| Stefan Roese | 779e975 | 2007-08-14 14:44:41 +0200 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2007 |
| 3 | * Stefan Roese, DENX Software Engineering, sr@denx.de. |
| 4 | * |
| 5 | * See file CREDITS for list of people who contributed to this |
| 6 | * project. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License as |
| 10 | * published by the Free Software Foundation; either version 2 of |
| 11 | * the License, or (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 21 | * MA 02111-1307 USA |
| 22 | */ |
| 23 | |
| 24 | #include <config.h> |
| 25 | #include <common.h> |
| 26 | #include <command.h> |
| 27 | #include <asm/processor.h> |
| 28 | #include <asm/io.h> |
| 29 | #include <asm/gpio.h> |
| 30 | #include <i2c.h> |
| 31 | |
| 32 | #if defined(CONFIG_ZEUS) |
| 33 | |
| 34 | u8 buf_zeus_ce[] = { |
| 35 | /*00 01 02 03 04 05 06 07 */ |
| 36 | 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 37 | /*08 09 0a 0b 0c 0d 0e 0f */ |
| 38 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 39 | /*10 11 12 13 14 15 16 17 */ |
| 40 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 41 | /*18 19 1a 1b 1c 1d 1e 1f */ |
| 42 | 0x00, 0xc0, 0x50, 0x12, 0x72, 0x3e, 0x00, 0x00 }; |
| 43 | |
| 44 | u8 buf_zeus_pe[] = { |
| 45 | |
| 46 | /* CPU_CLOCK_DIV 1 = 00 |
| 47 | CPU_PLB_FREQ_DIV 3 = 10 |
| 48 | OPB_PLB_FREQ_DIV 2 = 01 |
| 49 | EBC_PLB_FREQ_DIV 2 = 00 |
| 50 | MAL_PLB_FREQ_DIV 1 = 00 |
| 51 | PCI_PLB_FRQ_DIV 3 = 10 |
| 52 | PLL_PLLOUTA = IS SET |
| 53 | PLL_OPERATING = IS NOT SET |
| 54 | PLL_FDB_MUL 10 = 1010 |
| 55 | PLL_FWD_DIV_A 3 = 101 |
| 56 | PLL_FWD_DIV_B 3 = 101 |
| 57 | TUNE = 0x2be */ |
| 58 | /*00 01 02 03 04 05 06 07 */ |
| 59 | 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 60 | /*08 09 0a 0b 0c 0d 0e 0f */ |
| 61 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 62 | /*10 11 12 13 14 15 16 17 */ |
| 63 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 64 | /*18 19 1a 1b 1c 1d 1e 1f */ |
| 65 | 0x00, 0x60, 0x68, 0x2d, 0x42, 0xbe, 0x00, 0x00 }; |
| 66 | |
| 67 | static int update_boot_eeprom(void) |
| 68 | { |
| 69 | u32 len = 0x20; |
| 70 | u8 chip = CFG_I2C_EEPROM_ADDR; |
| 71 | u8 *pbuf; |
| 72 | u8 base; |
| 73 | int i; |
| 74 | |
| 75 | if (in_be32((void *)GPIO0_IR) & GPIO_VAL(CFG_GPIO_ZEUS_PE)) { |
| 76 | pbuf = buf_zeus_pe; |
| 77 | base = 0x40; |
| 78 | } else { |
| 79 | pbuf = buf_zeus_ce; |
| 80 | base = 0x00; |
| 81 | } |
| 82 | |
| 83 | for (i = 0; i < len; i++, base++) { |
| 84 | if (i2c_write(chip, base, 1, &pbuf[i], 1) != 0) { |
| 85 | printf("i2c_write fail\n"); |
| 86 | return 1; |
| 87 | } |
| 88 | udelay(11000); |
| 89 | } |
| 90 | |
| 91 | return 0; |
| 92 | } |
| 93 | |
| 94 | int do_update_boot_eeprom(cmd_tbl_t* cmdtp, int flag, int argc, char* argv[]) |
| 95 | { |
| 96 | return update_boot_eeprom(); |
| 97 | } |
| 98 | |
| 99 | U_BOOT_CMD ( |
| 100 | update_boot_eeprom, 1, 1, do_update_boot_eeprom, |
| 101 | "update_boot_eeprom - update boot eeprom content\n", |
| 102 | NULL |
| 103 | ); |
| 104 | |
| 105 | #endif |