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 * SPDX-License-Identifier:     GPL-2.0+
   8 */
   9
  10#ifndef __AMCC_COMMON_H
  11#define __AMCC_COMMON_H
  12
  13#define CONFIG_SYS_SDRAM_BASE           0x00000000      /* _must_ be 0          */
  14#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE    /* Start of U-Boot      */
  15#define CONFIG_SYS_MONITOR_LEN          (0xFFFFFFFF - CONFIG_SYS_MONITOR_BASE + 1)
  16#define CONFIG_SYS_MALLOC_LEN           (1 << 20)       /* Reserved for malloc  */
  17
  18/*
  19 * UART
  20 */
  21#define CONFIG_SYS_NS16550_SERIAL
  22#ifndef CONFIG_DM_SERIAL
  23#define CONFIG_SYS_NS16550_REG_SIZE     1
  24#define CONFIG_SYS_NS16550_CLK          get_serial_clock()
  25#endif
  26#define CONFIG_SYS_BAUDRATE_TABLE  \
  27    {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
  28
  29/*
  30 * I2C
  31 */
  32#define CONFIG_SYS_I2C
  33#define CONFIG_SYS_I2C_PPC4XX
  34#define CONFIG_SYS_I2C_PPC4XX_CH0
  35#define CONFIG_SYS_I2C_PPC4XX_SLAVE_0           0x7F
  36
  37/*
  38 * Ethernet/EMAC/PHY
  39 */
  40#define CONFIG_PPC4xx_EMAC
  41#define CONFIG_MII                      /* MII PHY management           */
  42#define CONFIG_NETCONSOLE               /* include NetConsole support   */
  43#if defined(CONFIG_440)
  44#define CONFIG_SYS_RX_ETH_BUFFER        32      /* number of eth rx buffers     */
  45#else
  46#define CONFIG_SYS_RX_ETH_BUFFER        16      /* number of eth rx buffers     */
  47#endif
  48
  49/*
  50 * Commands
  51 */
  52#if defined(CONFIG_440)
  53#endif
  54#define CONFIG_CMD_EEPROM
  55#define CONFIG_CMD_IRQ
  56#define CONFIG_CMD_REGINFO
  57
  58/*
  59 * Miscellaneous configurable options
  60 */
  61#if defined(CONFIG_CMD_KGDB)
  62#define CONFIG_SYS_CBSIZE               1024    /* Console I/O Buffer Size      */
  63#else
  64#define CONFIG_SYS_CBSIZE               256     /* Console I/O Buffer Size      */
  65#endif
  66#define CONFIG_SYS_PBSIZE               (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
  67#define CONFIG_SYS_MAXARGS              16      /* max number of command args   */
  68#define CONFIG_SYS_BARGSIZE             CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size  */
  69
  70#define CONFIG_SYS_MEMTEST_START        0x0400000 /* memtest works on           */
  71#define CONFIG_SYS_MEMTEST_END          0x0C00000 /* 4 ... 12 MB in DRAM        */
  72
  73#define CONFIG_SYS_LOAD_ADDR            0x100000  /* default load address       */
  74#define CONFIG_SYS_EXTBDINFO                    /* To use extended board_into (bd_t) */
  75
  76#define CONFIG_CMDLINE_EDITING          /* add command line history     */
  77#define CONFIG_AUTO_COMPLETE            /* add autocompletion support   */
  78#define CONFIG_MX_CYCLIC                /* enable mdc/mwc commands      */
  79
  80#define CONFIG_LOADS_ECHO               /* echo on for serial download  */
  81#define CONFIG_SYS_LOADS_BAUD_CHANGE    /* allow baudrate change        */
  82
  83/*
  84 * BOOTP options
  85 */
  86#define CONFIG_BOOTP_BOOTFILESIZE
  87#define CONFIG_BOOTP_BOOTPATH
  88#define CONFIG_BOOTP_GATEWAY
  89#define CONFIG_BOOTP_HOSTNAME
  90#define CONFIG_BOOTP_SUBNETMASK
  91
  92/*
  93 * For booting Linux, the board info and command line data
  94 * have to be in the first 16 MB of memory, since this is
  95 * the maximum mapped by the 40x Linux kernel during initialization.
  96 */
  97#define CONFIG_SYS_BOOTMAPSZ            (16 << 20) /* Initial Memory map for Linux */
  98#define CONFIG_SYS_BOOTM_LEN            (16 << 20) /* Increase max gunzip size */
  99
 100/*
 101 * Internal Definitions
 102 */
 103#if defined(CONFIG_CMD_KGDB)
 104#define CONFIG_KGDB_BAUDRATE    230400  /* speed to run kgdb serial port*/
 105#endif
 106
 107/* Update size in "reg" property of NOR FLASH device tree nodes */
 108#define CONFIG_FDT_FIXUP_NOR_FLASH_SIZE
 109
 110/*
 111 * Booting and default environment
 112 */
 113#define CONFIG_PREBOOT  "echo;" \
 114        "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
 115        "echo"
 116#define CONFIG_BOOTCOMMAND      "run flash_self"
 117
 118/*
 119 * Only very few boards have default console not on ttyS0 (like Taishan)
 120 */
 121#if !defined(CONFIG_USE_TTY)
 122#define CONFIG_USE_TTY  ttyS0
 123#endif
 124
 125/*
 126 * Only very few boards have default netdev not set to eth0 (like Arches)
 127 */
 128#if !defined(CONFIG_USE_NETDEV)
 129#define CONFIG_USE_NETDEV       eth0
 130#endif
 131
 132/*
 133 * Only some 4xx PPC's are equipped with an FPU
 134 */
 135#if defined(CONFIG_440EP) || defined(CONFIG_440EPX) || \
 136    defined(CONFIG_460EX) || defined(CONFIG_460GT)
 137#define CONFIG_AMCC_DEF_ENV_ROOTPATH    "rootpath=/opt/eldk/ppc_4xxFP\0"
 138#else
 139#define CONFIG_AMCC_DEF_ENV_ROOTPATH    "rootpath=/opt/eldk/ppc_4xx\0"
 140#endif
 141
 142/*
 143 * Only some boards need to extend the bootargs by some additional
 144 * parameters (like Makalu)
 145 */
 146#if !defined(CONFIG_ADDMISC)
 147#define CONFIG_ADDMISC  "addmisc=setenv bootargs ${bootargs}\0"
 148#endif
 149
 150/*
 151 * General common environment variables shared on all AMCC eval boards
 152 */
 153#define CONFIG_AMCC_DEF_ENV                                             \
 154        "netdev=" __stringify(CONFIG_USE_NETDEV) "\0"                           \
 155        "nfsargs=setenv bootargs root=/dev/nfs rw "                     \
 156                "nfsroot=${serverip}:${rootpath}\0"                     \
 157        "ramargs=setenv bootargs root=/dev/ram rw\0"                    \
 158        "addip=setenv bootargs ${bootargs} "                            \
 159                "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"      \
 160                ":${hostname}:${netdev}:off panic=1\0"                  \
 161        "addtty=setenv bootargs ${bootargs}"                            \
 162                " console=" __stringify(CONFIG_USE_TTY) ",${baudrate}\0"        \
 163        CONFIG_ADDMISC                                                  \
 164        "initrd_high=30000000\0"                                        \
 165        "kernel_addr_r=1000000\0"                                       \
 166        "fdt_addr_r=1800000\0"                                          \
 167        "ramdisk_addr_r=1900000\0"                                      \
 168        "hostname=" __stringify(CONFIG_HOSTNAME) "\0"                           \
 169        "bootfile=" __stringify(CONFIG_HOSTNAME) "/uImage\0"                    \
 170        "ramdisk_file=" __stringify(CONFIG_HOSTNAME) "/uRamdisk\0"              \
 171        CONFIG_AMCC_DEF_ENV_ROOTPATH
 172
 173/*
 174 * Default environment for arch/powerpc booting
 175 * for boards that are ported to arch/powerpc
 176 */
 177#define CONFIG_AMCC_DEF_ENV_POWERPC                                     \
 178        "flash_self=run ramargs addip addtty addmisc;"                  \
 179                "bootm ${kernel_addr} ${ramdisk_addr} ${fdt_addr}\0"    \
 180        "flash_nfs=run nfsargs addip addtty addmisc;"                   \
 181                "bootm ${kernel_addr} - ${fdt_addr}\0"                  \
 182        "net_nfs=tftp ${kernel_addr_r} ${bootfile}; "                   \
 183                "tftp ${fdt_addr_r} ${fdt_file}; "                      \
 184                "run nfsargs addip addtty addmisc;"                     \
 185                "bootm ${kernel_addr_r} - ${fdt_addr_r}\0"              \
 186        "net_self_load=tftp ${kernel_addr_r} ${bootfile};"              \
 187                "tftp ${fdt_addr_r} ${fdt_file};"                       \
 188                "tftp ${ramdisk_addr_r} ${ramdisk_file};\0"             \
 189        "net_self=run net_self_load;"                                   \
 190                "run ramargs addip addtty addmisc;"                     \
 191                "bootm ${kernel_addr_r} ${ramdisk_addr_r} ${fdt_addr_r}\0" \
 192        "fdt_file=" __stringify(CONFIG_HOSTNAME) "/" __stringify(CONFIG_HOSTNAME) ".dtb\0"
 193
 194/*
 195 * Default environment for arch/ppc booting,
 196 * for boards that are not ported to arch/powerpc yet
 197 */
 198#define CONFIG_AMCC_DEF_ENV_PPC                                         \
 199        "flash_self=run ramargs addip addtty addmisc;"                  \
 200                "bootm ${kernel_addr} ${ramdisk_addr}\0"                \
 201        "flash_nfs=run nfsargs addip addtty addmisc;"                   \
 202                "bootm ${kernel_addr}\0"                                \
 203        "net_nfs=tftp ${kernel_addr_r} ${bootfile};"                    \
 204                "run nfsargs addip addtty addmisc;"                     \
 205                "bootm ${kernel_addr_r}\0"
 206
 207/*
 208 * Default environment for arch/ppc booting (old version),
 209 * for boards that are ported to arch/ppc and arch/powerpc
 210 */
 211#define CONFIG_AMCC_DEF_ENV_PPC_OLD                                     \
 212        "flash_self_old=run ramargs addip addtty addmisc;"              \
 213                "bootm ${kernel_addr} ${ramdisk_addr}\0"                \
 214        "flash_nfs_old=run nfsargs addip addtty addmisc;"               \
 215                "bootm ${kernel_addr}\0"                                \
 216        "net_nfs_old=tftp ${kernel_addr_r} ${bootfile};"                \
 217                "run nfsargs addip addtty addmisc;"                     \
 218                "bootm ${kernel_addr_r}\0"
 219
 220#define CONFIG_AMCC_DEF_ENV_NOR_UPD                                     \
 221        "u-boot=" __stringify(CONFIG_HOSTNAME) "/u-boot.bin\0"          \
 222        "load=tftp 200000 ${u-boot}\0"                                  \
 223        "update=protect off " __stringify(CONFIG_SYS_MONITOR_BASE) " FFFFFFFF;" \
 224                "era " __stringify(CONFIG_SYS_MONITOR_BASE) " FFFFFFFF;"        \
 225                "cp.b ${fileaddr} " __stringify(CONFIG_SYS_MONITOR_BASE) " ${filesize}\0" \
 226        "upd=run load update\0"                                         \
 227
 228#endif /* __AMCC_COMMON_H */
 229