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Diffstat (limited to 'board/amcc/taishan/update.c')
| -rw-r--r-- | board/amcc/taishan/update.c | 78 | 
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 index 000000000..ed2c196dc --- /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 |