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authorKim Phillips <kim.phillips@freescale.com>2007-07-06 19:39:48 -0500
committerKim Phillips <kim.phillips@freescale.com>2007-07-06 19:39:48 -0500
commit0459e7d3a0a273064b738aa2e06fd7dcd35eec58 (patch)
tree83b8a3044400cb1463e91410cf0f3732dedd7fb4 /board/amcc/sequoia/cmd_sequoia.c
parent30d5c04c93084fe0b144646b77eb873957872a8d (diff)
parente80955f07de03fef0196353e77534b2300193c1c (diff)
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Merge git://www.denx.de/git/u-boot
Diffstat (limited to 'board/amcc/sequoia/cmd_sequoia.c')
-rw-r--r--board/amcc/sequoia/cmd_sequoia.c111
1 files changed, 111 insertions, 0 deletions
diff --git a/board/amcc/sequoia/cmd_sequoia.c b/board/amcc/sequoia/cmd_sequoia.c
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+++ b/board/amcc/sequoia/cmd_sequoia.c
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+/*
+ * (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 <common.h>
+#include <command.h>
+#include <i2c.h>
+
+static u8 boot_533_nor[] = {
+ 0x87, 0x78, 0x82, 0x52, 0x09, 0x57, 0xa0, 0x30,
+ 0x40, 0x08, 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00
+};
+
+static u8 boot_533_nand[] = {
+ 0x87, 0x78, 0x82, 0x52, 0x09, 0x57, 0xd0, 0x10,
+ 0xa0, 0x68, 0x23, 0x58, 0x0d, 0x05, 0x00, 0x00
+};
+
+static u8 boot_667_nor[] = {
+ 0x87, 0x78, 0xa2, 0x52, 0x09, 0xd7, 0xa0, 0x30,
+ 0x40, 0x08, 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00
+};
+
+static u8 boot_667_nand[] = {
+ 0x87, 0x78, 0xa2, 0x52, 0x09, 0xd7, 0xd0, 0x10,
+ 0xa0, 0x68, 0x23, 0x58, 0x0d, 0x05, 0x00, 0x00
+};
+
+static int do_bootstrap(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ u8 chip;
+ u8 *buf;
+ int cpu_freq;
+
+ if (argc < 3) {
+ printf("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+ }
+
+ cpu_freq = simple_strtol(argv[1], NULL, 10);
+ if (!((cpu_freq == 533) || (cpu_freq == 667))) {
+ printf("Unsupported cpu-frequency - only 533 and 667 supported\n");
+ return 1;
+ }
+
+ /* use 0x52 as I2C EEPROM address for now */
+ chip = 0x52;
+
+ if ((strcmp(argv[2], "nor") != 0) &&
+ (strcmp(argv[2], "nand") != 0)) {
+ printf("Unsupported boot-device - only nor|nand support\n");
+ return 1;
+ }
+
+ if (strcmp(argv[2], "nand") == 0) {
+ switch (cpu_freq) {
+ default:
+ case 533:
+ buf = boot_533_nand;
+ break;
+ case 667:
+ buf = boot_667_nand;
+ break;
+ }
+ } else {
+ switch (cpu_freq) {
+ default:
+ case 533:
+ buf = boot_533_nor;
+ break;
+ case 667:
+ buf = boot_667_nor;
+ break;
+ }
+ }
+
+ if (i2c_write(chip, 0, 1, buf, 16) != 0)
+ printf("Error writing to EEPROM at address 0x%x\n", chip);
+ udelay(CFG_EEPROM_PAGE_WRITE_DELAY_MS * 1000);
+
+ printf("Done\n");
+ printf("Please power-cycle the board for the changes to take effect\n");
+
+ return 0;
+}
+
+U_BOOT_CMD(
+ bootstrap, 3, 0, do_bootstrap,
+ "bootstrap - program the I2C bootstrap EEPROM\n",
+ "<cpu-freq> <nor|nand> - program the I2C bootstrap EEPROM\n"
+ );