include/configs/davinci_dm355evm.h

   1 /*
   2  * Copyright (C) 2009 David Brownell
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation; either version 2 of
   7  * the License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  17  * MA 02111-1307 USA
  18  */
  19
  20 #ifndef __CONFIG_H
  21 #define __CONFIG_H
  22 #include <asm/sizes.h>
  23
  24 /* Spectrum Digital TMS320DM355 EVM board */
  25 #define DAVINCI_DM355EVM
  26
  27 #define CONFIG_SKIP_LOWLEVEL_INIT       /* U-Boot is a 3rd stage loader */
  28 #define CONFIG_SKIP_RELOCATE_UBOOT
  29 #define CONFIG_SYS_NO_FLASH             /* that is, no *NOR* flash */
  30 #define CONFIG_SYS_CONSOLE_INFO_QUIET
  31 #define CONFIG_DISPLAY_CPUINFO
  32
  33 /* SoC Configuration */
  34 #define CONFIG_ARM926EJS                                /* arm926ejs CPU */
  35 #define CONFIG_SYS_TIMERBASE            0x01c21400      /* use timer 0 */
  36 #define CONFIG_SYS_HZ_CLOCK             24000000        /* timer0 freq */
  37 #define CONFIG_SYS_HZ                   1000
  38 #define CONFIG_SOC_DM355
  39
  40 /* Memory Info */
  41 #define CONFIG_NR_DRAM_BANKS            1
  42 #define PHYS_SDRAM_1                    0x80000000
  43 #define PHYS_SDRAM_1_SIZE               SZ_128M
  44
  45 /* Serial Driver info: UART0 for console  */
  46 #define CONFIG_SYS_NS16550
  47 #define CONFIG_SYS_NS16550_SERIAL
  48 #define CONFIG_SYS_NS16550_REG_SIZE     -4
  49 #define CONFIG_SYS_NS16550_COM1         0x01c20000
  50 #define CONFIG_SYS_NS16550_CLK          CONFIG_SYS_HZ_CLOCK
  51 #define CONFIG_SYS_BAUDRATE_TABLE       { 9600, 19200, 38400, 57600, 115200 }
  52 #define CONFIG_CONS_INDEX               1
  53 #define CONFIG_BAUDRATE                 115200
  54
  55 /* Ethernet:  external DM9000 */
  56 #define CONFIG_DRIVER_DM9000            1
  57 #define CONFIG_DM9000_BASE              0x04014000
  58 #define DM9000_IO                       CONFIG_DM9000_BASE
  59 #define DM9000_DATA                     (CONFIG_DM9000_BASE + 2)
  60
  61 /* I2C */
  62 #define CONFIG_HARD_I2C
  63 #define CONFIG_DRIVER_DAVINCI_I2C
  64 #define CONFIG_SYS_I2C_SPEED            400000
  65 #define CONFIG_SYS_I2C_SLAVE            0x10    /* SMBus host address */
  66
  67 /* NAND: socketed, two chipselects, normally 2 GBytes */
  68 /* NYET -- #define CONFIG_NAND_DAVINCI */
  69 #define CONFIG_SYS_NAND_HW_ECC
  70 #define CONFIG_SYS_NAND_USE_FLASH_BBT
  71
  72 #define CONFIG_SYS_NAND_LARGEPAGE
  73 #define CONFIG_SYS_NAND_BASE_LIST       { 0x02000000, }
  74 /* socket has two chipselects, nCE0 gated by address BIT(14) */
  75 #define CONFIG_SYS_MAX_NAND_DEVICE      1
  76 #define CONFIG_SYS_NAND_MAX_CHIPS       2
  77
  78 /* USB: OTG connector */
  79 /* NYET -- #define CONFIG_USB_DAVINCI */
  80
  81 /* U-Boot command configuration */
  82 #include <config_cmd_default.h>
  83
  84 #undef CONFIG_CMD_BDI
  85 #undef CONFIG_CMD_FLASH
  86 #undef CONFIG_CMD_FPGA
  87 #undef CONFIG_CMD_SETGETDCR
  88
  89 #define CONFIG_CMD_ASKENV
  90 #define CONFIG_CMD_DHCP
  91 #define CONFIG_CMD_I2C
  92 #define CONFIG_CMD_PING
  93 #define CONFIG_CMD_SAVES
  94
  95 #ifdef CONFIG_NAND_DAVINCI
  96 #define CONFIG_CMD_MTDPARTS
  97 #define CONFIG_MTD_PARTITIONS
  98 #define CONFIG_CMD_NAND
  99 #define CONFIG_CMD_UBI
 100 #define CONFIG_RBTREE
 101 #endif
 102
 103 /* TEMPORARY -- no safe place to save env, yet */
 104 #define CONFIG_ENV_IS_NOWHERE
 105 #undef CONFIG_CMD_SAVEENV
 106
 107 #ifdef CONFIG_USB_DAVINCI
 108 #define CONFIG_MUSB_HCD
 109 #define CONFIG_CMD_USB
 110 #define CONFIG_USB_STORAGE
 111 #else
 112 #undef CONFIG_MUSB_HCD
 113 #undef CONFIG_CMD_USB
 114 #undef CONFIG_USB_STORAGE
 115 #endif
 116
 117 #define CONFIG_CRC32_VERIFY
 118 #define CONFIG_MX_CYCLIC
 119
 120 /* U-Boot general configuration */
 121 #undef CONFIG_USE_IRQ                           /* No IRQ/FIQ in U-Boot */
 122 #define CONFIG_BOOTFILE         "uImage"        /* Boot file name */
 123 #define CONFIG_SYS_PROMPT       "DM355 EVM # "  /* Monitor Command Prompt */
 124 #define CONFIG_SYS_CBSIZE       1024            /* Console I/O Buffer Size  */
 125 #define CONFIG_SYS_PBSIZE                       /* Print buffer size */ \
 126                 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
 127 #define CONFIG_SYS_MAXARGS      16              /* max number of command args */
 128 #define CONFIG_SYS_HUSH_PARSER
 129 #define CONFIG_SYS_PROMPT_HUSH_PS2      "> "
 130 #define CONFIG_SYS_LONGHELP
 131
 132 #define CONFIG_ENV_SIZE         SZ_16K
 133
 134 /* NYET -- #define CONFIG_BOOTDELAY     5 */
 135 #define CONFIG_BOOTCOMMAND \
 136                 "dhcp;bootm"
 137 #define CONFIG_BOOTARGS \
 138                 "console=ttyS0,115200n8 " \
 139                 "root=/dev/mmcblk0p1 rootwait rootfstype=ext3 ro"
 140
 141 #define CONFIG_CMDLINE_EDITING
 142 #define CONFIG_VERSION_VARIABLE
 143 #define CONFIG_TIMESTAMP
 144
 145 #define CONFIG_NET_RETRY_COUNT 10
 146
 147 /* U-Boot memory configuration */
 148 #define CONFIG_STACKSIZE                SZ_256K         /* regular stack */
 149 #define CONFIG_SYS_MALLOC_LEN           SZ_512K         /* malloc() arena */
 150 #define CONFIG_SYS_GBL_DATA_SIZE        128             /* for initial data */
 151 #define CONFIG_SYS_MEMTEST_START        0x87000000      /* physical address */
 152 #define CONFIG_SYS_MEMTEST_END          0x88000000      /* test 16MB RAM */
 153
 154 /* Linux interfacing */
 155 #define CONFIG_CMDLINE_TAG
 156 #define CONFIG_SETUP_MEMORY_TAGS
 157 #define CONFIG_SYS_BARGSIZE     1024                    /* bootarg Size */
 158 #define CONFIG_SYS_LOAD_ADDR    0x80700000              /* kernel address */
 159
 160
 161 /* NAND configuration ... socketed with two chipselects.  It normally comes
 162  * with a 2GByte SLC part with 2KB pages (and 128KB erase blocks); other
 163  * 2GByte parts may have 4KB pages, 256KB erase blocks, and use MLC.  (MLC
 164  * pretty much demands the 4-bit ECC support.)  You can of course swap in
 165  * other parts, including small page ones.
 166  *
 167  * This presents a single read-only partition for all bootloader stuff.
 168  * UBL (1+ block), U-Boot (256KB+), U-Boot environment (one block), and
 169  * some extra space to help cope with bad blocks in that data.  Linux
 170  * shouldn't care about its detailed layout, and will probably want to use
 171  * UBI/UBFS for the rest (except maybe on smallpage chips).  It's easy to
 172  * override this default partitioning using MTDPARTS and cmdlinepart.
 173  */
 174 #define MTDIDS_DEFAULT          "nand0=davinci_nand.0"
 175
 176 #ifdef CONFIG_SYS_NAND_LARGEPAGE
 177 /*  Use same layout for 128K/256K blocks; allow some bad blocks */
 178 #define PART_BOOT               "2m(bootloader)ro,"
 179 #else
 180 /* Assume 16K erase blocks; allow a few bad ones. */
 181 #define PART_BOOT               "512k(bootloader)ro,"
 182 #endif
 183
 184 #define PART_KERNEL             "4m(kernel),"   /* kernel + initramfs */
 185 #define PART_REST               "-(filesystem)"
 186
 187 #define MTDPARTS_DEFAULT        \
 188         "mtdparts=davinci_nand.0:" PART_BOOT PART_KERNEL PART_REST
 189
 190 #endif /* __CONFIG_H */