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