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 /* Custom script for NOR */ 44 #define CONFIG_SYS_LDSCRIPT "board/ti/am335x/u-boot.lds" 45 46 #define CONFIG_SYS_CACHELINE_SIZE 64 47 48 /* commands to include */ 49 #include <config_cmd_default.h> 50 51 #define CONFIG_CMD_ASKENV 52 #define CONFIG_VERSION_VARIABLE 53 54 #ifdef CONFIG_NAND 55 #define NANDARGS \ 56 "mtdids=" MTDIDS_DEFAULT "\0" \ 57 "mtdparts=" MTDPARTS_DEFAULT "\0" \ 58 "nandargs=setenv bootargs console=${console} " \ 59 "${optargs} " \ 60 "root=${nandroot} " \ 61 "rootfstype=${nandrootfstype}\0" \ 62 "dfu_alt_info_nand=" DFU_ALT_INFO_NAND "\0" \ 63 "nandroot=ubi0:rootfs rw ubi.mtd=7,2048\0" \ 64 "nandrootfstype=ubifs rootwait=1\0" \ 65 "nandsrcaddr=0x280000\0" \ 66 "nandboot=echo Booting from nand ...; " \ 67 "run nandargs; " \ 68 "nand read ${loadaddr} ${nandsrcaddr} ${nandimgsize}; " \ 69 "bootm ${loadaddr}\0" \ 70 "nandimgsize=0x500000\0" 71 #else 72 #define NANDARGS "" 73 #endif 74 75 /* set to negative value for no autoboot */ 76 #define CONFIG_BOOTDELAY 1 77 #define CONFIG_ENV_VARS_UBOOT_CONFIG 78 #define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG 79 #ifndef CONFIG_SPL_BUILD 80 #define CONFIG_EXTRA_ENV_SETTINGS \ 81 "loadaddr=0x80200000\0" \ 82 "fdtaddr=0x80F80000\0" \ 83 "fdt_high=0xffffffff\0" \ 84 "rdaddr=0x81000000\0" \ 85 "bootdir=/boot\0" \ 86 "bootfile=uImage\0" \ 87 "fdtfile=undefined\0" \ 88 "console=ttyO0,115200n8\0" \ 89 "optargs=\0" \ 90 "dfu_alt_info_mmc=" DFU_ALT_INFO_MMC "\0" \ 91 "dfu_alt_info_emmc=rawemmc mmc 0 3751936\0" \ 92 "mmcdev=0\0" \ 93 "mmcroot=/dev/mmcblk0p2 ro\0" \ 94 "mmcrootfstype=ext4 rootwait\0" \ 95 "bootpart=0:2\0" \ 96 "rootpath=/export/rootfs\0" \ 97 "nfsopts=nolock\0" \ 98 "static_ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}" \ 99 "::off\0" \ 100 "ramroot=/dev/ram0 rw ramdisk_size=65536 initrd=${rdaddr},64M\0" \ 101 "ramrootfstype=ext2\0" \ 102 "mmcargs=setenv bootargs console=${console} " \ 103 "${optargs} " \ 104 "root=${mmcroot} " \ 105 "rootfstype=${mmcrootfstype}\0" \ 106 "spiroot=/dev/mtdblock4 rw\0" \ 107 "spirootfstype=jffs2\0" \ 108 "spisrcaddr=0xe0000\0" \ 109 "spiimgsize=0x362000\0" \ 110 "spibusno=0\0" \ 111 "spiargs=setenv bootargs console=${console} " \ 112 "${optargs} " \ 113 "root=${spiroot} " \ 114 "rootfstype=${spirootfstype}\0" \ 115 "netargs=setenv bootargs console=${console} " \ 116 "${optargs} " \ 117 "root=/dev/nfs " \ 118 "nfsroot=${serverip}:${rootpath},${nfsopts} rw " \ 119 "ip=dhcp\0" \ 120 "bootenv=uEnv.txt\0" \ 121 "loadbootenv=load mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \ 122 "importbootenv=echo Importing environment from mmc ...; " \ 123 "env import -t $loadaddr $filesize\0" \ 124 "ramargs=setenv bootargs console=${console} " \ 125 "${optargs} " \ 126 "root=${ramroot} " \ 127 "rootfstype=${ramrootfstype}\0" \ 128 "loadramdisk=load mmc ${mmcdev} ${rdaddr} ramdisk.gz\0" \ 129 "loaduimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \ 130 "loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \ 131 "mmcboot=echo Booting from mmc ...; " \ 132 "run mmcargs; " \ 133 "bootm ${loadaddr} - ${fdtaddr}\0" \ 134 "spiboot=echo Booting from spi ...; " \ 135 "run spiargs; " \ 136 "sf probe ${spibusno}:0; " \ 137 "sf read ${loadaddr} ${spisrcaddr} ${spiimgsize}; " \ 138 "bootm ${loadaddr}\0" \ 139 "netboot=echo Booting from network ...; " \ 140 "setenv autoload no; " \ 141 "dhcp; " \ 142 "tftp ${loadaddr} ${bootfile}; " \ 143 "tftp ${fdtaddr} ${fdtfile}; " \ 144 "run netargs; " \ 145 "bootm ${loadaddr} - ${fdtaddr}\0" \ 146 "ramboot=echo Booting from ramdisk ...; " \ 147 "run ramargs; " \ 148 "bootm ${loadaddr} ${rdaddr} ${fdtaddr}\0" \ 149 "findfdt="\ 150 "if test $board_name = A335BONE; then " \ 151 "setenv fdtfile am335x-bone.dtb; fi; " \ 152 "if test $board_name = A335BNLT; then " \ 153 "setenv fdtfile am335x-boneblack.dtb; fi; " \ 154 "if test $board_name = A33515BB; then " \ 155 "setenv fdtfile am335x-evm.dtb; fi; " \ 156 "if test $board_name = A335X_SK; then " \ 157 "setenv fdtfile am335x-evmsk.dtb; fi; " \ 158 "if test $fdtfile = undefined; then " \ 159 "echo WARNING: Could not determine device tree to use; fi; \0" \ 160 NANDARGS 161 #endif 162 163 #define CONFIG_BOOTCOMMAND \ 164 "run findfdt; " \ 165 "mmc dev ${mmcdev}; if mmc rescan; then " \ 166 "echo SD/MMC found on device ${mmcdev};" \ 167 "if run loadbootenv; then " \ 168 "echo Loaded environment from ${bootenv};" \ 169 "run importbootenv;" \ 170 "fi;" \ 171 "if test -n $uenvcmd; then " \ 172 "echo Running uenvcmd ...;" \ 173 "run uenvcmd;" \ 174 "fi;" \ 175 "if run loaduimage; then " \ 176 "run loadfdt;" \ 177 "run mmcboot;" \ 178 "fi;" \ 179 "else " \ 180 "run nandboot;" \ 181 "fi;" \ 182 183 /* Clock Defines */ 184 #define V_OSCK 24000000 /* Clock output from T2 */ 185 #define V_SCLK (V_OSCK) 186 187 #define CONFIG_CMD_ECHO 188 189 /* We set the max number of command args high to avoid HUSH bugs. */ 190 #define CONFIG_SYS_MAXARGS 64 191 192 /* Console I/O Buffer Size */ 193 #define CONFIG_SYS_CBSIZE 512 194 195 /* Print Buffer Size */ 196 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE \ 197 + sizeof(CONFIG_SYS_PROMPT) + 16) 198 199 /* Boot Argument Buffer Size */ 200 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 201 202 /* 203 * memtest works on 8 MB in DRAM after skipping 32MB from 204 * start addr of ram disk 205 */ 206 #define CONFIG_SYS_MEMTEST_START (PHYS_DRAM_1 + (64 * 1024 * 1024)) 207 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START \ 208 + (8 * 1024 * 1024)) 209 210 #define CONFIG_SYS_LOAD_ADDR 0x81000000 /* Default load address */ 211 212 #define CONFIG_MMC 213 #define CONFIG_GENERIC_MMC 214 #define CONFIG_OMAP_HSMMC 215 #define CONFIG_CMD_MMC 216 #define CONFIG_DOS_PARTITION 217 #define CONFIG_CMD_FAT 218 #define CONFIG_FAT_WRITE 219 #define CONFIG_CMD_EXT2 220 #define CONFIG_CMD_EXT4 221 #define CONFIG_CMD_FS_GENERIC 222 223 #define CONFIG_SPI 224 #define CONFIG_OMAP3_SPI 225 #define CONFIG_MTD_DEVICE 226 #define CONFIG_SPI_FLASH 227 #define CONFIG_SPI_FLASH_WINBOND 228 #define CONFIG_CMD_SF 229 #define CONFIG_SF_DEFAULT_SPEED (24000000) 230 231 /* USB Composite download gadget - g_dnl */ 232 #define CONFIG_USB_GADGET 233 #define CONFIG_USBDOWNLOAD_GADGET 234 235 /* USB TI's IDs */ 236 #define CONFIG_USBD_HS 237 #define CONFIG_G_DNL_VENDOR_NUM 0x0403 238 #define CONFIG_G_DNL_PRODUCT_NUM 0xBD00 239 #define CONFIG_G_DNL_MANUFACTURER "Texas Instruments" 240 241 /* USB Device Firmware Update support */ 242 #define CONFIG_DFU_FUNCTION 243 #define CONFIG_DFU_MMC 244 #define CONFIG_CMD_DFU 245 #define DFU_ALT_INFO_MMC \ 246 "boot part 0 1;" \ 247 "rootfs part 0 2;" \ 248 "MLO fat 0 1;" \ 249 "MLO.raw mmc 100 100;" \ 250 "u-boot.img.raw mmc 300 400;" \ 251 "spl-os-args.raw mmc 80 80;" \ 252 "spl-os-image.raw mmc 900 2000;" \ 253 "spl-os-args fat 0 1;" \ 254 "spl-os-image fat 0 1;" \ 255 "u-boot.img fat 0 1;" \ 256 "uEnv.txt fat 0 1" 257 #ifdef CONFIG_NAND 258 #define CONFIG_DFU_NAND 259 #define DFU_ALT_INFO_NAND \ 260 "SPL part 0 1;" \ 261 "SPL.backup1 part 0 2;" \ 262 "SPL.backup2 part 0 3;" \ 263 "SPL.backup3 part 0 4;" \ 264 "u-boot part 0 5;" \ 265 "u-boot-spl-os part 0 6;" \ 266 "kernel part 0 8;" \ 267 "rootfs part 0 9" 268 #endif 269 270 /* Physical Memory Map */ 271 #define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */ 272 #define PHYS_DRAM_1 0x80000000 /* DRAM Bank #1 */ 273 #define CONFIG_MAX_RAM_BANK_SIZE (1024 << 20) /* 1GB */ 274 275 #define CONFIG_SYS_SDRAM_BASE PHYS_DRAM_1 276 #define CONFIG_SYS_INIT_SP_ADDR (NON_SECURE_SRAM_END - \ 277 GENERATED_GBL_DATA_SIZE) 278 /* Platform/Board specific defs */ 279 #define CONFIG_SYS_TIMERBASE 0x48040000 /* Use Timer2 */ 280 #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */ 281 #define CONFIG_SYS_HZ 1000 /* 1ms clock */ 282 283 /* NS16550 Configuration */ 284 #define CONFIG_SYS_NS16550 285 #define CONFIG_SYS_NS16550_SERIAL 286 #define CONFIG_SYS_NS16550_REG_SIZE (-4) 287 #define CONFIG_SYS_NS16550_CLK (48000000) 288 #define CONFIG_SYS_NS16550_COM1 0x44e09000 /* Base EVM has UART0 */ 289 #define CONFIG_SYS_NS16550_COM2 0x48022000 /* UART1 */ 290 #define CONFIG_SYS_NS16550_COM3 0x48024000 /* UART2 */ 291 #define CONFIG_SYS_NS16550_COM4 0x481a6000 /* UART3 */ 292 #define CONFIG_SYS_NS16550_COM5 0x481a8000 /* UART4 */ 293 #define CONFIG_SYS_NS16550_COM6 0x481aa000 /* UART5 */ 294 295 /* I2C Configuration */ 296 #define CONFIG_I2C 297 #define CONFIG_CMD_I2C 298 #define CONFIG_HARD_I2C 299 #define CONFIG_SYS_I2C_SPEED 100000 300 #define CONFIG_SYS_I2C_SLAVE 1 301 #define CONFIG_I2C_MULTI_BUS 302 #define CONFIG_DRIVER_OMAP24XX_I2C 303 #define CONFIG_CMD_EEPROM 304 #define CONFIG_ENV_EEPROM_IS_ON_I2C 305 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* Main EEPROM */ 306 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 307 #define CONFIG_SYS_I2C_MULTI_EEPROMS 308 309 #define CONFIG_OMAP_GPIO 310 311 #define CONFIG_BAUDRATE 115200 312 #define CONFIG_SYS_BAUDRATE_TABLE { 110, 300, 600, 1200, 2400, \ 313 4800, 9600, 14400, 19200, 28800, 38400, 56000, 57600, 115200 } 314 315 /* CPU */ 316 #define CONFIG_ARCH_CPU_INIT 317 318 #define CONFIG_ENV_OVERWRITE 1 319 #define CONFIG_SYS_CONSOLE_INFO_QUIET 320 321 #ifndef CONFIG_NOR_BOOT 322 /* Defines for SPL */ 323 #define CONFIG_SPL 324 #define CONFIG_SPL_FRAMEWORK 325 /* 326 * Place the image at the start of the ROM defined image space. 327 * We limit our size to the ROM-defined downloaded image area, and use the 328 * rest of the space for stack. 329 */ 330 #define CONFIG_SPL_TEXT_BASE 0x402F0400 331 #define CONFIG_SPL_MAX_SIZE (0x4030C000 - CONFIG_SPL_TEXT_BASE) 332 #define CONFIG_SPL_STACK CONFIG_SYS_INIT_SP_ADDR 333 334 #define CONFIG_SPL_OS_BOOT 335 336 #define CONFIG_SPL_BSS_START_ADDR 0x80a00000 337 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */ 338 339 #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x300 /* address 0x60000 */ 340 #define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS 0x200 /* 256 KB */ 341 #define CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION 1 342 #define CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME "u-boot.img" 343 344 #ifdef CONFIG_SPL_OS_BOOT 345 /* fat */ 346 #define CONFIG_SPL_FAT_LOAD_KERNEL_NAME "uImage" 347 #define CONFIG_SPL_FAT_LOAD_ARGS_NAME "args" 348 #define CONFIG_SYS_SPL_ARGS_ADDR (PHYS_DRAM_1 + 0x100) 349 350 /* raw mmc */ 351 #define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR 0x900 /* address 0x120000 */ 352 #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR 0x80 /* address 0x10000 */ 353 #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS 0x80 /* 64KiB */ 354 355 /* nand */ 356 #ifdef CONFIG_NAND 357 #define CONFIG_CMD_SPL_NAND_OFS 0x240000 /* end of u-boot */ 358 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x280000 359 #define CONFIG_CMD_SPL_WRITE_SIZE 0x2000 360 #endif 361 362 /* spl export command */ 363 #define CONFIG_CMD_SPL 364 #endif 365 366 #define CONFIG_SPL_MMC_SUPPORT 367 #define CONFIG_SPL_FAT_SUPPORT 368 #define CONFIG_SPL_I2C_SUPPORT 369 370 #define CONFIG_SPL_LIBCOMMON_SUPPORT 371 #define CONFIG_SPL_LIBDISK_SUPPORT 372 #define CONFIG_SPL_LIBGENERIC_SUPPORT 373 #define CONFIG_SPL_SERIAL_SUPPORT 374 #define CONFIG_SPL_GPIO_SUPPORT 375 #define CONFIG_SPL_YMODEM_SUPPORT 376 #define CONFIG_SPL_NET_SUPPORT 377 #define CONFIG_SPL_ENV_SUPPORT 378 #define CONFIG_SPL_NET_VCI_STRING "AM335x U-Boot SPL" 379 #define CONFIG_SPL_ETH_SUPPORT 380 #define CONFIG_SPL_SPI_SUPPORT 381 #define CONFIG_SPL_SPI_FLASH_SUPPORT 382 #define CONFIG_SPL_SPI_LOAD 383 #define CONFIG_SPL_SPI_BUS 0 384 #define CONFIG_SPL_SPI_CS 0 385 #define CONFIG_SYS_SPI_U_BOOT_OFFS 0x20000 386 #define CONFIG_SPL_MUSB_NEW_SUPPORT 387 #define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/am33xx/u-boot-spl.lds" 388 389 #define CONFIG_SPL_BOARD_INIT 390 391 #ifdef CONFIG_NAND 392 #define CONFIG_SPL_NAND_AM33XX_BCH 393 #define CONFIG_SPL_NAND_SUPPORT 394 #define CONFIG_SPL_NAND_BASE 395 #define CONFIG_SPL_NAND_DRIVERS 396 #define CONFIG_SPL_NAND_ECC 397 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 398 #define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \ 399 CONFIG_SYS_NAND_PAGE_SIZE) 400 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 401 #define CONFIG_SYS_NAND_OOBSIZE 64 402 #define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024) 403 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 404 #define CONFIG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, \ 405 10, 11, 12, 13, 14, 15, 16, 17, \ 406 18, 19, 20, 21, 22, 23, 24, 25, \ 407 26, 27, 28, 29, 30, 31, 32, 33, \ 408 34, 35, 36, 37, 38, 39, 40, 41, \ 409 42, 43, 44, 45, 46, 47, 48, 49, \ 410 50, 51, 52, 53, 54, 55, 56, 57, } 411 412 #define CONFIG_SYS_NAND_ECCSIZE 512 413 #define CONFIG_SYS_NAND_ECCBYTES 14 414 415 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 416 417 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000 418 #endif 419 #endif 420 421 /* 422 * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM 423 * 64 bytes before this address should be set aside for u-boot.img's 424 * header. That is 0x800FFFC0--0x80100000 should not be used for any 425 * other needs. 426 */ 427 #ifdef CONFIG_NOR_BOOT 428 #define CONFIG_SYS_TEXT_BASE 0x08000000 429 #else 430 #define CONFIG_SYS_TEXT_BASE 0x80800000 431 #endif 432 #define CONFIG_SYS_SPL_MALLOC_START 0x80a08000 433 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000 434 435 /* Since SPL did pll and ddr initialization for us, 436 * we don't need to do it twice. 437 */ 438 #if !defined(CONFIG_SPL_BUILD) && !defined(CONFIG_NOR_BOOT) 439 #define CONFIG_SKIP_LOWLEVEL_INIT 440 #endif 441 442 /* 443 * USB configuration 444 */ 445 #define CONFIG_USB_MUSB_DSPS 446 #define CONFIG_ARCH_MISC_INIT 447 #define CONFIG_MUSB_GADGET 448 #define CONFIG_MUSB_PIO_ONLY 449 #define CONFIG_MUSB_DISABLE_BULK_COMBINE_SPLIT 450 #define CONFIG_USB_GADGET_DUALSPEED 451 #define CONFIG_USB_GADGET_VBUS_DRAW 2 452 #define CONFIG_MUSB_HOST 453 #define CONFIG_AM335X_USB0 454 #define CONFIG_AM335X_USB0_MODE MUSB_PERIPHERAL 455 #define CONFIG_AM335X_USB1 456 #define CONFIG_AM335X_USB1_MODE MUSB_HOST 457 458 #ifdef CONFIG_MUSB_HOST 459 #define CONFIG_CMD_USB 460 #define CONFIG_USB_STORAGE 461 #endif 462 463 #ifdef CONFIG_MUSB_GADGET 464 #define CONFIG_USB_ETHER 465 #define CONFIG_USB_ETH_RNDIS 466 #define CONFIG_USBNET_HOST_ADDR "de:ad:be:af:00:00" 467 #endif /* CONFIG_MUSB_GADGET */ 468 469 #if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_USBETH_SUPPORT) 470 /* disable host part of MUSB in SPL */ 471 #undef CONFIG_MUSB_HOST 472 /* 473 * Disable CPSW SPL support so we fit within the 101KiB limit. 474 */ 475 #undef CONFIG_SPL_ETH_SUPPORT 476 #endif 477 478 /* 479 * Default to using SPI for environment, etc. 480 * 0x000000 - 0x020000 : SPL (128KiB) 481 * 0x020000 - 0x0A0000 : U-Boot (512KiB) 482 * 0x0A0000 - 0x0BFFFF : First copy of U-Boot Environment (128KiB) 483 * 0x0C0000 - 0x0DFFFF : Second copy of U-Boot Environment (128KiB) 484 * 0x0E0000 - 0x442000 : Linux Kernel 485 * 0x442000 - 0x800000 : Userland 486 */ 487 #if defined(CONFIG_SPI_BOOT) 488 #define CONFIG_ENV_IS_IN_SPI_FLASH 489 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT 490 #define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED 491 #define CONFIG_ENV_SECT_SIZE (4 << 10) /* 4 KB sectors */ 492 #define CONFIG_ENV_OFFSET (768 << 10) /* 768 KiB in */ 493 #define CONFIG_ENV_OFFSET_REDUND (896 << 10) /* 896 KiB in */ 494 #define CONFIG_CMD_MTDPARTS 495 #define MTDIDS_DEFAULT "nor0=m25p80-flash.0" 496 #define MTDPARTS_DEFAULT "mtdparts=m25p80-flash.0:128k(SPL)," \ 497 "512k(u-boot),128k(u-boot-env1)," \ 498 "128k(u-boot-env2),3464k(kernel)," \ 499 "-(rootfs)" 500 #endif /* SPI support */ 501 502 /* Unsupported features */ 503 #undef CONFIG_USE_IRQ 504 505 #define CONFIG_CMD_NET 506 #define CONFIG_CMD_DHCP 507 #define CONFIG_CMD_PING 508 #define CONFIG_DRIVER_TI_CPSW 509 #define CONFIG_MII 510 #define CONFIG_BOOTP_DEFAULT 511 #define CONFIG_BOOTP_DNS 512 #define CONFIG_BOOTP_DNS2 513 #define CONFIG_BOOTP_SEND_HOSTNAME 514 #define CONFIG_BOOTP_GATEWAY 515 #define CONFIG_BOOTP_SUBNETMASK 516 #define CONFIG_NET_RETRY_COUNT 10 517 #define CONFIG_NET_MULTI 518 #define CONFIG_PHY_GIGE 519 #define CONFIG_PHYLIB 520 #define CONFIG_PHY_ADDR 0 521 #define CONFIG_PHY_SMSC 522 523 /* NAND support */ 524 #ifdef CONFIG_NAND 525 #define CONFIG_CMD_NAND 526 #define CONFIG_CMD_MTDPARTS 527 #define CONFIG_NAND_OMAP_GPMC 528 #define GPMC_NAND_ECC_LP_x16_LAYOUT 1 529 #define CONFIG_SYS_NAND_BASE (0x08000000) /* physical address */ 530 /* to access nand at */ 531 /* CS0 */ 532 #define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND 533 devices */ 534 #if !defined(CONFIG_SPI_BOOT) && !defined(CONFIG_NOR_BOOT) 535 #define MTDIDS_DEFAULT "nand0=omap2-nand.0" 536 #define MTDPARTS_DEFAULT "mtdparts=omap2-nand.0:128k(SPL)," \ 537 "128k(SPL.backup1)," \ 538 "128k(SPL.backup2)," \ 539 "128k(SPL.backup3),1792k(u-boot)," \ 540 "128k(u-boot-spl-os)," \ 541 "128k(u-boot-env),5m(kernel),-(rootfs)" 542 #define CONFIG_ENV_IS_IN_NAND 543 #define CONFIG_ENV_OFFSET 0x260000 /* environment starts here */ 544 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */ 545 #endif 546 #endif 547 548 /* 549 * NOR Size = 16 MiB 550 * Number of Sectors/Blocks = 128 551 * Sector Size = 128 KiB 552 * Word length = 16 bits 553 * Default layout: 554 * 0x000000 - 0x07FFFF : U-Boot (512 KiB) 555 * 0x080000 - 0x09FFFF : First copy of U-Boot Environment (128 KiB) 556 * 0x0A0000 - 0x0BFFFF : Second copy of U-Boot Environment (128 KiB) 557 * 0x0C0000 - 0x4BFFFF : Linux Kernel (4 MiB) 558 * 0x4C0000 - 0xFFFFFF : Userland (11 MiB + 256 KiB) 559 */ 560 #if defined(CONFIG_NOR) 561 #undef CONFIG_SYS_NO_FLASH 562 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 563 #define CONFIG_SYS_FLASH_PROTECTION 564 #define CONFIG_SYS_FLASH_CFI 565 #define CONFIG_FLASH_CFI_DRIVER 566 #define CONFIG_FLASH_CFI_MTD 567 #define CONFIG_SYS_MAX_FLASH_SECT 128 568 #define CONFIG_SYS_MAX_FLASH_BANKS 1 569 #define CONFIG_SYS_FLASH_BASE (0x08000000) 570 #define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_16BIT 571 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE 572 #ifdef CONFIG_NOR_BOOT 573 #define CONFIG_ENV_IS_IN_FLASH 574 #define CONFIG_ENV_SECT_SIZE (128 << 10) /* 128 KiB */ 575 #define CONFIG_ENV_OFFSET (512 << 10) /* 512 KiB */ 576 #define CONFIG_ENV_OFFSET_REDUND (768 << 10) /* 768 KiB */ 577 #define CONFIG_CMD_MTDPARTS 578 #define MTDIDS_DEFAULT "nor0=physmap-flash.0" 579 #define MTDPARTS_DEFAULT "mtdparts=physmap-flash.0:" \ 580 "512k(u-boot)," \ 581 "128k(u-boot-env1)," \ 582 "128k(u-boot-env2)," \ 583 "4m(kernel),-(rootfs)" 584 #endif 585 #define CONFIG_MTD_DEVICE 586 #define CONFIG_CMD_FLASH 587 #endif /* NOR support */ 588 589 #endif /* ! __CONFIG_AM335X_EVM_H */ 590