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 #define CONFIG_CMD_MEMORY       /* for mtest */
  21 #undef CONFIG_GZIP
  22 #undef CONFIG_ZLIB
  23 #undef CONFIG_SYS_HUSH_PARSER
  24 #undef CONFIG_CMD_NET
  25
  26 #include <asm/arch/cpu.h>
  27 #include <asm/arch/hardware.h>
  28
  29 #define CONFIG_ENV_SIZE                 0x400
  30 #define CONFIG_SYS_MALLOC_LEN           (CONFIG_ENV_SIZE + (8 * 1024))
  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_CMD_ASKENV
  37 #define CONFIG_VERSION_VARIABLE
  38
  39 /* set to negative value for no autoboot */
  40 #define CONFIG_BOOTDELAY                3
  41 #define CONFIG_SYS_AUTOLOAD             "no"
  42 #define CONFIG_BOOTFILE                 "uImage"
  43 #define CONFIG_EXTRA_ENV_SETTINGS \
  44         "verify=yes\0" \
  45         "ramdisk_file=ramdisk.gz\0" \
  46
  47 /* Clock Defines */
  48 #define V_OSCK                          24000000  /* Clock output from T2 */
  49 #define V_SCLK                          (V_OSCK)
  50
  51 #define CONFIG_CMD_ECHO
  52
  53 /* max number of command args */
  54 #define CONFIG_SYS_MAXARGS              16
  55
  56 /* Console I/O Buffer Size */
  57 #define CONFIG_SYS_CBSIZE               512
  58
  59 /* Print Buffer Size */
  60 #define CONFIG_SYS_PBSIZE               (CONFIG_SYS_CBSIZE \
  61                                         + sizeof(CONFIG_SYS_PROMPT) + 16)
  62
  63 /* Boot Argument Buffer Size */
  64 #define CONFIG_SYS_BARGSIZE             CONFIG_SYS_CBSIZE
  65
  66 /*
  67  * memtest works on 8 MB in DRAM after skipping 32MB from
  68  * start addr of ram disk
  69  */
  70 #define CONFIG_SYS_MEMTEST_START        (PHYS_DRAM_1 + (64 * 1024 * 1024))
  71 #define CONFIG_SYS_MEMTEST_END          (CONFIG_SYS_MEMTEST_START \
  72                                         + (8 * 1024 * 1024))
  73
  74 #define CONFIG_SYS_LOAD_ADDR            0x81000000 /* Default load address */
  75 #define CONFIG_SYS_HZ                   1000 /* 1ms clock */
  76
  77 #define CONFIG_MMC
  78 #define CONFIG_GENERIC_MMC
  79 #define CONFIG_OMAP_HSMMC
  80 #define CONFIG_CMD_MMC
  81 #define CONFIG_DOS_PARTITION
  82 #define CONFIG_CMD_FAT
  83 #define CONFIG_CMD_EXT2
  84
  85  /* Physical Memory Map */
  86 #define CONFIG_NR_DRAM_BANKS            1               /*  1 bank of DRAM */
  87 #define PHYS_DRAM_1                     0x80000000      /* DRAM Bank #1 */
  88 #define CONFIG_MAX_RAM_BANK_SIZE        (1024 << 20)    /* 1GB */
  89
  90 #define CONFIG_SYS_SDRAM_BASE           PHYS_DRAM_1
  91 #define CONFIG_SYS_INIT_SP_ADDR         (CONFIG_SYS_SDRAM_BASE + 0x1000 - \
  92                                                 GENERATED_GBL_DATA_SIZE)
  93  /* Platform/Board specific defs */
  94 #define CONFIG_SYS_TIMERBASE            0x48040000      /* Use Timer2 */
  95 #define CONFIG_SYS_PTV                  2       /* Divisor: 2^(PTV+1) => 8 */
  96 #define CONFIG_SYS_HZ                   1000
  97
  98 /* NS16550 Configuration */
  99 #define CONFIG_SYS_NS16550
 100 #define CONFIG_SYS_NS16550_SERIAL
 101 #define CONFIG_SYS_NS16550_REG_SIZE     (-4)
 102 #define CONFIG_SYS_NS16550_CLK          (48000000)
 103 #define CONFIG_SYS_NS16550_COM1         0x44e09000      /* Base EVM has UART0 */
 104
 105 /* I2C Configuration */
 106 #define CONFIG_I2C
 107 #define CONFIG_CMD_I2C
 108 #define CONFIG_HARD_I2C
 109 #define CONFIG_SYS_I2C_SPEED            100000
 110 #define CONFIG_SYS_I2C_SLAVE            1
 111 #define CONFIG_I2C_MULTI_BUS
 112 #define CONFIG_DRIVER_OMAP24XX_I2C
 113
 114 #define CONFIG_BAUDRATE         115200
 115 #define CONFIG_SYS_BAUDRATE_TABLE       { 110, 300, 600, 1200, 2400, \
 116 4800, 9600, 14400, 19200, 28800, 38400, 56000, 57600, 115200 }
 117
 118 /*
 119  * select serial console configuration
 120  */
 121 #define CONFIG_SERIAL1                  1
 122 #define CONFIG_CONS_INDEX               1
 123 #define CONFIG_SYS_CONSOLE_INFO_QUIET
 124
 125 #define CONFIG_ENV_IS_NOWHERE
 126
 127 /* Defines for SPL */
 128 #define CONFIG_SPL
 129 #define CONFIG_SPL_TEXT_BASE            0x402F0400
 130 #define CONFIG_SPL_MAX_SIZE             (46 * 1024)
 131 #define CONFIG_SPL_STACK                LOW_LEVEL_SRAM_STACK
 132
 133 #define CONFIG_SPL_BSS_START_ADDR       0x80000000
 134 #define CONFIG_SPL_BSS_MAX_SIZE         0x80000         /* 512 KB */
 135
 136 #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x300 /* address 0x60000 */
 137 #define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS      0x200 /* 256 KB */
 138 #define CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION    1
 139 #define CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME        "u-boot.img"
 140 #define CONFIG_SPL_MMC_SUPPORT
 141 #define CONFIG_SPL_FAT_SUPPORT
 142 #define CONFIG_SPL_I2C_SUPPORT
 143
 144 #define CONFIG_SPL_LIBCOMMON_SUPPORT
 145 #define CONFIG_SPL_LIBDISK_SUPPORT
 146 #define CONFIG_SPL_LIBGENERIC_SUPPORT
 147 #define CONFIG_SPL_SERIAL_SUPPORT
 148 #define CONFIG_SPL_YMODEM_SUPPORT
 149 #define CONFIG_SPL_LDSCRIPT             "$(CPUDIR)/omap-common/u-boot-spl.lds"
 150
 151 /*
 152  * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM
 153  * 64 bytes before this address should be set aside for u-boot.img's
 154  * header. That is 0x800FFFC0--0x80100000 should not be used for any
 155  * other needs.
 156  */
 157 #define CONFIG_SYS_TEXT_BASE            0x80800000
 158 #define CONFIG_SYS_SPL_MALLOC_START     0x80208000
 159 #define CONFIG_SYS_SPL_MALLOC_SIZE      0x100000
 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 /* Unsupported features */
 169 #undef CONFIG_USE_IRQ
 170
 171 #endif  /* ! __CONFIG_AM335X_EVM_H */