u-boot/board/shmin/shmin.c
Nobuhiro Iwamatsu 6b7c0f5ebf sh: Add support shmin board
This adds support for the SHMIN SH7706 board(T-SH7706LAN).
The CPU of this board is SH7706.
There are SDRAM of 32M byte, Flash memory of 512K byte, Serial,
10Base Ether and MMC.

http://web.kyoto-inet.or.jp/people/takagaki/T-SH7706/T-SH7706.htm

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
2011-01-11 21:03:25 +09:00

108 lines
2.8 KiB
C

/*
* Copyright (C) 2007 - 2010
* Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
* (C) Copyright 2000-2003
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
* Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
*
* board/shmin/shmin.c
*
* 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
*
* Copy board_flash_get_legacy() from board/freescale/m54455evb/m54455evb.c
*/
#include <common.h>
#include <asm/io.h>
#include <asm/processor.h>
int checkboard(void)
{
puts("BOARD: T-SH7706LAN ");
if(readb(0xb0008006) == 0xab)
puts("v2\n");
else
puts("v1\n");
return 0;
}
int board_init(void)
{
writew(0x2980, BCR2);
return 0;
}
int dram_init(void)
{
DECLARE_GLOBAL_DATA_PTR;
gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
gd->bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
printf("DRAM: %dMB\n", CONFIG_SYS_SDRAM_SIZE / (1024 * 1024));
return 0;
}
void led_set_state(unsigned short value)
{
}
#if defined(CONFIG_FLASH_CFI_LEGACY)
#include <flash.h>
ulong board_flash_get_legacy(ulong base, int banknum, flash_info_t *info)
{
int sect[] = CONFIG_SYS_ATMEL_SECT;
int sectsz[] = CONFIG_SYS_ATMEL_SECTSZ;
int i, j, k;
if (base != CONFIG_SYS_ATMEL_BASE)
return 0;
info->flash_id = 0x01000000;
info->portwidth = 1;
info->chipwidth = 1;
info->buffer_size = 1;
info->erase_blk_tout = 16384;
info->write_tout = 2;
info->buffer_write_tout = 5;
info->vendor = 0xFFF0; /* CFI_CMDSET_AMD_LEGACY */
info->cmd_reset = 0x00F0;
info->interface = FLASH_CFI_X8;
info->legacy_unlock = 0;
info->manufacturer_id = (u16) ATM_MANUFACT;
info->device_id = ATM_ID_LV040;
info->device_id2 = 0;
info->ext_addr = 0;
info->cfi_version = 0x3133;
info->cfi_offset = 0x0000;
info->addr_unlock1 = 0x00000555;
info->addr_unlock2 = 0x000002AA;
info->name = "CFI conformant";
info->size = 0;
info->sector_count = CONFIG_SYS_ATMEL_TOTALSECT;
info->start[0] = base;
for (k = 0, i = 0; i < CONFIG_SYS_ATMEL_REGION; i++) {
info->size += sect[i] * sectsz[i];
for (j = 0; j < sect[i]; j++, k++) {
info->start[k + 1] = info->start[k] + sectsz[i];
info->protect[k] = 0;
}
}
return 1;
}
#endif /* CONFIG_FLASH_CFI_LEGACY */