1 /* 2 * (C) Copyright 2008 Stefan Roese <sr@denx.de>, DENX Software Engineering 3 * 4 * Copyright (C) 2006 Micronas GmbH 5 * 6 * SPDX-License-Identifier: GPL-2.0+ 7 */ 8 9 #include <common.h> 10 #include <command.h> 11 #include <netdev.h> 12 #include <asm/mipsregs.h> 13 #include "vct.h" 14 15 #if defined(CONFIG_VCT_PREMIUM) 16 #define BOARD_NAME "PremiumD" 17 #elif defined(CONFIG_VCT_PLATINUM) 18 #define BOARD_NAME "PlatinumD" 19 #elif defined(CONFIG_VCT_PLATINUMAVC) 20 #define BOARD_NAME "PlatinumAVC" 21 #else 22 #error "vct: No board variant defined!" 23 #endif 24 25 #if defined(CONFIG_VCT_ONENAND) 26 #define BOARD_NAME_ADD " OneNAND" 27 #else 28 #define BOARD_NAME_ADD " NOR" 29 #endif 30 31 DECLARE_GLOBAL_DATA_PTR; 32 33 int board_early_init_f(void) 34 { 35 /* 36 * First initialize the PIN mulitplexing 37 */ 38 vct_pin_mux_initialize(); 39 40 /* 41 * Init the EBI very early so that FLASH can be accessed 42 */ 43 ebi_initialize(); 44 45 return 0; 46 } 47 48 void _machine_restart(void) 49 { 50 reg_write(DCGU_EN_WDT_RESET(DCGU_BASE), DCGU_MAGIC_WDT); 51 reg_write(WDT_TORR(WDT_BASE), 0x00); 52 reg_write(WDT_CR(WDT_BASE), 0x1D); 53 54 /* 55 * Now wait for the watchdog to trigger the reset 56 */ 57 udelay(1000000); 58 } 59 60 /* 61 * SDRAM is already configured by the bootstrap code, only return the 62 * auto-detected size here 63 */ 64 int dram_init(void) 65 { 66 gd->ram_size = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 67 CONFIG_SYS_MBYTES_SDRAM << 20); 68 69 return 0; 70 } 71 72 int checkboard(void) 73 { 74 char buf[64]; 75 int i = getenv_f("serial#", buf, sizeof(buf)); 76 u32 config0 = read_c0_prid(); 77 78 if ((config0 & 0xff0000) == PRID_COMP_LEGACY 79 && (config0 & 0xff00) == PRID_IMP_LX4280) { 80 puts("Board: MDED \n"); 81 printf("CPU: LX4280 id: 0x%02x, rev: 0x%02x\n", 82 (config0 >> 8) & 0xFF, config0 & 0xFF); 83 } else if ((config0 & 0xff0000) == PRID_COMP_MIPS 84 && (config0 & 0xff00) == PRID_IMP_VGC) { 85 u32 jedec_id = *((u32 *) 0xBEBC71A0); 86 if ((((jedec_id) >> 12) & 0xFF) == 0x40) { 87 puts("Board: VGCA \n"); 88 } else if ((((jedec_id) >> 12) & 0xFF) == 0x48 89 || (((jedec_id) >> 12) & 0xFF) == 0x49) { 90 puts("Board: VGCB \n"); 91 } 92 printf("CPU: MIPS 4K id: 0x%02x, rev: 0x%02x\n", 93 (config0 >> 8) & 0xFF, config0 & 0xFF); 94 } else if (config0 == 0x19378) { 95 printf("CPU: MIPS 24K id: 0x%02x, rev: 0x%02x\n", 96 (config0 >> 8) & 0xFF, config0 & 0xFF); 97 } else { 98 printf("Unsupported cpu %d, proc_id=0x%x\n", config0 >> 24, 99 config0); 100 } 101 102 printf("Board: Micronas VCT " BOARD_NAME BOARD_NAME_ADD); 103 if (i > 0) { 104 puts(", serial# "); 105 puts(buf); 106 } 107 putc('\n'); 108 109 return 0; 110 } 111 112 int board_eth_init(bd_t *bis) 113 { 114 int rc = 0; 115 #ifdef CONFIG_SMC911X 116 rc = smc911x_initialize(0, CONFIG_SMC911X_BASE); 117 #endif 118 return rc; 119 } 120