1 /* 2 * am335x_evm.h 3 * 4 * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/ 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License as 8 * published by the Free Software Foundation version 2. 9 * 10 * This program is distributed "as is" WITHOUT ANY WARRANTY of any 11 * kind, whether express or implied; without even the implied warranty 12 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 */ 15 16 #ifndef __CONFIG_AM335X_EVM_H 17 #define __CONFIG_AM335X_EVM_H 18 19 #define CONFIG_AM33XX 20 #define CONFIG_OMAP 21 22 #include <asm/arch/omap.h> 23 24 #define CONFIG_DMA_COHERENT 25 #define CONFIG_DMA_COHERENT_SIZE (1 << 20) 26 27 #define CONFIG_ENV_SIZE (128 << 10) /* 128 KiB */ 28 #define CONFIG_SYS_MALLOC_LEN (1024 << 10) 29 #define CONFIG_SYS_LONGHELP /* undef to save memory */ 30 #define CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */ 31 #define CONFIG_SYS_PROMPT "U-Boot# " 32 #define CONFIG_BOARD_LATE_INIT 33 #define CONFIG_SYS_NO_FLASH 34 #define MACH_TYPE_TIAM335EVM 3589 /* Until the next sync */ 35 #define CONFIG_MACH_TYPE MACH_TYPE_TIAM335EVM 36 37 #define CONFIG_OF_LIBFDT 38 #define CONFIG_CMD_BOOTZ 39 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ 40 #define CONFIG_SETUP_MEMORY_TAGS 41 #define CONFIG_INITRD_TAG 42 43 #define CONFIG_SYS_CACHELINE_SIZE 64 44 45 /* commands to include */ 46 #include <config_cmd_default.h> 47 48 #define CONFIG_CMD_ASKENV 49 #define CONFIG_VERSION_VARIABLE 50 51 /* set to negative value for no autoboot */ 52 #define CONFIG_BOOTDELAY 1 53 #define CONFIG_ENV_VARS_UBOOT_CONFIG 54 #define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG 55 #ifndef CONFIG_SPL_BUILD 56 #define CONFIG_EXTRA_ENV_SETTINGS \ 57 "loadaddr=0x80200000\0" \ 58 "fdtaddr=0x80F80000\0" \ 59 "fdt_high=0xffffffff\0" \ 60 "rdaddr=0x81000000\0" \ 61 "bootdir=/boot\0" \ 62 "bootfile=uImage\0" \ 63 "fdtfile=undefined\0" \ 64 "console=ttyO0,115200n8\0" \ 65 "optargs=\0" \ 66 "mtdids=" MTDIDS_DEFAULT "\0" \ 67 "mtdparts=" MTDPARTS_DEFAULT "\0" \ 68 "dfu_alt_info_mmc=" DFU_ALT_INFO_MMC "\0" \ 69 "dfu_alt_info_emmc=rawemmc mmc 0 3751936\0" \ 70 "dfu_alt_info_nand=" DFU_ALT_INFO_NAND "\0" \ 71 "mmcdev=0\0" \ 72 "mmcroot=/dev/mmcblk0p2 ro\0" \ 73 "mmcrootfstype=ext4 rootwait\0" \ 74 "bootpart=0:2\0" \ 75 "nandroot=ubi0:rootfs rw ubi.mtd=7,2048\0" \ 76 "nandrootfstype=ubifs rootwait=1\0" \ 77 "nandsrcaddr=0x280000\0" \ 78 "nandimgsize=0x500000\0" \ 79 "rootpath=/export/rootfs\0" \ 80 "nfsopts=nolock\0" \ 81 "static_ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}" \ 82 "::off\0" \ 83 "ramroot=/dev/ram0 rw ramdisk_size=65536 initrd=${rdaddr},64M\0" \ 84 "ramrootfstype=ext2\0" \ 85 "mmcargs=setenv bootargs console=${console} " \ 86 "${optargs} " \ 87 "root=${mmcroot} " \ 88 "rootfstype=${mmcrootfstype}\0" \ 89 "nandargs=setenv bootargs console=${console} " \ 90 "${optargs} " \ 91 "root=${nandroot} " \ 92 "rootfstype=${nandrootfstype}\0" \ 93 "spiroot=/dev/mtdblock4 rw\0" \ 94 "spirootfstype=jffs2\0" \ 95 "spisrcaddr=0xe0000\0" \ 96 "spiimgsize=0x362000\0" \ 97 "spibusno=0\0" \ 98 "spiargs=setenv bootargs console=${console} " \ 99 "${optargs} " \ 100 "root=${spiroot} " \ 101 "rootfstype=${spirootfstype}\0" \ 102 "netargs=setenv bootargs console=${console} " \ 103 "${optargs} " \ 104 "root=/dev/nfs " \ 105 "nfsroot=${serverip}:${rootpath},${nfsopts} rw " \ 106 "ip=dhcp\0" \ 107 "bootenv=uEnv.txt\0" \ 108 "loadbootenv=load mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \ 109 "importbootenv=echo Importing environment from mmc ...; " \ 110 "env import -t $loadaddr $filesize\0" \ 111 "ramargs=setenv bootargs console=${console} " \ 112 "${optargs} " \ 113 "root=${ramroot} " \ 114 "rootfstype=${ramrootfstype}\0" \ 115 "loadramdisk=load mmc ${mmcdev} ${rdaddr} ramdisk.gz\0" \ 116 "loaduimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \ 117 "loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \ 118 "mmcboot=echo Booting from mmc ...; " \ 119 "run mmcargs; " \ 120 "bootm ${loadaddr} - ${fdtaddr}\0" \ 121 "nandboot=echo Booting from nand ...; " \ 122 "run nandargs; " \ 123 "nand read ${loadaddr} ${nandsrcaddr} ${nandimgsize}; " \ 124 "bootm ${loadaddr}\0" \ 125 "spiboot=echo Booting from spi ...; " \ 126 "run spiargs; " \ 127 "sf probe ${spibusno}:0; " \ 128 "sf read ${loadaddr} ${spisrcaddr} ${spiimgsize}; " \ 129 "bootm ${loadaddr}\0" \ 130 "netboot=echo Booting from network ...; " \ 131 "setenv autoload no; " \ 132 "dhcp; " \ 133 "tftp ${loadaddr} ${bootfile}; " \ 134 "tftp ${fdtaddr} ${fdtfile}; " \ 135 "run netargs; " \ 136 "bootm ${loadaddr} - ${fdtaddr}\0" \ 137 "ramboot=echo Booting from ramdisk ...; " \ 138 "run ramargs; " \ 139 "bootm ${loadaddr} ${rdaddr} ${fdtaddr}\0" \ 140 "findfdt="\ 141 "if test $board_name = A335BONE; then " \ 142 "setenv fdtfile am335x-bone.dtb; fi; " \ 143 "if test $board_name = A335BNLT; then " \ 144 "setenv fdtfile am335x-boneblack.dtb; fi; " \ 145 "if test $board_name = A33515BB; then " \ 146 "setenv fdtfile am335x-evm.dtb; fi; " \ 147 "if test $board_name = A335X_SK; then " \ 148 "setenv fdtfile am335x-evmsk.dtb; fi " \ 149 "if test $fdtfile = undefined; then " \ 150 "echo WARNING: Could not determine device tree to use; fi; \0" 151 #endif 152 153 #define CONFIG_BOOTCOMMAND \ 154 "run findfdt; " \ 155 "mmc dev ${mmcdev}; if mmc rescan; then " \ 156 "echo SD/MMC found on device ${mmcdev};" \ 157 "if run loadbootenv; then " \ 158 "echo Loaded environment from ${bootenv};" \ 159 "run importbootenv;" \ 160 "fi;" \ 161 "if test -n $uenvcmd; then " \ 162 "echo Running uenvcmd ...;" \ 163 "run uenvcmd;" \ 164 "fi;" \ 165 "if run loaduimage; then " \ 166 "run loadfdt;" \ 167 "run mmcboot;" \ 168 "fi;" \ 169 "else " \ 170 "run nandboot;" \ 171 "fi;" \ 172 173 /* Clock Defines */ 174 #define V_OSCK 24000000 /* Clock output from T2 */ 175 #define V_SCLK (V_OSCK) 176 177 #define CONFIG_CMD_ECHO 178 179 /* We set the max number of command args high to avoid HUSH bugs. */ 180 #define CONFIG_SYS_MAXARGS 64 181 182 /* Console I/O Buffer Size */ 183 #define CONFIG_SYS_CBSIZE 512 184 185 /* Print Buffer Size */ 186 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE \ 187 + sizeof(CONFIG_SYS_PROMPT) + 16) 188 189 /* Boot Argument Buffer Size */ 190 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 191 192 /* 193 * memtest works on 8 MB in DRAM after skipping 32MB from 194 * start addr of ram disk 195 */ 196 #define CONFIG_SYS_MEMTEST_START (PHYS_DRAM_1 + (64 * 1024 * 1024)) 197 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START \ 198 + (8 * 1024 * 1024)) 199 200 #define CONFIG_SYS_LOAD_ADDR 0x81000000 /* Default load address */ 201 202 #define CONFIG_MMC 203 #define CONFIG_GENERIC_MMC 204 #define CONFIG_OMAP_HSMMC 205 #define CONFIG_CMD_MMC 206 #define CONFIG_DOS_PARTITION 207 #define CONFIG_CMD_FAT 208 #define CONFIG_FAT_WRITE 209 #define CONFIG_CMD_EXT2 210 #define CONFIG_CMD_EXT4 211 #define CONFIG_CMD_FS_GENERIC 212 213 #define CONFIG_SPI 214 #define CONFIG_OMAP3_SPI 215 #define CONFIG_MTD_DEVICE 216 #define CONFIG_SPI_FLASH 217 #define CONFIG_SPI_FLASH_WINBOND 218 #define CONFIG_CMD_SF 219 #define CONFIG_SF_DEFAULT_SPEED (24000000) 220 221 /* USB Composite download gadget - g_dnl */ 222 #define CONFIG_USB_GADGET 223 #define CONFIG_USBDOWNLOAD_GADGET 224 225 /* USB TI's IDs */ 226 #define CONFIG_USBD_HS 227 #define CONFIG_G_DNL_VENDOR_NUM 0x0403 228 #define CONFIG_G_DNL_PRODUCT_NUM 0xBD00 229 #define CONFIG_G_DNL_MANUFACTURER "Texas Instruments" 230 231 /* USB Device Firmware Update support */ 232 #define CONFIG_DFU_FUNCTION 233 #define CONFIG_DFU_MMC 234 #define CONFIG_DFU_NAND 235 #define CONFIG_CMD_DFU 236 #define DFU_ALT_INFO_MMC \ 237 "boot part 0 1;" \ 238 "rootfs part 0 2;" \ 239 "MLO fat 0 1;" \ 240 "MLO.raw mmc 100 100;" \ 241 "u-boot.img.raw mmc 300 3C0;" \ 242 "u-boot.img fat 0 1;" \ 243 "uEnv.txt fat 0 1" 244 #define DFU_ALT_INFO_NAND \ 245 "SPL part 0 1;" \ 246 "SPL.backup1 part 0 2;" \ 247 "SPL.backup2 part 0 3;" \ 248 "SPL.backup3 part 0 4;" \ 249 "u-boot part 0 5;" \ 250 "kernel part 0 7;" \ 251 "rootfs part 0 8" 252 253 /* Physical Memory Map */ 254 #define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */ 255 #define PHYS_DRAM_1 0x80000000 /* DRAM Bank #1 */ 256 #define CONFIG_MAX_RAM_BANK_SIZE (1024 << 20) /* 1GB */ 257 258 #define CONFIG_SYS_SDRAM_BASE PHYS_DRAM_1 259 #define CONFIG_SYS_INIT_SP_ADDR (NON_SECURE_SRAM_END - \ 260 GENERATED_GBL_DATA_SIZE) 261 /* Platform/Board specific defs */ 262 #define CONFIG_SYS_TIMERBASE 0x48040000 /* Use Timer2 */ 263 #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */ 264 #define CONFIG_SYS_HZ 1000 /* 1ms clock */ 265 266 /* NS16550 Configuration */ 267 #define CONFIG_SYS_NS16550 268 #define CONFIG_SYS_NS16550_SERIAL 269 #define CONFIG_SYS_NS16550_REG_SIZE (-4) 270 #define CONFIG_SYS_NS16550_CLK (48000000) 271 #define CONFIG_SYS_NS16550_COM1 0x44e09000 /* Base EVM has UART0 */ 272 #define CONFIG_SYS_NS16550_COM2 0x48022000 /* UART1 */ 273 #define CONFIG_SYS_NS16550_COM3 0x48024000 /* UART2 */ 274 #define CONFIG_SYS_NS16550_COM4 0x481a6000 /* UART3 */ 275 #define CONFIG_SYS_NS16550_COM5 0x481a8000 /* UART4 */ 276 #define CONFIG_SYS_NS16550_COM6 0x481aa000 /* UART5 */ 277 278 /* I2C Configuration */ 279 #define CONFIG_I2C 280 #define CONFIG_CMD_I2C 281 #define CONFIG_HARD_I2C 282 #define CONFIG_SYS_I2C_SPEED 100000 283 #define CONFIG_SYS_I2C_SLAVE 1 284 #define CONFIG_I2C_MULTI_BUS 285 #define CONFIG_DRIVER_OMAP24XX_I2C 286 #define CONFIG_CMD_EEPROM 287 #define CONFIG_ENV_EEPROM_IS_ON_I2C 288 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* Main EEPROM */ 289 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 290 #define CONFIG_SYS_I2C_MULTI_EEPROMS 291 292 #define CONFIG_OMAP_GPIO 293 294 #define CONFIG_BAUDRATE 115200 295 #define CONFIG_SYS_BAUDRATE_TABLE { 110, 300, 600, 1200, 2400, \ 296 4800, 9600, 14400, 19200, 28800, 38400, 56000, 57600, 115200 } 297 298 /* CPU */ 299 #define CONFIG_ARCH_CPU_INIT 300 301 #define CONFIG_ENV_OVERWRITE 1 302 #define CONFIG_SYS_CONSOLE_INFO_QUIET 303 304 #define CONFIG_ENV_IS_NOWHERE 305 306 /* Defines for SPL */ 307 #define CONFIG_SPL 308 #define CONFIG_SPL_FRAMEWORK 309 /* 310 * Place the image at the start of the ROM defined image space and leave 311 * space for SRAM scratch entries (see arch/arm/include/omap_common.h). 312 * We limit our size to the ROM-defined downloaded image area, and use the 313 * rest of the space for stack. 314 */ 315 #define CONFIG_SPL_TEXT_BASE 0x402F0500 316 #define CONFIG_SPL_MAX_SIZE (0x4030C000 - CONFIG_SPL_TEXT_BASE) 317 #define CONFIG_SPL_STACK CONFIG_SYS_INIT_SP_ADDR 318 319 #define CONFIG_SPL_BSS_START_ADDR 0x80000000 320 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */ 321 322 #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x300 /* address 0x60000 */ 323 #define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS 0x200 /* 256 KB */ 324 #define CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION 1 325 #define CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME "u-boot.img" 326 #define CONFIG_SPL_MMC_SUPPORT 327 #define CONFIG_SPL_FAT_SUPPORT 328 #define CONFIG_SPL_I2C_SUPPORT 329 330 #define CONFIG_SPL_LIBCOMMON_SUPPORT 331 #define CONFIG_SPL_LIBDISK_SUPPORT 332 #define CONFIG_SPL_LIBGENERIC_SUPPORT 333 #define CONFIG_SPL_SERIAL_SUPPORT 334 #define CONFIG_SPL_GPIO_SUPPORT 335 #define CONFIG_SPL_YMODEM_SUPPORT 336 #define CONFIG_SPL_NET_SUPPORT 337 #define CONFIG_SPL_NET_VCI_STRING "AM335x U-Boot SPL" 338 #define CONFIG_SPL_ETH_SUPPORT 339 #define CONFIG_SPL_SPI_SUPPORT 340 #define CONFIG_SPL_SPI_FLASH_SUPPORT 341 #define CONFIG_SPL_SPI_LOAD 342 #define CONFIG_SPL_SPI_BUS 0 343 #define CONFIG_SPL_SPI_CS 0 344 #define CONFIG_SYS_SPI_U_BOOT_OFFS 0x80000 345 #define CONFIG_SPL_MUSB_NEW_SUPPORT 346 #define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/am33xx/u-boot-spl.lds" 347 348 #define CONFIG_SPL_BOARD_INIT 349 #define CONFIG_SPL_NAND_AM33XX_BCH 350 #define CONFIG_SPL_NAND_SUPPORT 351 #define CONFIG_SPL_NAND_BASE 352 #define CONFIG_SPL_NAND_DRIVERS 353 #define CONFIG_SPL_NAND_ECC 354 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 355 #define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \ 356 CONFIG_SYS_NAND_PAGE_SIZE) 357 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 358 #define CONFIG_SYS_NAND_OOBSIZE 64 359 #define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024) 360 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 361 #define CONFIG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, \ 362 10, 11, 12, 13, 14, 15, 16, 17, \ 363 18, 19, 20, 21, 22, 23, 24, 25, \ 364 26, 27, 28, 29, 30, 31, 32, 33, \ 365 34, 35, 36, 37, 38, 39, 40, 41, \ 366 42, 43, 44, 45, 46, 47, 48, 49, \ 367 50, 51, 52, 53, 54, 55, 56, 57, } 368 369 #define CONFIG_SYS_NAND_ECCSIZE 512 370 #define CONFIG_SYS_NAND_ECCBYTES 14 371 372 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 373 374 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000 375 376 /* 377 * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM 378 * 64 bytes before this address should be set aside for u-boot.img's 379 * header. That is 0x800FFFC0--0x80100000 should not be used for any 380 * other needs. 381 */ 382 #define CONFIG_SYS_TEXT_BASE 0x80800000 383 #define CONFIG_SYS_SPL_MALLOC_START 0x80208000 384 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000 385 386 /* Since SPL did pll and ddr initialization for us, 387 * we don't need to do it twice. 388 */ 389 #ifndef CONFIG_SPL_BUILD 390 #define CONFIG_SKIP_LOWLEVEL_INIT 391 #endif 392 393 /* 394 * USB configuration 395 */ 396 #define CONFIG_USB_MUSB_DSPS 397 #define CONFIG_ARCH_MISC_INIT 398 #define CONFIG_MUSB_GADGET 399 #define CONFIG_MUSB_PIO_ONLY 400 #define CONFIG_MUSB_DISABLE_BULK_COMBINE_SPLIT 401 #define CONFIG_USB_GADGET_DUALSPEED 402 #define CONFIG_USB_GADGET_VBUS_DRAW 2 403 #define CONFIG_MUSB_HOST 404 #define CONFIG_AM335X_USB0 405 #define CONFIG_AM335X_USB0_MODE MUSB_PERIPHERAL 406 #define CONFIG_AM335X_USB1 407 #define CONFIG_AM335X_USB1_MODE MUSB_HOST 408 409 #ifdef CONFIG_MUSB_HOST 410 #define CONFIG_CMD_USB 411 #define CONFIG_USB_STORAGE 412 #endif 413 414 #ifdef CONFIG_MUSB_GADGET 415 #define CONFIG_USB_ETHER 416 #define CONFIG_USB_ETH_RNDIS 417 #define CONFIG_USBNET_HOST_ADDR "de:ad:be:af:00:00" 418 #endif /* CONFIG_MUSB_GADGET */ 419 420 #if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_USBETH_SUPPORT) 421 /* disable host part of MUSB in SPL */ 422 #undef CONFIG_MUSB_HOST 423 /* 424 * Disable CPSW SPL support so we fit within the 101KiB limit. 425 */ 426 #undef CONFIG_SPL_ETH_SUPPORT 427 #endif 428 429 /* 430 * Default to using SPI for environment, etc. We have multiple copies 431 * of SPL as the ROM will check these locations. 432 * 0x0 - 0x20000 : First copy of SPL 433 * 0x20000 - 0x40000 : Second copy of SPL 434 * 0x40000 - 0x60000 : Third copy of SPL 435 * 0x60000 - 0x80000 : Fourth copy of SPL 436 * 0x80000 - 0xDF000 : U-Boot 437 * 0xDF000 - 0xE0000 : U-Boot Environment 438 * 0xE0000 - 0x442000 : Linux Kernel 439 * 0x442000 - 0x800000 : Userland 440 */ 441 #if defined(CONFIG_SPI_BOOT) 442 # undef CONFIG_ENV_IS_NOWHERE 443 # define CONFIG_ENV_IS_IN_SPI_FLASH 444 # define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED 445 # define CONFIG_ENV_OFFSET (892 << 10) /* 892 KiB in */ 446 # define CONFIG_ENV_SECT_SIZE (4 << 10) /* 4 KB sectors */ 447 #endif /* SPI support */ 448 449 /* Unsupported features */ 450 #undef CONFIG_USE_IRQ 451 452 #define CONFIG_CMD_NET 453 #define CONFIG_CMD_DHCP 454 #define CONFIG_CMD_PING 455 #define CONFIG_DRIVER_TI_CPSW 456 #define CONFIG_MII 457 #define CONFIG_BOOTP_DEFAULT 458 #define CONFIG_BOOTP_DNS 459 #define CONFIG_BOOTP_DNS2 460 #define CONFIG_BOOTP_SEND_HOSTNAME 461 #define CONFIG_BOOTP_GATEWAY 462 #define CONFIG_BOOTP_SUBNETMASK 463 #define CONFIG_NET_RETRY_COUNT 10 464 #define CONFIG_NET_MULTI 465 #define CONFIG_PHY_GIGE 466 #define CONFIG_PHYLIB 467 #define CONFIG_PHY_ADDR 0 468 #define CONFIG_PHY_SMSC 469 470 #define CONFIG_NAND 471 /* NAND support */ 472 #ifdef CONFIG_NAND 473 #define CONFIG_CMD_NAND 474 #define CONFIG_CMD_MTDPARTS 475 #define MTDIDS_DEFAULT "nand0=omap2-nand.0" 476 #define MTDPARTS_DEFAULT "mtdparts=omap2-nand.0:128k(SPL)," \ 477 "128k(SPL.backup1)," \ 478 "128k(SPL.backup2)," \ 479 "128k(SPL.backup3),1920k(u-boot)," \ 480 "128k(u-boot-env),5m(kernel),-(rootfs)" 481 #define CONFIG_NAND_OMAP_GPMC 482 #define GPMC_NAND_ECC_LP_x16_LAYOUT 1 483 #define CONFIG_SYS_NAND_BASE (0x08000000) /* physical address */ 484 /* to access nand at */ 485 /* CS0 */ 486 #define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND 487 devices */ 488 #if !defined(CONFIG_SPI_BOOT) 489 #undef CONFIG_ENV_IS_NOWHERE 490 #define CONFIG_ENV_IS_IN_NAND 491 #define CONFIG_ENV_OFFSET 0x260000 /* environment starts here */ 492 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */ 493 #endif 494 #endif 495 496 #endif /* ! __CONFIG_AM335X_EVM_H */ 497