git.sur5r.net Git - u-boot/blob - board/shmin/shmin.c

   1 /*
   2  * Copyright (C) 2007 - 2010
   3  *     Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
   4  * (C) Copyright 2000-2003
   5  *     Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   6  * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
   7  *
   8  * board/shmin/shmin.c
   9  *
  10  * This program is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU General Public License as
  12  * published by the Free Software Foundation; either version 2 of
  13  * the License, or (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  23  * MA 02111-1307 USA
  24  *
  25  * Copy board_flash_get_legacy() from board/freescale/m54455evb/m54455evb.c
  26  */
  27
  28 #include <common.h>
  29 #include <asm/io.h>
  30 #include <asm/processor.h>
  31
  32 int checkboard(void)
  33 {
  34         puts("BOARD: T-SH7706LAN ");
  35         if(readb(0xb0008006) == 0xab)
  36                 puts("v2\n");
  37         else
  38                 puts("v1\n");
  39         return 0;
  40 }
  41
  42 int board_init(void)
  43 {
  44         writew(0x2980, BCR2);
  45         return 0;
  46 }
  47
  48 int dram_init(void)
  49 {
  50         DECLARE_GLOBAL_DATA_PTR;
  51
  52         gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
  53         gd->bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
  54         printf("DRAM:  %dMB\n", CONFIG_SYS_SDRAM_SIZE / (1024 * 1024));
  55         return 0;
  56 }
  57
  58 void led_set_state(unsigned short value)
  59 {
  60
  61 }
  62
  63 #if defined(CONFIG_FLASH_CFI_LEGACY)
  64 #include <flash.h>
  65 ulong board_flash_get_legacy(ulong base, int banknum, flash_info_t *info)
  66 {
  67         int sect[] = CONFIG_SYS_ATMEL_SECT;
  68         int sectsz[] = CONFIG_SYS_ATMEL_SECTSZ;
  69                 int i, j, k;
  70
  71         if (base != CONFIG_SYS_ATMEL_BASE)
  72                 return 0;
  73
  74         info->flash_id                  = 0x01000000;
  75         info->portwidth                 = 1;
  76         info->chipwidth                 = 1;
  77         info->buffer_size               = 1;
  78         info->erase_blk_tout    = 16384;
  79         info->write_tout                = 2;
  80         info->buffer_write_tout = 5;
  81         info->vendor                    = 0xFFF0; /* CFI_CMDSET_AMD_LEGACY */
  82         info->cmd_reset                 = 0x00F0;
  83         info->interface                 = FLASH_CFI_X8;
  84         info->legacy_unlock             = 0;
  85         info->manufacturer_id   = (u16) ATM_MANUFACT;
  86         info->device_id                 = ATM_ID_LV040;
  87         info->device_id2                = 0;
  88         info->ext_addr                  = 0;
  89         info->cfi_version               = 0x3133;
  90         info->cfi_offset                = 0x0000;
  91         info->addr_unlock1              = 0x00000555;
  92         info->addr_unlock2              = 0x000002AA;
  93         info->name                              = "CFI conformant";
  94         info->size                              = 0;
  95         info->sector_count              = CONFIG_SYS_ATMEL_TOTALSECT;
  96         info->start[0] = base;
  97
  98         for (k = 0, i = 0; i < CONFIG_SYS_ATMEL_REGION; i++) {
  99                 info->size += sect[i] * sectsz[i];
 100                 for (j = 0; j < sect[i]; j++, k++) {
 101                         info->start[k + 1] = info->start[k] + sectsz[i];
 102                         info->protect[k] = 0;
 103                 }
 104         }
 105
 106         return 1;
 107 }
 108 #endif /* CONFIG_FLASH_CFI_LEGACY */