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 /*
 125  * Pass open firmware flat tree
 126  */
 127 #define CONFIG_OF_BOARD_SETUP
 128 /* Update size in "reg" property of NOR FLASH device tree nodes */
 129 #define CONFIG_FDT_FIXUP_NOR_FLASH_SIZE
 130
 131 /*
 132  * Booting and default environment
 133  */
 134 #define CONFIG_PREBOOT  "echo;" \
 135         "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
 136         "echo"
 137 #define CONFIG_BOOTCOMMAND      "run flash_self"
 138
 139 /*
 140  * Only very few boards have default console not on ttyS0 (like Taishan)
 141  */
 142 #if !defined(CONFIG_USE_TTY)
 143 #define CONFIG_USE_TTY  ttyS0
 144 #endif
 145
 146 /*
 147  * Only very few boards have default netdev not set to eth0 (like Arches)
 148  */
 149 #if !defined(CONFIG_USE_NETDEV)
 150 #define CONFIG_USE_NETDEV       eth0
 151 #endif
 152
 153 /*
 154  * Only some 4xx PPC's are equipped with an FPU
 155  */
 156 #if defined(CONFIG_440EP) || defined(CONFIG_440EPX) || \
 157     defined(CONFIG_460EX) || defined(CONFIG_460GT)
 158 #define CONFIG_AMCC_DEF_ENV_ROOTPATH    "rootpath=/opt/eldk/ppc_4xxFP\0"
 159 #else
 160 #define CONFIG_AMCC_DEF_ENV_ROOTPATH    "rootpath=/opt/eldk/ppc_4xx\0"
 161 #endif
 162
 163 /*
 164  * Only some boards need to extend the bootargs by some additional
 165  * parameters (like Makalu)
 166  */
 167 #if !defined(CONFIG_ADDMISC)
 168 #define CONFIG_ADDMISC  "addmisc=setenv bootargs ${bootargs}\0"
 169 #endif
 170
 171 /*
 172  * General common environment variables shared on all AMCC eval boards
 173  */
 174 #define CONFIG_AMCC_DEF_ENV                                             \
 175         "netdev=" __stringify(CONFIG_USE_NETDEV) "\0"                           \
 176         "nfsargs=setenv bootargs root=/dev/nfs rw "                     \
 177                 "nfsroot=${serverip}:${rootpath}\0"                     \
 178         "ramargs=setenv bootargs root=/dev/ram rw\0"                    \
 179         "addip=setenv bootargs ${bootargs} "                            \
 180                 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"      \
 181                 ":${hostname}:${netdev}:off panic=1\0"                  \
 182         "addtty=setenv bootargs ${bootargs}"                            \
 183                 " console=" __stringify(CONFIG_USE_TTY) ",${baudrate}\0"        \
 184         CONFIG_ADDMISC                                                  \
 185         "initrd_high=30000000\0"                                        \
 186         "kernel_addr_r=1000000\0"                                       \
 187         "fdt_addr_r=1800000\0"                                          \
 188         "ramdisk_addr_r=1900000\0"                                      \
 189         "hostname=" __stringify(CONFIG_HOSTNAME) "\0"                           \
 190         "bootfile=" __stringify(CONFIG_HOSTNAME) "/uImage\0"                    \
 191         "ramdisk_file=" __stringify(CONFIG_HOSTNAME) "/uRamdisk\0"              \
 192         CONFIG_AMCC_DEF_ENV_ROOTPATH
 193
 194 /*
 195  * Default environment for arch/powerpc booting
 196  * for boards that are ported to arch/powerpc
 197  */
 198 #define CONFIG_AMCC_DEF_ENV_POWERPC                                     \
 199         "flash_self=run ramargs addip addtty addmisc;"                  \
 200                 "bootm ${kernel_addr} ${ramdisk_addr} ${fdt_addr}\0"    \
 201         "flash_nfs=run nfsargs addip addtty addmisc;"                   \
 202                 "bootm ${kernel_addr} - ${fdt_addr}\0"                  \
 203         "net_nfs=tftp ${kernel_addr_r} ${bootfile}; "                   \
 204                 "tftp ${fdt_addr_r} ${fdt_file}; "                      \
 205                 "run nfsargs addip addtty addmisc;"                     \
 206                 "bootm ${kernel_addr_r} - ${fdt_addr_r}\0"              \
 207         "net_self_load=tftp ${kernel_addr_r} ${bootfile};"              \
 208                 "tftp ${fdt_addr_r} ${fdt_file};"                       \
 209                 "tftp ${ramdisk_addr_r} ${ramdisk_file};\0"             \
 210         "net_self=run net_self_load;"                                   \
 211                 "run ramargs addip addtty addmisc;"                     \
 212                 "bootm ${kernel_addr_r} ${ramdisk_addr_r} ${fdt_addr_r}\0" \
 213         "fdt_file=" __stringify(CONFIG_HOSTNAME) "/" __stringify(CONFIG_HOSTNAME) ".dtb\0"
 214
 215 /*
 216  * Default environment for arch/ppc booting,
 217  * for boards that are not ported to arch/powerpc yet
 218  */
 219 #define CONFIG_AMCC_DEF_ENV_PPC                                         \
 220         "flash_self=run ramargs addip addtty addmisc;"                  \
 221                 "bootm ${kernel_addr} ${ramdisk_addr}\0"                \
 222         "flash_nfs=run nfsargs addip addtty addmisc;"                   \
 223                 "bootm ${kernel_addr}\0"                                \
 224         "net_nfs=tftp ${kernel_addr_r} ${bootfile};"                    \
 225                 "run nfsargs addip addtty addmisc;"                     \
 226                 "bootm ${kernel_addr_r}\0"
 227
 228 /*
 229  * Default environment for arch/ppc booting (old version),
 230  * for boards that are ported to arch/ppc and arch/powerpc
 231  */
 232 #define CONFIG_AMCC_DEF_ENV_PPC_OLD                                     \
 233         "flash_self_old=run ramargs addip addtty addmisc;"              \
 234                 "bootm ${kernel_addr} ${ramdisk_addr}\0"                \
 235         "flash_nfs_old=run nfsargs addip addtty addmisc;"               \
 236                 "bootm ${kernel_addr}\0"                                \
 237         "net_nfs_old=tftp ${kernel_addr_r} ${bootfile};"                \
 238                 "run nfsargs addip addtty addmisc;"                     \
 239                 "bootm ${kernel_addr_r}\0"
 240
 241 #define CONFIG_AMCC_DEF_ENV_NOR_UPD                                     \
 242         "u-boot=" __stringify(CONFIG_HOSTNAME) "/u-boot.bin\0"          \
 243         "load=tftp 200000 ${u-boot}\0"                                  \
 244         "update=protect off " __stringify(CONFIG_SYS_MONITOR_BASE) " FFFFFFFF;" \
 245                 "era " __stringify(CONFIG_SYS_MONITOR_BASE) " FFFFFFFF;"        \
 246                 "cp.b ${fileaddr} " __stringify(CONFIG_SYS_MONITOR_BASE) " ${filesize}\0" \
 247         "upd=run load update\0"                                         \
 248
 249 #endif /* __AMCC_COMMON_H */