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_SF 68 #define CONFIG_CMD_SPI 69 #define CONFIG_CMD_USB 70 71 /* 72 * Memory configurations 73 */ 74 #define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */ 75 #define PHYS_SDRAM_1 0x40000000 /* Base address */ 76 #define PHYS_SDRAM_1_SIZE 0x40000000 /* Max 1 GB RAM */ 77 #define CONFIG_STACKSIZE (128 * 1024) /* 128 KB stack */ 78 #define CONFIG_SYS_MALLOC_LEN 0x00400000 /* 4 MB for malloc */ 79 #define CONFIG_SYS_MEMTEST_START 0x40000000 /* Memtest start adr */ 80 #define CONFIG_SYS_MEMTEST_END 0x40400000 /* 4 MB RAM test */ 81 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 82 /* Point initial SP in SRAM so SPL can use it too. */ 83 84 #define CONFIG_SYS_INIT_RAM_ADDR 0x00002000 85 #define CONFIG_SYS_INIT_RAM_SIZE (128 * 1024) 86 87 #define CONFIG_SYS_INIT_SP_OFFSET \ 88 (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) 89 #define CONFIG_SYS_INIT_SP_ADDR \ 90 (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET) 91 92 /* 93 * We need to sacrifice first 4 bytes of RAM here to avoid triggering some 94 * strange BUG in ROM corrupting first 4 bytes of RAM when loading U-Boot 95 * binary. In case there was more of this mess, 0x100 bytes are skipped. 96 */ 97 #define CONFIG_SYS_TEXT_BASE 0x40000100 98 99 #define CONFIG_ENV_OVERWRITE 100 /* 101 * U-Boot general configurations 102 */ 103 #define CONFIG_SYS_LONGHELP 104 #define CONFIG_SYS_PROMPT "MX28EVK U-Boot > " 105 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O buffer size */ 106 #define CONFIG_SYS_PBSIZE \ 107 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) 108 /* Print buffer size */ 109 #define CONFIG_SYS_MAXARGS 32 /* Max number of command args */ 110 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 111 /* Boot argument buffer size */ 112 #define CONFIG_VERSION_VARIABLE /* U-BOOT version */ 113 #define CONFIG_AUTO_COMPLETE /* Command auto complete */ 114 #define CONFIG_CMDLINE_EDITING /* Command history etc */ 115 #define CONFIG_SYS_HUSH_PARSER 116 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> " 117 118 /* 119 * Serial Driver 120 */ 121 #define CONFIG_PL011_SERIAL 122 #define CONFIG_PL011_CLOCK 24000000 123 #define CONFIG_PL01x_PORTS { (void *)MXS_UARTDBG_BASE } 124 #define CONFIG_CONS_INDEX 0 125 #define CONFIG_BAUDRATE 115200 /* Default baud rate */ 126 #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } 127 128 /* 129 * MMC Driver 130 */ 131 #define CONFIG_ENV_IS_IN_MMC 132 #ifdef CONFIG_ENV_IS_IN_MMC 133 #define CONFIG_ENV_OFFSET (256 * 1024) 134 #define CONFIG_ENV_SIZE (16 * 1024) 135 #define CONFIG_SYS_MMC_ENV_DEV 0 136 #endif 137 #define CONFIG_CMD_SAVEENV 138 #ifdef CONFIG_CMD_MMC 139 #define CONFIG_MMC 140 #define CONFIG_GENERIC_MMC 141 #define CONFIG_MMC_BOUNCE_BUFFER 142 #define CONFIG_MXS_MMC 143 #endif 144 145 /* 146 * Ethernet on SOC (FEC) 147 */ 148 #ifdef CONFIG_CMD_NET 149 #define CONFIG_NET_MULTI 150 #define CONFIG_ETHPRIME "FEC0" 151 #define CONFIG_FEC_MXC 152 #define CONFIG_FEC_MXC_MULTI 153 #define CONFIG_MII 154 #define CONFIG_DISCOVER_PHY 155 #define CONFIG_FEC_XCV_TYPE RMII 156 #define CONFIG_MX28_FEC_MAC_IN_OCOTP 157 #endif 158 159 /* 160 * RTC 161 */ 162 #ifdef CONFIG_CMD_DATE 163 #define CONFIG_RTC_MXS 164 #endif 165 166 /* 167 * USB 168 */ 169 #ifdef CONFIG_CMD_USB 170 #define CONFIG_USB_EHCI 171 #define CONFIG_USB_EHCI_MXS 172 #define CONFIG_EHCI_MXS_PORT 1 173 #define CONFIG_EHCI_IS_TDI 174 #define CONFIG_USB_STORAGE 175 #endif 176 177 /* 178 * SPI 179 */ 180 #ifdef CONFIG_CMD_SPI 181 #define CONFIG_HARD_SPI 182 #define CONFIG_MXS_SPI 183 #define CONFIG_SPI_HALF_DUPLEX 184 #define CONFIG_DEFAULT_SPI_BUS 2 185 #define CONFIG_DEFAULT_SPI_MODE SPI_MODE_0 186 187 /* SPI Flash */ 188 #ifdef CONFIG_CMD_SF 189 #define CONFIG_SPI_FLASH 190 #define CONFIG_SF_DEFAULT_BUS 2 191 #define CONFIG_SF_DEFAULT_CS 0 192 /* this may vary and depends on the installed chip */ 193 #define CONFIG_SPI_FLASH_SST 194 #define CONFIG_SF_DEFAULT_MODE SPI_MODE_0 195 #define CONFIG_SF_DEFAULT_SPEED 24000000 196 197 /* (redundant) environemnt in SPI flash */ 198 #undef CONFIG_ENV_IS_IN_SPI_FLASH 199 #ifdef CONFIG_ENV_IS_IN_SPI_FLASH 200 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT 201 #define CONFIG_ENV_SIZE 0x1000 /* 4KB */ 202 #define CONFIG_ENV_OFFSET 0x40000 /* 256K */ 203 #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE) 204 #define CONFIG_ENV_SECT_SIZE 0x1000 205 #define CONFIG_ENV_SPI_CS 0 206 #define CONFIG_ENV_SPI_BUS 2 207 #define CONFIG_ENV_SPI_MAX_HZ 24000000 208 #define CONFIG_ENV_SPI_MODE SPI_MODE_0 209 #endif 210 #endif 211 #endif 212 213 /* 214 * Boot Linux 215 */ 216 #define CONFIG_CMDLINE_TAG 217 #define CONFIG_SETUP_MEMORY_TAGS 218 #define CONFIG_BOOTDELAY 3 219 #define CONFIG_BOOTFILE "uImage" 220 #define CONFIG_BOOTCOMMAND "run bootcmd_net" 221 #define CONFIG_LOADADDR 0x42000000 222 #define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR 223 224 /* 225 * Extra Environments 226 */ 227 #define CONFIG_EXTRA_ENV_SETTINGS \ 228 "console_fsl=console=ttyAM0" \ 229 "console_mainline=console=ttyAMA0" \ 230 "netargs=setenv bootargs console=${console_mainline}" \ 231 "root=/dev/nfs " \ 232 "ip=dhcp nfsroot=${serverip}:${nfsroot}\0" \ 233 "bootcmd_net=echo Booting from net ...; " \ 234 "run netargs; " \ 235 "dhcp ${uimage}; bootm\0" \ 236 237 #endif /* __CONFIG_H */ 238