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u-boot/board/kup4k/kup4k.c

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/*
* (C) Copyright 2000, 2001, 2002
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
* Klaus Heydeck, Kieback & Peter GmbH & Co KG, heydeck@kieback-peter.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 <mpc8xx.h>
#ifdef CONFIG_KUP4K_LOGO
#include "s1d13706.h"
#endif
typedef struct
{
volatile unsigned char *VmemAddr;
volatile unsigned char *RegAddr;
}FB_INFO_S1D13xxx;
/* ------------------------------------------------------------------------- */
#if 0
static long int dram_size (long int, long int *, long int);
#endif
#ifdef CONFIG_KUP4K_LOGO
void lcd_logo(bd_t *bd);
#endif
/* ------------------------------------------------------------------------- */
#define _NOT_USED_ 0xFFFFFFFF
const uint sdram_table[] =
{
/*
* Single Read. (Offset 0 in UPMA RAM)
*/
0x1F07FC04,
0xEEAEFC04,
0x11ADFC04,
0xEFBBBC00,
0x1FF77C47, /* last */
/*
* SDRAM Initialization (offset 5 in UPMA RAM)
*
* This is no UPM entry point. The following definition uses
* the remaining space to establish an initialization
* sequence, which is executed by a RUN command.
*
*/
0x1FF77C35,
0xEFEABC34,
0x1FB57C35, /* last */
/*
* Burst Read. (Offset 8 in UPMA RAM)
*/
0x1F07FC04,
0xEEAEFC04,
0x10ADFC04,
0xF0AFFC00,
0xF0AFFC00,
0xF1AFFC00,
0xEFBBBC00,
0x1FF77C47, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/*
* Single Write. (Offset 18 in UPMA RAM)
*/
0x1F27FC04,
0xEEAEBC00,
0x01B93C04,
0x1FF77C47, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/*
* Burst Write. (Offset 20 in UPMA RAM)
*/
0x1F07FC04,
0xEEAEBC00,
0x10AD7C00,
0xF0AFFC00,
0xF0AFFC00,
0xE1BBBC04,
0x1FF77C47, /* last */
_NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/*
* Refresh (Offset 30 in UPMA RAM)
*/
0x1FF5FC84,
0xFFFFFC04,
0xFFFFFC04,
0xFFFFFC04,
0xFFFFFC84,
0xFFFFFC07, /* last */
_NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/*
* Exception. (Offset 3c in UPMA RAM)
*/
0x7FFFFC07, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_,
};
/* ------------------------------------------------------------------------- */
/*
* Check Board Identity:
*/
int checkboard (void)
{
printf ("### No HW ID - assuming KUP4K-Color\n");
return (0);
}
/* ------------------------------------------------------------------------- */
long int initdram (int board_type)
{
volatile immap_t *immap = (immap_t *)CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl;
long int size_b0 = 0;
long int size_b1 = 0;
long int size_b2 = 0;
upmconfig(UPMA, (uint *)sdram_table, sizeof(sdram_table)/sizeof(uint));
/*
* Preliminary prescaler for refresh (depends on number of
* 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
* bank. It will be adjusted after memory sizing.
*/
memctl->memc_mptpr = CFG_MPTPR;
memctl->memc_mar = 0x00000088;
/*
* Map controller banks 1 and 2 to the SDRAM banks 2 and 3 at
* preliminary addresses - these have to be modified after the
* SDRAM size has been determined.
*/
/* memctl->memc_or1 = CFG_OR1_PRELIM; */
/* memctl->memc_br1 = CFG_BR1_PRELIM; */
/* memctl->memc_or2 = CFG_OR2_PRELIM; */
/* memctl->memc_br2 = CFG_BR2_PRELIM; */
memctl->memc_mamr = CFG_MAMR & (~(MAMR_PTAE)); /* no refresh yet */
udelay(200);
/* perform SDRAM initializsation sequence */
memctl->memc_mcr = 0x80002105; /* SDRAM bank 0 */
udelay(1);
memctl->memc_mcr = 0x80002830; /* SDRAM bank 0 - execute twice */
udelay(1);
memctl->memc_mcr = 0x80002106; /* SDRAM bank 0 - RUN MRS Pattern from loc 6 */
udelay(1);
memctl->memc_mcr = 0x80004105; /* SDRAM bank 1 */
udelay(1);
memctl->memc_mcr = 0x80004830; /* SDRAM bank 1 - execute twice */
udelay(1);
memctl->memc_mcr = 0x80004106; /* SDRAM bank 1 - RUN MRS Pattern from loc 6 */
udelay(1);
memctl->memc_mcr = 0x80006105; /* SDRAM bank 2 */
udelay(1);
memctl->memc_mcr = 0x80006830; /* SDRAM bank 2 - execute twice */
udelay(1);
memctl->memc_mcr = 0x80006106; /* SDRAM bank 2 - RUN MRS Pattern from loc 6 */
udelay(1);
memctl->memc_mamr |= MAMR_PTAE; /* enable refresh */
udelay (1000);
size_b0 = 0x00800000;
size_b1 = 0x00800000;
size_b2 = 0x00800000;
memctl->memc_mptpr = CFG_MPTPR;
udelay(1000);
memctl->memc_or1 = 0xFF800A00;
memctl->memc_br1 = 0x00000081;
memctl->memc_or2 = 0xFF000A00;
memctl->memc_br2 = 0x00800081;
memctl->memc_or3 = 0xFE000A00;
memctl->memc_br3 = 0x01000081;
udelay(10000);
return (size_b0 + size_b1 + size_b2);
}
/* ------------------------------------------------------------------------- */
/*
* 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
*/
#if 0
static long int dram_size (long int mamr_value, long int *base, long int maxsize)
{
volatile immap_t *immap = (immap_t *)CFG_IMMR;
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;
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);
}
#endif
int misc_init_r (void)
{
DECLARE_GLOBAL_DATA_PTR;
#ifdef CONFIG_STATUS_LED
volatile immap_t *immap = (immap_t *)CFG_IMMR;
#endif
#ifdef CONFIG_KUP4K_LOGO
bd_t *bd = gd->bd;
lcd_logo(bd);
#endif /* CONFIG_KUP4K_LOGO */
#ifdef CONFIG_IDE_LED
/* Configure PA8 as output port */
immap->im_ioport.iop_padir |= 0x80;
immap->im_ioport.iop_paodr |= 0x80;
immap->im_ioport.iop_papar &= ~0x80;
immap->im_ioport.iop_padat |= 0x80; /* turn it off */
#endif
return(0);
}
#ifdef CONFIG_KUP4K_LOGO
void lcd_logo(bd_t *bd){
FB_INFO_S1D13xxx fb_info;
S1D_INDEX s1dReg;
S1D_VALUE s1dValue;
volatile immap_t *immr = (immap_t *)CFG_IMMR;
volatile memctl8xx_t *memctl;
ushort i;
uchar *fb;
int rs, gs, bs;
int r = 8, g = 8, b = 4;
int r1,g1,b1;
/*----------------------------------------------------------------------------- */
/**/
/* Initialize the chip and the frame buffer driver. */
/**/
/*----------------------------------------------------------------------------- */
memctl = &immr->im_memctl;
/* memctl->memc_or5 = 0xFFC007F0; / * 4 MB 17 WS or externel TA */
/* memctl->memc_br5 = 0x80000801; / * Start at 0x80000000 */
memctl->memc_or5 = 0xFFC00708; /* 4 MB 17 WS or externel TA */
memctl->memc_br5 = 0x80080801; /* Start at 0x80080000 */
fb_info.VmemAddr = (unsigned char*)(S1D_PHYSICAL_VMEM_ADDR);
fb_info.RegAddr = (unsigned char*)(S1D_PHYSICAL_REG_ADDR);
if ((((S1D_VALUE*)fb_info.RegAddr)[0] != 0x28) || (((S1D_VALUE*)fb_info.RegAddr)[1] != 0x14))
{
printf("Warning:LCD Controller S1D13706 not found\n");
return;
}
/* init controller */
for (i = 0; i < sizeof(aS1DRegs)/sizeof(aS1DRegs[0]); i++)
{
s1dReg = aS1DRegs[i].Index;
s1dValue = aS1DRegs[i].Value;
/* printf("sid1 Index: %02x Register: %02x Wert: %02x\n",i, aS1DRegs[i].Index, aS1DRegs[i].Value); */
((S1D_VALUE*)fb_info.RegAddr)[s1dReg/sizeof(S1D_VALUE)] = s1dValue;
}
#undef MONOCHROME
#ifdef MONOCHROME
switch(bd->bi_busfreq){
#if 0
case 24000000:
((S1D_VALUE*)fb_info.RegAddr)[0x05] = 0x32;
((S1D_VALUE*)fb_info.RegAddr)[0x12] = 0x28;
break;
case 32000000:
((S1D_VALUE*)fb_info.RegAddr)[0x05] = 0x32;
((S1D_VALUE*)fb_info.RegAddr)[0x12] = 0x33;
break;
#endif
case 40000000:
((S1D_VALUE*)fb_info.RegAddr)[0x05] = 0x32;
((S1D_VALUE*)fb_info.RegAddr)[0x12] = 0x40;
break;
case 48000000:
((S1D_VALUE*)fb_info.RegAddr)[0x05] = 0x32;
((S1D_VALUE*)fb_info.RegAddr)[0x12] = 0x4C;
break;
default:
printf("KUP4K S1D1: unknown busfrequency: %ld assuming 64 MHz\n",bd->bi_busfreq);
case 64000000:
((S1D_VALUE*)fb_info.RegAddr)[0x05] = 0x32;
((S1D_VALUE*)fb_info.RegAddr)[0x12] = 0x69;
break;
}
((S1D_VALUE*)fb_info.RegAddr)[0x10] = 0x00;
#else
switch(bd->bi_busfreq){
#if 0
case 24000000:
((S1D_VALUE*)fb_info.RegAddr)[0x05] = 0x22;
((S1D_VALUE*)fb_info.RegAddr)[0x12] = 0x34;
break;
case 32000000:
((S1D_VALUE*)fb_info.RegAddr)[0x05] = 0x32;
((S1D_VALUE*)fb_info.RegAddr)[0x12] = 0x34;
break;
#endif
case 40000000:
((S1D_VALUE*)fb_info.RegAddr)[0x05] = 0x32;
((S1D_VALUE*)fb_info.RegAddr)[0x12] = 0x41;
break;
case 48000000:
((S1D_VALUE*)fb_info.RegAddr)[0x05] = 0x22;
((S1D_VALUE*)fb_info.RegAddr)[0x12] = 0x34;
break;
default:
printf("KUP4K S1D1: unknown busfrequency: %ld assuming 64 MHz\n",bd->bi_busfreq);
case 64000000:
((S1D_VALUE*)fb_info.RegAddr)[0x05] = 0x32;
((S1D_VALUE*)fb_info.RegAddr)[0x12] = 0x66;
break;
}
#endif
/* create and set colormap */
rs = 256 / (r - 1);
gs = 256 / (g - 1);
bs = 256 / (b - 1);
for(i=0;i<256;i++){
r1=(rs * ((i / (g * b)) % r)) * 255;
g1=(gs * ((i / b) % g)) * 255;
b1=(bs * ((i) % b)) * 255;
/* printf("%d %04x %04x %04x\n",i,r1>>4,g1>>4,b1>>4); */
S1D_WRITE_PALETTE(fb_info.RegAddr,i,(r1>>4),(g1>>4),(b1>>4));
}
/* copy bitmap */
fb = (char *) (fb_info.VmemAddr);
memcpy (fb, (uchar *)CONFIG_KUP4K_LOGO, 320 * 240);
}
#endif /* CONFIG_KUP4K_LOGO */
#ifdef CONFIG_IDE_LED
void ide_led (uchar led, uchar status)
{
volatile immap_t *immap = (immap_t *)CFG_IMMR;
/* We have one led for both pcmcia slots */
if (status) { /* led on */
immap->im_ioport.iop_padat &= ~0x80;
} else {
immap->im_ioport.iop_padat |= 0x80;
}
}
#endif
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