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