mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-18 16:08:53 +09:00
![wdenk](/assets/img/avatar_default.png)
- remove trailing white space, trailing empty lines, C++ comments, etc. - split cmd_boot.c (separate cmd_bdinfo.c and cmd_load.c) * Patches by Kenneth Johansson, 25 Jun 2003: - major rework of command structure (work done mostly by Michal Cendrowski and Joakim Kristiansen)
443 lines
11 KiB
C
443 lines
11 KiB
C
/*
|
|
* (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);
|
|
|
|
#if 0 /* 3 x 8MB */
|
|
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;
|
|
#else /* 3 x 16 MB */
|
|
size_b0 = 0x01000000;
|
|
size_b1 = 0x01000000;
|
|
size_b2 = 0x01000000;
|
|
memctl->memc_mptpr = CFG_MPTPR;
|
|
udelay (1000);
|
|
memctl->memc_or1 = 0xFF000A00;
|
|
memctl->memc_br1 = 0x00000081;
|
|
memctl->memc_or2 = 0xFE000A00;
|
|
memctl->memc_br2 = 0x01000081;
|
|
memctl->memc_or3 = 0xFC000A00;
|
|
memctl->memc_br3 = 0x02000081;
|
|
#endif
|
|
|
|
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
|
|
|
|
|
|
#define PB_LCD_PWM ((uint)0x00004000) /* PB 17 */
|
|
|
|
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;
|
|
|
|
immr->im_cpm.cp_pbpar &= ~PB_LCD_PWM;
|
|
immr->im_cpm.cp_pbodr &= ~PB_LCD_PWM;
|
|
immr->im_cpm.cp_pbdat &= ~PB_LCD_PWM; /* set to 0 = enabled */
|
|
immr->im_cpm.cp_pbdir |= PB_LCD_PWM;
|
|
|
|
|
|
/*----------------------------------------------------------------------------- */
|
|
/**/
|
|
/* 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
|