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u-boot/board/iphase4539/iphase4539.c
wdenk 16f217049a Initial revision
2002-08-26 21:58:50 +00:00

458 lines
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/*
* (C) Copyright 2002 Wolfgang Grandegger <wg@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
*/
#include <common.h>
#include <ioports.h>
#include <mpc8260.h>
#include <asm/io.h>
#include <asm/immap_8260.h>
int hwc_flash_size (void);
int hwc_local_sdram_size (void);
int hwc_main_sdram_size (void);
int hwc_serial_number (void);
int hwc_mac_address (char *str);
int hwc_manufact_date (char *str);
int seeprom_read (int addr, uchar * data, int size);
/*
* I/O Port configuration table
*
* if conf is 1, then that port pin will be configured at boot time
* according to the five values podr/pdir/ppar/psor/pdat for that entry
*
* The port definitions are taken from the old firmware (see
* also SYS/H/4539.H):
*
* ppar psor pdir podr pdat
* PA: 0x02ffffff 0x02c00000 0xfc403fe6 0x00000000 0x02403fc0
* PB: 0x0fffdeb0 0x000000b0 0x0f032347 0x00000000 0x0f000290
* PC: 0x030ffa55 0x030f0040 0xbcf005ea 0x00000000 0xc0c0ba7d
* PD: 0x09c04e3c 0x01000e3c 0x0a7ff1c3 0x00000000 0x00ce0ae9
*/
const iop_conf_t iop_conf_tab[4][32] = {
/* Port A configuration */
{ /* conf ppar psor pdir podr pdat */
{0, 1, 0, 0, 0, 0}, /* PA31 FCC1_TXENB SLAVE */
{0, 1, 0, 1, 0, 0}, /* PA30 FCC1_TXCLAV SLAVE */
{0, 1, 0, 1, 0, 0}, /* PA29 FCC1_TXSOC */
{0, 1, 0, 0, 0, 0}, /* PA28 FCC1_RXENB SLAVE */
{0, 1, 0, 0, 0, 0}, /* PA27 FCC1_RXSOC */
{0, 1, 0, 1, 0, 0}, /* PA26 FCC1_RXCLAV SLAVE */
{0, 1, 0, 1, 0, 1}, /* PA25 FCC1_TXD0 */
{0, 1, 0, 1, 0, 1}, /* PA24 FCC1_TXD1 */
{0, 1, 0, 1, 0, 1}, /* PA23 FCC1_TXD2 */
{0, 1, 0, 1, 0, 1}, /* PA22 FCC1_TXD3 */
{0, 1, 0, 1, 0, 1}, /* PA21 FCC1_TXD4 */
{0, 1, 0, 1, 0, 1}, /* PA20 FCC1_TXD5 */
{0, 1, 0, 1, 0, 1}, /* PA19 FCC1_TXD6 */
{0, 1, 0, 1, 0, 1}, /* PA18 FCC1_TXD7 */
{0, 1, 0, 0, 0, 0}, /* PA17 FCC1_RXD7 */
{0, 1, 0, 0, 0, 0}, /* PA16 FCC1_RXD6 */
{0, 1, 0, 0, 0, 0}, /* PA15 FCC1_RXD5 */
{0, 1, 0, 0, 0, 0}, /* PA14 FCC1_RXD4 */
{0, 1, 0, 0, 0, 0}, /* PA13 FCC1_RXD3 */
{0, 1, 0, 0, 0, 0}, /* PA12 FCC1_RXD2 */
{0, 1, 0, 0, 0, 0}, /* PA11 FCC1_RXD1 */
{0, 1, 0, 0, 0, 0}, /* PA10 FCC1_RXD0 */
{0, 1, 1, 1, 0, 1}, /* PA9 TDMA1_L1TXD */
{0, 1, 1, 0, 0, 0}, /* PA8 TDMA1_L1RXD */
{0, 0, 0, 0, 0, 0}, /* PA7 CONFIG0 */
{0, 1, 1, 0, 0, 1}, /* PA6 TDMA1_L1RSYNC */
{0, 0, 0, 1, 0, 0}, /* PA5 FCC2:RxAddr[2] */
{0, 0, 0, 1, 0, 0}, /* PA4 FCC2:RxAddr[1] */
{0, 0, 0, 1, 0, 0}, /* PA3 FCC2:RxAddr[0] */
{0, 0, 0, 1, 0, 0}, /* PA2 FCC2:TxAddr[0] */
{0, 0, 0, 1, 0, 0}, /* PA1 FCC2:TxAddr[1] */
{0, 0, 0, 1, 0, 0} /* PA0 FCC2:TxAddr[2] */
},
/* Port B configuration */
{ /* conf ppar psor pdir podr pdat */
{0, 0, 0, 1, 0, 0}, /* PB31 FCC2_RXSOC */
{0, 0, 0, 1, 0, 0}, /* PB30 FCC2_TXSOC */
{0, 0, 0, 1, 0, 0}, /* PB29 FCC2_RXCLAV */
{0, 0, 0, 0, 0, 0}, /* PB28 CONFIG2 */
{0, 1, 1, 0, 0, 1}, /* PB27 FCC2_TXD0 */
{0, 1, 1, 0, 0, 0}, /* PB26 FCC2_TXD1 */
{0, 0, 0, 1, 0, 0}, /* PB25 FCC2_TXD4 */
{0, 1, 1, 0, 0, 1}, /* PB24 FCC2_TXD5 */
{0, 0, 0, 1, 0, 0}, /* PB23 FCC2_TXD6 */
{0, 1, 0, 1, 0, 1}, /* PB22 FCC2_TXD7 */
{0, 1, 0, 0, 0, 0}, /* PB21 FCC2_RXD7 */
{0, 1, 0, 0, 0, 0}, /* PB20 FCC2_RXD6 */
{0, 1, 0, 0, 0, 0}, /* PB19 FCC2_RXD5 */
{0, 0, 0, 1, 0, 0}, /* PB18 FCC2_RXD4 */
{1, 1, 0, 0, 0, 0}, /* PB17 FCC3_RX_DV */
{1, 1, 0, 0, 0, 0}, /* PB16 FCC3_RX_ER */
{1, 1, 0, 1, 0, 0}, /* PB15 FCC3_TX_ER */
{1, 1, 0, 1, 0, 0}, /* PB14 FCC3_TX_EN */
{1, 1, 0, 0, 0, 0}, /* PB13 FCC3_COL */
{1, 1, 0, 0, 0, 0}, /* PB12 FCC3_CRS */
{1, 1, 0, 0, 0, 0}, /* PB11 FCC3_RXD3 */
{1, 1, 0, 0, 0, 0}, /* PB10 FCC3_RXD2 */
{1, 1, 0, 0, 0, 0}, /* PB9 FCC3_RXD1 */
{1, 1, 0, 0, 0, 0}, /* PB8 FCC3_RXD0 */
{1, 1, 0, 1, 0, 1}, /* PB7 FCC3_TXD0 */
{1, 1, 0, 1, 0, 1}, /* PB6 FCC3_TXD1 */
{1, 1, 0, 1, 0, 1}, /* PB5 FCC3_TXD2 */
{1, 1, 0, 1, 0, 1}, /* PB4 FCC3_TXD3 */
{0, 0, 0, 0, 0, 0}, /* PB3 */
{0, 0, 0, 0, 0, 0}, /* PB2 */
{0, 0, 0, 0, 0, 0}, /* PB1 */
{0, 0, 0, 0, 0, 0}, /* PB0 */
},
/* Port C configuration */
{ /* conf ppar psor pdir podr pdat */
{0, 1, 0, 0, 0, 1}, /* PC31 CLK1 */
{0, 0, 0, 1, 0, 0}, /* PC30 U1MASTER_N */
{0, 1, 0, 0, 0, 1}, /* PC29 CLK3 */
{0, 0, 0, 1, 0, 1}, /* PC28 -MT90220_RST */
{0, 1, 0, 0, 0, 1}, /* PC27 CLK5 */
{0, 0, 0, 1, 0, 1}, /* PC26 -QUADFALC_RST */
{0, 1, 1, 1, 0, 1}, /* PC25 BRG4 */
{1, 0, 0, 1, 0, 0}, /* PC24 MDIO */
{1, 0, 0, 1, 0, 0}, /* PC23 MDC */
{0, 1, 0, 0, 0, 1}, /* PC22 CLK10 */
{0, 0, 0, 1, 0, 0}, /* PC21 */
{0, 1, 0, 0, 0, 1}, /* PC20 CLK12 */
{0, 1, 0, 0, 0, 1}, /* PC19 CLK13 */
{1, 1, 0, 0, 0, 1}, /* PC18 CLK14 */
{0, 1, 0, 0, 0, 0}, /* PC17 CLK15 */
{1, 1, 0, 0, 0, 1}, /* PC16 CLK16 */
{0, 1, 1, 0, 0, 0}, /* PC15 FCC1_TXADDR0 SLAVE */
{0, 1, 1, 0, 0, 0}, /* PC14 FCC1_RXADDR0 SLAVE */
{0, 1, 1, 0, 0, 0}, /* PC13 FCC1_TXADDR1 SLAVE */
{0, 1, 1, 0, 0, 0}, /* PC12 FCC1_RXADDR1 SLAVE */
{0, 0, 0, 1, 0, 0}, /* PC11 FCC2_RXD2 */
{0, 0, 0, 1, 0, 0}, /* PC10 FCC2_RXD3 */
{0, 0, 0, 1, 0, 1}, /* PC9 LTMODE */
{0, 0, 0, 1, 0, 1}, /* PC8 SELSYNC */
{0, 1, 1, 0, 0, 0}, /* PC7 FCC1_TXADDR2 SLAVE */
{0, 1, 1, 0, 0, 0}, /* PC6 FCC1_RXADDR2 SLAVE */
{0, 0, 0, 1, 0, 0}, /* PC5 FCC2_TXCLAV MASTER */
{0, 0, 0, 1, 0, 0}, /* PC4 FCC2_RXENB MASTER */
{0, 0, 0, 1, 0, 0}, /* PC3 FCC2_TXD2 */
{0, 0, 0, 1, 0, 0}, /* PC2 FCC2_TXD3 */
{0, 0, 0, 0, 0, 1}, /* PC1 PTMC -PTEENB */
{0, 0, 0, 1, 0, 1}, /* PC0 COMCLK_N */
},
/* Port D configuration */
{ /* conf ppar psor pdir podr pdat */
{0, 0, 0, 1, 0, 1}, /* PD31 -CAM_RST */
{0, 0, 0, 1, 0, 0}, /* PD30 FCC2_TXENB */
{0, 1, 1, 0, 0, 0}, /* PD29 FCC1_RXADDR3 SLAVE */
{0, 1, 1, 0, 0, 1}, /* PD28 TDMC1_L1TXD */
{0, 1, 1, 0, 0, 0}, /* PD27 TDMC1_L1RXD */
{0, 1, 1, 0, 0, 1}, /* PD26 TDMC1_L1RSYNC */
{0, 0, 0, 1, 0, 1}, /* PD25 LED0 -OFF */
{0, 0, 0, 1, 0, 1}, /* PD24 LED5 -OFF */
{1, 0, 0, 1, 0, 1}, /* PD23 -LXT971_RST */
{0, 1, 1, 0, 0, 1}, /* PD22 TDMA2_L1TXD */
{0, 1, 1, 0, 0, 0}, /* PD21 TDMA2_L1RXD */
{0, 1, 1, 0, 0, 1}, /* PD20 TDMA2_L1RSYNC */
{0, 0, 0, 1, 0, 0}, /* PD19 FCC2_TXADDR3 */
{0, 0, 0, 1, 0, 0}, /* PD18 FCC2_RXADDR3 */
{0, 1, 0, 1, 0, 0}, /* PD17 BRG2 */
{0, 0, 0, 1, 0, 0}, /* PD16 */
{0, 0, 0, 1, 0, 0}, /* PD15 PT2TO1 */
{0, 0, 0, 1, 0, 1}, /* PD14 PT4TO3 */
{0, 0, 0, 1, 0, 1}, /* PD13 -SWMODE */
{0, 0, 0, 1, 0, 1}, /* PD12 -PTMODE */
{0, 0, 0, 1, 0, 0}, /* PD11 FCC2_RXD0 */
{0, 0, 0, 1, 0, 0}, /* PD10 FCC2_RXD1 */
{1, 1, 0, 1, 0, 1}, /* PD9 SMC1_SMTXD */
{1, 1, 0, 0, 0, 1}, /* PD8 SMC1_SMRXD */
{0, 1, 1, 0, 0, 0}, /* PD7 FCC1_TXADDR3 SLAVE */
{0, 0, 0, 1, 0, 0}, /* PD6 IMAMODE */
{0, 0, 0, 0, 0, 0}, /* PD5 CONFIG2 */
{0, 1, 0, 1, 0, 0}, /* PD4 BRG8 */
{0, 0, 0, 0, 0, 0}, /* PD3 */
{0, 0, 0, 0, 0, 0}, /* PD2 */
{0, 0, 0, 0, 0, 0}, /* PD1 */
{0, 0, 0, 0, 0, 0}, /* PD0 */
}
};
long int initdram (int board_type)
{
volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile memctl8260_t *memctl = &immap->im_memctl;
volatile uchar *base;
volatile ulong *addr, cnt, val;
ulong save[32]; /* to make test non-destructive */
int i, maxsize;
memctl->memc_psrt = CFG_PSRT;
memctl->memc_mptpr = CFG_MPTPR;
#ifndef CFG_RAMBOOT
immap->im_siu_conf.sc_ppc_acr = 0x00000026;
immap->im_siu_conf.sc_ppc_alrh = 0x01276345;
immap->im_siu_conf.sc_ppc_alrl = 0x89ABCDEF;
immap->im_siu_conf.sc_lcl_acr = 0x00000000;
immap->im_siu_conf.sc_lcl_alrh = 0x01234567;
immap->im_siu_conf.sc_lcl_alrl = 0x89ABCDEF;
immap->im_siu_conf.sc_tescr1 = 0x00004000;
immap->im_siu_conf.sc_ltescr1 = 0x00004000;
/* Init Main SDRAM */
#define OP_VALUE 0x404A241A
#define OP_VALUE_M (OP_VALUE & 0x87FFFFFF);
base = (uchar *) CFG_SDRAM_BASE;
memctl->memc_psdmr = 0x28000000 | OP_VALUE_M;
*base = 0xFF;
memctl->memc_psdmr = 0x08000000 | OP_VALUE_M;
for (i = 0; i < 8; i++)
*base = 0xFF;
memctl->memc_psdmr = 0x18000000 | OP_VALUE_M;
*(base + 0x110) = 0xFF;
memctl->memc_psdmr = OP_VALUE;
memctl->memc_lsdmr = 0x4086A522;
*base = 0xFF;
/* 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
* mapped by the controller. That means, that the initial mapping has
* to be (at least) twice as large as the maximum expected size.
*/
maxsize = (1 + (~memctl->memc_or1 | 0x7fff)) / 2;
/*
* 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;
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 ())
printf ("Oops: memory test has not found all memory!\n");
#endif
icache_enable ();
/* return total ram size of SDRAM */
return (maxsize);
}
int checkboard (void)
{
char string[32];
hwc_manufact_date (string);
printf ("Board: Interphase 4539 (#%d %s)\n",
hwc_serial_number (),
string);
#ifdef DEBUG
printf ("Manufacturing date: %s\n", string);
printf ("Serial number : %d\n", hwc_serial_number ());
printf ("FLASH size : %d MB\n", hwc_flash_size () >> 20);
printf ("Main SDRAM size : %d MB\n", hwc_main_sdram_size () >> 20);
printf ("Local SDRAM size : %d MB\n", hwc_local_sdram_size () >> 20);
hwc_mac_address (string);
printf ("MAC address : %s\n", string);
#endif
return 0;
}
int misc_init_r (void)
{
char *s, str[32];
int num;
if ((s = getenv ("serial#")) == NULL &&
(num = hwc_serial_number ()) != -1) {
sprintf (str, "%06d", num);
setenv ("serial#", str);
}
if ((s = getenv ("ethaddr")) == NULL && hwc_mac_address (str) == 0) {
setenv ("ethaddr", str);
}
return (0);
}
/***************************************************************
* We take some basic Hardware Configuration Parameter from the
* Serial EEPROM conected to the PSpan bridge. We keep it as
* simple as possible.
*/
int hwc_flash_size (void)
{
uchar byte;
if (!seeprom_read (0x40, &byte, sizeof (byte))) {
switch ((byte >> 2) & 0x3) {
case 0x1:
return 0x0400000;
break;
case 0x2:
return 0x0800000;
break;
case 0x3:
return 0x1000000;
default:
return 0x0100000;
}
}
return -1;
}
int hwc_local_sdram_size (void)
{
uchar byte;
if (!seeprom_read (0x40, &byte, sizeof (byte))) {
switch ((byte & 0x03)) {
case 0x1:
return 0x0800000;
case 0x2:
return 0x1000000;
default:
return 0; /* not present */
}
}
return -1;
}
int hwc_main_sdram_size (void)
{
uchar byte;
if (!seeprom_read (0x41, &byte, sizeof (byte))) {
return 0x1000000 << ((byte >> 5) & 0x7);
}
return -1;
}
int hwc_serial_number (void)
{
int sn = -1;
if (!seeprom_read (0xa0, (char *) &sn, sizeof (sn))) {
sn = cpu_to_le32 (sn);
}
return sn;
}
int hwc_mac_address (char *str)
{
char mac[6];
if (!seeprom_read (0xb0, mac, sizeof (mac))) {
sprintf (str, "%02x:%02x:%02x:%02x:%02x:%02x\n",
mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
} else {
strcpy (str, "ERROR");
return -1;
}
return 0;
}
int hwc_manufact_date (char *str)
{
uchar byte;
int value;
if (seeprom_read (0x92, &byte, sizeof (byte)))
goto out;
value = byte;
if (seeprom_read (0x93, &byte, sizeof (byte)))
goto out;
value += byte << 8;
sprintf (str, "%02d/%02d/%04d",
value & 0x1F, (value >> 5) & 0xF,
1980 + ((value >> 9) & 0x1FF));
return 0;
out:
strcpy (str, "ERROR");
return -1;
}
#define PSPAN_ADDR 0xF0020000
#define EEPROM_REG 0x408
#define EEPROM_READ_CMD 0xA000
#define PSPAN_WRITE(a,v) \
*((volatile unsigned long *)(PSPAN_ADDR+(a))) = v; eieio()
#define PSPAN_READ(a) \
*((volatile unsigned long *)(PSPAN_ADDR+(a)))
int seeprom_read (int addr, uchar * data, int size)
{
ulong val, cmd;
int i;
for (i = 0; i < size; i++) {
cmd = EEPROM_READ_CMD;
cmd |= ((addr + i) << 24) & 0xff000000;
/* Wait for ACT to authorize write */
while ((val = PSPAN_READ (EEPROM_REG)) & 0x80)
eieio ();
/* Write command */
PSPAN_WRITE (EEPROM_REG, cmd);
/* Wait for data to be valid */
while ((val = PSPAN_READ (EEPROM_REG)) & 0x80)
eieio ();
/* Do it twice, first read might be erratic */
while ((val = PSPAN_READ (EEPROM_REG)) & 0x80)
eieio ();
/* Read error */
if (val & 0x00000040) {
return -1;
} else {
data[i] = (val >> 16) & 0xff;
}
}
return 0;
}
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