1 /* 2 * bav335x.h 3 * 4 * Copyright (c) 2012-2014 Birdland Audio - http://birdland.com/oem 5 * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/ 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License as 9 * published by the Free Software Foundation version 2. 10 * 11 * This program is distributed "as is" WITHOUT ANY WARRANTY of any 12 * kind, whether express or implied; without even the implied warranty 13 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 */ 16 17 #ifndef __CONFIG_BAV335X_H 18 #define __CONFIG_BAV335X_H 19 20 #include <configs/ti_am335x_common.h> 21 22 #ifndef CONFIG_SPL_BUILD 23 # define CONFIG_TIMESTAMP 24 #endif 25 26 #define CONFIG_SYS_BOOTM_LEN (16 << 20) 27 28 #define CONFIG_MACH_TYPE MACH_TYPE_AM335XEVM 29 30 /* Clock Defines */ 31 #define V_OSCK 24000000 /* Clock output from T2 */ 32 #define V_SCLK (V_OSCK) 33 34 /* Custom script for NOR */ 35 #define CONFIG_SYS_LDSCRIPT "board/birdland/bav335x/u-boot.lds" 36 37 /* Always 128 KiB env size */ 38 #define CONFIG_ENV_SIZE (128 << 10) 39 40 #ifdef CONFIG_NAND 41 #define NANDARGS \ 42 "mtdids=" CONFIG_MTDIDS_DEFAULT "\0" \ 43 "mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \ 44 "nandargs=setenv bootargs console=${console} " \ 45 "${optargs} " \ 46 "root=${nandroot} " \ 47 "rootfstype=${nandrootfstype}\0" \ 48 "nandroot=ubi0:rootfs rw ubi.mtd=9,2048\0" \ 49 "nandrootfstype=ubifs rootwait=1\0" \ 50 "nandboot=echo Booting from nand ...; " \ 51 "run nandargs; " \ 52 "nand read ${fdtaddr} u-boot-spl-os; " \ 53 "nand read ${loadaddr} kernel; " \ 54 "bootz ${loadaddr} - ${fdtaddr}\0" 55 #else 56 #define NANDARGS "" 57 #endif 58 59 #define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG 60 61 #ifndef CONFIG_SPL_BUILD 62 #define CONFIG_EXTRA_ENV_SETTINGS \ 63 DEFAULT_LINUX_BOOT_ENV \ 64 "boot_fdt=try\0" \ 65 "bootpart=0:2\0" \ 66 "bootdir=\0" \ 67 "fdtdir=/dtbs\0" \ 68 "bootfile=zImage\0" \ 69 "fdtfile=undefined\0" \ 70 "console=ttyO0,115200n8\0" \ 71 "loadaddr=0x82000000\0" \ 72 "fdtaddr=0x88000000\0" \ 73 "rdaddr=0x88080000\0" \ 74 "initrd_high=0xffffffff\0" \ 75 "fdt_high=0xffffffff\0" \ 76 "partitions=" \ 77 "uuid_disk=${uuid_gpt_disk};" \ 78 "name=rootfs,start=2MiB,size=-,uuid=${uuid_gpt_rootfs}\0" \ 79 "optargs=\0" \ 80 "cmdline=\0" \ 81 "mmcdev=0\0" \ 82 "mmcpart=1\0" \ 83 "mmcroot=/dev/mmcblk0p2 ro\0" \ 84 "mmcrootfstype=ext4 rootwait fixrtc\0" \ 85 "rootpath=/export/rootfs\0" \ 86 "nfsopts=nolock\0" \ 87 "static_ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off\0" \ 88 "ramroot=/dev/ram0 rw\0" \ 89 "ramrootfstype=ext2\0" \ 90 "mmcargs=setenv bootargs console=${console} ${optargs} " \ 91 "root=${mmcroot} rootfstype=${mmcrootfstype} ${cmdline}\0" \ 92 "server_ip=192.168.1.100\0" \ 93 "gw_ip=192.168.1.1\0" \ 94 "netmask=255.255.255.0\0" \ 95 "hostname=\0" \ 96 "device=eth0\0" \ 97 "autoconf=off\0" \ 98 "root_dir=/home/userid/targetNFS\0" \ 99 "nfs_options=,vers=3\0" \ 100 "nfsrootfstype=ext4 rootwait fixrtc\0" \ 101 "nfsargs=setenv bootargs console=${console} ${optargs} " \ 102 "root=/dev/nfs rw rootfstype=${nfsrootfstype} " \ 103 "nfsroot=${nfsroot} ip=${ip} ${cmdline}\0" \ 104 "netargs=setenv bootargs console=${console} " \ 105 "${optargs} root=/dev/nfs " \ 106 "nfsroot=${serverip}:${rootpath},${nfsopts} rw ip=dhcp\0" \ 107 "bootenv=uEnv.txt\0" \ 108 "script=boot.scr\0" \ 109 "scriptfile=${script}\0" \ 110 "loadbootscript=load mmc ${bootpart} ${loadaddr} ${scriptfile};\0" \ 111 "bootscript=echo Running bootscript from mmc${bootpart} ...; " \ 112 "source ${loadaddr}\0" \ 113 "loadbootenv=load mmc ${bootpart} ${loadaddr} ${bootenv}\0" \ 114 "importbootenv=echo Importing environment from mmc ...; " \ 115 "env import -t -r $loadaddr $filesize\0" \ 116 "ramargs=setenv bootargs console=${console} " \ 117 "${optargs} root=${ramroot} rootfstype=${ramrootfstype}\0" \ 118 "loadramdisk=load mmc ${mmcdev} ${rdaddr} ramdisk.gz\0" \ 119 "loadimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \ 120 "loadrd=load mmc ${bootpart} ${rdaddr} " \ 121 "${bootdir}/${rdfile}; setenv rdsize ${filesize}\0" \ 122 "loadfdt=echo loading ${fdtdir}/${fdtfile} ...; " \ 123 "load mmc ${bootpart} ${fdtaddr} ${fdtdir}/${fdtfile}\0" \ 124 "mmcboot=mmc dev ${mmcdev}; " \ 125 "if mmc rescan; then " \ 126 "gpio set 54;" \ 127 "setenv bootpart ${mmcdev}:1; " \ 128 "if test -e mmc ${bootpart} /etc/fstab; then " \ 129 "setenv mmcpart 1;" \ 130 "fi; " \ 131 "echo Checking for: /uEnv.txt ...;" \ 132 "if test -e mmc ${bootpart} /uEnv.txt; then " \ 133 "if run loadbootenv; then " \ 134 "gpio set 55;" \ 135 "echo Loaded environment from ${bootenv};" \ 136 "run importbootenv;" \ 137 "fi;" \ 138 "echo Checking if uenvcmd is set ...;" \ 139 "if test -n ${uenvcmd}; then " \ 140 "gpio set 56; " \ 141 "echo Running uenvcmd ...;" \ 142 "run uenvcmd;" \ 143 "fi;" \ 144 "echo Checking if client_ip is set ...;" \ 145 "if test -n ${client_ip}; then " \ 146 "if test -n ${dtb}; then " \ 147 "setenv fdtfile ${dtb};" \ 148 "echo using ${fdtfile} ...;" \ 149 "fi;" \ 150 "gpio set 56; " \ 151 "if test -n ${uname_r}; then " \ 152 "echo Running nfsboot_uname_r ...;" \ 153 "run nfsboot_uname_r;" \ 154 "fi;" \ 155 "echo Running nfsboot ...;" \ 156 "run nfsboot;" \ 157 "fi;" \ 158 "fi; " \ 159 "echo Checking for: /${script} ...;" \ 160 "if test -e mmc ${bootpart} /${script}; then " \ 161 "gpio set 55;" \ 162 "setenv scriptfile ${script};" \ 163 "run loadbootscript;" \ 164 "echo Loaded script from ${scriptfile};" \ 165 "gpio set 56; " \ 166 "run bootscript;" \ 167 "fi; " \ 168 "echo Checking for: /boot/${script} ...;" \ 169 "if test -e mmc ${bootpart} /boot/${script}; then " \ 170 "gpio set 55;" \ 171 "setenv scriptfile /boot/${script};" \ 172 "run loadbootscript;" \ 173 "echo Loaded script from ${scriptfile};" \ 174 "gpio set 56; " \ 175 "run bootscript;" \ 176 "fi; " \ 177 "echo Checking for: /boot/uEnv.txt ...;" \ 178 "for i in 1 2 3 4 5 6 7 ; do " \ 179 "setenv mmcpart ${i};" \ 180 "setenv bootpart ${mmcdev}:${mmcpart};" \ 181 "if test -e mmc ${bootpart} /boot/uEnv.txt; then " \ 182 "gpio set 55;" \ 183 "load mmc ${bootpart} ${loadaddr} " \ 184 "/boot/uEnv.txt;" \ 185 "env import -t ${loadaddr} ${filesize};" \ 186 "echo Loaded environment from /boot/uEnv.txt;" \ 187 "if test -n ${dtb}; then " \ 188 "setenv fdtfile ${dtb};" \ 189 "echo Using: dtb=${fdtfile} ...;" \ 190 "fi;" \ 191 "echo Checking if uname_r is set in " \ 192 "/boot/uEnv.txt...;" \ 193 "if test -n ${uname_r}; then " \ 194 "gpio set 56; " \ 195 "echo Running uname_boot ...;" \ 196 "setenv mmcroot /dev/mmcblk${mmcdev}" \ 197 "p${mmcpart} ro;" \ 198 "run uname_boot;" \ 199 "fi;" \ 200 "fi;" \ 201 "done;" \ 202 "fi;\0" \ 203 "netboot=echo Booting from network ...; " \ 204 "setenv autoload no; " \ 205 "dhcp; " \ 206 "tftp ${loadaddr} ${bootfile}; " \ 207 "tftp ${fdtaddr} ${fdtfile}; " \ 208 "run netargs; " \ 209 "bootz ${loadaddr} - ${fdtaddr}\0" \ 210 "nfsboot=echo Booting from ${server_ip} ...; " \ 211 "setenv nfsroot ${server_ip}:${root_dir}${nfs_options}; " \ 212 "setenv ip ${client_ip}:${server_ip}:${gw_ip}:${netmask}:${hostname}" \ 213 ":${device}:${autoconf}; " \ 214 "setenv autoload no; " \ 215 "setenv serverip ${server_ip}; " \ 216 "setenv ipaddr ${client_ip}; " \ 217 "tftp ${loadaddr} ${bootfile}; " \ 218 "tftp ${fdtaddr} dtbs/${fdtfile}; " \ 219 "run nfsargs; " \ 220 "bootz ${loadaddr} - ${fdtaddr}\0" \ 221 "nfsboot_uname_r=echo Booting from ${server_ip} ...; " \ 222 "setenv nfsroot ${server_ip}:${root_dir}${nfs_options}; " \ 223 "setenv ip ${client_ip}:${server_ip}:${gw_ip}:${netmask}:${hostname}" \ 224 ":${device}:${autoconf}; " \ 225 "setenv autoload no; " \ 226 "setenv serverip ${server_ip}; " \ 227 "setenv ipaddr ${client_ip}; " \ 228 "tftp ${loadaddr} vmlinuz-${uname_r}; " \ 229 "tftp ${fdtaddr} dtbs/${uname_r}/${fdtfile}; " \ 230 "run nfsargs; " \ 231 "bootz ${loadaddr} - ${fdtaddr}\0" \ 232 "ramboot=echo Booting from ramdisk ...; " \ 233 "run ramargs; " \ 234 "bootz ${loadaddr} ${rdaddr} ${fdtaddr}\0" \ 235 "findfdt="\ 236 "if test $board_rev = B; then " \ 237 "setenv fdtfile birdland_bav335b.dtb; " \ 238 "setenv fdtbase am335x-boneblack; fi; " \ 239 "if test $board_rev = A; then " \ 240 "setenv fdtfile birdland_bav335a.dtb; " \ 241 "setenv fdtbase am335x-boneblack; fi; " \ 242 "if test $fdtfile = undefined; then " \ 243 "echo WARNING: Could not determine device tree to use; fi; \0" \ 244 "uname_boot="\ 245 "setenv bootdir /boot; " \ 246 "setenv bootfile vmlinuz-${uname_r}; " \ 247 "if test -e mmc ${bootpart} ${bootdir}/${bootfile}; then " \ 248 "echo loading ${bootdir}/${bootfile} ...; "\ 249 "run loadimage;" \ 250 "setenv fdtdir /boot/dtbs/${uname_r}; " \ 251 "if test -e mmc ${bootpart} ${fdtdir}/${fdtfile}; then " \ 252 "run loadfdt;" \ 253 "else " \ 254 "setenv fdtdir /lib/firmware/${uname_r}/device-tree; " \ 255 "if test -e mmc ${bootpart} ${fdtdir}/" \ 256 "${fdtfile}; then " \ 257 "run loadfdt;" \ 258 "else " \ 259 "setenv fdtdir /boot/dtb-${uname_r}; " \ 260 "if test -e mmc ${bootpart} ${fdtdir}" \ 261 "/${fdtfile}; then " \ 262 "run loadfdt;" \ 263 "else " \ 264 "setenv fdtdir /boot/dtbs; " \ 265 "if test -e mmc ${bootpart} ${fdtdir}" \ 266 "/${fdtfile}; then " \ 267 "run loadfdt;" \ 268 "else " \ 269 "echo; echo unable to find " \ 270 "[${fdtfile}] " \ 271 "did you name it correctly?" \ 272 "echo booting fallback " \ 273 "[/boot/dtbs/" \ 274 "${uname_r}" \ 275 "/${fdtbase}.dtb]...;" \ 276 "setenv fdtdir /boot/dtbs/" \ 277 "${uname_r}; " \ 278 "setenv fdtfile " \ 279 "${fdtbase}.dtb; " \ 280 "run loadfdt;" \ 281 "fi;" \ 282 "fi;" \ 283 "fi;" \ 284 "fi;" \ 285 "fi; " \ 286 "setenv rdfile initrd.img-${uname_r}; " \ 287 "if test -e mmc ${bootpart} ${bootdir}/${rdfile}; then " \ 288 "echo loading ${bootdir}/${rdfile} ...; "\ 289 "run loadrd;" \ 290 "if test -n ${uuid}; then " \ 291 "setenv mmcroot UUID=${uuid} ro;" \ 292 "fi;" \ 293 "run mmcargs;" \ 294 "echo debug: [${bootargs}] ... ;" \ 295 "echo debug: [bootz ${loadaddr} ${rdaddr}:${rdsize} " \ 296 "${fdtaddr}] ... ;" \ 297 "bootz ${loadaddr} ${rdaddr}:${rdsize} ${fdtaddr}; " \ 298 "else " \ 299 "run mmcargs;" \ 300 "echo debug: [${bootargs}] ... ;" \ 301 "echo debug: [bootz ${loadaddr} - ${fdtaddr}] ... ;" \ 302 "bootz ${loadaddr} - ${fdtaddr}; " \ 303 "fi;" \ 304 "fi;\0" \ 305 NANDARGS \ 306 DFUARGS 307 #endif 308 309 #define CONFIG_BOOTCOMMAND \ 310 "gpio set 53; " \ 311 "i2c mw 0x24 1 0x3e; " \ 312 "run findfdt; " \ 313 "setenv mmcdev 0; " \ 314 "setenv bootpart 0:1; " \ 315 "run mmcboot;" \ 316 "gpio clear 56; " \ 317 "gpio clear 55; " \ 318 "gpio clear 54; " \ 319 "setenv mmcdev 1; " \ 320 "setenv bootpart 1:1; " \ 321 "run mmcboot;" 322 323 /* NS16550 Configuration */ 324 #define CONFIG_SYS_NS16550_COM1 0x44e09000 /* UART0 */ 325 #define CONFIG_SYS_NS16550_COM2 0x48022000 /* UART1 */ 326 #define CONFIG_SYS_NS16550_COM3 0x48024000 /* UART2 */ 327 #define CONFIG_SYS_NS16550_COM4 0x481a6000 /* UART3 */ 328 #define CONFIG_SYS_NS16550_COM5 0x481a8000 /* UART4 */ 329 #define CONFIG_SYS_NS16550_COM6 0x481aa000 /* UART5 */ 330 331 #define CONFIG_ENV_EEPROM_IS_ON_I2C 332 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* Main EEPROM */ 333 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 334 335 /* PMIC support */ 336 #define CONFIG_POWER_TPS65217 337 #define CONFIG_POWER_TPS65910 338 339 /* SPL */ 340 #ifndef CONFIG_NOR_BOOT 341 /* Bootcount using the RTC block */ 342 #define CONFIG_BOOTCOUNT_LIMIT 343 #define CONFIG_BOOTCOUNT_AM33XX 344 #define CONFIG_SYS_BOOTCOUNT_BE 345 346 /* USB gadget RNDIS */ 347 #endif 348 349 #ifdef CONFIG_NAND 350 /* NAND: device related configs */ 351 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 352 #define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \ 353 CONFIG_SYS_NAND_PAGE_SIZE) 354 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 355 #define CONFIG_SYS_NAND_OOBSIZE 64 356 #define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024) 357 /* NAND: driver related configs */ 358 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 359 #define CONFIG_SYS_NAND_ECCPOS { \ 360 2, 3, 4, 5, 6, 7, 8, 9, \ 361 10, 11, 12, 13, 14, 15, 16, 17, \ 362 18, 19, 20, 21, 22, 23, 24, 25, \ 363 26, 27, 28, 29, 30, 31, 32, 33, \ 364 34, 35, 36, 37, 38, 39, 40, 41, \ 365 42, 43, 44, 45, 46, 47, 48, 49, \ 366 50, 51, 52, 53, 54, 55, 56, 57, } 367 368 #define CONFIG_SYS_NAND_ECCSIZE 512 369 #define CONFIG_SYS_NAND_ECCBYTES 14 370 #define CONFIG_SYS_NAND_ONFI_DETECTION 371 #define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW 372 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x000c0000 373 #define CONFIG_ENV_OFFSET 0x001c0000 374 #define CONFIG_ENV_OFFSET_REDUND 0x001e0000 375 #define CONFIG_SYS_ENV_SECT_SIZE CONFIG_SYS_NAND_BLOCK_SIZE 376 /* NAND: SPL related configs */ 377 #ifdef CONFIG_SPL_OS_BOOT 378 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x00200000 /* kernel offset */ 379 #endif 380 #endif /* !CONFIG_NAND */ 381 382 /* 383 * For NOR boot, we must set this to the start of where NOR is mapped 384 * in memory. 385 */ 386 #ifdef CONFIG_NOR_BOOT 387 #define CONFIG_SYS_TEXT_BASE 0x08000000 388 #endif 389 390 /* 391 * USB configuration. We enable MUSB support, both for host and for 392 * gadget. We set USB0 as peripheral and USB1 as host, based on the 393 * board schematic and physical port wired to each. Then for host we 394 * add mass storage support and for gadget we add both RNDIS ethernet 395 * and DFU. 396 */ 397 #define CONFIG_USB_MUSB_DISABLE_BULK_COMBINE_SPLIT 398 #define CONFIG_AM335X_USB0 399 #define CONFIG_AM335X_USB0_MODE MUSB_PERIPHERAL 400 #define CONFIG_AM335X_USB1 401 #define CONFIG_AM335X_USB1_MODE MUSB_HOST 402 403 #if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_USBETH_SUPPORT) 404 /* disable host part of MUSB in SPL */ 405 /* disable EFI partitions and partition UUID support */ 406 #endif 407 408 /* USB Device Firmware Update support */ 409 #ifndef CONFIG_SPL_BUILD 410 #define DFU_ALT_INFO_MMC \ 411 "dfu_alt_info_mmc=" \ 412 "boot part 0 1;" \ 413 "rootfs part 0 2;" \ 414 "MLO fat 0 1;" \ 415 "MLO.raw raw 0x100 0x100;" \ 416 "u-boot.img.raw raw 0x300 0x400;" \ 417 "spl-os-args.raw raw 0x80 0x80;" \ 418 "spl-os-image.raw raw 0x900 0x2000;" \ 419 "spl-os-args fat 0 1;" \ 420 "spl-os-image fat 0 1;" \ 421 "u-boot.img fat 0 1;" \ 422 "uEnv.txt fat 0 1\0" 423 #ifdef CONFIG_NAND 424 #define DFU_ALT_INFO_NAND \ 425 "dfu_alt_info_nand=" \ 426 "SPL part 0 1;" \ 427 "SPL.backup1 part 0 2;" \ 428 "SPL.backup2 part 0 3;" \ 429 "SPL.backup3 part 0 4;" \ 430 "u-boot part 0 5;" \ 431 "u-boot-spl-os part 0 6;" \ 432 "kernel part 0 8;" \ 433 "rootfs part 0 9\0" 434 #else 435 #define DFU_ALT_INFO_NAND "" 436 #endif 437 #define DFU_ALT_INFO_RAM \ 438 "dfu_alt_info_ram=" \ 439 "kernel ram 0x80200000 0xD80000;" \ 440 "fdt ram 0x80F80000 0x80000;" \ 441 "ramdisk ram 0x81000000 0x4000000\0" 442 #define DFUARGS \ 443 "dfu_alt_info_emmc=rawemmc raw 0 3751936\0" \ 444 DFU_ALT_INFO_MMC \ 445 DFU_ALT_INFO_RAM \ 446 DFU_ALT_INFO_NAND 447 #endif 448 449 /* 450 * Default to using SPI for environment, etc. 451 * 0x000000 - 0x020000 : SPL (128KiB) 452 * 0x020000 - 0x0A0000 : U-Boot (512KiB) 453 * 0x0A0000 - 0x0BFFFF : First copy of U-Boot Environment (128KiB) 454 * 0x0C0000 - 0x0DFFFF : Second copy of U-Boot Environment (128KiB) 455 * 0x0E0000 - 0x442000 : Linux Kernel 456 * 0x442000 - 0x800000 : Userland 457 */ 458 #if defined(CONFIG_SPI_BOOT) 459 /* SPL related */ 460 #define CONFIG_SPL_SPI_LOAD 461 #define CONFIG_SYS_SPI_U_BOOT_OFFS 0x20000 462 463 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT 464 #define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED 465 #define CONFIG_ENV_SECT_SIZE (4 << 10) /* 4 KB sectors */ 466 #define CONFIG_ENV_OFFSET (768 << 10) /* 768 KiB in */ 467 #define CONFIG_ENV_OFFSET_REDUND (896 << 10) /* 896 KiB in */ 468 #elif defined(CONFIG_EMMC_BOOT) 469 #define CONFIG_SYS_MMC_ENV_DEV 1 470 #define CONFIG_SYS_MMC_ENV_PART 2 471 #define CONFIG_ENV_OFFSET 0x0 472 #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE) 473 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT 474 #endif 475 476 /* SPI flash. */ 477 #define CONFIG_SF_DEFAULT_SPEED 24000000 478 479 /* Network. */ 480 #define CONFIG_PHY_SMSC 481 482 /* 483 * NOR Size = 16 MiB 484 * Number of Sectors/Blocks = 128 485 * Sector Size = 128 KiB 486 * Word length = 16 bits 487 * Default layout: 488 * 0x000000 - 0x07FFFF : U-Boot (512 KiB) 489 * 0x080000 - 0x09FFFF : First copy of U-Boot Environment (128 KiB) 490 * 0x0A0000 - 0x0BFFFF : Second copy of U-Boot Environment (128 KiB) 491 * 0x0C0000 - 0x4BFFFF : Linux Kernel (4 MiB) 492 * 0x4C0000 - 0xFFFFFF : Userland (11 MiB + 256 KiB) 493 */ 494 #if defined(CONFIG_NOR) 495 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 496 #define CONFIG_SYS_FLASH_PROTECTION 497 #define CONFIG_SYS_FLASH_CFI 498 #define CONFIG_FLASH_CFI_DRIVER 499 #define CONFIG_FLASH_CFI_MTD 500 #define CONFIG_SYS_MAX_FLASH_SECT 128 501 #define CONFIG_SYS_MAX_FLASH_BANKS 1 502 #define CONFIG_SYS_FLASH_BASE (0x08000000) 503 #define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_16BIT 504 #define CONFIG_SYS_FLASH_SIZE 0x01000000 505 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE 506 /* Reduce SPL size by removing unlikey targets */ 507 #ifdef CONFIG_NOR_BOOT 508 #define CONFIG_ENV_SECT_SIZE (128 << 10) /* 128 KiB */ 509 #define CONFIG_ENV_OFFSET (512 << 10) /* 512 KiB */ 510 #define CONFIG_ENV_OFFSET_REDUND (768 << 10) /* 768 KiB */ 511 #endif 512 #endif /* NOR support */ 513 514 #endif /* ! __CONFIG_AM335X_EVM_H */ 515