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 <netdev.h> 25 #include <asm/mipsregs.h> 26 #include "vct.h" 27 28 #if defined(CONFIG_VCT_PREMIUM) 29 #define BOARD_NAME "PremiumD" 30 #elif defined(CONFIG_VCT_PLATINUM) 31 #define BOARD_NAME "PlatinumD" 32 #elif defined(CONFIG_VCT_PLATINUMAVC) 33 #define BOARD_NAME "PlatinumAVC" 34 #else 35 #error "vct: No board variant defined!" 36 #endif 37 38 #if defined(CONFIG_VCT_ONENAND) 39 #define BOARD_NAME_ADD " OneNAND" 40 #else 41 #define BOARD_NAME_ADD " NOR" 42 #endif 43 44 int board_early_init_f(void) 45 { 46 /* 47 * First initialize the PIN mulitplexing 48 */ 49 vct_pin_mux_initialize(); 50 51 /* 52 * Init the EBI very early so that FLASH can be accessed 53 */ 54 ebi_initialize(); 55 56 return 0; 57 } 58 59 void _machine_restart(void) 60 { 61 reg_write(DCGU_EN_WDT_RESET(DCGU_BASE), DCGU_MAGIC_WDT); 62 reg_write(WDT_TORR(WDT_BASE), 0x00); 63 reg_write(WDT_CR(WDT_BASE), 0x1D); 64 65 /* 66 * Now wait for the watchdog to trigger the reset 67 */ 68 udelay(1000000); 69 } 70 71 /* 72 * SDRAM is already configured by the bootstrap code, only return the 73 * auto-detected size here 74 */ 75 phys_size_t initdram(int board_type) 76 { 77 return get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 78 CONFIG_SYS_MBYTES_SDRAM << 20); 79 } 80 81 int checkboard(void) 82 { 83 u32 config0 = read_c0_prid(); 84 char *s = getenv("serial#"); 85 86 if ((config0 & 0xff0000) == PRID_COMP_LEGACY 87 && (config0 & 0xff00) == PRID_IMP_LX4280) { 88 puts("Board: MDED \n"); 89 printf("CPU: LX4280 id: 0x%02x, rev: 0x%02x\n", 90 (config0 >> 8) & 0xFF, config0 & 0xFF); 91 } else if ((config0 & 0xff0000) == PRID_COMP_MIPS 92 && (config0 & 0xff00) == PRID_IMP_VGC) { 93 u32 jedec_id = *((u32 *) 0xBEBC71A0); 94 if ((((jedec_id) >> 12) & 0xFF) == 0x40) { 95 puts("Board: VGCA \n"); 96 } else if ((((jedec_id) >> 12) & 0xFF) == 0x48 97 || (((jedec_id) >> 12) & 0xFF) == 0x49) { 98 puts("Board: VGCB \n"); 99 } 100 printf("CPU: MIPS 4K id: 0x%02x, rev: 0x%02x\n", 101 (config0 >> 8) & 0xFF, config0 & 0xFF); 102 } else if (config0 == 0x19378) { 103 printf("CPU: MIPS 24K id: 0x%02x, rev: 0x%02x\n", 104 (config0 >> 8) & 0xFF, config0 & 0xFF); 105 } else { 106 printf("Unsupported cpu %d, proc_id=0x%x\n", config0 >> 24, 107 config0); 108 } 109 110 printf("Board: Micronas VCT " BOARD_NAME BOARD_NAME_ADD); 111 if (s != NULL) { 112 puts(", serial# "); 113 puts(s); 114 } 115 putc('\n'); 116 117 return 0; 118 } 119 120 int board_eth_init(bd_t *bis) 121 { 122 int rc = 0; 123 #ifdef CONFIG_SMC911X 124 rc = smc911x_initialize(0, CONFIG_SMC911X_BASE); 125 #endif 126 return rc; 127 } 128