include/configs/am335x_evm.h

   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
  21 #include <asm/arch/cpu.h>
  22 #include <asm/arch/hardware.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_SYS_NO_FLASH
  33 #define MACH_TYPE_TIAM335EVM            3589    /* Until the next sync */
  34 #define CONFIG_MACH_TYPE                MACH_TYPE_TIAM335EVM
  35
  36 #define CONFIG_OF_LIBFDT
  37 #define CONFIG_CMDLINE_TAG              /* enable passing of ATAGs */
  38 #define CONFIG_SETUP_MEMORY_TAGS
  39 #define CONFIG_INITRD_TAG
  40
  41 /* commands to include */
  42 #include <config_cmd_default.h>
  43
  44 #define CONFIG_CMD_ASKENV
  45 #define CONFIG_VERSION_VARIABLE
  46
  47 /* set to negative value for no autoboot */
  48 #define CONFIG_BOOTDELAY                3
  49 #define CONFIG_EXTRA_ENV_SETTINGS \
  50         "loadaddr=0x80200000\0" \
  51         "fdtaddr=0x80F80000\0" \
  52         "rdaddr=0x81000000\0" \
  53         "bootfile=/boot/uImage\0" \
  54         "console=ttyO0,115200n8\0" \
  55         "optargs=\0" \
  56         "mmcdev=0\0" \
  57         "mmcroot=/dev/mmcblk0p2 rw\0" \
  58         "mmcrootfstype=ext4 rootwait\0" \
  59         "ramroot=/dev/ram0 rw ramdisk_size=65536 initrd=${rdaddr},64M\0" \
  60         "ramrootfstype=ext2\0" \
  61         "mmcargs=setenv bootargs console=${console} " \
  62                 "${optargs} " \
  63                 "root=${mmcroot} " \
  64                 "rootfstype=${mmcrootfstype}\0" \
  65         "bootenv=uEnv.txt\0" \
  66         "loadbootenv=fatload mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \
  67         "importbootenv=echo Importing environment from mmc ...; " \
  68                 "env import -t $loadaddr $filesize\0" \
  69         "ramargs=setenv bootargs console=${console} " \
  70                 "${optargs} " \
  71                 "root=${ramroot} " \
  72                 "rootfstype=${ramrootfstype}\0" \
  73         "loadramdisk=fatload mmc ${mmcdev} ${rdaddr} ramdisk.gz\0" \
  74         "loaduimagefat=fatload mmc ${mmcdev} ${loadaddr} ${bootfile}\0" \
  75         "loaduimage=ext2load mmc ${mmcdev}:2 ${loadaddr} ${bootfile}\0" \
  76         "mmcboot=echo Booting from mmc ...; " \
  77                 "run mmcargs; " \
  78                 "bootm ${loadaddr}\0" \
  79         "ramboot=echo Booting from ramdisk ...; " \
  80                 "run ramargs; " \
  81                 "bootm ${loadaddr}\0" \
  82
  83 #define CONFIG_BOOTCOMMAND \
  84         "if mmc rescan ${mmcdev}; then " \
  85                 "echo SD/MMC found on device ${mmcdev};" \
  86                 "if run loadbootenv; then " \
  87                         "echo Loaded environment from ${bootenv};" \
  88                         "run importbootenv;" \
  89                 "fi;" \
  90                 "if test -n $uenvcmd; then " \
  91                         "echo Running uenvcmd ...;" \
  92                         "run uenvcmd;" \
  93                 "fi;" \
  94                 "if run loaduimage; then " \
  95                         "run mmcboot;" \
  96                 "fi;" \
  97         "fi;" \
  98
  99 /* Clock Defines */
 100 #define V_OSCK                          24000000  /* Clock output from T2 */
 101 #define V_SCLK                          (V_OSCK)
 102
 103 #define CONFIG_CMD_ECHO
 104
 105 /* max number of command args */
 106 #define CONFIG_SYS_MAXARGS              16
 107
 108 /* Console I/O Buffer Size */
 109 #define CONFIG_SYS_CBSIZE               512
 110
 111 /* Print Buffer Size */
 112 #define CONFIG_SYS_PBSIZE               (CONFIG_SYS_CBSIZE \
 113                                         + sizeof(CONFIG_SYS_PROMPT) + 16)
 114
 115 /* Boot Argument Buffer Size */
 116 #define CONFIG_SYS_BARGSIZE             CONFIG_SYS_CBSIZE
 117
 118 /*
 119  * memtest works on 8 MB in DRAM after skipping 32MB from
 120  * start addr of ram disk
 121  */
 122 #define CONFIG_SYS_MEMTEST_START        (PHYS_DRAM_1 + (64 * 1024 * 1024))
 123 #define CONFIG_SYS_MEMTEST_END          (CONFIG_SYS_MEMTEST_START \
 124                                         + (8 * 1024 * 1024))
 125
 126 #define CONFIG_SYS_LOAD_ADDR            0x81000000 /* Default load address */
 127 #define CONFIG_SYS_HZ                   1000 /* 1ms clock */
 128
 129 #define CONFIG_MMC
 130 #define CONFIG_GENERIC_MMC
 131 #define CONFIG_OMAP_HSMMC
 132 #define CONFIG_CMD_MMC
 133 #define CONFIG_DOS_PARTITION
 134 #define CONFIG_CMD_FAT
 135 #define CONFIG_CMD_EXT2
 136
 137  /* Physical Memory Map */
 138 #define CONFIG_NR_DRAM_BANKS            1               /*  1 bank of DRAM */
 139 #define PHYS_DRAM_1                     0x80000000      /* DRAM Bank #1 */
 140 #define CONFIG_MAX_RAM_BANK_SIZE        (1024 << 20)    /* 1GB */
 141
 142 #define CONFIG_SYS_SDRAM_BASE           PHYS_DRAM_1
 143 #define CONFIG_SYS_INIT_SP_ADDR         (CONFIG_SYS_SDRAM_BASE + 0x1000 - \
 144                                                 GENERATED_GBL_DATA_SIZE)
 145  /* Platform/Board specific defs */
 146 #define CONFIG_SYS_TIMERBASE            0x48040000      /* Use Timer2 */
 147 #define CONFIG_SYS_PTV                  2       /* Divisor: 2^(PTV+1) => 8 */
 148 #define CONFIG_SYS_HZ                   1000
 149
 150 /* NS16550 Configuration */
 151 #define CONFIG_SYS_NS16550
 152 #define CONFIG_SYS_NS16550_SERIAL
 153 #define CONFIG_SYS_NS16550_REG_SIZE     (-4)
 154 #define CONFIG_SYS_NS16550_CLK          (48000000)
 155 #define CONFIG_SYS_NS16550_COM1         0x44e09000      /* Base EVM has UART0 */
 156
 157 /* I2C Configuration */
 158 #define CONFIG_I2C
 159 #define CONFIG_CMD_I2C
 160 #define CONFIG_HARD_I2C
 161 #define CONFIG_SYS_I2C_SPEED            100000
 162 #define CONFIG_SYS_I2C_SLAVE            1
 163 #define CONFIG_I2C_MULTI_BUS
 164 #define CONFIG_DRIVER_OMAP24XX_I2C
 165
 166 #define CONFIG_BAUDRATE         115200
 167 #define CONFIG_SYS_BAUDRATE_TABLE       { 110, 300, 600, 1200, 2400, \
 168 4800, 9600, 14400, 19200, 28800, 38400, 56000, 57600, 115200 }
 169
 170 /*
 171  * select serial console configuration
 172  */
 173 #define CONFIG_SERIAL1                  1
 174 #define CONFIG_CONS_INDEX               1
 175 #define CONFIG_SYS_CONSOLE_INFO_QUIET
 176
 177 #define CONFIG_ENV_IS_NOWHERE
 178
 179 /* Defines for SPL */
 180 #define CONFIG_SPL
 181 #define CONFIG_SPL_TEXT_BASE            0x402F0400
 182 #define CONFIG_SPL_MAX_SIZE             (46 * 1024)
 183 #define CONFIG_SPL_STACK                LOW_LEVEL_SRAM_STACK
 184
 185 #define CONFIG_SPL_BSS_START_ADDR       0x80000000
 186 #define CONFIG_SPL_BSS_MAX_SIZE         0x80000         /* 512 KB */
 187
 188 #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x300 /* address 0x60000 */
 189 #define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS      0x200 /* 256 KB */
 190 #define CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION    1
 191 #define CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME        "u-boot.img"
 192 #define CONFIG_SPL_MMC_SUPPORT
 193 #define CONFIG_SPL_FAT_SUPPORT
 194 #define CONFIG_SPL_I2C_SUPPORT
 195
 196 #define CONFIG_SPL_LIBCOMMON_SUPPORT
 197 #define CONFIG_SPL_LIBDISK_SUPPORT
 198 #define CONFIG_SPL_LIBGENERIC_SUPPORT
 199 #define CONFIG_SPL_SERIAL_SUPPORT
 200 #define CONFIG_SPL_YMODEM_SUPPORT
 201 #define CONFIG_SPL_LDSCRIPT             "$(CPUDIR)/omap-common/u-boot-spl.lds"
 202
 203 /*
 204  * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM
 205  * 64 bytes before this address should be set aside for u-boot.img's
 206  * header. That is 0x800FFFC0--0x80100000 should not be used for any
 207  * other needs.
 208  */
 209 #define CONFIG_SYS_TEXT_BASE            0x80800000
 210 #define CONFIG_SYS_SPL_MALLOC_START     0x80208000
 211 #define CONFIG_SYS_SPL_MALLOC_SIZE      0x100000
 212
 213 /* Since SPL did pll and ddr initialization for us,
 214  * we don't need to do it twice.
 215  */
 216 #ifndef CONFIG_SPL_BUILD
 217 #define CONFIG_SKIP_LOWLEVEL_INIT
 218 #endif
 219
 220 /* Unsupported features */
 221 #undef CONFIG_USE_IRQ
 222
 223 #define CONFIG_CMD_NET
 224 #define CONFIG_CMD_DHCP
 225 #define CONFIG_CMD_PING
 226 #define CONFIG_DRIVER_TI_CPSW
 227 #define CONFIG_MII
 228 #define CONFIG_BOOTP_DEFAULT
 229 #define CONFIG_BOOTP_DNS
 230 #define CONFIG_BOOTP_DNS2
 231 #define CONFIG_BOOTP_SEND_HOSTNAME
 232 #define CONFIG_BOOTP_GATEWAY
 233 #define CONFIG_BOOTP_SUBNETMASK
 234 #define CONFIG_NET_RETRY_COUNT         10
 235 #define CONFIG_NET_MULTI
 236 #define CONFIG_PHY_GIGE
 237 #define CONFIG_PHYLIB
 238
 239 #endif  /* ! __CONFIG_AM335X_EVM_H */