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-rw-r--r--board/amcc/taihu/update.c132
1 files changed, 132 insertions, 0 deletions
diff --git a/board/amcc/taihu/update.c b/board/amcc/taihu/update.c
new file mode 100644
index 0000000..55ad535
--- /dev/null
+++ b/board/amcc/taihu/update.c
@@ -0,0 +1,132 @@
+/*
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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
+ */
+
+#include <config.h>
+#include <common.h>
+#include <command.h>
+#include <asm/processor.h>
+#include <i2c.h>
+
+#define PCI_M66EN 0x10
+
+static uchar buf_33[] =
+{
+ 0xb5, /* 0x00:hce =1, bss = 0, pae=1, ppdv= 0b10,spe = 1,ebw=0b01*/
+ 0x80, /* 0x01~0x03:ptm1ms =0x80000001 */
+ 0x00,
+ 0x00,
+ 0x00, /* 0x04~0x06:ptm1la = 0x00000000 */
+ 0x00,
+ 0x00,
+ 0x00, /* 0x07~0x09:ptm2ma = 0x00000000 */
+ 0x00,
+ 0x00,
+ 0x00, /* 0x0a~0x0c:ptm2la = 0x00000000 */
+ 0x00,
+ 0x00,
+ 0x10, /* 0x0d~0x0e:vendor id 0x1014*/
+ 0x14,
+ 0x00, /* 0x0f~0x10:device id 0x0000*/
+ 0x00,
+ 0x00, /* 0x11:revision 0x00 */
+ 0x00, /* 0x12~0x14:class 0x000000 */
+ 0x00,
+ 0x00,
+ 0x10, /* 0x15~0x16:subsystem vendor id */
+ 0xe8,
+ 0x00, /* 0x17~0x18:subsystem device id */
+ 0x00,
+ 0x61, /* 0x19: opdv=0b01,cbdv=0b10,ccdv=0b00,ptm2ms_ena=0, ptm1ms_ena=1 */
+ 0x68, /* 0x1a: rpci=1,fbmul=0b1010,epdv=0b00 */
+ 0x2d, /* 0x1b: fwdvb=0b101,fwdva=0b101 */
+ 0x82, /* 0x1c: pllr=1,sscs=0,mpdv=0b00,tun[22-23]=0b10 */
+ 0xbe, /* 0x1d: tun[24-31]=0xbe */
+ 0x00,
+ 0x00
+};
+
+static uchar buf_66[] =
+{
+ 0xb5, /* 0x00:hce =1, bss = 0, pae=1, ppdv= 0b10,spe = 1,ebw=0b01*/
+ 0x80, /* 0x01~0x03:ptm1ms =0x80000001 */
+ 0x00,
+ 0x00,
+ 0x00, /* 0x04~0x06:ptm1la = 0x00000000 */
+ 0x00,
+ 0x00,
+ 0x00, /* 0x07~0x09:ptm2ma = 0x00000000 */
+ 0x00,
+ 0x00,
+ 0x00, /* 0x0a~0x0c:ptm2la = 0x00000000 */
+ 0x00,
+ 0x00,
+ 0x10, /* 0x0d~0x0e:vendor id 0x1014*/
+ 0x14,
+ 0x00, /* 0x0f~0x10:device id 0x0000*/
+ 0x00,
+ 0x00, /* 0x11:revision 0x00 */
+ 0x00, /* 0x12~0x14:class 0x000000 */
+ 0x00,
+ 0x00,
+ 0x10, /* 0x15~0x16:subsystem vendor id */
+ 0xe8,
+ 0x00, /* 0x17~0x18:subsystem device id */
+ 0x00,
+ 0x61, /* 0x19: opdv=0b01,cbdv=0b10,ccdv=0b00,ptm2ms_ena=0, ptm1ms_ena=1 */
+ 0x68, /* 0x1a: rpci=1,fbmul=0b1010,epdv=0b00 */
+ 0x2d, /* 0x1b: fwdvb=0b101,fwdva=0b101 */
+ 0x82, /* 0x1c: pllr=1,sscs=0,mpdv=0b00,tun[22-23]=0b10 */
+ 0xbe, /* 0x1d: tun[24-31]=0xbe */
+ 0x00,
+ 0x00
+};
+
+static int update_boot_eeprom(cmd_tbl_t* cmdtp, int flag, int argc, char *argv[])
+{
+ ulong len = 0x20;
+ uchar chip = CFG_I2C_EEPROM_ADDR;
+ uchar *pbuf;
+ uchar base;
+ int i;
+
+ if ((*(volatile char*)CPLD_REG0_ADDR & PCI_M66EN) != PCI_M66EN) {
+ pbuf = buf_33;
+ base = 0x00;
+ } else {
+ pbuf = buf_66;
+ base = 0x40;
+ }
+
+ for (i = 0; i< len; i++, base++) {
+ if (i2c_write(chip, base, 1, &pbuf[i],1)!= 0) {
+ printf("i2c_write fail\n");
+ return 1;
+ }
+ udelay(11000);
+ }
+
+ return 0;
+}
+
+U_BOOT_CMD (
+ update_boot_eeprom, 1, 1, update_boot_eeprom,
+ "update_boot_eeprom - update boot eeprom content\n",
+ NULL
+ );