mirror of
https://github.com/AsahiLinux/u-boot
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3c2b3d454d
Add support for VoiceBlue board. * Patch by Ladislav Michl, 05 Apr 2005: Fix netboot_common() prototypes. * Cleanup.
152 lines
3.6 KiB
C
152 lines
3.6 KiB
C
/*
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* (C) Copyright 2005 2N TELEKOMUNIKACE, Ladislav Michl
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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int board_init(void)
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{
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DECLARE_GLOBAL_DATA_PTR;
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unsigned int val;
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*((volatile unsigned char *) VOICEBLUE_LED_REG) = 0xaa;
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/* arch number of VoiceBlue board */
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/* TODO: use define from asm/mach-types.h */
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gd->bd->bi_arch_number = 218;
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/* adress of boot parameters */
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gd->bd->bi_boot_params = 0x10000100;
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return 0;
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}
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int dram_init(void)
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{
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DECLARE_GLOBAL_DATA_PTR;
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*((volatile unsigned short *) VOICEBLUE_LED_REG) = 0xff;
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/* Take the Ethernet controller out of reset and wait
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* for the EEPROM load to complete. */
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*((volatile unsigned short *) GPIO_DATA_OUTPUT_REG) |= 0x80;
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udelay(10); /* doesn't work before interrupt_init call */
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*((volatile unsigned short *) GPIO_DATA_OUTPUT_REG) &= ~0x80;
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udelay(500);
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gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
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gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
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return 0;
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}
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#ifndef VOICEBLUE_SMALL_FLASH
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#include <jffs2/jffs2.h>
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extern flash_info_t flash_info[];
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static struct part_info partinfo;
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static int current_part = -1;
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/* Partition table (Linux MTD see it this way)
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*
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* 0 - U-Boot
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* 1 - env
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* 2 - redundant env
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* 3 - data1 (jffs2)
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* 4 - data2 (jffs2)
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*/
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static struct {
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ulong offset;
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ulong size;
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} part[5];
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static void partition_flash(flash_info_t *info)
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{
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char mtdparts[128];
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int i, n, size, psize;
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const ulong plen[3] = { CFG_MONITOR_LEN, CFG_ENV_SIZE, CFG_ENV_SIZE };
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size = n = 0;
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for (i = 0; i < 4; i++) {
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part[i].offset = info->start[n];
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psize = i < 3 ? plen[i] : (info->size - size) / 2;
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while (part[i].size < psize) {
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if (++n > info->sector_count) {
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printf("Partitioning error. System halted.\n");
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while (1) ;
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}
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part[i].size += info->start[n] - info->start[n - 1];
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}
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size += part[i].size;
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}
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part[4].offset = info->start[n];
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part[4].size = info->start[info->sector_count - 1] - info->start[n];
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sprintf(mtdparts, "omapflash.0:"
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"%dk(U-Boot)ro,%dk(env),%dk(r_env),%dk(data1),-(data2)",
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part[0].size >> 10, part[1].size >> 10,
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part[2].size >> 10, part[3].size >> 10);
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setenv ("mtdparts", mtdparts);
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}
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struct part_info* jffs2_part_info(int part_num)
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{
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void *jffs2_priv_saved = partinfo.jffs2_priv;
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if (part_num != 3 && part_num != 4)
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return NULL;
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if (current_part != part_num) {
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memset(&partinfo, 0, sizeof(partinfo));
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current_part = part_num;
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partinfo.offset = (char*) part[part_num].offset;
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partinfo.size = part[part_num].size;
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partinfo.usr_priv = ¤t_part;
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partinfo.jffs2_priv = jffs2_priv_saved;
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}
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return &partinfo;
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}
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#endif
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int misc_init_r(void)
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{
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*((volatile unsigned short *) VOICEBLUE_LED_REG) = 0x55;
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#ifndef VOICEBLUE_SMALL_FLASH
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if (flash_info[0].flash_id == FLASH_UNKNOWN) {
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printf("Unknown flash. System halted.\n");
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while (1) ;
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}
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partition_flash(&flash_info[0]);
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#endif
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return 0;
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}
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int board_late_init(void)
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{
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*((volatile unsigned char *) VOICEBLUE_LED_REG) = 0x00;
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return 0;
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}
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