LXR uboot/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_I2C
  75#define CONFIG_CMD_IRQ
  76#define CONFIG_CMD_MII
  77#define CONFIG_CMD_NET
  78#define CONFIG_CMD_NFS
  79#define CONFIG_CMD_PING
  80#define CONFIG_CMD_REGINFO
  81
  82/*
  83 * Miscellaneous configurable options
  84 */
  85#define CONFIG_BOOTDELAY        5       /* autoboot after 5 seconds     */
  86#define CONFIG_SYS_LONGHELP                     /* undef to save memory         */
  87#define CONFIG_SYS_PROMPT               "=> "   /* Monitor Command Prompt       */
  88#if defined(CONFIG_CMD_KGDB)
  89#define CONFIG_SYS_CBSIZE               1024    /* Console I/O Buffer Size      */
  90#else
  91#define CONFIG_SYS_CBSIZE               256     /* Console I/O Buffer Size      */
  92#endif
  93#define CONFIG_SYS_PBSIZE               (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
  94#define CONFIG_SYS_MAXARGS              16      /* max number of command args   */
  95#define CONFIG_SYS_BARGSIZE             CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size  */
  96
  97#define CONFIG_SYS_MEMTEST_START        0x0400000 /* memtest works on           */
  98#define CONFIG_SYS_MEMTEST_END          0x0C00000 /* 4 ... 12 MB in DRAM        */
  99
 100#define CONFIG_SYS_LOAD_ADDR            0x100000  /* default load address       */
 101#define CONFIG_SYS_EXTBDINFO                    /* To use extended board_into (bd_t) */
 102
 103#define CONFIG_SYS_HZ                   1000    /* decrementer freq: 1 ms ticks */
 104
 105#define CONFIG_CMDLINE_EDITING          /* add command line history     */
 106#define CONFIG_AUTO_COMPLETE            /* add autocompletion support   */
 107#define CONFIG_LOOPW                    /* enable loopw command         */
 108#define CONFIG_MX_CYCLIC                /* enable mdc/mwc commands      */
 109#define CONFIG_ZERO_BOOTDELAY_CHECK     /* check for keypress on bootdelay==0 */
 110#define CONFIG_VERSION_VARIABLE         /* include version env variable */
 111#define CONFIG_SYS_CONSOLE_INFO_QUIET           /* don't print console @ startup*/
 112
 113#define CONFIG_SYS_HUSH_PARSER                  /* Use the HUSH parser          */
 114
 115#define CONFIG_LOADS_ECHO               /* echo on for serial download  */
 116#define CONFIG_SYS_LOADS_BAUD_CHANGE            /* allow baudrate change        */
 117
 118/*
 119 * BOOTP options
 120 */
 121#define CONFIG_BOOTP_BOOTFILESIZE
 122#define CONFIG_BOOTP_BOOTPATH
 123#define CONFIG_BOOTP_GATEWAY
 124#define CONFIG_BOOTP_HOSTNAME
 125#define CONFIG_BOOTP_SUBNETMASK
 126
 127/*
 128 * For booting Linux, the board info and command line data
 129 * have to be in the first 16 MB of memory, since this is
 130 * the maximum mapped by the 40x Linux kernel during initialization.
 131 */
 132#define CONFIG_SYS_BOOTMAPSZ            (16 << 20) /* Initial Memory map for Linux */
 133#define CONFIG_SYS_BOOTM_LEN            (16 << 20) /* Increase max gunzip size */
 134
 135/*
 136 * Internal Definitions
 137 */
 138#if defined(CONFIG_CMD_KGDB)
 139#define CONFIG_KGDB_BAUDRATE    230400  /* speed to run kgdb serial port*/
 140#define CONFIG_KGDB_SER_INDEX   2       /* which serial port to use     */
 141#endif
 142
 143/*
 144 * Pass open firmware flat tree
 145 */
 146#define CONFIG_OF_LIBFDT
 147#define CONFIG_OF_BOARD_SETUP
 148/* Update size in "reg" property of NOR FLASH device tree nodes */
 149#define CONFIG_FDT_FIXUP_NOR_FLASH_SIZE
 150
 151/*
 152 * Booting and default environment
 153 */
 154#define CONFIG_PREBOOT  "echo;" \
 155        "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
 156        "echo"
 157#define CONFIG_BOOTCOMMAND      "run flash_self"
 158
 159/*
 160 * Only very few boards have default console not on ttyS0 (like Taishan)
 161 */
 162#if !defined(CONFIG_USE_TTY)
 163#define CONFIG_USE_TTY  ttyS0
 164#endif
 165
 166/*
 167 * Only very few boards have default netdev not set to eth0 (like Arches)
 168 */
 169#if !defined(CONFIG_USE_NETDEV)
 170#define CONFIG_USE_NETDEV       eth0
 171#endif
 172
 173/*
 174 * Only some 4xx PPC's are equipped with an FPU
 175 */
 176#if defined(CONFIG_440EP) || defined(CONFIG_440EPX) || \
 177    defined(CONFIG_460EX) || defined(CONFIG_460GT)
 178#define CONFIG_AMCC_DEF_ENV_ROOTPATH    "rootpath=/opt/eldk/ppc_4xxFP\0"
 179#else
 180#define CONFIG_AMCC_DEF_ENV_ROOTPATH    "rootpath=/opt/eldk/ppc_4xx\0"
 181#endif
 182
 183/*
 184 * Only some boards need to extend the bootargs by some additional
 185 * parameters (like Makalu)
 186 */
 187#if !defined(CONFIG_ADDMISC)
 188#define CONFIG_ADDMISC  "addmisc=setenv bootargs ${bootargs}\0"
 189#endif
 190
 191/*
 192 * General common environment variables shared on all AMCC eval boards
 193 */
 194#define CONFIG_AMCC_DEF_ENV                                             \
 195        "netdev=" __stringify(CONFIG_USE_NETDEV) "\0"                           \
 196        "nfsargs=setenv bootargs root=/dev/nfs rw "                     \
 197                "nfsroot=${serverip}:${rootpath}\0"                     \
 198        "ramargs=setenv bootargs root=/dev/ram rw\0"                    \
 199        "addip=setenv bootargs ${bootargs} "                            \
 200                "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"      \
 201                ":${hostname}:${netdev}:off panic=1\0"                  \
 202        "addtty=setenv bootargs ${bootargs}"                            \
 203                " console=" __stringify(CONFIG_USE_TTY) ",${baudrate}\0"        \
 204        CONFIG_ADDMISC                                                  \
 205        "initrd_high=30000000\0"                                        \
 206        "kernel_addr_r=1000000\0"                                       \
 207        "fdt_addr_r=1800000\0"                                          \
 208        "ramdisk_addr_r=1900000\0"                                      \
 209        "hostname=" __stringify(CONFIG_HOSTNAME) "\0"                           \
 210        "bootfile=" __stringify(CONFIG_HOSTNAME) "/uImage\0"                    \
 211        "ramdisk_file=" __stringify(CONFIG_HOSTNAME) "/uRamdisk\0"              \
 212        CONFIG_AMCC_DEF_ENV_ROOTPATH
 213
 214/*
 215 * Default environment for arch/powerpc booting
 216 * for boards that are ported to arch/powerpc
 217 */
 218#define CONFIG_AMCC_DEF_ENV_POWERPC                                     \
 219        "flash_self=run ramargs addip addtty addmisc;"                  \
 220                "bootm ${kernel_addr} ${ramdisk_addr} ${fdt_addr}\0"    \
 221        "flash_nfs=run nfsargs addip addtty addmisc;"                   \
 222                "bootm ${kernel_addr} - ${fdt_addr}\0"                  \
 223        "net_nfs=tftp ${kernel_addr_r} ${bootfile}; "                   \
 224                "tftp ${fdt_addr_r} ${fdt_file}; "                      \
 225                "run nfsargs addip addtty addmisc;"                     \
 226                "bootm ${kernel_addr_r} - ${fdt_addr_r}\0"              \
 227        "net_self_load=tftp ${kernel_addr_r} ${bootfile};"              \
 228                "tftp ${fdt_addr_r} ${fdt_file};"                       \
 229                "tftp ${ramdisk_addr_r} ${ramdisk_file};\0"             \
 230        "net_self=run net_self_load;"                                   \
 231                "run ramargs addip addtty addmisc;"                     \
 232                "bootm ${kernel_addr_r} ${ramdisk_addr_r} ${fdt_addr_r}\0" \
 233        "fdt_file=" __stringify(CONFIG_HOSTNAME) "/" __stringify(CONFIG_HOSTNAME) ".dtb\0"
 234
 235/*
 236 * Default environment for arch/ppc booting,
 237 * for boards that are not ported to arch/powerpc yet
 238 */
 239#define CONFIG_AMCC_DEF_ENV_PPC                                         \
 240        "flash_self=run ramargs addip addtty addmisc;"                  \
 241                "bootm ${kernel_addr} ${ramdisk_addr}\0"                \
 242        "flash_nfs=run nfsargs addip addtty addmisc;"                   \
 243                "bootm ${kernel_addr}\0"                                \
 244        "net_nfs=tftp ${kernel_addr_r} ${bootfile};"                    \
 245                "run nfsargs addip addtty addmisc;"                     \
 246                "bootm ${kernel_addr_r}\0"
 247
 248/*
 249 * Default environment for arch/ppc booting (old version),
 250 * for boards that are ported to arch/ppc and arch/powerpc
 251 */
 252#define CONFIG_AMCC_DEF_ENV_PPC_OLD                                     \
 253        "flash_self_old=run ramargs addip addtty addmisc;"              \
 254                "bootm ${kernel_addr} ${ramdisk_addr}\0"                \
 255        "flash_nfs_old=run nfsargs addip addtty addmisc;"               \
 256                "bootm ${kernel_addr}\0"                                \
 257        "net_nfs_old=tftp ${kernel_addr_r} ${bootfile};"                \
 258                "run nfsargs addip addtty addmisc;"                     \
 259                "bootm ${kernel_addr_r}\0"
 260
 261#define CONFIG_AMCC_DEF_ENV_NOR_UPD                                     \
 262        "u-boot=" __stringify(CONFIG_HOSTNAME) "/u-boot.bin\0"          \
 263        "load=tftp 200000 ${u-boot}\0"                                  \
 264        "update=protect off " __stringify(CONFIG_SYS_MONITOR_BASE) " FFFFFFFF;" \
 265                "era " __stringify(CONFIG_SYS_MONITOR_BASE) " FFFFFFFF;"        \
 266                "cp.b ${fileaddr} " __stringify(CONFIG_SYS_MONITOR_BASE) " ${filesize}\0" \
 267        "upd=run load update\0"                                         \
 268
 269#define CONFIG_AMCC_DEF_ENV_NAND_UPD                                    \
 270        "u-boot-nand=" __stringify(CONFIG_HOSTNAME) "/u-boot-nand.bin\0"\
 271        "nload=tftp 200000 ${u-boot-nand}\0"                            \
 272        "nupdate=nand erase 0 100000;nand write 200000 0 100000\0"      \
 273        "nupd=run nload nupdate\0"
 274
 275#endif /* __AMCC_COMMON_H */
 276