mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-22 18:09:03 +09:00
152 lines
3.6 KiB
C
152 lines
3.6 KiB
C
/*
|
|
* (C) Copyright 2005 2N TELEKOMUNIKACE, Ladislav Michl
|
|
*
|
|
* 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
|
|
* version 2 as published by the Free Software Foundation.
|
|
*
|
|
* 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>
|
|
|
|
int board_init(void)
|
|
{
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
*((volatile unsigned char *) VOICEBLUE_LED_REG) = 0xaa;
|
|
|
|
/* arch number of VoiceBlue board */
|
|
/* TODO: use define from asm/mach-types.h */
|
|
gd->bd->bi_arch_number = 218;
|
|
|
|
/* adress of boot parameters */
|
|
gd->bd->bi_boot_params = 0x10000100;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int dram_init(void)
|
|
{
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
*((volatile unsigned short *) VOICEBLUE_LED_REG) = 0xff;
|
|
|
|
/* Take the Ethernet controller out of reset and wait
|
|
* for the EEPROM load to complete. */
|
|
*((volatile unsigned short *) GPIO_DATA_OUTPUT_REG) |= 0x80;
|
|
udelay(10); /* doesn't work before interrupt_init call */
|
|
*((volatile unsigned short *) GPIO_DATA_OUTPUT_REG) &= ~0x80;
|
|
udelay(500);
|
|
|
|
gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
|
|
gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifndef VOICEBLUE_SMALL_FLASH
|
|
|
|
#include <jffs2/jffs2.h>
|
|
|
|
extern flash_info_t flash_info[];
|
|
static struct part_info partinfo;
|
|
static int current_part = -1;
|
|
|
|
/* Partition table (Linux MTD see it this way)
|
|
*
|
|
* 0 - U-Boot
|
|
* 1 - env
|
|
* 2 - redundant env
|
|
* 3 - data1 (jffs2)
|
|
* 4 - data2 (jffs2)
|
|
*/
|
|
|
|
static struct {
|
|
ulong offset;
|
|
ulong size;
|
|
} part[5];
|
|
|
|
static void partition_flash(flash_info_t *info)
|
|
{
|
|
char mtdparts[128];
|
|
int i, n, size, psize;
|
|
const ulong plen[3] = { CFG_MONITOR_LEN, CFG_ENV_SIZE, CFG_ENV_SIZE };
|
|
|
|
size = n = 0;
|
|
for (i = 0; i < 4; i++) {
|
|
part[i].offset = info->start[n];
|
|
psize = i < 3 ? plen[i] : (info->size - size) / 2;
|
|
while (part[i].size < psize) {
|
|
if (++n > info->sector_count) {
|
|
printf("Partitioning error. System halted.\n");
|
|
while (1) ;
|
|
}
|
|
part[i].size += info->start[n] - info->start[n - 1];
|
|
}
|
|
size += part[i].size;
|
|
}
|
|
part[4].offset = info->start[n];
|
|
part[4].size = info->start[info->sector_count - 1] - info->start[n];
|
|
|
|
sprintf(mtdparts, "omapflash.0:"
|
|
"%dk(U-Boot)ro,%dk(env),%dk(r_env),%dk(data1),-(data2)",
|
|
part[0].size >> 10, part[1].size >> 10,
|
|
part[2].size >> 10, part[3].size >> 10);
|
|
setenv ("mtdparts", mtdparts);
|
|
}
|
|
|
|
struct part_info* jffs2_part_info(int part_num)
|
|
{
|
|
void *jffs2_priv_saved = partinfo.jffs2_priv;
|
|
|
|
if (part_num != 3 && part_num != 4)
|
|
return NULL;
|
|
|
|
if (current_part != part_num) {
|
|
memset(&partinfo, 0, sizeof(partinfo));
|
|
current_part = part_num;
|
|
partinfo.offset = (char*) part[part_num].offset;
|
|
partinfo.size = part[part_num].size;
|
|
partinfo.usr_priv = ¤t_part;
|
|
partinfo.jffs2_priv = jffs2_priv_saved;
|
|
}
|
|
|
|
return &partinfo;
|
|
}
|
|
|
|
#endif
|
|
|
|
int misc_init_r(void)
|
|
{
|
|
*((volatile unsigned short *) VOICEBLUE_LED_REG) = 0x55;
|
|
|
|
#ifndef VOICEBLUE_SMALL_FLASH
|
|
if (flash_info[0].flash_id == FLASH_UNKNOWN) {
|
|
printf("Unknown flash. System halted.\n");
|
|
while (1) ;
|
|
}
|
|
partition_flash(&flash_info[0]);
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
int board_late_init(void)
|
|
{
|
|
*((volatile unsigned char *) VOICEBLUE_LED_REG) = 0x00;
|
|
|
|
return 0;
|
|
}
|