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   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_SYS_BOOTCOUNT_BE
 343
 344 /* USB gadget RNDIS */
 345 #endif
 346
 347 #ifdef CONFIG_NAND
 348 /* NAND: device related configs */
 349 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
 350 #define CONFIG_SYS_NAND_PAGE_COUNT      (CONFIG_SYS_NAND_BLOCK_SIZE / \
 351                                          CONFIG_SYS_NAND_PAGE_SIZE)
 352 #define CONFIG_SYS_NAND_PAGE_SIZE       2048
 353 #define CONFIG_SYS_NAND_OOBSIZE         64
 354 #define CONFIG_SYS_NAND_BLOCK_SIZE      (128*1024)
 355 /* NAND: driver related configs */
 356 #define CONFIG_SYS_NAND_BAD_BLOCK_POS   NAND_LARGE_BADBLOCK_POS
 357 #define CONFIG_SYS_NAND_ECCPOS  { \
 358         2, 3, 4, 5, 6, 7, 8, 9, \
 359         10, 11, 12, 13, 14, 15, 16, 17, \
 360         18, 19, 20, 21, 22, 23, 24, 25, \
 361         26, 27, 28, 29, 30, 31, 32, 33, \
 362         34, 35, 36, 37, 38, 39, 40, 41, \
 363         42, 43, 44, 45, 46, 47, 48, 49, \
 364         50, 51, 52, 53, 54, 55, 56, 57, }
 365
 366 #define CONFIG_SYS_NAND_ECCSIZE         512
 367 #define CONFIG_SYS_NAND_ECCBYTES        14
 368 #define CONFIG_SYS_NAND_ONFI_DETECTION
 369 #define CONFIG_NAND_OMAP_ECCSCHEME      OMAP_ECC_BCH8_CODE_HW
 370 #define CONFIG_SYS_NAND_U_BOOT_OFFS     0x000c0000
 371 #define CONFIG_ENV_OFFSET               0x001c0000
 372 #define CONFIG_ENV_OFFSET_REDUND        0x001e0000
 373 #define CONFIG_SYS_ENV_SECT_SIZE        CONFIG_SYS_NAND_BLOCK_SIZE
 374 /* NAND: SPL related configs */
 375 #ifdef CONFIG_SPL_OS_BOOT
 376 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x00200000 /* kernel offset */
 377 #endif
 378 #endif /* !CONFIG_NAND */
 379
 380 /*
 381  * For NOR boot, we must set this to the start of where NOR is mapped
 382  * in memory.
 383  */
 384
 385 /*
 386  * USB configuration.  We enable MUSB support, both for host and for
 387  * gadget.  We set USB0 as peripheral and USB1 as host, based on the
 388  * board schematic and physical port wired to each.  Then for host we
 389  * add mass storage support and for gadget we add both RNDIS ethernet
 390  * and DFU.
 391  */
 392 #define CONFIG_USB_MUSB_DISABLE_BULK_COMBINE_SPLIT
 393 #define CONFIG_AM335X_USB0
 394 #define CONFIG_AM335X_USB0_MODE MUSB_PERIPHERAL
 395 #define CONFIG_AM335X_USB1
 396 #define CONFIG_AM335X_USB1_MODE MUSB_HOST
 397
 398 #if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_USB_ETHER)
 399 /* disable host part of MUSB in SPL */
 400 /* disable EFI partitions and partition UUID support */
 401 #endif
 402
 403 /* USB Device Firmware Update support */
 404 #ifndef CONFIG_SPL_BUILD
 405 #define DFU_ALT_INFO_MMC \
 406         "dfu_alt_info_mmc=" \
 407         "boot part 0 1;" \
 408         "rootfs part 0 2;" \
 409         "MLO fat 0 1;" \
 410         "MLO.raw raw 0x100 0x100;" \
 411         "u-boot.img.raw raw 0x300 0x400;" \
 412         "spl-os-args.raw raw 0x80 0x80;" \
 413         "spl-os-image.raw raw 0x900 0x2000;" \
 414         "spl-os-args fat 0 1;" \
 415         "spl-os-image fat 0 1;" \
 416         "u-boot.img fat 0 1;" \
 417         "uEnv.txt fat 0 1\0"
 418 #ifdef CONFIG_NAND
 419 #define DFU_ALT_INFO_NAND \
 420         "dfu_alt_info_nand=" \
 421         "SPL part 0 1;" \
 422         "SPL.backup1 part 0 2;" \
 423         "SPL.backup2 part 0 3;" \
 424         "SPL.backup3 part 0 4;" \
 425         "u-boot part 0 5;" \
 426         "u-boot-spl-os part 0 6;" \
 427         "kernel part 0 8;" \
 428         "rootfs part 0 9\0"
 429 #else
 430 #define DFU_ALT_INFO_NAND ""
 431 #endif
 432 #define DFU_ALT_INFO_RAM \
 433         "dfu_alt_info_ram=" \
 434         "kernel ram 0x80200000 0xD80000;" \
 435         "fdt ram 0x80F80000 0x80000;" \
 436         "ramdisk ram 0x81000000 0x4000000\0"
 437 #define DFUARGS \
 438         "dfu_alt_info_emmc=rawemmc raw 0 3751936\0" \
 439         DFU_ALT_INFO_MMC \
 440         DFU_ALT_INFO_RAM \
 441         DFU_ALT_INFO_NAND
 442 #endif
 443
 444 /*
 445  * Default to using SPI for environment, etc.
 446  * 0x000000 - 0x020000 : SPL (128KiB)
 447  * 0x020000 - 0x0A0000 : U-Boot (512KiB)
 448  * 0x0A0000 - 0x0BFFFF : First copy of U-Boot Environment (128KiB)
 449  * 0x0C0000 - 0x0DFFFF : Second copy of U-Boot Environment (128KiB)
 450  * 0x0E0000 - 0x442000 : Linux Kernel
 451  * 0x442000 - 0x800000 : Userland
 452  */
 453 #if defined(CONFIG_SPI_BOOT)
 454 /* SPL related */
 455 #define CONFIG_SPL_SPI_LOAD
 456 #define CONFIG_SYS_SPI_U_BOOT_OFFS      0x20000
 457
 458 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT
 459 #define CONFIG_ENV_SPI_MAX_HZ           CONFIG_SF_DEFAULT_SPEED
 460 #define CONFIG_ENV_SECT_SIZE            (4 << 10) /* 4 KB sectors */
 461 #define CONFIG_ENV_OFFSET               (768 << 10) /* 768 KiB in */
 462 #define CONFIG_ENV_OFFSET_REDUND        (896 << 10) /* 896 KiB in */
 463 #elif defined(CONFIG_EMMC_BOOT)
 464 #define CONFIG_SYS_MMC_ENV_DEV          1
 465 #define CONFIG_SYS_MMC_ENV_PART         2
 466 #define CONFIG_ENV_OFFSET               0x0
 467 #define CONFIG_ENV_OFFSET_REDUND        (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)
 468 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT
 469 #endif
 470
 471 /* SPI flash. */
 472 #define CONFIG_SF_DEFAULT_SPEED         24000000
 473
 474 /* Network. */
 475 #define CONFIG_PHY_SMSC
 476
 477 /*
 478  * NOR Size = 16 MiB
 479  * Number of Sectors/Blocks = 128
 480  * Sector Size = 128 KiB
 481  * Word length = 16 bits
 482  * Default layout:
 483  * 0x000000 - 0x07FFFF : U-Boot (512 KiB)
 484  * 0x080000 - 0x09FFFF : First copy of U-Boot Environment (128 KiB)
 485  * 0x0A0000 - 0x0BFFFF : Second copy of U-Boot Environment (128 KiB)
 486  * 0x0C0000 - 0x4BFFFF : Linux Kernel (4 MiB)
 487  * 0x4C0000 - 0xFFFFFF : Userland (11 MiB + 256 KiB)
 488  */
 489 #if defined(CONFIG_NOR)
 490 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE
 491 #define CONFIG_SYS_FLASH_PROTECTION
 492 #define CONFIG_SYS_FLASH_CFI
 493 #define CONFIG_FLASH_CFI_DRIVER
 494 #define CONFIG_FLASH_CFI_MTD
 495 #define CONFIG_SYS_MAX_FLASH_SECT       128
 496 #define CONFIG_SYS_MAX_FLASH_BANKS      1
 497 #define CONFIG_SYS_FLASH_BASE           (0x08000000)
 498 #define CONFIG_SYS_FLASH_CFI_WIDTH      FLASH_CFI_16BIT
 499 #define CONFIG_SYS_FLASH_SIZE           0x01000000
 500 #define CONFIG_SYS_MONITOR_BASE         CONFIG_SYS_FLASH_BASE
 501 /* Reduce SPL size by removing unlikey targets */
 502 #ifdef CONFIG_NOR_BOOT
 503 #define CONFIG_ENV_SECT_SIZE            (128 << 10)     /* 128 KiB */
 504 #define CONFIG_ENV_OFFSET               (512 << 10)     /* 512 KiB */
 505 #define CONFIG_ENV_OFFSET_REDUND        (768 << 10)     /* 768 KiB */
 506 #endif
 507 #endif  /* NOR support */
 508
 509 #endif  /* ! __CONFIG_AM335X_EVM_H */