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 /* 23 * SoC configurations 24 */ 25 #define CONFIG_MX28 /* i.MX28 SoC */ 26 27 #define CONFIG_MXS_GPIO /* GPIO control */ 28 #define CONFIG_SYS_HZ 1000 /* Ticks per second */ 29 30 #define CONFIG_MACH_TYPE MACH_TYPE_MX28EVK 31 32 #include <asm/arch/regs-base.h> 33 34 #define CONFIG_SYS_NO_FLASH 35 #define CONFIG_BOARD_EARLY_INIT_F 36 #define CONFIG_ARCH_MISC_INIT 37 38 /* 39 * SPL 40 */ 41 #define CONFIG_SPL 42 #define CONFIG_SPL_NO_CPU_SUPPORT_CODE 43 #define CONFIG_SPL_START_S_PATH "arch/arm/cpu/arm926ejs/mxs" 44 #define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds" 45 #define CONFIG_SPL_LIBCOMMON_SUPPORT 46 #define CONFIG_SPL_LIBGENERIC_SUPPORT 47 #define CONFIG_SPL_GPIO_SUPPORT 48 49 /* 50 * U-Boot Commands 51 */ 52 #include <config_cmd_default.h> 53 #define CONFIG_DISPLAY_CPUINFO 54 #define CONFIG_DOS_PARTITION 55 56 #define CONFIG_CMD_CACHE 57 #define CONFIG_CMD_DATE 58 #define CONFIG_CMD_DHCP 59 #define CONFIG_CMD_FAT 60 #define CONFIG_CMD_GPIO 61 #define CONFIG_CMD_MII 62 #define CONFIG_CMD_MMC 63 #define CONFIG_CMD_NET 64 #define CONFIG_CMD_NFS 65 #define CONFIG_CMD_PING 66 #define CONFIG_CMD_SETEXPR 67 #define CONFIG_CMD_SF 68 #define CONFIG_CMD_SPI 69 #define CONFIG_CMD_USB 70 #define CONFIG_CMD_BOOTZ 71 #define CONFIG_CMD_I2C 72 73 /* 74 * Memory configurations 75 */ 76 #define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */ 77 #define PHYS_SDRAM_1 0x40000000 /* Base address */ 78 #define PHYS_SDRAM_1_SIZE 0x40000000 /* Max 1 GB RAM */ 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 117 118 /* 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 */ 126 127 /* 128 * DMA 129 */ 130 #define CONFIG_APBH_DMA 131 132 /* 133 * MMC Driver 134 */ 135 #define CONFIG_ENV_IS_IN_MMC 136 #ifdef CONFIG_ENV_IS_IN_MMC 137 #define CONFIG_ENV_OFFSET (256 * 1024) 138 #define CONFIG_ENV_SIZE (16 * 1024) 139 #define CONFIG_SYS_MMC_ENV_DEV 0 140 #endif 141 #define CONFIG_CMD_SAVEENV 142 #ifdef CONFIG_CMD_MMC 143 #define CONFIG_MMC 144 #define CONFIG_GENERIC_MMC 145 #define CONFIG_BOUNCE_BUFFER 146 #define CONFIG_MXS_MMC 147 #endif 148 149 /* 150 * NAND Driver 151 */ 152 #ifdef CONFIG_CMD_NAND 153 #define CONFIG_NAND_MXS 154 #define CONFIG_SYS_MAX_NAND_DEVICE 1 155 #define CONFIG_SYS_NAND_BASE 0x60000000 156 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 157 #endif 158 159 /* 160 * Ethernet on SOC (FEC) 161 */ 162 #ifdef CONFIG_CMD_NET 163 #define CONFIG_NET_MULTI 164 #define CONFIG_ETHPRIME "FEC0" 165 #define CONFIG_FEC_MXC 166 #define CONFIG_FEC_MXC_MULTI 167 #define CONFIG_MII 168 #define CONFIG_FEC_XCV_TYPE RMII 169 #define CONFIG_MX28_FEC_MAC_IN_OCOTP 170 #endif 171 172 /* 173 * RTC 174 */ 175 #ifdef CONFIG_CMD_DATE 176 #define CONFIG_RTC_MXS 177 #endif 178 179 /* 180 * USB 181 */ 182 #ifdef CONFIG_CMD_USB 183 #define CONFIG_USB_EHCI 184 #define CONFIG_USB_EHCI_MXS 185 #define CONFIG_EHCI_MXS_PORT 1 186 #define CONFIG_EHCI_IS_TDI 187 #define CONFIG_USB_STORAGE 188 #define CONFIG_USB_HOST_ETHER 189 #define CONFIG_USB_ETHER_ASIX 190 #define CONFIG_USB_ETHER_SMSC95XX 191 #endif 192 193 /* I2C */ 194 #ifdef CONFIG_CMD_I2C 195 #define CONFIG_I2C_MXS 196 #define CONFIG_HARD_I2C 197 #define CONFIG_SYS_I2C_SPEED 400000 198 #endif 199 200 /* 201 * SPI 202 */ 203 #ifdef CONFIG_CMD_SPI 204 #define CONFIG_HARD_SPI 205 #define CONFIG_MXS_SPI 206 #define CONFIG_MXS_SPI_DMA_ENABLE 207 #define CONFIG_SPI_HALF_DUPLEX 208 #define CONFIG_DEFAULT_SPI_BUS 2 209 #define CONFIG_DEFAULT_SPI_MODE SPI_MODE_0 210 211 /* SPI Flash */ 212 #ifdef CONFIG_CMD_SF 213 #define CONFIG_SPI_FLASH 214 #define CONFIG_SF_DEFAULT_BUS 2 215 #define CONFIG_SF_DEFAULT_CS 0 216 /* this may vary and depends on the installed chip */ 217 #define CONFIG_SPI_FLASH_SST 218 #define CONFIG_SF_DEFAULT_MODE SPI_MODE_0 219 #define CONFIG_SF_DEFAULT_SPEED 24000000 220 221 /* (redundant) environemnt in SPI flash */ 222 #ifdef CONFIG_ENV_IS_IN_SPI_FLASH 223 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT 224 #define CONFIG_ENV_SIZE 0x1000 /* 4KB */ 225 #define CONFIG_ENV_OFFSET 0x40000 /* 256K */ 226 #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE) 227 #define CONFIG_ENV_SECT_SIZE 0x1000 228 #define CONFIG_ENV_SPI_CS 0 229 #define CONFIG_ENV_SPI_BUS 2 230 #define CONFIG_ENV_SPI_MAX_HZ 24000000 231 #define CONFIG_ENV_SPI_MODE SPI_MODE_0 232 #endif 233 #endif 234 #endif 235 236 /* 237 * Boot Linux 238 */ 239 #define CONFIG_CMDLINE_TAG 240 #define CONFIG_SETUP_MEMORY_TAGS 241 #define CONFIG_BOOTDELAY 1 242 #define CONFIG_BOOTFILE "uImage" 243 #define CONFIG_LOADADDR 0x42000000 244 #define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR 245 #define CONFIG_OF_LIBFDT 246 247 /* 248 * Extra Environments 249 */ 250 #define CONFIG_EXTRA_ENV_SETTINGS \ 251 "update_nand_full_filename=u-boot.nand\0" \ 252 "update_nand_firmware_filename=u-boot.sb\0" \ 253 "update_sd_firmware_filename=u-boot.sd\0" \ 254 "update_nand_firmware_maxsz=0x100000\0" \ 255 "update_nand_stride=0x40\0" /* MX28 datasheet ch. 12.12 */ \ 256 "update_nand_count=0x4\0" /* MX28 datasheet ch. 12.12 */ \ 257 "update_nand_get_fcb_size=" /* Get size of FCB blocks */ \ 258 "nand device 0 ; " \ 259 "nand info ; " \ 260 "setexpr fcb_sz ${update_nand_stride} * ${update_nand_count};" \ 261 "setexpr update_nand_fcb ${fcb_sz} * ${nand_writesize}\0" \ 262 "update_nand_full=" /* Update FCB, DBBT and FW */ \ 263 "if tftp ${update_nand_full_filename} ; then " \ 264 "run update_nand_get_fcb_size ; " \ 265 "nand scrub -y 0x0 ${filesize} ; " \ 266 "nand write.raw ${loadaddr} 0x0 ${fcb_sz} ; " \ 267 "setexpr update_off ${loadaddr} + ${update_nand_fcb} ; " \ 268 "setexpr update_sz ${filesize} - ${update_nand_fcb} ; " \ 269 "nand write ${update_off} ${update_nand_fcb} ${update_sz} ; " \ 270 "fi\0" \ 271 "update_nand_firmware=" /* Update only firmware */ \ 272 "if tftp ${update_nand_firmware_filename} ; then " \ 273 "run update_nand_get_fcb_size ; " \ 274 "setexpr fcb_sz ${update_nand_fcb} * 2 ; " /* FCB + DBBT */ \ 275 "setexpr fw_sz ${update_nand_firmware_maxsz} * 2 ; " \ 276 "setexpr fw_off ${fcb_sz} + ${update_nand_firmware_maxsz};" \ 277 "nand erase ${fcb_sz} ${fw_sz} ; " \ 278 "nand write ${loadaddr} ${fcb_sz} ${filesize} ; " \ 279 "nand write ${loadaddr} ${fw_off} ${filesize} ; " \ 280 "fi\0" \ 281 "update_sd_firmware=" /* Update the SD firmware partition */ \ 282 "if mmc rescan ; then " \ 283 "if tftp ${update_sd_firmware_filename} ; then " \ 284 "setexpr fw_sz ${filesize} / 0x200 ; " /* SD block size */ \ 285 "setexpr fw_sz ${fw_sz} + 1 ; " \ 286 "mmc write ${loadaddr} 0x800 ${fw_sz} ; " \ 287 "fi ; " \ 288 "fi\0" \ 289 "script=boot.scr\0" \ 290 "uimage=uImage\0" \ 291 "console_fsl=ttyAM0\0" \ 292 "console_mainline=ttyAMA0\0" \ 293 "fdt_file=imx28-evk.dtb\0" \ 294 "fdt_addr=0x41000000\0" \ 295 "boot_fdt=try\0" \ 296 "ip_dyn=yes\0" \ 297 "mmcdev=0\0" \ 298 "mmcpart=2\0" \ 299 "mmcroot=/dev/mmcblk0p3 rw rootwait\0" \ 300 "mmcargs=setenv bootargs console=${console_mainline},${baudrate} " \ 301 "root=${mmcroot}\0" \ 302 "loadbootscript=" \ 303 "fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \ 304 "bootscript=echo Running bootscript from mmc ...; " \ 305 "source\0" \ 306 "loaduimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${uimage}\0" \ 307 "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \ 308 "mmcboot=echo Booting from mmc ...; " \ 309 "run mmcargs; " \ 310 "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \ 311 "if run loadfdt; then " \ 312 "bootm ${loadaddr} - ${fdt_addr}; " \ 313 "else " \ 314 "if test ${boot_fdt} = try; then " \ 315 "bootm; " \ 316 "else " \ 317 "echo WARN: Cannot load the DT; " \ 318 "fi; " \ 319 "fi; " \ 320 "else " \ 321 "bootm; " \ 322 "fi;\0" \ 323 "netargs=setenv bootargs console=${console_mainline},${baudrate} " \ 324 "root=/dev/nfs " \ 325 "ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \ 326 "netboot=echo Booting from net ...; " \ 327 "run netargs; " \ 328 "if test ${ip_dyn} = yes; then " \ 329 "setenv get_cmd dhcp; " \ 330 "else " \ 331 "setenv get_cmd tftp; " \ 332 "fi; " \ 333 "${get_cmd} ${uimage}; " \ 334 "if test ${boot_fdt} = yes; then " \ 335 "if ${get_cmd} ${fdt_addr} ${fdt_file}; then " \ 336 "bootm ${loadaddr} - ${fdt_addr}; " \ 337 "else " \ 338 "if test ${boot_fdt} = try; then " \ 339 "bootm; " \ 340 "else " \ 341 "echo WARN: Cannot load the DT; " \ 342 "fi;" \ 343 "fi; " \ 344 "else " \ 345 "bootm; " \ 346 "fi;\0" 347 348 #define CONFIG_BOOTCOMMAND \ 349 "mmc dev ${mmcdev}; if mmc rescan; then " \ 350 "if run loadbootscript; then " \ 351 "run bootscript; " \ 352 "else " \ 353 "if run loaduimage; then " \ 354 "run mmcboot; " \ 355 "else run netboot; " \ 356 "fi; " \ 357 "fi; " \ 358 "else run netboot; fi" 359 360 #endif /* __MX28EVK_CONFIG_H__ */ 361