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