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 #define CONFIG_CMD_BOOTZ 71 72 /* 73 * Memory configurations 74 */ 75 #define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */ 76 #define PHYS_SDRAM_1 0x40000000 /* Base address */ 77 #define PHYS_SDRAM_1_SIZE 0x40000000 /* Max 1 GB RAM */ 78 #define CONFIG_STACKSIZE (128 * 1024) /* 128 KB stack */ 79 #define CONFIG_SYS_MALLOC_LEN 0x00400000 /* 4 MB for malloc */ 80 #define CONFIG_SYS_MEMTEST_START 0x40000000 /* Memtest start adr */ 81 #define CONFIG_SYS_MEMTEST_END 0x40400000 /* 4 MB RAM test */ 82 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 83 /* Point initial SP in SRAM so SPL can use it too. */ 84 85 #define CONFIG_SYS_INIT_RAM_ADDR 0x00000000 86 #define CONFIG_SYS_INIT_RAM_SIZE (128 * 1024) 87 88 #define CONFIG_SYS_INIT_SP_OFFSET \ 89 (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) 90 #define CONFIG_SYS_INIT_SP_ADDR \ 91 (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET) 92 93 /* 94 * We need to sacrifice first 4 bytes of RAM here to avoid triggering some 95 * strange BUG in ROM corrupting first 4 bytes of RAM when loading U-Boot 96 * binary. In case there was more of this mess, 0x100 bytes are skipped. 97 */ 98 #define CONFIG_SYS_TEXT_BASE 0x40000100 99 100 #define CONFIG_ENV_OVERWRITE 101 /* 102 * U-Boot general configurations 103 */ 104 #define CONFIG_SYS_LONGHELP 105 #define CONFIG_SYS_PROMPT "MX28EVK U-Boot > " 106 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O buffer size */ 107 #define CONFIG_SYS_PBSIZE \ 108 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) 109 /* Print buffer size */ 110 #define CONFIG_SYS_MAXARGS 32 /* Max number of command args */ 111 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 112 /* Boot argument buffer size */ 113 #define CONFIG_VERSION_VARIABLE /* U-BOOT version */ 114 #define CONFIG_AUTO_COMPLETE /* Command auto complete */ 115 #define CONFIG_CMDLINE_EDITING /* Command history etc */ 116 #define CONFIG_SYS_HUSH_PARSER 117 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> " 118 119 /* 120 * Serial Driver 121 */ 122 #define CONFIG_PL011_SERIAL 123 #define CONFIG_PL011_CLOCK 24000000 124 #define CONFIG_PL01x_PORTS { (void *)MXS_UARTDBG_BASE } 125 #define CONFIG_CONS_INDEX 0 126 #define CONFIG_BAUDRATE 115200 /* Default baud rate */ 127 #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } 128 129 /* 130 * DMA 131 */ 132 #define CONFIG_APBH_DMA 133 134 /* 135 * MMC Driver 136 */ 137 #define CONFIG_ENV_IS_IN_MMC 138 #ifdef CONFIG_ENV_IS_IN_MMC 139 #define CONFIG_ENV_OFFSET (256 * 1024) 140 #define CONFIG_ENV_SIZE (16 * 1024) 141 #define CONFIG_SYS_MMC_ENV_DEV 0 142 #endif 143 #define CONFIG_CMD_SAVEENV 144 #ifdef CONFIG_CMD_MMC 145 #define CONFIG_MMC 146 #define CONFIG_GENERIC_MMC 147 #define CONFIG_MMC_BOUNCE_BUFFER 148 #define CONFIG_MXS_MMC 149 #endif 150 151 /* 152 * NAND Driver 153 */ 154 #ifdef CONFIG_CMD_NAND 155 #define CONFIG_NAND_MXS 156 #define CONFIG_SYS_MAX_NAND_DEVICE 1 157 #define CONFIG_SYS_NAND_BASE 0x60000000 158 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 159 #endif 160 161 /* 162 * Ethernet on SOC (FEC) 163 */ 164 #ifdef CONFIG_CMD_NET 165 #define CONFIG_NET_MULTI 166 #define CONFIG_ETHPRIME "FEC0" 167 #define CONFIG_FEC_MXC 168 #define CONFIG_FEC_MXC_MULTI 169 #define CONFIG_MII 170 #define CONFIG_DISCOVER_PHY 171 #define CONFIG_FEC_XCV_TYPE RMII 172 #define CONFIG_MX28_FEC_MAC_IN_OCOTP 173 #endif 174 175 /* 176 * RTC 177 */ 178 #ifdef CONFIG_CMD_DATE 179 #define CONFIG_RTC_MXS 180 #endif 181 182 /* 183 * USB 184 */ 185 #ifdef CONFIG_CMD_USB 186 #define CONFIG_USB_EHCI 187 #define CONFIG_USB_EHCI_MXS 188 #define CONFIG_EHCI_MXS_PORT 1 189 #define CONFIG_EHCI_IS_TDI 190 #define CONFIG_USB_STORAGE 191 #endif 192 193 /* 194 * SPI 195 */ 196 #ifdef CONFIG_CMD_SPI 197 #define CONFIG_HARD_SPI 198 #define CONFIG_MXS_SPI 199 #define CONFIG_SPI_HALF_DUPLEX 200 #define CONFIG_DEFAULT_SPI_BUS 2 201 #define CONFIG_DEFAULT_SPI_MODE SPI_MODE_0 202 203 /* SPI Flash */ 204 #ifdef CONFIG_CMD_SF 205 #define CONFIG_SPI_FLASH 206 #define CONFIG_SF_DEFAULT_BUS 2 207 #define CONFIG_SF_DEFAULT_CS 0 208 /* this may vary and depends on the installed chip */ 209 #define CONFIG_SPI_FLASH_SST 210 #define CONFIG_SF_DEFAULT_MODE SPI_MODE_0 211 #define CONFIG_SF_DEFAULT_SPEED 24000000 212 213 /* (redundant) environemnt in SPI flash */ 214 #undef CONFIG_ENV_IS_IN_SPI_FLASH 215 #ifdef CONFIG_ENV_IS_IN_SPI_FLASH 216 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT 217 #define CONFIG_ENV_SIZE 0x1000 /* 4KB */ 218 #define CONFIG_ENV_OFFSET 0x40000 /* 256K */ 219 #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE) 220 #define CONFIG_ENV_SECT_SIZE 0x1000 221 #define CONFIG_ENV_SPI_CS 0 222 #define CONFIG_ENV_SPI_BUS 2 223 #define CONFIG_ENV_SPI_MAX_HZ 24000000 224 #define CONFIG_ENV_SPI_MODE SPI_MODE_0 225 #endif 226 #endif 227 #endif 228 229 /* 230 * Boot Linux 231 */ 232 #define CONFIG_CMDLINE_TAG 233 #define CONFIG_SETUP_MEMORY_TAGS 234 #define CONFIG_BOOTDELAY 3 235 #define CONFIG_BOOTFILE "uImage" 236 #define CONFIG_BOOTCOMMAND "run bootcmd_net" 237 #define CONFIG_LOADADDR 0x42000000 238 #define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR 239 #define CONFIG_OF_LIBFDT 240 241 /* 242 * Extra Environments 243 */ 244 #define CONFIG_EXTRA_ENV_SETTINGS \ 245 "console_fsl=console=ttyAM0" \ 246 "console_mainline=console=ttyAMA0" \ 247 "netargs=setenv bootargs console=${console_mainline}" \ 248 "root=/dev/nfs " \ 249 "ip=dhcp nfsroot=${serverip}:${nfsroot}\0" \ 250 "bootcmd_net=echo Booting from net ...; " \ 251 "run netargs; " \ 252 "dhcp ${uimage}; bootm\0" \ 253 254 #endif /* __CONFIG_H */ 255