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