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/*
* (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 = &current_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;
}