LXR uboot/board/amcc/taihu/update.c

   1/*
   2 * See file CREDITS for list of people who contributed to this
   3 * project.
   4 *
   5 * This program is free software; you can redistribute it and/or
   6 * modify it under the terms of the GNU General Public License as
   7 * published by the Free Software Foundation; either version 2 of
   8 * the License, or (at your option) any later version.
   9 *
  10 * This program is distributed in the hope that it will be useful,
  11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 * GNU General Public License for more details.
  14 *
  15 * You should have received a copy of the GNU General Public License
  16 * along with this program; if not, write to the Free Software
  17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  18 * MA 02111-1307 USA
  19 */
  20
  21#include <config.h>
  22#include <common.h>
  23#include <command.h>
  24#include <asm/processor.h>
  25#include <i2c.h>
  26
  27#define PCI_M66EN 0x10
  28
  29static uchar buf_33[] =
  30{
  31        0xb5,   /* 0x00:hce =1, bss = 0, pae=1, ppdv= 0b10,spe = 1,ebw=0b01*/
  32        0x80,   /* 0x01~0x03:ptm1ms =0x80000001 */
  33        0x00,
  34        0x00,
  35        0x00,   /* 0x04~0x06:ptm1la = 0x00000000 */
  36        0x00,
  37        0x00,
  38        0x00,   /* 0x07~0x09:ptm2ma = 0x00000000 */
  39        0x00,
  40        0x00,
  41        0x00,   /* 0x0a~0x0c:ptm2la = 0x00000000 */
  42        0x00,
  43        0x00,
  44        0x10,   /* 0x0d~0x0e:vendor id 0x1014*/
  45        0x14,
  46        0x00,   /* 0x0f~0x10:device id 0x0000*/
  47        0x00,
  48        0x00,   /* 0x11:revision 0x00 */
  49        0x00,   /* 0x12~0x14:class 0x000000 */
  50        0x00,
  51        0x00,
  52        0x10,   /* 0x15~0x16:subsystem vendor id */
  53        0xe8,
  54        0x00,   /* 0x17~0x18:subsystem device id */
  55        0x00,
  56        0x61,   /* 0x19: opdv=0b01,cbdv=0b10,ccdv=0b00,ptm2ms_ena=0, ptm1ms_ena=1 */
  57        0x68,   /* 0x1a: rpci=1,fbmul=0b1010,epdv=0b00 */
  58        0x2d,   /* 0x1b: fwdvb=0b101,fwdva=0b101 */
  59        0x82,   /* 0x1c: pllr=1,sscs=0,mpdv=0b00,tun[22-23]=0b10 */
  60        0xbe,   /* 0x1d: tun[24-31]=0xbe */
  61        0x00,
  62        0x00
  63};
  64
  65static uchar buf_66[] =
  66{
  67        0xb5,   /* 0x00:hce =1, bss = 0, pae=1, ppdv= 0b10,spe = 1,ebw=0b01*/
  68        0x80,   /* 0x01~0x03:ptm1ms =0x80000001 */
  69        0x00,
  70        0x00,
  71        0x00,   /* 0x04~0x06:ptm1la = 0x00000000 */
  72        0x00,
  73        0x00,
  74        0x00,   /* 0x07~0x09:ptm2ma = 0x00000000 */
  75        0x00,
  76        0x00,
  77        0x00,   /* 0x0a~0x0c:ptm2la = 0x00000000 */
  78        0x00,
  79        0x00,
  80        0x10,   /* 0x0d~0x0e:vendor id 0x1014*/
  81        0x14,
  82        0x00,   /* 0x0f~0x10:device id 0x0000*/
  83        0x00,
  84        0x00,   /* 0x11:revision 0x00 */
  85        0x00,   /* 0x12~0x14:class 0x000000 */
  86        0x00,
  87        0x00,
  88        0x10,   /* 0x15~0x16:subsystem vendor id */
  89        0xe8,
  90        0x00,   /* 0x17~0x18:subsystem device id */
  91        0x00,
  92        0x61,   /* 0x19: opdv=0b01,cbdv=0b10,ccdv=0b00,ptm2ms_ena=0, ptm1ms_ena=1 */
  93        0x68,   /* 0x1a: rpci=1,fbmul=0b1010,epdv=0b00 */
  94        0x2d,   /* 0x1b: fwdvb=0b101,fwdva=0b101 */
  95        0x82,   /* 0x1c: pllr=1,sscs=0,mpdv=0b00,tun[22-23]=0b10 */
  96        0xbe,   /* 0x1d: tun[24-31]=0xbe */
  97        0x00,
  98        0x00
  99};
 100
 101static int update_boot_eeprom(cmd_tbl_t* cmdtp, int flag, int argc, char * const argv[])
 102{
 103        ulong len = 0x20;
 104        uchar chip = CONFIG_SYS_I2C_EEPROM_ADDR;
 105        uchar *pbuf;
 106        uchar base;
 107        int i;
 108
 109        if ((*(volatile char*)CPLD_REG0_ADDR & PCI_M66EN) != PCI_M66EN) {
 110                pbuf = buf_33;
 111                base = 0x00;
 112        } else {
 113                pbuf = buf_66;
 114                base = 0x40;
 115        }
 116
 117        for (i = 0; i< len; i++, base++) {
 118                if (i2c_write(chip, base, 1, &pbuf[i],1)!= 0) {
 119                        printf("i2c_write fail\n");
 120                        return 1;
 121                }
 122                udelay(11000);
 123        }
 124
 125        return 0;
 126}
 127
 128U_BOOT_CMD (
 129        update_boot_eeprom, 1, 1, update_boot_eeprom,
 130        "update boot eeprom content",
 131        ""
 132);
 133