Stefan Roese | ae691e5 | 2009-01-21 17:24:49 +0100 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2008 Stefan Roese <sr@denx.de>, DENX Software Engineering |
| 3 | * |
| 4 | * Copyright (C) 2006 Micronas GmbH |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU General Public License as |
| 8 | * published by the Free Software Foundation; either version 2 of |
| 9 | * the License, or (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 19 | * MA 02111-1307 USA |
| 20 | */ |
| 21 | |
| 22 | #include <common.h> |
| 23 | #include <command.h> |
| 24 | #include <asm/mipsregs.h> |
| 25 | #include "vct.h" |
| 26 | |
| 27 | #if defined(CONFIG_VCT_PREMIUM) |
| 28 | #define BOARD_NAME "PremiumD" |
| 29 | #elif defined(CONFIG_VCT_PLATINUM) |
| 30 | #define BOARD_NAME "PlatinumD" |
| 31 | #elif defined(CONFIG_VCT_PLATINUMAVC) |
| 32 | #define BOARD_NAME "PlatinumAVC" |
| 33 | #else |
| 34 | #error "vct: No board variant defined!" |
| 35 | #endif |
| 36 | |
| 37 | #if defined(CONFIG_VCT_ONENAND) |
| 38 | #define BOARD_NAME_ADD " OneNAND" |
| 39 | #else |
| 40 | #define BOARD_NAME_ADD " NOR" |
| 41 | #endif |
| 42 | |
| 43 | int board_early_init_f(void) |
| 44 | { |
| 45 | /* |
| 46 | * First initialize the PIN mulitplexing |
| 47 | */ |
| 48 | vct_pin_mux_initialize(); |
| 49 | |
| 50 | /* |
| 51 | * Init the EBI very early so that FLASH can be accessed |
| 52 | */ |
| 53 | ebi_initialize(); |
| 54 | |
| 55 | return 0; |
| 56 | } |
| 57 | |
| 58 | void _machine_restart(void) |
| 59 | { |
| 60 | reg_write(DCGU_EN_WDT_RESET(DCGU_BASE), DCGU_MAGIC_WDT); |
| 61 | reg_write(WDT_TORR(WDT_BASE), 0x00); |
| 62 | reg_write(WDT_CR(WDT_BASE), 0x1D); |
| 63 | |
| 64 | /* |
| 65 | * Now wait for the watchdog to trigger the reset |
| 66 | */ |
| 67 | udelay(1000000); |
| 68 | } |
| 69 | |
| 70 | /* |
| 71 | * SDRAM is already configured by the bootstrap code, only return the |
| 72 | * auto-detected size here |
| 73 | */ |
| 74 | phys_size_t initdram(int board_type) |
| 75 | { |
| 76 | return get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, |
| 77 | CONFIG_SYS_MBYTES_SDRAM << 20); |
| 78 | } |
| 79 | |
| 80 | int checkboard(void) |
| 81 | { |
| 82 | u32 config0 = read_c0_prid(); |
| 83 | char *s = getenv("serial#"); |
| 84 | |
| 85 | if ((config0 & 0xff0000) == PRID_COMP_LEGACY |
| 86 | && (config0 & 0xff00) == PRID_IMP_LX4280) { |
| 87 | puts("Board: MDED \n"); |
| 88 | printf("CPU: LX4280 id: 0x%02x, rev: 0x%02x\n", |
| 89 | (config0 >> 8) & 0xFF, config0 & 0xFF); |
| 90 | } else if ((config0 & 0xff0000) == PRID_COMP_MIPS |
| 91 | && (config0 & 0xff00) == PRID_IMP_VGC) { |
| 92 | u32 jedec_id = *((u32 *) 0xBEBC71A0); |
| 93 | if ((((jedec_id) >> 12) & 0xFF) == 0x40) { |
| 94 | puts("Board: VGCA \n"); |
| 95 | } else if ((((jedec_id) >> 12) & 0xFF) == 0x48 |
| 96 | || (((jedec_id) >> 12) & 0xFF) == 0x49) { |
| 97 | puts("Board: VGCB \n"); |
| 98 | } |
| 99 | printf("CPU: MIPS 4K id: 0x%02x, rev: 0x%02x\n", |
| 100 | (config0 >> 8) & 0xFF, config0 & 0xFF); |
| 101 | } else if (config0 == 0x19378) { |
| 102 | printf("CPU: MIPS 24K id: 0x%02x, rev: 0x%02x\n", |
| 103 | (config0 >> 8) & 0xFF, config0 & 0xFF); |
| 104 | } else { |
| 105 | printf("Unsupported cpu %d, proc_id=0x%x\n", config0 >> 24, |
| 106 | config0); |
| 107 | } |
| 108 | |
| 109 | printf("Board: Micronas VCT " BOARD_NAME BOARD_NAME_ADD); |
| 110 | if (s != NULL) { |
| 111 | puts(", serial# "); |
| 112 | puts(s); |
| 113 | } |
| 114 | putc('\n'); |
| 115 | |
| 116 | return 0; |
| 117 | } |