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
  29 static 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
  65 static 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
 101 static int update_boot_eeprom(cmd_tbl_t* cmdtp, int flag, int argc, char *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
 128 U_BOOT_CMD (
 129         update_boot_eeprom, 1, 1, update_boot_eeprom,
 130         "update_boot_eeprom  - update boot eeprom content\n",
 131         NULL
 132         );