include/configs/ebony.h

   1 /*
   2  * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com>
   3  *
   4  * See file CREDITS for list of people who contributed to this
   5  * project.
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License as
   9  * published by the Free Software Foundation; either version 2 of
  10  * the License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  20  * MA 02111-1307 USA
  21  */
  22
  23 /************************************************************************
  24  * board/config_EBONY.h - configuration for AMCC 440GP Ref (Ebony)
  25  ***********************************************************************/
  26
  27 #ifndef __CONFIG_H
  28 #define __CONFIG_H
  29
  30 /*-----------------------------------------------------------------------
  31  * High Level Configuration Options
  32  *----------------------------------------------------------------------*/
  33 #define CONFIG_EBONY            1           /* Board is ebony           */
  34 #define CONFIG_440GP            1           /* Specifc GP support       */
  35 #define CONFIG_440              1           /* ... PPC440 family        */
  36 #define CONFIG_4xx              1           /* ... PPC4xx family        */
  37 #define CONFIG_BOARD_EARLY_INIT_F 1         /* Call board_early_init_f  */
  38 #undef  CFG_DRAM_TEST                       /* Disable-takes long time! */
  39 #define CONFIG_SYS_CLK_FREQ     33333333    /* external freq to pll     */
  40
  41 /*
  42  * Define here the location of the environment variables (FLASH or NVRAM).
  43  * Note: DENX encourages to use redundant environment in FLASH. NVRAM is only
  44  *       supported for backward compatibility.
  45  */
  46 #if 1
  47 #define CFG_ENV_IS_IN_FLASH     1       /* use FLASH for environment vars       */
  48 #else
  49 #define CFG_ENV_IS_IN_NVRAM     1       /* use NVRAM for environment vars       */
  50 #endif
  51
  52 /*-----------------------------------------------------------------------
  53  * Base addresses -- Note these are effective addresses where the
  54  * actual resources get mapped (not physical addresses)
  55  *----------------------------------------------------------------------*/
  56 #define CFG_SDRAM_BASE      0x00000000      /* _must_ be 0              */
  57 #define CFG_FLASH_BASE      0xff800000      /* start of FLASH           */
  58 #define CFG_MONITOR_BASE    0xfffc0000      /* start of monitor         */
  59 #define CFG_PCI_MEMBASE     0x80000000      /* mapped pci memory        */
  60 #define CFG_PERIPHERAL_BASE 0xe0000000      /* internal peripherals     */
  61 #define CFG_ISRAM_BASE      0xc0000000      /* internal SRAM            */
  62 #define CFG_PCI_BASE        0xd0000000      /* internal PCI regs        */
  63
  64 #define CFG_NVRAM_BASE_ADDR (CFG_PERIPHERAL_BASE + 0x08000000)
  65 #define CFG_FPGA_BASE       (CFG_PERIPHERAL_BASE + 0x08300000)
  66
  67 /*-----------------------------------------------------------------------
  68  * Initial RAM & stack pointer (placed in internal SRAM)
  69  *----------------------------------------------------------------------*/
  70 #define CFG_INIT_RAM_ADDR   CFG_ISRAM_BASE  /* Initial RAM address      */
  71 #define CFG_INIT_RAM_END    0x2000          /* End of used area in RAM  */
  72 #define CFG_GBL_DATA_SIZE  128              /* num bytes initial data   */
  73
  74 #define CFG_GBL_DATA_OFFSET     (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
  75 #define CFG_INIT_SP_OFFSET      CFG_GBL_DATA_OFFSET
  76
  77 #define CFG_MONITOR_LEN     (256 * 1024)    /* Reserve 256 kB for Mon   */
  78 #define CFG_MALLOC_LEN      (128 * 1024)    /* Reserve 128 kB for malloc*/
  79
  80 /*-----------------------------------------------------------------------
  81  * Serial Port
  82  *----------------------------------------------------------------------*/
  83 #undef  CONFIG_SERIAL_SOFTWARE_FIFO
  84 #define CFG_EXT_SERIAL_CLOCK    (1843200 * 6)   /* Ext clk @ 11.059 MHz */
  85 #define CONFIG_BAUDRATE         115200
  86
  87 #define CFG_BAUDRATE_TABLE  \
  88     {300, 600, 1200, 2400, 4800, 9600, 19200, 38400}
  89
  90 /*-----------------------------------------------------------------------
  91  * NVRAM/RTC
  92  *
  93  * NOTE: Upper 8 bytes of NVRAM is where the RTC registers are located.
  94  * The DS1743 code assumes this condition (i.e. -- it assumes the base
  95  * address for the RTC registers is:
  96  *
  97  *      CFG_NVRAM_BASE_ADDR + CFG_NVRAM_SIZE
  98  *
  99  *----------------------------------------------------------------------*/
 100 #define CFG_NVRAM_SIZE      (0x2000 - 8)    /* NVRAM size(8k)- RTC regs */
 101 #define CONFIG_RTC_DS174x       1                   /* DS1743 RTC               */
 102
 103 #ifdef CFG_ENV_IS_IN_NVRAM
 104 #define CFG_ENV_SIZE            0x1000      /* Size of Environment vars */
 105 #define CFG_ENV_ADDR            \
 106         (CFG_NVRAM_BASE_ADDR+CFG_NVRAM_SIZE-CFG_ENV_SIZE)
 107 #endif /* CFG_ENV_IS_IN_NVRAM */
 108
 109 /*-----------------------------------------------------------------------
 110  * FLASH related
 111  *----------------------------------------------------------------------*/
 112 #define CFG_MAX_FLASH_BANKS     3                   /* number of banks      */
 113 #define CFG_MAX_FLASH_SECT      32                  /* sectors per device   */
 114
 115 #define CFG_FLASH_ERASE_TOUT    120000  /* Timeout for Flash Erase (in ms)      */
 116 #define CFG_FLASH_WRITE_TOUT    500     /* Timeout for Flash Write (in ms)      */
 117
 118 #define CFG_FLASH_EMPTY_INFO            /* print 'E' for empty sector on flinfo */
 119
 120 #define CFG_FLASH_ADDR0         0x5555
 121 #define CFG_FLASH_ADDR1         0x2aaa
 122 #define CFG_FLASH_WORD_SIZE     unsigned char
 123
 124 #ifdef CFG_ENV_IS_IN_FLASH
 125 #define CFG_ENV_SECT_SIZE       0x10000         /* size of one complete sector  */
 126 #define CFG_ENV_ADDR            (CFG_MONITOR_BASE-CFG_ENV_SECT_SIZE)
 127 #define CFG_ENV_SIZE            0x4000  /* Total Size of Environment Sector     */
 128
 129 /* Address and size of Redundant Environment Sector     */
 130 #define CFG_ENV_ADDR_REDUND     (CFG_ENV_ADDR-CFG_ENV_SECT_SIZE)
 131 #define CFG_ENV_SIZE_REDUND     (CFG_ENV_SIZE)
 132 #endif /* CFG_ENV_IS_IN_FLASH */
 133
 134 /*-----------------------------------------------------------------------
 135  * DDR SDRAM
 136  *----------------------------------------------------------------------*/
 137 #define CONFIG_SPD_EEPROM       1       /* Use SPD EEPROM for setup     */
 138 #define SPD_EEPROM_ADDRESS {0x53,0x52}  /* SPD i2c spd addresses        */
 139 #define CONFIG_PROG_SDRAM_TLB   1       /* setup SDRAM TLB's dynamically*/
 140
 141 /*-----------------------------------------------------------------------
 142  * I2C
 143  *----------------------------------------------------------------------*/
 144 #define CONFIG_HARD_I2C         1           /* I2C with hardware support        */
 145 #undef  CONFIG_SOFT_I2C                     /* I2C bit-banged           */
 146 #define CFG_I2C_SPEED           400000  /* I2C speed and slave address  */
 147 #define CFG_I2C_SLAVE           0x7F
 148
 149 #define CFG_I2C_MULTI_EEPROMS
 150 #define CFG_I2C_EEPROM_ADDR     (0xa8>>1)
 151 #define CFG_I2C_EEPROM_ADDR_LEN 1
 152 #define CFG_EEPROM_PAGE_WRITE_ENABLE
 153 #define CFG_EEPROM_PAGE_WRITE_BITS 3
 154 #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10
 155
 156 #define CONFIG_PREBOOT  "echo;" \
 157         "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
 158         "echo"
 159
 160 #undef  CONFIG_BOOTARGS
 161
 162 #define CONFIG_EXTRA_ENV_SETTINGS                                       \
 163         "netdev=eth0\0"                                                 \
 164         "hostname=ebony\0"                                              \
 165         "nfsargs=setenv bootargs root=/dev/nfs rw "                     \
 166                 "nfsroot=${serverip}:${rootpath}\0"                     \
 167         "ramargs=setenv bootargs root=/dev/ram rw\0"                    \
 168         "addip=setenv bootargs ${bootargs} "                            \
 169                 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"      \
 170                 ":${hostname}:${netdev}:off panic=1\0"                  \
 171         "addtty=setenv bootargs ${bootargs} console=ttyS0,${baudrate}\0"\
 172         "flash_nfs=run nfsargs addip addtty;"                           \
 173                 "bootm ${kernel_addr}\0"                                \
 174         "flash_self=run ramargs addip addtty;"                          \
 175                 "bootm ${kernel_addr} ${ramdisk_addr}\0"                \
 176         "net_nfs=tftp 200000 ${bootfile};run nfsargs addip addtty;"     \
 177                 "bootm\0"                                               \
 178         "rootpath=/opt/eldk/ppc_4xx\0"                                  \
 179         "bootfile=/tftpboot/ebony/uImage\0"                             \
 180         "kernel_addr=ff800000\0"                                        \
 181         "ramdisk_addr=ff810000\0"                                       \
 182         "initrd_high=30000000\0"                                        \
 183         "load=tftp 100000 /tftpboot/ebony/u-boot.bin\0"                 \
 184         "update=protect off fffc0000 ffffffff;era fffc0000 ffffffff;"   \
 185                 "cp.b 100000 fffc0000 40000;"                           \
 186                 "setenv filesize;saveenv\0"                             \
 187         "upd=run load;run update\0"                                     \
 188         ""
 189 #define CONFIG_BOOTCOMMAND      "run flash_self"
 190
 191 #if 0
 192 #define CONFIG_BOOTDELAY        -1      /* autoboot disabled            */
 193 #else
 194 #define CONFIG_BOOTDELAY        5       /* autoboot after 5 seconds     */
 195 #endif
 196
 197 #define CONFIG_BAUDRATE         115200
 198
 199 #define CONFIG_LOADS_ECHO       1       /* echo on for serial download  */
 200 #define CFG_LOADS_BAUD_CHANGE   1       /* allow baudrate change        */
 201
 202 #define CONFIG_MII              1       /* MII PHY management           */
 203 #define CONFIG_PHY_ADDR         8       /* PHY address                  */
 204 #define CONFIG_HAS_ETH1
 205 #define CONFIG_PHY1_ADDR        9       /* EMAC1 PHY address            */
 206 #define CONFIG_NET_MULTI        1
 207 #define CFG_RX_ETH_BUFFER       32      /* Number of ethernet rx buffers & descriptors */
 208
 209 #define CONFIG_NETCONSOLE               /* include NetConsole support   */
 210
 211 #define CONFIG_COMMANDS        (CONFIG_CMD_DFL  | \
 212                                 CFG_CMD_ASKENV  | \
 213                                 CFG_CMD_DATE    | \
 214                                 CFG_CMD_DHCP    | \
 215                                 CFG_CMD_DIAG    | \
 216                                 CFG_CMD_ELF     | \
 217                                 CFG_CMD_EEPROM  | \
 218                                 CFG_CMD_I2C     | \
 219                                 CFG_CMD_IRQ     | \
 220                                 CFG_CMD_MII     | \
 221                                 CFG_CMD_NET     | \
 222                                 CFG_CMD_NFS     | \
 223                                 CFG_CMD_PCI     | \
 224                                 CFG_CMD_PING    | \
 225                                 CFG_CMD_REGINFO | \
 226                                 CFG_CMD_SDRAM   | \
 227                                 CFG_CMD_SNTP    )
 228
 229 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
 230 #include <cmd_confdefs.h>
 231
 232 #undef CONFIG_WATCHDOG                  /* watchdog disabled            */
 233
 234 /*
 235  * Miscellaneous configurable options
 236  */
 237 #define CFG_LONGHELP                    /* undef to save memory         */
 238 #define CFG_PROMPT      "=> "           /* Monitor Command Prompt       */
 239 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
 240 #define CFG_CBSIZE      1024            /* Console I/O Buffer Size      */
 241 #else
 242 #define CFG_CBSIZE      256             /* Console I/O Buffer Size      */
 243 #endif
 244 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
 245 #define CFG_MAXARGS     16              /* max number of command args   */
 246 #define CFG_BARGSIZE    CFG_CBSIZE      /* Boot Argument Buffer Size    */
 247
 248 #define CFG_MEMTEST_START       0x0400000       /* memtest works on     */
 249 #define CFG_MEMTEST_END         0x0C00000       /* 4 ... 12 MB in DRAM  */
 250
 251 #define CFG_LOAD_ADDR           0x100000        /* default load address */
 252 #define CFG_EXTBDINFO           1       /* To use extended board_into (bd_t) */
 253
 254 #define CFG_HZ          1000            /* decrementer freq: 1 ms ticks */
 255
 256 #define CONFIG_CMDLINE_EDITING  1       /* add command line history     */
 257 #define CONFIG_LOOPW            1       /* enable loopw command         */
 258 #define CONFIG_MX_CYCLIC        1       /* enable mdc/mwc commands      */
 259 #define CONFIG_ZERO_BOOTDELAY_CHECK     /* check for keypress on bootdelay==0 */
 260 #define CONFIG_VERSION_VARIABLE 1       /* include version env variable */
 261
 262 /*-----------------------------------------------------------------------
 263  * PCI stuff
 264  *-----------------------------------------------------------------------
 265  */
 266 /* General PCI */
 267 #define CONFIG_PCI                                  /* include pci support              */
 268 #define CONFIG_PCI_PNP                          /* do pci plug-and-play         */
 269 #define CONFIG_PCI_SCAN_SHOW            /* show pci devices on startup  */
 270 #define CFG_PCI_TARGBASE    0x80000000  /* PCIaddr mapped to CFG_PCI_MEMBASE */
 271
 272 /* Board-specific PCI */
 273 #define CFG_PCI_PRE_INIT                /* enable board pci_pre_init()  */
 274 #define CFG_PCI_TARGET_INIT                 /* let board init pci target    */
 275
 276 #define CFG_PCI_SUBSYS_VENDORID 0x10e8  /* AMCC */
 277 #define CFG_PCI_SUBSYS_DEVICEID 0xcafe  /* Whatever */
 278
 279 /*
 280  * For booting Linux, the board info and command line data
 281  * have to be in the first 8 MB of memory, since this is
 282  * the maximum mapped by the Linux kernel during initialization.
 283  */
 284 #define CFG_BOOTMAPSZ           (8 << 20)       /* Initial Memory map for Linux */
 285 /*-----------------------------------------------------------------------
 286  * Cache Configuration
 287  */
 288 #define CFG_DCACHE_SIZE         8192    /* For AMCC 405 CPUs                    */
 289 #define CFG_CACHELINE_SIZE      32      /* ...                  */
 290 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
 291 #define CFG_CACHELINE_SHIFT     5       /* log base 2 of the above value        */
 292 #endif
 293
 294 /*
 295  * Internal Definitions
 296  *
 297  * Boot Flags
 298  */
 299 #define BOOTFLAG_COLD   0x01            /* Normal Power-On: Boot from FLASH     */
 300 #define BOOTFLAG_WARM   0x02            /* Software reboot                      */
 301
 302 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
 303 #define CONFIG_KGDB_BAUDRATE    230400  /* speed to run kgdb serial port */
 304 #define CONFIG_KGDB_SER_INDEX   2       /* which serial port to use */
 305 #endif
 306 #endif  /* __CONFIG_H */