1 /* 2 * (C) Copyright 2011 Freescale Semiconductor, Inc. 3 * Author: Fabio Estevam <fabio.estevam@freescale.com> 4 * 5 * Based on m28evk.h: 6 * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com> 7 * on behalf of DENX Software Engineering GmbH 8 * 9 * This program is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU General Public License as 11 * published by the Free Software Foundation; either version 2 of 12 * the License, or (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 */ 19 #ifndef __CONFIG_H 20 #define __CONFIG_H 21 22 #include <asm/arch/regs-base.h> 23 24 /* 25 * SoC configurations 26 */ 27 #define CONFIG_MX28 /* i.MX28 SoC */ 28 #define CONFIG_MXS_GPIO /* GPIO control */ 29 #define CONFIG_SYS_HZ 1000 /* Ticks per second */ 30 31 #define CONFIG_MACH_TYPE MACH_TYPE_MX28EVK 32 33 #define CONFIG_SYS_NO_FLASH 34 #define CONFIG_SYS_ICACHE_OFF 35 #define CONFIG_SYS_DCACHE_OFF 36 #define CONFIG_BOARD_EARLY_INIT_F 37 #define CONFIG_ARCH_CPU_INIT 38 #define CONFIG_ARCH_MISC_INIT 39 40 /* 41 * SPL 42 */ 43 #define CONFIG_SPL 44 #define CONFIG_SPL_NO_CPU_SUPPORT_CODE 45 #define CONFIG_SPL_START_S_PATH "arch/arm/cpu/arm926ejs/mx28" 46 #define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/arm926ejs/mx28/u-boot-spl.lds" 47 #define CONFIG_SPL_LIBCOMMON_SUPPORT 48 #define CONFIG_SPL_LIBGENERIC_SUPPORT 49 50 /* 51 * U-Boot Commands 52 */ 53 #include <config_cmd_default.h> 54 #define CONFIG_DISPLAY_CPUINFO 55 #define CONFIG_DOS_PARTITION 56 #define CONFIG_CMD_FAT 57 58 #define CONFIG_CMD_CACHE 59 #define CONFIG_CMD_DATE 60 #define CONFIG_CMD_DHCP 61 #define CONFIG_CMD_GPIO 62 #define CONFIG_CMD_MII 63 #define CONFIG_CMD_MMC 64 #define CONFIG_CMD_NET 65 #define CONFIG_CMD_NFS 66 #define CONFIG_CMD_PING 67 68 /* 69 * Memory configurations 70 */ 71 #define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */ 72 #define PHYS_SDRAM_1 0x40000000 /* Base address */ 73 #define PHYS_SDRAM_1_SIZE 0x40000000 /* Max 1 GB RAM */ 74 #define CONFIG_STACKSIZE (128 * 1024) /* 128 KB stack */ 75 #define CONFIG_SYS_MALLOC_LEN 0x00400000 /* 4 MB for malloc */ 76 #define CONFIG_SYS_MEMTEST_START 0x40000000 /* Memtest start adr */ 77 #define CONFIG_SYS_MEMTEST_END 0x40400000 /* 4 MB RAM test */ 78 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 79 /* Point initial SP in SRAM so SPL can use it too. */ 80 81 #define CONFIG_SYS_INIT_RAM_ADDR 0x00002000 82 #define CONFIG_SYS_INIT_RAM_SIZE (128 * 1024) 83 84 #define CONFIG_SYS_INIT_SP_OFFSET \ 85 (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) 86 #define CONFIG_SYS_INIT_SP_ADDR \ 87 (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET) 88 89 /* 90 * We need to sacrifice first 4 bytes of RAM here to avoid triggering some 91 * strange BUG in ROM corrupting first 4 bytes of RAM when loading U-Boot 92 * binary. In case there was more of this mess, 0x100 bytes are skipped. 93 */ 94 #define CONFIG_SYS_TEXT_BASE 0x40000100 95 96 #define CONFIG_ENV_OVERWRITE 97 /* 98 * U-Boot general configurations 99 */ 100 #define CONFIG_SYS_LONGHELP 101 #define CONFIG_SYS_PROMPT "MX28EVK U-Boot > " 102 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O buffer size */ 103 #define CONFIG_SYS_PBSIZE \ 104 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) 105 /* Print buffer size */ 106 #define CONFIG_SYS_MAXARGS 32 /* Max number of command args */ 107 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 108 /* Boot argument buffer size */ 109 #define CONFIG_VERSION_VARIABLE /* U-BOOT version */ 110 #define CONFIG_AUTO_COMPLETE /* Command auto complete */ 111 #define CONFIG_CMDLINE_EDITING /* Command history etc */ 112 #define CONFIG_SYS_HUSH_PARSER 113 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> " 114 115 /* 116 * Serial Driver 117 */ 118 #define CONFIG_PL011_SERIAL 119 #define CONFIG_PL011_CLOCK 24000000 120 #define CONFIG_PL01x_PORTS { (void *)MXS_UARTDBG_BASE } 121 #define CONFIG_CONS_INDEX 0 122 #define CONFIG_BAUDRATE 115200 /* Default baud rate */ 123 #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } 124 125 /* 126 * MMC Driver 127 */ 128 #define CONFIG_ENV_IS_IN_MMC 129 #define CONFIG_ENV_OFFSET (256 * 1024) 130 #define CONFIG_ENV_SIZE (16 * 1024) 131 #define CONFIG_SYS_MMC_ENV_DEV 0 132 #define CONFIG_CMD_SAVEENV 133 #ifdef CONFIG_CMD_MMC 134 #define CONFIG_MMC 135 #define CONFIG_GENERIC_MMC 136 #define CONFIG_MXS_MMC 137 #endif 138 139 /* 140 * Ethernet on SOC (FEC) 141 */ 142 #ifdef CONFIG_CMD_NET 143 #define CONFIG_NET_MULTI 144 #define CONFIG_ETHPRIME "FEC0" 145 #define CONFIG_FEC_MXC 146 #define CONFIG_FEC_MXC_MULTI 147 #define CONFIG_MII 148 #define CONFIG_DISCOVER_PHY 149 #define CONFIG_FEC_XCV_TYPE RMII 150 #define CONFIG_MX28_FEC_MAC_IN_OCOTP 151 #endif 152 153 /* 154 * RTC 155 */ 156 #ifdef CONFIG_CMD_DATE 157 #define CONFIG_RTC_MXS 158 #endif 159 160 /* 161 * Boot Linux 162 */ 163 #define CONFIG_CMDLINE_TAG 164 #define CONFIG_SETUP_MEMORY_TAGS 165 #define CONFIG_BOOTDELAY 3 166 #define CONFIG_BOOTFILE "uImage" 167 #define CONFIG_BOOTCOMMAND "run bootcmd_net" 168 #define CONFIG_LOADADDR 0x42000000 169 #define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR 170 171 /* 172 * Extra Environments 173 */ 174 #define CONFIG_EXTRA_ENV_SETTINGS \ 175 "console_fsl=console=ttyAM0" \ 176 "console_mainline=console=ttyAMA0" \ 177 "netargs=setenv bootargs console=${console_mainline}" \ 178 "root=/dev/nfs " \ 179 "ip=dhcp nfsroot=${serverip}:${nfsroot}\0" \ 180 "bootcmd_net=echo Booting from net ...; " \ 181 "run netargs; " \ 182 "dhcp ${uimage}; bootm\0" \ 183 184 #endif /* __CONFIG_H */ 185