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 #define CONFIG_CMD_I2C 66 67 /* Memory configurations */ 68 #define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */ 69 #define PHYS_SDRAM_1 0x40000000 /* Base address */ 70 #define PHYS_SDRAM_1_SIZE 0x40000000 /* Max 1 GB RAM */ 71 #define CONFIG_SYS_MALLOC_LEN 0x00400000 /* 4 MB for malloc */ 72 #define CONFIG_SYS_MEMTEST_START 0x40000000 /* Memtest start adr */ 73 #define CONFIG_SYS_MEMTEST_END 0x40400000 /* 4 MB RAM test */ 74 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 75 /* Point initial SP in SRAM so SPL can use it too. */ 76 77 #define CONFIG_SYS_INIT_RAM_ADDR 0x00000000 78 #define CONFIG_SYS_INIT_RAM_SIZE (128 * 1024) 79 80 #define CONFIG_SYS_INIT_SP_OFFSET \ 81 (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) 82 #define CONFIG_SYS_INIT_SP_ADDR \ 83 (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET) 84 85 /* 86 * We need to sacrifice first 4 bytes of RAM here to avoid triggering some 87 * strange BUG in ROM corrupting first 4 bytes of RAM when loading U-Boot 88 * binary. In case there was more of this mess, 0x100 bytes are skipped. 89 */ 90 #define CONFIG_SYS_TEXT_BASE 0x40000100 91 92 #define CONFIG_ENV_OVERWRITE 93 /* U-Boot general configurations */ 94 #define CONFIG_SYS_LONGHELP 95 #define CONFIG_SYS_PROMPT "MX28EVK U-Boot > " 96 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O buffer size */ 97 #define CONFIG_SYS_PBSIZE \ 98 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) 99 /* Print buffer size */ 100 #define CONFIG_SYS_MAXARGS 32 /* Max number of command args */ 101 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 102 /* Boot argument buffer size */ 103 #define CONFIG_VERSION_VARIABLE /* U-BOOT version */ 104 #define CONFIG_AUTO_COMPLETE /* Command auto complete */ 105 #define CONFIG_CMDLINE_EDITING /* Command history etc */ 106 #define CONFIG_SYS_HUSH_PARSER 107 108 /* Serial Driver */ 109 #define CONFIG_PL011_SERIAL 110 #define CONFIG_PL011_CLOCK 24000000 111 #define CONFIG_PL01x_PORTS { (void *)MXS_UARTDBG_BASE } 112 #define CONFIG_CONS_INDEX 0 113 #define CONFIG_BAUDRATE 115200 /* Default baud rate */ 114 115 /* DMA */ 116 #define CONFIG_APBH_DMA 117 118 /* MMC Driver */ 119 #define CONFIG_ENV_IS_IN_MMC 120 #ifdef CONFIG_ENV_IS_IN_MMC 121 #define CONFIG_ENV_OFFSET (256 * 1024) 122 #define CONFIG_ENV_SIZE (16 * 1024) 123 #define CONFIG_SYS_MMC_ENV_DEV 0 124 #endif 125 #define CONFIG_CMD_SAVEENV 126 #ifdef CONFIG_CMD_MMC 127 #define CONFIG_MMC 128 #define CONFIG_GENERIC_MMC 129 #define CONFIG_BOUNCE_BUFFER 130 #define CONFIG_MXS_MMC 131 #endif 132 133 /* NAND Driver */ 134 #ifdef CONFIG_CMD_NAND 135 #define CONFIG_NAND_MXS 136 #define CONFIG_SYS_MAX_NAND_DEVICE 1 137 #define CONFIG_SYS_NAND_BASE 0x60000000 138 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 139 #endif 140 141 /* Ethernet on SOC (FEC) */ 142 #ifdef CONFIG_CMD_NET 143 #define CONFIG_NET_MULTI 144 #define CONFIG_ETHPRIME "FEC0" 145 #define CONFIG_FEC_MXC 146 #define CONFIG_MII 147 #define CONFIG_FEC_XCV_TYPE RMII 148 #define CONFIG_MX28_FEC_MAC_IN_OCOTP 149 #endif 150 151 /* RTC */ 152 #ifdef CONFIG_CMD_DATE 153 #define CONFIG_RTC_MXS 154 #endif 155 156 /* USB */ 157 #ifdef CONFIG_CMD_USB 158 #define CONFIG_USB_EHCI 159 #define CONFIG_USB_EHCI_MXS 160 #define CONFIG_EHCI_MXS_PORT1 161 #define CONFIG_USB_MAX_CONTROLLER_COUNT 1 162 #define CONFIG_EHCI_IS_TDI 163 #define CONFIG_USB_STORAGE 164 #define CONFIG_USB_HOST_ETHER 165 #define CONFIG_USB_ETHER_ASIX 166 #define CONFIG_USB_ETHER_SMSC95XX 167 #endif 168 169 /* I2C */ 170 #ifdef CONFIG_CMD_I2C 171 #define CONFIG_I2C_MXS 172 #define CONFIG_HARD_I2C 173 #define CONFIG_SYS_I2C_SPEED 400000 174 #endif 175 176 /* SPI */ 177 #ifdef CONFIG_CMD_SPI 178 #define CONFIG_HARD_SPI 179 #define CONFIG_MXS_SPI 180 #define CONFIG_SPI_HALF_DUPLEX 181 #define CONFIG_DEFAULT_SPI_BUS 2 182 #define CONFIG_DEFAULT_SPI_MODE SPI_MODE_0 183 184 /* SPI Flash */ 185 #ifdef CONFIG_CMD_SF 186 #define CONFIG_SPI_FLASH 187 #define CONFIG_SF_DEFAULT_BUS 2 188 #define CONFIG_SF_DEFAULT_CS 0 189 /* this may vary and depends on the installed chip */ 190 #define CONFIG_SPI_FLASH_SST 191 #define CONFIG_SF_DEFAULT_MODE SPI_MODE_0 192 #define CONFIG_SF_DEFAULT_SPEED 24000000 193 194 /* (redundant) environemnt in SPI flash */ 195 #ifdef CONFIG_ENV_IS_IN_SPI_FLASH 196 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT 197 #define CONFIG_ENV_SIZE 0x1000 /* 4KB */ 198 #define CONFIG_ENV_OFFSET 0x40000 /* 256K */ 199 #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE) 200 #define CONFIG_ENV_SECT_SIZE 0x1000 201 #define CONFIG_ENV_SPI_CS 0 202 #define CONFIG_ENV_SPI_BUS 2 203 #define CONFIG_ENV_SPI_MAX_HZ 24000000 204 #define CONFIG_ENV_SPI_MODE SPI_MODE_0 205 #endif 206 #endif 207 #endif 208 209 /* Boot Linux */ 210 #define CONFIG_CMDLINE_TAG 211 #define CONFIG_SETUP_MEMORY_TAGS 212 #define CONFIG_BOOTDELAY 1 213 #define CONFIG_BOOTFILE "uImage" 214 #define CONFIG_LOADADDR 0x42000000 215 #define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR 216 #define CONFIG_OF_LIBFDT 217 218 /* Extra Environments */ 219 #define CONFIG_EXTRA_ENV_SETTINGS \ 220 "update_nand_full_filename=u-boot.nand\0" \ 221 "update_nand_firmware_filename=u-boot.sb\0" \ 222 "update_sd_firmware_filename=u-boot.sd\0" \ 223 "update_nand_firmware_maxsz=0x100000\0" \ 224 "update_nand_stride=0x40\0" /* MX28 datasheet ch. 12.12 */ \ 225 "update_nand_count=0x4\0" /* MX28 datasheet ch. 12.12 */ \ 226 "update_nand_get_fcb_size=" /* Get size of FCB blocks */ \ 227 "nand device 0 ; " \ 228 "nand info ; " \ 229 "setexpr fcb_sz ${update_nand_stride} * ${update_nand_count};" \ 230 "setexpr update_nand_fcb ${fcb_sz} * ${nand_writesize}\0" \ 231 "update_nand_full=" /* Update FCB, DBBT and FW */ \ 232 "if tftp ${update_nand_full_filename} ; then " \ 233 "run update_nand_get_fcb_size ; " \ 234 "nand scrub -y 0x0 ${filesize} ; " \ 235 "nand write.raw ${loadaddr} 0x0 ${fcb_sz} ; " \ 236 "setexpr update_off ${loadaddr} + ${update_nand_fcb} ; " \ 237 "setexpr update_sz ${filesize} - ${update_nand_fcb} ; " \ 238 "nand write ${update_off} ${update_nand_fcb} ${update_sz} ; " \ 239 "fi\0" \ 240 "update_nand_firmware=" /* Update only firmware */ \ 241 "if tftp ${update_nand_firmware_filename} ; then " \ 242 "run update_nand_get_fcb_size ; " \ 243 "setexpr fcb_sz ${update_nand_fcb} * 2 ; " /* FCB + DBBT */ \ 244 "setexpr fw_sz ${update_nand_firmware_maxsz} * 2 ; " \ 245 "setexpr fw_off ${fcb_sz} + ${update_nand_firmware_maxsz};" \ 246 "nand erase ${fcb_sz} ${fw_sz} ; " \ 247 "nand write ${loadaddr} ${fcb_sz} ${filesize} ; " \ 248 "nand write ${loadaddr} ${fw_off} ${filesize} ; " \ 249 "fi\0" \ 250 "update_sd_firmware=" /* Update the SD firmware partition */ \ 251 "if mmc rescan ; then " \ 252 "if tftp ${update_sd_firmware_filename} ; then " \ 253 "setexpr fw_sz ${filesize} / 0x200 ; " /* SD block size */ \ 254 "setexpr fw_sz ${fw_sz} + 1 ; " \ 255 "mmc write ${loadaddr} 0x800 ${fw_sz} ; " \ 256 "fi ; " \ 257 "fi\0" \ 258 "script=boot.scr\0" \ 259 "uimage=uImage\0" \ 260 "console_fsl=ttyAM0\0" \ 261 "console_mainline=ttyAMA0\0" \ 262 "fdt_file=imx28-evk.dtb\0" \ 263 "fdt_addr=0x41000000\0" \ 264 "boot_fdt=try\0" \ 265 "ip_dyn=yes\0" \ 266 "mmcdev=0\0" \ 267 "mmcpart=2\0" \ 268 "mmcroot=/dev/mmcblk0p3 rw rootwait\0" \ 269 "mmcargs=setenv bootargs console=${console_mainline},${baudrate} " \ 270 "root=${mmcroot}\0" \ 271 "loadbootscript=" \ 272 "fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \ 273 "bootscript=echo Running bootscript from mmc ...; " \ 274 "source\0" \ 275 "loaduimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${uimage}\0" \ 276 "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \ 277 "mmcboot=echo Booting from mmc ...; " \ 278 "run mmcargs; " \ 279 "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \ 280 "if run loadfdt; then " \ 281 "bootm ${loadaddr} - ${fdt_addr}; " \ 282 "else " \ 283 "if test ${boot_fdt} = try; then " \ 284 "bootm; " \ 285 "else " \ 286 "echo WARN: Cannot load the DT; " \ 287 "fi; " \ 288 "fi; " \ 289 "else " \ 290 "bootm; " \ 291 "fi;\0" \ 292 "netargs=setenv bootargs console=${console_mainline},${baudrate} " \ 293 "root=/dev/nfs " \ 294 "ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \ 295 "netboot=echo Booting from net ...; " \ 296 "run netargs; " \ 297 "if test ${ip_dyn} = yes; then " \ 298 "setenv get_cmd dhcp; " \ 299 "else " \ 300 "setenv get_cmd tftp; " \ 301 "fi; " \ 302 "${get_cmd} ${uimage}; " \ 303 "if test ${boot_fdt} = yes; then " \ 304 "if ${get_cmd} ${fdt_addr} ${fdt_file}; then " \ 305 "bootm ${loadaddr} - ${fdt_addr}; " \ 306 "else " \ 307 "if test ${boot_fdt} = try; then " \ 308 "bootm; " \ 309 "else " \ 310 "echo WARN: Cannot load the DT; " \ 311 "fi;" \ 312 "fi; " \ 313 "else " \ 314 "bootm; " \ 315 "fi;\0" 316 317 #define CONFIG_BOOTCOMMAND \ 318 "mmc dev ${mmcdev}; if mmc rescan; then " \ 319 "if run loadbootscript; then " \ 320 "run bootscript; " \ 321 "else " \ 322 "if run loaduimage; then " \ 323 "run mmcboot; " \ 324 "else run netboot; " \ 325 "fi; " \ 326 "fi; " \ 327 "else run netboot; fi" 328 329 #endif /* __MX28EVK_CONFIG_H__ */ 330