diff options
Diffstat (limited to 'u-boot/board/amcc/acadia/cmd_acadia.c')
-rw-r--r-- | u-boot/board/amcc/acadia/cmd_acadia.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/u-boot/board/amcc/acadia/cmd_acadia.c b/u-boot/board/amcc/acadia/cmd_acadia.c new file mode 100644 index 0000000..6936e51 --- /dev/null +++ b/u-boot/board/amcc/acadia/cmd_acadia.c @@ -0,0 +1,99 @@ +/* + * (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_267_nor[] = { + 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x8e, 0x00, + 0x14, 0xc0, 0x36, 0xcc, 0x00, 0x0c, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00 +}; + +static u8 boot_267_nand[] = { + 0xd0, 0x38, 0xc3, 0x50, 0x13, 0x88, 0x8e, 0x00, + 0x14, 0xc0, 0x36, 0xcc, 0x00, 0x0c, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00 +}; + +static int do_bootstrap(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + u8 chip; + u8 *buf; + int cpu_freq; + + if (argc < 3) + return cmd_usage(cmdtp); + + cpu_freq = simple_strtol(argv[1], NULL, 10); + if (cpu_freq != 267) { + printf("Unsupported cpu-frequency - only 267 supported\n"); + return 1; + } + + /* use 0x50 as I2C EEPROM address for now */ + chip = 0x50; + + 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) { + case 267: + buf = boot_267_nand; + break; + default: + break; + } + } else { + switch (cpu_freq) { + case 267: + buf = boot_267_nor; + break; + default: + break; + } + } + + if (i2c_write(chip, 0, 1, buf, 16) != 0) + printf("Error writing to EEPROM at address 0x%x\n", chip); + udelay(CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS * 1000); + if (i2c_write(chip, 0x10, 1, buf+16, 4) != 0) + printf("Error2 writing to EEPROM at address 0x%x\n", chip); + + 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, + "program the I2C bootstrap EEPROM", + "<cpu-freq> <nor|nand> - program the I2C bootstrap EEPROM" +); |