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-rw-r--r--board/amcc/taishan/update.c78
1 files changed, 78 insertions, 0 deletions
diff --git a/board/amcc/taishan/update.c b/board/amcc/taishan/update.c
new file mode 100644
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--- /dev/null
+++ b/board/amcc/taishan/update.c
@@ -0,0 +1,78 @@
+/*
+ * (C) Copyright 2007
+ * Stefan Roese, DENX Software Engineering, sr@denx.de.
+ *
+ * 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>
+
+#if defined(CONFIG_TAISHAN)
+
+const uchar bootstrap_buf[16] = {
+ 0x86,
+ 0x78,
+ 0xc1,
+ 0xa6,
+ 0x09,
+ 0x67,
+ 0x04,
+ 0x63,
+ 0x00,
+ 0x00,
+ 0x00,
+ 0x00,
+ 0x00,
+ 0x00,
+ 0x00,
+ 0x00
+};
+
+static int update_boot_eeprom(void)
+{
+ ulong len = 0x10;
+ uchar chip = CFG_BOOTSTRAP_IIC_ADDR;
+ uchar *pbuf = (uchar *)bootstrap_buf;
+ int ii, jj;
+
+ for (ii = 0; ii < len; ii++) {
+ if (i2c_write(chip, ii, 1, &pbuf[ii], 1) != 0) {
+ printf("i2c_write failed\n");
+ return -1;
+ }
+
+ /* wait 10ms */
+ for (jj = 0; jj < 10; jj++)
+ udelay(1000);
+ }
+ return 0;
+}
+
+int do_update_boot_eeprom(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+{
+ return update_boot_eeprom();
+}
+
+U_BOOT_CMD(update_boot_eeprom, 1, 1, do_update_boot_eeprom,
+ "update_boot_eeprom - update bootstrap eeprom content\n", NULL);
+#endif