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Add a common get_ram_size() function and modify the the

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board-specific files to invoke that common implementation.
This commit is contained in:
wdenk 2004-01-06 22:38:14 +00:00
parent b299e41a0d
commit c83bf6a2d0
54 changed files with 1848 additions and 3374 deletions
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7
CHANGELOG
View file

@ -1,3 +1,10 @@
======================================================================
Changes since U-Boot 1.0.1:
======================================================================
* Add a common get_ram_size() function and modify the the
board-specific files to invoke that common implementation.
====================================================================== ======================================================================
Changes for U-Boot 1.0.1: Changes for U-Boot 1.0.1:
====================================================================== ======================================================================

475
board/LEOX/elpt860/elpt860.c
View file

@ -53,89 +53,87 @@ static long int dram_size (long int, long int *, long int);
#define _NOT_USED_ 0xFFFFFFFF #define _NOT_USED_ 0xFFFFFFFF
const uint init_sdram_table[] = const uint init_sdram_table[] = {
{ /*
/* * Single Read. (Offset 0 in UPMA RAM)
* Single Read. (Offset 0 in UPMA RAM) */
*/ 0x0FFCCC04, 0xFFFFFC04, 0x0FFC3C04, 0xFFFFFC04,
0x0FFCCC04, 0xFFFFFC04, 0x0FFC3C04, 0xFFFFFC04, 0xFFFFFC04, /* last */
0xFFFFFC04, /* last */ /*
/* * SDRAM Initialization (offset 5 in UPMA RAM)
* SDRAM Initialization (offset 5 in UPMA RAM) *
* * This is no UPM entry point. The following definition uses
* This is no UPM entry point. The following definition uses * the remaining space to establish an initialization
* the remaining space to establish an initialization * sequence, which is executed by a RUN command.
* sequence, which is executed by a RUN command. *
* */
*/ 0xFFFFFC04, 0xFFFFFC04, 0x0FFC3C04, /* last */
0xFFFFFC04, 0xFFFFFC04, 0x0FFC3C04, /* last */ /*
/* * Burst Read. (Offset 8 in UPMA RAM)
* Burst Read. (Offset 8 in UPMA RAM) */
*/ 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04,
0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04, 0x0FFC3C04, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04,
0x0FFC3C04, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04, 0x0FFC3C04, 0xFFFFFC04, 0xFFFFFC04,
0xFFFFFC04, 0x0FFC3C04, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04, 0x0FFC3C04, 0xFFFFFC04, /* last */
0xFFFFFC04, 0xFFFFFC04, 0x0FFC3C04, 0xFFFFFC04, /* last */ /*
/* * Single Write. (Offset 18 in UPMA RAM)
* Single Write. (Offset 18 in UPMA RAM) */
*/ 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04, 0x0FFC3C04,
0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04, 0x0FFC3C04, 0xFFFFFC04, 0xFFFFFC04, 0x0FFFFC04, 0xFFFFFC04, /* last */
0xFFFFFC04, 0xFFFFFC04, 0x0FFFFC04, 0xFFFFFC04, /* last */ /*
/* * Burst Write. (Offset 20 in UPMA RAM)
* Burst Write. (Offset 20 in UPMA RAM) */
*/ 0x0FFC3C04, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04,
0x0FFC3C04, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04, 0x0FFC3C04, 0xFFFFFC04, 0xFFFFFC04,
0xFFFFFC04, 0x0FFC3C04, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC34, 0x0FAC0C34,
0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC34, 0x0FAC0C34, 0xFFFFFC05, 0xFFFFFC04, 0x0FFCFC04, 0xFFFFFC05, /* last */
0xFFFFFC05, 0xFFFFFC04, 0x0FFCFC04, 0xFFFFFC05, /* last */
}; };
const uint sdram_table[] = const uint sdram_table[] = {
{ /*
/* * Single Read. (Offset 0 in UPMA RAM)
* Single Read. (Offset 0 in UPMA RAM) */
*/ 0x0F0FFC24, 0x0F0CFC04, 0xFF0FFC04, 0x00AF3C04,
0x0F0FFC24, 0x0F0CFC04, 0xFF0FFC04, 0x00AF3C04, 0xFF0FFC00, /* last */
0xFF0FFC00, /* last */ /*
/* * SDRAM Initialization (offset 5 in UPMA RAM)
* SDRAM Initialization (offset 5 in UPMA RAM) *
* * This is no UPM entry point. The following definition uses
* This is no UPM entry point. The following definition uses * the remaining space to establish an initialization
* the remaining space to establish an initialization * sequence, which is executed by a RUN command.
* sequence, which is executed by a RUN command. *
* */
*/ 0x0FFCCC04, 0xFFAFFC05, 0xFFAFFC05, /* last */
0x0FFCCC04, 0xFFAFFC05, 0xFFAFFC05, /* last */ /*
/* * Burst Read. (Offset 8 in UPMA RAM)
* Burst Read. (Offset 8 in UPMA RAM) */
*/ 0x0F0FFC24, 0x0F0CFC04, 0xFF0FFC04, 0x00AF3C04,
0x0F0FFC24, 0x0F0CFC04, 0xFF0FFC04, 0x00AF3C04, 0xF00FFC00, 0xF00FFC00, 0xF00FFC00, 0xFF0FFC00,
0xF00FFC00, 0xF00FFC00, 0xF00FFC00, 0xFF0FFC00, 0x0FFCCC04, 0xFFAFFC05, 0xFFAFFC04, 0xFFAFFC04,
0x0FFCCC04, 0xFFAFFC05, 0xFFAFFC04, 0xFFAFFC04, 0xFFAFFC04, 0xFFAFFC04, 0xFFAFFC04, 0xFFAFFC04, /* last */
0xFFAFFC04, 0xFFAFFC04, 0xFFAFFC04, 0xFFAFFC04, /* last */ /*
/* * Single Write. (Offset 18 in UPMA RAM)
* Single Write. (Offset 18 in UPMA RAM) */
*/ 0x0F0FFC24, 0x0F0CFC04, 0xFF0FFC04, 0x00AF0C00,
0x0F0FFC24, 0x0F0CFC04, 0xFF0FFC04, 0x00AF0C00, 0xFF0FFC04, 0x0FFCCC04, 0xFFAFFC05, /* last */
0xFF0FFC04, 0x0FFCCC04, 0xFFAFFC05, /* last */ _NOT_USED_,
_NOT_USED_, /*
/* * Burst Write. (Offset 20 in UPMA RAM)
* Burst Write. (Offset 20 in UPMA RAM) */
*/ 0x0F0FFC24, 0x0F0CFC04, 0xFF0FFC00, 0x00AF0C00,
0x0F0FFC24, 0x0F0CFC04, 0xFF0FFC00, 0x00AF0C00, 0xF00FFC00, 0xF00FFC00, 0xF00FFC04, 0x0FFCCC04,
0xF00FFC00, 0xF00FFC00, 0xF00FFC04, 0x0FFCCC04, 0xFFAFFC04, 0xFFAFFC05, 0xFFAFFC04, 0xFFAFFC04,
0xFFAFFC04, 0xFFAFFC05, 0xFFAFFC04, 0xFFAFFC04, 0xFFAFFC04, 0xFFAFFC04, 0xFFAFFC04, 0xFFAFFC04, /* last */
0xFFAFFC04, 0xFFAFFC04, 0xFFAFFC04, 0xFFAFFC04, /* last */ /*
/* * Refresh (Offset 30 in UPMA RAM)
* Refresh (Offset 30 in UPMA RAM) */
*/ 0x0FFC3C04, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04,
0x0FFC3C04, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC05, 0xFFFFFC04, 0xFFFFFC05, _NOT_USED_,
0xFFFFFC05, 0xFFFFFC04, 0xFFFFFC05, _NOT_USED_, 0xFFAFFC04, 0xFFAFFC04, 0xFFAFFC04, 0xFFAFFC04, /* last */
0xFFAFFC04, 0xFFAFFC04, 0xFFAFFC04, 0xFFAFFC04, /* last */ /*
/* * Exception. (Offset 3c in UPMA RAM)
* Exception. (Offset 3c in UPMA RAM) */
*/ 0x0FFFFC34, 0x0FAC0C34, 0xFFFFFC05, 0xFFAFFC04, /* last */
0x0FFFFC34, 0x0FAC0C34, 0xFFFFFC05, 0xFFAFFC04, /* last */
}; };
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */
@ -147,19 +145,18 @@ const uint sdram_table[] =
/* /*
* Very early board init code (fpga boot, etc.) * Very early board init code (fpga boot, etc.)
*/ */
int int board_pre_init (void)
board_pre_init (void)
{ {
volatile immap_t *immr = (immap_t *) CFG_IMMR; volatile immap_t *immr = (immap_t *) CFG_IMMR;
/* /*
* Light up the red led on ELPT860 pcb (DS1) (PCDAT) * Light up the red led on ELPT860 pcb (DS1) (PCDAT)
*/ */
immr->im_ioport.iop_pcdat &= ~CFG_DS1; /* PCDAT (DS1 = 0) */ immr->im_ioport.iop_pcdat &= ~CFG_DS1; /* PCDAT (DS1 = 0) */
immr->im_ioport.iop_pcpar &= ~CFG_DS1; /* PCPAR (0=general purpose I/O) */ immr->im_ioport.iop_pcpar &= ~CFG_DS1; /* PCPAR (0=general purpose I/O) */
immr->im_ioport.iop_pcdir |= CFG_DS1; /* PCDIR (I/O: 0=input, 1=output) */ immr->im_ioport.iop_pcdir |= CFG_DS1; /* PCDIR (I/O: 0=input, 1=output) */
return ( 0 ); /* success */ return (0); /* success */
} }
/* /*
@ -170,150 +167,143 @@ board_pre_init (void)
* Return 1 if no second DRAM bank, otherwise returns 0 * Return 1 if no second DRAM bank, otherwise returns 0
*/ */
int int checkboard (void)
checkboard (void)
{ {
unsigned char *s = getenv("serial#"); unsigned char *s = getenv ("serial#");
if ( !s || strncmp(s, "ELPT860", 7) ) if (!s || strncmp (s, "ELPT860", 7))
printf ("### No HW ID - assuming ELPT860\n"); printf ("### No HW ID - assuming ELPT860\n");
return ( 0 ); /* success */ return (0); /* success */
} }
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */
long int long int initdram (int board_type)
initdram (int board_type)
{ {
volatile immap_t *immap = (immap_t *)CFG_IMMR; volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl; volatile memctl8xx_t *memctl = &immap->im_memctl;
long int size8, size9; long int size8, size9;
long int size_b0 = 0; long int size_b0 = 0;
/* /*
* This sequence initializes SDRAM chips on ELPT860 board * This sequence initializes SDRAM chips on ELPT860 board
*/ */
upmconfig(UPMA, (uint *)init_sdram_table, upmconfig (UPMA, (uint *) init_sdram_table,
sizeof(init_sdram_table)/sizeof(uint)); sizeof (init_sdram_table) / sizeof (uint));
memctl->memc_mptpr = 0x0200; memctl->memc_mptpr = 0x0200;
memctl->memc_mamr = 0x18002111; memctl->memc_mamr = 0x18002111;
memctl->memc_mar = 0x00000088; memctl->memc_mar = 0x00000088;
memctl->memc_mcr = 0x80002000; /* CS1: SDRAM bank 0 */ memctl->memc_mcr = 0x80002000; /* CS1: SDRAM bank 0 */
upmconfig(UPMA, (uint *)sdram_table, upmconfig (UPMA, (uint *) sdram_table,
sizeof(sdram_table)/sizeof(uint)); sizeof (sdram_table) / sizeof (uint));
/* /*
* Preliminary prescaler for refresh (depends on number of * Preliminary prescaler for refresh (depends on number of
* banks): This value is selected for four cycles every 62.4 us * banks): This value is selected for four cycles every 62.4 us
* with two SDRAM banks or four cycles every 31.2 us with one * with two SDRAM banks or four cycles every 31.2 us with one
* bank. It will be adjusted after memory sizing. * bank. It will be adjusted after memory sizing.
*/ */
memctl->memc_mptpr = CFG_MPTPR_2BK_8K; memctl->memc_mptpr = CFG_MPTPR_2BK_8K;
/* /*
* The following value is used as an address (i.e. opcode) for * The following value is used as an address (i.e. opcode) for
* the LOAD MODE REGISTER COMMAND during SDRAM initialisation. If * the LOAD MODE REGISTER COMMAND during SDRAM initialisation. If
* the port size is 32bit the SDRAM does NOT "see" the lower two * the port size is 32bit the SDRAM does NOT "see" the lower two
* address lines, i.e. mar=0x00000088 -> opcode=0x00000022 for * address lines, i.e. mar=0x00000088 -> opcode=0x00000022 for
* MICRON SDRAMs: * MICRON SDRAMs:
* -> 0 00 010 0 010 * -> 0 00 010 0 010
* | | | | +- Burst Length = 4 * | | | | +- Burst Length = 4
* | | | +----- Burst Type = Sequential * | | | +----- Burst Type = Sequential
* | | +------- CAS Latency = 2 * | | +------- CAS Latency = 2
* | +----------- Operating Mode = Standard * | +----------- Operating Mode = Standard
* +-------------- Write Burst Mode = Programmed Burst Length * +-------------- Write Burst Mode = Programmed Burst Length
*/ */
memctl->memc_mar = 0x00000088; memctl->memc_mar = 0x00000088;
/* /*
* Map controller banks 2 and 3 to the SDRAM banks 2 and 3 at * Map controller banks 2 and 3 to the SDRAM banks 2 and 3 at
* preliminary addresses - these have to be modified after the * preliminary addresses - these have to be modified after the
* SDRAM size has been determined. * SDRAM size has been determined.
*/ */
memctl->memc_or1 = CFG_OR1_PRELIM; memctl->memc_or1 = CFG_OR1_PRELIM;
memctl->memc_br1 = CFG_BR1_PRELIM; memctl->memc_br1 = CFG_BR1_PRELIM;
memctl->memc_mamr = CFG_MAMR_8COL & (~(MAMR_PTAE)); /* no refresh yet */ memctl->memc_mamr = CFG_MAMR_8COL & (~(MAMR_PTAE)); /* no refresh yet */
udelay (200); udelay (200);
/* perform SDRAM initializsation sequence */ /* perform SDRAM initializsation sequence */
memctl->memc_mcr = 0x80002105; /* CS1: SDRAM bank 0 */ memctl->memc_mcr = 0x80002105; /* CS1: SDRAM bank 0 */
udelay (1); udelay (1);
memctl->memc_mcr = 0x80002230; /* CS1: SDRAM bank 0 - execute twice */ memctl->memc_mcr = 0x80002230; /* CS1: SDRAM bank 0 - execute twice */
udelay (1); udelay (1);
memctl->memc_mamr |= MAMR_PTAE; /* enable refresh */ memctl->memc_mamr |= MAMR_PTAE; /* enable refresh */
udelay (1000);
/*
* Check Bank 0 Memory Size for re-configuration
*
* try 8 column mode
*/
size8 = dram_size (CFG_MAMR_8COL,
(ulong *) SDRAM_BASE1_PRELIM,
SDRAM_MAX_SIZE);
udelay (1000);
/*
* try 9 column mode
*/
size9 = dram_size (CFG_MAMR_9COL,
(ulong *) SDRAM_BASE1_PRELIM,
SDRAM_MAX_SIZE);
if ( size8 < size9 ) /* leave configuration at 9 columns */
{
size_b0 = size9;
/* debug ("SDRAM Bank 0 in 9 column mode: %ld MB\n", size >> 20); */
}
else /* back to 8 columns */
{
size_b0 = size8;
memctl->memc_mamr = CFG_MAMR_8COL;
udelay (500);
/* debug ("SDRAM Bank 0 in 8 column mode: %ld MB\n", size >> 20); */
}
udelay (1000);
/*
* Adjust refresh rate depending on SDRAM type, both banks
* For types > 128 MBit leave it at the current (fast) rate
*/
if ( size_b0 < 0x02000000 )
{
/* reduce to 15.6 us (62.4 us / quad) */
memctl->memc_mptpr = CFG_MPTPR_2BK_4K;
udelay (1000); udelay (1000);
}
/* /*
* Final mapping: map bigger bank first * Check Bank 0 Memory Size for re-configuration
*/ *
memctl->memc_or1 = ((-size_b0) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM; * try 8 column mode
memctl->memc_br1 = (CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V; */
size8 = dram_size (CFG_MAMR_8COL,
(ulong *) SDRAM_BASE1_PRELIM, SDRAM_MAX_SIZE);
{ udelay (1000);
unsigned long reg;
/* adjust refresh rate depending on SDRAM type, one bank */ /*
reg = memctl->memc_mptpr; * try 9 column mode
reg >>= 1; /* reduce to CFG_MPTPR_1BK_8K / _4K */ */
memctl->memc_mptpr = reg; size9 = dram_size (CFG_MAMR_9COL,
} (ulong *) SDRAM_BASE1_PRELIM, SDRAM_MAX_SIZE);
udelay(10000); if (size8 < size9) { /* leave configuration at 9 columns */
size_b0 = size9;
/* debug ("SDRAM Bank 0 in 9 column mode: %ld MB\n", size >> 20); */
} else { /* back to 8 columns */
return (size_b0); size_b0 = size8;
memctl->memc_mamr = CFG_MAMR_8COL;
udelay (500);
/* debug ("SDRAM Bank 0 in 8 column mode: %ld MB\n", size >> 20); */
}
udelay (1000);
/*
* Adjust refresh rate depending on SDRAM type, both banks
* For types > 128 MBit leave it at the current (fast) rate
*/
if (size_b0 < 0x02000000) {
/* reduce to 15.6 us (62.4 us / quad) */
memctl->memc_mptpr = CFG_MPTPR_2BK_4K;
udelay (1000);
}
/*
* Final mapping: map bigger bank first
*/
memctl->memc_or1 = ((-size_b0) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM;
memctl->memc_br1 = (CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V;
{
unsigned long reg;
/* adjust refresh rate depending on SDRAM type, one bank */
reg = memctl->memc_mptpr;
reg >>= 1; /* reduce to CFG_MPTPR_1BK_8K / _4K */
memctl->memc_mptpr = reg;
}
udelay (10000);
return (size_b0);
} }
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */
@ -327,54 +317,14 @@ initdram (int board_type)
*/ */
static long int static long int
dram_size (long int mamr_value, dram_size (long int mamr_value, long int *base, long int maxsize)
long int *base,
long int maxsize)
{ {
volatile immap_t *immap = (immap_t *)CFG_IMMR; volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl; volatile memctl8xx_t *memctl = &immap->im_memctl;
volatile long int *addr;
ulong cnt, val;
ulong save[32]; /* to make test non-destructive */
unsigned char i = 0;
memctl->memc_mamr = mamr_value; memctl->memc_mamr = mamr_value;
for (cnt = maxsize/sizeof(long); cnt > 0; cnt >>= 1) return (get_ram_size (base, maxsize));
{
addr = base + cnt; /* pointer arith! */
save[i++] = *addr;
*addr = ~cnt;
}
/* write 0 to base address */
addr = base;
save[i] = *addr;
*addr = 0;
/* check at base address */
if ( (val = *addr) != 0 )
{
*addr = save[i];
return (0);
}
for (cnt = 1; cnt <= maxsize/sizeof(long); cnt <<= 1)
{
addr = base + cnt; /* pointer arith! */
val = *addr;
*addr = save[--i];
if ( val != (~cnt) )
{
return (cnt * sizeof(long));
}
}
return (maxsize);
} }
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */
@ -384,16 +334,15 @@ dram_size (long int mamr_value,
#define CFG_LBKs (CFG_PA2 | CFG_PA1) #define CFG_LBKs (CFG_PA2 | CFG_PA1)
void void reset_phy (void)
reset_phy (void)
{ {
volatile immap_t *immr = (immap_t *) CFG_IMMR; volatile immap_t *immr = (immap_t *) CFG_IMMR;
/* /*
* Ensure LBK LXT901 ethernet 1 & 2 = 0 ... for normal loopback in effect * Ensure LBK LXT901 ethernet 1 & 2 = 0 ... for normal loopback in effect
* and no AUI loopback * and no AUI loopback
*/ */
immr->im_ioport.iop_padat &= ~CFG_LBKs; /* PADAT (LBK eth 1&2 = 0) */ immr->im_ioport.iop_padat &= ~CFG_LBKs; /* PADAT (LBK eth 1&2 = 0) */
immr->im_ioport.iop_papar &= ~CFG_LBKs; /* PAPAR (0=general purpose I/O) */ immr->im_ioport.iop_papar &= ~CFG_LBKs; /* PAPAR (0=general purpose I/O) */
immr->im_ioport.iop_padir |= CFG_LBKs; /* PADIR (I/O: 0=input, 1=output) */ immr->im_ioport.iop_padir |= CFG_LBKs; /* PADIR (I/O: 0=input, 1=output) */
} }

34
board/RPXClassic/RPXClassic.c
View file

@ -220,42 +220,10 @@ static long int dram_size (long int mamr_value, long int *base, long int maxsize
{ {
volatile immap_t *immap = (immap_t *) CFG_IMMR; volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl; volatile memctl8xx_t *memctl = &immap->im_memctl;
volatile long int *addr;
ulong cnt, val;
ulong save[32]; /* to make test non-destructive */
unsigned char i = 0;
memctl->memc_mamr = mamr_value; memctl->memc_mamr = mamr_value;
for (cnt = maxsize / sizeof (long); cnt > 0; cnt >>= 1) { return (get_ram_size(base, maxsize));
addr = base + cnt; /* pointer arith! */
save[i++] = *addr;
*addr = ~cnt;
}
/* write 0 to base address */
addr = base;
save[i] = *addr;
*addr = 0;
/* check at base address */
if ((val = *addr) != 0) {
*addr = save[i];
return (0);
}
for (cnt = 1; cnt <= maxsize / sizeof (long); cnt <<= 1) {
addr = base + cnt; /* pointer arith! */
val = *addr;
*addr = save[--i];
if (val != (~cnt)) {
return (cnt * sizeof (long));
}
}
return (maxsize);
} }
/*----------------------------------------------------------------------------- /*-----------------------------------------------------------------------------
* aschex_to_byte -- * aschex_to_byte --

96
board/RPXlite/RPXlite.c
View file

@ -40,20 +40,19 @@ static long int dram_size (long int, long int *, long int);
#define _NOT_USED_ 0xFFFFCC25 #define _NOT_USED_ 0xFFFFCC25
const uint sdram_table[] = const uint sdram_table[] = {
{
/* /*
* Single Read. (Offset 00h in UPMA RAM) * Single Read. (Offset 00h in UPMA RAM)
*/ */
0xCFFFCC24, 0x0FFFCC04, 0X0CAFCC04, 0X03AFCC08, 0xCFFFCC24, 0x0FFFCC04, 0X0CAFCC04, 0X03AFCC08,
0x3FBFCC27, /* last */ 0x3FBFCC27, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* /*
* Burst Read. (Offset 08h in UPMA RAM) * Burst Read. (Offset 08h in UPMA RAM)
*/ */
0xCFFFCC24, 0x0FFFCC04, 0x0CAFCC84, 0x03AFCC88, 0xCFFFCC24, 0x0FFFCC04, 0x0CAFCC84, 0x03AFCC88,
0x3FBFCC27, /* last */ 0x3FBFCC27, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
@ -62,14 +61,14 @@ const uint sdram_table[] =
* Single Write. (Offset 18h in UPMA RAM) * Single Write. (Offset 18h in UPMA RAM)
*/ */
0xCFFFCC24, 0x0FFFCC04, 0x0CFFCC04, 0x03FFCC00, 0xCFFFCC24, 0x0FFFCC04, 0x0CFFCC04, 0x03FFCC00,
0x3FFFCC27, /* last */ 0x3FFFCC27, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* /*
* Burst Write. (Offset 20h in UPMA RAM) * Burst Write. (Offset 20h in UPMA RAM)
*/ */
0xCFFFCC24, 0x0FFFCC04, 0x0CFFCC80, 0x03FFCC8C, 0xCFFFCC24, 0x0FFFCC04, 0x0CFFCC80, 0x03FFCC8C,
0x0CFFCC00, 0x33FFCC27, /* last */ 0x0CFFCC00, 0x33FFCC27, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
@ -78,7 +77,7 @@ const uint sdram_table[] =
* Refresh. (Offset 30h in UPMA RAM) * Refresh. (Offset 30h in UPMA RAM)
*/ */
0xC0FFCC24, 0x03FFCC24, 0x0FFFCC24, 0x0FFFCC24, 0xC0FFCC24, 0x03FFCC24, 0x0FFFCC24, 0x0FFFCC24,
0x3FFFCC27, /* last */ 0x3FFFCC27, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
@ -97,49 +96,51 @@ const uint sdram_table[] =
int checkboard (void) int checkboard (void)
{ {
puts ("Board: RPXlite\n") ; puts ("Board: RPXlite\n");
return (0) ; return (0);
} }
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */
long int initdram (int board_type) long int initdram (int board_type)
{ {
volatile immap_t *immap = (immap_t *)CFG_IMMR; volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl; volatile memctl8xx_t *memctl = &immap->im_memctl;
long int size10 ; long int size10;
upmconfig(UPMA, (uint *)sdram_table, sizeof(sdram_table)/sizeof(uint)); upmconfig (UPMA, (uint *) sdram_table,
sizeof (sdram_table) / sizeof (uint));
/* Refresh clock prescalar */ /* Refresh clock prescalar */
memctl->memc_mptpr = CFG_MPTPR ; memctl->memc_mptpr = CFG_MPTPR;
memctl->memc_mar = 0x00000000; memctl->memc_mar = 0x00000000;
/* Map controller banks 1 to the SDRAM bank */ /* Map controller banks 1 to the SDRAM bank */
memctl->memc_or1 = CFG_OR1_PRELIM; memctl->memc_or1 = CFG_OR1_PRELIM;
memctl->memc_br1 = CFG_BR1_PRELIM; memctl->memc_br1 = CFG_BR1_PRELIM;
memctl->memc_mamr = CFG_MAMR_10COL & (~(MAMR_PTAE)); /* no refresh yet */ memctl->memc_mamr = CFG_MAMR_10COL & (~(MAMR_PTAE)); /* no refresh yet */
udelay(200); udelay (200);
/* perform SDRAM initializsation sequence */ /* perform SDRAM initializsation sequence */
memctl->memc_mcr = 0x80002230 ; /* SDRAM bank 0 - refresh twice */ memctl->memc_mcr = 0x80002230; /* SDRAM bank 0 - refresh twice */
udelay(1); udelay (1);
memctl->memc_mamr |= MAMR_PTAE; /* enable refresh */ memctl->memc_mamr |= MAMR_PTAE; /* enable refresh */
udelay (1000); udelay (1000);
/* Check Bank 0 Memory Size /* Check Bank 0 Memory Size
* try 10 column mode * try 10 column mode
*/ */
size10 = dram_size (CFG_MAMR_10COL, (ulong *)SDRAM_BASE_PRELIM, SDRAM_MAX_SIZE) ; size10 = dram_size (CFG_MAMR_10COL, (ulong *) SDRAM_BASE_PRELIM,
SDRAM_MAX_SIZE);
return (size10); return (size10);
} }
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */
@ -152,44 +153,13 @@ long int initdram (int board_type)
* - short between data lines * - short between data lines
*/ */
static long int dram_size (long int mamr_value, long int *base, long int maxsize) static long int dram_size (long int mamr_value, long int *base,
long int maxsize)
{ {
volatile immap_t *immap = (immap_t *)CFG_IMMR; volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl; volatile memctl8xx_t *memctl = &immap->im_memctl;
volatile long int *addr;
ulong cnt, val;
ulong save[32]; /* to make test non-destructive */
unsigned char i = 0;
memctl->memc_mamr = mamr_value; memctl->memc_mamr = mamr_value;
for (cnt = maxsize/sizeof(long); cnt > 0; cnt >>= 1) { return (get_ram_size (base, maxsize));
addr = base + cnt; /* pointer arith! */
save[i++] = *addr;
*addr = ~cnt;
}
/* write 0 to base address */
addr = base;
save[i] = *addr;
*addr = 0;
/* check at base address */
if ((val = *addr) != 0) {
*addr = save[i];
return (0);
}
for (cnt = 1; cnt <= maxsize/sizeof(long); cnt <<= 1) {
addr = base + cnt; /* pointer arith! */
val = *addr;
*addr = save[--i];
if (val != (~cnt)) {
return (cnt * sizeof(long));
}
}
return (maxsize);
} }

47
board/RRvision/RRvision.c
View file

@ -229,53 +229,8 @@ static long int dram_size (long int mamr_value, long int *base,
{ {
volatile immap_t *immap = (immap_t *) CFG_IMMR; volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl; volatile memctl8xx_t *memctl = &immap->im_memctl;
volatile long int *addr;
ulong cnt, val, size;
ulong save[32]; /* to make test non-destructive */
unsigned char i = 0;
memctl->memc_mamr = mamr_value; memctl->memc_mamr = mamr_value;
for (cnt = maxsize / sizeof (long); cnt > 0; cnt >>= 1) { return (get_ram_size(base, maxsize));
addr = base + cnt; /* pointer arith! */
save[i++] = *addr;
*addr = ~cnt;
}
/* write 0 to base address */
addr = base;
save[i] = *addr;
*addr = 0;
/* check at base address */
if ((val = *addr) != 0) {
/* Restore the original data before leaving the function.
*/
*addr = save[i];
for (cnt = 1; cnt <= maxsize / sizeof(long); cnt <<= 1) {
addr = (volatile ulong *) base + cnt;
*addr = save[--i];
}
return (0);
}
for (cnt = 1; cnt <= maxsize / sizeof (long); cnt <<= 1) {
addr = base + cnt; /* pointer arith! */
val = *addr;
*addr = save[--i];
if (val != (~cnt)) {
size = cnt * sizeof (long);
/* Restore the original data before returning
*/
for (cnt <<= 1; cnt <= maxsize / sizeof (long); cnt <<= 1) {
addr = (volatile ulong *) base + cnt;
*addr = save[--i];
}
return (size);
}
}
return (maxsize);
} }

56
board/a3000/a3000.c
View file

@ -40,50 +40,24 @@ int checkboard (void)
long int initdram (int board_type) long int initdram (int board_type)
{ {
int i, cnt; long size;
volatile uchar * base= CFG_SDRAM_BASE; long new_bank0_end;
volatile ulong * addr; long mear1;
ulong save[32]; long emear1;
ulong val, ret = 0;
for (i=0, cnt=(CFG_MAX_RAM_SIZE / sizeof(long)) >> 1; cnt > 0; cnt >>= 1) { size = get_ram_size(CFG_SDRAM_BASE, CFG_MAX_RAM_SIZE);
addr = (volatile ulong *)base + cnt;
save[i++] = *addr;
*addr = ~cnt;
}
addr = (volatile ulong *)base; new_bank0_end = size - 1;
save[i] = *addr; mear1 = mpc824x_mpc107_getreg(MEAR1);
*addr = 0; emear1 = mpc824x_mpc107_getreg(EMEAR1);
mear1 = (mear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT);
emear1 = (emear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT);
mpc824x_mpc107_setreg(MEAR1, mear1);
mpc824x_mpc107_setreg(EMEAR1, emear1);
if (*addr != 0) { return (size);
*addr = save[i];
goto Done;
}
for (cnt = 1; cnt <= CFG_MAX_RAM_SIZE / sizeof(long); cnt <<= 1) {
addr = (volatile ulong *)base + cnt;
val = *addr;
*addr = save[--i];
if (val != ~cnt) {
ulong new_bank0_end = cnt * sizeof(long) - 1;
ulong mear1 = mpc824x_mpc107_getreg(MEAR1);
ulong emear1 = mpc824x_mpc107_getreg(EMEAR1);
mear1 = (mear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT);
emear1 = (emear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT);
mpc824x_mpc107_setreg(MEAR1, mear1);
mpc824x_mpc107_setreg(EMEAR1, emear1);
ret = cnt * sizeof(long);
goto Done;
}
}
ret = CFG_MAX_RAM_SIZE;
Done:
return ret;
} }
/* /*

54
board/atc/atc.c
View file

@ -269,13 +269,10 @@ static long int try_init (volatile memctl8260_t * memctl, ulong sdmr,
ulong orx, volatile uchar * base) ulong orx, volatile uchar * base)
{ {
volatile uchar c = 0xff; volatile uchar c = 0xff;
ulong cnt, val, size;
volatile ulong *addr;
volatile uint *sdmr_ptr; volatile uint *sdmr_ptr;
volatile uint *orx_ptr; volatile uint *orx_ptr;
ulong maxsize, size;
int i; int i;
ulong save[32]; /* to make test non-destructive */
ulong maxsize;
/* We must be able to test a location outsize the maximum legal size /* We must be able to test a location outsize the maximum legal size
* to find out THAT we are outside; but this address still has to be * to find out THAT we are outside; but this address still has to be
@ -325,54 +322,11 @@ static long int try_init (volatile memctl8260_t * memctl, ulong sdmr,
*sdmr_ptr = sdmr | PSDMR_OP_NORM | PSDMR_RFEN; *sdmr_ptr = sdmr | PSDMR_OP_NORM | PSDMR_RFEN;
*base = c; *base = c;
/* size = get_ram_size((long *)base, maxsize);
* Check memory range for valid RAM. A simple memory test determines
* the actually available RAM size between addresses `base' and
* `base + maxsize'. Some (not all) hardware errors are detected:
* - short between address lines
* - short between data lines
*/
i = 0;
for (cnt = maxsize / sizeof (long); cnt > 0; cnt >>= 1) {
addr = (volatile ulong *) base + cnt; /* pointer arith! */
save[i++] = *addr;
*addr = ~cnt;
}
addr = (volatile ulong *) base; *orx_ptr = orx | ~(size - 1);
save[i] = *addr;
*addr = 0;
if ((val = *addr) != 0) { return (size);
/* Restore the original data before leaving the function.
*/
*addr = save[i];
for (cnt = 1; cnt <= maxsize / sizeof(long); cnt <<= 1) {
addr = (volatile ulong *) base + cnt;
*addr = save[--i];
}
return (0);
}
for (cnt = 1; cnt <= maxsize / sizeof (long); cnt <<= 1) {
addr = (volatile ulong *) base + cnt; /* pointer arith! */
val = *addr;
*addr = save[--i];
if (val != ~cnt) {
size = cnt * sizeof (long);
/* Restore the original data before returning
*/
for (cnt <<= 1; cnt <= maxsize / sizeof (long); cnt <<= 1) {
addr = (volatile ulong *) base + cnt;
*addr = save[--i];
}
/* Write the actual size to ORx
*/
*orx_ptr = orx | ~(size - 1);
return (size);
}
}
return (maxsize);
} }
int misc_init_r(void) int misc_init_r(void)

47
board/c2mon/c2mon.c
View file

@ -227,53 +227,8 @@ static long int dram_size (long int mamr_value, long int *base,
{ {
volatile immap_t *immap = (immap_t *) CFG_IMMR; volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl; volatile memctl8xx_t *memctl = &immap->im_memctl;
volatile long int *addr;
ulong cnt, val, size;
ulong save[32]; /* to make test non-destructive */
unsigned char i = 0;
memctl->memc_mamr = mamr_value; memctl->memc_mamr = mamr_value;
for (cnt = maxsize / sizeof (long); cnt > 0; cnt >>= 1) { return (get_ram_size(base, maxsize));
addr = base + cnt; /* pointer arith! */
save[i++] = *addr;
*addr = ~cnt;
}
/* write 0 to base address */
addr = base;
save[i] = *addr;
*addr = 0;
/* check at base address */
if ((val = *addr) != 0) {
/* Restore the original data before leaving the function.
*/
*addr = save[i];
for (cnt = 1; cnt <= maxsize / sizeof(long); cnt <<= 1) {
addr = (volatile ulong *) base + cnt;
*addr = save[--i];
}
return (0);
}
for (cnt = 1; cnt <= maxsize / sizeof (long); cnt <<= 1) {
addr = base + cnt; /* pointer arith! */
val = *addr;
*addr = save[--i];
if (val != (~cnt)) {
size = cnt * sizeof (long);
/* Restore the original data before returning
*/
for (cnt <<= 1; cnt <= maxsize / sizeof (long); cnt <<= 1) {
addr = (volatile ulong *) base + cnt;
*addr = save[--i];
}
return (size);
}
}
return (maxsize);
} }

57
board/cpc45/cpc45.c
View file

@ -60,51 +60,24 @@ int checkboard(void)
long int initdram(int board_type) long int initdram(int board_type)
{ {
int i, cnt; long size;
volatile uchar * base = CFG_SDRAM_BASE; long new_bank0_end;
volatile ulong * addr; long mear1;
ulong save[32]; long emear1;
ulong val, ret = 0;
for (i=0, cnt=(CFG_MAX_RAM_SIZE / sizeof(long)) >> 1; cnt > 0; cnt >>= 1) { size = get_ram_size(CFG_SDRAM_BASE, CFG_MAX_RAM_SIZE);
addr = (volatile ulong *)base + cnt; new_bank0_end = size - 1;
save[i++] = *addr; mear1 = mpc824x_mpc107_getreg(MEAR1);
*addr = ~cnt; emear1 = mpc824x_mpc107_getreg(EMEAR1);
} mear1 = (mear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT);
emear1 = (emear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT);
mpc824x_mpc107_setreg(MEAR1, mear1);
mpc824x_mpc107_setreg(EMEAR1, emear1);
addr = (volatile ulong *)base; return (size);
save[i] = *addr;
*addr = 0;
if (*addr != 0) {
*addr = save[i];
goto Done;
}
for (cnt = 1; cnt <= CFG_MAX_RAM_SIZE / sizeof(long); cnt <<= 1) {
addr = (volatile ulong *)base + cnt;
val = *addr;
*addr = save[--i];
if (val != ~cnt) {
ulong new_bank0_end = cnt * sizeof(long) - 1;
ulong mear1 = mpc824x_mpc107_getreg(MEAR1);
ulong emear1 = mpc824x_mpc107_getreg(EMEAR1);
mear1 = (mear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT);
emear1 = (emear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT);
mpc824x_mpc107_setreg(MEAR1, mear1);
mpc824x_mpc107_setreg(EMEAR1, emear1);
ret = cnt * sizeof(long);
goto Done;
}
}
ret = CFG_MAX_RAM_SIZE;
Done:
return ret;
} }
/* /*

41
board/cpu86/cpu86.c
View file

@ -213,13 +213,10 @@ static long int try_init (volatile memctl8260_t * memctl, ulong sdmr,
ulong orx, volatile uchar * base) ulong orx, volatile uchar * base)
{ {
volatile uchar c = 0xff; volatile uchar c = 0xff;
ulong cnt, val;
volatile ulong *addr;
volatile uint *sdmr_ptr; volatile uint *sdmr_ptr;
volatile uint *orx_ptr; volatile uint *orx_ptr;
ulong maxsize, size;
int i; int i;
ulong save[32]; /* to make test non-destructive */
ulong maxsize;
/* We must be able to test a location outsize the maximum legal size /* We must be able to test a location outsize the maximum legal size
* to find out THAT we are outside; but this address still has to be * to find out THAT we are outside; but this address still has to be
@ -269,41 +266,11 @@ static long int try_init (volatile memctl8260_t * memctl, ulong sdmr,
*sdmr_ptr = sdmr | PSDMR_OP_NORM | PSDMR_RFEN; *sdmr_ptr = sdmr | PSDMR_OP_NORM | PSDMR_RFEN;
*base = c; *base = c;
/* size = get_ram_size((long *)base, maxsize);
* Check memory range for valid RAM. A simple memory test determines
* the actually available RAM size between addresses `base' and
* `base + maxsize'. Some (not all) hardware errors are detected:
* - short between address lines
* - short between data lines
*/
i = 0;
for (cnt = maxsize / sizeof (long); cnt > 0; cnt >>= 1) {
addr = (volatile ulong *) base + cnt; /* pointer arith! */
save[i++] = *addr;
*addr = ~cnt;
}
addr = (volatile ulong *) base; *orx_ptr = orx | ~(size - 1);
save[i] = *addr;
*addr = 0;
if ((val = *addr) != 0) { return (size);
*addr = save[i];
return (0);
}
for (cnt = 1; cnt <= maxsize / sizeof (long); cnt <<= 1) {
addr = (volatile ulong *) base + cnt; /* pointer arith! */
val = *addr;
*addr = save[--i];
if (val != ~cnt) {
/* Write the actual size to ORx
*/
*orx_ptr = orx | ~(cnt * sizeof (long) - 1);
return (cnt * sizeof (long));
}
}
return (maxsize);
} }
long int initdram (int board_type) long int initdram (int board_type)

56
board/cu824/cu824.c
View file

@ -47,50 +47,24 @@ int checkboard (void)
long int initdram(int board_type) long int initdram(int board_type)
{ {
int i, cnt; long size;
volatile uchar * base = CFG_SDRAM_BASE; long new_bank0_end;
volatile ulong * addr; long mear1;
ulong save[32]; long emear1;
ulong val, ret = 0;
for (i=0, cnt=(CFG_MAX_RAM_SIZE / sizeof(long)) >> 1; cnt > 0; cnt >>= 1) { size = get_ram_size(CFG_SDRAM_BASE, CFG_MAX_RAM_SIZE);
addr = (volatile ulong *)base + cnt;
save[i++] = *addr;
*addr = ~cnt;
}
addr = (volatile ulong *)base; new_bank0_end = size - 1;
save[i] = *addr; mear1 = mpc824x_mpc107_getreg(MEAR1);
*addr = 0; emear1 = mpc824x_mpc107_getreg(EMEAR1);
mear1 = (mear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT);
emear1 = (emear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT);
mpc824x_mpc107_setreg(MEAR1, mear1);
mpc824x_mpc107_setreg(EMEAR1, emear1);
if (*addr != 0) { return (size);
*addr = save[i];
goto Done;
}
for (cnt = 1; cnt <= CFG_MAX_RAM_SIZE / sizeof(long); cnt <<= 1) {
addr = (volatile ulong *)base + cnt;
val = *addr;
*addr = save[--i];
if (val != ~cnt) {
ulong new_bank0_end = cnt * sizeof(long) - 1;
ulong mear1 = mpc824x_mpc107_getreg(MEAR1);
ulong emear1 = mpc824x_mpc107_getreg(EMEAR1);
mear1 = (mear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT);
emear1 = (emear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT);
mpc824x_mpc107_setreg(MEAR1, mear1);
mpc824x_mpc107_setreg(EMEAR1, emear1);
ret = cnt * sizeof(long);
goto Done;
}
}
ret = CFG_MAX_RAM_SIZE;
Done:
return ret;
} }
/* /*

325
board/esteem192e/esteem192e.c
View file

@ -30,20 +30,15 @@
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */
static long int dram_size ( long int *base, long int maxsize);
/* ------------------------------------------------------------------------- */
#define _NOT_USED_ 0xFFFFFFFF #define _NOT_USED_ 0xFFFFFFFF
const uint sdram_table[] = const uint sdram_table[] = {
{
/* /*
* Single Read. (Offset 0 in UPMA RAM) * Single Read. (Offset 0 in UPMA RAM)
* *
* active, NOP, read, precharge, NOP */ * active, NOP, read, precharge, NOP */
0x0F27CC04, 0x0EAECC04, 0x00B98C04, 0x00F74C00, 0x0F27CC04, 0x0EAECC04, 0x00B98C04, 0x00F74C00,
0x11FFCC05, /* last */ 0x11FFCC05, /* last */
/* /*
* SDRAM Initialization (offset 5 in UPMA RAM) * SDRAM Initialization (offset 5 in UPMA RAM)
* *
@ -52,42 +47,42 @@ const uint sdram_table[] =
* sequence, which is executed by a RUN command. * sequence, which is executed by a RUN command.
* NOP, Program * NOP, Program
*/ */
0x0F0A8C34, 0x1F354C37, /* last */ 0x0F0A8C34, 0x1F354C37, /* last */
_NOT_USED_, /* Not used */ _NOT_USED_, /* Not used */
/* /*
* Burst Read. (Offset 8 in UPMA RAM) * Burst Read. (Offset 8 in UPMA RAM)
* active, NOP, read, NOP, NOP, NOP, NOP, NOP */ * active, NOP, read, NOP, NOP, NOP, NOP, NOP */
0x0F37CC04, 0x0EFECC04, 0x00FDCC04, 0x00FFCC00, 0x0F37CC04, 0x0EFECC04, 0x00FDCC04, 0x00FFCC00,
0x00FFCC00, 0x01FFCC00, 0x0FFFCC00, 0x1FFFCC05, /* last */ 0x00FFCC00, 0x01FFCC00, 0x0FFFCC00, 0x1FFFCC05, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* /*
* Single Write. (Offset 18 in UPMA RAM) * Single Write. (Offset 18 in UPMA RAM)
* active, NOP, write, NOP, precharge, NOP */ * active, NOP, write, NOP, precharge, NOP */
0x0F27CC04, 0x0EAE8C00, 0x01BD4C04, 0x0FFB8C04, 0x0F27CC04, 0x0EAE8C00, 0x01BD4C04, 0x0FFB8C04,
0x0FF74C04, 0x1FFFCC05, /* last */ 0x0FF74C04, 0x1FFFCC05, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* /*
* Burst Write. (Offset 20 in UPMA RAM) * Burst Write. (Offset 20 in UPMA RAM)
* active, NOP, write, NOP, NOP, NOP, NOP, NOP */ * active, NOP, write, NOP, NOP, NOP, NOP, NOP */
0x0F37CC04, 0x0EFE8C00, 0x00FD4C00, 0x00FFCC00, 0x0F37CC04, 0x0EFE8C00, 0x00FD4C00, 0x00FFCC00,
0x00FFCC00, 0x01FFCC04, 0x0FFFCC04, 0x1FFFCC05, /* last */ 0x00FFCC00, 0x01FFCC04, 0x0FFFCC04, 0x1FFFCC05, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* /*
* Refresh (Offset 30 in UPMA RAM) * Refresh (Offset 30 in UPMA RAM)
* precharge, NOP, auto_ref, NOP, NOP, NOP */ * precharge, NOP, auto_ref, NOP, NOP, NOP */
0x0FF74C34, 0x0FFACCB4, 0x0FF5CC34, 0x0FFFCC34, 0x0FF74C34, 0x0FFACCB4, 0x0FF5CC34, 0x0FFFCC34,
0x0FFFCCB4, 0x1FFFCC35, /* last */ 0x0FFFCCB4, 0x1FFFCC35, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* /*
* Exception. (Offset 3c in UPMA RAM) * Exception. (Offset 3c in UPMA RAM)
*/ */
0x0FFB8C00, 0x1FF74C03, /* last */ 0x0FFB8C00, 0x1FF74C03, /* last */
_NOT_USED_, _NOT_USED_ _NOT_USED_, _NOT_USED_
}; };
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */
@ -99,8 +94,8 @@ const uint sdram_table[] =
int checkboard (void) int checkboard (void)
{ {
puts ("Board: Esteem 192E\n"); puts ("Board: Esteem 192E\n");
return(0); return (0);
} }
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */
@ -108,209 +103,141 @@ int checkboard (void)
long int initdram (int board_type) long int initdram (int board_type)
{ {
volatile immap_t *immap = (immap_t *)CFG_IMMR; volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl; volatile memctl8xx_t *memctl = &immap->im_memctl;
long int size_b0, size_b1; long int size_b0, size_b1;
/* /*
* Explain frequency of refresh here * Explain frequency of refresh here
*/ */
memctl->memc_mptpr = 0x0200; /* divide by 32 */ memctl->memc_mptpr = 0x0200; /* divide by 32 */
memctl->memc_mamr = 0x18003112; /*CFG_MAMR_8COL;*/ /* 0x18005112 TODO: explain here */ memctl->memc_mamr = 0x18003112; /*CFG_MAMR_8COL; *//* 0x18005112 TODO: explain here */
upmconfig(UPMA, (uint *)sdram_table, sizeof(sdram_table)/sizeof(uint)); upmconfig (UPMA, (uint *) sdram_table,
sizeof (sdram_table) / sizeof (uint));
/* /*
* Map cs 2 and 3 to the SDRAM banks 0 and 1 at * Map cs 2 and 3 to the SDRAM banks 0 and 1 at
* preliminary addresses - these have to be modified after the * preliminary addresses - these have to be modified after the
* SDRAM size has been determined. * SDRAM size has been determined.
*/ */
memctl->memc_or2 = CFG_OR2_PRELIM; /* not defined yet */ memctl->memc_or2 = CFG_OR2_PRELIM; /* not defined yet */
memctl->memc_br2 = CFG_BR2_PRELIM; memctl->memc_br2 = CFG_BR2_PRELIM;
memctl->memc_or3 = CFG_OR3_PRELIM; memctl->memc_or3 = CFG_OR3_PRELIM;
memctl->memc_br3 = CFG_BR3_PRELIM; memctl->memc_br3 = CFG_BR3_PRELIM;
/* perform SDRAM initializsation sequence */ /* perform SDRAM initializsation sequence */
memctl->memc_mar = 0x00000088; memctl->memc_mar = 0x00000088;
memctl->memc_mcr = 0x80004830; /* SDRAM bank 0 execute 8 refresh */
memctl->memc_mcr = 0x80004105; /* SDRAM bank 0 */
memctl->memc_mcr = 0x80004830; /* SDRAM bank 0 execute 8 refresh */ memctl->memc_mcr = 0x80006830; /* SDRAM bank 1 execute 8 refresh */
memctl->memc_mcr = 0x80006105; /* SDRAM bank 1 */
memctl->memc_mcr = 0x80004105; /* SDRAM bank 0 */ memctl->memc_mamr = CFG_MAMR_8COL; /* 0x18803112 start refresh timer TODO: explain here */
memctl->memc_mcr = 0x80006830; /* SDRAM bank 1 execute 8 refresh */
memctl->memc_mcr = 0x80006105; /* SDRAM bank 1 */
memctl->memc_mamr = CFG_MAMR_8COL; /* 0x18803112 start refresh timer TODO: explain here */
/* printf ("banks 0 and 1 are programed\n"); */ /* printf ("banks 0 and 1 are programed\n"); */
/* /*
* Check Bank 0 Memory Size for re-configuration * Check Bank 0 Memory Size for re-configuration
* *
*/ */
size_b0 = get_ram_size ((ulong *) SDRAM_BASE2_PRELIM, SDRAM_MAX_SIZE);
size_b0 = dram_size ((ulong *)SDRAM_BASE2_PRELIM, SDRAM_MAX_SIZE); size_b1 = get_ram_size ((ulong *) SDRAM_BASE3_PRELIM, SDRAM_MAX_SIZE);
size_b1 = dram_size ((ulong *)SDRAM_BASE3_PRELIM, SDRAM_MAX_SIZE);
printf ("\nbank 0 size %lu\nbank 1 size %lu\n",size_b0,size_b1);
printf ("\nbank 0 size %lu\nbank 1 size %lu\n", size_b0, size_b1);
/* printf ("bank 1 size %u\n",size_b1); */ /* printf ("bank 1 size %u\n",size_b1); */
if(size_b1 == 0) { if (size_b1 == 0) {
/*
* Adjust refresh rate if bank 0 isn't stuffed
*/
memctl->memc_mptpr = 0x0400; /* divide by 64 */
memctl->memc_br3 &= 0x0FFFFFFFE;
/* /*
* Adjust refresh rate if bank 0 isn't stuffed * Adjust OR2 for size of bank 0
*/ */
memctl->memc_or2 |= 7 * size_b0;
} else {
if (size_b0 < size_b1) {
memctl->memc_br2 &= 0x00007FFE;
memctl->memc_br3 &= 0x00007FFF;
memctl->memc_mptpr = 0x0400; /* divide by 64 */ /*
memctl->memc_br3 &= 0x0FFFFFFFE; * Adjust OR3 for size of bank 1
*/
memctl->memc_or3 |= 15 * size_b1;
/* /*
* Adjust OR2 for size of bank 0 * Adjust OR2 for size of bank 0
*/ */
memctl->memc_or2 |= 7 * size_b0; memctl->memc_or2 |= 15 * size_b0;
memctl->memc_br2 += (size_b1 + 1);
} else {
memctl->memc_br3 &= 0x00007FFE;
} /*
* Adjust OR2 for size of bank 0
*/
memctl->memc_or2 |= 15 * size_b0;
else { /*
* Adjust OR3 for size of bank 1
if(size_b0 < size_b1) { */
memctl->memc_br2 &= 0x00007FFE; memctl->memc_or3 |= 15 * size_b1;
memctl->memc_br3 &= 0x00007FFF; memctl->memc_br3 += (size_b0 + 1);
}
/*
* Adjust OR3 for size of bank 1
*/
memctl->memc_or3 |= 15 * size_b1;
/*
* Adjust OR2 for size of bank 0
*/
memctl->memc_or2 |= 15 * size_b0;
memctl->memc_br2 += (size_b1 + 1);
}
else {
memctl->memc_br3 &= 0x00007FFE;
/*
* Adjust OR2 for size of bank 0
*/
memctl->memc_or2 |= 15 * size_b0;
/*
* Adjust OR3 for size of bank 1
*/
memctl->memc_or3 |= 15 * size_b1;
memctl->memc_br3 += (size_b0 + 1);
}
}
/* before leaving set all unused i/o pins to outputs */
/*
* --*Unused Pin List*--
*
* group/port bit number
* IP_B 0,1,3,4,5 Taken care of in pcmcia-cs-x.x.xx
* PA 5,7,8,9,14,15
* PB 22,23,31
* PC 4,5,6,7,10,11,12,13,14,15
* PD 5,6,7
*
*/
/*
* --*Pin Used for I/O List*--
*
* port input bit number output bit number either
* PB 18,26,27
* PD 3,4 8,9,10,11,12,13,14,15
*
*/
immap->im_ioport.iop_papar &= ~0x05C3; /* set pins as io */
immap->im_ioport.iop_padir |= 0x05C3; /* set pins as output */
immap->im_ioport.iop_paodr &= 0x0008; /* config pins 9 & 14 as normal outputs */
immap->im_ioport.iop_padat |= 0x05C3; /* set unused pins as high */
immap->im_cpm.cp_pbpar &= ~0x00001331; /* set unused port b pins as io */
immap->im_cpm.cp_pbdir |= 0x00001331; /* set unused port b pins as output */
immap->im_cpm.cp_pbodr &= ~0x00001331; /* config bits 18,22,23,26,27 & 31 as normal outputs */
immap->im_cpm.cp_pbdat |= 0x00001331; /* set T/E LED, /NV_CS, & /POWER_ADJ_CS and the rest to a high */
immap->im_ioport.iop_pcpar &= ~0x0F3F; /* set unused port c pins as io */
immap->im_ioport.iop_pcdir |= 0x0F3F; /* set unused port c pins as output */
immap->im_ioport.iop_pcso &= ~0x0F3F; /* clear special purpose bit for unused port c pins for clarity */
immap->im_ioport.iop_pcdat |= 0x0F3F; /* set unused port c pins high*/
immap->im_ioport.iop_pdpar &= 0xE000; /* set pins as io */
immap->im_ioport.iop_pddir &= 0xE000; /* set bit 3 & 4 as inputs */
immap->im_ioport.iop_pddir |= 0x07FF; /* set bits 5 - 15 as outputs */
immap->im_ioport.iop_pddat = 0x0055; /* set alternating pattern on test port */
return (size_b0 + size_b1);
}
/* ------------------------------------------------------------------------- */
/*
* Check memory range for valid RAM. A simple memory test determines
* the actually available RAM size between addresses `base' and
* `base + maxsize'. Some (not all) hardware errors are detected:
* - short between address lines
* - short between data lines
*/
static long int dram_size ( long int *base, long int maxsize)
{
volatile long int *addr;
long int cnt, val;
for (cnt = maxsize/sizeof(long); cnt > 0; cnt >>= 1) {
addr = base + cnt; /* pointer arith! */
*addr = ~cnt;
}
/* write 0 to base address */
addr = base;
*addr = 0;
/* check at base address */
if ((val = *addr) != 0) {
return (0);
}
for (cnt = 1; ; cnt <<= 1) {
addr = base + cnt; /* pointer arith! */
val = *addr;
if (val != (~cnt)) {
return (cnt * sizeof(long));
} }
}
/* NOTREACHED */ /* before leaving set all unused i/o pins to outputs */
/*
* --*Unused Pin List*--
*
* group/port bit number
* IP_B 0,1,3,4,5 Taken care of in pcmcia-cs-x.x.xx
* PA 5,7,8,9,14,15
* PB 22,23,31
* PC 4,5,6,7,10,11,12,13,14,15
* PD 5,6,7
*
*/
/*
* --*Pin Used for I/O List*--
*
* port input bit number output bit number either
* PB 18,26,27
* PD 3,4 8,9,10,11,12,13,14,15
*
*/
immap->im_ioport.iop_papar &= ~0x05C3; /* set pins as io */
immap->im_ioport.iop_padir |= 0x05C3; /* set pins as output */
immap->im_ioport.iop_paodr &= 0x0008; /* config pins 9 & 14 as normal outputs */
immap->im_ioport.iop_padat |= 0x05C3; /* set unused pins as high */
immap->im_cpm.cp_pbpar &= ~0x00001331; /* set unused port b pins as io */
immap->im_cpm.cp_pbdir |= 0x00001331; /* set unused port b pins as output */
immap->im_cpm.cp_pbodr &= ~0x00001331; /* config bits 18,22,23,26,27 & 31 as normal outputs */
immap->im_cpm.cp_pbdat |= 0x00001331; /* set T/E LED, /NV_CS, & /POWER_ADJ_CS and the rest to a high */
immap->im_ioport.iop_pcpar &= ~0x0F3F; /* set unused port c pins as io */
immap->im_ioport.iop_pcdir |= 0x0F3F; /* set unused port c pins as output */
immap->im_ioport.iop_pcso &= ~0x0F3F; /* clear special purpose bit for unused port c pins for clarity */
immap->im_ioport.iop_pcdat |= 0x0F3F; /* set unused port c pins high */
immap->im_ioport.iop_pdpar &= 0xE000; /* set pins as io */
immap->im_ioport.iop_pddir &= 0xE000; /* set bit 3 & 4 as inputs */
immap->im_ioport.iop_pddir |= 0x07FF; /* set bits 5 - 15 as outputs */
immap->im_ioport.iop_pddat = 0x0055; /* set alternating pattern on test port */
return (size_b0 + size_b1);
} }

60
board/etin/debris/debris.c
View file

@ -52,50 +52,28 @@ int checkflash (void)
long int initdram (int board_type) long int initdram (int board_type)
{ {
int i, cnt; long size;
volatile uchar * base= CFG_SDRAM_BASE; #if 0
volatile ulong * addr; long new_bank0_end;
ulong save[32]; long mear1;
ulong val, ret = 0; long emear1;
#endif
for (i=0, cnt=(CFG_MAX_RAM_SIZE / sizeof(long)) >> 1; cnt > 0; cnt >>= 1) { size = get_ram_size(CFG_SDRAM_BASE, CFG_MAX_RAM_SIZE);
addr = (volatile ulong *)base + cnt;
save[i++] = *addr;
*addr = ~cnt;
}
addr = (volatile ulong *)base; #if 0
save[i] = *addr; new_bank0_end = size - 1;
*addr = 0; mear1 = mpc824x_mpc107_getreg(MEAR1);
emear1 = mpc824x_mpc107_getreg(EMEAR1);
mear1 = (mear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT);
emear1 = (emear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT);
mpc824x_mpc107_setreg(MEAR1, mear1);
mpc824x_mpc107_setreg(EMEAR1, emear1);
#endif
if (*addr != 0) { return (size);
*addr = save[i];
goto Done;
}
for (cnt = 1; cnt <= CFG_MAX_RAM_SIZE / sizeof(long); cnt <<= 1) {
addr = (volatile ulong *)base + cnt;
val = *addr;
*addr = save[--i];
if (val != ~cnt) {
/* ulong new_bank0_end = cnt * sizeof(long) - 1;
ulong mear1 = mpc824x_mpc107_getreg(MEAR1);
ulong emear1 = mpc824x_mpc107_getreg(EMEAR1);
mear1 = (mear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT);
emear1 = (emear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT);
mpc824x_mpc107_setreg(MEAR1, mear1);
mpc824x_mpc107_setreg(EMEAR1, emear1);*/
ret = cnt * sizeof(long);
goto Done;
}
}
ret = CFG_MAX_RAM_SIZE;
Done:
return ret;
} }
/* /*

47
board/etx094/etx094.c
View file

@ -320,55 +320,10 @@ static long int dram_size (long int mamr_value, long int *base,
{ {
volatile immap_t *immap = (immap_t *) CFG_IMMR; volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl; volatile memctl8xx_t *memctl = &immap->im_memctl;
volatile long int *addr;
ulong cnt, val, size;
ulong save[32]; /* to make test non-destructive */
unsigned char i = 0;
memctl->memc_mamr = mamr_value; memctl->memc_mamr = mamr_value;
for (cnt = maxsize / sizeof (long); cnt > 0; cnt >>= 1) { return (get_ram_size(base, maxsize));
addr = base + cnt; /* pointer arith! */
save[i++] = *addr;
*addr = ~cnt;
}
/* write 0 to base address */
addr = base;
save[i] = *addr;
*addr = 0;
/* check at base address */
if ((val = *addr) != 0) {
/* Restore the original data before leaving the function.
*/
*addr = save[i];
for (cnt = 1; cnt <= maxsize / sizeof(long); cnt <<= 1) {
addr = (volatile ulong *) base + cnt;
*addr = save[--i];
}
return (0);
}
for (cnt = 1; cnt <= maxsize / sizeof (long); cnt <<= 1) {
addr = base + cnt; /* pointer arith! */
val = *addr;
*addr = save[--i];
if (val != (~cnt)) {
size = cnt * sizeof (long);
/* Restore the original data before returning
*/
for (cnt <<= 1; cnt <= maxsize / sizeof (long); cnt <<= 1) {
addr = (volatile ulong *) base + cnt;
*addr = save[--i];
}
return (size);
}
}
return (maxsize);
} }
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */

43
board/fads/fads.c
View file

@ -186,45 +186,6 @@ static const uint edo_70ns[] =
#error dram not correctly defined - use CONFIG_DRAM_25MHZ or CONFIG_DRAM_50MHZ #error dram not correctly defined - use CONFIG_DRAM_25MHZ or CONFIG_DRAM_50MHZ
#endif #endif
/* ------------------------------------------------------------------------- */
static long int dram_size (long int *base, long int maxsize)
{
volatile long int *addr=base;
ulong cnt, val;
ulong save[32]; /* to make test non-destructive */
unsigned char i = 0;
for (cnt = maxsize / sizeof (long); cnt > 0; cnt >>= 1) {
addr = base + cnt; /* pointer arith! */
save[i++] = *addr;
*addr = ~cnt;
}
/* write 0 to base address */
addr = base;
save[i] = *addr;
*addr = 0;
/* check at base address */
if ((val = *addr) != 0) {
*addr = save[i];
return (0);
}
for (cnt = 1; cnt <= maxsize / sizeof (long); cnt <<= 1) {
addr = base + cnt; /* pointer arith! */
val = *addr;
*addr = save[--i];
if (val != (~cnt)) {
return (cnt * sizeof (long));
}
}
return (maxsize);
}
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */
static int _draminit (uint base, uint noMbytes, uint edo, uint delay) static int _draminit (uint base, uint noMbytes, uint edo, uint delay)
{ {
@ -306,10 +267,10 @@ static int _draminit (uint base, uint noMbytes, uint edo, uint delay)
/* if no dimm is inserted, noMbytes is still detected as 8m, so /* if no dimm is inserted, noMbytes is still detected as 8m, so
* sanity check top and bottom of memory */ * sanity check top and bottom of memory */
/* check bytes / 2 because dram_size tests at base+bytes, which /* check bytes / 2 because get_ram_size tests at base+bytes, which
* is not mapped */ * is not mapped */
if (noMbytes == 8) if (noMbytes == 8)
if (dram_size ((long *) base, noMbytes << 19) != noMbytes << 19) { if (get_ram_size ((long *) base, noMbytes << 19) != noMbytes << 19) {
*((uint *) BCSR1) |= BCSR1_DRAM_EN; /* disable dram */ *((uint *) BCSR1) |= BCSR1_DRAM_EN; /* disable dram */
return -1; return -1;
} }

319
board/genietv/genietv.c
View file

@ -39,13 +39,12 @@ static long int dram_size (long int, long int *, long int);
#define _NOT_USED_ 0xFFFFFFFF #define _NOT_USED_ 0xFFFFFFFF
const uint sdram_table[] = const uint sdram_table[] = {
{
/* /*
* Single Read. (Offset 0 in UPMB RAM) * Single Read. (Offset 0 in UPMB RAM)
*/ */
0x1F0DFC04, 0xEEAFBC04, 0x11AF7C04, 0xEFBEEC00, 0x1F0DFC04, 0xEEAFBC04, 0x11AF7C04, 0xEFBEEC00,
0x1FFDDC47, /* last */ 0x1FFDDC47, /* last */
/* /*
* SDRAM Initialization (offset 5 in UPMB RAM) * SDRAM Initialization (offset 5 in UPMB RAM)
* *
@ -54,39 +53,39 @@ const uint sdram_table[] =
* sequence, which is executed by a RUN command. * sequence, which is executed by a RUN command.
* *
*/ */
0x1FFDDC34, 0xEFEEAC34, 0x1FBD5C35, /* last */ 0x1FFDDC34, 0xEFEEAC34, 0x1FBD5C35, /* last */
/* /*
* Burst Read. (Offset 8 in UPMB RAM) * Burst Read. (Offset 8 in UPMB RAM)
*/ */
0x1F0DFC04, 0xEEAFBC04, 0x10AF7C04, 0xF0AFFC00, 0x1F0DFC04, 0xEEAFBC04, 0x10AF7C04, 0xF0AFFC00,
0xF0AFFC00, 0xF1AFFC00, 0xEFBEEC00, 0x1FFDDC47, /* last */ 0xF0AFFC00, 0xF1AFFC00, 0xEFBEEC00, 0x1FFDDC47, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* /*
* Single Write. (Offset 18 in UPMB RAM) * Single Write. (Offset 18 in UPMB RAM)
*/ */
0x1F2DFC04, 0xEEAFAC00, 0x01BE4C04, 0x1FFDDC47, /* last */ 0x1F2DFC04, 0xEEAFAC00, 0x01BE4C04, 0x1FFDDC47, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* /*
* Burst Write. (Offset 20 in UPMB RAM) * Burst Write. (Offset 20 in UPMB RAM)
*/ */
0x1F0DFC04, 0xEEAFAC00, 0x10AF5C00, 0xF0AFFC00, 0x1F0DFC04, 0xEEAFAC00, 0x10AF5C00, 0xF0AFFC00,
0xF0AFFC00, 0xE1BEEC04, 0x1FFDDC47, /* last */ 0xF0AFFC00, 0xE1BEEC04, 0x1FFDDC47, /* last */
_NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* /*
* Refresh (Offset 30 in UPMB RAM) * Refresh (Offset 30 in UPMB RAM)
*/ */
0x1FFD7C84, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04, 0x1FFD7C84, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04,
0xFFFFFC84, 0xFFFFFC07, /* last */ 0xFFFFFC84, 0xFFFFFC07, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* /*
* Exception. (Offset 3c in UPMB RAM) * Exception. (Offset 3c in UPMB RAM)
*/ */
0x7FFFFC07, /* last */ 0x7FFFFC07, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
}; };
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */
@ -98,19 +97,22 @@ const uint sdram_table[] =
int checkboard (void) int checkboard (void)
{ {
puts ("Board: GenieTV\n"); puts ("Board: GenieTV\n");
return 0; return 0;
} }
#if 0 #if 0
static void PrintState(void) static void PrintState (void)
{ {
volatile immap_t *im = (immap_t *)CFG_IMMR; volatile immap_t *im = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &im->im_memctl; volatile memctl8xx_t *memctl = &im->im_memctl;
printf("\n0 - FLASH: B=%08x O=%08x", memctl->memc_br0, memctl->memc_or0); printf ("\n0 - FLASH: B=%08x O=%08x", memctl->memc_br0,
printf("\n1 - SDRAM: B=%08x O=%08x", memctl->memc_br1, memctl->memc_or1); memctl->memc_or0);
printf("\n2 - SDRAM: B=%08x O=%08x", memctl->memc_br2, memctl->memc_or2); printf ("\n1 - SDRAM: B=%08x O=%08x", memctl->memc_br1,
memctl->memc_or1);
printf ("\n2 - SDRAM: B=%08x O=%08x", memctl->memc_br2,
memctl->memc_or2);
} }
#endif #endif
@ -118,119 +120,123 @@ static void PrintState(void)
long int initdram (int board_type) long int initdram (int board_type)
{ {
volatile immap_t *im = (immap_t *)CFG_IMMR; volatile immap_t *im = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &im->im_memctl; volatile memctl8xx_t *memctl = &im->im_memctl;
long int size_b0, size_b1, size8; long int size_b0, size_b1, size8;
/* Enable SDRAM */ /* Enable SDRAM */
/* Configuring PA7 for general purpouse output pin */ /* Configuring PA7 for general purpouse output pin */
im->im_ioport.iop_papar &= ~CFG_PA7 ; /* 0 = general purpouse */ im->im_ioport.iop_papar &= ~CFG_PA7; /* 0 = general purpouse */
im->im_ioport.iop_padir |= CFG_PA7 ; /* 1 = output */ im->im_ioport.iop_padir |= CFG_PA7; /* 1 = output */
/* Enable SDRAM - PA7 = 1 */ /* Enable SDRAM - PA7 = 1 */
im->im_ioport.iop_padat |= CFG_PA7 ; /* value of PA7 */ im->im_ioport.iop_padat |= CFG_PA7; /* value of PA7 */
/* /*
* Preliminary prescaler for refresh (depends on number of * Preliminary prescaler for refresh (depends on number of
* banks): This value is selected for four cycles every 62.4 us * banks): This value is selected for four cycles every 62.4 us
* with two SDRAM banks or four cycles every 31.2 us with one * with two SDRAM banks or four cycles every 31.2 us with one
* bank. It will be adjusted after memory sizing. * bank. It will be adjusted after memory sizing.
*/ */
memctl->memc_mptpr = CFG_MPTPR_2BK_4K ; memctl->memc_mptpr = CFG_MPTPR_2BK_4K;
memctl->memc_mbmr = CFG_MBMR_8COL; memctl->memc_mbmr = CFG_MBMR_8COL;
upmconfig(UPMB, (uint *)sdram_table, sizeof(sdram_table)/sizeof(uint)); upmconfig (UPMB, (uint *) sdram_table,
sizeof (sdram_table) / sizeof (uint));
/* /*
* Map controller banks 1 and 2 to the SDRAM banks 1 and 2 at * Map controller banks 1 and 2 to the SDRAM banks 1 and 2 at
* preliminary addresses - these have to be modified after the * preliminary addresses - these have to be modified after the
* SDRAM size has been determined. * SDRAM size has been determined.
*/ */
memctl->memc_or1 = 0xF0000000 | CFG_OR_TIMING_SDRAM; memctl->memc_or1 = 0xF0000000 | CFG_OR_TIMING_SDRAM;
memctl->memc_br1 = ((SDRAM_BASE1_PRELIM & BR_BA_MSK) | BR_MS_UPMB | BR_V); memctl->memc_br1 =
((SDRAM_BASE1_PRELIM & BR_BA_MSK) | BR_MS_UPMB | BR_V);
memctl->memc_or2 = 0xF0000000 | CFG_OR_TIMING_SDRAM; memctl->memc_or2 = 0xF0000000 | CFG_OR_TIMING_SDRAM;
memctl->memc_br2 = ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMB | BR_V); memctl->memc_br2 =
((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMB | BR_V);
/* perform SDRAM initialization sequence */ /* perform SDRAM initialization sequence */
memctl->memc_mar = 0x00000088; memctl->memc_mar = 0x00000088;
memctl->memc_mcr = 0x80802105; /* SDRAM bank 0 */ memctl->memc_mcr = 0x80802105; /* SDRAM bank 0 */
memctl->memc_mcr = 0x80804105; /* SDRAM bank 1 */ memctl->memc_mcr = 0x80804105; /* SDRAM bank 1 */
/* Execute refresh 8 times */ /* Execute refresh 8 times */
memctl->memc_mbmr = (CFG_MBMR_8COL & ~MBMR_TLFB_MSK) | MBMR_TLFB_8X ; memctl->memc_mbmr = (CFG_MBMR_8COL & ~MBMR_TLFB_MSK) | MBMR_TLFB_8X;
memctl->memc_mcr = 0x80802130; /* SDRAM bank 0 - execute twice */ memctl->memc_mcr = 0x80802130; /* SDRAM bank 0 - execute twice */
memctl->memc_mcr = 0x80804130; /* SDRAM bank 1 - execute twice */ memctl->memc_mcr = 0x80804130; /* SDRAM bank 1 - execute twice */
/* Execute refresh 4 times */ /* Execute refresh 4 times */
memctl->memc_mbmr = CFG_MBMR_8COL; memctl->memc_mbmr = CFG_MBMR_8COL;
/* /*
* Check Bank 0 Memory Size for re-configuration * Check Bank 0 Memory Size for re-configuration
* *
* try 8 column mode * try 8 column mode
*/ */
#if 0 #if 0
PrintState(); PrintState ();
#endif #endif
/* printf ("\nChecking bank1..."); */ /* printf ("\nChecking bank1..."); */
size8 = dram_size (CFG_MBMR_8COL, (ulong *)SDRAM_BASE1_PRELIM, SDRAM_MAX_SIZE); size8 = dram_size (CFG_MBMR_8COL, (ulong *) SDRAM_BASE1_PRELIM,
SDRAM_MAX_SIZE);
size_b0 = size8 ; size_b0 = size8;
/* printf ("\nChecking bank2..."); */ /* printf ("\nChecking bank2..."); */
size_b1 = dram_size (memctl->memc_mbmr, (ulong *)SDRAM_BASE2_PRELIM,SDRAM_MAX_SIZE); size_b1 =
dram_size (memctl->memc_mbmr, (ulong *) SDRAM_BASE2_PRELIM,
SDRAM_MAX_SIZE);
/*
* Final mapping: map bigger bank first
*/
memctl->memc_or1 = ((-size_b0) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM;
memctl->memc_br1 = (CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMB | BR_V;
if (size_b1 > 0)
{
/* /*
* Position Bank 1 immediately above Bank 0 * Final mapping: map bigger bank first
*/ */
memctl->memc_or2 = ((-size_b1) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM;
memctl->memc_br2 = ((CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMB | BR_V) +
(size_b0 & BR_BA_MSK);
}
else
{
/*
* No bank 1
*
* invalidate bank
*/
memctl->memc_br2 = 0;
/* adjust refresh rate depending on SDRAM type, one bank */
memctl->memc_mptpr = CFG_MPTPR_1BK_4K;
}
/* If no memory detected, disable SDRAM */ memctl->memc_or1 = ((-size_b0) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM;
if ((size_b0 + size_b1) == 0) memctl->memc_br1 = (CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMB | BR_V;
{
printf("disabling SDRAM!\n"); if (size_b1 > 0) {
/* Disable SDRAM - PA7 = 1 */ /*
im->im_ioport.iop_padat &= ~CFG_PA7 ; /* value of PA7 */ * Position Bank 1 immediately above Bank 0
} */
memctl->memc_or2 =
((-size_b1) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM;
memctl->memc_br2 =
((CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMB | BR_V) +
(size_b0 & BR_BA_MSK);
} else {
/*
* No bank 1
*
* invalidate bank
*/
memctl->memc_br2 = 0;
/* adjust refresh rate depending on SDRAM type, one bank */
memctl->memc_mptpr = CFG_MPTPR_1BK_4K;
}
/* If no memory detected, disable SDRAM */
if ((size_b0 + size_b1) == 0) {
printf ("disabling SDRAM!\n");
/* Disable SDRAM - PA7 = 1 */
im->im_ioport.iop_padat &= ~CFG_PA7; /* value of PA7 */
}
/* else */ /* else */
/* printf("done! (%08lx)\n", size_b0 + size_b1); */ /* printf("done! (%08lx)\n", size_b0 + size_b1); */
#if 0 #if 0
PrintState(); PrintState ();
#endif #endif
return (size_b0 + size_b1); return (size_b0 + size_b1);
} }
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */
@ -243,57 +249,39 @@ long int initdram (int board_type)
* - short between data lines * - short between data lines
*/ */
static long int dram_size (long int mbmr_value, long int *base, long int maxsize) static long int dram_size (long int mbmr_value, long int *base,
long int maxsize)
{ {
volatile long int *addr; long size;
long int cnt, val;
/*memctl->memc_mbmr = mbmr_value; */ /*memctl->memc_mbmr = mbmr_value; */
for (cnt = maxsize/sizeof(long); cnt > 0; cnt >>= 1) { size = get_ram_size (base, maxsize);
addr = base + cnt; /* pointer arith! */
*addr = ~cnt; if (size) {
} /* printf("(%08lx)", size); */
} else {
/* write 0 to base address */ printf ("(0)");
addr = base;
*addr = 0;
/* check at base address */
if ((val = *addr) != 0) {
printf("(0)");
return (0);
}
for (cnt = 1; ; cnt <<= 1) {
addr = base + cnt; /* pointer arith! */
val = *addr;
if (val != (~cnt)) {
/* printf("(%08lx)", cnt*sizeof(long)); */
return (cnt * sizeof(long));
} }
}
/* NOTREACHED */ return (size);
return (0);
} }
#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) #if (CONFIG_COMMANDS & CFG_CMD_PCMCIA)
#ifdef CFG_PCMCIA_MEM_ADDR #ifdef CFG_PCMCIA_MEM_ADDR
volatile unsigned char *pcmcia_mem = (unsigned char*)CFG_PCMCIA_MEM_ADDR; volatile unsigned char *pcmcia_mem = (unsigned char *) CFG_PCMCIA_MEM_ADDR;
#endif #endif
int pcmcia_init(void) int pcmcia_init (void)
{ {
volatile pcmconf8xx_t *pcmp; volatile pcmconf8xx_t *pcmp;
uint v, slota, slotb; uint v, slota, slotb;
/* /*
** Enable the PCMCIA for a Flash card. ** Enable the PCMCIA for a Flash card.
*/ */
pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); pcmp = (pcmconf8xx_t *) (&(((immap_t *) CFG_IMMR)->im_pcmcia));
#if 0 #if 0
pcmp->pcmc_pbr0 = CFG_PCMCIA_MEM_ADDR; pcmp->pcmc_pbr0 = CFG_PCMCIA_MEM_ADDR;
@ -311,12 +299,11 @@ int pcmcia_init(void)
#endif #endif
/* Check if any PCMCIA card is luged in. */ /* Check if any PCMCIA card is luged in. */
slota = (pcmp->pcmc_pipr & 0x18000000) == 0 ; slota = (pcmp->pcmc_pipr & 0x18000000) == 0;
slotb = (pcmp->pcmc_pipr & 0x00001800) == 0 ; slotb = (pcmp->pcmc_pipr & 0x00001800) == 0;
if (!(slota || slotb)) if (!(slota || slotb)) {
{ printf ("No card present\n");
printf("No card present\n");
#ifdef PCMCIA_SLOT_A #ifdef PCMCIA_SLOT_A
pcmp->pcmc_pgcra = 0; pcmp->pcmc_pgcra = 0;
#endif #endif
@ -324,52 +311,50 @@ int pcmcia_init(void)
pcmp->pcmc_pgcrb = 0; pcmp->pcmc_pgcrb = 0;
#endif #endif
return -1; return -1;
} } else
else printf ("Unknown card (");
printf("Unknown card (");
v = 0; v = 0;
switch( (pcmp->pcmc_pipr >> 14) & 3 ) switch ((pcmp->pcmc_pipr >> 14) & 3) {
{ case 0x00:
case 0x00 : printf ("5V");
printf("5V"); v = 5;
v = 5; break;
break; case 0x01:
case 0x01 : printf ("5V and 3V");
printf("5V and 3V"); v = 3;
v = 3; break;
break; case 0x03:
case 0x03 : printf ("5V, 3V and x.xV");
printf("5V, 3V and x.xV"); v = 3;
v = 3; break;
break;
} }
switch(v){ switch (v) {
case 3: case 3:
printf("; using 3V"); printf ("; using 3V");
/* Enable 3 volt Vcc. */ /* Enable 3 volt Vcc. */
break; break;
default: default:
printf("; unknown voltage"); printf ("; unknown voltage");
return -1; return -1;
} }
printf(")\n"); printf (")\n");
/* disable pcmcia reset after a while */ /* disable pcmcia reset after a while */
udelay(20); udelay (20);
pcmp->pcmc_pgcrb = 0; pcmp->pcmc_pgcrb = 0;
/* If you using a real hd you should give a short /* If you using a real hd you should give a short
* spin-up time. */ * spin-up time. */
#ifdef CONFIG_DISK_SPINUP_TIME #ifdef CONFIG_DISK_SPINUP_TIME
udelay(CONFIG_DISK_SPINUP_TIME); udelay (CONFIG_DISK_SPINUP_TIME);
#endif #endif
return 0; return 0;
} }
#endif /* CFG_CMD_PCMCIA */ #endif /* CFG_CMD_PCMCIA */

34
board/hermes/hermes.c
View file

@ -225,42 +225,10 @@ static long int dram_size (long int mamr_value, long int *base,
{ {
volatile immap_t *immap = (immap_t *) CFG_IMMR; volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl; volatile memctl8xx_t *memctl = &immap->im_memctl;
volatile long int *addr;
ulong cnt, val;
ulong save[32]; /* to make test non-destructive */
unsigned char i = 0;
memctl->memc_mamr = mamr_value; memctl->memc_mamr = mamr_value;
for (cnt = maxsize / sizeof (long); cnt > 0; cnt >>= 1) { return (get_ram_size(base, maxsize));
addr = base + cnt; /* pointer arith! */
save[i++] = *addr;
*addr = ~cnt;
}
/* write 0 to base address */
addr = base;
save[i] = *addr;
*addr = 0;
/* check at base address */
if ((val = *addr) != 0) {
*addr = save[i];
return (0);
}
for (cnt = 1; cnt <= maxsize / sizeof (long); cnt <<= 1) {
addr = base + cnt; /* pointer arith! */
val = *addr;
*addr = save[--i];
if (val != (~cnt)) {
return (cnt * sizeof (long));
}
}
return (maxsize);
} }
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */

46
board/icecube/icecube.c
View file

@ -26,44 +26,6 @@
#include <pci.h> #include <pci.h>
#ifndef CFG_RAMBOOT #ifndef CFG_RAMBOOT
static long int dram_size(long int *base, long int maxsize)
{
volatile long int *addr;
ulong cnt, val;
ulong save[32]; /* to make test non-destructive */
unsigned char i = 0;
for (cnt = (maxsize / sizeof (long)) >> 1; cnt > 0; cnt >>= 1) {
addr = base + cnt; /* pointer arith! */
save[i++] = *addr;
*addr = ~cnt;
}
/* write 0 to base address */
addr = base;
save[i] = *addr;
*addr = 0;
/* check at base address */
if ((val = *addr) != 0) {
*addr = save[i];
return (0);
}
for (cnt = 1; cnt < maxsize / sizeof (long); cnt <<= 1) {
addr = base + cnt; /* pointer arith! */
val = *addr;
*addr = save[--i];
if (val != (~cnt)) {
return (cnt * sizeof (long));
}
}
return (maxsize);
}
static void sdram_start (int hi_addr) static void sdram_start (int hi_addr)
{ {
long hi_addr_bit = hi_addr ? 0x01000000 : 0; long hi_addr_bit = hi_addr ? 0x01000000 : 0;
@ -148,9 +110,9 @@ long int initdram (int board_type)
*(vu_long *)MPC5XXX_SDRAM_XLBSEL = 0x03000000; *(vu_long *)MPC5XXX_SDRAM_XLBSEL = 0x03000000;
#endif #endif
sdram_start(0); sdram_start(0);
test1 = dram_size((ulong *)CFG_SDRAM_BASE, 0x80000000); test1 = get_ram_size((ulong *)CFG_SDRAM_BASE, 0x80000000);
sdram_start(1); sdram_start(1);
test2 = dram_size((ulong *)CFG_SDRAM_BASE, 0x80000000); test2 = get_ram_size((ulong *)CFG_SDRAM_BASE, 0x80000000);
if (test1 > test2) { if (test1 > test2) {
sdram_start(0); sdram_start(0);
dramsize = test1; dramsize = test1;
@ -163,9 +125,9 @@ long int initdram (int board_type)
#ifdef CONFIG_MPC5200_DDR #ifdef CONFIG_MPC5200_DDR
*(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize + 0x0000001e;/* 2G */ *(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize + 0x0000001e;/* 2G */
sdram_start(0); sdram_start(0);
test1 = dram_size((ulong *)(CFG_SDRAM_BASE + dramsize), 0x80000000); test1 = get_ram_size((ulong *)(CFG_SDRAM_BASE + dramsize), 0x80000000);
sdram_start(1); sdram_start(1);
test2 = dram_size((ulong *)(CFG_SDRAM_BASE + dramsize), 0x80000000); test2 = get_ram_size((ulong *)(CFG_SDRAM_BASE + dramsize), 0x80000000);
if (test1 > test2) { if (test1 > test2) {
sdram_start(0); sdram_start(0);
dramsize2 = test1; dramsize2 = test1;

33
board/icu862/icu862.c
View file

@ -208,39 +208,8 @@ static long int dram_size (long int mamr_value, long int *base,
{ {
volatile immap_t *immap = (immap_t *) CFG_IMMR; volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl; volatile memctl8xx_t *memctl = &immap->im_memctl;
volatile long int *addr;
ulong cnt, val;
ulong save[32]; /* to make test non-destructive */
unsigned char i = 0;
memctl->memc_mamr = mamr_value; memctl->memc_mamr = mamr_value;
for (cnt = maxsize / sizeof (long); cnt > 0; cnt >>= 1) { return (get_ram_size(base, maxsize));
addr = base + cnt; /* pointer arith! */
save[i++] = *addr;
*addr = ~cnt;
}
/* write 0 to base address */
addr = base;
save[i] = *addr;
*addr = 0;
/* check at base address */
if ((val = *addr) != 0) {
*addr = save[i];
return (0);
}
for (cnt = 1; cnt <= maxsize / sizeof (long); cnt <<= 1) {
addr = base + cnt; /* pointer arith! */
val = *addr;
*addr = save[--i];
if (val != (~cnt)) {
return (cnt * sizeof (long));
}
}
return (maxsize);
} }

48
board/incaip/incaip.c
View file

@ -47,52 +47,6 @@ static ulong max_sdram_size(void)
return size; return size;
} }
/*
* Check memory range for valid RAM. A simple memory test determines
* the actually available RAM size between addresses `base' and
* `base + maxsize'. Some (not all) hardware errors are detected:
* - short between address lines
* - short between data lines
*/
static long int dram_size(long int *base, long int maxsize)
{
volatile long int *addr;
ulong cnt, val;
ulong save[32]; /* to make test non-destructive */
unsigned char i = 0;
for (cnt = (maxsize / sizeof (long)) >> 1; cnt > 0; cnt >>= 1) {
addr = base + cnt; /* pointer arith! */
save[i++] = *addr;
*addr = ~cnt;
}
/* write 0 to base address */
addr = base;
save[i] = *addr;
*addr = 0;
/* check at base address */
if ((val = *addr) != 0) {
*addr = save[i];
return (0);
}
for (cnt = 1; cnt < maxsize / sizeof (long); cnt <<= 1) {
addr = base + cnt; /* pointer arith! */
val = *addr;
*addr = save[--i];
if (val != (~cnt)) {
return (cnt * sizeof (long));
}
}
return (maxsize);
}
long int initdram(int board_type) long int initdram(int board_type)
{ {
int rows, cols, best_val = *INCA_IP_SDRAM_MC_CFGPB0; int rows, cols, best_val = *INCA_IP_SDRAM_MC_CFGPB0;
@ -114,7 +68,7 @@ long int initdram(int board_type)
{ {
*INCA_IP_SDRAM_MC_CFGPB0 = (0x14 << 8) | *INCA_IP_SDRAM_MC_CFGPB0 = (0x14 << 8) |
(rows << 4) | cols; (rows << 4) | cols;
size = dram_size((ulong *)CFG_SDRAM_BASE, size = get_ram_size((ulong *)CFG_SDRAM_BASE,
max_sdram_size()); max_sdram_size());
if (size > max_size) if (size > max_size)

34
board/ip860/ip860.c
View file

@ -253,42 +253,10 @@ static long int dram_size (long int mamr_value, long int *base,
{ {
volatile immap_t *immap = (immap_t *) CFG_IMMR; volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl; volatile memctl8xx_t *memctl = &immap->im_memctl;
volatile long int *addr;
ulong cnt, val;
ulong save[32]; /* to make test non-destructive */
unsigned char i = 0;
memctl->memc_mamr = mamr_value; memctl->memc_mamr = mamr_value;
for (cnt = maxsize / sizeof (long); cnt > 0; cnt >>= 1) { return (get_ram_size(base, maxsize));
addr = base + cnt; /* pointer arith! */
save[i++] = *addr;
*addr = ~cnt;
}
/* write 0 to base address */
addr = base;
save[i] = *addr;
*addr = 0;
/* check at base address */
if ((val = *addr) != 0) {
*addr = save[i];
return (0);
}
for (cnt = 1; cnt <= maxsize / sizeof (long); cnt <<= 1) {
addr = base + cnt; /* pointer arith! */
val = *addr;
*addr = save[--i];
if (val != (~cnt)) {
return (cnt * sizeof (long));
}
}
return (maxsize);
} }
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */

42
board/iphase4539/iphase4539.c
View file

@ -198,9 +198,8 @@ long int initdram (int board_type)
volatile immap_t *immap = (immap_t *) CFG_IMMR; volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile memctl8260_t *memctl = &immap->im_memctl; volatile memctl8260_t *memctl = &immap->im_memctl;
volatile uchar *base; volatile uchar *base;
volatile ulong *addr, cnt, val; ulong maxsize;
ulong save[32]; /* to make test non-destructive */ int i;
int i, maxsize;
memctl->memc_psrt = CFG_PSRT; memctl->memc_psrt = CFG_PSRT;
memctl->memc_mptpr = CFG_MPTPR; memctl->memc_mptpr = CFG_MPTPR;
@ -237,43 +236,10 @@ long int initdram (int board_type)
*/ */
maxsize = (1 + (~memctl->memc_or1 | 0x7fff)) / 2; maxsize = (1 + (~memctl->memc_or1 | 0x7fff)) / 2;
/* maxsize = get_ram_size((long *)base, maxsize);
* Check memory range for valid RAM. A simple memory test determines
* the actually available RAM size between addresses `base' and
* `base + maxsize'. Some (not all) hardware errors are detected:
* - short between address lines
* - short between data lines
*/
i = 0;
for (cnt = maxsize / sizeof (long); cnt > 0; cnt >>= 1) {
addr = (volatile ulong *) base + cnt; /* pointer arith! */
save[i++] = *addr;
*addr = ~cnt;
}
addr = (volatile ulong *) base; memctl->memc_or1 |= ~(maxsize - 1);
save[i] = *addr;
*addr = 0;
if ((val = *addr) != 0) {
*addr = save[i];
return (0);
}
for (cnt = 1; cnt <= maxsize / sizeof (long); cnt <<= 1) {
addr = (volatile ulong *) base + cnt; /* pointer arith! */
val = *addr;
*addr = save[--i];
if (val != ~cnt) {
/* Write the actual size to ORx
*/
memctl->memc_or1 |= ~(cnt * sizeof (long) - 1);
maxsize = cnt * sizeof (long) / 2;
break;
}
}
maxsize *= 2;
if (maxsize != hwc_main_sdram_size ()) if (maxsize != hwc_main_sdram_size ())
printf ("Oops: memory test has not found all memory!\n"); printf ("Oops: memory test has not found all memory!\n");
#endif #endif

270
board/ivm/ivm.c
View file

@ -41,14 +41,13 @@ static long int dram_size (long int, long int *, long int);
/* /*
* 50 MHz SHARC access using UPM A * 50 MHz SHARC access using UPM A
*/ */
const uint sharc_table[] = const uint sharc_table[] = {
{
/* /*
* Single Read. (Offset 0 in UPM RAM) * Single Read. (Offset 0 in UPM RAM)
*/ */
0x0FF3FC04, 0x0FF3EC00, 0x7FFFEC04, 0xFFFFEC04, 0x0FF3FC04, 0x0FF3EC00, 0x7FFFEC04, 0xFFFFEC04,
0xFFFFEC05, /* last */ 0xFFFFEC05, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* /*
* Burst Read. (Offset 8 in UPM RAM) * Burst Read. (Offset 8 in UPM RAM)
*/ */
@ -61,8 +60,8 @@ const uint sharc_table[] =
* Single Write. (Offset 18 in UPM RAM) * Single Write. (Offset 18 in UPM RAM)
*/ */
0x0FAFFC04, 0x0FAFEC00, 0x7FFFEC04, 0xFFFFEC04, 0x0FAFFC04, 0x0FAFEC00, 0x7FFFEC04, 0xFFFFEC04,
0xFFFFEC05, /* last */ 0xFFFFEC05, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* /*
* Burst Write. (Offset 20 in UPM RAM) * Burst Write. (Offset 20 in UPM RAM)
*/ */
@ -81,16 +80,15 @@ const uint sharc_table[] =
/* /*
* Exception. (Offset 3c in UPM RAM) * Exception. (Offset 3c in UPM RAM)
*/ */
0x7FFFFC07, /* last */ 0x7FFFFC07, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
}; };
/* /*
* 50 MHz SDRAM access using UPM B * 50 MHz SDRAM access using UPM B
*/ */
const uint sdram_table[] = const uint sdram_table[] = {
{
/* /*
* Single Read. (Offset 0 in UPM RAM) * Single Read. (Offset 0 in UPM RAM)
*/ */
@ -104,40 +102,40 @@ const uint sdram_table[] =
* sequence, which is executed by a RUN command. * sequence, which is executed by a RUN command.
* *
*/ */
0x1FF77C35, 0xEFEABC34, 0x1FB57C35, /* last */ 0x1FF77C35, 0xEFEABC34, 0x1FB57C35, /* last */
/* /*
* Burst Read. (Offset 8 in UPM RAM) * Burst Read. (Offset 8 in UPM RAM)
*/ */
0x0E26FC04, 0x10ADFC04, 0xF0AFFC00, 0xF0AFFC00, 0x0E26FC04, 0x10ADFC04, 0xF0AFFC00, 0xF0AFFC00,
0xF1AFFC00, 0xEFBBBC00, 0x1FF77C45, /* last */ 0xF1AFFC00, 0xEFBBBC00, 0x1FF77C45, /* last */
_NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* /*
* Single Write. (Offset 18 in UPM RAM) * Single Write. (Offset 18 in UPM RAM)
*/ */
0x1F27FC04, 0xEEAEBC04, 0x01B93C00, 0x1FF77C45, /* last */ 0x1F27FC04, 0xEEAEBC04, 0x01B93C00, 0x1FF77C45, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* /*
* Burst Write. (Offset 20 in UPM RAM) * Burst Write. (Offset 20 in UPM RAM)
*/ */
0x0E26BC00, 0x10AD7C00, 0xF0AFFC00, 0xF0AFFC00, 0x0E26BC00, 0x10AD7C00, 0xF0AFFC00, 0xF0AFFC00,
0xE1BBBC04, 0x1FF77C45, /* last */ 0xE1BBBC04, 0x1FF77C45, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* /*
* Refresh (Offset 30 in UPM RAM) * Refresh (Offset 30 in UPM RAM)
*/ */
0x1FF5FC84, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC84, 0x1FF5FC84, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC84,
0xFFFFFC05, /* last */ 0xFFFFFC05, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* /*
* Exception. (Offset 3c in UPM RAM) * Exception. (Offset 3c in UPM RAM)
*/ */
0x7FFFFC07, /* last */ 0x7FFFFC07, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
}; };
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */
@ -161,101 +159,104 @@ int checkboard (void)
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */
long int long int initdram (int board_type)
initdram (int board_type)
{ {
volatile immap_t *immr = (immap_t *)CFG_IMMR; volatile immap_t *immr = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &immr->im_memctl; volatile memctl8xx_t *memctl = &immr->im_memctl;
long int size_b0; long int size_b0;
/* enable SDRAM clock ("switch on" SDRAM) */ /* enable SDRAM clock ("switch on" SDRAM) */
immr->im_cpm.cp_pbpar &= ~(CFG_PB_SDRAM_CLKE); /* GPIO */ immr->im_cpm.cp_pbpar &= ~(CFG_PB_SDRAM_CLKE); /* GPIO */
immr->im_cpm.cp_pbodr &= ~(CFG_PB_SDRAM_CLKE); /* active output */ immr->im_cpm.cp_pbodr &= ~(CFG_PB_SDRAM_CLKE); /* active output */
immr->im_cpm.cp_pbdir |= CFG_PB_SDRAM_CLKE ; /* output */ immr->im_cpm.cp_pbdir |= CFG_PB_SDRAM_CLKE; /* output */
immr->im_cpm.cp_pbdat |= CFG_PB_SDRAM_CLKE ; /* assert SDRAM CLKE */ immr->im_cpm.cp_pbdat |= CFG_PB_SDRAM_CLKE; /* assert SDRAM CLKE */
udelay(1); udelay (1);
/* /*
* Map controller bank 1 for ELIC SACCO * Map controller bank 1 for ELIC SACCO
*/ */
memctl->memc_or1 = CFG_OR1; memctl->memc_or1 = CFG_OR1;
memctl->memc_br1 = CFG_BR1; memctl->memc_br1 = CFG_BR1;
/* /*
* Map controller bank 2 for ELIC EPIC * Map controller bank 2 for ELIC EPIC
*/ */
memctl->memc_or2 = CFG_OR2; memctl->memc_or2 = CFG_OR2;
memctl->memc_br2 = CFG_BR2; memctl->memc_br2 = CFG_BR2;
/* /*
* Configure UPMA for SHARC * Configure UPMA for SHARC
*/ */
upmconfig(UPMA, (uint *)sharc_table, sizeof(sharc_table)/sizeof(uint)); upmconfig (UPMA, (uint *) sharc_table,
sizeof (sharc_table) / sizeof (uint));
#if defined(CONFIG_IVML24) #if defined(CONFIG_IVML24)
/* /*
* Map controller bank 4 for HDLC Address space * Map controller bank 4 for HDLC Address space
*/ */
memctl->memc_or4 = CFG_OR4; memctl->memc_or4 = CFG_OR4;
memctl->memc_br4 = CFG_BR4; memctl->memc_br4 = CFG_BR4;
#endif #endif
/* /*
* Map controller bank 5 for SHARC * Map controller bank 5 for SHARC
*/ */
memctl->memc_or5 = CFG_OR5; memctl->memc_or5 = CFG_OR5;
memctl->memc_br5 = CFG_BR5; memctl->memc_br5 = CFG_BR5;
memctl->memc_mamr = 0x00001000; memctl->memc_mamr = 0x00001000;
/* /*
* Configure UPMB for SDRAM * Configure UPMB for SDRAM
*/ */
upmconfig(UPMB, (uint *)sdram_table, sizeof(sdram_table)/sizeof(uint)); upmconfig (UPMB, (uint *) sdram_table,
sizeof (sdram_table) / sizeof (uint));
memctl->memc_mptpr = CFG_MPTPR_1BK_8K; memctl->memc_mptpr = CFG_MPTPR_1BK_8K;
memctl->memc_mar = 0x00000088; memctl->memc_mar = 0x00000088;
/* /*
* Map controller bank 3 to the SDRAM bank at preliminary address. * Map controller bank 3 to the SDRAM bank at preliminary address.
*/ */
memctl->memc_or3 = CFG_OR3_PRELIM; memctl->memc_or3 = CFG_OR3_PRELIM;
memctl->memc_br3 = CFG_BR3_PRELIM; memctl->memc_br3 = CFG_BR3_PRELIM;
memctl->memc_mbmr = CFG_MBMR_8COL; /* refresh not enabled yet */ memctl->memc_mbmr = CFG_MBMR_8COL; /* refresh not enabled yet */
udelay(200); udelay (200);
memctl->memc_mcr = 0x80806105; /* precharge */ memctl->memc_mcr = 0x80806105; /* precharge */
udelay(1); udelay (1);
memctl->memc_mcr = 0x80806106; /* load mode register */ memctl->memc_mcr = 0x80806106; /* load mode register */
udelay(1); udelay (1);
memctl->memc_mcr = 0x80806130; /* autorefresh */ memctl->memc_mcr = 0x80806130; /* autorefresh */
udelay(1); udelay (1);
memctl->memc_mcr = 0x80806130; /* autorefresh */ memctl->memc_mcr = 0x80806130; /* autorefresh */
udelay(1); udelay (1);
memctl->memc_mcr = 0x80806130; /* autorefresh */ memctl->memc_mcr = 0x80806130; /* autorefresh */
udelay(1); udelay (1);
memctl->memc_mcr = 0x80806130; /* autorefresh */ memctl->memc_mcr = 0x80806130; /* autorefresh */
udelay(1); udelay (1);
memctl->memc_mcr = 0x80806130; /* autorefresh */ memctl->memc_mcr = 0x80806130; /* autorefresh */
udelay(1); udelay (1);
memctl->memc_mcr = 0x80806130; /* autorefresh */ memctl->memc_mcr = 0x80806130; /* autorefresh */
udelay(1); udelay (1);
memctl->memc_mcr = 0x80806130; /* autorefresh */ memctl->memc_mcr = 0x80806130; /* autorefresh */
udelay(1); udelay (1);
memctl->memc_mcr = 0x80806130; /* autorefresh */ memctl->memc_mcr = 0x80806130; /* autorefresh */
memctl->memc_mbmr |= MBMR_PTBE; /* refresh enabled */ memctl->memc_mbmr |= MBMR_PTBE; /* refresh enabled */
/* /*
* Check Bank 0 Memory Size for re-configuration * Check Bank 0 Memory Size for re-configuration
*/ */
size_b0 = dram_size (CFG_MBMR_8COL, (ulong *)SDRAM_BASE3_PRELIM, SDRAM_MAX_SIZE); size_b0 =
dram_size (CFG_MBMR_8COL, (ulong *) SDRAM_BASE3_PRELIM,
SDRAM_MAX_SIZE);
memctl->memc_mbmr = CFG_MBMR_8COL | MBMR_PTBE; memctl->memc_mbmr = CFG_MBMR_8COL | MBMR_PTBE;
return (size_b0); return (size_b0);
} }
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */
@ -268,60 +269,29 @@ initdram (int board_type)
* - short between data lines * - short between data lines
*/ */
static long int dram_size (long int mamr_value, long int *base, long int maxsize) static long int dram_size (long int mamr_value, long int *base,
long int maxsize)
{ {
volatile immap_t *immr = (immap_t *)CFG_IMMR; volatile immap_t *immr = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &immr->im_memctl; volatile memctl8xx_t *memctl = &immr->im_memctl;
volatile long int *addr;
ulong cnt, val;
ulong save[32]; /* to make test non-destructive */
unsigned char i = 0;
memctl->memc_mbmr = mamr_value; memctl->memc_mbmr = mamr_value;
for (cnt = maxsize/sizeof(long); cnt > 0; cnt >>= 1) { return (get_ram_size (base, maxsize));
addr = base + cnt; /* pointer arith! */
save[i++] = *addr;
*addr = ~cnt;
}
/* write 0 to base address */
addr = base;
save[i] = *addr;
*addr = 0;
/* check at base address */
if ((val = *addr) != 0) {
*addr = save[i];
return (0);
}
for (cnt = 1; cnt <= maxsize/sizeof(long); cnt <<= 1) {
addr = base + cnt; /* pointer arith! */
val = *addr;
*addr = save[--i];
if (val != (~cnt)) {
return (cnt * sizeof(long));
}
}
return (maxsize);
} }
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */
void reset_phy(void) void reset_phy (void)
{ {
immap_t *immr = (immap_t *)CFG_IMMR; immap_t *immr = (immap_t *) CFG_IMMR;
/* De-assert Ethernet Powerdown */ /* De-assert Ethernet Powerdown */
immr->im_cpm.cp_pbpar &= ~(CFG_PB_ETH_POWERDOWN); /* GPIO */ immr->im_cpm.cp_pbpar &= ~(CFG_PB_ETH_POWERDOWN); /* GPIO */
immr->im_cpm.cp_pbodr &= ~(CFG_PB_ETH_POWERDOWN); /* active output */ immr->im_cpm.cp_pbodr &= ~(CFG_PB_ETH_POWERDOWN); /* active output */
immr->im_cpm.cp_pbdir |= CFG_PB_ETH_POWERDOWN ; /* output */ immr->im_cpm.cp_pbdir |= CFG_PB_ETH_POWERDOWN; /* output */
immr->im_cpm.cp_pbdat &= ~(CFG_PB_ETH_POWERDOWN); /* Enable PHY power */ immr->im_cpm.cp_pbdat &= ~(CFG_PB_ETH_POWERDOWN); /* Enable PHY power */
udelay(1000); udelay (1000);
/* /*
* RESET is implemented by a positive pulse of at least 1 us * RESET is implemented by a positive pulse of at least 1 us
@ -330,15 +300,15 @@ void reset_phy(void)
* Configure RESET pins for NS DP83843 PHY, and RESET chip. * Configure RESET pins for NS DP83843 PHY, and RESET chip.
* *
* Note: The RESET pin is high active, but there is an * Note: The RESET pin is high active, but there is an
* inverter on the SPD823TS board... * inverter on the SPD823TS board...
*/ */
immr->im_ioport.iop_pcpar &= ~(CFG_PC_ETH_RESET); immr->im_ioport.iop_pcpar &= ~(CFG_PC_ETH_RESET);
immr->im_ioport.iop_pcdir |= CFG_PC_ETH_RESET; immr->im_ioport.iop_pcdir |= CFG_PC_ETH_RESET;
/* assert RESET signal of PHY */ /* assert RESET signal of PHY */
immr->im_ioport.iop_pcdat &= ~(CFG_PC_ETH_RESET); immr->im_ioport.iop_pcdat &= ~(CFG_PC_ETH_RESET);
udelay (10); udelay (10);
/* de-assert RESET signal of PHY */ /* de-assert RESET signal of PHY */
immr->im_ioport.iop_pcdat |= CFG_PC_ETH_RESET; immr->im_ioport.iop_pcdat |= CFG_PC_ETH_RESET;
udelay (10); udelay (10);
} }
@ -350,19 +320,19 @@ void show_boot_progress (int status)
# if defined(STATUS_LED_YELLOW) # if defined(STATUS_LED_YELLOW)
status_led_set (STATUS_LED_YELLOW, status_led_set (STATUS_LED_YELLOW,
(status < 0) ? STATUS_LED_ON : STATUS_LED_OFF); (status < 0) ? STATUS_LED_ON : STATUS_LED_OFF);
# endif /* STATUS_LED_YELLOW */ # endif /* STATUS_LED_YELLOW */
# if defined(STATUS_LED_BOOT) # if defined(STATUS_LED_BOOT)
if (status == 6) if (status == 6)
status_led_set(STATUS_LED_BOOT, STATUS_LED_OFF); status_led_set (STATUS_LED_BOOT, STATUS_LED_OFF);
# endif /* STATUS_LED_BOOT */ # endif /* STATUS_LED_BOOT */
#endif /* CONFIG_STATUS_LED */ #endif /* CONFIG_STATUS_LED */
} }
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */
void ide_set_reset(int on) void ide_set_reset (int on)
{ {
volatile immap_t *immr = (immap_t *)CFG_IMMR; volatile immap_t *immr = (immap_t *) CFG_IMMR;
/* /*
* Configure PC for IDE Reset Pin * Configure PC for IDE Reset Pin
@ -370,13 +340,13 @@ void ide_set_reset(int on)
if (on) { /* assert RESET */ if (on) { /* assert RESET */
immr->im_ioport.iop_pcdat &= ~(CFG_PC_IDE_RESET); immr->im_ioport.iop_pcdat &= ~(CFG_PC_IDE_RESET);
} else { /* release RESET */ } else { /* release RESET */
immr->im_ioport.iop_pcdat |= CFG_PC_IDE_RESET; immr->im_ioport.iop_pcdat |= CFG_PC_IDE_RESET;
} }
/* program port pin as GPIO output */ /* program port pin as GPIO output */
immr->im_ioport.iop_pcpar &= ~(CFG_PC_IDE_RESET); immr->im_ioport.iop_pcpar &= ~(CFG_PC_IDE_RESET);
immr->im_ioport.iop_pcso &= ~(CFG_PC_IDE_RESET); immr->im_ioport.iop_pcso &= ~(CFG_PC_IDE_RESET);
immr->im_ioport.iop_pcdir |= CFG_PC_IDE_RESET; immr->im_ioport.iop_pcdir |= CFG_PC_IDE_RESET;
} }
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */

34
board/kup4k/kup4k.c
View file

@ -230,42 +230,10 @@ static long int dram_size (long int mamr_value, long int *base,
{ {
volatile immap_t *immap = (immap_t *) CFG_IMMR; volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl; volatile memctl8xx_t *memctl = &immap->im_memctl;
volatile long int *addr;
ulong cnt, val;
ulong save[32]; /* to make test non-destructive */
unsigned char i = 0;
memctl->memc_mamr = mamr_value; memctl->memc_mamr = mamr_value;
for (cnt = maxsize / sizeof (long); cnt > 0; cnt >>= 1) { return(get_ram_size(base, maxsize));
addr = base + cnt; /* pointer arith! */
save[i++] = *addr;
*addr = ~cnt;
}
/* write 0 to base address */
addr = base;
save[i] = *addr;
*addr = 0;
/* check at base address */
if ((val = *addr) != 0) {
*addr = save[i];
return (0);
}
for (cnt = 1; cnt <= maxsize / sizeof (long); cnt <<= 1) {
addr = base + cnt; /* pointer arith! */
val = *addr;
*addr = save[--i];
if (val != (~cnt)) {
return (cnt * sizeof (long));
}
}
return (maxsize);
} }
#endif #endif

116
board/lantec/lantec.c
View file

@ -39,13 +39,12 @@ static long int dram_size (long int, long int *, long int);
#define _NOT_USED_ 0xFFFFFFFF #define _NOT_USED_ 0xFFFFFFFF
const uint sdram_table[] = const uint sdram_table[] = {
{
/* /*
* Single Read. (Offset 0 in UPMA RAM) * Single Read. (Offset 0 in UPMA RAM)
*/ */
0x1f07fc04, 0xeeaefc04, 0x11adfc04, 0xefbbbc00, 0x1f07fc04, 0xeeaefc04, 0x11adfc04, 0xefbbbc00,
0x1ff77c47, /* last */ 0x1ff77c47, /* last */
/* /*
* SDRAM Initialization (offset 5 in UPMA RAM) * SDRAM Initialization (offset 5 in UPMA RAM)
* *
@ -54,39 +53,39 @@ const uint sdram_table[] =
* sequence, which is executed by a RUN command. * sequence, which is executed by a RUN command.
* *
*/ */
0x1ff77c35, 0xefeabc34, 0x1fb57c35, /* last */ 0x1ff77c35, 0xefeabc34, 0x1fb57c35, /* last */
/* /*
* Burst Read. (Offset 8 in UPMA RAM) * Burst Read. (Offset 8 in UPMA RAM)
*/ */
0x1f07fc04, 0xeeaefc04, 0x10adfc04, 0xf0affc00, 0x1f07fc04, 0xeeaefc04, 0x10adfc04, 0xf0affc00,
0xf0affc00, 0xf1affc00, 0xefbbbc00, 0x1ff77c47, /* last */ 0xf0affc00, 0xf1affc00, 0xefbbbc00, 0x1ff77c47, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* /*
* Single Write. (Offset 18 in UPMA RAM) * Single Write. (Offset 18 in UPMA RAM)
*/ */
0x1f27fc04, 0xeeaebc00, 0x01b93c04, 0x1ff77c47, /* last */ 0x1f27fc04, 0xeeaebc00, 0x01b93c04, 0x1ff77c47, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* /*
* Burst Write. (Offset 20 in UPMA RAM) * Burst Write. (Offset 20 in UPMA RAM)
*/ */
0x1f07fc04, 0xeeaebc00, 0x10ad7c00, 0xf0affc00, 0x1f07fc04, 0xeeaebc00, 0x10ad7c00, 0xf0affc00,
0xf0affc00, 0xe1bbbc04, 0x1ff77c47, /* last */ 0xf0affc00, 0xe1bbbc04, 0x1ff77c47, /* last */
_NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* /*
* Refresh (Offset 30 in UPMA RAM) * Refresh (Offset 30 in UPMA RAM)
*/ */
0x1ff5fc84, 0xfffffc04, 0xfffffc04, 0xfffffc04, 0x1ff5fc84, 0xfffffc04, 0xfffffc04, 0xfffffc04,
0xfffffc84, 0xfffffc07, 0xfffffc07, /* last */ 0xfffffc84, 0xfffffc07, 0xfffffc07, /* last */
_NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* /*
* Exception. (Offset 3c in UPMA RAM) * Exception. (Offset 3c in UPMA RAM)
*/ */
0x7ffffc07, /* last */ 0x7ffffc07, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
}; };
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */
@ -104,7 +103,7 @@ const uint sdram_table[] =
int checkboard (void) int checkboard (void)
{ {
printf("Board: Lantec special edition rev.%d\n", CONFIG_LANTEC); printf ("Board: Lantec special edition rev.%d\n", CONFIG_LANTEC);
return 0; return 0;
} }
@ -112,7 +111,7 @@ int checkboard (void)
long int initdram (int board_type) long int initdram (int board_type)
{ {
volatile immap_t *immap = (immap_t *)CFG_IMMR; volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl; volatile memctl8xx_t *memctl = &immap->im_memctl;
long int size_b0; long int size_b0;
int i; int i;
@ -120,16 +119,17 @@ long int initdram (int board_type)
/* /*
* Configure UPMA for SDRAM * Configure UPMA for SDRAM
*/ */
upmconfig(UPMA, (uint *)sdram_table, sizeof(sdram_table)/sizeof(uint)); upmconfig (UPMA, (uint *) sdram_table,
sizeof (sdram_table) / sizeof (uint));
memctl->memc_mptpr = CFG_MPTPR_1BK_8K /* XXX CFG_MPTPR XXX */; memctl->memc_mptpr = CFG_MPTPR_1BK_8K /* XXX CFG_MPTPR XXX */ ;
/* burst length=4, burst type=sequential, CAS latency=2 */ /* burst length=4, burst type=sequential, CAS latency=2 */
memctl->memc_mar = 0x00000088; memctl->memc_mar = 0x00000088;
/* /*
* Map controller bank 3 to the SDRAM bank at preliminary address. * Map controller bank 3 to the SDRAM bank at preliminary address.
*/ */
memctl->memc_or3 = CFG_OR3_PRELIM; memctl->memc_or3 = CFG_OR3_PRELIM;
memctl->memc_br3 = CFG_BR3_PRELIM; memctl->memc_br3 = CFG_BR3_PRELIM;
@ -137,26 +137,30 @@ long int initdram (int board_type)
memctl->memc_mamr = CFG_MAMR_8COL; /* refresh not enabled yet */ memctl->memc_mamr = CFG_MAMR_8COL; /* refresh not enabled yet */
/* mode initialization (offset 5) */ /* mode initialization (offset 5) */
udelay(200); /* 0x80006105 */ udelay (200); /* 0x80006105 */
memctl->memc_mcr = MCR_OP_RUN | MCR_MB_CS3 | MCR_MLCF(1) | MCR_MAD(0x05); memctl->memc_mcr =
MCR_OP_RUN | MCR_MB_CS3 | MCR_MLCF (1) | MCR_MAD (0x05);
/* run 2 refresh sequence with 4-beat refresh burst (offset 0x30) */ /* run 2 refresh sequence with 4-beat refresh burst (offset 0x30) */
udelay(1); /* 0x80006130 */ udelay (1); /* 0x80006130 */
memctl->memc_mcr = MCR_OP_RUN | MCR_MB_CS3 | MCR_MLCF(1) | MCR_MAD(0x30); memctl->memc_mcr =
udelay(1); /* 0x80006130 */ MCR_OP_RUN | MCR_MB_CS3 | MCR_MLCF (1) | MCR_MAD (0x30);
memctl->memc_mcr = MCR_OP_RUN | MCR_MB_CS3 | MCR_MLCF(1) | MCR_MAD(0x30); udelay (1); /* 0x80006130 */
memctl->memc_mcr =
MCR_OP_RUN | MCR_MB_CS3 | MCR_MLCF (1) | MCR_MAD (0x30);
udelay(1); /* 0x80006106 */ udelay (1); /* 0x80006106 */
memctl->memc_mcr = MCR_OP_RUN | MCR_MB_CS3 | MCR_MLCF(1) | MCR_MAD(0x06); memctl->memc_mcr =
MCR_OP_RUN | MCR_MB_CS3 | MCR_MLCF (1) | MCR_MAD (0x06);
memctl->memc_mamr |= MAMR_PTAE; /* refresh enabled */ memctl->memc_mamr |= MAMR_PTAE; /* refresh enabled */
udelay(200); udelay (200);
/* Need at least 10 DRAM accesses to stabilize */ /* Need at least 10 DRAM accesses to stabilize */
for (i=0; i<10; ++i) { for (i = 0; i < 10; ++i) {
volatile unsigned long *addr = \ volatile unsigned long *addr =
(volatile unsigned long *)SDRAM_BASE3_PRELIM; (volatile unsigned long *) SDRAM_BASE3_PRELIM;
unsigned long val; unsigned long val;
val = *(addr + i); val = *(addr + i);
@ -164,11 +168,10 @@ long int initdram (int board_type)
} }
/* /*
* Check Bank 0 Memory Size for re-configuration * Check Bank 0 Memory Size for re-configuration
*/ */
size_b0 = dram_size (CFG_MAMR_8COL, size_b0 = dram_size (CFG_MAMR_8COL,
(ulong *)SDRAM_BASE3_PRELIM, (ulong *) SDRAM_BASE3_PRELIM, SDRAM_MAX_SIZE);
SDRAM_MAX_SIZE);
memctl->memc_mamr = CFG_MAMR_8COL | MAMR_PTAE; memctl->memc_mamr = CFG_MAMR_8COL | MAMR_PTAE;
@ -178,7 +181,7 @@ long int initdram (int board_type)
memctl->memc_or3 = ((-size_b0) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM; memctl->memc_or3 = ((-size_b0) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM;
memctl->memc_br3 = (CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V; memctl->memc_br3 = (CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V;
udelay(1000); udelay (1000);
return (size_b0); return (size_b0);
} }
@ -193,44 +196,13 @@ long int initdram (int board_type)
* - short between data lines * - short between data lines
*/ */
static long int dram_size (long int mamr_value, long int *base, long int maxsize) static long int dram_size (long int mamr_value, long int *base,
long int maxsize)
{ {
volatile immap_t *immap = (immap_t *)CFG_IMMR; volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl; volatile memctl8xx_t *memctl = &immap->im_memctl;
volatile long int *addr;
ulong cnt, val;
ulong save[32]; /* to make test non-destructive */
unsigned char i = 0;
memctl->memc_mamr = mamr_value; memctl->memc_mamr = mamr_value;
for (cnt = maxsize/sizeof(long); cnt > 0; cnt >>= 1) { return (get_ram_size (base, maxsize));
addr = base + cnt; /* pointer arith! */
save[i++] = *addr;
*addr = ~cnt;
}
/* write 0 to base address */
addr = base;
save[i] = *addr;
*addr = 0;
/* check at base address */
if ((val = *addr) != 0) {
*addr = save[i];
return (0);
}
for (cnt = 1; cnt <= maxsize/sizeof(long); cnt <<= 1) {
addr = base + cnt; /* pointer arith! */
val = *addr;
*addr = save[--i];
if (val != (~cnt)) {
return (cnt * sizeof(long));
}
}
return (maxsize);
} }

34
board/lwmon/lwmon.c
View file

@ -326,42 +326,10 @@ static long int dram_size (long int mamr_value, long int *base, long int maxsize
{ {
volatile immap_t *immr = (immap_t *) CFG_IMMR; volatile immap_t *immr = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &immr->im_memctl; volatile memctl8xx_t *memctl = &immr->im_memctl;
volatile long int *addr;
ulong cnt, val;
ulong save[32]; /* to make test non-destructive */
unsigned char i = 0;
memctl->memc_mamr = mamr_value; memctl->memc_mamr = mamr_value;
for (cnt = maxsize / sizeof (long); cnt > 0; cnt >>= 1) { return (get_ram_size(base, maxsize));
addr = base + cnt; /* pointer arith! */
save[i++] = *addr;
*addr = ~cnt;
}
/* write 0 to base address */
addr = base;
save[i] = *addr;
*addr = 0;
/* check at base address */
if ((val = *addr) != 0) {
*addr = save[i];
return (0);
}
for (cnt = 1; cnt <= maxsize / sizeof (long); cnt <<= 1) {
addr = base + cnt; /* pointer arith! */
val = *addr;
*addr = save[--i];
if (val != (~cnt)) {
return (cnt * sizeof (long));
}
}
return (maxsize);
} }
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */

56
board/musenki/musenki.c
View file

@ -47,50 +47,24 @@ int checkflash (void)
long int initdram (int board_type) long int initdram (int board_type)
{ {
int i, cnt; long size;
volatile uchar * base= CFG_SDRAM_BASE; long new_bank0_end;
volatile ulong * addr; long mear1;
ulong save[32]; long emear1;
ulong val, ret = 0;
for (i=0, cnt=(CFG_MAX_RAM_SIZE / sizeof(long)) >> 1; cnt > 0; cnt >>= 1) { size = get_ram_size(CFG_SDRAM_BASE, CFG_MAX_RAM_SIZE);
addr = (volatile ulong *)base + cnt;
save[i++] = *addr;
*addr = ~cnt;
}
addr = (volatile ulong *)base; new_bank0_end = size - 1;
save[i] = *addr; mear1 = mpc824x_mpc107_getreg(MEAR1);
*addr = 0; emear1 = mpc824x_mpc107_getreg(EMEAR1);
mear1 = (mear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT);
emear1 = (emear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT);
mpc824x_mpc107_setreg(MEAR1, mear1);
mpc824x_mpc107_setreg(EMEAR1, emear1);
if (*addr != 0) { return (size);
*addr = save[i];
goto Done;
}
for (cnt = 1; cnt <= CFG_MAX_RAM_SIZE / sizeof(long); cnt <<= 1) {
addr = (volatile ulong *)base + cnt;
val = *addr;
*addr = save[--i];
if (val != ~cnt) {
ulong new_bank0_end = cnt * sizeof(long) - 1;
ulong mear1 = mpc824x_mpc107_getreg(MEAR1);
ulong emear1 = mpc824x_mpc107_getreg(EMEAR1);
mear1 = (mear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT);
emear1 = (emear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT);
mpc824x_mpc107_setreg(MEAR1, mear1);
mpc824x_mpc107_setreg(EMEAR1, emear1);
ret = cnt * sizeof(long);
goto Done;
}
}
ret = CFG_MAX_RAM_SIZE;
Done:
return ret;
} }
/* /*

59
board/mvblue/mvblue.c
View file

@ -77,53 +77,24 @@ int checkboard (void)
long int initdram (int board_type) long int initdram (int board_type)
{ {
int i, cnt; long size;
volatile uchar *base = CFG_SDRAM_BASE; long new_bank0_end;
volatile ulong *addr; long mear1;
ulong save[32]; long emear1;
ulong val, ret = 0;
for (i = 0, cnt = (CFG_MAX_RAM_SIZE / sizeof (long)) >> 1; cnt > 0; size = get_ram_size(CFG_SDRAM_BASE, CFG_MAX_RAM_SIZE);
cnt >>= 1) {
addr = (volatile ulong *) base + cnt;
save[i++] = *addr;
*addr = ~cnt;
}
addr = (volatile ulong *) base; new_bank0_end = size - 1;
save[i] = *addr; mear1 = mpc824x_mpc107_getreg(MEAR1);
*addr = 0; emear1 = mpc824x_mpc107_getreg(EMEAR1);
mear1 = (mear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT);
emear1 = (emear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT);
mpc824x_mpc107_setreg(MEAR1, mear1);
mpc824x_mpc107_setreg(EMEAR1, emear1);
if (*addr != 0) { return (size);
*addr = save[i];
goto Done;
}
for (cnt = 1; cnt <= CFG_MAX_RAM_SIZE / sizeof (long); cnt <<= 1) {
addr = (volatile ulong *) base + cnt;
val = *addr;
*addr = save[--i];
if (val != ~cnt) {
ulong new_bank0_end = cnt * sizeof (long) - 1;
ulong mear1 = mpc824x_mpc107_getreg (MEAR1);
ulong emear1 = mpc824x_mpc107_getreg (EMEAR1);
mear1 = (mear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >>
MICR_ADDR_SHIFT);
emear1 = (emear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >>
MICR_EADDR_SHIFT);
mpc824x_mpc107_setreg (MEAR1, mear1);
mpc824x_mpc107_setreg (EMEAR1, emear1);
ret = cnt * sizeof (long);
goto Done;
}
}
ret = CFG_MAX_RAM_SIZE;
Done:
return ret;
} }
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */

29
board/mvs1/mvs1.c
View file

@ -337,37 +337,10 @@ static long int dram_size (long int mamr_value, long int *base,
{ {
volatile immap_t *immap = (immap_t *) CFG_IMMR; volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl; volatile memctl8xx_t *memctl = &immap->im_memctl;
volatile long int *addr;
long int cnt, val;
memctl->memc_mamr = mamr_value; memctl->memc_mamr = mamr_value;
for (cnt = maxsize / sizeof (long); cnt > 0; cnt >>= 1) { return (get_ram_size(base, maxsize));
addr = base + cnt; /* pointer arith! */
*addr = ~cnt;
}
/* write 0 to base address */
addr = base;
*addr = 0;
/* check at base address */
if ((val = *addr) != 0) {
return (0);
}
for (cnt = 1;; cnt <<= 1) {
addr = base + cnt; /* pointer arith! */
val = *addr;
if (val != (~cnt)) {
return (cnt * sizeof (long));
}
}
/* NOTREACHED */
} }

456
board/nx823/nx823.c
View file

@ -36,16 +36,12 @@ static long int dram_size (long int, long int *, long int);
#define _NOT_USED_ 0xFFFFFFFF #define _NOT_USED_ 0xFFFFFFFF
const uint sdram_table[] = const uint sdram_table[] = {
{
#if (MPC8XX_SPEED <= 50000000L) #if (MPC8XX_SPEED <= 50000000L)
/* /*
* Single Read. (Offset 0 in UPMA RAM) * Single Read. (Offset 0 in UPMA RAM)
*/ */
0x0F07EC04, 0x0F07EC04, 0x01BBD804, 0x1FF7F440, 0xFFFFFC07,
0x01BBD804,
0x1FF7F440,
0xFFFFFC07,
0xFFFFFFFF, 0xFFFFFFFF,
/* /*
@ -56,95 +52,47 @@ const uint sdram_table[] =
* sequence, which is executed by a RUN command. * sequence, which is executed by a RUN command.
* *
*/ */
0x1FE7F434, 0x1FE7F434, 0xEFABE834, 0x1FA7D435,
0xEFABE834,
0x1FA7D435,
/* /*
* Burst Read. (Offset 8 in UPMA RAM) * Burst Read. (Offset 8 in UPMA RAM)
*/ */
0x0F07EC04, 0x0F07EC04, 0x10EFDC04, 0xF0AFFC00, 0xF0AFFC00,
0x10EFDC04, 0xF1AFFC00, 0xFFAFFC40, 0xFFAFFC07, 0xFFFFFFFF,
0xF0AFFC00, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
0xF0AFFC00, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
0xF1AFFC00,
0xFFAFFC40,
0xFFAFFC07,
0xFFFFFFFF,
0xFFFFFFFF,
0xFFFFFFFF,
0xFFFFFFFF,
0xFFFFFFFF,
0xFFFFFFFF,
0xFFFFFFFF,
0xFFFFFFFF,
0xFFFFFFFF,
/* /*
* Single Write. (Offset 18 in UPMA RAM) * Single Write. (Offset 18 in UPMA RAM)
*/ */
0x0E07E804, 0x0E07E804, 0x01BBD000, 0x1FF7F447, 0xFFFFFFFF,
0x01BBD000, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
0x1FF7F447,
0xFFFFFFFF,
0xFFFFFFFF,
0xFFFFFFFF,
0xFFFFFFFF,
0xFFFFFFFF,
/* /*
* Burst Write. (Offset 20 in UPMA RAM) * Burst Write. (Offset 20 in UPMA RAM)
*/ */
0x0E07E800, 0x0E07E800, 0x10EFD400, 0xF0AFFC00, 0xF0AFFC00,
0x10EFD400, 0xF1AFFC47, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
0xF0AFFC00, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
0xF0AFFC00, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
0xF1AFFC47,
0xFFFFFFFF,
0xFFFFFFFF,
0xFFFFFFFF,
0xFFFFFFFF,
0xFFFFFFFF,
0xFFFFFFFF,
0xFFFFFFFF,
0xFFFFFFFF,
0xFFFFFFFF,
0xFFFFFFFF,
0xFFFFFFFF,
/* /*
* Refresh (Offset 30 in UPMA RAM) * Refresh (Offset 30 in UPMA RAM)
*/ */
0x1FF7DC84, 0x1FF7DC84, 0xFFFFFC04, 0xFFFFFC84, 0xFFFFFC07,
0xFFFFFC04, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
0xFFFFFC84, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
0xFFFFFC07,
0xFFFFFFFF,
0xFFFFFFFF,
0xFFFFFFFF,
0xFFFFFFFF,
0xFFFFFFFF,
0xFFFFFFFF,
0xFFFFFFFF,
0xFFFFFFFF,
/* /*
* Exception. (Offset 3c in UPMA RAM) * Exception. (Offset 3c in UPMA RAM)
*/ */
0x7FFFFC07, 0x7FFFFC07, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF
0xFFFFFFFF,
0xFFFFFFFF,
0xFFFFFFFF
#else #else
/* /*
* Single Read. (Offset 0 in UPMA RAM) * Single Read. (Offset 0 in UPMA RAM)
*/ */
0x1F07FC04, 0x1F07FC04, 0xEEAFEC04, 0x11AFDC04, 0xEFBBF800,
0xEEAFEC04,
0x11AFDC04,
0xEFBBF800,
0x1FF7F447, 0x1FF7F447,
/* /*
@ -155,55 +103,35 @@ const uint sdram_table[] =
* sequence, which is executed by a RUN command. * sequence, which is executed by a RUN command.
* *
*/ */
0x1FF7F434, 0x1FF7F434, 0xEFEBE834, 0x1FB7D435,
0xEFEBE834,
0x1FB7D435,
/* /*
* Burst Read. (Offset 8 in UPMA RAM) * Burst Read. (Offset 8 in UPMA RAM)
*/ */
0x1F07FC04, 0x1F07FC04, 0xEEAFEC04, 0x10AFDC04, 0xF0AFFC00,
0xEEAFEC04, 0xF0AFFC00, 0xF1AFFC00, 0xEFBBF800, 0x1FF7F447,
0x10AFDC04,
0xF0AFFC00,
0xF0AFFC00,
0xF1AFFC00,
0xEFBBF800,
0x1FF7F447,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* /*
* Single Write. (Offset 18 in UPMA RAM) * Single Write. (Offset 18 in UPMA RAM)
*/ */
0x1F07FC04, 0x1F07FC04, 0xEEAFE800, 0x01BBD004, 0x1FF7F447,
0xEEAFE800,
0x01BBD004,
0x1FF7F447,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* /*
* Burst Write. (Offset 20 in UPMA RAM) * Burst Write. (Offset 20 in UPMA RAM)
*/ */
0x1F07FC04, 0x1F07FC04, 0xEEAFE800, 0x10AFD400, 0xF0AFFC00,
0xEEAFE800, 0xF0AFFC00, 0xE1BBF804, 0x1FF7F447, _NOT_USED_,
0x10AFD400, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
0xF0AFFC00,
0xF0AFFC00,
0xE1BBF804,
0x1FF7F447,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* /*
* Refresh (Offset 30 in UPMA RAM) * Refresh (Offset 30 in UPMA RAM)
*/ */
0x1FF7DC84, 0x1FF7DC84, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04,
0xFFFFFC04, 0xFFFFFC84, 0xFFFFFC07,
0xFFFFFC04,
0xFFFFFC04,
0xFFFFFC84,
0xFFFFFC07,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
@ -211,7 +139,7 @@ const uint sdram_table[] =
* Exception. (Offset 3c in UPMA RAM) * Exception. (Offset 3c in UPMA RAM)
*/ */
0x7FFFFC07, /* last */ 0x7FFFFC07, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
#endif #endif
}; };
@ -225,91 +153,94 @@ const uint sdram_table[] =
int checkboard (void) int checkboard (void)
{ {
printf ("Board: Nexus NX823"); printf ("Board: Nexus NX823");
return (0); return (0);
} }
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */
long int initdram (int board_type) long int initdram (int board_type)
{ {
volatile immap_t *immap = (immap_t *)CFG_IMMR; volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl; volatile memctl8xx_t *memctl = &immap->im_memctl;
long int size_b0, size_b1, size8, size9; long int size_b0, size_b1, size8, size9;
upmconfig(UPMA, (uint *)sdram_table, sizeof(sdram_table)/sizeof(uint)); upmconfig (UPMA, (uint *) sdram_table,
sizeof (sdram_table) / sizeof (uint));
/* /*
* Up to 2 Banks of 64Mbit x 2 devices * Up to 2 Banks of 64Mbit x 2 devices
* Initial builds only have 1 * Initial builds only have 1
*/ */
memctl->memc_mptpr = CFG_MPTPR_1BK_4K; memctl->memc_mptpr = CFG_MPTPR_1BK_4K;
memctl->memc_mar = 0x00000088; memctl->memc_mar = 0x00000088;
/* /*
* Map controller SDRAM bank 0 * Map controller SDRAM bank 0
*/ */
memctl->memc_or1 = CFG_OR1_PRELIM; memctl->memc_or1 = CFG_OR1_PRELIM;
memctl->memc_br1 = CFG_BR1_PRELIM; memctl->memc_br1 = CFG_BR1_PRELIM;
memctl->memc_mamr = CFG_MAMR_8COL & (~(MAMR_PTAE)); /* no refresh yet */ memctl->memc_mamr = CFG_MAMR_8COL & (~(MAMR_PTAE)); /* no refresh yet */
udelay(200); udelay (200);
/* /*
* Map controller SDRAM bank 1 * Map controller SDRAM bank 1
*/ */
memctl->memc_or2 = CFG_OR2_PRELIM; memctl->memc_or2 = CFG_OR2_PRELIM;
memctl->memc_br2 = CFG_BR2_PRELIM; memctl->memc_br2 = CFG_BR2_PRELIM;
/* /*
* Perform SDRAM initializsation sequence * Perform SDRAM initializsation sequence
*/ */
memctl->memc_mcr = 0x80002105; /* SDRAM bank 0 */ memctl->memc_mcr = 0x80002105; /* SDRAM bank 0 */
udelay(1); udelay (1);
memctl->memc_mcr = 0x80002230; /* SDRAM bank 0 - execute twice */ memctl->memc_mcr = 0x80002230; /* SDRAM bank 0 - execute twice */
udelay(1); udelay (1);
memctl->memc_mcr = 0x80004105; /* SDRAM bank 1 */ memctl->memc_mcr = 0x80004105; /* SDRAM bank 1 */
udelay(1); udelay (1);
memctl->memc_mcr = 0x80004230; /* SDRAM bank 1 - execute twice */ memctl->memc_mcr = 0x80004230; /* SDRAM bank 1 - execute twice */
udelay(1); udelay (1);
memctl->memc_mamr |= MAMR_PTAE; /* enable refresh */ memctl->memc_mamr |= MAMR_PTAE; /* enable refresh */
udelay (1000); udelay (1000);
/* /*
* Preliminary prescaler for refresh (depends on number of * Preliminary prescaler for refresh (depends on number of
* banks): This value is selected for four cycles every 62.4 us * banks): This value is selected for four cycles every 62.4 us
* with two SDRAM banks or four cycles every 31.2 us with one * with two SDRAM banks or four cycles every 31.2 us with one
* bank. It will be adjusted after memory sizing. * bank. It will be adjusted after memory sizing.
*/ */
memctl->memc_mptpr = CFG_MPTPR_2BK_8K; memctl->memc_mptpr = CFG_MPTPR_2BK_8K;
memctl->memc_mar = 0x00000088; memctl->memc_mar = 0x00000088;
/* /*
* Check Bank 0 Memory Size for re-configuration * Check Bank 0 Memory Size for re-configuration
* *
* try 8 column mode * try 8 column mode
*/ */
size8 = dram_size (CFG_MAMR_8COL, (ulong *)SDRAM_BASE1_PRELIM, SDRAM_MAX_SIZE); size8 = dram_size (CFG_MAMR_8COL, (ulong *) SDRAM_BASE1_PRELIM,
SDRAM_MAX_SIZE);
udelay (1000); udelay (1000);
/* /*
* try 9 column mode * try 9 column mode
*/ */
size9 = dram_size (CFG_MAMR_9COL, (ulong *)SDRAM_BASE1_PRELIM, SDRAM_MAX_SIZE); size9 = dram_size (CFG_MAMR_9COL, (ulong *) SDRAM_BASE1_PRELIM,
SDRAM_MAX_SIZE);
if (size8 < size9) { /* leave configuration at 9 columns */ if (size8 < size9) { /* leave configuration at 9 columns */
size_b0 = size9; size_b0 = size9;
/* debug ("SDRAM Bank 0 in 9 column mode: %ld MB\n", size >> 20); */ /* debug ("SDRAM Bank 0 in 9 column mode: %ld MB\n", size >> 20); */
} else { /* back to 8 columns */ } else { /* back to 8 columns */
size_b0 = size8; size_b0 = size8;
memctl->memc_mamr = CFG_MAMR_8COL; memctl->memc_mamr = CFG_MAMR_8COL;
udelay(500); udelay (500);
/* debug ("SDRAM Bank 0 in 8 column mode: %ld MB\n", size >> 20); */ /* debug ("SDRAM Bank 0 in 8 column mode: %ld MB\n", size >> 20); */
} }
/* /*
* Check Bank 1 Memory Size * Check Bank 1 Memory Size
@ -317,83 +248,97 @@ long int initdram (int board_type)
* [9 column SDRAM may also be used in 8 column mode, * [9 column SDRAM may also be used in 8 column mode,
* but then only half the real size will be used.] * but then only half the real size will be used.]
*/ */
size_b1 = dram_size (memctl->memc_mamr, (ulong *)SDRAM_BASE2_PRELIM, size_b1 = dram_size (memctl->memc_mamr, (ulong *) SDRAM_BASE2_PRELIM,
SDRAM_MAX_SIZE); SDRAM_MAX_SIZE);
/* debug ("SDRAM Bank 1: %ld MB\n", size8 >> 20); */ /* debug ("SDRAM Bank 1: %ld MB\n", size8 >> 20); */
udelay (1000); udelay (1000);
/* /*
* Adjust refresh rate depending on SDRAM type, both banks * Adjust refresh rate depending on SDRAM type, both banks
* For types > 128 MBit leave it at the current (fast) rate * For types > 128 MBit leave it at the current (fast) rate
*/ */
if ((size_b0 < 0x02000000) && (size_b1 < 0x02000000)) { if ((size_b0 < 0x02000000) && (size_b1 < 0x02000000)) {
/* reduce to 15.6 us (62.4 us / quad) */ /* reduce to 15.6 us (62.4 us / quad) */
memctl->memc_mptpr = CFG_MPTPR_2BK_4K; memctl->memc_mptpr = CFG_MPTPR_2BK_4K;
udelay(1000); udelay (1000);
}
/*
* Final mapping: map bigger bank first
*/
if (size_b1 > size_b0) { /* SDRAM Bank 1 is bigger - map first */
memctl->memc_or2 = ((-size_b1) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM;
memctl->memc_br2 = (CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V;
if (size_b0 > 0) {
/*
* Position Bank 0 immediately above Bank 1
*/
memctl->memc_or1 = ((-size_b0) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM;
memctl->memc_br1 = ((CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V)
+ size_b1;
} else {
unsigned long reg;
/*
* No bank 0
*
* invalidate bank
*/
memctl->memc_br1 = 0;
/* adjust refresh rate depending on SDRAM type, one bank */
reg = memctl->memc_mptpr;
reg >>= 1; /* reduce to CFG_MPTPR_1BK_8K / _4K */
memctl->memc_mptpr = reg;
} }
} else { /* SDRAM Bank 0 is bigger - map first */ /*
* Final mapping: map bigger bank first
*/
if (size_b1 > size_b0) { /* SDRAM Bank 1 is bigger - map first */
memctl->memc_or1 = ((-size_b0) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM; memctl->memc_or2 =
memctl->memc_br1 = (CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V; ((-size_b1) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM;
memctl->memc_br2 =
(CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V;
if (size_b1 > 0) { if (size_b0 > 0) {
/* /*
* Position Bank 1 immediately above Bank 0 * Position Bank 0 immediately above Bank 1
*/ */
memctl->memc_or2 = ((-size_b1) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM; memctl->memc_or1 =
memctl->memc_br2 = ((CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V) ((-size_b0) & 0xFFFF0000) |
+ size_b0; CFG_OR_TIMING_SDRAM;
} else { memctl->memc_br1 =
unsigned long reg; ((CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA |
/* BR_V)
* No bank 1 + size_b1;
* } else {
* invalidate bank unsigned long reg;
*/
memctl->memc_br2 = 0;
/* adjust refresh rate depending on SDRAM type, one bank */ /*
reg = memctl->memc_mptpr; * No bank 0
reg >>= 1; /* reduce to CFG_MPTPR_1BK_8K / _4K */ *
memctl->memc_mptpr = reg; * invalidate bank
*/
memctl->memc_br1 = 0;
/* adjust refresh rate depending on SDRAM type, one bank */
reg = memctl->memc_mptpr;
reg >>= 1; /* reduce to CFG_MPTPR_1BK_8K / _4K */
memctl->memc_mptpr = reg;
}
} else { /* SDRAM Bank 0 is bigger - map first */
memctl->memc_or1 =
((-size_b0) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM;
memctl->memc_br1 =
(CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V;
if (size_b1 > 0) {
/*
* Position Bank 1 immediately above Bank 0
*/
memctl->memc_or2 =
((-size_b1) & 0xFFFF0000) |
CFG_OR_TIMING_SDRAM;
memctl->memc_br2 =
((CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA |
BR_V)
+ size_b0;
} else {
unsigned long reg;
/*
* No bank 1
*
* invalidate bank
*/
memctl->memc_br2 = 0;
/* adjust refresh rate depending on SDRAM type, one bank */
reg = memctl->memc_mptpr;
reg >>= 1; /* reduce to CFG_MPTPR_1BK_8K / _4K */
memctl->memc_mptpr = reg;
}
} }
}
udelay(10000); udelay (10000);
return (size_b0 + size_b1); return (size_b0 + size_b1);
} }
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */
@ -406,40 +351,15 @@ long int initdram (int board_type)
* - short between data lines * - short between data lines
*/ */
static long int dram_size (long int mamr_value, long int *base, long int maxsize) static long int dram_size (long int mamr_value, long int *base,
long int maxsize)
{ {
volatile immap_t *immap = (immap_t *)CFG_IMMR; volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl; volatile memctl8xx_t *memctl = &immap->im_memctl;
volatile long int *addr;
long int cnt, val;
memctl->memc_mamr = mamr_value; memctl->memc_mamr = mamr_value;
for (cnt = maxsize/sizeof(long); cnt > 0; cnt >>= 1) { return (get_ram_size (base, maxsize));
addr = base + cnt; /* pointer arith! */
*addr = ~cnt;
}
/* write 0 to base address */
addr = base;
*addr = 0;
/* check at base address */
if ((val = *addr) != 0) {
return (0);
}
for (cnt = 1; ; cnt <<= 1) {
addr = base + cnt; /* pointer arith! */
val = *addr;
if (val != (~cnt)) {
return (cnt * sizeof(long));
}
}
/* NOTREACHED */
} }
u_long *my_sernum; u_long *my_sernum;
@ -452,16 +372,16 @@ int misc_init_r (void)
u_char *e = gd->bd->bi_enetaddr; u_char *e = gd->bd->bi_enetaddr;
/* save serial numbre from flash (uniquely programmed) */ /* save serial numbre from flash (uniquely programmed) */
my_sernum = malloc(8); my_sernum = malloc (8);
memcpy(my_sernum,gd->bd->bi_sernum,8); memcpy (my_sernum, gd->bd->bi_sernum, 8);
/* save env variables according to sernum */ /* save env variables according to sernum */
sprintf(tmp,"%08lx%08lx",my_sernum[0],my_sernum[1]); sprintf (tmp, "%08lx%08lx", my_sernum[0], my_sernum[1]);
setenv("serial#",tmp); setenv ("serial#", tmp);
sprintf(tmp,"%02x:%02x:%02x:%02x:%02x:%02x" sprintf (tmp, "%02x:%02x:%02x:%02x:%02x:%02x", e[0], e[1], e[2], e[3],
,e[0],e[1],e[2],e[3],e[4],e[5]); e[4], e[5]);
setenv("ethaddr",tmp); setenv ("ethaddr", tmp);
return (0); return (0);
} }
@ -470,7 +390,7 @@ void load_sernum_ethaddr (void)
DECLARE_GLOBAL_DATA_PTR; DECLARE_GLOBAL_DATA_PTR;
int i; int i;
bd_t * bd = gd->bd; bd_t *bd = gd->bd;
for (i = 0; i < 8; i++) { for (i = 0; i < 8; i++) {
bd->bi_sernum[i] = *(u_char *) (CFG_FLASH_SN_BASE + i); bd->bi_sernum[i] = *(u_char *) (CFG_FLASH_SN_BASE + i);

56
board/oxc/oxc.c
View file

@ -35,50 +35,24 @@ int checkboard (void)
long int initdram (int board_type) long int initdram (int board_type)
{ {
#ifndef CFG_RAMBOOT #ifndef CFG_RAMBOOT
int i, cnt; long size;
volatile uchar * base= CFG_SDRAM_BASE; long new_bank0_end;
volatile ulong * addr; long mear1;
ulong save[32]; long emear1;
ulong val, ret = 0;
for (i=0, cnt=(CFG_MAX_RAM_SIZE / sizeof(long)) >> 1; cnt > 0; cnt >>= 1) { size = get_ram_size(CFG_SDRAM_BASE, CFG_MAX_RAM_SIZE);
addr = (volatile ulong *)base + cnt;
save[i++] = *addr;
*addr = ~cnt;
}
addr = (volatile ulong *)base; new_bank0_end = size - 1;
save[i] = *addr; mear1 = mpc824x_mpc107_getreg(MEAR1);
*addr = 0; emear1 = mpc824x_mpc107_getreg(EMEAR1);
mear1 = (mear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT);
emear1 = (emear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT);
mpc824x_mpc107_setreg(MEAR1, mear1);
mpc824x_mpc107_setreg(EMEAR1, emear1);
if (*addr != 0) { return (size);
*addr = save[i];
goto Done;
}
for (cnt = 1; cnt <= CFG_MAX_RAM_SIZE / sizeof(long); cnt <<= 1) {
addr = (volatile ulong *)base + cnt;
val = *addr;
*addr = save[--i];
if (val != ~cnt) {
ulong new_bank0_end = cnt * sizeof(long) - 1;
ulong mear1 = mpc824x_mpc107_getreg(MEAR1);
ulong emear1 = mpc824x_mpc107_getreg(EMEAR1);
mear1 = (mear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT);
emear1 = (emear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT);
mpc824x_mpc107_setreg(MEAR1, mear1);
mpc824x_mpc107_setreg(EMEAR1, emear1);
ret = cnt * sizeof(long);
goto Done;
}
}
ret = CFG_MAX_RAM_SIZE;
Done:
return ret;
#else #else
/* if U-Boot starts from RAM, then suppose we have 16Mb of RAM */ /* if U-Boot starts from RAM, then suppose we have 16Mb of RAM */
return (16 << 20); return (16 << 20);

41
board/pm826/pm826.c
View file

@ -221,13 +221,10 @@ static long int try_init (volatile memctl8260_t * memctl, ulong sdmr,
ulong orx, volatile uchar * base) ulong orx, volatile uchar * base)
{ {
volatile uchar c = 0xff; volatile uchar c = 0xff;
volatile ulong cnt, val;
volatile ulong *addr;
volatile uint *sdmr_ptr; volatile uint *sdmr_ptr;
volatile uint *orx_ptr; volatile uint *orx_ptr;
ulong maxsize, size;
int i; int i;
ulong save[32]; /* to make test non-destructive */
ulong maxsize;
/* We must be able to test a location outsize the maximum legal size /* We must be able to test a location outsize the maximum legal size
* to find out THAT we are outside; but this address still has to be * to find out THAT we are outside; but this address still has to be
@ -274,41 +271,11 @@ static long int try_init (volatile memctl8260_t * memctl, ulong sdmr,
*sdmr_ptr = sdmr | PSDMR_OP_NORM | PSDMR_RFEN; *sdmr_ptr = sdmr | PSDMR_OP_NORM | PSDMR_RFEN;
*base = c; *base = c;
/* size = get_ram_size((long *)base, maxsize);
* Check memory range for valid RAM. A simple memory test determines
* the actually available RAM size between addresses `base' and
* `base + maxsize'. Some (not all) hardware errors are detected:
* - short between address lines
* - short between data lines
*/
i = 0;
for (cnt = maxsize / sizeof (long); cnt > 0; cnt >>= 1) {
addr = (volatile ulong *) base + cnt; /* pointer arith! */
save[i++] = *addr;
*addr = ~cnt;
}
addr = (volatile ulong *) base; *orx_ptr = orx | ~(size - 1);
save[i] = *addr;
*addr = 0;
if ((val = *addr) != 0) { return (size);
*addr = save[i];
return (0);
}
for (cnt = 1; cnt <= maxsize / sizeof (long); cnt <<= 1) {
addr = (volatile ulong *) base + cnt; /* pointer arith! */
val = *addr;
*addr = save[--i];
if (val != ~cnt) {
/* Write the actual size to ORx
*/
*orx_ptr = orx | ~(cnt * sizeof (long) - 1);
return (cnt * sizeof (long));
}
}
return (maxsize);
} }

59
board/pn62/pn62.c
View file

@ -76,55 +76,26 @@ int checkboard (void)
long int initdram (int board_type) long int initdram (int board_type)
{ {
int i, cnt; long size;
volatile uchar *base = CFG_SDRAM_BASE; long new_bank0_end;
volatile ulong *addr; long mear1;
ulong save[32]; long emear1;
ulong val, ret = 0;
show_startup_phase (2); show_startup_phase (2);
for (i = 0, cnt = (CFG_MAX_RAM_SIZE / sizeof (long)) >> 1; cnt > 0; size = get_ram_size(CFG_SDRAM_BASE, CFG_MAX_RAM_SIZE);
cnt >>= 1) {
addr = (volatile ulong *) base + cnt;
save[i++] = *addr;
*addr = ~cnt;
}
addr = (volatile ulong *) base; new_bank0_end = size - 1;
save[i] = *addr; mear1 = mpc824x_mpc107_getreg (MEAR1);
*addr = 0; emear1 = mpc824x_mpc107_getreg (EMEAR1);
mear1 = (mear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT);
emear1 = (emear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT);
mpc824x_mpc107_setreg (MEAR1, mear1);
mpc824x_mpc107_setreg (EMEAR1, emear1);
if (*addr != 0) { return (size);
*addr = save[i];
goto Done;
}
for (cnt = 1; cnt <= CFG_MAX_RAM_SIZE / sizeof (long); cnt <<= 1) {
addr = (volatile ulong *) base + cnt;
val = *addr;
*addr = save[--i];
if (val != ~cnt) {
ulong new_bank0_end = cnt * sizeof (long) - 1;
ulong mear1 = mpc824x_mpc107_getreg (MEAR1);
ulong emear1 = mpc824x_mpc107_getreg (EMEAR1);
mear1 = (mear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT);
emear1 = (emear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT);
mpc824x_mpc107_setreg (MEAR1, mear1);
mpc824x_mpc107_setreg (EMEAR1, emear1);
ret = cnt * sizeof (long);
goto Done;
}
}
ret = CFG_MAX_RAM_SIZE;
Done:
show_startup_phase (3);
return ret;
} }
/* /*

33
board/r360mpi/r360mpi.c
View file

@ -258,41 +258,10 @@ static long int dram_size (long int mamr_value,
{ {
volatile immap_t *immap = (immap_t *) CFG_IMMR; volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl; volatile memctl8xx_t *memctl = &immap->im_memctl;
volatile long int *addr;
ulong cnt, val;
ulong save[32]; /* to make test non-destructive */
unsigned char i = 0;
memctl->memc_mamr = mamr_value; memctl->memc_mamr = mamr_value;
for (cnt = maxsize / sizeof (long); cnt > 0; cnt >>= 1) { return (get_ram_size(base, maxsize));
addr = base + cnt; /* pointer arith! */
save[i++] = *addr;
*addr = ~cnt;
}
/* write 0 to base address */
addr = base;
save[i] = *addr;
*addr = 0;
/* check at base address */
if ((val = *addr) != 0) {
*addr = save[i];
return (0);
}
for (cnt = 1; cnt <= maxsize / sizeof (long); cnt <<= 1) {
addr = base + cnt; /* pointer arith! */
val = *addr;
*addr = save[--i];
if (val != (~cnt)) {
return (cnt * sizeof (long));
}
}
return (maxsize);
} }
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */

210
board/rbc823/rbc823.c
View file

@ -127,109 +127,112 @@ const uint static_table[] =
int checkboard (void) int checkboard (void)
{ {
unsigned char *s = getenv("serial#"); unsigned char *s = getenv ("serial#");
if (!s || strncmp (s, "TQM8", 4)) {
printf ("### No HW ID - assuming RBC823\n");
return (0);
}
puts (s);
putc ('\n');
if (!s || strncmp(s, "TQM8", 4)) {
printf ("### No HW ID - assuming RBC823\n");
return (0); return (0);
}
puts(s);
putc ('\n');
return (0);
} }
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */
long int initdram (int board_type) long int initdram (int board_type)
{ {
volatile immap_t *immap = (immap_t *)CFG_IMMR; volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl; volatile memctl8xx_t *memctl = &immap->im_memctl;
long int size_b0, size8, size9; long int size_b0, size8, size9;
upmconfig(UPMA, (uint *)sdram_table, sizeof(sdram_table)/sizeof(uint)); upmconfig (UPMA, (uint *) sdram_table,
sizeof (sdram_table) / sizeof (uint));
/* /*
* 1 Bank of 64Mbit x 2 devices * 1 Bank of 64Mbit x 2 devices
*/ */
memctl->memc_mptpr = CFG_MPTPR_1BK_4K; memctl->memc_mptpr = CFG_MPTPR_1BK_4K;
memctl->memc_mar = 0x00000088; memctl->memc_mar = 0x00000088;
/* /*
* Map controller SDRAM bank 0 * Map controller SDRAM bank 0
*/ */
memctl->memc_or4 = CFG_OR4_PRELIM; memctl->memc_or4 = CFG_OR4_PRELIM;
memctl->memc_br4 = CFG_BR4_PRELIM; memctl->memc_br4 = CFG_BR4_PRELIM;
memctl->memc_mamr = CFG_MAMR_8COL & (~(MAMR_PTAE)); /* no refresh yet */ memctl->memc_mamr = CFG_MAMR_8COL & (~(MAMR_PTAE)); /* no refresh yet */
udelay(200); udelay (200);
/* /*
* Perform SDRAM initializsation sequence * Perform SDRAM initializsation sequence
*/ */
memctl->memc_mcr = 0x80008105; /* SDRAM bank 0 */ memctl->memc_mcr = 0x80008105; /* SDRAM bank 0 */
udelay(1); udelay (1);
memctl->memc_mamr = (CFG_MAMR_8COL & ~(MAMR_TLFA_MSK)) | MAMR_TLFA_8X; memctl->memc_mamr = (CFG_MAMR_8COL & ~(MAMR_TLFA_MSK)) | MAMR_TLFA_8X;
udelay(200); udelay (200);
memctl->memc_mcr = 0x80008130; /* SDRAM bank 0 - execute twice */ memctl->memc_mcr = 0x80008130; /* SDRAM bank 0 - execute twice */
udelay(1); udelay (1);
memctl->memc_mamr = (CFG_MAMR_8COL & ~(MAMR_TLFA_MSK)) | MAMR_TLFA_4X; memctl->memc_mamr = (CFG_MAMR_8COL & ~(MAMR_TLFA_MSK)) | MAMR_TLFA_4X;
udelay(200); udelay (200);
memctl->memc_mamr |= MAMR_PTAE; /* enable refresh */ memctl->memc_mamr |= MAMR_PTAE; /* enable refresh */
udelay (1000); udelay (1000);
/* /*
* Preliminary prescaler for refresh (depends on number of * Preliminary prescaler for refresh (depends on number of
* banks): This value is selected for four cycles every 62.4 us * banks): This value is selected for four cycles every 62.4 us
* with two SDRAM banks or four cycles every 31.2 us with one * with two SDRAM banks or four cycles every 31.2 us with one
* bank. It will be adjusted after memory sizing. * bank. It will be adjusted after memory sizing.
*/ */
memctl->memc_mptpr = CFG_MPTPR_2BK_4K; /* 16: but should be: CFG_MPTPR_1BK_4K */ memctl->memc_mptpr = CFG_MPTPR_2BK_4K; /* 16: but should be: CFG_MPTPR_1BK_4K */
/* /*
* Check Bank 0 Memory Size for re-configuration * Check Bank 0 Memory Size for re-configuration
* *
* try 8 column mode * try 8 column mode
*/ */
size8 = dram_size (CFG_MAMR_8COL, (ulong *)SDRAM_BASE4_PRELIM, SDRAM_MAX_SIZE); size8 = dram_size (CFG_MAMR_8COL, (ulong *) SDRAM_BASE4_PRELIM,
udelay (1000); SDRAM_MAX_SIZE);
udelay (1000);
/* /*
* try 9 column mode * try 9 column mode
*/ */
size9 = dram_size (CFG_MAMR_9COL, (ulong *)SDRAM_BASE4_PRELIM, SDRAM_MAX_SIZE); size9 = dram_size (CFG_MAMR_9COL, (ulong *) SDRAM_BASE4_PRELIM,
SDRAM_MAX_SIZE);
if (size8 < size9) { /* leave configuration at 9 columns */ if (size8 < size9) { /* leave configuration at 9 columns */
size_b0 = size9; size_b0 = size9;
/* debug ("SDRAM Bank 0 in 9 column mode: %ld MB\n", size >> 20); */ /* debug ("SDRAM Bank 0 in 9 column mode: %ld MB\n", size >> 20); */
} else { /* back to 8 columns */ } else { /* back to 8 columns */
size_b0 = size8; size_b0 = size8;
memctl->memc_mamr = CFG_MAMR_8COL; memctl->memc_mamr = CFG_MAMR_8COL;
udelay(500); udelay (500);
/* debug ("SDRAM Bank 0 in 8 column mode: %ld MB\n", size >> 20); */ /* debug ("SDRAM Bank 0 in 8 column mode: %ld MB\n", size >> 20); */
} }
udelay (1000); udelay (1000);
/* /*
* Adjust refresh rate depending on SDRAM type, both banks * Adjust refresh rate depending on SDRAM type, both banks
* For types > 128 MBit leave it at the current (fast) rate * For types > 128 MBit leave it at the current (fast) rate
*/ */
if ((size_b0 < 0x02000000) ) { if ((size_b0 < 0x02000000)) {
/* reduce to 15.6 us (62.4 us / quad) */ /* reduce to 15.6 us (62.4 us / quad) */
memctl->memc_mptpr = CFG_MPTPR_2BK_4K; memctl->memc_mptpr = CFG_MPTPR_2BK_4K;
udelay(1000); udelay (1000);
} }
/* SDRAM Bank 0 is bigger - map first */ /* SDRAM Bank 0 is bigger - map first */
memctl->memc_or4 = ((-size_b0) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM; memctl->memc_or4 = ((-size_b0) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM;
memctl->memc_br4 = (CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V; memctl->memc_br4 = (CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V;
udelay(10000); udelay (10000);
return (size_b0); return (size_b0);
} }
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */
@ -242,50 +245,25 @@ long int initdram (int board_type)
* - short between data lines * - short between data lines
*/ */
static long int dram_size (long int mamr_value, long int *base, long int maxsize) static long int dram_size (long int mamr_value, long int *base,
long int maxsize)
{ {
volatile immap_t *immap = (immap_t *)CFG_IMMR; volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl; volatile memctl8xx_t *memctl = &immap->im_memctl;
volatile long int *addr;
long int cnt, val;
memctl->memc_mamr = mamr_value; memctl->memc_mamr = mamr_value;
for (cnt = maxsize/sizeof(long)/2; cnt > 0; cnt >>= 1) { return (get_ram_size (base, maxsize));
addr = base + cnt; /* pointer arith! */
*addr = ~cnt;
}
/* write 0 to base address */
addr = base;
*addr = 0;
/* check at base address */
if ((val = *addr) != 0) {
return (0);
}
for (cnt = 1; cnt < maxsize/sizeof(long) ; cnt <<= 1) {
addr = base + cnt; /* pointer arith! */
val = *addr;
if (val != (~cnt)) {
return (cnt * sizeof(long));
}
}
return cnt * sizeof(long);
/* NOTREACHED */
} }
void doc_init(void) void doc_init (void)
{ {
volatile immap_t *immap = (immap_t *)CFG_IMMR; volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl; volatile memctl8xx_t *memctl = &immap->im_memctl;
upmconfig(UPMB, (uint *)static_table, sizeof(static_table)/sizeof(uint)); upmconfig (UPMB, (uint *) static_table,
memctl->memc_mbmr = MAMR_DSA_1_CYCL; sizeof (static_table) / sizeof (uint));
memctl->memc_mbmr = MAMR_DSA_1_CYCL;
doc_probe(FLASH_BASE1_PRELIM); doc_probe (FLASH_BASE1_PRELIM);
} }

47
board/rmu/rmu.c
View file

@ -155,53 +155,8 @@ static long int dram_size (long int mamr_value, long int *base,
{ {
volatile immap_t *immap = (immap_t *) CFG_IMMR; volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl; volatile memctl8xx_t *memctl = &immap->im_memctl;
volatile long int *addr;
ulong cnt, val, size;
ulong save[32]; /* to make test non-destructive */
unsigned char i = 0;
memctl->memc_mamr = mamr_value; memctl->memc_mamr = mamr_value;
for (cnt = maxsize / sizeof (long); cnt > 0; cnt >>= 1) { return (get_ram_size(base, maxsize));
addr = base + cnt; /* pointer arith! */
save[i++] = *addr;
*addr = ~cnt;
}
/* write 0 to base address */
addr = base;
save[i] = *addr;
*addr = 0;
/* check at base address */
if ((val = *addr) != 0) {
/* Restore the original data before leaving the function.
*/
*addr = save[i];
for (cnt = 1; cnt <= maxsize / sizeof(long); cnt <<= 1) {
addr = (volatile ulong *) base + cnt;
*addr = save[--i];
}
return (0);
}
for (cnt = 1; cnt <= maxsize / sizeof (long); cnt <<= 1) {
addr = base + cnt; /* pointer arith! */
val = *addr;
*addr = save[--i];
if (val != (~cnt)) {
size = cnt * sizeof (long);
/* Restore the original data before returning
*/
for (cnt <<= 1; cnt <= maxsize / sizeof (long); cnt <<= 1) {
addr = (volatile ulong *) base + cnt;
*addr = save[--i];
}
return (size);
}
}
return (maxsize);
} }

56
board/sandpoint/sandpoint.c
View file

@ -52,50 +52,24 @@ int checkflash (void)
long int initdram (int board_type) long int initdram (int board_type)
{ {
int i, cnt; long size;
volatile uchar * base= CFG_SDRAM_BASE; long new_bank0_end;
volatile ulong * addr; long mear1;
ulong save[32]; long emear1;
ulong val, ret = 0;
for (i=0, cnt=(CFG_MAX_RAM_SIZE / sizeof(long)) >> 1; cnt > 0; cnt >>= 1) { size = get_ram_size(CFG_SDRAM_BASE, CFG_MAX_RAM_SIZE);
addr = (volatile ulong *)base + cnt;
save[i++] = *addr;
*addr = ~cnt;
}
addr = (volatile ulong *)base; new_bank0_end = size - 1;
save[i] = *addr; mear1 = mpc824x_mpc107_getreg(MEAR1);
*addr = 0; emear1 = mpc824x_mpc107_getreg(EMEAR1);
mear1 = (mear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT);
emear1 = (emear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT);
mpc824x_mpc107_setreg(MEAR1, mear1);
mpc824x_mpc107_setreg(EMEAR1, emear1);
if (*addr != 0) { return (size);
*addr = save[i];
goto Done;
}
for (cnt = 1; cnt <= CFG_MAX_RAM_SIZE / sizeof(long); cnt <<= 1) {
addr = (volatile ulong *)base + cnt;
val = *addr;
*addr = save[--i];
if (val != ~cnt) {
ulong new_bank0_end = cnt * sizeof(long) - 1;
ulong mear1 = mpc824x_mpc107_getreg(MEAR1);
ulong emear1 = mpc824x_mpc107_getreg(EMEAR1);
mear1 = (mear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT);
emear1 = (emear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT);
mpc824x_mpc107_setreg(MEAR1, mear1);
mpc824x_mpc107_setreg(EMEAR1, emear1);
ret = cnt * sizeof(long);
goto Done;
}
}
ret = CFG_MAX_RAM_SIZE;
Done:
return ret;
} }
/* /*

34
board/siemens/CCM/ccm.c
View file

@ -333,42 +333,10 @@ static long int dram_size (long int mamr_value, long int *base, long int maxsize
{ {
volatile immap_t *immap = (immap_t *)CFG_IMMR; volatile immap_t *immap = (immap_t *)CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl; volatile memctl8xx_t *memctl = &immap->im_memctl;
volatile long int *addr;
ulong cnt, val;
ulong save[32]; /* to make test non-destructive */
unsigned char i = 0;
memctl->memc_mamr = mamr_value; memctl->memc_mamr = mamr_value;
for (cnt = maxsize/sizeof(long); cnt > 0; cnt >>= 1) { return (get_ram_size(base, maxsize));
addr = base + cnt; /* pointer arith! */
save[i++] = *addr;
*addr = ~cnt;
}
/* write 0 to base address */
addr = base;
save[i] = *addr;
*addr = 0;
/* check at base address */
if ((val = *addr) != 0) {
*addr = save[i];
return (0);
}
for (cnt = 1; cnt <= maxsize/sizeof(long); cnt <<= 1) {
addr = base + cnt; /* pointer arith! */
val = *addr;
*addr = save[--i];
if (val != (~cnt)) {
return (cnt * sizeof(long));
}
}
return (maxsize);
} }
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */

287
board/siemens/IAD210/IAD210.c
View file

@ -41,12 +41,11 @@ static long int dram_size (long int, long int *, long int);
#define _NOT_USED_ 0xFFFFFFFF #define _NOT_USED_ 0xFFFFFFFF
const uint sdram_table[] = const uint sdram_table[] = {
{
/* /*
* Single Read. (Offset 0 in UPMA RAM) * Single Read. (Offset 0 in UPMA RAM)
*/ */
0xFE2DB004, 0xF0AA7004, 0xF0A5F400, 0xF3AFFC47, /* last */ 0xFE2DB004, 0xF0AA7004, 0xF0A5F400, 0xF3AFFC47, /* last */
_NOT_USED_, _NOT_USED_,
/* /*
* SDRAM Initialization (offset 5 in UPMA RAM) * SDRAM Initialization (offset 5 in UPMA RAM)
@ -56,46 +55,46 @@ const uint sdram_table[] =
* sequence, which is executed by a RUN command. * sequence, which is executed by a RUN command.
* *
*/ */
0xFFFAF834, 0xFFE5B435, /* last */ 0xFFFAF834, 0xFFE5B435, /* last */
_NOT_USED_, _NOT_USED_,
/* /*
* Burst Read. (Offset 8 in UPMA RAM) * Burst Read. (Offset 8 in UPMA RAM)
*/ */
0xFE2DB004, 0xF0AF7404, 0xF0AFFC00, 0xF0AFFC00, 0xFE2DB004, 0xF0AF7404, 0xF0AFFC00, 0xF0AFFC00,
0xF0AFFC00, 0xF0AAF800, 0xF1A5E447, /* last */ 0xF0AFFC00, 0xF0AAF800, 0xF1A5E447, /* last */
_NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* /*
* Single Write. (Offset 18 in UPMA RAM) * Single Write. (Offset 18 in UPMA RAM)
*/ */
0xFE29B300, 0xF1A27304, 0xFFA5F747, /* last */ 0xFE29B300, 0xF1A27304, 0xFFA5F747, /* last */
_NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* /*
* Burst Write. (Offset 20 in UPMA RAM) * Burst Write. (Offset 20 in UPMA RAM)
*/ */
0x1F0DFC04, 0xEEABBC00, 0x10A77C00, 0xF0AFFC00, 0x1F0DFC04, 0xEEABBC00, 0x10A77C00, 0xF0AFFC00,
0xF1AAF804, 0xFFA5F447, /* last */ 0xF1AAF804, 0xFFA5F447, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* /*
* Refresh (Offset 30 in UPMA RAM) * Refresh (Offset 30 in UPMA RAM)
*/ */
0xFFAC3884, 0xFFAC3404, 0xFFAFFC04, 0xFFAFFC84, 0xFFAC3884, 0xFFAC3404, 0xFFAFFC04, 0xFFAFFC84,
0xFFAFFC07, /* last */ 0xFFAFFC07, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* /*
* MRS sequence (Offset 38 in UPMA RAM) * MRS sequence (Offset 38 in UPMA RAM)
*/ */
0xFFAAB834, 0xFFA57434, 0xFFAFFC05, /* last */ 0xFFAAB834, 0xFFA57434, 0xFFAFFC05, /* last */
_NOT_USED_, _NOT_USED_,
/* /*
* Exception. (Offset 3c in UPMA RAM) * Exception. (Offset 3c in UPMA RAM)
*/ */
0xFFAFFC04, 0xFFAFFC05, /* last */ 0xFFAFFC04, 0xFFAFFC05, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
}; };
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */
@ -103,82 +102,84 @@ const uint sdram_table[] =
long int initdram (int board_type) long int initdram (int board_type)
{ {
volatile immap_t *immap = (immap_t *)CFG_IMMR; volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl; volatile memctl8xx_t *memctl = &immap->im_memctl;
volatile iop8xx_t *iop = &immap->im_ioport; volatile iop8xx_t *iop = &immap->im_ioport;
volatile fec_t *fecp = &immap->im_cpm.cp_fec; volatile fec_t *fecp = &immap->im_cpm.cp_fec;
long int size; long int size;
upmconfig(UPMA, (uint *)sdram_table, sizeof(sdram_table)/sizeof(uint)); upmconfig (UPMA, (uint *) sdram_table,
sizeof (sdram_table) / sizeof (uint));
/* /*
* Preliminary prescaler for refresh (depends on number of * Preliminary prescaler for refresh (depends on number of
* banks): This value is selected for four cycles every 62.4 us * banks): This value is selected for four cycles every 62.4 us
* with two SDRAM banks or four cycles every 31.2 us with one * with two SDRAM banks or four cycles every 31.2 us with one
* bank. It will be adjusted after memory sizing. * bank. It will be adjusted after memory sizing.
*/ */
memctl->memc_mptpr = CFG_MPTPR; memctl->memc_mptpr = CFG_MPTPR;
memctl->memc_mar = 0x00000088; memctl->memc_mar = 0x00000088;
/* /*
* Map controller banks 2 and 3 to the SDRAM banks 2 and 3 at * Map controller banks 2 and 3 to the SDRAM banks 2 and 3 at
* preliminary addresses - these have to be modified after the * preliminary addresses - these have to be modified after the
* SDRAM size has been determined. * SDRAM size has been determined.
*/ */
memctl->memc_or2 = CFG_OR2_PRELIM; memctl->memc_or2 = CFG_OR2_PRELIM;
memctl->memc_br2 = CFG_BR2_PRELIM; memctl->memc_br2 = CFG_BR2_PRELIM;
memctl->memc_mamr = CFG_MAMR & (~(MAMR_PTAE)); /* no refresh yet */ memctl->memc_mamr = CFG_MAMR & (~(MAMR_PTAE)); /* no refresh yet */
udelay(200); udelay (200);
/* perform SDRAM initializsation sequence */ /* perform SDRAM initializsation sequence */
memctl->memc_mcr = 0x80004105; /* SDRAM bank 0 */ memctl->memc_mcr = 0x80004105; /* SDRAM bank 0 */
udelay(1); udelay (1);
memctl->memc_mcr = 0x80004230; /* SDRAM bank 0 - execute twice */ memctl->memc_mcr = 0x80004230; /* SDRAM bank 0 - execute twice */
udelay(1); udelay (1);
memctl->memc_mcr = 0x80004105; /* SDRAM precharge */ memctl->memc_mcr = 0x80004105; /* SDRAM precharge */
udelay(1); udelay (1);
memctl->memc_mcr = 0x80004030; /* SDRAM 16x autorefresh */ memctl->memc_mcr = 0x80004030; /* SDRAM 16x autorefresh */
udelay(1); udelay (1);
memctl->memc_mcr = 0x80004138; /* SDRAM upload parameters */ memctl->memc_mcr = 0x80004138; /* SDRAM upload parameters */
udelay(1); udelay (1);
memctl->memc_mamr |= MAMR_PTAE; /* enable refresh */ memctl->memc_mamr |= MAMR_PTAE; /* enable refresh */
udelay (1000); udelay (1000);
/* /*
* Check Bank 0 Memory Size for re-configuration * Check Bank 0 Memory Size for re-configuration
* *
*/ */
size = dram_size (CFG_MAMR, (ulong *)SDRAM_BASE_PRELIM, SDRAM_MAX_SIZE); size = dram_size (CFG_MAMR, (ulong *) SDRAM_BASE_PRELIM,
SDRAM_MAX_SIZE);
udelay (1000); udelay (1000);
memctl->memc_mamr = CFG_MAMR; memctl->memc_mamr = CFG_MAMR;
udelay (1000); udelay (1000);
/* /*
* Final mapping * Final mapping
*/ */
memctl->memc_or2 = ((-size) & 0xFFFF0000) | CFG_OR2_PRELIM; memctl->memc_or2 = ((-size) & 0xFFFF0000) | CFG_OR2_PRELIM;
memctl->memc_br2 = ((CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V); memctl->memc_br2 = ((CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V);
udelay(10000); udelay (10000);
/* prepare pin multiplexing for fast ethernet */ /* prepare pin multiplexing for fast ethernet */
atmLoad(); atmLoad ();
fecp->fec_ecntrl = 0x00000004; /* rev D3 pinmux SET */ fecp->fec_ecntrl = 0x00000004; /* rev D3 pinmux SET */
iop->iop_pdpar |= 0x0080; /* set pin as MII_clock */ iop->iop_pdpar |= 0x0080; /* set pin as MII_clock */
return (size); return (size);
} }
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */
@ -191,46 +192,15 @@ long int initdram (int board_type)
* - short between data lines * - short between data lines
*/ */
static long int dram_size (long int mamr_value, long int *base, long int maxsize) static long int dram_size (long int mamr_value, long int *base,
long int maxsize)
{ {
volatile immap_t *immap = (immap_t *)CFG_IMMR; volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl; volatile memctl8xx_t *memctl = &immap->im_memctl;
volatile long int *addr;
ulong cnt, val;
ulong save[32]; /* to make test non-destructive */
unsigned char i = 0;
memctl->memc_mamr = mamr_value; memctl->memc_mamr = mamr_value;
for (cnt = maxsize/sizeof(long); cnt > 0; cnt >>= 1) { return (get_ram_size (base, maxsize));
addr = base + cnt; /* pointer arith! */
save[i++] = *addr;
*addr = ~cnt;
}
/* write 0 to base address */
addr = base;
save[i] = *addr;
*addr = 0;
/* check at base address */
if ((val = *addr) != 0) {
*addr = save[i];
return (0);
}
for (cnt = 1; cnt <= maxsize/sizeof(long); cnt <<= 1) {
addr = base + cnt; /* pointer arith! */
val = *addr;
*addr = save[--i];
if (val != (~cnt)) {
return (cnt * sizeof(long));
}
}
return (maxsize);
} }
/* /*
@ -239,79 +209,78 @@ static long int dram_size (long int mamr_value, long int *base, long int maxsize
int checkboard (void) int checkboard (void)
{ {
return (0); return (0);
} }
void board_serial_init(void) void board_serial_init (void)
{ {
;/* nothing to do here */ ; /* nothing to do here */
} }
void board_ether_init(void) void board_ether_init (void)
{ {
volatile immap_t *immap = (immap_t *)CFG_IMMR; volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile iop8xx_t *iop = &immap->im_ioport; volatile iop8xx_t *iop = &immap->im_ioport;
volatile fec_t *fecp = &immap->im_cpm.cp_fec; volatile fec_t *fecp = &immap->im_cpm.cp_fec;
atmLoad(); atmLoad ();
fecp->fec_ecntrl = 0x00000004; /* rev D3 pinmux SET */ fecp->fec_ecntrl = 0x00000004; /* rev D3 pinmux SET */
iop->iop_pdpar |= 0x0080; /* set pin as MII_clock */ iop->iop_pdpar |= 0x0080; /* set pin as MII_clock */
} }
int board_pre_init (void) int board_pre_init (void)
{ {
volatile immap_t *immap = (immap_t *)CFG_IMMR; volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile cpmtimer8xx_t *timers = &immap->im_cpmtimer; volatile cpmtimer8xx_t *timers = &immap->im_cpmtimer;
volatile memctl8xx_t *memctl = &immap->im_memctl; volatile memctl8xx_t *memctl = &immap->im_memctl;
volatile iop8xx_t *iop = &immap->im_ioport; volatile iop8xx_t *iop = &immap->im_ioport;
/* configure the LED timing output pins - port A pin 4 */ /* configure the LED timing output pins - port A pin 4 */
iop->iop_papar = 0x0800; iop->iop_papar = 0x0800;
iop->iop_padir = 0x0800; iop->iop_padir = 0x0800;
/* start timer 2 for the 4hz LED blink rate */ /* start timer 2 for the 4hz LED blink rate */
timers->cpmt_tmr2 = 0xff2c; /* 4hz for 64mhz */ timers->cpmt_tmr2 = 0xff2c; /* 4hz for 64mhz */
timers->cpmt_trr2 = 0x000003d0; /* clk/16 , prescale=256 */ timers->cpmt_trr2 = 0x000003d0; /* clk/16 , prescale=256 */
timers->cpmt_tgcr = 0x00000810; /* run timer 2 */ timers->cpmt_tgcr = 0x00000810; /* run timer 2 */
/* chip select for PLD access */ /* chip select for PLD access */
memctl->memc_br6 = 0x10000401; memctl->memc_br6 = 0x10000401;
memctl->memc_or6 = 0xFC000908; memctl->memc_or6 = 0xFC000908;
/* PLD initial values ( set LEDs, remove reset on LXT) */ /* PLD initial values ( set LEDs, remove reset on LXT) */
*PLD_GCR1_REG = 0x06; *PLD_GCR1_REG = 0x06;
*PLD_EXT_RES = 0xC0; *PLD_EXT_RES = 0xC0;
*PLD_EXT_FETH = 0x40; *PLD_EXT_FETH = 0x40;
*PLD_EXT_LED = 0xFF; *PLD_EXT_LED = 0xFF;
*PLD_EXT_X21 = 0x04; *PLD_EXT_X21 = 0x04;
return 0; return 0;
} }
void board_get_enetaddr (uchar *addr) void board_get_enetaddr (uchar * addr)
{ {
int i; int i;
volatile immap_t *immap = (immap_t *)CFG_IMMR; volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile cpm8xx_t *cpm = &immap->im_cpm; volatile cpm8xx_t *cpm = &immap->im_cpm;
unsigned int rccrtmp; unsigned int rccrtmp;
char default_mac_addr[] = {0x00, 0x08, 0x01, 0x02, 0x03, 0x04}; char default_mac_addr[] = { 0x00, 0x08, 0x01, 0x02, 0x03, 0x04 };
for (i=0; i<6; i++) for (i = 0; i < 6; i++)
addr[i] = default_mac_addr[i]; addr[i] = default_mac_addr[i];
printf("There is an error in the i2c driver .. /n"); printf ("There is an error in the i2c driver .. /n");
printf("You need to fix it first....../n"); printf ("You need to fix it first....../n");
rccrtmp = cpm->cp_rccr; rccrtmp = cpm->cp_rccr;
cpm->cp_rccr |= 0x0020; cpm->cp_rccr |= 0x0020;
i2c_reg_read(0xa0, 0);
printf ("seep = '-%c-%c-%c-%c-%c-%c-'\n",
i2c_reg_read(0xa0, 0), i2c_reg_read(0xa0, 0), i2c_reg_read(0xa0, 0),
i2c_reg_read(0xa0, 0), i2c_reg_read(0xa0, 0), i2c_reg_read(0xa0, 0) );
cpm->cp_rccr = rccrtmp;
i2c_reg_read (0xa0, 0);
printf ("seep = '-%c-%c-%c-%c-%c-%c-'\n",
i2c_reg_read (0xa0, 0), i2c_reg_read (0xa0, 0),
i2c_reg_read (0xa0, 0), i2c_reg_read (0xa0, 0),
i2c_reg_read (0xa0, 0), i2c_reg_read (0xa0, 0));
cpm->cp_rccr = rccrtmp;
} }

41
board/siemens/SCM/scm.c
View file

@ -235,13 +235,10 @@ static long int try_init (volatile memctl8260_t * memctl, ulong sdmr,
ulong orx, volatile uchar * base) ulong orx, volatile uchar * base)
{ {
volatile uchar c = 0xff; volatile uchar c = 0xff;
ulong cnt, val;
volatile ulong *addr;
volatile uint *sdmr_ptr; volatile uint *sdmr_ptr;
volatile uint *orx_ptr; volatile uint *orx_ptr;
ulong maxsize, size;
int i; int i;
ulong save[32]; /* to make test non-destructive */
ulong maxsize;
/* We must be able to test a location outsize the maximum legal size /* We must be able to test a location outsize the maximum legal size
* to find out THAT we are outside; but this address still has to be * to find out THAT we are outside; but this address still has to be
@ -291,41 +288,11 @@ static long int try_init (volatile memctl8260_t * memctl, ulong sdmr,
*sdmr_ptr = sdmr | PSDMR_OP_NORM | PSDMR_RFEN; *sdmr_ptr = sdmr | PSDMR_OP_NORM | PSDMR_RFEN;
*base = c; *base = c;
/* size = get_ram_size((long *)base, maxsize);
* Check memory range for valid RAM. A simple memory test determines
* the actually available RAM size between addresses `base' and
* `base + maxsize'. Some (not all) hardware errors are detected:
* - short between address lines
* - short between data lines
*/
i = 0;
for (cnt = maxsize / sizeof (long); cnt > 0; cnt >>= 1) {
addr = (volatile ulong *) base + cnt; /* pointer arith! */
save[i++] = *addr;
*addr = ~cnt;
}
addr = (volatile ulong *) base; *orx_ptr = orx | ~(size - 1);
save[i] = *addr;
*addr = 0;
if ((val = *addr) != 0) { return (size);
*addr = save[i];
return (0);
}
for (cnt = 1; cnt <= maxsize / sizeof (long); cnt <<= 1) {
addr = (volatile ulong *) base + cnt; /* pointer arith! */
val = *addr;
*addr = save[--i];
if (val != ~cnt) {
/* Write the actual size to ORx
*/
*orx_ptr = orx | ~(cnt * sizeof (long) - 1);
return (cnt * sizeof (long));
}
}
return (maxsize);
} }
/* /*

361
board/siemens/pcu_e/pcu_e.c
View file

@ -32,7 +32,7 @@
static long int dram_size (long int, long int *, long int); static long int dram_size (long int, long int *, long int);
static void puma_status (void); static void puma_status (void);
static void puma_set_mode (int mode); static void puma_set_mode (int mode);
static int puma_init_done (void); static int puma_init_done (void);
static void puma_load (ulong addr, ulong len); static void puma_load (ulong addr, ulong len);
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */
@ -42,13 +42,12 @@ static void puma_load (ulong addr, ulong len);
/* /*
* 50 MHz SDRAM access using UPM A * 50 MHz SDRAM access using UPM A
*/ */
const uint sdram_table[] = const uint sdram_table[] = {
{
/* /*
* Single Read. (Offset 0 in UPM RAM) * Single Read. (Offset 0 in UPM RAM)
*/ */
0x1f0dfc04, 0xeeafbc04, 0x11af7c04, 0xefbeec00, 0x1f0dfc04, 0xeeafbc04, 0x11af7c04, 0xefbeec00,
0x1ffddc47, /* last */ 0x1ffddc47, /* last */
/* /*
* SDRAM Initialization (offset 5 in UPM RAM) * SDRAM Initialization (offset 5 in UPM RAM)
* *
@ -57,40 +56,40 @@ const uint sdram_table[] =
* sequence, which is executed by a RUN command. * sequence, which is executed by a RUN command.
* *
*/ */
0x1ffddc35, 0xefceac34, 0x1f3d5c35, /* last */ 0x1ffddc35, 0xefceac34, 0x1f3d5c35, /* last */
/* /*
* Burst Read. (Offset 8 in UPM RAM) * Burst Read. (Offset 8 in UPM RAM)
*/ */
0x1f0dfc04, 0xeeafbc04, 0x10af7c04, 0xf0affc00, 0x1f0dfc04, 0xeeafbc04, 0x10af7c04, 0xf0affc00,
0xf0affc00, 0xf1affc00, 0xefbeec00, 0x1ffddc47, /* last */ 0xf0affc00, 0xf1affc00, 0xefbeec00, 0x1ffddc47, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* /*
* Single Write. (Offset 18 in UPM RAM) * Single Write. (Offset 18 in UPM RAM)
*/ */
0x1f0dfc04, 0xeeafac00, 0x01be4c04, 0x1ffddc47, /* last */ 0x1f0dfc04, 0xeeafac00, 0x01be4c04, 0x1ffddc47, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* /*
* Burst Write. (Offset 20 in UPM RAM) * Burst Write. (Offset 20 in UPM RAM)
*/ */
0x1f0dfc04, 0xeeafac00, 0x10af5c00, 0xf0affc00, 0x1f0dfc04, 0xeeafac00, 0x10af5c00, 0xf0affc00,
0xf0affc00, 0xe1beec04, 0x1ffddc47, /* last */ 0xf0affc00, 0xe1beec04, 0x1ffddc47, /* last */
_NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* /*
* Refresh (Offset 30 in UPM RAM) * Refresh (Offset 30 in UPM RAM)
*/ */
0x1ffd7c84, 0xfffffc04, 0xfffffc04, 0xfffffc04, 0x1ffd7c84, 0xfffffc04, 0xfffffc04, 0xfffffc04,
0xfffffc84, 0xfffffc07, /* last */ 0xfffffc84, 0xfffffc07, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* /*
* Exception. (Offset 3c in UPM RAM) * Exception. (Offset 3c in UPM RAM)
*/ */
0x7ffffc07, /* last */ 0x7ffffc07, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
}; };
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */
@ -98,8 +97,7 @@ const uint sdram_table[] =
/* /*
* PUMA access using UPM B * PUMA access using UPM B
*/ */
const uint puma_table[] = const uint puma_table[] = {
{
/* /*
* Single Read. (Offset 0 in UPM RAM) * Single Read. (Offset 0 in UPM RAM)
*/ */
@ -108,7 +106,7 @@ const uint puma_table[] =
/* /*
* Precharge and MRS * Precharge and MRS
*/ */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* /*
* Burst Read. (Offset 8 in UPM RAM) * Burst Read. (Offset 8 in UPM RAM)
*/ */
@ -119,8 +117,8 @@ const uint puma_table[] =
/* /*
* Single Write. (Offset 18 in UPM RAM) * Single Write. (Offset 18 in UPM RAM)
*/ */
0x0ffff804, 0x0ffff400, 0x3ffffc47, /* last */ 0x0ffff804, 0x0ffff400, 0x3ffffc47, /* last */
_NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* /*
* Burst Write. (Offset 20 in UPM RAM) * Burst Write. (Offset 20 in UPM RAM)
@ -138,8 +136,8 @@ const uint puma_table[] =
/* /*
* Exception. (Offset 3c in UPM RAM) * Exception. (Offset 3c in UPM RAM)
*/ */
0x7ffffc07, /* last */ 0x7ffffc07, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
}; };
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */
@ -158,115 +156,118 @@ int checkboard (void)
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */
long int long int initdram (int board_type)
initdram (int board_type)
{ {
volatile immap_t *immr = (immap_t *)CFG_IMMR; volatile immap_t *immr = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &immr->im_memctl; volatile memctl8xx_t *memctl = &immr->im_memctl;
long int size_b0, reg; long int size_b0, reg;
int i; int i;
/* /*
* Configure UPMA for SDRAM * Configure UPMA for SDRAM
*/ */
upmconfig(UPMA, (uint *)sdram_table, sizeof(sdram_table)/sizeof(uint)); upmconfig (UPMA, (uint *) sdram_table,
sizeof (sdram_table) / sizeof (uint));
memctl->memc_mptpr = CFG_MPTPR; memctl->memc_mptpr = CFG_MPTPR;
/* burst length=4, burst type=sequential, CAS latency=2 */ /* burst length=4, burst type=sequential, CAS latency=2 */
memctl->memc_mar = 0x00000088; memctl->memc_mar = 0x00000088;
/* /*
* Map controller bank 2 to the SDRAM bank at preliminary address. * Map controller bank 2 to the SDRAM bank at preliminary address.
*/ */
#if PCU_E_WITH_SWAPPED_CS /* XXX */ #if PCU_E_WITH_SWAPPED_CS /* XXX */
memctl->memc_or5 = CFG_OR5_PRELIM; memctl->memc_or5 = CFG_OR5_PRELIM;
memctl->memc_br5 = CFG_BR5_PRELIM; memctl->memc_br5 = CFG_BR5_PRELIM;
#else /* XXX */ #else /* XXX */
memctl->memc_or2 = CFG_OR2_PRELIM; memctl->memc_or2 = CFG_OR2_PRELIM;
memctl->memc_br2 = CFG_BR2_PRELIM; memctl->memc_br2 = CFG_BR2_PRELIM;
#endif /* XXX */ #endif /* XXX */
/* initialize memory address register */ /* initialize memory address register */
memctl->memc_mamr = CFG_MAMR; /* refresh not enabled yet */ memctl->memc_mamr = CFG_MAMR; /* refresh not enabled yet */
/* mode initialization (offset 5) */ /* mode initialization (offset 5) */
#if PCU_E_WITH_SWAPPED_CS /* XXX */ #if PCU_E_WITH_SWAPPED_CS /* XXX */
udelay(200); /* 0x8000A105 */ udelay (200); /* 0x8000A105 */
memctl->memc_mcr = MCR_OP_RUN | MCR_MB_CS5 | MCR_MLCF(1) | MCR_MAD(0x05); memctl->memc_mcr = MCR_OP_RUN | MCR_MB_CS5 | MCR_MLCF (1) | MCR_MAD (0x05);
#else /* XXX */ #else /* XXX */
udelay(200); /* 0x80004105 */ udelay (200); /* 0x80004105 */
memctl->memc_mcr = MCR_OP_RUN | MCR_MB_CS2 | MCR_MLCF(1) | MCR_MAD(0x05); memctl->memc_mcr = MCR_OP_RUN | MCR_MB_CS2 | MCR_MLCF (1) | MCR_MAD (0x05);
#endif /* XXX */ #endif /* XXX */
/* run 2 refresh sequence with 4-beat refresh burst (offset 0x30) */ /* run 2 refresh sequence with 4-beat refresh burst (offset 0x30) */
#if PCU_E_WITH_SWAPPED_CS /* XXX */ #if PCU_E_WITH_SWAPPED_CS /* XXX */
udelay(1); /* 0x8000A830 */ udelay (1); /* 0x8000A830 */
memctl->memc_mcr = MCR_OP_RUN | MCR_MB_CS5 | MCR_MLCF(8) | MCR_MAD(0x30); memctl->memc_mcr = MCR_OP_RUN | MCR_MB_CS5 | MCR_MLCF (8) | MCR_MAD (0x30);
#else /* XXX */ #else /* XXX */
udelay(1); /* 0x80004830 */ udelay (1); /* 0x80004830 */
memctl->memc_mcr = MCR_OP_RUN | MCR_MB_CS2 | MCR_MLCF(8) | MCR_MAD(0x30); memctl->memc_mcr = MCR_OP_RUN | MCR_MB_CS2 | MCR_MLCF (8) | MCR_MAD (0x30);
#endif /* XXX */ #endif /* XXX */
#if PCU_E_WITH_SWAPPED_CS /* XXX */ #if PCU_E_WITH_SWAPPED_CS /* XXX */
udelay(1); /* 0x8000A106 */ udelay (1); /* 0x8000A106 */
memctl->memc_mcr = MCR_OP_RUN | MCR_MB_CS5 | MCR_MLCF(1) | MCR_MAD(0x06); memctl->memc_mcr = MCR_OP_RUN | MCR_MB_CS5 | MCR_MLCF (1) | MCR_MAD (0x06);
#else /* XXX */ #else /* XXX */
udelay(1); /* 0x80004106 */ udelay (1); /* 0x80004106 */
memctl->memc_mcr = MCR_OP_RUN | MCR_MB_CS2 | MCR_MLCF(1) | MCR_MAD(0x06); memctl->memc_mcr = MCR_OP_RUN | MCR_MB_CS2 | MCR_MLCF (1) | MCR_MAD (0x06);
#endif /* XXX */ #endif /* XXX */
reg = memctl->memc_mamr; reg = memctl->memc_mamr;
reg &= ~MAMR_TLFA_MSK; /* switch timer loop ... */ reg &= ~MAMR_TLFA_MSK; /* switch timer loop ... */
reg |= MAMR_TLFA_4X; /* ... to 4x */ reg |= MAMR_TLFA_4X; /* ... to 4x */
reg |= MAMR_PTAE; /* enable refresh */ reg |= MAMR_PTAE; /* enable refresh */
memctl->memc_mamr = reg; memctl->memc_mamr = reg;
udelay(200); udelay (200);
/* Need at least 10 DRAM accesses to stabilize */ /* Need at least 10 DRAM accesses to stabilize */
for (i=0; i<10; ++i) { for (i = 0; i < 10; ++i) {
#if PCU_E_WITH_SWAPPED_CS /* XXX */ #if PCU_E_WITH_SWAPPED_CS /* XXX */
volatile unsigned long *addr = (volatile unsigned long *)SDRAM_BASE5_PRELIM; volatile unsigned long *addr =
#else /* XXX */ (volatile unsigned long *) SDRAM_BASE5_PRELIM;
volatile unsigned long *addr = (volatile unsigned long *)SDRAM_BASE2_PRELIM; #else /* XXX */
#endif /* XXX */ volatile unsigned long *addr =
unsigned long val; (volatile unsigned long *) SDRAM_BASE2_PRELIM;
#endif /* XXX */
unsigned long val;
val = *(addr + i); val = *(addr + i);
*(addr + i) = val; *(addr + i) = val;
} }
/* /*
* Check Bank 0 Memory Size for re-configuration * Check Bank 0 Memory Size for re-configuration
*/ */
#if PCU_E_WITH_SWAPPED_CS /* XXX */ #if PCU_E_WITH_SWAPPED_CS /* XXX */
size_b0 = dram_size (CFG_MAMR, (ulong *)SDRAM_BASE5_PRELIM, SDRAM_MAX_SIZE); size_b0 = dram_size (CFG_MAMR, (ulong *) SDRAM_BASE5_PRELIM, SDRAM_MAX_SIZE);
#else /* XXX */ #else /* XXX */
size_b0 = dram_size (CFG_MAMR, (ulong *)SDRAM_BASE2_PRELIM, SDRAM_MAX_SIZE); size_b0 = dram_size (CFG_MAMR, (ulong *) SDRAM_BASE2_PRELIM, SDRAM_MAX_SIZE);
#endif /* XXX */ #endif /* XXX */
memctl->memc_mamr = CFG_MAMR | MAMR_PTAE; memctl->memc_mamr = CFG_MAMR | MAMR_PTAE;
/* /*
* Final mapping: * Final mapping:
*/ */
#if PCU_E_WITH_SWAPPED_CS /* XXX */ #if PCU_E_WITH_SWAPPED_CS /* XXX */
memctl->memc_or5 = ((-size_b0) & 0xFFFF0000) | SDRAM_TIMING; memctl->memc_or5 = ((-size_b0) & 0xFFFF0000) | SDRAM_TIMING;
memctl->memc_br5 = (CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V; memctl->memc_br5 = (CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V;
#else /* XXX */ #else /* XXX */
memctl->memc_or2 = ((-size_b0) & 0xFFFF0000) | SDRAM_TIMING; memctl->memc_or2 = ((-size_b0) & 0xFFFF0000) | SDRAM_TIMING;
memctl->memc_br2 = (CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V; memctl->memc_br2 = (CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V;
#endif /* XXX */ #endif /* XXX */
udelay(1000); udelay (1000);
/* /*
* Configure UPMB for PUMA * Configure UPMB for PUMA
*/ */
upmconfig(UPMB, (uint *)puma_table, sizeof(puma_table)/sizeof(uint)); upmconfig (UPMB, (uint *) puma_table,
sizeof (puma_table) / sizeof (uint));
return (size_b0); return (size_b0);
} }
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */
@ -279,119 +280,88 @@ initdram (int board_type)
* - short between data lines * - short between data lines
*/ */
static long int dram_size (long int mamr_value, long int *base, long int maxsize) static long int dram_size (long int mamr_value, long int *base,
long int maxsize)
{ {
volatile immap_t *immr = (immap_t *)CFG_IMMR; volatile immap_t *immr = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &immr->im_memctl; volatile memctl8xx_t *memctl = &immr->im_memctl;
volatile long int *addr;
ulong cnt, val;
ulong save[32]; /* to make test non-destructive */
unsigned char i = 0;
memctl->memc_mamr = mamr_value; memctl->memc_mamr = mamr_value;
for (cnt = maxsize/sizeof(long); cnt > 0; cnt >>= 1) { return (get_ram_size (base, maxsize));
addr = base + cnt; /* pointer arith! */
save[i++] = *addr;
*addr = ~cnt;
}
/* write 0 to base address */
addr = base;
save[i] = *addr;
*addr = 0;
/* check at base address */
if ((val = *addr) != 0) {
*addr = save[i];
return (0);
}
for (cnt = 1; cnt <= maxsize/sizeof(long); cnt <<= 1) {
addr = base + cnt; /* pointer arith! */
val = *addr;
*addr = save[--i];
if (val != (~cnt)) {
return (cnt * sizeof(long));
}
}
return (maxsize);
} }
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */
#if PCU_E_WITH_SWAPPED_CS /* XXX */ #if PCU_E_WITH_SWAPPED_CS /* XXX */
#define ETH_CFG_BITS (CFG_PB_ETH_CFG1 | CFG_PB_ETH_CFG2 | CFG_PB_ETH_CFG3 ) #define ETH_CFG_BITS (CFG_PB_ETH_CFG1 | CFG_PB_ETH_CFG2 | CFG_PB_ETH_CFG3 )
#else /* XXX */ #else /* XXX */
#define ETH_CFG_BITS (CFG_PB_ETH_MDDIS | CFG_PB_ETH_CFG1 | \ #define ETH_CFG_BITS (CFG_PB_ETH_MDDIS | CFG_PB_ETH_CFG1 | \
CFG_PB_ETH_CFG2 | CFG_PB_ETH_CFG3 ) CFG_PB_ETH_CFG2 | CFG_PB_ETH_CFG3 )
#endif /* XXX */ #endif /* XXX */
#define ETH_ALL_BITS (ETH_CFG_BITS | CFG_PB_ETH_POWERDOWN | CFG_PB_ETH_RESET) #define ETH_ALL_BITS (ETH_CFG_BITS | CFG_PB_ETH_POWERDOWN | CFG_PB_ETH_RESET)
void reset_phy(void) void reset_phy (void)
{ {
immap_t *immr = (immap_t *)CFG_IMMR; immap_t *immr = (immap_t *) CFG_IMMR;
ulong value; ulong value;
/* Configure all needed port pins for GPIO */ /* Configure all needed port pins for GPIO */
#if PCU_E_WITH_SWAPPED_CS /* XXX */ #if PCU_E_WITH_SWAPPED_CS /* XXX */
# if CFG_ETH_MDDIS_VALUE # if CFG_ETH_MDDIS_VALUE
immr->im_ioport.iop_padat |= CFG_PA_ETH_MDDIS; immr->im_ioport.iop_padat |= CFG_PA_ETH_MDDIS;
# else # else
immr->im_ioport.iop_padat &= ~(CFG_PA_ETH_MDDIS); /* Set low */ immr->im_ioport.iop_padat &= ~(CFG_PA_ETH_MDDIS); /* Set low */
# endif # endif
immr->im_ioport.iop_papar &= ~(CFG_PA_ETH_MDDIS); /* GPIO */ immr->im_ioport.iop_papar &= ~(CFG_PA_ETH_MDDIS); /* GPIO */
immr->im_ioport.iop_paodr &= ~(CFG_PA_ETH_MDDIS); /* active output */ immr->im_ioport.iop_paodr &= ~(CFG_PA_ETH_MDDIS); /* active output */
immr->im_ioport.iop_padir |= CFG_PA_ETH_MDDIS; /* output */ immr->im_ioport.iop_padir |= CFG_PA_ETH_MDDIS; /* output */
#endif /* XXX */ #endif /* XXX */
immr->im_cpm.cp_pbpar &= ~(ETH_ALL_BITS); /* GPIO */ immr->im_cpm.cp_pbpar &= ~(ETH_ALL_BITS); /* GPIO */
immr->im_cpm.cp_pbodr &= ~(ETH_ALL_BITS); /* active output */ immr->im_cpm.cp_pbodr &= ~(ETH_ALL_BITS); /* active output */
value = immr->im_cpm.cp_pbdat; value = immr->im_cpm.cp_pbdat;
/* Assert Powerdown and Reset signals */ /* Assert Powerdown and Reset signals */
value |= CFG_PB_ETH_POWERDOWN; value |= CFG_PB_ETH_POWERDOWN;
value &= ~(CFG_PB_ETH_RESET); value &= ~(CFG_PB_ETH_RESET);
/* PHY configuration includes MDDIS and CFG1 ... CFG3 */ /* PHY configuration includes MDDIS and CFG1 ... CFG3 */
#if !PCU_E_WITH_SWAPPED_CS #if !PCU_E_WITH_SWAPPED_CS
# if CFG_ETH_MDDIS_VALUE # if CFG_ETH_MDDIS_VALUE
value |= CFG_PB_ETH_MDDIS; value |= CFG_PB_ETH_MDDIS;
# else # else
value &= ~(CFG_PB_ETH_MDDIS); value &= ~(CFG_PB_ETH_MDDIS);
# endif # endif
#endif #endif
#if CFG_ETH_CFG1_VALUE #if CFG_ETH_CFG1_VALUE
value |= CFG_PB_ETH_CFG1; value |= CFG_PB_ETH_CFG1;
#else #else
value &= ~(CFG_PB_ETH_CFG1); value &= ~(CFG_PB_ETH_CFG1);
#endif #endif
#if CFG_ETH_CFG2_VALUE #if CFG_ETH_CFG2_VALUE
value |= CFG_PB_ETH_CFG2; value |= CFG_PB_ETH_CFG2;
#else #else
value &= ~(CFG_PB_ETH_CFG2); value &= ~(CFG_PB_ETH_CFG2);
#endif #endif
#if CFG_ETH_CFG3_VALUE #if CFG_ETH_CFG3_VALUE
value |= CFG_PB_ETH_CFG3; value |= CFG_PB_ETH_CFG3;
#else #else
value &= ~(CFG_PB_ETH_CFG3); value &= ~(CFG_PB_ETH_CFG3);
#endif #endif
/* Drive output signals to initial state */ /* Drive output signals to initial state */
immr->im_cpm.cp_pbdat = value; immr->im_cpm.cp_pbdat = value;
immr->im_cpm.cp_pbdir |= ETH_ALL_BITS; immr->im_cpm.cp_pbdir |= ETH_ALL_BITS;
udelay (10000); udelay (10000);
/* De-assert Ethernet Powerdown */ /* De-assert Ethernet Powerdown */
immr->im_cpm.cp_pbdat &= ~(CFG_PB_ETH_POWERDOWN); /* Enable PHY power */ immr->im_cpm.cp_pbdat &= ~(CFG_PB_ETH_POWERDOWN); /* Enable PHY power */
udelay (10000); udelay (10000);
/* de-assert RESET signal of PHY */ /* de-assert RESET signal of PHY */
immr->im_cpm.cp_pbdat |= CFG_PB_ETH_RESET; immr->im_cpm.cp_pbdat |= CFG_PB_ETH_RESET;
udelay (1000); udelay (1000);
} }
@ -403,23 +373,23 @@ void reset_phy(void)
#define PUMA_READ_MODE 0 #define PUMA_READ_MODE 0
#define PUMA_LOAD_MODE 1 #define PUMA_LOAD_MODE 1
int do_puma (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) int do_puma (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
{ {
ulong addr, len; ulong addr, len;
switch (argc) { switch (argc) {
case 2: /* PUMA reset */ case 2: /* PUMA reset */
if (strncmp(argv[1], "stat", 4) == 0) { /* Reset */ if (strncmp (argv[1], "stat", 4) == 0) { /* Reset */
puma_status (); puma_status ();
return 0; return 0;
} }
break; break;
case 4: /* PUMA load addr len */ case 4: /* PUMA load addr len */
if (strcmp(argv[1],"load") != 0) if (strcmp (argv[1], "load") != 0)
break; break;
addr = simple_strtoul(argv[2], NULL, 16); addr = simple_strtoul (argv[2], NULL, 16);
len = simple_strtoul(argv[3], NULL, 16); len = simple_strtoul (argv[3], NULL, 16);
printf ("PUMA load: addr %08lX len %ld (0x%lX): ", printf ("PUMA load: addr %08lX len %ld (0x%lX): ",
addr, len, len); addr, len, len);
@ -432,47 +402,46 @@ int do_puma (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
printf ("Usage:\n%s\n", cmdtp->usage); printf ("Usage:\n%s\n", cmdtp->usage);
return 1; return 1;
} }
U_BOOT_CMD(
puma, 4, 1, do_puma,
"puma - access PUMA FPGA\n",
"status - print PUMA status\n"
"puma load addr len - load PUMA configuration data\n"
);
#endif /* CFG_CMD_BSP */ U_BOOT_CMD (puma, 4, 1, do_puma,
"puma - access PUMA FPGA\n",
"status - print PUMA status\n"
"puma load addr len - load PUMA configuration data\n");
#endif /* CFG_CMD_BSP */
/* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . */ /* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . */
static void puma_set_mode (int mode) static void puma_set_mode (int mode)
{ {
volatile immap_t *immr = (immap_t *)CFG_IMMR; volatile immap_t *immr = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &immr->im_memctl; volatile memctl8xx_t *memctl = &immr->im_memctl;
/* disable PUMA in memory controller */ /* disable PUMA in memory controller */
#if PCU_E_WITH_SWAPPED_CS /* XXX */ #if PCU_E_WITH_SWAPPED_CS /* XXX */
memctl->memc_br3 = 0; memctl->memc_br3 = 0;
#else /* XXX */ #else /* XXX */
memctl->memc_br4 = 0; memctl->memc_br4 = 0;
#endif /* XXX */ #endif /* XXX */
switch (mode) { switch (mode) {
case PUMA_READ_MODE: case PUMA_READ_MODE:
#if PCU_E_WITH_SWAPPED_CS /* XXX */ #if PCU_E_WITH_SWAPPED_CS /* XXX */
memctl->memc_or3 = PUMA_CONF_OR_READ; memctl->memc_or3 = PUMA_CONF_OR_READ;
memctl->memc_br3 = PUMA_CONF_BR_READ; memctl->memc_br3 = PUMA_CONF_BR_READ;
#else /* XXX */ #else /* XXX */
memctl->memc_or4 = PUMA_CONF_OR_READ; memctl->memc_or4 = PUMA_CONF_OR_READ;
memctl->memc_br4 = PUMA_CONF_BR_READ; memctl->memc_br4 = PUMA_CONF_BR_READ;
#endif /* XXX */ #endif /* XXX */
break; break;
case PUMA_LOAD_MODE: case PUMA_LOAD_MODE:
#if PCU_E_WITH_SWAPPED_CS /* XXX */ #if PCU_E_WITH_SWAPPED_CS /* XXX */
memctl->memc_or3 = PUMA_CONF_OR_LOAD; memctl->memc_or3 = PUMA_CONF_OR_LOAD;
memctl->memc_br3 = PUMA_CONF_BR_LOAD; memctl->memc_br3 = PUMA_CONF_BR_LOAD;
#else /* XXX */ #else /* XXX */
memctl->memc_or4 = PUMA_CONF_OR_READ; memctl->memc_or4 = PUMA_CONF_OR_READ;
memctl->memc_br4 = PUMA_CONF_BR_READ; memctl->memc_br4 = PUMA_CONF_BR_READ;
#endif /* XXX */ #endif /* XXX */
break; break;
} }
} }
@ -483,9 +452,9 @@ static void puma_set_mode (int mode)
static void puma_load (ulong addr, ulong len) static void puma_load (ulong addr, ulong len)
{ {
volatile immap_t *immr = (immap_t *)CFG_IMMR; volatile immap_t *immr = (immap_t *) CFG_IMMR;
volatile uchar *fpga_addr = (volatile uchar *)PUMA_CONF_BASE; /* XXX ??? */ volatile uchar *fpga_addr = (volatile uchar *) PUMA_CONF_BASE; /* XXX ??? */
uchar *data = (uchar *)addr; uchar *data = (uchar *) addr;
int i; int i;
/* align length */ /* align length */
@ -497,7 +466,7 @@ static void puma_load (ulong addr, ulong len)
immr->im_ioport.iop_pcso &= ~(CFG_PC_PUMA_INIT); immr->im_ioport.iop_pcso &= ~(CFG_PC_PUMA_INIT);
immr->im_ioport.iop_pcdir &= ~(CFG_PC_PUMA_INIT); immr->im_ioport.iop_pcdir &= ~(CFG_PC_PUMA_INIT);
#if PCU_E_WITH_SWAPPED_CS /* XXX */ #if PCU_E_WITH_SWAPPED_CS /* XXX */
immr->im_cpm.cp_pbpar &= ~(CFG_PB_PUMA_PROG); /* GPIO */ immr->im_cpm.cp_pbpar &= ~(CFG_PB_PUMA_PROG); /* GPIO */
immr->im_cpm.cp_pbodr &= ~(CFG_PB_PUMA_PROG); /* active output */ immr->im_cpm.cp_pbodr &= ~(CFG_PB_PUMA_PROG); /* active output */
immr->im_cpm.cp_pbdat &= ~(CFG_PB_PUMA_PROG); /* Set low */ immr->im_cpm.cp_pbdat &= ~(CFG_PB_PUMA_PROG); /* Set low */
@ -510,14 +479,14 @@ static void puma_load (ulong addr, ulong len)
#endif /* XXX */ #endif /* XXX */
udelay (100); udelay (100);
#if PCU_E_WITH_SWAPPED_CS /* XXX */ #if PCU_E_WITH_SWAPPED_CS /* XXX */
immr->im_cpm.cp_pbdat |= CFG_PB_PUMA_PROG; /* release reset */ immr->im_cpm.cp_pbdat |= CFG_PB_PUMA_PROG; /* release reset */
#else #else
immr->im_ioport.iop_padat |= CFG_PA_PUMA_PROG; /* release reset */ immr->im_ioport.iop_padat |= CFG_PA_PUMA_PROG; /* release reset */
#endif /* XXX */ #endif /* XXX */
/* wait until INIT indicates completion of reset */ /* wait until INIT indicates completion of reset */
for (i=0; i<PUMA_INIT_TIMEOUT; ++i) { for (i = 0; i < PUMA_INIT_TIMEOUT; ++i) {
udelay (1000); udelay (1000);
if (immr->im_ioport.iop_pcdat & CFG_PC_PUMA_INIT) if (immr->im_ioport.iop_pcdat & CFG_PC_PUMA_INIT)
break; break;
@ -543,18 +512,18 @@ static void puma_status (void)
{ {
/* Check state */ /* Check state */
printf ("PUMA initialization is %scomplete\n", printf ("PUMA initialization is %scomplete\n",
puma_init_done() ? "" : "NOT "); puma_init_done ()? "" : "NOT ");
} }
/* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . */ /* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . */
static int puma_init_done (void) static int puma_init_done (void)
{ {
volatile immap_t *immr = (immap_t *)CFG_IMMR; volatile immap_t *immr = (immap_t *) CFG_IMMR;
/* make sure pin is GPIO input */ /* make sure pin is GPIO input */
immr->im_ioport.iop_pcpar &= ~(CFG_PC_PUMA_DONE); immr->im_ioport.iop_pcpar &= ~(CFG_PC_PUMA_DONE);
immr->im_ioport.iop_pcso &= ~(CFG_PC_PUMA_DONE); immr->im_ioport.iop_pcso &= ~(CFG_PC_PUMA_DONE);
immr->im_ioport.iop_pcdir &= ~(CFG_PC_PUMA_DONE); immr->im_ioport.iop_pcdir &= ~(CFG_PC_PUMA_DONE);
return (immr->im_ioport.iop_pcdat & CFG_PC_PUMA_DONE) ? 1 : 0; return (immr->im_ioport.iop_pcdat & CFG_PC_PUMA_DONE) ? 1 : 0;
@ -565,20 +534,20 @@ static int puma_init_done (void)
int misc_init_r (void) int misc_init_r (void)
{ {
ulong addr = 0; ulong addr = 0;
ulong len = 0; ulong len = 0;
char *s; char *s;
printf ("PUMA: "); printf ("PUMA: ");
if (puma_init_done()) { if (puma_init_done ()) {
printf ("initialized\n"); printf ("initialized\n");
return 0; return 0;
} }
if ((s = getenv("puma_addr")) != NULL) if ((s = getenv ("puma_addr")) != NULL)
addr = simple_strtoul(s, NULL, 16); addr = simple_strtoul (s, NULL, 16);
if ((s = getenv("puma_len")) != NULL) if ((s = getenv ("puma_len")) != NULL)
len = simple_strtoul(s, NULL, 16); len = simple_strtoul (s, NULL, 16);
if ((!addr) || (!len)) { if ((!addr) || (!len)) {
printf ("net list undefined\n"); printf ("net list undefined\n");

56
board/sl8245/sl8245.c
View file

@ -37,50 +37,24 @@ int checkboard (void)
long int initdram (int board_type) long int initdram (int board_type)
{ {
#ifndef CFG_RAMBOOT #ifndef CFG_RAMBOOT
int i, cnt; long size;
volatile uchar * base= CFG_SDRAM_BASE; long new_bank0_end;
volatile ulong * addr; long mear1;
ulong save[32]; long emear1;
ulong val, ret = 0;
for (i=0, cnt=(CFG_MAX_RAM_SIZE / sizeof(long)) >> 1; cnt > 0; cnt >>= 1) { size = get_ram_size(CFG_SDRAM_BASE, CFG_MAX_RAM_SIZE);
addr = (volatile ulong *)base + cnt;
save[i++] = *addr;
*addr = ~cnt;
}
addr = (volatile ulong *)base; new_bank0_end = size - 1;
save[i] = *addr; mear1 = mpc824x_mpc107_getreg(MEAR1);
*addr = 0; emear1 = mpc824x_mpc107_getreg(EMEAR1);
mear1 = (mear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT);
emear1 = (emear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT);
mpc824x_mpc107_setreg(MEAR1, mear1);
mpc824x_mpc107_setreg(EMEAR1, emear1);
if (*addr != 0) { return (size);
*addr = save[i];
goto Done;
}
for (cnt = 1; cnt < CFG_MAX_RAM_SIZE / sizeof(long); cnt <<= 1) {
addr = (volatile ulong *)base + cnt;
val = *addr;
*addr = save[--i];
if (val != ~cnt) {
ulong new_bank0_end = cnt * sizeof(long) - 1;
ulong mear1 = mpc824x_mpc107_getreg(MEAR1);
ulong emear1 = mpc824x_mpc107_getreg(EMEAR1);
mear1 = (mear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT);
emear1 = (emear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT);
mpc824x_mpc107_setreg(MEAR1, mear1);
mpc824x_mpc107_setreg(EMEAR1, emear1);
ret = cnt * sizeof(long);
goto Done;
}
}
ret = CFG_MAX_RAM_SIZE;
Done:
return ret;
#else #else
return CFG_MAX_RAM_SIZE; return CFG_MAX_RAM_SIZE;
#endif #endif

26
board/snmc/qs850/qs850.c
View file

@ -222,32 +222,8 @@ static long int dram_size (long int mamr_value, long int *base, long int maxsize
{ {
volatile immap_t *immap = (immap_t *)CFG_IMMR; volatile immap_t *immap = (immap_t *)CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl; volatile memctl8xx_t *memctl = &immap->im_memctl;
volatile long int *addr;
long int cnt, val;
memctl->memc_mamr = mamr_value; memctl->memc_mamr = mamr_value;
for (cnt = maxsize/sizeof(long); cnt > 0; cnt >>= 1) { return (get_ram_size(base, maxsize));
addr = base + cnt; /* pointer arith! */
*addr = ~cnt;
}
/* write 0 to base address */
addr = base;
*addr = 0;
/* check at base address */
if ((val = *addr) != 0) {
return (0);
}
for (cnt = 1; ; cnt <<= 1) {
addr = base + cnt; /* pointer arith! */
val = *addr;
if (val != (~cnt)) {
return (cnt * sizeof(long));
}
}
/* NOTREACHED */
} }

25
board/snmc/qs860t/qs860t.c
View file

@ -229,31 +229,8 @@ static long int dram_size (long int mbmr_value, long int *base, long int maxsize
{ {
volatile immap_t *immap = (immap_t *)CFG_IMMR; volatile immap_t *immap = (immap_t *)CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl; volatile memctl8xx_t *memctl = &immap->im_memctl;
volatile long int *addr;
long int cnt, val;
memctl->memc_mbmr = mbmr_value; memctl->memc_mbmr = mbmr_value;
for (cnt = maxsize/sizeof(long); cnt > 0; cnt >>= 1) { return (get_ram_size(base, maxsize));
addr = base + cnt; /* pointer arith! */
*addr = ~cnt;
}
/* write 0 to base address */
addr = base;
*addr = 0;
/* check at base address */
if ((val = *addr) != 0) {
return (0);
}
for (cnt = 1; ; cnt <<= 1) {
addr = base + cnt; /* pointer arith! */
val = *addr;
if (val != (~cnt)) {
return (cnt * sizeof(long));
}
}
/* NOTREACHED */
} }

200
board/spd8xx/spd8xx.c
View file

@ -34,14 +34,13 @@ static long int dram_size (long int, long int *, long int);
#define _NOT_USED_ 0xFFFFFFFF #define _NOT_USED_ 0xFFFFFFFF
const uint sharc_table[] = const uint sharc_table[] = {
{
/* /*
* Single Read. (Offset 0 in UPM RAM) * Single Read. (Offset 0 in UPM RAM)
*/ */
0x0FF3FC04, 0x0FF3EC00, 0x7FFFEC04, 0xFFFFEC04, 0x0FF3FC04, 0x0FF3EC00, 0x7FFFEC04, 0xFFFFEC04,
0xFFFFEC05, /* last */ 0xFFFFEC05, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* /*
* Burst Read. (Offset 8 in UPM RAM) * Burst Read. (Offset 8 in UPM RAM)
*/ */
@ -54,8 +53,8 @@ const uint sharc_table[] =
* Single Write. (Offset 18 in UPM RAM) * Single Write. (Offset 18 in UPM RAM)
*/ */
0x0FAFFC04, 0x0FAFEC00, 0x7FFFEC04, 0xFFFFEC04, 0x0FAFFC04, 0x0FAFEC00, 0x7FFFEC04, 0xFFFFEC04,
0xFFFFEC05, /* last */ 0xFFFFEC05, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* /*
* Burst Write. (Offset 20 in UPM RAM) * Burst Write. (Offset 20 in UPM RAM)
*/ */
@ -74,18 +73,17 @@ const uint sharc_table[] =
/* /*
* Exception. (Offset 3c in UPM RAM) * Exception. (Offset 3c in UPM RAM)
*/ */
0x7FFFFC07, /* last */ 0x7FFFFC07, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
}; };
const uint sdram_table[] = const uint sdram_table[] = {
{
/* /*
* Single Read. (Offset 0 in UPM RAM) * Single Read. (Offset 0 in UPM RAM)
*/ */
0x1F07FC04, 0xEEAEFC04, 0x11ADFC04, 0xEFBBBC00, 0x1F07FC04, 0xEEAEFC04, 0x11ADFC04, 0xEFBBBC00,
0x1FF77C47, /* last */ 0x1FF77C47, /* last */
/* /*
* SDRAM Initialization (offset 5 in UPM RAM) * SDRAM Initialization (offset 5 in UPM RAM)
* *
@ -94,39 +92,39 @@ const uint sdram_table[] =
* sequence, which is executed by a RUN command. * sequence, which is executed by a RUN command.
* *
*/ */
0x1FF77C35, 0xEFEABC34, 0x1FB57C35, /* last */ 0x1FF77C35, 0xEFEABC34, 0x1FB57C35, /* last */
/* /*
* Burst Read. (Offset 8 in UPM RAM) * Burst Read. (Offset 8 in UPM RAM)
*/ */
0x1F07FC04, 0xEEAEFC04, 0x10ADFC04, 0xF0AFFC00, 0x1F07FC04, 0xEEAEFC04, 0x10ADFC04, 0xF0AFFC00,
0xF0AFFC00, 0xF1AFFC00, 0xEFBBBC00, 0x1FF77C47, /* last */ 0xF0AFFC00, 0xF1AFFC00, 0xEFBBBC00, 0x1FF77C47, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* /*
* Single Write. (Offset 18 in UPM RAM) * Single Write. (Offset 18 in UPM RAM)
*/ */
0x1F27FC04, 0xEEAEBC00, 0x01B93C04, 0x1FF77C47, /* last */ 0x1F27FC04, 0xEEAEBC00, 0x01B93C04, 0x1FF77C47, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* /*
* Burst Write. (Offset 20 in UPM RAM) * Burst Write. (Offset 20 in UPM RAM)
*/ */
0x1F07FC04, 0xEEAEBC00, 0x10AD7C00, 0xF0AFFC00, 0x1F07FC04, 0xEEAEBC00, 0x10AD7C00, 0xF0AFFC00,
0xF0AFFC00, 0xE1BBBC04, 0x1FF77C47, /* last */ 0xF0AFFC00, 0xE1BBBC04, 0x1FF77C47, /* last */
_NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* /*
* Refresh (Offset 30 in UPM RAM) * Refresh (Offset 30 in UPM RAM)
*/ */
0x1FF5FC84, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04, 0x1FF5FC84, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04,
0xFFFFFC84, 0xFFFFFC07, /* last */ 0xFFFFFC84, 0xFFFFFC07, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* /*
* Exception. (Offset 3c in UPM RAM) * Exception. (Offset 3c in UPM RAM)
*/ */
0x7FFFFC07, /* last */ 0x7FFFFC07, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
}; };
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */
@ -145,71 +143,74 @@ int checkboard (void)
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */
long int long int initdram (int board_type)
initdram (int board_type)
{ {
volatile immap_t *immap = (immap_t *)CFG_IMMR; volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl; volatile memctl8xx_t *memctl = &immap->im_memctl;
long int size_b0; long int size_b0;
#if 0 #if 0
/* /*
* Map controller bank 2 to the SRAM bank at preliminary address. * Map controller bank 2 to the SRAM bank at preliminary address.
*/ */
memctl->memc_or2 = CFG_OR2; memctl->memc_or2 = CFG_OR2;
memctl->memc_br2 = CFG_BR2; memctl->memc_br2 = CFG_BR2;
#endif #endif
/* /*
* Map controller bank 4 to the PER8 bank. * Map controller bank 4 to the PER8 bank.
*/ */
memctl->memc_or4 = CFG_OR4; memctl->memc_or4 = CFG_OR4;
memctl->memc_br4 = CFG_BR4; memctl->memc_br4 = CFG_BR4;
#if 0 #if 0
/* Configure SHARC at UMA */ /* Configure SHARC at UMA */
upmconfig(UPMA, (uint *)sharc_table, sizeof(sharc_table)/sizeof(uint)); upmconfig (UPMA, (uint *) sharc_table,
/* Map controller bank 5 to the SHARC */ sizeof (sharc_table) / sizeof (uint));
memctl->memc_or5 = CFG_OR5; /* Map controller bank 5 to the SHARC */
memctl->memc_br5 = CFG_BR5; memctl->memc_or5 = CFG_OR5;
memctl->memc_br5 = CFG_BR5;
#endif #endif
memctl->memc_mamr = 0x00001000; memctl->memc_mamr = 0x00001000;
/* Configure SDRAM at UMB */ /* Configure SDRAM at UMB */
upmconfig(UPMB, (uint *)sdram_table, sizeof(sdram_table)/sizeof(uint)); upmconfig (UPMB, (uint *) sdram_table,
sizeof (sdram_table) / sizeof (uint));
memctl->memc_mptpr = CFG_MPTPR_1BK_8K; memctl->memc_mptpr = CFG_MPTPR_1BK_8K;
memctl->memc_mar = 0x00000088; memctl->memc_mar = 0x00000088;
/* /*
* Map controller bank 3 to the SDRAM bank at preliminary address. * Map controller bank 3 to the SDRAM bank at preliminary address.
*/ */
memctl->memc_or3 = CFG_OR3_PRELIM; memctl->memc_or3 = CFG_OR3_PRELIM;
memctl->memc_br3 = CFG_BR3_PRELIM; memctl->memc_br3 = CFG_BR3_PRELIM;
memctl->memc_mbmr = CFG_MBMR_8COL; /* refresh not enabled yet */ memctl->memc_mbmr = CFG_MBMR_8COL; /* refresh not enabled yet */
udelay(200); udelay (200);
memctl->memc_mcr = 0x80806105; memctl->memc_mcr = 0x80806105;
udelay(1); udelay (1);
memctl->memc_mcr = 0x80806130; memctl->memc_mcr = 0x80806130;
udelay(1); udelay (1);
memctl->memc_mcr = 0x80806130; memctl->memc_mcr = 0x80806130;
udelay(1); udelay (1);
memctl->memc_mcr = 0x80806106; memctl->memc_mcr = 0x80806106;
memctl->memc_mbmr |= MBMR_PTBE; /* refresh enabled */ memctl->memc_mbmr |= MBMR_PTBE; /* refresh enabled */
/* /*
* Check Bank 0 Memory Size for re-configuration * Check Bank 0 Memory Size for re-configuration
*/ */
size_b0 = dram_size (CFG_MBMR_8COL, (ulong *)SDRAM_BASE3_PRELIM, SDRAM_MAX_SIZE); size_b0 =
dram_size (CFG_MBMR_8COL, (ulong *) SDRAM_BASE3_PRELIM,
SDRAM_MAX_SIZE);
memctl->memc_mbmr = CFG_MBMR_8COL | MBMR_PTBE; memctl->memc_mbmr = CFG_MBMR_8COL | MBMR_PTBE;
return (size_b0); return (size_b0);
} }
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */
@ -222,60 +223,29 @@ initdram (int board_type)
* - short between data lines * - short between data lines
*/ */
static long int dram_size (long int mamr_value, long int *base, long int maxsize) static long int dram_size (long int mamr_value, long int *base,
long int maxsize)
{ {
volatile immap_t *immap = (immap_t *)CFG_IMMR; volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl; volatile memctl8xx_t *memctl = &immap->im_memctl;
volatile long int *addr;
ulong cnt, val;
ulong save[32]; /* to make test non-destructive */
unsigned char i = 0;
memctl->memc_mbmr = mamr_value; memctl->memc_mbmr = mamr_value;
for (cnt = maxsize/sizeof(long); cnt > 0; cnt >>= 1) { return (get_ram_size (base, maxsize));
addr = base + cnt; /* pointer arith! */
save[i++] = *addr;
*addr = ~cnt;
}
/* write 0 to base address */
addr = base;
save[i] = *addr;
*addr = 0;
/* check at base address */
if ((val = *addr) != 0) {
*addr = save[i];
return (0);
}
for (cnt = 1; cnt <= maxsize/sizeof(long); cnt <<= 1) {
addr = base + cnt; /* pointer arith! */
val = *addr;
*addr = save[--i];
if (val != (~cnt)) {
return (cnt * sizeof(long));
}
}
return (maxsize);
} }
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */
void reset_phy(void) void reset_phy (void)
{ {
immap_t *immr = (immap_t *)CFG_IMMR; immap_t *immr = (immap_t *) CFG_IMMR;
ushort sreg; ushort sreg;
/* Configure extra port pins for NS DP83843 PHY */ /* Configure extra port pins for NS DP83843 PHY */
immr->im_ioport.iop_papar &= ~(PA_ENET_MDC | PA_ENET_MDIO); immr->im_ioport.iop_papar &= ~(PA_ENET_MDC | PA_ENET_MDIO);
sreg = immr->im_ioport.iop_padir; sreg = immr->im_ioport.iop_padir;
sreg |= PA_ENET_MDC; /* Mgmt. Data Clock is Output */ sreg |= PA_ENET_MDC; /* Mgmt. Data Clock is Output */
sreg &= ~(PA_ENET_MDIO); /* Mgmt. Data I/O is bidirect. => Input */ sreg &= ~(PA_ENET_MDIO); /* Mgmt. Data I/O is bidirect. => Input */
immr->im_ioport.iop_padir = sreg; immr->im_ioport.iop_padir = sreg;
@ -288,23 +258,23 @@ void reset_phy(void)
* Configure RESET pins for NS DP83843 PHY, and RESET chip. * Configure RESET pins for NS DP83843 PHY, and RESET chip.
* *
* Note: The RESET pin is high active, but there is an * Note: The RESET pin is high active, but there is an
* inverter on the SPD823TS board... * inverter on the SPD823TS board...
*/ */
immr->im_ioport.iop_pcpar &= ~(PC_ENET_RESET); immr->im_ioport.iop_pcpar &= ~(PC_ENET_RESET);
immr->im_ioport.iop_pcdir |= PC_ENET_RESET; immr->im_ioport.iop_pcdir |= PC_ENET_RESET;
/* assert RESET signal of PHY */ /* assert RESET signal of PHY */
immr->im_ioport.iop_pcdat &= ~(PC_ENET_RESET); immr->im_ioport.iop_pcdat &= ~(PC_ENET_RESET);
udelay (10); udelay (10);
/* de-assert RESET signal of PHY */ /* de-assert RESET signal of PHY */
immr->im_ioport.iop_pcdat |= PC_ENET_RESET; immr->im_ioport.iop_pcdat |= PC_ENET_RESET;
udelay (10); udelay (10);
} }
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */
void ide_set_reset(int on) void ide_set_reset (int on)
{ {
volatile immap_t *immr = (immap_t *)CFG_IMMR; volatile immap_t *immr = (immap_t *) CFG_IMMR;
/* /*
* Configure PC for IDE Reset Pin * Configure PC for IDE Reset Pin
@ -312,13 +282,13 @@ void ide_set_reset(int on)
if (on) { /* assert RESET */ if (on) { /* assert RESET */
immr->im_ioport.iop_pcdat &= ~(CFG_PC_IDE_RESET); immr->im_ioport.iop_pcdat &= ~(CFG_PC_IDE_RESET);
} else { /* release RESET */ } else { /* release RESET */
immr->im_ioport.iop_pcdat |= CFG_PC_IDE_RESET; immr->im_ioport.iop_pcdat |= CFG_PC_IDE_RESET;
} }
/* program port pin as GPIO output */ /* program port pin as GPIO output */
immr->im_ioport.iop_pcpar &= ~(CFG_PC_IDE_RESET); immr->im_ioport.iop_pcpar &= ~(CFG_PC_IDE_RESET);
immr->im_ioport.iop_pcso &= ~(CFG_PC_IDE_RESET); immr->im_ioport.iop_pcso &= ~(CFG_PC_IDE_RESET);
immr->im_ioport.iop_pcdir |= CFG_PC_IDE_RESET; immr->im_ioport.iop_pcdir |= CFG_PC_IDE_RESET;
} }
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */

53
board/tqm8260/tqm8260.c
View file

@ -224,13 +224,10 @@ static long int try_init (volatile memctl8260_t * memctl, ulong sdmr,
ulong orx, volatile uchar * base) ulong orx, volatile uchar * base)
{ {
volatile uchar c = 0xff; volatile uchar c = 0xff;
ulong cnt, val;
volatile ulong *addr;
volatile uint *sdmr_ptr; volatile uint *sdmr_ptr;
volatile uint *orx_ptr; volatile uint *orx_ptr;
int i;
ulong save[32]; /* to make test non-destructive */
ulong maxsize, size; ulong maxsize, size;
int i;
/* We must be able to test a location outsize the maximum legal size /* We must be able to test a location outsize the maximum legal size
* to find out THAT we are outside; but this address still has to be * to find out THAT we are outside; but this address still has to be
@ -280,52 +277,10 @@ static long int try_init (volatile memctl8260_t * memctl, ulong sdmr,
*sdmr_ptr = sdmr | PSDMR_OP_NORM | PSDMR_RFEN; *sdmr_ptr = sdmr | PSDMR_OP_NORM | PSDMR_RFEN;
*base = c; *base = c;
/* size = get_ram_size((long *)base, maxsize);
* Check memory range for valid RAM. A simple memory test determines *orx_ptr = orx | ~(size - 1);
* the actually available RAM size between addresses `base' and
* `base + maxsize'. Some (not all) hardware errors are detected:
* - short between address lines
* - short between data lines
*/
i = 0;
for (cnt = maxsize / sizeof (long); cnt > 0; cnt >>= 1) {
addr = (volatile ulong *) base + cnt; /* pointer arith! */
save[i++] = *addr;
*addr = ~cnt;
}
addr = (volatile ulong *) base; return (size);
save[i] = *addr;
*addr = 0;
if ((val = *addr) != 0) {
/* Restore the original data before leaving the function. */
*addr = save[i];
for (cnt = 1; cnt <= maxsize / sizeof(long); cnt <<= 1) {
addr = (volatile ulong *) base + cnt;
*addr = save[--i];
}
return (0);
}
for (cnt = 1; cnt <= maxsize / sizeof (long); cnt <<= 1) {
addr = (volatile ulong *) base + cnt; /* pointer arith! */
val = *addr;
*addr = save[--i];
if (val != ~cnt) {
size = cnt * sizeof (long);
/* Restore the original data before leaving the function. */
for (cnt <<= 1; cnt <= maxsize / sizeof (long); cnt <<= 1) {
addr = (volatile ulong *) base + cnt;
*addr = save[--i];
}
/* Write the actual size to ORx
*/
*orx_ptr = orx | ~(size - 1);
return (size);
}
}
return (maxsize);
} }
long int initdram (int board_type) long int initdram (int board_type)

47
board/tqm8xx/tqm8xx.c
View file

@ -398,55 +398,10 @@ static long int dram_size (long int mamr_value, long int *base, long int maxsize
{ {
volatile immap_t *immap = (immap_t *) CFG_IMMR; volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl; volatile memctl8xx_t *memctl = &immap->im_memctl;
volatile long int *addr;
ulong cnt, val, size;
ulong save[32]; /* to make test non-destructive */
unsigned char i = 0;
memctl->memc_mamr = mamr_value; memctl->memc_mamr = mamr_value;
for (cnt = maxsize / sizeof (long); cnt > 0; cnt >>= 1) { return (get_ram_size(base, maxsize));
addr = base + cnt; /* pointer arith! */
save[i++] = *addr;
*addr = ~cnt;
}
/* write 0 to base address */
addr = base;
save[i] = *addr;
*addr = 0;
/* check at base address */
if ((val = *addr) != 0) {
/* Restore the original data before leaving the function.
*/
*addr = save[i];
for (cnt = 1; cnt <= maxsize / sizeof(long); cnt <<= 1) {
addr = (volatile ulong *) base + cnt;
*addr = save[--i];
}
return (0);
}
for (cnt = 1; cnt <= maxsize / sizeof (long); cnt <<= 1) {
addr = base + cnt; /* pointer arith! */
val = *addr;
*addr = save[--i];
if (val != (~cnt)) {
size = cnt * sizeof (long);
/* Restore the original data before returning
*/
for (cnt <<= 1; cnt <= maxsize / sizeof (long); cnt <<= 1) {
addr = (volatile ulong *) base + cnt;
*addr = save[--i];
}
return (size);
}
}
return (maxsize);
} }
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */

60
board/utx8245/utx8245.c
View file

@ -49,11 +49,10 @@ int checkboard(void)
long int initdram(int board_type) long int initdram(int board_type)
{ {
#if 1 #if 1
int i, cnt; long size;
volatile uchar *base = CFG_SDRAM_BASE; long new_bank0_end;
volatile ulong *addr; long mear1;
ulong save[SAVE_SZ]; long emear1;
ulong val, ret = 0;
/* /*
write_bat(IBAT1, ((CFG_MAX_RAM_SIZE/2) | BATU_BL_256M | BATU_VS | BATU_VP), write_bat(IBAT1, ((CFG_MAX_RAM_SIZE/2) | BATU_BL_256M | BATU_VS | BATU_VP),
( (CFG_MAX_RAM_SIZE/2)| BATL_PP_10 | BATL_MEMCOHERENCE)); ( (CFG_MAX_RAM_SIZE/2)| BATL_PP_10 | BATL_MEMCOHERENCE));
@ -61,48 +60,19 @@ long int initdram(int board_type)
write_bat(DBAT1, ((CFG_MAX_RAM_SIZE/2) | BATU_BL_256M | BATU_VS | BATU_VP), write_bat(DBAT1, ((CFG_MAX_RAM_SIZE/2) | BATU_BL_256M | BATU_VS | BATU_VP),
( (CFG_MAX_RAM_SIZE/2)| BATL_PP_10 | BATL_MEMCOHERENCE)); ( (CFG_MAX_RAM_SIZE/2)| BATL_PP_10 | BATL_MEMCOHERENCE));
*/ */
for (i=0; i<SAVE_SZ; i++) { size = get_ram_size(CFG_SDRAM_BASE, CFG_MAX_RAM_SIZE);
save[i] = 0; /* clear table */
}
for (i=0, cnt=(CFG_MAX_RAM_SIZE / sizeof(long)) >> 1; cnt > 0; cnt >>= 1) { new_bank0_end = size - 1;
addr = (volatile ulong *)base + cnt; mear1 = mpc824x_mpc107_getreg(MEAR1);
save[i++] = *addr; emear1 = mpc824x_mpc107_getreg(EMEAR1);
*addr = ~cnt; mear1 = (mear1 & 0xFFFFFF00) |
} ((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT);
emear1 = (emear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT);
mpc824x_mpc107_setreg(MEAR1, mear1);
mpc824x_mpc107_setreg(EMEAR1, emear1);
addr = (volatile ulong *)base; return (size);
save[i] = *addr;
*addr = 0;
if (*addr != 0) {
*addr = save[i];
goto Done;
}
for (cnt = 1; cnt < CFG_MAX_RAM_SIZE / sizeof(long); cnt <<= 1) {
addr = (volatile ulong *)base + cnt;
val = *addr;
*addr = save[--i];
if (val != ~cnt) {
ulong new_bank0_end = cnt * sizeof(long) - 1;
ulong mear1 = mpc824x_mpc107_getreg(MEAR1);
ulong emear1 = mpc824x_mpc107_getreg(EMEAR1);
mear1 = (mear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT);
emear1 = (emear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT);
mpc824x_mpc107_setreg(MEAR1, mear1);
mpc824x_mpc107_setreg(EMEAR1, emear1);
ret = cnt * sizeof(long);
goto Done;
}
}
ret = CFG_MAX_RAM_SIZE;
Done:
return ret;
#else #else
return (CFG_MAX_RAM_SIZE); return (CFG_MAX_RAM_SIZE);
#endif #endif

309
board/w7o/w7o.c
View file

@ -30,7 +30,7 @@
#include "errors.h" #include "errors.h"
#include <watchdog.h> #include <watchdog.h>
unsigned long get_dram_size(void); unsigned long get_dram_size (void);
/* /*
* Macros to transform values * Macros to transform values
@ -44,78 +44,78 @@ unsigned long get_dram_size(void);
int board_pre_init (void) int board_pre_init (void)
{ {
#if defined(CONFIG_W7OLMG) #if defined(CONFIG_W7OLMG)
/* /*
* Setup GPIO pins - reset devices. * Setup GPIO pins - reset devices.
*/ */
out32(IBM405GP_GPIO0_ODR, 0x10000000); /* one open drain pin */ out32 (IBM405GP_GPIO0_ODR, 0x10000000); /* one open drain pin */
out32(IBM405GP_GPIO0_OR, 0x3E000000); /* set output pins to default */ out32 (IBM405GP_GPIO0_OR, 0x3E000000); /* set output pins to default */
out32(IBM405GP_GPIO0_TCR, 0x7f800000); /* setup for output */ out32 (IBM405GP_GPIO0_TCR, 0x7f800000); /* setup for output */
/* /*
* IRQ 0-15 405GP internally generated; active high; level sensitive * IRQ 0-15 405GP internally generated; active high; level sensitive
* IRQ 16 405GP internally generated; active low; level sensitive * IRQ 16 405GP internally generated; active low; level sensitive
* IRQ 17-24 RESERVED * IRQ 17-24 RESERVED
* IRQ 25 (EXT IRQ 0) XILINX; active low; level sensitive * IRQ 25 (EXT IRQ 0) XILINX; active low; level sensitive
* IRQ 26 (EXT IRQ 1) PCI INT A; active low; level sensitive * IRQ 26 (EXT IRQ 1) PCI INT A; active low; level sensitive
* IRQ 27 (EXT IRQ 2) PCI INT B; active low; level sensitive * IRQ 27 (EXT IRQ 2) PCI INT B; active low; level sensitive
* IRQ 28 (EXT IRQ 3) SAM 2; active low; level sensitive * IRQ 28 (EXT IRQ 3) SAM 2; active low; level sensitive
* IRQ 29 (EXT IRQ 4) Battery Bad; active low; level sensitive * IRQ 29 (EXT IRQ 4) Battery Bad; active low; level sensitive
* IRQ 30 (EXT IRQ 5) Level One PHY; active low; level sensitive * IRQ 30 (EXT IRQ 5) Level One PHY; active low; level sensitive
* IRQ 31 (EXT IRQ 6) SAM 1; active high; level sensitive * IRQ 31 (EXT IRQ 6) SAM 1; active high; level sensitive
*/ */
mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */ mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */
mtdcr(uicer, 0x00000000); /* disable all ints */ mtdcr (uicer, 0x00000000); /* disable all ints */
mtdcr(uiccr, 0x00000000); /* set all to be non-critical*/ mtdcr (uiccr, 0x00000000); /* set all to be non-critical */
mtdcr(uicpr, 0xFFFFFF80); /* set int polarities */ mtdcr (uicpr, 0xFFFFFF80); /* set int polarities */
mtdcr(uictr, 0x10000000); /* set int trigger levels */ mtdcr (uictr, 0x10000000); /* set int trigger levels */
mtdcr(uicvcr, 0x00000001); /* set vect base=0, mtdcr (uicvcr, 0x00000001); /* set vect base=0,
INT0 highest priority*/ INT0 highest priority */
mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */ mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */
#elif defined(CONFIG_W7OLMC) #elif defined(CONFIG_W7OLMC)
/* /*
* Setup GPIO pins * Setup GPIO pins
*/ */
out32(IBM405GP_GPIO0_ODR, 0x01800000); /* XCV Done Open Drain */ out32 (IBM405GP_GPIO0_ODR, 0x01800000); /* XCV Done Open Drain */
out32(IBM405GP_GPIO0_OR, 0x03800000); /* set out pins to default */ out32 (IBM405GP_GPIO0_OR, 0x03800000); /* set out pins to default */
out32(IBM405GP_GPIO0_TCR, 0x66C00000); /* setup for output */ out32 (IBM405GP_GPIO0_TCR, 0x66C00000); /* setup for output */
/* /*
* IRQ 0-15 405GP internally generated; active high; level sensitive * IRQ 0-15 405GP internally generated; active high; level sensitive
* IRQ 16 405GP internally generated; active low; level sensitive * IRQ 16 405GP internally generated; active low; level sensitive
* IRQ 17-24 RESERVED * IRQ 17-24 RESERVED
* IRQ 25 (EXT IRQ 0) DBE 0; active low; level sensitive * IRQ 25 (EXT IRQ 0) DBE 0; active low; level sensitive
* IRQ 26 (EXT IRQ 1) DBE 1; active low; level sensitive * IRQ 26 (EXT IRQ 1) DBE 1; active low; level sensitive
* IRQ 27 (EXT IRQ 2) DBE 2; active low; level sensitive * IRQ 27 (EXT IRQ 2) DBE 2; active low; level sensitive
* IRQ 28 (EXT IRQ 3) DBE Common; active low; level sensitive * IRQ 28 (EXT IRQ 3) DBE Common; active low; level sensitive
* IRQ 29 (EXT IRQ 4) PCI; active low; level sensitive * IRQ 29 (EXT IRQ 4) PCI; active low; level sensitive
* IRQ 30 (EXT IRQ 5) RCMM Reset; active low; level sensitive * IRQ 30 (EXT IRQ 5) RCMM Reset; active low; level sensitive
* IRQ 31 (EXT IRQ 6) PHY; active high; level sensitive * IRQ 31 (EXT IRQ 6) PHY; active high; level sensitive
*/ */
mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */ mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */
mtdcr(uicer, 0x00000000); /* disable all ints */ mtdcr (uicer, 0x00000000); /* disable all ints */
mtdcr(uiccr, 0x00000000); /* set all to be non-critical*/ mtdcr (uiccr, 0x00000000); /* set all to be non-critical */
mtdcr(uicpr, 0xFFFFFF80); /* set int polarities */ mtdcr (uicpr, 0xFFFFFF80); /* set int polarities */
mtdcr(uictr, 0x10000000); /* set int trigger levels */ mtdcr (uictr, 0x10000000); /* set int trigger levels */
mtdcr(uicvcr, 0x00000001); /* set vect base=0, mtdcr (uicvcr, 0x00000001); /* set vect base=0,
INT0 highest priority*/ INT0 highest priority */
mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */ mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */
#else /* Unknown */ #else /* Unknown */
# error "Unknown W7O board configuration" # error "Unknown W7O board configuration"
#endif #endif
WATCHDOG_RESET(); /* Reset the watchdog */ WATCHDOG_RESET (); /* Reset the watchdog */
temp_uart_init(); /* init the uart for debug */ temp_uart_init (); /* init the uart for debug */
WATCHDOG_RESET(); /* Reset the watchdog */ WATCHDOG_RESET (); /* Reset the watchdog */
test_led(); /* test the LEDs */ test_led (); /* test the LEDs */
test_sdram(get_dram_size()); /* test the dram */ test_sdram (get_dram_size ()); /* test the dram */
log_stat(ERR_POST1); /* log status,post1 complete */ log_stat (ERR_POST1); /* log status,post1 complete */
return 0; return 0;
} }
@ -126,146 +126,147 @@ int board_pre_init (void)
*/ */
int checkboard (void) int checkboard (void)
{ {
VPD vpd; VPD vpd;
puts ("Board: "); puts ("Board: ");
/* VPD data present in I2C EEPROM */ /* VPD data present in I2C EEPROM */
if (vpd_get_data(CFG_DEF_EEPROM_ADDR, &vpd) == 0) { if (vpd_get_data (CFG_DEF_EEPROM_ADDR, &vpd) == 0) {
/* /*
* Known board type. * Known board type.
*/ */
if (vpd.productId[0] && if (vpd.productId[0] &&
((strncmp(vpd.productId, "GMM", 3) == 0) || ((strncmp (vpd.productId, "GMM", 3) == 0) ||
(strncmp(vpd.productId, "CMM", 3) == 0))) { (strncmp (vpd.productId, "CMM", 3) == 0))) {
/* Output board information on startup */ /* Output board information on startup */
printf("\"%s\", revision '%c', serial# %ld, manufacturer %u\n", printf ("\"%s\", revision '%c', serial# %ld, manufacturer %u\n", vpd.productId, vpd.revisionId, vpd.serialNum, vpd.manuID);
vpd.productId, vpd.revisionId, vpd.serialNum, vpd.manuID); return (0);
return (0); }
} }
}
puts ("### Unknown HW ID - assuming NOTHING\n"); puts ("### Unknown HW ID - assuming NOTHING\n");
return (0); return (0);
} }
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */
long int initdram (int board_type) long int initdram (int board_type)
{ {
return get_dram_size(); return get_dram_size ();
} }
unsigned long get_dram_size (void) unsigned long get_dram_size (void)
{ {
int tmp, i, regs[4]; int tmp, i, regs[4];
int size = 0; int size = 0;
/* Get bank Size registers */ /* Get bank Size registers */
mtdcr(memcfga, mem_mb0cf); /* get bank 0 config reg */ mtdcr (memcfga, mem_mb0cf); /* get bank 0 config reg */
regs[0] = mfdcr(memcfgd); regs[0] = mfdcr (memcfgd);
mtdcr(memcfga, mem_mb1cf); /* get bank 1 config reg */ mtdcr (memcfga, mem_mb1cf); /* get bank 1 config reg */
regs[1] = mfdcr(memcfgd); regs[1] = mfdcr (memcfgd);
mtdcr(memcfga, mem_mb2cf); /* get bank 2 config reg */ mtdcr (memcfga, mem_mb2cf); /* get bank 2 config reg */
regs[2] = mfdcr(memcfgd); regs[2] = mfdcr (memcfgd);
mtdcr(memcfga, mem_mb3cf); /* get bank 3 config reg */ mtdcr (memcfga, mem_mb3cf); /* get bank 3 config reg */
regs[3] = mfdcr(memcfgd); regs[3] = mfdcr (memcfgd);
/* compute the size, add each bank if enabled */ /* compute the size, add each bank if enabled */
for(i = 0; i < 4; i++) { for (i = 0; i < 4; i++) {
if (regs[i] & 0x0001) { /* if enabled, */ if (regs[i] & 0x0001) { /* if enabled, */
tmp = ((regs[i] >> (31 - 14)) & 0x7); /* get size bits */ tmp = ((regs[i] >> (31 - 14)) & 0x7); /* get size bits */
tmp = 0x400000 << tmp; /* Size bits X 4MB = size */ tmp = 0x400000 << tmp; /* Size bits X 4MB = size */
size += tmp; size += tmp;
}
} }
}
return size; return size;
} }
int misc_init_f (void) int misc_init_f (void)
{ {
return 0; return 0;
} }
static void static void w7o_env_init (VPD * vpd)
w7o_env_init(VPD *vpd)
{ {
/* /*
* Read VPD * Read VPD
*/ */
if (vpd_get_data(CFG_DEF_EEPROM_ADDR, vpd) != 0) if (vpd_get_data (CFG_DEF_EEPROM_ADDR, vpd) != 0)
return; return;
/* /*
* Known board type. * Known board type.
*/ */
if (vpd->productId[0] && if (vpd->productId[0] &&
((strncmp(vpd->productId, "GMM", 3) == 0) || ((strncmp (vpd->productId, "GMM", 3) == 0) ||
(strncmp(vpd->productId, "CMM", 3) == 0))) { (strncmp (vpd->productId, "CMM", 3) == 0))) {
char buf[30]; char buf[30];
char *eth; char *eth;
unsigned char *serial = getenv("serial#"); unsigned char *serial = getenv ("serial#");
unsigned char *ethaddr = getenv("ethaddr"); unsigned char *ethaddr = getenv ("ethaddr");
/* Set 'serial#' envvar if serial# isn't set */ /* Set 'serial#' envvar if serial# isn't set */
if (!serial) { if (!serial) {
sprintf(buf, "%s-%ld", vpd->productId, vpd->serialNum); sprintf (buf, "%s-%ld", vpd->productId,
setenv("serial#", buf); vpd->serialNum);
setenv ("serial#", buf);
}
/* Set 'ethaddr' envvar if 'ethaddr' envvar is the default */
eth = vpd->ethAddrs[0];
if (ethaddr
&& (strcmp (ethaddr, MK_STR (CONFIG_ETHADDR)) == 0)) {
/* Now setup ethaddr */
sprintf (buf, "%02x:%02x:%02x:%02x:%02x:%02x",
eth[0], eth[1], eth[2], eth[3], eth[4],
eth[5]);
setenv ("ethaddr", buf);
}
} }
} /* w7o_env_init() */
/* Set 'ethaddr' envvar if 'ethaddr' envvar is the default */
eth = vpd->ethAddrs[0];
if (ethaddr && (strcmp(ethaddr, MK_STR(CONFIG_ETHADDR)) == 0)) {
/* Now setup ethaddr */
sprintf(buf, "%02x:%02x:%02x:%02x:%02x:%02x",
eth[0], eth[1], eth[2], eth[3], eth[4], eth[5]);
setenv("ethaddr", buf);
}
}
} /* w7o_env_init() */
int misc_init_r (void) int misc_init_r (void)
{ {
VPD vpd; /* VPD information */ VPD vpd; /* VPD information */
#if defined(CONFIG_W7OLMG) #if defined(CONFIG_W7OLMG)
unsigned long greg; /* GPIO Register */ unsigned long greg; /* GPIO Register */
greg = in32(IBM405GP_GPIO0_OR); greg = in32 (IBM405GP_GPIO0_OR);
/* /*
* XXX - Unreset devices - this should be moved into VxWorks driver code * XXX - Unreset devices - this should be moved into VxWorks driver code
*/ */
greg |= 0x41800000L; /* SAM, PHY, Galileo */ greg |= 0x41800000L; /* SAM, PHY, Galileo */
out32(IBM405GP_GPIO0_OR, greg); /* set output pins to default */ out32 (IBM405GP_GPIO0_OR, greg); /* set output pins to default */
#endif /* CONFIG_W7OLMG */ #endif /* CONFIG_W7OLMG */
/* /*
* Initialize W7O environment variables * Initialize W7O environment variables
*/ */
w7o_env_init(&vpd); w7o_env_init (&vpd);
/* /*
* Initialize the FPGA(s). * Initialize the FPGA(s).
*/ */
if (init_fpga() == 0) if (init_fpga () == 0)
test_fpga((unsigned short *)CONFIG_FPGAS_BASE); test_fpga ((unsigned short *) CONFIG_FPGAS_BASE);
/* More POST testing. */ /* More POST testing. */
post2(); post2 ();
/* Done with hardware initialization and POST. */ /* Done with hardware initialization and POST. */
log_stat(ERR_POSTOK); log_stat (ERR_POSTOK);
/* Call silly, fail safe boot init routine */ /* Call silly, fail safe boot init routine */
init_fsboot(); init_fsboot ();
return (0); return (0);
} }

2
common/Makefile
View file

@ -47,7 +47,7 @@ COBJS = main.o ACEX1K.o altera.o bedbug.o \
hush.o kgdb.o lists.o lynxkdi.o miiphybb.o miiphyutil.o \ hush.o kgdb.o lists.o lynxkdi.o miiphybb.o miiphyutil.o \
s_record.o soft_i2c.o soft_spi.o spartan2.o \ s_record.o soft_i2c.o soft_spi.o spartan2.o \
usb.o usb_kbd.o usb_storage.o \ usb.o usb_kbd.o usb_storage.o \
virtex2.o xilinx.o virtex2.o xilinx.o memsize.o
OBJS = $(AOBJS) $(COBJS) OBJS = $(AOBJS) $(COBJS)

77
common/memsize.c Normal file
View file

@ -0,0 +1,77 @@
/*
* (C) Copyright 2004
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
/*
* Check memory range for valid RAM. A simple memory test determines
* the actually available RAM size between addresses `base' and
* `base + maxsize'.
*/
long get_ram_size(volatile long *base, long maxsize)
{
volatile long *addr;
long save[32];
long cnt;
long val;
long size;
int i = 0;
for (cnt = (maxsize / sizeof (long)) >> 1; cnt > 0; cnt >>= 1) {
addr = base + cnt; /* pointer arith! */
save[i++] = *addr;
*addr = ~cnt;
}
addr = base;
save[i] = *addr;
*addr = 0;
if ((val = *addr) != 0) {
/* Restore the original data before leaving the function.
*/
*addr = save[i];
for (cnt = 1; cnt < maxsize / sizeof(long); cnt <<= 1) {
addr = base + cnt;
*addr = save[--i];
}
return (0);
}
for (cnt = 1; cnt < maxsize / sizeof (long); cnt <<= 1) {
addr = base + cnt; /* pointer arith! */
val = *addr;
*addr = save[--i];
if (val != ~cnt) {
size = cnt * sizeof (long);
/* Restore the original data before leaving the function.
*/
for (cnt <<= 1; cnt < maxsize / sizeof (long); cnt <<= 1) {
addr = base + cnt;
*addr = save[--i];
}
return (size);
}
}
return (maxsize);
}

79
include/common.h
View file

@ -92,9 +92,9 @@ typedef volatile unsigned char vu_char;
#define debugX(level,fmt,args...) #define debugX(level,fmt,args...)
#endif /* DEBUG */ #endif /* DEBUG */
typedef void (interrupt_handler_t)(void *); typedef void (interrupt_handler_t)(void *);
#include <asm/u-boot.h> /* boot information for Linux kernel */ #include <asm/u-boot.h> /* boot information for Linux kernel */
#include <asm/global_data.h> /* global data used for startup functions */ #include <asm/global_data.h> /* global data used for startup functions */
/* /*
@ -142,11 +142,11 @@ int serial_buffered_getc (void);
int serial_buffered_tstc (void); int serial_buffered_tstc (void);
#endif /* CONFIG_SERIAL_SOFTWARE_FIFO */ #endif /* CONFIG_SERIAL_SOFTWARE_FIFO */
void hang (void) __attribute__ ((noreturn)); void hang (void) __attribute__ ((noreturn));
/* */ /* */
long int initdram (int); long int initdram (int);
int display_options (void); int display_options (void);
void print_size (ulong, const char *); void print_size (ulong, const char *);
/* common/main.c */ /* common/main.c */
@ -175,18 +175,18 @@ int autoscript (ulong addr);
/* common/cmd_bootm.c */ /* common/cmd_bootm.c */
void print_image_hdr (image_header_t *hdr); void print_image_hdr (image_header_t *hdr);
extern ulong load_addr; /* Default Load Address */ extern ulong load_addr; /* Default Load Address */
/* common/cmd_nvedit.c */ /* common/cmd_nvedit.c */
int env_init (void); int env_init (void);
void env_relocate (void); void env_relocate (void);
char *getenv (uchar *); char *getenv (uchar *);
int getenv_r (uchar *name, uchar *buf, unsigned len); int getenv_r (uchar *name, uchar *buf, unsigned len);
int saveenv (void); int saveenv (void);
#ifdef CONFIG_PPC /* ARM version to be fixed! */ #ifdef CONFIG_PPC /* ARM version to be fixed! */
void inline setenv (char *, char *); void inline setenv (char *, char *);
#else #else
void setenv (char *, char *); void setenv (char *, char *);
#endif /* CONFIG_PPC */ #endif /* CONFIG_PPC */
#ifdef CONFIG_ARM #ifdef CONFIG_ARM
# include <asm/setup.h> # include <asm/setup.h>
@ -196,21 +196,21 @@ void setenv (char *, char *);
# include <asm/u-boot-i386.h> # include <asm/u-boot-i386.h>
#endif /* CONFIG_I386 */ #endif /* CONFIG_I386 */
void pci_init (void); void pci_init (void);
void pci_init_board(void); void pci_init_board(void);
void pciinfo (int, int); void pciinfo (int, int);
#if defined(CONFIG_PCI) && defined(CONFIG_440) #if defined(CONFIG_PCI) && defined(CONFIG_440)
# if defined(CFG_PCI_PRE_INIT) # if defined(CFG_PCI_PRE_INIT)
int pci_pre_init (struct pci_controller * ); int pci_pre_init (struct pci_controller * );
# endif # endif
# if defined(CFG_PCI_TARGET_INIT) # if defined(CFG_PCI_TARGET_INIT)
void pci_target_init (struct pci_controller *); void pci_target_init (struct pci_controller *);
# endif # endif
# if defined(CFG_PCI_MASTER_INIT) # if defined(CFG_PCI_MASTER_INIT)
void pci_master_init (struct pci_controller *); void pci_master_init (struct pci_controller *);
# endif # endif
int is_pci_host (struct pci_controller *); int is_pci_host (struct pci_controller *);
#endif #endif
int misc_init_f (void); int misc_init_f (void);
@ -219,9 +219,12 @@ int misc_init_r (void);
/* common/exports.c */ /* common/exports.c */
void jumptable_init(void); void jumptable_init(void);
/* common/memsize.c */
int get_ram_size (volatile long *, long);
/* $(BOARD)/$(BOARD).c */ /* $(BOARD)/$(BOARD).c */
void reset_phy (void); void reset_phy (void);
void fdc_hw_init (void); void fdc_hw_init (void);
/* $(BOARD)/eeprom.c */ /* $(BOARD)/eeprom.c */
void eeprom_init (void); void eeprom_init (void);
@ -248,7 +251,7 @@ extern void pic_write (uchar reg, uchar val);
#if defined(CONFIG_SPI) #if defined(CONFIG_SPI)
extern void spi_init_f (void); extern void spi_init_f (void);
extern void spi_init_r (void); extern void spi_init_r (void);
extern ssize_t spi_read (uchar *, int, uchar *, int); extern ssize_t spi_read (uchar *, int, uchar *, int);
extern ssize_t spi_write (uchar *, int, uchar *, int); extern ssize_t spi_write (uchar *, int, uchar *, int);
#endif #endif
@ -292,11 +295,11 @@ int testdram(void);
#endif /* CFG_DRAM_TEST */ #endif /* CFG_DRAM_TEST */
/* $(CPU)/start.S */ /* $(CPU)/start.S */
#if defined(CONFIG_5xx) || \ #if defined(CONFIG_5xx) || \
defined(CONFIG_8xx) defined(CONFIG_8xx)
uint get_immr (uint); uint get_immr (uint);
#endif #endif
uint get_pir (void); uint get_pir (void);
uint get_pvr (void); uint get_pvr (void);
uint rd_ic_cst (void); uint rd_ic_cst (void);
void wr_ic_cst (uint); void wr_ic_cst (uint);
@ -318,19 +321,19 @@ void trap_init (ulong);
defined (CONFIG_74x) || \ defined (CONFIG_74x) || \
defined (CONFIG_75x) || \ defined (CONFIG_75x) || \
defined (CONFIG_74xx) defined (CONFIG_74xx)
unsigned char in8(unsigned int); unsigned char in8(unsigned int);
void out8(unsigned int, unsigned char); void out8(unsigned int, unsigned char);
unsigned short in16(unsigned int); unsigned short in16(unsigned int);
unsigned short in16r(unsigned int); unsigned short in16r(unsigned int);
void out16(unsigned int, unsigned short value); void out16(unsigned int, unsigned short value);
void out16r(unsigned int, unsigned short value); void out16r(unsigned int, unsigned short value);
unsigned long in32(unsigned int); unsigned long in32(unsigned int);
unsigned long in32r(unsigned int); unsigned long in32r(unsigned int);
void out32(unsigned int, unsigned long value); void out32(unsigned int, unsigned long value);
void out32r(unsigned int, unsigned long value); void out32r(unsigned int, unsigned long value);
void ppcDcbf(unsigned long value); void ppcDcbf(unsigned long value);
void ppcDcbi(unsigned long value); void ppcDcbi(unsigned long value);
void ppcSync(void); void ppcSync(void);
#endif #endif
/* $(CPU)/cpu.c */ /* $(CPU)/cpu.c */
@ -368,13 +371,13 @@ ulong get_PCLK (void);
ulong get_UCLK (void); ulong get_UCLK (void);
#endif #endif
#if defined CONFIG_INCA_IP #if defined CONFIG_INCA_IP
uint incaip_get_cpuclk (void); uint incaip_get_cpuclk (void);
#endif #endif
ulong get_bus_freq (ulong); ulong get_bus_freq (ulong);
#if defined(CONFIG_MPC85xx) #if defined(CONFIG_MPC85xx)
typedef MPC85xx_SYS_INFO sys_info_t; typedef MPC85xx_SYS_INFO sys_info_t;
void get_sys_info ( sys_info_t * ); void get_sys_info ( sys_info_t * );
#endif #endif
#if defined(CONFIG_4xx) || defined(CONFIG_IOP480) #if defined(CONFIG_4xx) || defined(CONFIG_IOP480)
@ -383,7 +386,7 @@ void get_sys_info ( sys_info_t * );
# else # else
typedef PPC405_SYS_INFO sys_info_t; typedef PPC405_SYS_INFO sys_info_t;
# endif # endif
void get_sys_info ( sys_info_t * ); void get_sys_info ( sys_info_t * );
#endif #endif
/* $(CPU)/cpu_init.c */ /* $(CPU)/cpu_init.c */
@ -399,8 +402,8 @@ int prt_8260_rsr (void);
#endif #endif
/* $(CPU)/interrupts.c */ /* $(CPU)/interrupts.c */
int interrupt_init (void); int interrupt_init (void);
void timer_interrupt (struct pt_regs *); void timer_interrupt (struct pt_regs *);
void external_interrupt (struct pt_regs *); void external_interrupt (struct pt_regs *);
void irq_install_handler(int, interrupt_handler_t *, void *); void irq_install_handler(int, interrupt_handler_t *, void *);
void irq_free_handler (int); void irq_free_handler (int);
@ -453,7 +456,7 @@ ulong simple_strtoul(const char *cp,char **endp,unsigned int base);
long simple_strtol(const char *cp,char **endp,unsigned int base); long simple_strtol(const char *cp,char **endp,unsigned int base);
void panic(const char *fmt, ...); void panic(const char *fmt, ...);
int sprintf(char * buf, const char *fmt, ...); int sprintf(char * buf, const char *fmt, ...);
int vsprintf(char *buf, const char *fmt, va_list args); int vsprintf(char *buf, const char *fmt, va_list args);
/* lib_generic/crc32.c */ /* lib_generic/crc32.c */
ulong crc32 (ulong, const unsigned char *, uint); ulong crc32 (ulong, const unsigned char *, uint);

6
include/exports.h
View file

@ -1,5 +1,5 @@
#ifndef __MON_SYS_CALL_H__ #ifndef __EXPORTS_H__
#define __MON_SYS_CALL_H__ #define __EXPORTS_H__
#ifndef __ASSEMBLY__ #ifndef __ASSEMBLY__
@ -43,4 +43,4 @@ enum {
extern gd_t *global_data; extern gd_t *global_data;
#endif #endif
#endif #endif /* __EXPORTS_H__ */

2
include/version.h
View file

@ -24,6 +24,6 @@
#ifndef __VERSION_H__ #ifndef __VERSION_H__
#define __VERSION_H__ #define __VERSION_H__
#define U_BOOT_VERSION "U-Boot 1.0.1" #define U_BOOT_VERSION "U-Boot 1.0.2"
#endif /* __VERSION_H__ */ #endif /* __VERSION_H__ */