include/configs/mx31ads.h

   1 /*
   2  * Copyright (C) 2008, Guennadi Liakhovetski <lg@denx.de>
   3  *
   4  * Configuration settings for the MX31ADS Freescale board.
   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; either version 2 of
   9  * the License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  19  * MA 02111-1307 USA
  20  */
  21
  22 #ifndef __CONFIG_H
  23 #define __CONFIG_H
  24
  25 #include <asm/arch/mx31-regs.h>
  26
  27  /* High Level Configuration Options */
  28 #define CONFIG_ARM1136          1       /* This is an arm1136 CPU core */
  29 #define CONFIG_MX31             1       /* in a mx31 */
  30 #define CONFIG_MX31_HCLK_FREQ   26000000        /* RedBoot says 26MHz */
  31 #define CONFIG_MX31_CLK32       32000
  32
  33 #define CONFIG_DISPLAY_CPUINFO
  34 #define CONFIG_DISPLAY_BOARDINFO
  35
  36 /*
  37  * Disabled for now due to build problems under Debian and
  38  * a significant increase in the final file size: 144260 vs. 109536 Bytes
  39  */
  40 #if 0
  41 #define CONFIG_OF_LIBFDT                1
  42 #define CONFIG_FIT                      1
  43 #define CONFIG_FIT_VERBOSE              1
  44 #endif
  45
  46 #define CONFIG_CMDLINE_TAG              1       /* enable passing of ATAGs */
  47 #define CONFIG_SETUP_MEMORY_TAGS        1
  48 #define CONFIG_INITRD_TAG               1
  49
  50 /*
  51  * Size of malloc() pool
  52  */
  53 #define CFG_MALLOC_LEN          (CFG_ENV_SIZE + 128 * 1024)
  54 #define CFG_GBL_DATA_SIZE       128  /* num bytes reserved for initial data */
  55
  56 /*
  57  * Hardware drivers
  58  */
  59
  60 #define CONFIG_MX31_UART        1
  61 #define CFG_MX31_UART1          1
  62
  63 /* allow to overwrite serial and ethaddr */
  64 #define CONFIG_ENV_OVERWRITE
  65 #define CONFIG_CONS_INDEX       1
  66 #define CONFIG_BAUDRATE         115200
  67 #define CFG_BAUDRATE_TABLE      {9600, 19200, 38400, 57600, 115200}
  68
  69 /***********************************************************
  70  * Command definition
  71  ***********************************************************/
  72
  73 #include <config_cmd_default.h>
  74
  75 #define CONFIG_CMD_MII
  76 #define CONFIG_CMD_PING
  77
  78 #define CONFIG_BOOTDELAY        3
  79
  80 #define CONFIG_NETMASK          255.255.255.0
  81 #define CONFIG_IPADDR           192.168.23.168
  82 #define CONFIG_SERVERIP         192.168.23.2
  83
  84 #define CONFIG_EXTRA_ENV_SETTINGS                               \
  85         "bootargs_base=setenv bootargs console=ttymxc0,115200\0"        \
  86         "bootargs_nfs=setenv bootargs $(bootargs) root=/dev/nfs "       \
  87                 "ip=dhcp nfsroot=$(serverip):$(nfsrootfs),v3,tcp\0"     \
  88         "bootcmd=run bootcmd_net\0"                                     \
  89         "bootcmd_net=run bootargs_base bootargs_mtd bootargs_nfs; "     \
  90                 "tftpboot 0x80000000 uImage-mx31; bootm\0"              \
  91         "prg_uboot=tftpboot 0x80000000 u-boot-mx31ads.bin; "            \
  92                 "protect off 0xa0000000 0xa001ffff; "                   \
  93                 "erase 0xa0000000 0xa001ffff; "                         \
  94                 "cp.b 0x80000000 0xa0000000 $(filesize)\0"
  95
  96 #define CONFIG_DRIVER_CS8900    1
  97 #define CS8900_BASE             0xb4020300
  98 #define CS8900_BUS16            1 /* the Linux driver does accesses as shorts */
  99
 100 /*
 101  * Miscellaneous configurable options
 102  */
 103 #define CFG_LONGHELP            /* undef to save memory */
 104 #define CFG_PROMPT              "=> "
 105 #define CFG_CBSIZE              256             /* Console I/O Buffer Size */
 106 /* Print Buffer Size */
 107 #define CFG_PBSIZE              (CFG_CBSIZE+sizeof(CFG_PROMPT)+16)
 108 #define CFG_MAXARGS             16              /* max number of command args */
 109 #define CFG_BARGSIZE            CFG_CBSIZE      /* Boot Argument Buffer Size */
 110
 111 #define CFG_MEMTEST_START       0               /* memtest works on */
 112 #define CFG_MEMTEST_END         0x10000
 113
 114 #undef  CFG_CLKS_IN_HZ          /* everything, incl board info, in Hz */
 115
 116 #define CFG_LOAD_ADDR           CSD0_BASE       /* default load address */
 117
 118 #define CFG_HZ                  32000
 119
 120 #define CONFIG_CMDLINE_EDITING  1
 121
 122 /*-----------------------------------------------------------------------
 123  * Stack sizes
 124  *
 125  * The stack sizes are set up in start.S using the settings below  */
 126 #define CONFIG_STACKSIZE        (128 * 1024)    /* regular stack */
 127
 128 /*-----------------------------------------------------------------------
 129  * Physical Memory Map
 130  */
 131 #define CONFIG_NR_DRAM_BANKS    1
 132 #define PHYS_SDRAM_1            CSD0_BASE
 133 #define PHYS_SDRAM_1_SIZE       (128 * 1024 * 1024)
 134
 135 /*-----------------------------------------------------------------------
 136  * FLASH and environment organization
 137  */
 138 #define CFG_FLASH_BASE          CS0_BASE
 139 #define CFG_MAX_FLASH_BANKS     1       /* max number of memory banks */
 140 #define CFG_MAX_FLASH_SECT      262     /* max number of sectors on one chip */
 141 #define CFG_MONITOR_BASE CFG_FLASH_BASE /* Monitor at beginning of flash */
 142 #define CFG_MONITOR_LEN         (128 * 1024)    /* Reserve 128KiB */
 143
 144 #define CFG_ENV_IS_IN_FLASH     1
 145 #define CFG_ENV_SECT_SIZE       (32 * 1024)
 146 #define CFG_ENV_SIZE            CFG_ENV_SECT_SIZE
 147 /* S29WS256N NOR flash has 4 32KiB small sectors at beginning and end.
 148  * The rest of 32MiB is in 128KiB big sectors.
 149  * U-Boot occupies the low 4 sectors,
 150  * if we put environment next to it, we will have to occupy 128KiB for it.
 151  * Putting it at the top of flash we use only 32KiB. */
 152 #define CFG_ENV_ADDR    (CFG_MONITOR_BASE + 32 * 1024 * 1024 - CFG_ENV_SIZE)
 153
 154 /*-----------------------------------------------------------------------
 155  * CFI FLASH driver setup
 156  */
 157 #define CFG_FLASH_CFI                   1 /* Flash memory is CFI compliant */
 158 #define CFG_FLASH_CFI_DRIVER            1 /* Use drivers/cfi_flash.c */
 159 #if 0 /* Doesn't work yet, work in progress */
 160 #define CFG_FLASH_USE_BUFFER_WRITE      1 /* Use buffered writes(~10x faster)*/
 161 #endif
 162 #define CFG_FLASH_PROTECTION            1 /* Use hardware sector protection */
 163
 164 /*
 165  * JFFS2 partitions
 166  */
 167 #undef CONFIG_JFFS2_CMDLINE
 168 #define CONFIG_JFFS2_DEV        "nor0"
 169
 170 #endif /* __CONFIG_H */