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 #define CONFIG_CMD_USB 68 69 /* 70 * Memory configurations 71 */ 72 #define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */ 73 #define PHYS_SDRAM_1 0x40000000 /* Base address */ 74 #define PHYS_SDRAM_1_SIZE 0x40000000 /* Max 1 GB RAM */ 75 #define CONFIG_STACKSIZE (128 * 1024) /* 128 KB stack */ 76 #define CONFIG_SYS_MALLOC_LEN 0x00400000 /* 4 MB for malloc */ 77 #define CONFIG_SYS_MEMTEST_START 0x40000000 /* Memtest start adr */ 78 #define CONFIG_SYS_MEMTEST_END 0x40400000 /* 4 MB RAM test */ 79 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 80 /* Point initial SP in SRAM so SPL can use it too. */ 81 82 #define CONFIG_SYS_INIT_RAM_ADDR 0x00002000 83 #define CONFIG_SYS_INIT_RAM_SIZE (128 * 1024) 84 85 #define CONFIG_SYS_INIT_SP_OFFSET \ 86 (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) 87 #define CONFIG_SYS_INIT_SP_ADDR \ 88 (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET) 89 90 /* 91 * We need to sacrifice first 4 bytes of RAM here to avoid triggering some 92 * strange BUG in ROM corrupting first 4 bytes of RAM when loading U-Boot 93 * binary. In case there was more of this mess, 0x100 bytes are skipped. 94 */ 95 #define CONFIG_SYS_TEXT_BASE 0x40000100 96 97 #define CONFIG_ENV_OVERWRITE 98 /* 99 * U-Boot general configurations 100 */ 101 #define CONFIG_SYS_LONGHELP 102 #define CONFIG_SYS_PROMPT "MX28EVK U-Boot > " 103 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O buffer size */ 104 #define CONFIG_SYS_PBSIZE \ 105 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) 106 /* Print buffer size */ 107 #define CONFIG_SYS_MAXARGS 32 /* Max number of command args */ 108 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 109 /* Boot argument buffer size */ 110 #define CONFIG_VERSION_VARIABLE /* U-BOOT version */ 111 #define CONFIG_AUTO_COMPLETE /* Command auto complete */ 112 #define CONFIG_CMDLINE_EDITING /* Command history etc */ 113 #define CONFIG_SYS_HUSH_PARSER 114 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> " 115 116 /* 117 * Serial Driver 118 */ 119 #define CONFIG_PL011_SERIAL 120 #define CONFIG_PL011_CLOCK 24000000 121 #define CONFIG_PL01x_PORTS { (void *)MXS_UARTDBG_BASE } 122 #define CONFIG_CONS_INDEX 0 123 #define CONFIG_BAUDRATE 115200 /* Default baud rate */ 124 #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } 125 126 /* 127 * MMC Driver 128 */ 129 #define CONFIG_ENV_IS_IN_MMC 130 #define CONFIG_ENV_OFFSET (256 * 1024) 131 #define CONFIG_ENV_SIZE (16 * 1024) 132 #define CONFIG_SYS_MMC_ENV_DEV 0 133 #define CONFIG_CMD_SAVEENV 134 #ifdef CONFIG_CMD_MMC 135 #define CONFIG_MMC 136 #define CONFIG_GENERIC_MMC 137 #define CONFIG_MXS_MMC 138 #endif 139 140 /* 141 * Ethernet on SOC (FEC) 142 */ 143 #ifdef CONFIG_CMD_NET 144 #define CONFIG_NET_MULTI 145 #define CONFIG_ETHPRIME "FEC0" 146 #define CONFIG_FEC_MXC 147 #define CONFIG_FEC_MXC_MULTI 148 #define CONFIG_MII 149 #define CONFIG_DISCOVER_PHY 150 #define CONFIG_FEC_XCV_TYPE RMII 151 #define CONFIG_MX28_FEC_MAC_IN_OCOTP 152 #endif 153 154 /* 155 * RTC 156 */ 157 #ifdef CONFIG_CMD_DATE 158 #define CONFIG_RTC_MXS 159 #endif 160 161 /* 162 * USB 163 */ 164 #ifdef CONFIG_CMD_USB 165 #define CONFIG_USB_EHCI 166 #define CONFIG_USB_EHCI_MXS 167 #define CONFIG_EHCI_MXS_PORT 1 168 #define CONFIG_EHCI_IS_TDI 169 #define CONFIG_USB_STORAGE 170 #endif 171 172 /* 173 * Boot Linux 174 */ 175 #define CONFIG_CMDLINE_TAG 176 #define CONFIG_SETUP_MEMORY_TAGS 177 #define CONFIG_BOOTDELAY 3 178 #define CONFIG_BOOTFILE "uImage" 179 #define CONFIG_BOOTCOMMAND "run bootcmd_net" 180 #define CONFIG_LOADADDR 0x42000000 181 #define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR 182 183 /* 184 * Extra Environments 185 */ 186 #define CONFIG_EXTRA_ENV_SETTINGS \ 187 "console_fsl=console=ttyAM0" \ 188 "console_mainline=console=ttyAMA0" \ 189 "netargs=setenv bootargs console=${console_mainline}" \ 190 "root=/dev/nfs " \ 191 "ip=dhcp nfsroot=${serverip}:${nfsroot}\0" \ 192 "bootcmd_net=echo Booting from net ...; " \ 193 "run netargs; " \ 194 "dhcp ${uimage}; bootm\0" \ 195 196 #endif /* __CONFIG_H */ 197