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_HARD_I2C                 /* I2C with hardware support    */
  46 #define CONFIG_PPC4XX_I2C               /* use PPC4xx driver            */
  47 #define CONFIG_SYS_I2C_SLAVE            0x7F
  48
  49 /*
  50  * Ethernet/EMAC/PHY
  51  */
  52 #define CONFIG_PPC4xx_EMAC
  53 #define CONFIG_MII                      /* MII PHY management           */
  54 #define CONFIG_NETCONSOLE               /* include NetConsole support   */
  55 #if defined(CONFIG_440)
  56 #define CONFIG_SYS_RX_ETH_BUFFER        32      /* number of eth rx buffers     */
  57 #else
  58 #define CONFIG_SYS_RX_ETH_BUFFER        16      /* number of eth rx buffers     */
  59 #endif
  60
  61 /*
  62  * Commands
  63  */
  64 #include <config_cmd_default.h>
  65
  66 #define CONFIG_CMD_ASKENV
  67 #if defined(CONFIG_440)
  68 #define CONFIG_CMD_CACHE
  69 #endif
  70 #define CONFIG_CMD_DHCP
  71 #define CONFIG_CMD_DIAG
  72 #define CONFIG_CMD_EEPROM
  73 #define CONFIG_CMD_ELF
  74 #define CONFIG_CMD_GREPENV
  75 #define CONFIG_CMD_I2C
  76 #define CONFIG_CMD_IRQ
  77 #define CONFIG_CMD_MII
  78 #define CONFIG_CMD_NET
  79 #define CONFIG_CMD_NFS
  80 #define CONFIG_CMD_PING
  81 #define CONFIG_CMD_REGINFO
  82 #define CONFIG_CMD_SETEXPR
  83
  84 /*
  85  * Miscellaneous configurable options
  86  */
  87 #define CONFIG_BOOTDELAY        5       /* autoboot after 5 seconds     */
  88 #define CONFIG_SYS_LONGHELP                     /* undef to save memory         */
  89 #define CONFIG_SYS_PROMPT               "=> "   /* Monitor Command Prompt       */
  90 #if defined(CONFIG_CMD_KGDB)
  91 #define CONFIG_SYS_CBSIZE               1024    /* Console I/O Buffer Size      */
  92 #else
  93 #define CONFIG_SYS_CBSIZE               256     /* Console I/O Buffer Size      */
  94 #endif
  95 #define CONFIG_SYS_PBSIZE               (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
  96 #define CONFIG_SYS_MAXARGS              16      /* max number of command args   */
  97 #define CONFIG_SYS_BARGSIZE             CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size  */
  98
  99 #define CONFIG_SYS_MEMTEST_START        0x0400000 /* memtest works on           */
 100 #define CONFIG_SYS_MEMTEST_END          0x0C00000 /* 4 ... 12 MB in DRAM        */
 101
 102 #define CONFIG_SYS_LOAD_ADDR            0x100000  /* default load address       */
 103 #define CONFIG_SYS_EXTBDINFO                    /* To use extended board_into (bd_t) */
 104
 105 #define CONFIG_SYS_HZ                   1000    /* decrementer freq: 1 ms ticks */
 106
 107 #define CONFIG_CMDLINE_EDITING          /* add command line history     */
 108 #define CONFIG_AUTO_COMPLETE            /* add autocompletion support   */
 109 #define CONFIG_LOOPW                    /* enable loopw command         */
 110 #define CONFIG_MX_CYCLIC                /* enable mdc/mwc commands      */
 111 #define CONFIG_ZERO_BOOTDELAY_CHECK     /* check for keypress on bootdelay==0 */
 112 #define CONFIG_VERSION_VARIABLE         /* include version env variable */
 113 #define CONFIG_SYS_CONSOLE_INFO_QUIET   /* don't print console @ startup*/
 114
 115 #define CONFIG_SYS_HUSH_PARSER          /* Use the HUSH parser          */
 116
 117 #define CONFIG_LOADS_ECHO               /* echo on for serial download  */
 118 #define CONFIG_SYS_LOADS_BAUD_CHANGE    /* allow baudrate change        */
 119
 120 #define CONFIG_REGEX                    /* Enable regular expression support */
 121 /*
 122  * BOOTP options
 123  */
 124 #define CONFIG_BOOTP_BOOTFILESIZE
 125 #define CONFIG_BOOTP_BOOTPATH
 126 #define CONFIG_BOOTP_GATEWAY
 127 #define CONFIG_BOOTP_HOSTNAME
 128 #define CONFIG_BOOTP_SUBNETMASK
 129
 130 /*
 131  * For booting Linux, the board info and command line data
 132  * have to be in the first 16 MB of memory, since this is
 133  * the maximum mapped by the 40x Linux kernel during initialization.
 134  */
 135 #define CONFIG_SYS_BOOTMAPSZ            (16 << 20) /* Initial Memory map for Linux */
 136 #define CONFIG_SYS_BOOTM_LEN            (16 << 20) /* Increase max gunzip size */
 137
 138 /*
 139  * Internal Definitions
 140  */
 141 #if defined(CONFIG_CMD_KGDB)
 142 #define CONFIG_KGDB_BAUDRATE    230400  /* speed to run kgdb serial port*/
 143 #define CONFIG_KGDB_SER_INDEX   2       /* which serial port to use     */
 144 #endif
 145
 146 /*
 147  * Pass open firmware flat tree
 148  */
 149 #define CONFIG_OF_LIBFDT
 150 #define CONFIG_OF_BOARD_SETUP
 151 /* Update size in "reg" property of NOR FLASH device tree nodes */
 152 #define CONFIG_FDT_FIXUP_NOR_FLASH_SIZE
 153
 154 /*
 155  * Booting and default environment
 156  */
 157 #define CONFIG_PREBOOT  "echo;" \
 158         "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
 159         "echo"
 160 #define CONFIG_BOOTCOMMAND      "run flash_self"
 161
 162 /*
 163  * Only very few boards have default console not on ttyS0 (like Taishan)
 164  */
 165 #if !defined(CONFIG_USE_TTY)
 166 #define CONFIG_USE_TTY  ttyS0
 167 #endif
 168
 169 /*
 170  * Only very few boards have default netdev not set to eth0 (like Arches)
 171  */
 172 #if !defined(CONFIG_USE_NETDEV)
 173 #define CONFIG_USE_NETDEV       eth0
 174 #endif
 175
 176 /*
 177  * Only some 4xx PPC's are equipped with an FPU
 178  */
 179 #if defined(CONFIG_440EP) || defined(CONFIG_440EPX) || \
 180     defined(CONFIG_460EX) || defined(CONFIG_460GT)
 181 #define CONFIG_AMCC_DEF_ENV_ROOTPATH    "rootpath=/opt/eldk/ppc_4xxFP\0"
 182 #else
 183 #define CONFIG_AMCC_DEF_ENV_ROOTPATH    "rootpath=/opt/eldk/ppc_4xx\0"
 184 #endif
 185
 186 /*
 187  * Only some boards need to extend the bootargs by some additional
 188  * parameters (like Makalu)
 189  */
 190 #if !defined(CONFIG_ADDMISC)
 191 #define CONFIG_ADDMISC  "addmisc=setenv bootargs ${bootargs}\0"
 192 #endif
 193
 194 /*
 195  * General common environment variables shared on all AMCC eval boards
 196  */
 197 #define CONFIG_AMCC_DEF_ENV                                             \
 198         "netdev=" __stringify(CONFIG_USE_NETDEV) "\0"                           \
 199         "nfsargs=setenv bootargs root=/dev/nfs rw "                     \
 200                 "nfsroot=${serverip}:${rootpath}\0"                     \
 201         "ramargs=setenv bootargs root=/dev/ram rw\0"                    \
 202         "addip=setenv bootargs ${bootargs} "                            \
 203                 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"      \
 204                 ":${hostname}:${netdev}:off panic=1\0"                  \
 205         "addtty=setenv bootargs ${bootargs}"                            \
 206                 " console=" __stringify(CONFIG_USE_TTY) ",${baudrate}\0"        \
 207         CONFIG_ADDMISC                                                  \
 208         "initrd_high=30000000\0"                                        \
 209         "kernel_addr_r=1000000\0"                                       \
 210         "fdt_addr_r=1800000\0"                                          \
 211         "ramdisk_addr_r=1900000\0"                                      \
 212         "hostname=" __stringify(CONFIG_HOSTNAME) "\0"                           \
 213         "bootfile=" __stringify(CONFIG_HOSTNAME) "/uImage\0"                    \
 214         "ramdisk_file=" __stringify(CONFIG_HOSTNAME) "/uRamdisk\0"              \
 215         CONFIG_AMCC_DEF_ENV_ROOTPATH
 216
 217 /*
 218  * Default environment for arch/powerpc booting
 219  * for boards that are ported to arch/powerpc
 220  */
 221 #define CONFIG_AMCC_DEF_ENV_POWERPC                                     \
 222         "flash_self=run ramargs addip addtty addmisc;"                  \
 223                 "bootm ${kernel_addr} ${ramdisk_addr} ${fdt_addr}\0"    \
 224         "flash_nfs=run nfsargs addip addtty addmisc;"                   \
 225                 "bootm ${kernel_addr} - ${fdt_addr}\0"                  \
 226         "net_nfs=tftp ${kernel_addr_r} ${bootfile}; "                   \
 227                 "tftp ${fdt_addr_r} ${fdt_file}; "                      \
 228                 "run nfsargs addip addtty addmisc;"                     \
 229                 "bootm ${kernel_addr_r} - ${fdt_addr_r}\0"              \
 230         "net_self_load=tftp ${kernel_addr_r} ${bootfile};"              \
 231                 "tftp ${fdt_addr_r} ${fdt_file};"                       \
 232                 "tftp ${ramdisk_addr_r} ${ramdisk_file};\0"             \
 233         "net_self=run net_self_load;"                                   \
 234                 "run ramargs addip addtty addmisc;"                     \
 235                 "bootm ${kernel_addr_r} ${ramdisk_addr_r} ${fdt_addr_r}\0" \
 236         "fdt_file=" __stringify(CONFIG_HOSTNAME) "/" __stringify(CONFIG_HOSTNAME) ".dtb\0"
 237
 238 /*
 239  * Default environment for arch/ppc booting,
 240  * for boards that are not ported to arch/powerpc yet
 241  */
 242 #define CONFIG_AMCC_DEF_ENV_PPC                                         \
 243         "flash_self=run ramargs addip addtty addmisc;"                  \
 244                 "bootm ${kernel_addr} ${ramdisk_addr}\0"                \
 245         "flash_nfs=run nfsargs addip addtty addmisc;"                   \
 246                 "bootm ${kernel_addr}\0"                                \
 247         "net_nfs=tftp ${kernel_addr_r} ${bootfile};"                    \
 248                 "run nfsargs addip addtty addmisc;"                     \
 249                 "bootm ${kernel_addr_r}\0"
 250
 251 /*
 252  * Default environment for arch/ppc booting (old version),
 253  * for boards that are ported to arch/ppc and arch/powerpc
 254  */
 255 #define CONFIG_AMCC_DEF_ENV_PPC_OLD                                     \
 256         "flash_self_old=run ramargs addip addtty addmisc;"              \
 257                 "bootm ${kernel_addr} ${ramdisk_addr}\0"                \
 258         "flash_nfs_old=run nfsargs addip addtty addmisc;"               \
 259                 "bootm ${kernel_addr}\0"                                \
 260         "net_nfs_old=tftp ${kernel_addr_r} ${bootfile};"                \
 261                 "run nfsargs addip addtty addmisc;"                     \
 262                 "bootm ${kernel_addr_r}\0"
 263
 264 #define CONFIG_AMCC_DEF_ENV_NOR_UPD                                     \
 265         "u-boot=" __stringify(CONFIG_HOSTNAME) "/u-boot.bin\0"          \
 266         "load=tftp 200000 ${u-boot}\0"                                  \
 267         "update=protect off " __stringify(CONFIG_SYS_MONITOR_BASE) " FFFFFFFF;" \
 268                 "era " __stringify(CONFIG_SYS_MONITOR_BASE) " FFFFFFFF;"        \
 269                 "cp.b ${fileaddr} " __stringify(CONFIG_SYS_MONITOR_BASE) " ${filesize}\0" \
 270         "upd=run load update\0"                                         \
 271
 272 #define CONFIG_AMCC_DEF_ENV_NAND_UPD                                    \
 273         "u-boot-nand=" __stringify(CONFIG_HOSTNAME) "/u-boot-nand.bin\0"\
 274         "nload=tftp 200000 ${u-boot-nand}\0"                            \
 275         "nupdate=nand erase 0 100000;nand write 200000 0 100000\0"      \
 276         "nupd=run nload nupdate\0"
 277
 278 #endif /* __AMCC_COMMON_H */