diff options
Diffstat (limited to 'board/amcc/sequoia/cmd_sequoia.c')
| -rw-r--r-- | board/amcc/sequoia/cmd_sequoia.c | 111 | 
1 files changed, 111 insertions, 0 deletions
| diff --git a/board/amcc/sequoia/cmd_sequoia.c b/board/amcc/sequoia/cmd_sequoia.c new file mode 100644 index 000000000..6fc60eaaa --- /dev/null +++ b/board/amcc/sequoia/cmd_sequoia.c @@ -0,0 +1,111 @@ +/* + * (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" +	); |