include/configs/amcc-common.h

   1 /*
   2  * (C) Copyright 2008
   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 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_BAUDRATE         115200
  35 #define CONFIG_SERIAL_MULTI
  36 #define CONFIG_SYS_BAUDRATE_TABLE  \
  37     {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
  38
  39 /*
  40  * I2C
  41  */
  42 #define CONFIG_HARD_I2C                 /* I2C with hardware support    */
  43 #define CONFIG_SYS_I2C_SLAVE            0x7F
  44
  45 /*
  46  * Ethernet/EMAC/PHY
  47  */
  48 #define CONFIG_PPC4xx_EMAC
  49 #define CONFIG_MII                      /* MII PHY management           */
  50 #define CONFIG_NET_MULTI
  51 #define CONFIG_NETCONSOLE               /* include NetConsole support   */
  52 #if defined(CONFIG_440)
  53 #define CONFIG_SYS_RX_ETH_BUFFER        32      /* number of eth rx buffers     */
  54 #else
  55 #define CONFIG_SYS_RX_ETH_BUFFER        16      /* number of eth rx buffers     */
  56 #endif
  57
  58 /*
  59  * Commands
  60  */
  61 #include <config_cmd_default.h>
  62
  63 #define CONFIG_CMD_ASKENV
  64 #if defined(CONFIG_440)
  65 #define CONFIG_CMD_CACHE
  66 #endif
  67 #define CONFIG_CMD_DHCP
  68 #define CONFIG_CMD_DIAG
  69 #define CONFIG_CMD_EEPROM
  70 #define CONFIG_CMD_ELF
  71 #define CONFIG_CMD_I2C
  72 #define CONFIG_CMD_IRQ
  73 #define CONFIG_CMD_MII
  74 #define CONFIG_CMD_NET
  75 #define CONFIG_CMD_NFS
  76 #define CONFIG_CMD_PING
  77 #define CONFIG_CMD_REGINFO
  78
  79 #if defined(CONFIG_SYS_RAMBOOT)
  80 /*
  81  * Disable NOR FLASH commands on RAM-booting version. One main reason for this
  82  * RAM-booting version is boards with NAND and without NOR. This image can
  83  * be used for initial NAND programming.
  84  */
  85 #define CONFIG_SYS_NO_FLASH
  86 #undef CONFIG_CMD_FLASH
  87 #undef CONFIG_CMD_IMLS
  88 #endif
  89
  90 /*
  91  * Miscellaneous configurable options
  92  */
  93 #define CONFIG_BOOTDELAY        5       /* autoboot after 5 seconds     */
  94 #define CONFIG_SYS_LONGHELP                     /* undef to save memory         */
  95 #define CONFIG_SYS_PROMPT               "=> "   /* Monitor Command Prompt       */
  96 #if defined(CONFIG_CMD_KGDB)
  97 #define CONFIG_SYS_CBSIZE               1024    /* Console I/O Buffer Size      */
  98 #else
  99 #define CONFIG_SYS_CBSIZE               256     /* Console I/O Buffer Size      */
 100 #endif
 101 #define CONFIG_SYS_PBSIZE               (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
 102 #define CONFIG_SYS_MAXARGS              16      /* max number of command args   */
 103 #define CONFIG_SYS_BARGSIZE             CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size  */
 104
 105 #define CONFIG_SYS_MEMTEST_START        0x0400000 /* memtest works on           */
 106 #define CONFIG_SYS_MEMTEST_END          0x0C00000 /* 4 ... 12 MB in DRAM        */
 107
 108 #define CONFIG_SYS_LOAD_ADDR            0x100000  /* default load address       */
 109 #define CONFIG_SYS_EXTBDINFO                    /* To use extended board_into (bd_t) */
 110
 111 #define CONFIG_SYS_HZ                   1000    /* decrementer freq: 1 ms ticks */
 112
 113 #define CONFIG_CMDLINE_EDITING          /* add command line history     */
 114 #define CONFIG_AUTO_COMPLETE            /* add autocompletion support   */
 115 #define CONFIG_LOOPW                    /* enable loopw command         */
 116 #define CONFIG_MX_CYCLIC                /* enable mdc/mwc commands      */
 117 #define CONFIG_ZERO_BOOTDELAY_CHECK     /* check for keypress on bootdelay==0 */
 118 #define CONFIG_VERSION_VARIABLE         /* include version env variable */
 119 #define CONFIG_SYS_CONSOLE_INFO_QUIET           /* don't print console @ startup*/
 120
 121 #define CONFIG_SYS_HUSH_PARSER                  /* Use the HUSH parser          */
 122 #ifdef  CONFIG_SYS_HUSH_PARSER
 123 #define CONFIG_SYS_PROMPT_HUSH_PS2      "> "
 124 #endif
 125
 126 #define CONFIG_LOADS_ECHO               /* echo on for serial download  */
 127 #define CONFIG_SYS_LOADS_BAUD_CHANGE            /* allow baudrate change        */
 128
 129 /*
 130  * BOOTP options
 131  */
 132 #define CONFIG_BOOTP_BOOTFILESIZE
 133 #define CONFIG_BOOTP_BOOTPATH
 134 #define CONFIG_BOOTP_GATEWAY
 135 #define CONFIG_BOOTP_HOSTNAME
 136 #define CONFIG_BOOTP_SUBNETMASK
 137
 138 /*
 139  * For booting Linux, the board info and command line data
 140  * have to be in the first 16 MB of memory, since this is
 141  * the maximum mapped by the 40x Linux kernel during initialization.
 142  */
 143 #define CONFIG_SYS_BOOTMAPSZ            (16 << 20) /* Initial Memory map for Linux */
 144 #define CONFIG_SYS_BOOTM_LEN            (16 << 20) /* Increase max gunzip size */
 145
 146 /*
 147  * Internal Definitions
 148  */
 149 #if defined(CONFIG_CMD_KGDB)
 150 #define CONFIG_KGDB_BAUDRATE    230400  /* speed to run kgdb serial port*/
 151 #define CONFIG_KGDB_SER_INDEX   2       /* which serial port to use     */
 152 #endif
 153
 154 /*
 155  * Pass open firmware flat tree
 156  */
 157 #define CONFIG_OF_LIBFDT
 158 #define CONFIG_OF_BOARD_SETUP
 159
 160 /*
 161  * Booting and default environment
 162  */
 163 #define CONFIG_PREBOOT  "echo;" \
 164         "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
 165         "echo"
 166 #define CONFIG_BOOTCOMMAND      "run flash_self"
 167
 168 /*
 169  * Only very few boards have default console not on ttyS0 (like Taishan)
 170  */
 171 #if !defined(CONFIG_USE_TTY)
 172 #define CONFIG_USE_TTY  ttyS0
 173 #endif
 174
 175 /*
 176  * Only very few boards have default netdev not set to eth0 (like Arches)
 177  */
 178 #if !defined(CONFIG_USE_NETDEV)
 179 #define CONFIG_USE_NETDEV       eth0
 180 #endif
 181
 182 /*
 183  * Only some 4xx PPC's are equipped with an FPU
 184  */
 185 #if defined(CONFIG_440EP) || defined(CONFIG_440EPX) || \
 186     defined(CONFIG_460EX) || defined(CONFIG_460GT)
 187 #define CONFIG_AMCC_DEF_ENV_ROOTPATH    "rootpath=/opt/eldk/ppc_4xxFP\0"
 188 #else
 189 #define CONFIG_AMCC_DEF_ENV_ROOTPATH    "rootpath=/opt/eldk/ppc_4xx\0"
 190 #endif
 191
 192 /*
 193  * Only some boards need to extend the bootargs by some additional
 194  * parameters (like Makalu)
 195  */
 196 #if !defined(CONFIG_ADDMISC)
 197 #define CONFIG_ADDMISC  "addmisc=setenv bootargs ${bootargs}\0"
 198 #endif
 199
 200 #define xstr(s) str(s)
 201 #define str(s)  #s
 202
 203 /*
 204  * General common environment variables shared on all AMCC eval boards
 205  */
 206 #define CONFIG_AMCC_DEF_ENV                                             \
 207         "netdev=" xstr(CONFIG_USE_NETDEV) "\0"                          \
 208         "nfsargs=setenv bootargs root=/dev/nfs rw "                     \
 209                 "nfsroot=${serverip}:${rootpath}\0"                     \
 210         "ramargs=setenv bootargs root=/dev/ram rw\0"                    \
 211         "addip=setenv bootargs ${bootargs} "                            \
 212                 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"      \
 213                 ":${hostname}:${netdev}:off panic=1\0"                  \
 214         "addtty=setenv bootargs ${bootargs}"                            \
 215                 " console=" xstr(CONFIG_USE_TTY) ",${baudrate}\0"       \
 216         CONFIG_ADDMISC                                                  \
 217         "initrd_high=30000000\0"                                        \
 218         "kernel_addr_r=1000000\0"                                       \
 219         "fdt_addr_r=1800000\0"                                          \
 220         "ramdisk_addr_r=1900000\0"                                      \
 221         "hostname=" xstr(CONFIG_HOSTNAME) "\0"                          \
 222         "bootfile=" xstr(CONFIG_HOSTNAME) "/uImage\0"                   \
 223         "ramdisk_file=" xstr(CONFIG_HOSTNAME) "/uRamdisk\0"             \
 224         CONFIG_AMCC_DEF_ENV_ROOTPATH
 225
 226 /*
 227  * Default environment for arch/powerpc booting
 228  * for boards that are ported to arch/powerpc
 229  */
 230 #define CONFIG_AMCC_DEF_ENV_POWERPC                                     \
 231         "flash_self=run ramargs addip addtty addmisc;"                  \
 232                 "bootm ${kernel_addr} ${ramdisk_addr} ${fdt_addr}\0"    \
 233         "flash_nfs=run nfsargs addip addtty addmisc;"                   \
 234                 "bootm ${kernel_addr} - ${fdt_addr}\0"                  \
 235         "net_nfs=tftp ${kernel_addr_r} ${bootfile}; "                   \
 236                 "tftp ${fdt_addr_r} ${fdt_file}; "                      \
 237                 "run nfsargs addip addtty addmisc;"                     \
 238                 "bootm ${kernel_addr_r} - ${fdt_addr_r}\0"              \
 239         "net_self_load=tftp ${kernel_addr_r} ${bootfile};"              \
 240                 "tftp ${fdt_addr_r} ${fdt_file};"                       \
 241                 "tftp ${ramdisk_addr_r} ${ramdisk_file};\0"             \
 242         "net_self=run net_self_load;"                                   \
 243                 "run ramargs addip addtty addmisc;"                     \
 244                 "bootm ${kernel_addr_r} ${ramdisk_addr_r} ${fdt_addr_r}\0" \
 245         "fdt_file=" xstr(CONFIG_HOSTNAME) "/" xstr(CONFIG_HOSTNAME) ".dtb\0"
 246
 247 /*
 248  * Default environment for arch/ppc booting,
 249  * for boards that are not ported to arch/powerpc yet
 250  */
 251 #define CONFIG_AMCC_DEF_ENV_PPC                                         \
 252         "flash_self=run ramargs addip addtty addmisc;"                  \
 253                 "bootm ${kernel_addr} ${ramdisk_addr}\0"                \
 254         "flash_nfs=run nfsargs addip addtty addmisc;"                   \
 255                 "bootm ${kernel_addr}\0"                                \
 256         "net_nfs=tftp ${kernel_addr_r} ${bootfile};"                    \
 257                 "run nfsargs addip addtty addmisc;"                     \
 258                 "bootm ${kernel_addr_r}\0"
 259
 260 /*
 261  * Default environment for arch/ppc booting (old version),
 262  * for boards that are ported to arch/ppc and arch/powerpc
 263  */
 264 #define CONFIG_AMCC_DEF_ENV_PPC_OLD                                     \
 265         "flash_self_old=run ramargs addip addtty addmisc;"              \
 266                 "bootm ${kernel_addr} ${ramdisk_addr}\0"                \
 267         "flash_nfs_old=run nfsargs addip addtty addmisc;"               \
 268                 "bootm ${kernel_addr}\0"                                \
 269         "net_nfs_old=tftp ${kernel_addr_r} ${bootfile};"                \
 270                 "run nfsargs addip addtty addmisc;"                     \
 271                 "bootm ${kernel_addr_r}\0"
 272
 273 #define CONFIG_AMCC_DEF_ENV_NOR_UPD                                     \
 274         "load=tftp 200000 " xstr(CONFIG_HOSTNAME) "/u-boot.bin\0"       \
 275         "update=protect off " xstr(CONFIG_SYS_MONITOR_BASE) " FFFFFFFF;"        \
 276                 "era " xstr(CONFIG_SYS_MONITOR_BASE) " FFFFFFFF;"               \
 277                 "cp.b ${fileaddr} " xstr(CONFIG_SYS_MONITOR_BASE) " ${filesize};" \
 278                 "setenv filesize;saveenv\0"                             \
 279         "upd=run load update\0"                                         \
 280
 281 #define CONFIG_AMCC_DEF_ENV_NAND_UPD                                    \
 282         "nload=tftp 200000 " xstr(CONFIG_HOSTNAME) "/u-boot-nand.bin\0" \
 283         "nupdate=nand erase 0 100000;nand write 200000 0 100000;"       \
 284                 "setenv filesize;saveenv\0"                             \
 285         "nupd=run nload nupdate\0"
 286
 287 #endif /* __AMCC_COMMON_H */