include/configs/amcc-common.h

   1 /*
   2  * (C) Copyright 2008, 2009
   3  * Stefan Roese, DENX Software Engineering, sr@denx.de.
   4  *
   5  * Common configuration options for all AMCC boards
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License as
   9  * published by the Free Software Foundation; either version 2 of
  10  * the License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  20  * MA 02111-1307 USA
  21  */
  22
  23 #ifndef __AMCC_COMMON_H
  24 #define __AMCC_COMMON_H
  25
  26 #define CONFIG_SYS_SDRAM_BASE           0x00000000      /* _must_ be 0          */
  27 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE    /* Start of U-Boot      */
  28 #define CONFIG_SYS_MONITOR_LEN          (0xFFFFFFFF - CONFIG_SYS_MONITOR_BASE + 1)
  29 #define CONFIG_SYS_MALLOC_LEN           (1 << 20)       /* Reserved for malloc  */
  30
  31 /*
  32  * UART
  33  */
  34 #define CONFIG_SYS_NS16550
  35 #define CONFIG_SYS_NS16550_SERIAL
  36 #define CONFIG_SYS_NS16550_REG_SIZE     1
  37 #define CONFIG_SYS_NS16550_CLK          get_serial_clock()
  38 #define CONFIG_BAUDRATE         115200
  39 #define CONFIG_SYS_BAUDRATE_TABLE  \
  40     {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
  41
  42 /*
  43  * I2C
  44  */
  45 #define CONFIG_SYS_I2C
  46 #define CONFIG_SYS_I2C_PPC4XX
  47 #define CONFIG_SYS_I2C_PPC4XX_CH0
  48 #define CONFIG_SYS_I2C_PPC4XX_SLAVE_0           0x7F
  49
  50 /*
  51  * Ethernet/EMAC/PHY
  52  */
  53 #define CONFIG_PPC4xx_EMAC
  54 #define CONFIG_MII                      /* MII PHY management           */
  55 #define CONFIG_NETCONSOLE               /* include NetConsole support   */
  56 #if defined(CONFIG_440)
  57 #define CONFIG_SYS_RX_ETH_BUFFER        32      /* number of eth rx buffers     */
  58 #else
  59 #define CONFIG_SYS_RX_ETH_BUFFER        16      /* number of eth rx buffers     */
  60 #endif
  61
  62 /*
  63  * Commands
  64  */
  65 #include <config_cmd_default.h>
  66
  67 #define CONFIG_CMD_ASKENV
  68 #if defined(CONFIG_440)
  69 #define CONFIG_CMD_CACHE
  70 #endif
  71 #define CONFIG_CMD_DHCP
  72 #define CONFIG_CMD_DIAG
  73 #define CONFIG_CMD_EEPROM
  74 #define CONFIG_CMD_ELF
  75 #define CONFIG_CMD_GREPENV
  76 #define CONFIG_CMD_I2C
  77 #define CONFIG_CMD_IRQ
  78 #define CONFIG_CMD_MII
  79 #define CONFIG_CMD_NET
  80 #define CONFIG_CMD_NFS
  81 #define CONFIG_CMD_PING
  82 #define CONFIG_CMD_REGINFO
  83 #define CONFIG_CMD_SETEXPR
  84
  85 /*
  86  * Miscellaneous configurable options
  87  */
  88 #define CONFIG_BOOTDELAY        5       /* autoboot after 5 seconds     */
  89 #define CONFIG_SYS_LONGHELP                     /* undef to save memory         */
  90 #define CONFIG_SYS_PROMPT               "=> "   /* Monitor Command Prompt       */
  91 #if defined(CONFIG_CMD_KGDB)
  92 #define CONFIG_SYS_CBSIZE               1024    /* Console I/O Buffer Size      */
  93 #else
  94 #define CONFIG_SYS_CBSIZE               256     /* Console I/O Buffer Size      */
  95 #endif
  96 #define CONFIG_SYS_PBSIZE               (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
  97 #define CONFIG_SYS_MAXARGS              16      /* max number of command args   */
  98 #define CONFIG_SYS_BARGSIZE             CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size  */
  99
 100 #define CONFIG_SYS_MEMTEST_START        0x0400000 /* memtest works on           */
 101 #define CONFIG_SYS_MEMTEST_END          0x0C00000 /* 4 ... 12 MB in DRAM        */
 102
 103 #define CONFIG_SYS_LOAD_ADDR            0x100000  /* default load address       */
 104 #define CONFIG_SYS_EXTBDINFO                    /* To use extended board_into (bd_t) */
 105
 106 #define CONFIG_SYS_HZ                   1000    /* decrementer freq: 1 ms ticks */
 107
 108 #define CONFIG_CMDLINE_EDITING          /* add command line history     */
 109 #define CONFIG_AUTO_COMPLETE            /* add autocompletion support   */
 110 #define CONFIG_LOOPW                    /* enable loopw command         */
 111 #define CONFIG_MX_CYCLIC                /* enable mdc/mwc commands      */
 112 #define CONFIG_ZERO_BOOTDELAY_CHECK     /* check for keypress on bootdelay==0 */
 113 #define CONFIG_VERSION_VARIABLE         /* include version env variable */
 114 #define CONFIG_SYS_CONSOLE_INFO_QUIET   /* don't print console @ startup*/
 115
 116 #define CONFIG_SYS_HUSH_PARSER          /* Use the HUSH parser          */
 117
 118 #define CONFIG_LOADS_ECHO               /* echo on for serial download  */
 119 #define CONFIG_SYS_LOADS_BAUD_CHANGE    /* allow baudrate change        */
 120
 121 #define CONFIG_REGEX                    /* Enable regular expression support */
 122 /*
 123  * BOOTP options
 124  */
 125 #define CONFIG_BOOTP_BOOTFILESIZE
 126 #define CONFIG_BOOTP_BOOTPATH
 127 #define CONFIG_BOOTP_GATEWAY
 128 #define CONFIG_BOOTP_HOSTNAME
 129 #define CONFIG_BOOTP_SUBNETMASK
 130
 131 /*
 132  * For booting Linux, the board info and command line data
 133  * have to be in the first 16 MB of memory, since this is
 134  * the maximum mapped by the 40x Linux kernel during initialization.
 135  */
 136 #define CONFIG_SYS_BOOTMAPSZ            (16 << 20) /* Initial Memory map for Linux */
 137 #define CONFIG_SYS_BOOTM_LEN            (16 << 20) /* Increase max gunzip size */
 138
 139 /*
 140  * Internal Definitions
 141  */
 142 #if defined(CONFIG_CMD_KGDB)
 143 #define CONFIG_KGDB_BAUDRATE    230400  /* speed to run kgdb serial port*/
 144 #define CONFIG_KGDB_SER_INDEX   2       /* which serial port to use     */
 145 #endif
 146
 147 /*
 148  * Pass open firmware flat tree
 149  */
 150 #define CONFIG_OF_LIBFDT
 151 #define CONFIG_OF_BOARD_SETUP
 152 /* Update size in "reg" property of NOR FLASH device tree nodes */
 153 #define CONFIG_FDT_FIXUP_NOR_FLASH_SIZE
 154
 155 /*
 156  * Booting and default environment
 157  */
 158 #define CONFIG_PREBOOT  "echo;" \
 159         "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
 160         "echo"
 161 #define CONFIG_BOOTCOMMAND      "run flash_self"
 162
 163 /*
 164  * Only very few boards have default console not on ttyS0 (like Taishan)
 165  */
 166 #if !defined(CONFIG_USE_TTY)
 167 #define CONFIG_USE_TTY  ttyS0
 168 #endif
 169
 170 /*
 171  * Only very few boards have default netdev not set to eth0 (like Arches)
 172  */
 173 #if !defined(CONFIG_USE_NETDEV)
 174 #define CONFIG_USE_NETDEV       eth0
 175 #endif
 176
 177 /*
 178  * Only some 4xx PPC's are equipped with an FPU
 179  */
 180 #if defined(CONFIG_440EP) || defined(CONFIG_440EPX) || \
 181     defined(CONFIG_460EX) || defined(CONFIG_460GT)
 182 #define CONFIG_AMCC_DEF_ENV_ROOTPATH    "rootpath=/opt/eldk/ppc_4xxFP\0"
 183 #else
 184 #define CONFIG_AMCC_DEF_ENV_ROOTPATH    "rootpath=/opt/eldk/ppc_4xx\0"
 185 #endif
 186
 187 /*
 188  * Only some boards need to extend the bootargs by some additional
 189  * parameters (like Makalu)
 190  */
 191 #if !defined(CONFIG_ADDMISC)
 192 #define CONFIG_ADDMISC  "addmisc=setenv bootargs ${bootargs}\0"
 193 #endif
 194
 195 /*
 196  * General common environment variables shared on all AMCC eval boards
 197  */
 198 #define CONFIG_AMCC_DEF_ENV                                             \
 199         "netdev=" __stringify(CONFIG_USE_NETDEV) "\0"                           \
 200         "nfsargs=setenv bootargs root=/dev/nfs rw "                     \
 201                 "nfsroot=${serverip}:${rootpath}\0"                     \
 202         "ramargs=setenv bootargs root=/dev/ram rw\0"                    \
 203         "addip=setenv bootargs ${bootargs} "                            \
 204                 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"      \
 205                 ":${hostname}:${netdev}:off panic=1\0"                  \
 206         "addtty=setenv bootargs ${bootargs}"                            \
 207                 " console=" __stringify(CONFIG_USE_TTY) ",${baudrate}\0"        \
 208         CONFIG_ADDMISC                                                  \
 209         "initrd_high=30000000\0"                                        \
 210         "kernel_addr_r=1000000\0"                                       \
 211         "fdt_addr_r=1800000\0"                                          \
 212         "ramdisk_addr_r=1900000\0"                                      \
 213         "hostname=" __stringify(CONFIG_HOSTNAME) "\0"                           \
 214         "bootfile=" __stringify(CONFIG_HOSTNAME) "/uImage\0"                    \
 215         "ramdisk_file=" __stringify(CONFIG_HOSTNAME) "/uRamdisk\0"              \
 216         CONFIG_AMCC_DEF_ENV_ROOTPATH
 217
 218 /*
 219  * Default environment for arch/powerpc booting
 220  * for boards that are ported to arch/powerpc
 221  */
 222 #define CONFIG_AMCC_DEF_ENV_POWERPC                                     \
 223         "flash_self=run ramargs addip addtty addmisc;"                  \
 224                 "bootm ${kernel_addr} ${ramdisk_addr} ${fdt_addr}\0"    \
 225         "flash_nfs=run nfsargs addip addtty addmisc;"                   \
 226                 "bootm ${kernel_addr} - ${fdt_addr}\0"                  \
 227         "net_nfs=tftp ${kernel_addr_r} ${bootfile}; "                   \
 228                 "tftp ${fdt_addr_r} ${fdt_file}; "                      \
 229                 "run nfsargs addip addtty addmisc;"                     \
 230                 "bootm ${kernel_addr_r} - ${fdt_addr_r}\0"              \
 231         "net_self_load=tftp ${kernel_addr_r} ${bootfile};"              \
 232                 "tftp ${fdt_addr_r} ${fdt_file};"                       \
 233                 "tftp ${ramdisk_addr_r} ${ramdisk_file};\0"             \
 234         "net_self=run net_self_load;"                                   \
 235                 "run ramargs addip addtty addmisc;"                     \
 236                 "bootm ${kernel_addr_r} ${ramdisk_addr_r} ${fdt_addr_r}\0" \
 237         "fdt_file=" __stringify(CONFIG_HOSTNAME) "/" __stringify(CONFIG_HOSTNAME) ".dtb\0"
 238
 239 /*
 240  * Default environment for arch/ppc booting,
 241  * for boards that are not ported to arch/powerpc yet
 242  */
 243 #define CONFIG_AMCC_DEF_ENV_PPC                                         \
 244         "flash_self=run ramargs addip addtty addmisc;"                  \
 245                 "bootm ${kernel_addr} ${ramdisk_addr}\0"                \
 246         "flash_nfs=run nfsargs addip addtty addmisc;"                   \
 247                 "bootm ${kernel_addr}\0"                                \
 248         "net_nfs=tftp ${kernel_addr_r} ${bootfile};"                    \
 249                 "run nfsargs addip addtty addmisc;"                     \
 250                 "bootm ${kernel_addr_r}\0"
 251
 252 /*
 253  * Default environment for arch/ppc booting (old version),
 254  * for boards that are ported to arch/ppc and arch/powerpc
 255  */
 256 #define CONFIG_AMCC_DEF_ENV_PPC_OLD                                     \
 257         "flash_self_old=run ramargs addip addtty addmisc;"              \
 258                 "bootm ${kernel_addr} ${ramdisk_addr}\0"                \
 259         "flash_nfs_old=run nfsargs addip addtty addmisc;"               \
 260                 "bootm ${kernel_addr}\0"                                \
 261         "net_nfs_old=tftp ${kernel_addr_r} ${bootfile};"                \
 262                 "run nfsargs addip addtty addmisc;"                     \
 263                 "bootm ${kernel_addr_r}\0"
 264
 265 #define CONFIG_AMCC_DEF_ENV_NOR_UPD                                     \
 266         "u-boot=" __stringify(CONFIG_HOSTNAME) "/u-boot.bin\0"          \
 267         "load=tftp 200000 ${u-boot}\0"                                  \
 268         "update=protect off " __stringify(CONFIG_SYS_MONITOR_BASE) " FFFFFFFF;" \
 269                 "era " __stringify(CONFIG_SYS_MONITOR_BASE) " FFFFFFFF;"        \
 270                 "cp.b ${fileaddr} " __stringify(CONFIG_SYS_MONITOR_BASE) " ${filesize}\0" \
 271         "upd=run load update\0"                                         \
 272
 273 #define CONFIG_AMCC_DEF_ENV_NAND_UPD                                    \
 274         "u-boot-nand=" __stringify(CONFIG_HOSTNAME) "/u-boot-nand.bin\0"\
 275         "nload=tftp 200000 ${u-boot-nand}\0"                            \
 276         "nupdate=nand erase 0 100000;nand write 200000 0 100000\0"      \
 277         "nupd=run nload nupdate\0"
 278
 279 #endif /* __AMCC_COMMON_H */