diff options
Diffstat (limited to 'board/voiceblue/voiceblue.c')
| -rw-r--r-- | board/voiceblue/voiceblue.c | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/board/voiceblue/voiceblue.c b/board/voiceblue/voiceblue.c new file mode 100644 index 0000000..2501622 --- /dev/null +++ b/board/voiceblue/voiceblue.c @@ -0,0 +1,152 @@ +/* + * (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; + unsigned int val; + + *((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; +} |