include/configs/siemens-am33x-common.h

   1 /*
   2  * siemens am33x common board options
   3  * (C) Copyright 2013 Siemens Schweiz AG
   4  * (C) Heiko Schocher, DENX Software Engineering, hs@denx.de.
   5  *
   6  * Based on:
   7  * U-Boot file:/include/configs/am335x_evm.h
   8  *
   9  * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
  10  *
  11  * SPDX-License-Identifier:     GPL-2.0+
  12  */
  13
  14 #ifndef __CONFIG_SIEMENS_AM33X_COMMON_H
  15 #define __CONFIG_SIEMENS_AM33X_COMMON_H
  16
  17 #include <asm/arch/omap.h>
  18
  19 #define CONFIG_DMA_COHERENT
  20 #define CONFIG_DMA_COHERENT_SIZE        (1 << 20)
  21
  22 #define CONFIG_ENV_SIZE                 (0x2000)
  23 #define CONFIG_SYS_MALLOC_LEN           (16 * 1024 * 1024)
  24 #define CONFIG_SYS_LONGHELP             /* undef to save memory */
  25 #ifdef CONFIG_SIEMENS_MACH_TYPE
  26 #define CONFIG_MACH_TYPE                CONFIG_SIEMENS_MACH_TYPE
  27 #endif
  28
  29 #define CONFIG_CMDLINE_TAG              /* enable passing of ATAGs */
  30 #define CONFIG_SETUP_MEMORY_TAGS
  31 #define CONFIG_INITRD_TAG
  32
  33 /* commands to include */
  34
  35 #define CONFIG_ENV_VARS_UBOOT_CONFIG
  36 #ifndef CONFIG_SPL_BUILD
  37 #define CONFIG_ROOTPATH         "/opt/eldk"
  38 #endif
  39
  40 #define CONFIG_ENV_OVERWRITE            1
  41
  42 #define CONFIG_SYS_LONGHELP
  43 #define CONFIG_CMDLINE_EDITING
  44 #define CONFIG_AUTO_COMPLETE
  45 #define CONFIG_SYS_AUTOLOAD     "yes"
  46
  47 /* Clock Defines */
  48 #define V_OSCK                          24000000  /* Clock output from T2 */
  49 #define V_SCLK                          (V_OSCK)
  50
  51 /* We set the max number of command args high to avoid HUSH bugs. */
  52 #define CONFIG_SYS_MAXARGS              32
  53
  54 /* Console I/O Buffer Size */
  55 #define CONFIG_SYS_CBSIZE               1024
  56
  57 /* Boot Argument Buffer Size */
  58 #define CONFIG_SYS_BARGSIZE             CONFIG_SYS_CBSIZE
  59
  60 /*
  61  * memtest works on 8 MB in DRAM after skipping 32MB from
  62  * start addr of ram disk
  63  */
  64 #define CONFIG_SYS_MEMTEST_START        (PHYS_DRAM_1 + (64 * 1024 * 1024))
  65 #define CONFIG_SYS_MEMTEST_END          (CONFIG_SYS_MEMTEST_START \
  66                                         + (8 * 1024 * 1024))
  67
  68 #define CONFIG_SYS_LOAD_ADDR            0x81000000 /* Default load address */
  69
  70 #define CONFIG_SPI
  71 #define CONFIG_MTD_DEVICE
  72 #define CONFIG_SF_DEFAULT_SPEED         (75000000)
  73
  74  /* Physical Memory Map */
  75 #define CONFIG_NR_DRAM_BANKS            1               /*  1 bank of DRAM */
  76 #define PHYS_DRAM_1                     0x80000000      /* DRAM Bank #1 */
  77
  78 #define CONFIG_SYS_SDRAM_BASE           PHYS_DRAM_1
  79 #define CONFIG_SYS_INIT_SP_ADDR         (NON_SECURE_SRAM_END - \
  80                                                 GENERATED_GBL_DATA_SIZE)
  81  /* Platform/Board specific defs */
  82 #define CONFIG_SYS_TIMERBASE            0x48040000      /* Use Timer2 */
  83 #define CONFIG_SYS_PTV                  2       /* Divisor: 2^(PTV+1) => 8 */
  84
  85 /* NS16550 Configuration */
  86 #ifdef CONFIG_SPL_BUILD
  87 #define CONFIG_SYS_NS16550_SERIAL
  88 #define CONFIG_SYS_NS16550_REG_SIZE     (-4)
  89 #endif
  90 #define CONFIG_SYS_NS16550_CLK          (48000000)
  91 #define CONFIG_SYS_NS16550_COM1         0x44e09000
  92 #define CONFIG_SYS_NS16550_COM4         0x481a6000
  93
  94 #define CONFIG_SERIAL1                  1
  95 #define CONFIG_CONS_INDEX               1
  96
  97 /* I2C Configuration */
  98 #define CONFIG_I2C
  99 #define CONFIG_SYS_I2C
 100 #define CONFIG_SYS_OMAP24_I2C_SPEED     100000
 101 #define CONFIG_SYS_OMAP24_I2C_SLAVE     1
 102
 103 /* Defines for SPL */
 104 #define CONFIG_SPL_FRAMEWORK
 105 #define CONFIG_SPL_TEXT_BASE            0x402F0400
 106 #define CONFIG_SPL_MAX_SIZE             (SRAM_SCRATCH_SPACE_ADDR - \
 107                                          CONFIG_SPL_TEXT_BASE)
 108
 109 #define CONFIG_SPL_BSS_START_ADDR       0x80000000
 110 #define CONFIG_SPL_BSS_MAX_SIZE         0x80000         /* 512 KB */
 111
 112 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION      1
 113 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img"
 114
 115 #define CONFIG_SPL_SPI_LOAD
 116 #define CONFIG_SYS_SPI_U_BOOT_OFFS      0x20000
 117
 118 #define CONFIG_SPL_NAND_AM33XX_BCH
 119 #define CONFIG_SPL_NAND_BASE
 120 #define CONFIG_SPL_NAND_DRIVERS
 121 #define CONFIG_SPL_NAND_ECC
 122 #define CONFIG_SYS_NAND_ONFI_DETECTION
 123 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
 124 #define CONFIG_SYS_NAND_PAGE_COUNT      (CONFIG_SYS_NAND_BLOCK_SIZE / \
 125                                          CONFIG_SYS_NAND_PAGE_SIZE)
 126 #define CONFIG_SYS_NAND_PAGE_SIZE       2048
 127 #define CONFIG_SYS_NAND_OOBSIZE         64
 128 #define CONFIG_SYS_NAND_BLOCK_SIZE      (128*1024)
 129 #define CONFIG_SYS_NAND_BAD_BLOCK_POS   NAND_LARGE_BADBLOCK_POS
 130 #define CONFIG_SYS_NAND_ECCPOS          { 2, 3, 4, 5, 6, 7, 8, 9, \
 131                                          10, 11, 12, 13, 14, 15, 16, 17, \
 132                                          18, 19, 20, 21, 22, 23, 24, 25, \
 133                                          26, 27, 28, 29, 30, 31, 32, 33, \
 134                                          34, 35, 36, 37, 38, 39, 40, 41, \
 135                                          42, 43, 44, 45, 46, 47, 48, 49, \
 136                                          50, 51, 52, 53, 54, 55, 56, 57, }
 137
 138 #define CONFIG_SYS_NAND_ECCSIZE         512
 139 #define CONFIG_SYS_NAND_ECCBYTES        14
 140 #define CONFIG_NAND_OMAP_ECCSCHEME      OMAP_ECC_BCH8_CODE_HW
 141
 142 #define CONFIG_SYS_NAND_ECCSTEPS        4
 143 #define CONFIG_SYS_NAND_ECCTOTAL        (CONFIG_SYS_NAND_ECCBYTES * \
 144                                                 CONFIG_SYS_NAND_ECCSTEPS)
 145
 146 #define CONFIG_SYS_NAND_U_BOOT_START    CONFIG_SYS_TEXT_BASE
 147
 148 #define CONFIG_SYS_NAND_U_BOOT_OFFS     0x80000
 149
 150 /*
 151  * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM
 152  * 64 bytes before this address should be set aside for u-boot.img's
 153  * header. That is 0x800FFFC0--0x80100000 should not be used for any
 154  * other needs.
 155  */
 156 #define CONFIG_SYS_TEXT_BASE            0x80100000
 157 #define CONFIG_SYS_SPL_MALLOC_START     0x80208000
 158 #define CONFIG_SYS_SPL_MALLOC_SIZE      0x100000
 159
 160 /*
 161  * Since SPL did pll and ddr initialization for us,
 162  * we don't need to do it twice.
 163  */
 164 #ifndef CONFIG_SPL_BUILD
 165 #define CONFIG_SKIP_LOWLEVEL_INIT
 166 #endif
 167
 168 #ifndef CONFIG_SPL_BUILD
 169 /*
 170  * USB configuration
 171  */
 172 #define CONFIG_USB_MUSB_DSPS
 173 #define CONFIG_USB_MUSB_PIO_ONLY
 174 #define CONFIG_USB_MUSB_DISABLE_BULK_COMBINE_SPLIT
 175
 176 #define CONFIG_AM335X_USB0
 177 #define CONFIG_AM335X_USB0_MODE MUSB_PERIPHERAL
 178 #define CONFIG_AM335X_USB1
 179 #define CONFIG_AM335X_USB1_MODE MUSB_HOST
 180
 181 /* USB DRACO ID as default */
 182 #define CONFIG_USBD_HS
 183
 184 /* USB Device Firmware Update support */
 185 #define CONFIG_SYS_DFU_DATA_BUF_SIZE    (1 << 20)
 186 #define DFU_MANIFEST_POLL_TIMEOUT       25000
 187
 188 #endif /* CONFIG_SPL_BUILD */
 189
 190 /*
 191  * Default to using SPI for environment, etc.  We have multiple copies
 192  * of SPL as the ROM will check these locations.
 193  * 0x0 - 0x20000 : First copy of SPL
 194  * 0x20000 - 0x40000 : Second copy of SPL
 195  * 0x40000 - 0x60000 : Third copy of SPL
 196  * 0x60000 - 0x80000 : Fourth copy of SPL
 197  * 0x80000 - 0xDF000 : U-Boot
 198  * 0xDF000 - 0xE0000 : U-Boot Environment
 199  * 0xE0000 - 0x442000 : Linux Kernel
 200  * 0x442000 - 0x800000 : Userland
 201  */
 202 #if defined(CONFIG_SPI_BOOT)
 203 # define CONFIG_ENV_SPI_MAX_HZ          CONFIG_SF_DEFAULT_SPEED
 204 # define CONFIG_ENV_OFFSET              (892 << 10) /* 892 KiB in */
 205 # define CONFIG_ENV_SECT_SIZE           (4 << 10) /* 4 KB sectors */
 206 #endif /* SPI support */
 207
 208 #define CONFIG_DRIVER_TI_CPSW
 209 #define CONFIG_MII
 210 #define CONFIG_BOOTP_DEFAULT
 211 #define CONFIG_BOOTP_DNS
 212 #define CONFIG_BOOTP_DNS2
 213 #define CONFIG_BOOTP_SEND_HOSTNAME
 214 #define CONFIG_BOOTP_GATEWAY
 215 #define CONFIG_BOOTP_SUBNETMASK
 216 #define CONFIG_NET_RETRY_COUNT         10
 217
 218 /* NAND support */
 219 #ifdef CONFIG_NAND
 220 /* UBI Support */
 221 #ifndef CONFIG_SPL_BUILD
 222 #define CONFIG_MTD_PARTITIONS
 223 #define CONFIG_MTD_DEVICE
 224 #endif
 225
 226 /* Commen environment */
 227 #define CONFIG_PREBOOT
 228 #define COMMON_ENV_DFU_ARGS     "dfu_args=run bootargs_defaults;" \
 229                                 "setenv bootargs ${bootargs};" \
 230                                 "mtdparts default;" \
 231                                 "draco_led 1;" \
 232                                 "dfu 0 nand 0;" \
 233                                 "draco_led 0;\0" \
 234
 235 #define COMMON_ENV_NAND_BOOT \
 236                 "nand_boot=echo Booting from nand; " \
 237                 "if test ${upgrade_available} -eq 1; then " \
 238                         "if test ${bootcount} -gt ${bootlimit}; " \
 239                                 "then " \
 240                                 "setenv upgrade_available 0;" \
 241                                 "setenv ${partitionset_active} true;" \
 242                                 "if test -n ${A}; then " \
 243                                         "setenv partitionset_active B; " \
 244                                         "env delete A; " \
 245                                 "fi;" \
 246                                 "if test -n ${B}; then " \
 247                                         "setenv partitionset_active A; " \
 248                                         "env delete B; " \
 249                                 "fi;" \
 250                                 "saveenv; " \
 251                         "fi;" \
 252                 "fi;" \
 253                 "echo set ${partitionset_active}...;" \
 254                 "run nand_args; "
 255
 256 #define COMMON_ENV_NAND_CMDS    "flash_self=run nand_boot\0" \
 257                                 "flash_self_test=setenv testargs test; " \
 258                                         "run nand_boot\0" \
 259                                 "dfu_start=echo Preparing for dfu mode ...; " \
 260                                 "run dfu_args; \0"
 261
 262 #define COMMON_ENV_SETTINGS \
 263         "verify=no \0" \
 264         "project_dir=targetdir\0" \
 265         "upgrade_available=0\0" \
 266         "altbootcmd=run bootcmd\0" \
 267         "bootlimit=3\0" \
 268         "partitionset_active=A\0" \
 269         "loadaddr=0x82000000\0" \
 270         "kloadaddr=0x81000000\0" \
 271         "script_addr=0x81900000\0" \
 272         "console=console=ttyMTD,mtdoops console=ttyO0,115200n8 panic=5\0" \
 273         "nfsopts=nolock rw\0" \
 274         "ip_method=none\0" \
 275         "bootenv=uEnv.txt\0" \
 276         "bootargs_defaults=setenv bootargs " \
 277                 "console=${console} " \
 278                 "${testargs} " \
 279                 "${optargs}\0" \
 280         "siemens_help=echo; "\
 281                 "echo Type 'run flash_self' to use kernel and root " \
 282                 "filesystem on memory; echo Type 'run flash_self_test' to " \
 283                 "use kernel and root filesystem on memory, boot in test " \
 284                 "mode; echo Not ready yet: 'run flash_nfs' to use kernel " \
 285                 "from memory and root filesystem over NFS; echo Type " \
 286                 "'run net_nfs' to get Kernel over TFTP and mount root " \
 287                 "filesystem over NFS; " \
 288                 "echo Set partitionset_active variable to 'A' " \
 289                 "or 'B' to select kernel and rootfs partition; " \
 290                 "echo" \
 291                 "\0"
 292
 293 /*
 294  * Variant 1 partition layout
 295  * chip-size = 256MiB
 296  *|         name |        size |           address area |
 297  *-------------------------------------------------------
 298  *|          spl | 128.000 KiB | 0x       0..0x   1ffff |
 299  *|  spl.backup1 | 128.000 KiB | 0x   20000..0x   3ffff |
 300  *|  spl.backup2 | 128.000 KiB | 0x   40000..0x   5ffff |
 301  *|  spl.backup3 | 128.000 KiB | 0x   60000..0x   7ffff |
 302  *|       u-boot |   1.875 MiB | 0x   80000..0x  25ffff |
 303  *|    uboot.env | 128.000 KiB | 0x  260000..0x  27ffff |
 304  *|     kernel_a |   5.000 MiB | 0x  280000..0x  77ffff |
 305  *|     kernel_b |   5.000 MiB | 0x  780000..0x  c7ffff |
 306  *|      mtdoops |   8.000 MiB | 0x  c80000..0x 147ffff |
 307  *|       rootfs | 235.500 MiB | 0x 1480000..0x fffffff |
 308  *-------------------------------------------------------
 309  */
 310 #define MTDIDS_NAME_STR         "omap2-nand.0"
 311 #define MTDIDS_DEFAULT          "nand0=" MTDIDS_NAME_STR
 312 #define MTDPARTS_DEFAULT_V1     "mtdparts=" MTDIDS_NAME_STR ":" \
 313                                         "128k(spl),"            \
 314                                         "128k(spl.backup1),"    \
 315                                         "128k(spl.backup2),"    \
 316                                         "128k(spl.backup3),"    \
 317                                         "1920k(u-boot),"        \
 318                                         "128k(uboot.env),"      \
 319                                         "5120k(kernel_a),"      \
 320                                         "5120k(kernel_b),"      \
 321                                         "8192k(mtdoops),"       \
 322                                         "-(rootfs)"
 323
 324 #define DFU_ALT_INFO_NAND_V1 \
 325         "spl part 0 1;" \
 326         "spl.backup1 part 0 2;" \
 327         "spl.backup2 part 0 3;" \
 328         "spl.backup3 part 0 4;" \
 329         "u-boot part 0 5;" \
 330         "u-boot.env part 0 6;" \
 331         "kernel_a part 0 7;" \
 332         "kernel_b part 0 8;" \
 333         "rootfs partubi 0 10"
 334
 335 #define CONFIG_ENV_SETTINGS_NAND_V1 \
 336         "nand_active_ubi_vol=rootfs_a\0" \
 337         "nand_active_ubi_vol_A=rootfs_a\0" \
 338         "nand_active_ubi_vol_B=rootfs_b\0" \
 339         "nand_root_fs_type=ubifs rootwait=1\0" \
 340         "nand_src_addr=0x280000\0" \
 341         "nand_src_addr_A=0x280000\0" \
 342         "nand_src_addr_B=0x780000\0" \
 343         "nand_args=run bootargs_defaults;" \
 344                 "mtdparts default;" \
 345                 "setenv ${partitionset_active} true;" \
 346                 "if test -n ${A}; then " \
 347                         "setenv nand_active_ubi_vol ${nand_active_ubi_vol_A};" \
 348                         "setenv nand_src_addr ${nand_src_addr_A};" \
 349                 "fi;" \
 350                 "if test -n ${B}; then " \
 351                         "setenv nand_active_ubi_vol ${nand_active_ubi_vol_B};" \
 352                         "setenv nand_src_addr ${nand_src_addr_B};" \
 353                 "fi;" \
 354                 "setenv nand_root ubi0:${nand_active_ubi_vol} rw " \
 355                 "ubi.mtd=9,${ubi_off};" \
 356                 "setenv bootargs ${bootargs} " \
 357                 "root=${nand_root} noinitrd ${mtdparts} " \
 358                 "rootfstype=${nand_root_fs_type} ip=${ip_method} " \
 359                 "console=ttyMTD,mtdoops console=ttyO0,115200n8 mtdoops.mtddev" \
 360                 "=mtdoops\0" \
 361         COMMON_ENV_DFU_ARGS \
 362                 "dfu_alt_info=" DFU_ALT_INFO_NAND_V1 "\0" \
 363         COMMON_ENV_NAND_BOOT \
 364                 "nand read.i ${kloadaddr} ${nand_src_addr} " \
 365                 "${nand_img_size}; bootm ${kloadaddr}\0" \
 366         COMMON_ENV_NAND_CMDS
 367
 368 #define CONFIG_ENV_SETTINGS_V1 \
 369                 COMMON_ENV_SETTINGS \
 370         "net_args=run bootargs_defaults;" \
 371                 "mtdparts default;" \
 372                 "setenv bootfile ${project_dir}/kernel/uImage;" \
 373                 "setenv rootpath /home/projects/${project_dir}/rootfs;" \
 374                 "setenv bootargs ${bootargs} " \
 375                 "root=/dev/nfs ${mtdparts} " \
 376                 "nfsroot=${serverip}:${rootpath},${nfsopts} " \
 377                 "ip=${ipaddr}:${serverip}:" \
 378                 "${gatewayip}:${netmask}:${hostname}:eth0:off\0" \
 379         "net_nfs=echo Booting from network ...; " \
 380                 "run net_args; " \
 381                 "tftpboot ${kloadaddr} ${serverip}:${bootfile}; " \
 382                 "bootm ${kloadaddr}\0"
 383
 384 /*
 385  * Variant 2 partition layout
 386  * chip-size = 256MiB or 512 MiB
 387  *|         name |        size |           address area |
 388  *-------------------------------------------------------
 389  *|          spl | 128.000 KiB | 0x       0..0x   1ffff |
 390  *|  spl.backup1 | 128.000 KiB | 0x   20000..0x   3ffff |
 391  *|  spl.backup2 | 128.000 KiB | 0x   40000..0x   5ffff |
 392  *|  spl.backup3 | 128.000 KiB | 0x   60000..0x   7ffff |
 393  *|       u-boot |   1.875 MiB | 0x   80000..0x  25ffff |
 394  *|   uboot.env0 | 512.000 KiB | 0x  260000..0x  2Dffff |
 395  *|   uboot.env1 | 512.000 KiB | 0x  2E0000..0x  35ffff |
 396  *|      mtdoops | 512.000 KiB | 0x  360000..0x  3dffff |
 397  *| (256) rootfs | 252.125 MiB | 0x  3E0000..0x fffffff |
 398  *| (512) rootfs | 508.125 MiB | 0x  3E0000..0x1fffffff |
 399  *-------------------------------------------------------
 400  */
 401
 402 #define MTDPARTS_DEFAULT_V2     "mtdparts=" MTDIDS_NAME_STR ":" \
 403                                         "128k(spl)," \
 404                                         "128k(spl.backup1)," \
 405                                         "128k(spl.backup2)," \
 406                                         "128k(spl.backup3)," \
 407                                         "1920k(u-boot)," \
 408                                         "512k(u-boot.env0)," \
 409                                         "512k(u-boot.env1)," \
 410                                         "512k(mtdoops)," \
 411                                         "-(rootfs)"
 412
 413 #define DFU_ALT_INFO_NAND_V2 \
 414         "spl part 0 1;" \
 415         "spl.backup1 part 0 2;" \
 416         "spl.backup2 part 0 3;" \
 417         "spl.backup3 part 0 4;" \
 418         "u-boot part 0 5;" \
 419         "u-boot.env0 part 0 6;" \
 420         "u-boot.env1 part 0 7;" \
 421         "rootfs partubi 0 9" \
 422
 423 #define CONFIG_ENV_SETTINGS_NAND_V2 \
 424         "nand_active_ubi_vol=rootfs_a\0" \
 425         "rootfs_name=rootfs\0" \
 426         "kernel_name=uImage\0"\
 427         "nand_root_fs_type=ubifs rootwait=1\0" \
 428         "nand_args=run bootargs_defaults;" \
 429                 "mtdparts default;" \
 430                 "setenv ${partitionset_active} true;" \
 431                 "if test -n ${A}; then " \
 432                         "setenv nand_active_ubi_vol ${rootfs_name}_a;" \
 433                 "fi;" \
 434                 "if test -n ${B}; then " \
 435                         "setenv nand_active_ubi_vol ${rootfs_name}_b;" \
 436                 "fi;" \
 437                 "setenv nand_root ubi0:${nand_active_ubi_vol} rw " \
 438                 "ubi.mtd=rootfs,2048;" \
 439                 "setenv bootargs ${bootargs} " \
 440                 "root=${nand_root} noinitrd ${mtdparts} " \
 441                 "rootfstype=${nand_root_fs_type} ip=${ip_method} " \
 442                 "console=ttyMTD,mtdoops console=ttyO0,115200n8 mtdoops.mtddev" \
 443                 "=mtdoops\0" \
 444         COMMON_ENV_DFU_ARGS \
 445                 "dfu_alt_info=" DFU_ALT_INFO_NAND_V2 "\0" \
 446         COMMON_ENV_NAND_BOOT \
 447                 "ubi part rootfs ${ubi_off};" \
 448                 "ubifsmount ubi0:${nand_active_ubi_vol};" \
 449                 "ubifsload ${kloadaddr} boot/${kernel_name};" \
 450                 "ubifsload ${loadaddr} boot/${dtb_name}.dtb;" \
 451                 "bootm ${kloadaddr} - ${loadaddr}\0" \
 452         "nand_boot_backup=ubifsload ${loadaddr} boot/am335x-draco.dtb;" \
 453                 "bootm ${kloadaddr} - ${loadaddr}\0" \
 454         COMMON_ENV_NAND_CMDS
 455
 456 #define CONFIG_ENV_SETTINGS_V2 \
 457                 COMMON_ENV_SETTINGS \
 458         "net_args=run bootargs_defaults;" \
 459                 "mtdparts default;" \
 460                 "setenv bootfile ${project_dir}/kernel/uImage;" \
 461                 "setenv bootdtb ${project_dir}/kernel/dtb;" \
 462                 "setenv rootpath /home/projects/${project_dir}/rootfs;" \
 463                 "setenv bootargs ${bootargs} " \
 464                 "root=/dev/nfs ${mtdparts} " \
 465                 "nfsroot=${serverip}:${rootpath},${nfsopts} " \
 466                 "ip=${ipaddr}:${serverip}:" \
 467                 "${gatewayip}:${netmask}:${hostname}:eth0:off\0" \
 468         "net_nfs=echo Booting from network ...; " \
 469                 "run net_args; " \
 470                 "tftpboot ${kloadaddr} ${serverip}:${bootfile}; " \
 471                 "tftpboot ${loadaddr} ${serverip}:${bootdtb}; " \
 472                 "bootm ${kloadaddr} - ${loadaddr}\0"
 473
 474 /*
 475  * Variant 3 partition layout
 476  * chip-size = 512MiB
 477  *|         name |        size |           address area |
 478  *-------------------------------------------------------
 479  *|          spl | 128.000 KiB | 0x       0..0x   1ffff |
 480  *|  spl.backup1 | 128.000 KiB | 0x   20000..0x   3ffff |
 481  *|  spl.backup2 | 128.000 KiB | 0x   40000..0x   5ffff |
 482  *|  spl.backup3 | 128.000 KiB | 0x   60000..0x   7ffff |
 483  *|       u-boot |   1.875 MiB | 0x   80000..0x  25ffff |
 484  *|   uboot.env0 | 512.000 KiB | 0x  260000..0x  2Dffff |
 485  *|   uboot.env1 | 512.000 KiB | 0x  2E0000..0x  35ffff |
 486  *|       rootfs | 300.000 MiB | 0x  360000..0x12f5ffff |
 487  *|      mtdoops | 512.000 KiB | 0x12f60000..0x12fdffff |
 488  *|configuration | 104.125 MiB | 0x12fe0000..0x1fffffff |
 489  *-------------------------------------------------------
 490  */
 491
 492 #define MTDPARTS_DEFAULT_V3     "mtdparts=" MTDIDS_NAME_STR ":" \
 493                                         "128k(spl),"            \
 494                                         "128k(spl.backup1),"    \
 495                                         "128k(spl.backup2),"    \
 496                                         "128k(spl.backup3),"    \
 497                                         "1920k(u-boot),"        \
 498                                         "512k(u-boot.env0),"    \
 499                                         "512k(u-boot.env1),"    \
 500                                         "300m(rootfs),"         \
 501                                         "512k(mtdoops),"        \
 502                                         "-(configuration)"
 503
 504 #define CONFIG_NAND_OMAP_GPMC
 505 #define CONFIG_NAND_OMAP_ELM
 506 #define CONFIG_SYS_NAND_BASE            (0x08000000)    /* physical address */
 507                                                         /* to access nand at */
 508                                                         /* CS0 */
 509 #define CONFIG_SYS_MAX_NAND_DEVICE      1               /* Max number of NAND
 510                                                            devices */
 511 #if !defined(CONFIG_SPI_BOOT)
 512 #define CONFIG_ENV_OFFSET               0x260000 /* environment starts here */
 513 #define CONFIG_SYS_ENV_SECT_SIZE        (128 << 10)     /* 128 KiB */
 514 #endif
 515 #endif
 516
 517 /* Reboot after 60 sec if bootcmd fails */
 518 #define CONFIG_RESET_TO_RETRY
 519 #define CONFIG_BOOT_RETRY_TIME 60
 520
 521 #define CONFIG_BOOTCOUNT_LIMIT
 522 #define CONFIG_BOOTCOUNT_ENV
 523
 524 #endif  /* ! __CONFIG_SIEMENS_AM33X_COMMON_H */