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 __MX28EVK_CONFIG_H__ 20 #define __MX28EVK_CONFIG_H__ 21 22 /* SoC configurations */ 23 #define CONFIG_MX28 /* i.MX28 SoC */ 24 25 #define CONFIG_MXS_GPIO /* GPIO control */ 26 #define CONFIG_SYS_HZ 1000 /* Ticks per second */ 27 28 #define CONFIG_MACH_TYPE MACH_TYPE_MX28EVK 29 30 #include <asm/arch/regs-base.h> 31 32 #define CONFIG_SYS_NO_FLASH 33 #define CONFIG_BOARD_EARLY_INIT_F 34 #define CONFIG_ARCH_MISC_INIT 35 36 /* SPL */ 37 #define CONFIG_SPL 38 #define CONFIG_SPL_NO_CPU_SUPPORT_CODE 39 #define CONFIG_SPL_START_S_PATH "arch/arm/cpu/arm926ejs/mxs" 40 #define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds" 41 #define CONFIG_SPL_LIBCOMMON_SUPPORT 42 #define CONFIG_SPL_LIBGENERIC_SUPPORT 43 #define CONFIG_SPL_GPIO_SUPPORT 44 45 /* U-Boot Commands */ 46 #include <config_cmd_default.h> 47 #define CONFIG_DISPLAY_CPUINFO 48 #define CONFIG_DOS_PARTITION 49 50 #define CONFIG_CMD_CACHE 51 #define CONFIG_CMD_DATE 52 #define CONFIG_CMD_DHCP 53 #define CONFIG_CMD_FAT 54 #define CONFIG_CMD_GPIO 55 #define CONFIG_CMD_MII 56 #define CONFIG_CMD_MMC 57 #define CONFIG_CMD_NET 58 #define CONFIG_CMD_NFS 59 #define CONFIG_CMD_PING 60 #define CONFIG_CMD_SETEXPR 61 #define CONFIG_CMD_SF 62 #define CONFIG_CMD_SPI 63 #define CONFIG_CMD_USB 64 #define CONFIG_CMD_BOOTZ 65 66 /* Memory configurations */ 67 #define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */ 68 #define PHYS_SDRAM_1 0x40000000 /* Base address */ 69 #define PHYS_SDRAM_1_SIZE 0x40000000 /* Max 1 GB RAM */ 70 #define CONFIG_SYS_MALLOC_LEN 0x00400000 /* 4 MB for malloc */ 71 #define CONFIG_SYS_MEMTEST_START 0x40000000 /* Memtest start adr */ 72 #define CONFIG_SYS_MEMTEST_END 0x40400000 /* 4 MB RAM test */ 73 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 74 /* Point initial SP in SRAM so SPL can use it too. */ 75 76 #define CONFIG_SYS_INIT_RAM_ADDR 0x00000000 77 #define CONFIG_SYS_INIT_RAM_SIZE (128 * 1024) 78 79 #define CONFIG_SYS_INIT_SP_OFFSET \ 80 (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) 81 #define CONFIG_SYS_INIT_SP_ADDR \ 82 (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET) 83 84 /* 85 * We need to sacrifice first 4 bytes of RAM here to avoid triggering some 86 * strange BUG in ROM corrupting first 4 bytes of RAM when loading U-Boot 87 * binary. In case there was more of this mess, 0x100 bytes are skipped. 88 */ 89 #define CONFIG_SYS_TEXT_BASE 0x40000100 90 91 #define CONFIG_ENV_OVERWRITE 92 /* U-Boot general configurations */ 93 #define CONFIG_SYS_LONGHELP 94 #define CONFIG_SYS_PROMPT "MX28EVK U-Boot > " 95 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O buffer size */ 96 #define CONFIG_SYS_PBSIZE \ 97 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) 98 /* Print buffer size */ 99 #define CONFIG_SYS_MAXARGS 32 /* Max number of command args */ 100 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 101 /* Boot argument buffer size */ 102 #define CONFIG_VERSION_VARIABLE /* U-BOOT version */ 103 #define CONFIG_AUTO_COMPLETE /* Command auto complete */ 104 #define CONFIG_CMDLINE_EDITING /* Command history etc */ 105 #define CONFIG_SYS_HUSH_PARSER 106 107 /* Serial Driver */ 108 #define CONFIG_PL011_SERIAL 109 #define CONFIG_PL011_CLOCK 24000000 110 #define CONFIG_PL01x_PORTS { (void *)MXS_UARTDBG_BASE } 111 #define CONFIG_CONS_INDEX 0 112 #define CONFIG_BAUDRATE 115200 /* Default baud rate */ 113 114 /* DMA */ 115 #define CONFIG_APBH_DMA 116 117 /* MMC Driver */ 118 #define CONFIG_ENV_IS_IN_MMC 119 #ifdef CONFIG_ENV_IS_IN_MMC 120 #define CONFIG_ENV_OFFSET (256 * 1024) 121 #define CONFIG_ENV_SIZE (16 * 1024) 122 #define CONFIG_SYS_MMC_ENV_DEV 0 123 #endif 124 #define CONFIG_CMD_SAVEENV 125 #ifdef CONFIG_CMD_MMC 126 #define CONFIG_MMC 127 #define CONFIG_GENERIC_MMC 128 #define CONFIG_BOUNCE_BUFFER 129 #define CONFIG_MXS_MMC 130 #endif 131 132 /* NAND Driver */ 133 #ifdef CONFIG_CMD_NAND 134 #define CONFIG_NAND_MXS 135 #define CONFIG_SYS_MAX_NAND_DEVICE 1 136 #define CONFIG_SYS_NAND_BASE 0x60000000 137 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 138 #endif 139 140 /* Ethernet on SOC (FEC) */ 141 #ifdef CONFIG_CMD_NET 142 #define CONFIG_NET_MULTI 143 #define CONFIG_ETHPRIME "FEC0" 144 #define CONFIG_FEC_MXC 145 #define CONFIG_MII 146 #define CONFIG_FEC_XCV_TYPE RMII 147 #define CONFIG_MX28_FEC_MAC_IN_OCOTP 148 #endif 149 150 /* RTC */ 151 #ifdef CONFIG_CMD_DATE 152 #define CONFIG_RTC_MXS 153 #endif 154 155 /* USB */ 156 #ifdef CONFIG_CMD_USB 157 #define CONFIG_USB_EHCI 158 #define CONFIG_USB_EHCI_MXS 159 #define CONFIG_EHCI_MXS_PORT1 160 #define CONFIG_USB_MAX_CONTROLLER_COUNT 1 161 #define CONFIG_EHCI_IS_TDI 162 #define CONFIG_USB_STORAGE 163 #define CONFIG_USB_HOST_ETHER 164 #define CONFIG_USB_ETHER_ASIX 165 #define CONFIG_USB_ETHER_SMSC95XX 166 #endif 167 168 /* I2C */ 169 #ifdef CONFIG_CMD_I2C 170 #define CONFIG_I2C_MXS 171 #define CONFIG_HARD_I2C 172 #define CONFIG_SYS_I2C_SPEED 400000 173 #endif 174 175 /* SPI */ 176 #ifdef CONFIG_CMD_SPI 177 #define CONFIG_HARD_SPI 178 #define CONFIG_MXS_SPI 179 #define CONFIG_SPI_HALF_DUPLEX 180 #define CONFIG_DEFAULT_SPI_BUS 2 181 #define CONFIG_DEFAULT_SPI_MODE SPI_MODE_0 182 183 /* SPI Flash */ 184 #ifdef CONFIG_CMD_SF 185 #define CONFIG_SPI_FLASH 186 #define CONFIG_SF_DEFAULT_BUS 2 187 #define CONFIG_SF_DEFAULT_CS 0 188 /* this may vary and depends on the installed chip */ 189 #define CONFIG_SPI_FLASH_SST 190 #define CONFIG_SF_DEFAULT_MODE SPI_MODE_0 191 #define CONFIG_SF_DEFAULT_SPEED 24000000 192 193 /* (redundant) environemnt in SPI flash */ 194 #ifdef CONFIG_ENV_IS_IN_SPI_FLASH 195 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT 196 #define CONFIG_ENV_SIZE 0x1000 /* 4KB */ 197 #define CONFIG_ENV_OFFSET 0x40000 /* 256K */ 198 #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE) 199 #define CONFIG_ENV_SECT_SIZE 0x1000 200 #define CONFIG_ENV_SPI_CS 0 201 #define CONFIG_ENV_SPI_BUS 2 202 #define CONFIG_ENV_SPI_MAX_HZ 24000000 203 #define CONFIG_ENV_SPI_MODE SPI_MODE_0 204 #endif 205 #endif 206 #endif 207 208 /* Boot Linux */ 209 #define CONFIG_CMDLINE_TAG 210 #define CONFIG_SETUP_MEMORY_TAGS 211 #define CONFIG_BOOTDELAY 1 212 #define CONFIG_BOOTFILE "uImage" 213 #define CONFIG_LOADADDR 0x42000000 214 #define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR 215 #define CONFIG_OF_LIBFDT 216 217 /* Extra Environments */ 218 #define CONFIG_EXTRA_ENV_SETTINGS \ 219 "update_nand_full_filename=u-boot.nand\0" \ 220 "update_nand_firmware_filename=u-boot.sb\0" \ 221 "update_sd_firmware_filename=u-boot.sd\0" \ 222 "update_nand_firmware_maxsz=0x100000\0" \ 223 "update_nand_stride=0x40\0" /* MX28 datasheet ch. 12.12 */ \ 224 "update_nand_count=0x4\0" /* MX28 datasheet ch. 12.12 */ \ 225 "update_nand_get_fcb_size=" /* Get size of FCB blocks */ \ 226 "nand device 0 ; " \ 227 "nand info ; " \ 228 "setexpr fcb_sz ${update_nand_stride} * ${update_nand_count};" \ 229 "setexpr update_nand_fcb ${fcb_sz} * ${nand_writesize}\0" \ 230 "update_nand_full=" /* Update FCB, DBBT and FW */ \ 231 "if tftp ${update_nand_full_filename} ; then " \ 232 "run update_nand_get_fcb_size ; " \ 233 "nand scrub -y 0x0 ${filesize} ; " \ 234 "nand write.raw ${loadaddr} 0x0 ${fcb_sz} ; " \ 235 "setexpr update_off ${loadaddr} + ${update_nand_fcb} ; " \ 236 "setexpr update_sz ${filesize} - ${update_nand_fcb} ; " \ 237 "nand write ${update_off} ${update_nand_fcb} ${update_sz} ; " \ 238 "fi\0" \ 239 "update_nand_firmware=" /* Update only firmware */ \ 240 "if tftp ${update_nand_firmware_filename} ; then " \ 241 "run update_nand_get_fcb_size ; " \ 242 "setexpr fcb_sz ${update_nand_fcb} * 2 ; " /* FCB + DBBT */ \ 243 "setexpr fw_sz ${update_nand_firmware_maxsz} * 2 ; " \ 244 "setexpr fw_off ${fcb_sz} + ${update_nand_firmware_maxsz};" \ 245 "nand erase ${fcb_sz} ${fw_sz} ; " \ 246 "nand write ${loadaddr} ${fcb_sz} ${filesize} ; " \ 247 "nand write ${loadaddr} ${fw_off} ${filesize} ; " \ 248 "fi\0" \ 249 "update_sd_firmware=" /* Update the SD firmware partition */ \ 250 "if mmc rescan ; then " \ 251 "if tftp ${update_sd_firmware_filename} ; then " \ 252 "setexpr fw_sz ${filesize} / 0x200 ; " /* SD block size */ \ 253 "setexpr fw_sz ${fw_sz} + 1 ; " \ 254 "mmc write ${loadaddr} 0x800 ${fw_sz} ; " \ 255 "fi ; " \ 256 "fi\0" \ 257 "script=boot.scr\0" \ 258 "uimage=uImage\0" \ 259 "console_fsl=ttyAM0\0" \ 260 "console_mainline=ttyAMA0\0" \ 261 "fdt_file=imx28-evk.dtb\0" \ 262 "fdt_addr=0x41000000\0" \ 263 "boot_fdt=try\0" \ 264 "ip_dyn=yes\0" \ 265 "mmcdev=0\0" \ 266 "mmcpart=2\0" \ 267 "mmcroot=/dev/mmcblk0p3 rw rootwait\0" \ 268 "mmcargs=setenv bootargs console=${console_mainline},${baudrate} " \ 269 "root=${mmcroot}\0" \ 270 "loadbootscript=" \ 271 "fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \ 272 "bootscript=echo Running bootscript from mmc ...; " \ 273 "source\0" \ 274 "loaduimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${uimage}\0" \ 275 "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \ 276 "mmcboot=echo Booting from mmc ...; " \ 277 "run mmcargs; " \ 278 "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \ 279 "if run loadfdt; then " \ 280 "bootm ${loadaddr} - ${fdt_addr}; " \ 281 "else " \ 282 "if test ${boot_fdt} = try; then " \ 283 "bootm; " \ 284 "else " \ 285 "echo WARN: Cannot load the DT; " \ 286 "fi; " \ 287 "fi; " \ 288 "else " \ 289 "bootm; " \ 290 "fi;\0" \ 291 "netargs=setenv bootargs console=${console_mainline},${baudrate} " \ 292 "root=/dev/nfs " \ 293 "ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \ 294 "netboot=echo Booting from net ...; " \ 295 "run netargs; " \ 296 "if test ${ip_dyn} = yes; then " \ 297 "setenv get_cmd dhcp; " \ 298 "else " \ 299 "setenv get_cmd tftp; " \ 300 "fi; " \ 301 "${get_cmd} ${uimage}; " \ 302 "if test ${boot_fdt} = yes; then " \ 303 "if ${get_cmd} ${fdt_addr} ${fdt_file}; then " \ 304 "bootm ${loadaddr} - ${fdt_addr}; " \ 305 "else " \ 306 "if test ${boot_fdt} = try; then " \ 307 "bootm; " \ 308 "else " \ 309 "echo WARN: Cannot load the DT; " \ 310 "fi;" \ 311 "fi; " \ 312 "else " \ 313 "bootm; " \ 314 "fi;\0" 315 316 #define CONFIG_BOOTCOMMAND \ 317 "mmc dev ${mmcdev}; if mmc rescan; then " \ 318 "if run loadbootscript; then " \ 319 "run bootscript; " \ 320 "else " \ 321 "if run loaduimage; then " \ 322 "run mmcboot; " \ 323 "else run netboot; " \ 324 "fi; " \ 325 "fi; " \ 326 "else run netboot; fi" 327 328 #endif /* __MX28EVK_CONFIG_H__ */ 329