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_DHCP 60 #define CONFIG_CMD_GPIO 61 #define CONFIG_CMD_MII 62 #define CONFIG_CMD_MMC 63 #define CONFIG_CMD_NET 64 #define CONFIG_CMD_NFS 65 #define CONFIG_CMD_PING 66 67 /* 68 * Memory configurations 69 */ 70 #define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */ 71 #define PHYS_SDRAM_1 0x40000000 /* Base address */ 72 #define PHYS_SDRAM_1_SIZE 0x40000000 /* Max 1 GB RAM */ 73 #define CONFIG_STACKSIZE (128 * 1024) /* 128 KB stack */ 74 #define CONFIG_SYS_MALLOC_LEN 0x00400000 /* 4 MB for malloc */ 75 #define CONFIG_SYS_MEMTEST_START 0x40000000 /* Memtest start adr */ 76 #define CONFIG_SYS_MEMTEST_END 0x40400000 /* 4 MB RAM test */ 77 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 78 /* Point initial SP in SRAM so SPL can use it too. */ 79 80 #define CONFIG_SYS_INIT_RAM_ADDR 0x00002000 81 #define CONFIG_SYS_INIT_RAM_SIZE (128 * 1024) 82 83 #define CONFIG_SYS_INIT_SP_OFFSET \ 84 (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) 85 #define CONFIG_SYS_INIT_SP_ADDR \ 86 (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET) 87 88 /* 89 * We need to sacrifice first 4 bytes of RAM here to avoid triggering some 90 * strange BUG in ROM corrupting first 4 bytes of RAM when loading U-Boot 91 * binary. In case there was more of this mess, 0x100 bytes are skipped. 92 */ 93 #define CONFIG_SYS_TEXT_BASE 0x40000100 94 95 #define CONFIG_ENV_OVERWRITE 96 /* 97 * U-Boot general configurations 98 */ 99 #define CONFIG_SYS_LONGHELP 100 #define CONFIG_SYS_PROMPT "MX28EVK U-Boot > " 101 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O buffer size */ 102 #define CONFIG_SYS_PBSIZE \ 103 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) 104 /* Print buffer size */ 105 #define CONFIG_SYS_MAXARGS 32 /* Max number of command args */ 106 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 107 /* Boot argument buffer size */ 108 #define CONFIG_VERSION_VARIABLE /* U-BOOT version */ 109 #define CONFIG_AUTO_COMPLETE /* Command auto complete */ 110 #define CONFIG_CMDLINE_EDITING /* Command history etc */ 111 #define CONFIG_SYS_HUSH_PARSER 112 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> " 113 114 /* 115 * Serial Driver 116 */ 117 #define CONFIG_PL011_SERIAL 118 #define CONFIG_PL011_CLOCK 24000000 119 #define CONFIG_PL01x_PORTS { (void *)MXS_UARTDBG_BASE } 120 #define CONFIG_CONS_INDEX 0 121 #define CONFIG_BAUDRATE 115200 /* Default baud rate */ 122 #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } 123 124 /* 125 * MMC Driver 126 */ 127 #define CONFIG_ENV_IS_IN_MMC 128 #define CONFIG_ENV_OFFSET (256 * 1024) 129 #define CONFIG_ENV_SIZE (16 * 1024) 130 #define CONFIG_SYS_MMC_ENV_DEV 0 131 #define CONFIG_CMD_SAVEENV 132 #ifdef CONFIG_CMD_MMC 133 #define CONFIG_MMC 134 #define CONFIG_GENERIC_MMC 135 #define CONFIG_MXS_MMC 136 #endif 137 138 /* 139 * Ethernet on SOC (FEC) 140 */ 141 #ifdef CONFIG_CMD_NET 142 #define CONFIG_NET_MULTI 143 #define CONFIG_ETHPRIME "FEC0" 144 #define CONFIG_FEC_MXC 145 #define CONFIG_FEC_MXC_MULTI 146 #define CONFIG_MII 147 #define CONFIG_DISCOVER_PHY 148 #define CONFIG_FEC_XCV_TYPE RMII 149 #define CONFIG_MX28_FEC_MAC_IN_OCOTP 150 #endif 151 152 /* 153 * Boot Linux 154 */ 155 #define CONFIG_CMDLINE_TAG 156 #define CONFIG_SETUP_MEMORY_TAGS 157 #define CONFIG_BOOTDELAY 3 158 #define CONFIG_BOOTFILE "uImage" 159 #define CONFIG_BOOTCOMMAND "run bootcmd_net" 160 #define CONFIG_LOADADDR 0x42000000 161 #define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR 162 163 /* 164 * Extra Environments 165 */ 166 #define CONFIG_EXTRA_ENV_SETTINGS \ 167 "console_fsl=console=ttyAM0" \ 168 "console_mainline=console=ttyAMA0" \ 169 "netargs=setenv bootargs console=${console_mainline}" \ 170 "root=/dev/nfs " \ 171 "ip=dhcp nfsroot=${serverip}:${nfsroot}\0" \ 172 "bootcmd_net=echo Booting from net ...; " \ 173 "run netargs; " \ 174 "dhcp ${uimage}; bootm\0" \ 175 176 #endif /* __CONFIG_H */ 177