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Commit | Line | Data |
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779e9751 SR |
1 | /* |
2 | * (C) Copyright 2007 | |
3 | * Stefan Roese, DENX Software Engineering, sr@denx.de. | |
4 | * | |
1a459660 | 5 | * SPDX-License-Identifier: GPL-2.0+ |
779e9751 SR |
6 | */ |
7 | ||
8 | #include <config.h> | |
9 | #include <common.h> | |
10 | #include <command.h> | |
11 | #include <asm/processor.h> | |
12 | #include <asm/io.h> | |
09887762 | 13 | #include <asm/ppc4xx-gpio.h> |
779e9751 SR |
14 | #include <i2c.h> |
15 | ||
16 | #if defined(CONFIG_ZEUS) | |
17 | ||
18 | u8 buf_zeus_ce[] = { | |
19 | /*00 01 02 03 04 05 06 07 */ | |
20 | 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
21 | /*08 09 0a 0b 0c 0d 0e 0f */ | |
22 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
23 | /*10 11 12 13 14 15 16 17 */ | |
24 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
25 | /*18 19 1a 1b 1c 1d 1e 1f */ | |
26 | 0x00, 0xc0, 0x50, 0x12, 0x72, 0x3e, 0x00, 0x00 }; | |
27 | ||
28 | u8 buf_zeus_pe[] = { | |
29 | ||
30 | /* CPU_CLOCK_DIV 1 = 00 | |
31 | CPU_PLB_FREQ_DIV 3 = 10 | |
32 | OPB_PLB_FREQ_DIV 2 = 01 | |
33 | EBC_PLB_FREQ_DIV 2 = 00 | |
34 | MAL_PLB_FREQ_DIV 1 = 00 | |
35 | PCI_PLB_FRQ_DIV 3 = 10 | |
36 | PLL_PLLOUTA = IS SET | |
37 | PLL_OPERATING = IS NOT SET | |
38 | PLL_FDB_MUL 10 = 1010 | |
39 | PLL_FWD_DIV_A 3 = 101 | |
40 | PLL_FWD_DIV_B 3 = 101 | |
41 | TUNE = 0x2be */ | |
42 | /*00 01 02 03 04 05 06 07 */ | |
43 | 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
44 | /*08 09 0a 0b 0c 0d 0e 0f */ | |
45 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
46 | /*10 11 12 13 14 15 16 17 */ | |
47 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
48 | /*18 19 1a 1b 1c 1d 1e 1f */ | |
49 | 0x00, 0x60, 0x68, 0x2d, 0x42, 0xbe, 0x00, 0x00 }; | |
50 | ||
51 | static int update_boot_eeprom(void) | |
52 | { | |
53 | u32 len = 0x20; | |
6d0f6bcf | 54 | u8 chip = CONFIG_SYS_I2C_EEPROM_ADDR; |
779e9751 SR |
55 | u8 *pbuf; |
56 | u8 base; | |
57 | int i; | |
58 | ||
6d0f6bcf | 59 | if (in_be32((void *)GPIO0_IR) & GPIO_VAL(CONFIG_SYS_GPIO_ZEUS_PE)) { |
779e9751 SR |
60 | pbuf = buf_zeus_pe; |
61 | base = 0x40; | |
62 | } else { | |
63 | pbuf = buf_zeus_ce; | |
64 | base = 0x00; | |
65 | } | |
66 | ||
67 | for (i = 0; i < len; i++, base++) { | |
68 | if (i2c_write(chip, base, 1, &pbuf[i], 1) != 0) { | |
69 | printf("i2c_write fail\n"); | |
70 | return 1; | |
71 | } | |
72 | udelay(11000); | |
73 | } | |
74 | ||
75 | return 0; | |
76 | } | |
77 | ||
54841ab5 | 78 | int do_update_boot_eeprom(cmd_tbl_t* cmdtp, int flag, int argc, char * const argv[]) |
779e9751 SR |
79 | { |
80 | return update_boot_eeprom(); | |
81 | } | |
82 | ||
83 | U_BOOT_CMD ( | |
84 | update_boot_eeprom, 1, 1, do_update_boot_eeprom, | |
2fb2604d | 85 | "update boot eeprom content", |
a89c33db | 86 | "" |
779e9751 SR |
87 | ); |
88 | ||
89 | #endif |