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=\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\0" \ 149 150 #endif 151 152 #define CONFIG_BOOTCOMMAND \ 153 "run findfdt; " \ 154 "mmc dev ${mmcdev}; if mmc rescan; then " \ 155 "echo SD/MMC found on device ${mmcdev};" \ 156 "if run loadbootenv; then " \ 157 "echo Loaded environment from ${bootenv};" \ 158 "run importbootenv;" \ 159 "fi;" \ 160 "if test -n $uenvcmd; then " \ 161 "echo Running uenvcmd ...;" \ 162 "run uenvcmd;" \ 163 "fi;" \ 164 "if run loaduimage; then " \ 165 "run loadfdt;" \ 166 "run mmcboot;" \ 167 "fi;" \ 168 "else " \ 169 "run nandboot;" \ 170 "fi;" \ 171 172 /* Clock Defines */ 173 #define V_OSCK 24000000 /* Clock output from T2 */ 174 #define V_SCLK (V_OSCK) 175 176 #define CONFIG_CMD_ECHO 177 178 /* We set the max number of command args high to avoid HUSH bugs. */ 179 #define CONFIG_SYS_MAXARGS 64 180 181 /* Console I/O Buffer Size */ 182 #define CONFIG_SYS_CBSIZE 512 183 184 /* Print Buffer Size */ 185 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE \ 186 + sizeof(CONFIG_SYS_PROMPT) + 16) 187 188 /* Boot Argument Buffer Size */ 189 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 190 191 /* 192 * memtest works on 8 MB in DRAM after skipping 32MB from 193 * start addr of ram disk 194 */ 195 #define CONFIG_SYS_MEMTEST_START (PHYS_DRAM_1 + (64 * 1024 * 1024)) 196 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START \ 197 + (8 * 1024 * 1024)) 198 199 #define CONFIG_SYS_LOAD_ADDR 0x81000000 /* Default load address */ 200 201 #define CONFIG_MMC 202 #define CONFIG_GENERIC_MMC 203 #define CONFIG_OMAP_HSMMC 204 #define CONFIG_CMD_MMC 205 #define CONFIG_DOS_PARTITION 206 #define CONFIG_CMD_FAT 207 #define CONFIG_FAT_WRITE 208 #define CONFIG_CMD_EXT2 209 #define CONFIG_CMD_EXT4 210 #define CONFIG_CMD_FS_GENERIC 211 212 #define CONFIG_SPI 213 #define CONFIG_OMAP3_SPI 214 #define CONFIG_MTD_DEVICE 215 #define CONFIG_SPI_FLASH 216 #define CONFIG_SPI_FLASH_WINBOND 217 #define CONFIG_CMD_SF 218 #define CONFIG_SF_DEFAULT_SPEED (24000000) 219 220 /* USB Composite download gadget - g_dnl */ 221 #define CONFIG_USB_GADGET 222 #define CONFIG_USBDOWNLOAD_GADGET 223 224 /* USB TI's IDs */ 225 #define CONFIG_USBD_HS 226 #define CONFIG_G_DNL_VENDOR_NUM 0x0403 227 #define CONFIG_G_DNL_PRODUCT_NUM 0xBD00 228 #define CONFIG_G_DNL_MANUFACTURER "Texas Instruments" 229 230 /* USB Device Firmware Update support */ 231 #define CONFIG_DFU_FUNCTION 232 #define CONFIG_DFU_MMC 233 #define CONFIG_DFU_NAND 234 #define CONFIG_CMD_DFU 235 #define DFU_ALT_INFO_MMC \ 236 "boot part 0 1;" \ 237 "rootfs part 0 2;" \ 238 "MLO fat 0 1;" \ 239 "MLO.raw mmc 100 100;" \ 240 "u-boot.img.raw mmc 300 3C0;" \ 241 "u-boot.img fat 0 1;" \ 242 "uEnv.txt fat 0 1" 243 #define DFU_ALT_INFO_NAND \ 244 "SPL part 0 1;" \ 245 "SPL.backup1 part 0 2;" \ 246 "SPL.backup2 part 0 3;" \ 247 "SPL.backup3 part 0 4;" \ 248 "u-boot part 0 5;" \ 249 "kernel part 0 7;" \ 250 "rootfs part 0 8" 251 252 /* Physical Memory Map */ 253 #define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */ 254 #define PHYS_DRAM_1 0x80000000 /* DRAM Bank #1 */ 255 #define CONFIG_MAX_RAM_BANK_SIZE (1024 << 20) /* 1GB */ 256 257 #define CONFIG_SYS_SDRAM_BASE PHYS_DRAM_1 258 #define CONFIG_SYS_INIT_SP_ADDR (NON_SECURE_SRAM_END - \ 259 GENERATED_GBL_DATA_SIZE) 260 /* Platform/Board specific defs */ 261 #define CONFIG_SYS_TIMERBASE 0x48040000 /* Use Timer2 */ 262 #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */ 263 #define CONFIG_SYS_HZ 1000 /* 1ms clock */ 264 265 /* NS16550 Configuration */ 266 #define CONFIG_SYS_NS16550 267 #define CONFIG_SYS_NS16550_SERIAL 268 #define CONFIG_SYS_NS16550_REG_SIZE (-4) 269 #define CONFIG_SYS_NS16550_CLK (48000000) 270 #define CONFIG_SYS_NS16550_COM1 0x44e09000 /* Base EVM has UART0 */ 271 #define CONFIG_SYS_NS16550_COM2 0x48022000 /* UART1 */ 272 #define CONFIG_SYS_NS16550_COM3 0x48024000 /* UART2 */ 273 #define CONFIG_SYS_NS16550_COM4 0x481a6000 /* UART3 */ 274 #define CONFIG_SYS_NS16550_COM5 0x481a8000 /* UART4 */ 275 #define CONFIG_SYS_NS16550_COM6 0x481aa000 /* UART5 */ 276 277 /* I2C Configuration */ 278 #define CONFIG_I2C 279 #define CONFIG_CMD_I2C 280 #define CONFIG_HARD_I2C 281 #define CONFIG_SYS_I2C_SPEED 100000 282 #define CONFIG_SYS_I2C_SLAVE 1 283 #define CONFIG_I2C_MULTI_BUS 284 #define CONFIG_DRIVER_OMAP24XX_I2C 285 #define CONFIG_CMD_EEPROM 286 #define CONFIG_ENV_EEPROM_IS_ON_I2C 287 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* Main EEPROM */ 288 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 289 #define CONFIG_SYS_I2C_MULTI_EEPROMS 290 291 #define CONFIG_OMAP_GPIO 292 293 #define CONFIG_BAUDRATE 115200 294 #define CONFIG_SYS_BAUDRATE_TABLE { 110, 300, 600, 1200, 2400, \ 295 4800, 9600, 14400, 19200, 28800, 38400, 56000, 57600, 115200 } 296 297 /* CPU */ 298 #define CONFIG_ARCH_CPU_INIT 299 300 #define CONFIG_ENV_OVERWRITE 1 301 #define CONFIG_SYS_CONSOLE_INFO_QUIET 302 303 #define CONFIG_ENV_IS_NOWHERE 304 305 /* Defines for SPL */ 306 #define CONFIG_SPL 307 #define CONFIG_SPL_FRAMEWORK 308 #define CONFIG_SPL_TEXT_BASE 0x402F0400 309 #define CONFIG_SPL_MAX_SIZE (101 * 1024) 310 #define CONFIG_SPL_STACK CONFIG_SYS_INIT_SP_ADDR 311 312 #define CONFIG_SPL_BSS_START_ADDR 0x80000000 313 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */ 314 315 #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x300 /* address 0x60000 */ 316 #define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS 0x200 /* 256 KB */ 317 #define CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION 1 318 #define CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME "u-boot.img" 319 #define CONFIG_SPL_MMC_SUPPORT 320 #define CONFIG_SPL_FAT_SUPPORT 321 #define CONFIG_SPL_I2C_SUPPORT 322 323 #define CONFIG_SPL_LIBCOMMON_SUPPORT 324 #define CONFIG_SPL_LIBDISK_SUPPORT 325 #define CONFIG_SPL_LIBGENERIC_SUPPORT 326 #define CONFIG_SPL_SERIAL_SUPPORT 327 #define CONFIG_SPL_GPIO_SUPPORT 328 #define CONFIG_SPL_YMODEM_SUPPORT 329 #define CONFIG_SPL_NET_SUPPORT 330 #define CONFIG_SPL_NET_VCI_STRING "AM335x U-Boot SPL" 331 #define CONFIG_SPL_ETH_SUPPORT 332 #define CONFIG_SPL_SPI_SUPPORT 333 #define CONFIG_SPL_SPI_FLASH_SUPPORT 334 #define CONFIG_SPL_SPI_LOAD 335 #define CONFIG_SPL_SPI_BUS 0 336 #define CONFIG_SPL_SPI_CS 0 337 #define CONFIG_SYS_SPI_U_BOOT_OFFS 0x80000 338 #define CONFIG_SPL_MUSB_NEW_SUPPORT 339 #define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/am33xx/u-boot-spl.lds" 340 341 #define CONFIG_SPL_BOARD_INIT 342 #define CONFIG_SPL_NAND_AM33XX_BCH 343 #define CONFIG_SPL_NAND_SUPPORT 344 #define CONFIG_SPL_NAND_BASE 345 #define CONFIG_SPL_NAND_DRIVERS 346 #define CONFIG_SPL_NAND_ECC 347 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 348 #define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \ 349 CONFIG_SYS_NAND_PAGE_SIZE) 350 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 351 #define CONFIG_SYS_NAND_OOBSIZE 64 352 #define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024) 353 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 354 #define CONFIG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, \ 355 10, 11, 12, 13, 14, 15, 16, 17, \ 356 18, 19, 20, 21, 22, 23, 24, 25, \ 357 26, 27, 28, 29, 30, 31, 32, 33, \ 358 34, 35, 36, 37, 38, 39, 40, 41, \ 359 42, 43, 44, 45, 46, 47, 48, 49, \ 360 50, 51, 52, 53, 54, 55, 56, 57, } 361 362 #define CONFIG_SYS_NAND_ECCSIZE 512 363 #define CONFIG_SYS_NAND_ECCBYTES 14 364 365 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 366 367 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000 368 369 /* 370 * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM 371 * 64 bytes before this address should be set aside for u-boot.img's 372 * header. That is 0x800FFFC0--0x80100000 should not be used for any 373 * other needs. 374 */ 375 #define CONFIG_SYS_TEXT_BASE 0x80800000 376 #define CONFIG_SYS_SPL_MALLOC_START 0x80208000 377 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000 378 379 /* Since SPL did pll and ddr initialization for us, 380 * we don't need to do it twice. 381 */ 382 #ifndef CONFIG_SPL_BUILD 383 #define CONFIG_SKIP_LOWLEVEL_INIT 384 #endif 385 386 /* 387 * USB configuration 388 */ 389 #define CONFIG_USB_MUSB_DSPS 390 #define CONFIG_ARCH_MISC_INIT 391 #define CONFIG_MUSB_GADGET 392 #define CONFIG_MUSB_PIO_ONLY 393 #define CONFIG_MUSB_DISABLE_BULK_COMBINE_SPLIT 394 #define CONFIG_USB_GADGET_DUALSPEED 395 #define CONFIG_USB_GADGET_VBUS_DRAW 2 396 #define CONFIG_MUSB_HOST 397 #define CONFIG_AM335X_USB0 398 #define CONFIG_AM335X_USB0_MODE MUSB_PERIPHERAL 399 #define CONFIG_AM335X_USB1 400 #define CONFIG_AM335X_USB1_MODE MUSB_HOST 401 402 #ifdef CONFIG_MUSB_HOST 403 #define CONFIG_CMD_USB 404 #define CONFIG_USB_STORAGE 405 #endif 406 407 #ifdef CONFIG_MUSB_GADGET 408 #define CONFIG_USB_ETHER 409 #define CONFIG_USB_ETH_RNDIS 410 #define CONFIG_USBNET_HOST_ADDR "de:ad:be:af:00:00" 411 #endif /* CONFIG_MUSB_GADGET */ 412 413 #if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_USBETH_SUPPORT) 414 /* disable host part of MUSB in SPL */ 415 #undef CONFIG_MUSB_HOST 416 /* 417 * Disable CPSW SPL support so we fit within the 101KiB limit. 418 */ 419 #undef CONFIG_SPL_ETH_SUPPORT 420 #endif 421 422 /* 423 * Default to using SPI for environment, etc. We have multiple copies 424 * of SPL as the ROM will check these locations. 425 * 0x0 - 0x20000 : First copy of SPL 426 * 0x20000 - 0x40000 : Second copy of SPL 427 * 0x40000 - 0x60000 : Third copy of SPL 428 * 0x60000 - 0x80000 : Fourth copy of SPL 429 * 0x80000 - 0xDF000 : U-Boot 430 * 0xDF000 - 0xE0000 : U-Boot Environment 431 * 0xE0000 - 0x442000 : Linux Kernel 432 * 0x442000 - 0x800000 : Userland 433 */ 434 #if defined(CONFIG_SPI_BOOT) 435 # undef CONFIG_ENV_IS_NOWHERE 436 # define CONFIG_ENV_IS_IN_SPI_FLASH 437 # define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED 438 # define CONFIG_ENV_OFFSET (892 << 10) /* 892 KiB in */ 439 # define CONFIG_ENV_SECT_SIZE (4 << 10) /* 4 KB sectors */ 440 #endif /* SPI support */ 441 442 /* Unsupported features */ 443 #undef CONFIG_USE_IRQ 444 445 #define CONFIG_CMD_NET 446 #define CONFIG_CMD_DHCP 447 #define CONFIG_CMD_PING 448 #define CONFIG_DRIVER_TI_CPSW 449 #define CONFIG_MII 450 #define CONFIG_BOOTP_DEFAULT 451 #define CONFIG_BOOTP_DNS 452 #define CONFIG_BOOTP_DNS2 453 #define CONFIG_BOOTP_SEND_HOSTNAME 454 #define CONFIG_BOOTP_GATEWAY 455 #define CONFIG_BOOTP_SUBNETMASK 456 #define CONFIG_NET_RETRY_COUNT 10 457 #define CONFIG_NET_MULTI 458 #define CONFIG_PHY_GIGE 459 #define CONFIG_PHYLIB 460 #define CONFIG_PHY_ADDR 0 461 #define CONFIG_PHY_SMSC 462 463 #define CONFIG_NAND 464 /* NAND support */ 465 #ifdef CONFIG_NAND 466 #define CONFIG_CMD_NAND 467 #define CONFIG_CMD_MTDPARTS 468 #define MTDIDS_DEFAULT "nand0=omap2-nand.0" 469 #define MTDPARTS_DEFAULT "mtdparts=omap2-nand.0:128k(SPL)," \ 470 "128k(SPL.backup1)," \ 471 "128k(SPL.backup2)," \ 472 "128k(SPL.backup3),1920k(u-boot)," \ 473 "128k(u-boot-env),5m(kernel),-(rootfs)" 474 #define CONFIG_NAND_OMAP_GPMC 475 #define GPMC_NAND_ECC_LP_x16_LAYOUT 1 476 #define CONFIG_SYS_NAND_BASE (0x08000000) /* physical address */ 477 /* to access nand at */ 478 /* CS0 */ 479 #define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND 480 devices */ 481 #if !defined(CONFIG_SPI_BOOT) 482 #undef CONFIG_ENV_IS_NOWHERE 483 #define CONFIG_ENV_IS_IN_NAND 484 #define CONFIG_ENV_OFFSET 0x260000 /* environment starts here */ 485 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */ 486 #endif 487 #endif 488 489 #endif /* ! __CONFIG_AM335X_EVM_H */ 490