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 0x00000000 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 * DMA 130 */ 131 #define CONFIG_APBH_DMA 132 133 /* 134 * MMC Driver 135 */ 136 #define CONFIG_ENV_IS_IN_MMC 137 #ifdef CONFIG_ENV_IS_IN_MMC 138 #define CONFIG_ENV_OFFSET (256 * 1024) 139 #define CONFIG_ENV_SIZE (16 * 1024) 140 #define CONFIG_SYS_MMC_ENV_DEV 0 141 #endif 142 #define CONFIG_CMD_SAVEENV 143 #ifdef CONFIG_CMD_MMC 144 #define CONFIG_MMC 145 #define CONFIG_GENERIC_MMC 146 #define CONFIG_MMC_BOUNCE_BUFFER 147 #define CONFIG_MXS_MMC 148 #endif 149 150 /* 151 * Ethernet on SOC (FEC) 152 */ 153 #ifdef CONFIG_CMD_NET 154 #define CONFIG_NET_MULTI 155 #define CONFIG_ETHPRIME "FEC0" 156 #define CONFIG_FEC_MXC 157 #define CONFIG_FEC_MXC_MULTI 158 #define CONFIG_MII 159 #define CONFIG_DISCOVER_PHY 160 #define CONFIG_FEC_XCV_TYPE RMII 161 #define CONFIG_MX28_FEC_MAC_IN_OCOTP 162 #endif 163 164 /* 165 * RTC 166 */ 167 #ifdef CONFIG_CMD_DATE 168 #define CONFIG_RTC_MXS 169 #endif 170 171 /* 172 * USB 173 */ 174 #ifdef CONFIG_CMD_USB 175 #define CONFIG_USB_EHCI 176 #define CONFIG_USB_EHCI_MXS 177 #define CONFIG_EHCI_MXS_PORT 1 178 #define CONFIG_EHCI_IS_TDI 179 #define CONFIG_USB_STORAGE 180 #endif 181 182 /* 183 * SPI 184 */ 185 #ifdef CONFIG_CMD_SPI 186 #define CONFIG_HARD_SPI 187 #define CONFIG_MXS_SPI 188 #define CONFIG_SPI_HALF_DUPLEX 189 #define CONFIG_DEFAULT_SPI_BUS 2 190 #define CONFIG_DEFAULT_SPI_MODE SPI_MODE_0 191 192 /* SPI Flash */ 193 #ifdef CONFIG_CMD_SF 194 #define CONFIG_SPI_FLASH 195 #define CONFIG_SF_DEFAULT_BUS 2 196 #define CONFIG_SF_DEFAULT_CS 0 197 /* this may vary and depends on the installed chip */ 198 #define CONFIG_SPI_FLASH_SST 199 #define CONFIG_SF_DEFAULT_MODE SPI_MODE_0 200 #define CONFIG_SF_DEFAULT_SPEED 24000000 201 202 /* (redundant) environemnt in SPI flash */ 203 #undef CONFIG_ENV_IS_IN_SPI_FLASH 204 #ifdef CONFIG_ENV_IS_IN_SPI_FLASH 205 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT 206 #define CONFIG_ENV_SIZE 0x1000 /* 4KB */ 207 #define CONFIG_ENV_OFFSET 0x40000 /* 256K */ 208 #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE) 209 #define CONFIG_ENV_SECT_SIZE 0x1000 210 #define CONFIG_ENV_SPI_CS 0 211 #define CONFIG_ENV_SPI_BUS 2 212 #define CONFIG_ENV_SPI_MAX_HZ 24000000 213 #define CONFIG_ENV_SPI_MODE SPI_MODE_0 214 #endif 215 #endif 216 #endif 217 218 /* 219 * Boot Linux 220 */ 221 #define CONFIG_CMDLINE_TAG 222 #define CONFIG_SETUP_MEMORY_TAGS 223 #define CONFIG_BOOTDELAY 3 224 #define CONFIG_BOOTFILE "uImage" 225 #define CONFIG_BOOTCOMMAND "run bootcmd_net" 226 #define CONFIG_LOADADDR 0x42000000 227 #define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR 228 229 /* 230 * Extra Environments 231 */ 232 #define CONFIG_EXTRA_ENV_SETTINGS \ 233 "console_fsl=console=ttyAM0" \ 234 "console_mainline=console=ttyAMA0" \ 235 "netargs=setenv bootargs console=${console_mainline}" \ 236 "root=/dev/nfs " \ 237 "ip=dhcp nfsroot=${serverip}:${nfsroot}\0" \ 238 "bootcmd_net=echo Booting from net ...; " \ 239 "run netargs; " \ 240 "dhcp ${uimage}; bootm\0" \ 241 242 #endif /* __CONFIG_H */ 243