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Commit | Line | Data |
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c440bfe6 SR |
1 | /* |
2 | * (C) Copyright 2007 | |
3 | * Stefan Roese, DENX Software Engineering, sr@denx.de. | |
4 | * | |
1a459660 | 5 | * SPDX-License-Identifier: GPL-2.0+ |
c440bfe6 SR |
6 | */ |
7 | ||
8 | #include <common.h> | |
9 | #include <command.h> | |
10 | #include <i2c.h> | |
11 | ||
12 | static u8 boot_267_nor[] = { | |
13 | 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x8e, 0x00, | |
14 | 0x14, 0xc0, 0x36, 0xcc, 0x00, 0x0c, 0x00, 0x00, | |
15 | 0x00, 0x00, 0x00, 0x00 | |
16 | }; | |
17 | ||
18 | static u8 boot_267_nand[] = { | |
19 | 0xd0, 0x38, 0xc3, 0x50, 0x13, 0x88, 0x8e, 0x00, | |
20 | 0x14, 0xc0, 0x36, 0xcc, 0x00, 0x0c, 0x00, 0x00, | |
21 | 0x00, 0x00, 0x00, 0x00 | |
22 | }; | |
23 | ||
54841ab5 | 24 | static int do_bootstrap(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
c440bfe6 SR |
25 | { |
26 | u8 chip; | |
27 | u8 *buf; | |
28 | int cpu_freq; | |
29 | ||
47e26b1b WD |
30 | if (argc < 3) |
31 | return cmd_usage(cmdtp); | |
c440bfe6 SR |
32 | |
33 | cpu_freq = simple_strtol(argv[1], NULL, 10); | |
34 | if (cpu_freq != 267) { | |
35 | printf("Unsupported cpu-frequency - only 267 supported\n"); | |
36 | return 1; | |
37 | } | |
38 | ||
39 | /* use 0x50 as I2C EEPROM address for now */ | |
40 | chip = 0x50; | |
41 | ||
42 | if ((strcmp(argv[2], "nor") != 0) && | |
43 | (strcmp(argv[2], "nand") != 0)) { | |
44 | printf("Unsupported boot-device - only nor|nand support\n"); | |
45 | return 1; | |
46 | } | |
47 | ||
48 | if (strcmp(argv[2], "nand") == 0) { | |
49 | switch (cpu_freq) { | |
50 | case 267: | |
51 | buf = boot_267_nand; | |
52 | break; | |
53 | default: | |
54 | break; | |
55 | } | |
56 | } else { | |
57 | switch (cpu_freq) { | |
58 | case 267: | |
59 | buf = boot_267_nor; | |
60 | break; | |
61 | default: | |
62 | break; | |
63 | } | |
64 | } | |
65 | ||
66 | if (i2c_write(chip, 0, 1, buf, 16) != 0) | |
67 | printf("Error writing to EEPROM at address 0x%x\n", chip); | |
6d0f6bcf | 68 | udelay(CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS * 1000); |
c440bfe6 SR |
69 | if (i2c_write(chip, 0x10, 1, buf+16, 4) != 0) |
70 | printf("Error2 writing to EEPROM at address 0x%x\n", chip); | |
71 | ||
72 | printf("Done\n"); | |
73 | printf("Please power-cycle the board for the changes to take effect\n"); | |
74 | ||
75 | return 0; | |
76 | } | |
77 | ||
78 | U_BOOT_CMD( | |
79 | bootstrap, 3, 0, do_bootstrap, | |
2fb2604d | 80 | "program the I2C bootstrap EEPROM", |
a89c33db WD |
81 | "<cpu-freq> <nor|nand> - program the I2C bootstrap EEPROM" |
82 | ); |