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_CMDLINE_EDITING 41 #define CONFIG_STACKSIZE (128 * 1024) 42 #define CONFIG_AUTO_COMPLETE 43 #define CONFIG_SETUP_MEMORY_TAGS 44 #define CONFIG_INITRD_TAG 45 46 /* Custom script for NOR */ 47 #define CONFIG_SYS_LDSCRIPT "board/ti/am335x/u-boot.lds" 48 49 #define CONFIG_SYS_CACHELINE_SIZE 64 50 51 /* commands to include */ 52 #include <config_cmd_default.h> 53 54 #define CONFIG_CMD_ASKENV 55 #define CONFIG_VERSION_VARIABLE 56 57 #ifdef CONFIG_NAND 58 #define NANDARGS \ 59 "mtdids=" MTDIDS_DEFAULT "\0" \ 60 "mtdparts=" MTDPARTS_DEFAULT "\0" \ 61 "nandargs=setenv bootargs console=${console} " \ 62 "${optargs} " \ 63 "root=${nandroot} " \ 64 "rootfstype=${nandrootfstype}\0" \ 65 "dfu_alt_info_nand=" DFU_ALT_INFO_NAND "\0" \ 66 "nandroot=ubi0:rootfs rw ubi.mtd=7,2048\0" \ 67 "nandrootfstype=ubifs rootwait=1\0" \ 68 "nandsrcaddr=0x280000\0" \ 69 "nandboot=echo Booting from nand ...; " \ 70 "run nandargs; " \ 71 "nand read ${loadaddr} ${nandsrcaddr} ${nandimgsize}; " \ 72 "bootm ${loadaddr}\0" \ 73 "nandimgsize=0x500000\0" 74 #else 75 #define NANDARGS "" 76 #endif 77 78 /* set to negative value for no autoboot */ 79 #define CONFIG_BOOTDELAY 1 80 #define CONFIG_ENV_VARS_UBOOT_CONFIG 81 #define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG 82 #ifndef CONFIG_SPL_BUILD 83 #define CONFIG_EXTRA_ENV_SETTINGS \ 84 "loadaddr=0x80200000\0" \ 85 "fdtaddr=0x80F80000\0" \ 86 "fdt_high=0xffffffff\0" \ 87 "rdaddr=0x81000000\0" \ 88 "bootdir=/boot\0" \ 89 "bootfile=uImage\0" \ 90 "fdtfile=undefined\0" \ 91 "console=ttyO0,115200n8\0" \ 92 "optargs=\0" \ 93 "dfu_alt_info_mmc=" DFU_ALT_INFO_MMC "\0" \ 94 "dfu_alt_info_emmc=rawemmc mmc 0 3751936\0" \ 95 "mmcdev=0\0" \ 96 "mmcroot=/dev/mmcblk0p2 ro\0" \ 97 "mmcrootfstype=ext4 rootwait\0" \ 98 "bootpart=0:2\0" \ 99 "rootpath=/export/rootfs\0" \ 100 "nfsopts=nolock\0" \ 101 "static_ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}" \ 102 "::off\0" \ 103 "ramroot=/dev/ram0 rw ramdisk_size=65536 initrd=${rdaddr},64M\0" \ 104 "ramrootfstype=ext2\0" \ 105 "mmcargs=setenv bootargs console=${console} " \ 106 "${optargs} " \ 107 "root=${mmcroot} " \ 108 "rootfstype=${mmcrootfstype}\0" \ 109 "spiroot=/dev/mtdblock4 rw\0" \ 110 "spirootfstype=jffs2\0" \ 111 "spisrcaddr=0xe0000\0" \ 112 "spiimgsize=0x362000\0" \ 113 "spibusno=0\0" \ 114 "spiargs=setenv bootargs console=${console} " \ 115 "${optargs} " \ 116 "root=${spiroot} " \ 117 "rootfstype=${spirootfstype}\0" \ 118 "netargs=setenv bootargs console=${console} " \ 119 "${optargs} " \ 120 "root=/dev/nfs " \ 121 "nfsroot=${serverip}:${rootpath},${nfsopts} rw " \ 122 "ip=dhcp\0" \ 123 "bootenv=uEnv.txt\0" \ 124 "loadbootenv=load mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \ 125 "importbootenv=echo Importing environment from mmc ...; " \ 126 "env import -t $loadaddr $filesize\0" \ 127 "ramargs=setenv bootargs console=${console} " \ 128 "${optargs} " \ 129 "root=${ramroot} " \ 130 "rootfstype=${ramrootfstype}\0" \ 131 "loadramdisk=load mmc ${mmcdev} ${rdaddr} ramdisk.gz\0" \ 132 "loaduimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \ 133 "loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \ 134 "mmcboot=echo Booting from mmc ...; " \ 135 "run mmcargs; " \ 136 "bootm ${loadaddr} - ${fdtaddr}\0" \ 137 "spiboot=echo Booting from spi ...; " \ 138 "run spiargs; " \ 139 "sf probe ${spibusno}:0; " \ 140 "sf read ${loadaddr} ${spisrcaddr} ${spiimgsize}; " \ 141 "bootm ${loadaddr}\0" \ 142 "netboot=echo Booting from network ...; " \ 143 "setenv autoload no; " \ 144 "dhcp; " \ 145 "tftp ${loadaddr} ${bootfile}; " \ 146 "tftp ${fdtaddr} ${fdtfile}; " \ 147 "run netargs; " \ 148 "bootm ${loadaddr} - ${fdtaddr}\0" \ 149 "ramboot=echo Booting from ramdisk ...; " \ 150 "run ramargs; " \ 151 "bootm ${loadaddr} ${rdaddr} ${fdtaddr}\0" \ 152 "findfdt="\ 153 "if test $board_name = A335BONE; then " \ 154 "setenv fdtfile am335x-bone.dtb; fi; " \ 155 "if test $board_name = A335BNLT; then " \ 156 "setenv fdtfile am335x-boneblack.dtb; fi; " \ 157 "if test $board_name = A33515BB; then " \ 158 "setenv fdtfile am335x-evm.dtb; fi; " \ 159 "if test $board_name = A335X_SK; then " \ 160 "setenv fdtfile am335x-evmsk.dtb; fi; " \ 161 "if test $fdtfile = undefined; then " \ 162 "echo WARNING: Could not determine device tree to use; fi; \0" \ 163 NANDARGS 164 #endif 165 166 #define CONFIG_BOOTCOMMAND \ 167 "run findfdt; " \ 168 "mmc dev ${mmcdev}; if mmc rescan; then " \ 169 "echo SD/MMC found on device ${mmcdev};" \ 170 "if run loadbootenv; then " \ 171 "echo Loaded environment from ${bootenv};" \ 172 "run importbootenv;" \ 173 "fi;" \ 174 "if test -n $uenvcmd; then " \ 175 "echo Running uenvcmd ...;" \ 176 "run uenvcmd;" \ 177 "fi;" \ 178 "if run loaduimage; then " \ 179 "run loadfdt;" \ 180 "run mmcboot;" \ 181 "fi;" \ 182 "else " \ 183 "run nandboot;" \ 184 "fi;" \ 185 186 /* Clock Defines */ 187 #define V_OSCK 24000000 /* Clock output from T2 */ 188 #define V_SCLK (V_OSCK) 189 190 #define CONFIG_CMD_ECHO 191 192 /* We set the max number of command args high to avoid HUSH bugs. */ 193 #define CONFIG_SYS_MAXARGS 64 194 195 /* Console I/O Buffer Size */ 196 #define CONFIG_SYS_CBSIZE 512 197 198 /* Print Buffer Size */ 199 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE \ 200 + sizeof(CONFIG_SYS_PROMPT) + 16) 201 202 /* Boot Argument Buffer Size */ 203 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 204 205 /* 206 * memtest works on 8 MB in DRAM after skipping 32MB from 207 * start addr of ram disk 208 */ 209 #define CONFIG_SYS_MEMTEST_START (PHYS_DRAM_1 + (64 * 1024 * 1024)) 210 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START \ 211 + (8 * 1024 * 1024)) 212 213 #define CONFIG_SYS_LOAD_ADDR 0x81000000 /* Default load address */ 214 215 #define CONFIG_MMC 216 #define CONFIG_GENERIC_MMC 217 #define CONFIG_OMAP_HSMMC 218 #define CONFIG_CMD_MMC 219 #define CONFIG_DOS_PARTITION 220 #define CONFIG_CMD_FAT 221 #define CONFIG_FAT_WRITE 222 #define CONFIG_CMD_EXT2 223 #define CONFIG_CMD_EXT4 224 #define CONFIG_CMD_FS_GENERIC 225 226 #define CONFIG_SPI 227 #define CONFIG_OMAP3_SPI 228 #define CONFIG_MTD_DEVICE 229 #define CONFIG_SPI_FLASH 230 #define CONFIG_SPI_FLASH_WINBOND 231 #define CONFIG_CMD_SF 232 #define CONFIG_SF_DEFAULT_SPEED (24000000) 233 234 /* USB Composite download gadget - g_dnl */ 235 #define CONFIG_USB_GADGET 236 #define CONFIG_USBDOWNLOAD_GADGET 237 238 /* USB TI's IDs */ 239 #define CONFIG_USBD_HS 240 #define CONFIG_G_DNL_VENDOR_NUM 0x0403 241 #define CONFIG_G_DNL_PRODUCT_NUM 0xBD00 242 #define CONFIG_G_DNL_MANUFACTURER "Texas Instruments" 243 244 /* USB Device Firmware Update support */ 245 #define CONFIG_DFU_FUNCTION 246 #define CONFIG_DFU_MMC 247 #define CONFIG_CMD_DFU 248 #define DFU_ALT_INFO_MMC \ 249 "boot part 0 1;" \ 250 "rootfs part 0 2;" \ 251 "MLO fat 0 1;" \ 252 "MLO.raw mmc 100 100;" \ 253 "u-boot.img.raw mmc 300 400;" \ 254 "spl-os-args.raw mmc 80 80;" \ 255 "spl-os-image.raw mmc 900 2000;" \ 256 "spl-os-args fat 0 1;" \ 257 "spl-os-image fat 0 1;" \ 258 "u-boot.img fat 0 1;" \ 259 "uEnv.txt fat 0 1" 260 #ifdef CONFIG_NAND 261 #define CONFIG_DFU_NAND 262 #define DFU_ALT_INFO_NAND \ 263 "SPL part 0 1;" \ 264 "SPL.backup1 part 0 2;" \ 265 "SPL.backup2 part 0 3;" \ 266 "SPL.backup3 part 0 4;" \ 267 "u-boot part 0 5;" \ 268 "u-boot-spl-os part 0 6;" \ 269 "kernel part 0 8;" \ 270 "rootfs part 0 9" 271 #endif 272 273 /* Physical Memory Map */ 274 #define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */ 275 #define PHYS_DRAM_1 0x80000000 /* DRAM Bank #1 */ 276 #define CONFIG_MAX_RAM_BANK_SIZE (1024 << 20) /* 1GB */ 277 278 #define CONFIG_SYS_SDRAM_BASE PHYS_DRAM_1 279 #define CONFIG_SYS_INIT_SP_ADDR (NON_SECURE_SRAM_END - \ 280 GENERATED_GBL_DATA_SIZE) 281 /* Platform/Board specific defs */ 282 #define CONFIG_SYS_TIMERBASE 0x48040000 /* Use Timer2 */ 283 #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */ 284 #define CONFIG_SYS_HZ 1000 /* 1ms clock */ 285 286 /* NS16550 Configuration */ 287 #define CONFIG_SYS_NS16550 288 #define CONFIG_SYS_NS16550_SERIAL 289 #define CONFIG_SYS_NS16550_REG_SIZE (-4) 290 #define CONFIG_SYS_NS16550_CLK (48000000) 291 #define CONFIG_SYS_NS16550_COM1 0x44e09000 /* Base EVM has UART0 */ 292 #define CONFIG_SYS_NS16550_COM2 0x48022000 /* UART1 */ 293 #define CONFIG_SYS_NS16550_COM3 0x48024000 /* UART2 */ 294 #define CONFIG_SYS_NS16550_COM4 0x481a6000 /* UART3 */ 295 #define CONFIG_SYS_NS16550_COM5 0x481a8000 /* UART4 */ 296 #define CONFIG_SYS_NS16550_COM6 0x481aa000 /* UART5 */ 297 298 /* I2C Configuration */ 299 #define CONFIG_I2C 300 #define CONFIG_CMD_I2C 301 #define CONFIG_HARD_I2C 302 #define CONFIG_SYS_I2C_SPEED 100000 303 #define CONFIG_SYS_I2C_SLAVE 1 304 #define CONFIG_I2C_MULTI_BUS 305 #define CONFIG_DRIVER_OMAP24XX_I2C 306 #define CONFIG_CMD_EEPROM 307 #define CONFIG_ENV_EEPROM_IS_ON_I2C 308 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* Main EEPROM */ 309 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 310 #define CONFIG_SYS_I2C_MULTI_EEPROMS 311 312 #define CONFIG_OMAP_GPIO 313 314 #define CONFIG_BAUDRATE 115200 315 #define CONFIG_SYS_BAUDRATE_TABLE { 110, 300, 600, 1200, 2400, \ 316 4800, 9600, 14400, 19200, 28800, 38400, 56000, 57600, 115200 } 317 318 /* CPU */ 319 #define CONFIG_ARCH_CPU_INIT 320 321 #define CONFIG_ENV_OVERWRITE 1 322 #define CONFIG_SYS_CONSOLE_INFO_QUIET 323 324 #ifndef CONFIG_NOR_BOOT 325 /* Defines for SPL */ 326 #define CONFIG_SPL 327 #define CONFIG_SPL_FRAMEWORK 328 /* 329 * Place the image at the start of the ROM defined image space. 330 * We limit our size to the ROM-defined downloaded image area, and use the 331 * rest of the space for stack. 332 */ 333 #define CONFIG_SPL_TEXT_BASE 0x402F0400 334 #define CONFIG_SPL_MAX_SIZE (0x4030C000 - CONFIG_SPL_TEXT_BASE) 335 #define CONFIG_SPL_STACK CONFIG_SYS_INIT_SP_ADDR 336 337 #define CONFIG_SPL_OS_BOOT 338 339 #define CONFIG_SPL_BSS_START_ADDR 0x80a00000 340 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */ 341 342 #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x300 /* address 0x60000 */ 343 #define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS 0x200 /* 256 KB */ 344 #define CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION 1 345 #define CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME "u-boot.img" 346 347 #ifdef CONFIG_SPL_OS_BOOT 348 /* fat */ 349 #define CONFIG_SPL_FAT_LOAD_KERNEL_NAME "uImage" 350 #define CONFIG_SPL_FAT_LOAD_ARGS_NAME "args" 351 #define CONFIG_SYS_SPL_ARGS_ADDR (PHYS_DRAM_1 + 0x100) 352 353 /* raw mmc */ 354 #define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR 0x900 /* address 0x120000 */ 355 #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR 0x80 /* address 0x10000 */ 356 #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS 0x80 /* 64KiB */ 357 358 /* nand */ 359 #ifdef CONFIG_NAND 360 #define CONFIG_CMD_SPL_NAND_OFS 0x240000 /* end of u-boot */ 361 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x280000 362 #define CONFIG_CMD_SPL_WRITE_SIZE 0x2000 363 #endif 364 365 /* spl export command */ 366 #define CONFIG_CMD_SPL 367 #endif 368 369 #define CONFIG_SPL_MMC_SUPPORT 370 #define CONFIG_SPL_FAT_SUPPORT 371 #define CONFIG_SPL_I2C_SUPPORT 372 373 #define CONFIG_SPL_LIBCOMMON_SUPPORT 374 #define CONFIG_SPL_LIBDISK_SUPPORT 375 #define CONFIG_SPL_LIBGENERIC_SUPPORT 376 #define CONFIG_SPL_SERIAL_SUPPORT 377 #define CONFIG_SPL_GPIO_SUPPORT 378 #define CONFIG_SPL_YMODEM_SUPPORT 379 #define CONFIG_SPL_NET_SUPPORT 380 #define CONFIG_SPL_ENV_SUPPORT 381 #define CONFIG_SPL_NET_VCI_STRING "AM335x U-Boot SPL" 382 #define CONFIG_SPL_ETH_SUPPORT 383 #define CONFIG_SPL_SPI_SUPPORT 384 #define CONFIG_SPL_SPI_FLASH_SUPPORT 385 #define CONFIG_SPL_SPI_LOAD 386 #define CONFIG_SPL_SPI_BUS 0 387 #define CONFIG_SPL_SPI_CS 0 388 #define CONFIG_SYS_SPI_U_BOOT_OFFS 0x20000 389 #define CONFIG_SPL_MUSB_NEW_SUPPORT 390 #define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/am33xx/u-boot-spl.lds" 391 392 #define CONFIG_SPL_BOARD_INIT 393 394 #ifdef CONFIG_NAND 395 #define CONFIG_SPL_NAND_AM33XX_BCH 396 #define CONFIG_SPL_NAND_SUPPORT 397 #define CONFIG_SPL_NAND_BASE 398 #define CONFIG_SPL_NAND_DRIVERS 399 #define CONFIG_SPL_NAND_ECC 400 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 401 #define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \ 402 CONFIG_SYS_NAND_PAGE_SIZE) 403 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 404 #define CONFIG_SYS_NAND_OOBSIZE 64 405 #define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024) 406 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 407 #define CONFIG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, \ 408 10, 11, 12, 13, 14, 15, 16, 17, \ 409 18, 19, 20, 21, 22, 23, 24, 25, \ 410 26, 27, 28, 29, 30, 31, 32, 33, \ 411 34, 35, 36, 37, 38, 39, 40, 41, \ 412 42, 43, 44, 45, 46, 47, 48, 49, \ 413 50, 51, 52, 53, 54, 55, 56, 57, } 414 415 #define CONFIG_SYS_NAND_ECCSIZE 512 416 #define CONFIG_SYS_NAND_ECCBYTES 14 417 418 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 419 420 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000 421 #endif 422 #endif 423 424 /* 425 * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM 426 * 64 bytes before this address should be set aside for u-boot.img's 427 * header. That is 0x800FFFC0--0x80100000 should not be used for any 428 * other needs. 429 */ 430 #ifdef CONFIG_NOR_BOOT 431 #define CONFIG_SYS_TEXT_BASE 0x08000000 432 #else 433 #define CONFIG_SYS_TEXT_BASE 0x80800000 434 #endif 435 #define CONFIG_SYS_SPL_MALLOC_START 0x80a08000 436 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000 437 438 /* Since SPL did pll and ddr initialization for us, 439 * we don't need to do it twice. 440 */ 441 #if !defined(CONFIG_SPL_BUILD) && !defined(CONFIG_NOR_BOOT) 442 #define CONFIG_SKIP_LOWLEVEL_INIT 443 #endif 444 445 /* 446 * USB configuration 447 */ 448 #define CONFIG_USB_MUSB_DSPS 449 #define CONFIG_ARCH_MISC_INIT 450 #define CONFIG_MUSB_GADGET 451 #define CONFIG_MUSB_PIO_ONLY 452 #define CONFIG_MUSB_DISABLE_BULK_COMBINE_SPLIT 453 #define CONFIG_USB_GADGET_DUALSPEED 454 #define CONFIG_USB_GADGET_VBUS_DRAW 2 455 #define CONFIG_MUSB_HOST 456 #define CONFIG_AM335X_USB0 457 #define CONFIG_AM335X_USB0_MODE MUSB_PERIPHERAL 458 #define CONFIG_AM335X_USB1 459 #define CONFIG_AM335X_USB1_MODE MUSB_HOST 460 461 #ifdef CONFIG_MUSB_HOST 462 #define CONFIG_CMD_USB 463 #define CONFIG_USB_STORAGE 464 #endif 465 466 #ifdef CONFIG_MUSB_GADGET 467 #define CONFIG_USB_ETHER 468 #define CONFIG_USB_ETH_RNDIS 469 #define CONFIG_USBNET_HOST_ADDR "de:ad:be:af:00:00" 470 #endif /* CONFIG_MUSB_GADGET */ 471 472 #if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_USBETH_SUPPORT) 473 /* disable host part of MUSB in SPL */ 474 #undef CONFIG_MUSB_HOST 475 /* 476 * Disable CPSW SPL support so we fit within the 101KiB limit. 477 */ 478 #undef CONFIG_SPL_ETH_SUPPORT 479 #endif 480 481 /* 482 * Default to using SPI for environment, etc. 483 * 0x000000 - 0x020000 : SPL (128KiB) 484 * 0x020000 - 0x0A0000 : U-Boot (512KiB) 485 * 0x0A0000 - 0x0BFFFF : First copy of U-Boot Environment (128KiB) 486 * 0x0C0000 - 0x0DFFFF : Second copy of U-Boot Environment (128KiB) 487 * 0x0E0000 - 0x442000 : Linux Kernel 488 * 0x442000 - 0x800000 : Userland 489 */ 490 #if defined(CONFIG_SPI_BOOT) 491 #define CONFIG_ENV_IS_IN_SPI_FLASH 492 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT 493 #define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED 494 #define CONFIG_ENV_SECT_SIZE (4 << 10) /* 4 KB sectors */ 495 #define CONFIG_ENV_OFFSET (768 << 10) /* 768 KiB in */ 496 #define CONFIG_ENV_OFFSET_REDUND (896 << 10) /* 896 KiB in */ 497 #define CONFIG_CMD_MTDPARTS 498 #define MTDIDS_DEFAULT "nor0=m25p80-flash.0" 499 #define MTDPARTS_DEFAULT "mtdparts=m25p80-flash.0:128k(SPL)," \ 500 "512k(u-boot),128k(u-boot-env1)," \ 501 "128k(u-boot-env2),3464k(kernel)," \ 502 "-(rootfs)" 503 #endif /* SPI support */ 504 505 /* Unsupported features */ 506 #undef CONFIG_USE_IRQ 507 508 #define CONFIG_CMD_NET 509 #define CONFIG_CMD_DHCP 510 #define CONFIG_CMD_PING 511 #define CONFIG_DRIVER_TI_CPSW 512 #define CONFIG_MII 513 #define CONFIG_BOOTP_DEFAULT 514 #define CONFIG_BOOTP_DNS 515 #define CONFIG_BOOTP_DNS2 516 #define CONFIG_BOOTP_SEND_HOSTNAME 517 #define CONFIG_BOOTP_GATEWAY 518 #define CONFIG_BOOTP_SUBNETMASK 519 #define CONFIG_NET_RETRY_COUNT 10 520 #define CONFIG_NET_MULTI 521 #define CONFIG_PHY_GIGE 522 #define CONFIG_PHYLIB 523 #define CONFIG_PHY_ADDR 0 524 #define CONFIG_PHY_SMSC 525 526 /* NAND support */ 527 #ifdef CONFIG_NAND 528 #define CONFIG_CMD_NAND 529 #define CONFIG_CMD_MTDPARTS 530 #define CONFIG_NAND_OMAP_GPMC 531 #define GPMC_NAND_ECC_LP_x16_LAYOUT 1 532 #define CONFIG_SYS_NAND_BASE (0x08000000) /* physical address */ 533 /* to access nand at */ 534 /* CS0 */ 535 #define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND 536 devices */ 537 #if !defined(CONFIG_SPI_BOOT) && !defined(CONFIG_NOR_BOOT) 538 #define MTDIDS_DEFAULT "nand0=omap2-nand.0" 539 #define MTDPARTS_DEFAULT "mtdparts=omap2-nand.0:128k(SPL)," \ 540 "128k(SPL.backup1)," \ 541 "128k(SPL.backup2)," \ 542 "128k(SPL.backup3),1792k(u-boot)," \ 543 "128k(u-boot-spl-os)," \ 544 "128k(u-boot-env),5m(kernel),-(rootfs)" 545 #define CONFIG_ENV_IS_IN_NAND 546 #define CONFIG_ENV_OFFSET 0x260000 /* environment starts here */ 547 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */ 548 #endif 549 #endif 550 551 /* 552 * NOR Size = 16 MiB 553 * Number of Sectors/Blocks = 128 554 * Sector Size = 128 KiB 555 * Word length = 16 bits 556 * Default layout: 557 * 0x000000 - 0x07FFFF : U-Boot (512 KiB) 558 * 0x080000 - 0x09FFFF : First copy of U-Boot Environment (128 KiB) 559 * 0x0A0000 - 0x0BFFFF : Second copy of U-Boot Environment (128 KiB) 560 * 0x0C0000 - 0x4BFFFF : Linux Kernel (4 MiB) 561 * 0x4C0000 - 0xFFFFFF : Userland (11 MiB + 256 KiB) 562 */ 563 #if defined(CONFIG_NOR) 564 #undef CONFIG_SYS_NO_FLASH 565 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 566 #define CONFIG_SYS_FLASH_PROTECTION 567 #define CONFIG_SYS_FLASH_CFI 568 #define CONFIG_FLASH_CFI_DRIVER 569 #define CONFIG_FLASH_CFI_MTD 570 #define CONFIG_SYS_MAX_FLASH_SECT 128 571 #define CONFIG_SYS_MAX_FLASH_BANKS 1 572 #define CONFIG_SYS_FLASH_BASE (0x08000000) 573 #define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_16BIT 574 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE 575 #ifdef CONFIG_NOR_BOOT 576 #define CONFIG_ENV_IS_IN_FLASH 577 #define CONFIG_ENV_SECT_SIZE (128 << 10) /* 128 KiB */ 578 #define CONFIG_ENV_OFFSET (512 << 10) /* 512 KiB */ 579 #define CONFIG_ENV_OFFSET_REDUND (768 << 10) /* 768 KiB */ 580 #define CONFIG_CMD_MTDPARTS 581 #define MTDIDS_DEFAULT "nor0=physmap-flash.0" 582 #define MTDPARTS_DEFAULT "mtdparts=physmap-flash.0:" \ 583 "512k(u-boot)," \ 584 "128k(u-boot-env1)," \ 585 "128k(u-boot-env2)," \ 586 "4m(kernel),-(rootfs)" 587 #endif 588 #define CONFIG_MTD_DEVICE 589 #define CONFIG_CMD_FLASH 590 #endif /* NOR support */ 591 592 #endif /* ! __CONFIG_AM335X_EVM_H */ 593