diff options
Diffstat (limited to 'qemu/roms/u-boot/board/amcc/taishan/update.c')
| -rw-r--r-- | qemu/roms/u-boot/board/amcc/taishan/update.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/amcc/taishan/update.c b/qemu/roms/u-boot/board/amcc/taishan/update.c new file mode 100644 index 000000000..273898929 --- /dev/null +++ b/qemu/roms/u-boot/board/amcc/taishan/update.c @@ -0,0 +1,62 @@ +/* + * (C) Copyright 2007 + * Stefan Roese, DENX Software Engineering, sr@denx.de. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#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 = CONFIG_SYS_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 * const argv[]) +{ + return update_boot_eeprom(); +} + +U_BOOT_CMD(update_boot_eeprom, 1, 1, do_update_boot_eeprom, + "update bootstrap eeprom content", ""); +#endif |