projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 5fb692ca SR |
1 | /* |
| 2 | * (C) Copyright 2007 | |
| 3 | * Stefan Roese, DENX Software Engineering, sr@denx.de. | |
| 4 | * | |
| 1a459660 | 5 | * SPDX-License-Identifier: GPL-2.0+ |
| 5fb692ca SR |
6 | */ |
| 7 | ||
| 8 | #include <config.h> | |
| 9 | #include <common.h> | |
| 10 | #include <command.h> | |
| 11 | #include <asm/processor.h> | |
| 12 | #include <i2c.h> | |
| 13 | ||
| 14 | #if defined(CONFIG_TAISHAN) | |
| 15 | ||
| 16 | const uchar bootstrap_buf[16] = { | |
| 17 | 0x86, | |
| 18 | 0x78, | |
| 19 | 0xc1, | |
| 20 | 0xa6, | |
| 21 | 0x09, | |
| 22 | 0x67, | |
| 23 | 0x04, | |
| 24 | 0x63, | |
| 25 | 0x00, | |
| 26 | 0x00, | |
| 27 | 0x00, | |
| 28 | 0x00, | |
| 29 | 0x00, | |
| 30 | 0x00, | |
| 31 | 0x00, | |
| 32 | 0x00 | |
| 33 | }; | |
| 34 | ||
| 35 | static int update_boot_eeprom(void) | |
| 36 | { | |
| 37 | ulong len = 0x10; | |
| 6d0f6bcf | 38 | uchar chip = CONFIG_SYS_BOOTSTRAP_IIC_ADDR; |
| 5fb692ca SR |
39 | uchar *pbuf = (uchar *)bootstrap_buf; |
| 40 | int ii, jj; | |
| 41 | ||
| 42 | for (ii = 0; ii < len; ii++) { | |
| 43 | if (i2c_write(chip, ii, 1, &pbuf[ii], 1) != 0) { | |
| 44 | printf("i2c_write failed\n"); | |
| 45 | return -1; | |
| 46 | } | |
| 47 | ||
| 48 | /* wait 10ms */ | |
| 49 | for (jj = 0; jj < 10; jj++) | |
| 50 | udelay(1000); | |
| 51 | } | |
| 52 | return 0; | |
| 53 | } | |
| 54 | ||
| 54841ab5 | 55 | int do_update_boot_eeprom(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) |
| 5fb692ca SR |
56 | { |
| 57 | return update_boot_eeprom(); | |
| 58 | } | |
| 59 | ||
| 60 | U_BOOT_CMD(update_boot_eeprom, 1, 1, do_update_boot_eeprom, | |
| a89c33db | 61 | "update bootstrap eeprom content", ""); |
| 5fb692ca | 62 | #endif |