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