include/configs/ML2.h

   1 /*
   2  * ML2.h: ML2 specific config options
   3  *
   4  * Copyright 2002 Mind NV
   5  *
   6  * http://www.mind.be/
   7  *
   8  * Author : Peter De Schrijver (p2@mind.be)
   9  *
  10  * Derived from : other configuration header files in this tree
  11  *
  12  * This software may be used and distributed according to the terms of
  13  * the GNU General Public License (GPL) version 2, incorporated herein by
  14  * reference. Drivers based on or derived from this code fall under the GPL
  15  * and must retain the authorship, copyright and this license notice. This
  16  * file is not a complete program and may only be used when the entire
  17  * program is licensed under the GPL.
  18  *
  19  */
  20
  21 #ifndef __CONFIG_H
  22 #define __CONFIG_H
  23
  24 /*
  25  * High Level Configuration Options
  26  * (easy to change)
  27  */
  28
  29 #define CONFIG_405              1       /* This is a PPC405 CPU         */
  30 #define CONFIG_4xx              1       /* ...member of PPC4xx family   */
  31 #define CONFIG_ML2      1       /* ...on a ML2 board    */
  32
  33 #define CONFIG_SYS_TEXT_BASE    0x18000000
  34
  35 #define CONFIG_ENV_IS_IN_FLASH     1
  36
  37 #ifdef CONFIG_ENV_IS_IN_NVRAM
  38 #undef CONFIG_ENV_IS_IN_FLASH
  39 #else
  40 #ifdef CONFIG_ENV_IS_IN_FLASH
  41 #undef CONFIG_ENV_IS_IN_NVRAM
  42 #endif
  43 #endif
  44
  45 #define CONFIG_BAUDRATE         9600
  46 #define CONFIG_BOOTDELAY        3       /* autoboot after 3 seconds     */
  47
  48 #if 1
  49 #define CONFIG_BOOTCOMMAND      "bootm" /* autoboot command     */
  50 #else
  51 #define CONFIG_BOOTCOMMAND      "bootp" /* autoboot command             */
  52 #endif
  53
  54 #define CONFIG_PREBOOT          "fsload 0x00100000 /boot/image"
  55
  56 #if 0
  57 #define CONFIG_BOOTARGS         "root=/dev/nfs "                        \
  58     "ip=192.168.2.176:192.168.2.190:192.168.2.79:255.255.255.0 "        \
  59     "nfsroot=192.168.2.190:/home/stefan/cpci405/target_ftest4"
  60 #else
  61 #define CONFIG_BOOTARGS         "root=/dev/mtdblock2 "                  \
  62    "console=ttyS0 console=tty"
  63
  64 #endif
  65
  66 #define CONFIG_LOADS_ECHO       1       /* echo on for serial download  */
  67 #define CONFIG_SYS_LOADS_BAUD_CHANGE    1       /* allow baudrate change        */
  68
  69
  70 /*
  71  * BOOTP options
  72  */
  73 #define CONFIG_BOOTP_BOOTFILESIZE
  74 #define CONFIG_BOOTP_BOOTPATH
  75 #define CONFIG_BOOTP_GATEWAY
  76 #define CONFIG_BOOTP_HOSTNAME
  77
  78
  79 /*
  80  * Command line configuration.
  81  */
  82 #include <config_cmd_default.h>
  83
  84 #define CONFIG_CMD_IRQ
  85 #define CONFIG_CMD_KGDB
  86 #define CONFIG_CMD_BEDBUG
  87 #define CONFIG_CMD_ELF
  88 #define CONFIG_CMD_JFFS2
  89
  90 #undef CONFIG_CMD_NET
  91 #undef CONFIG_CMD_RTC
  92 #undef CONFIG_CMD_PCI
  93 #undef CONFIG_CMD_I2C
  94
  95
  96 #undef CONFIG_WATCHDOG                  /* watchdog disabled            */
  97
  98 #define CONFIG_SYS_CLK_FREQ 50000000
  99
 100 #define CONFIG_SPD_EEPROM      1       /* use SPD EEPROM for setup    */
 101
 102 /*
 103  * Miscellaneous configurable options
 104  */
 105 #define CONFIG_SYS_LONGHELP                     /* undef to save memory         */
 106 #define CONFIG_SYS_PROMPT       "=> "           /* Monitor Command Prompt       */
 107 #if defined(CONFIG_CMD_KGDB)
 108 #define CONFIG_SYS_CBSIZE       1024            /* Console I/O Buffer Size      */
 109 #else
 110 #define CONFIG_SYS_CBSIZE       256             /* Console I/O Buffer Size      */
 111 #endif
 112 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
 113 #define CONFIG_SYS_MAXARGS      16              /* max number of command args   */
 114 #define CONFIG_SYS_BARGSIZE     CONFIG_SYS_CBSIZE       /* Boot Argument Buffer Size    */
 115
 116 #define CONFIG_SYS_MEMTEST_START        0x0400000       /* memtest works on     */
 117 #define CONFIG_SYS_MEMTEST_END          0x0C00000       /* 4 ... 12 MB in DRAM  */
 118
 119 /*
 120  * If CONFIG_SYS_EXT_SERIAL_CLOCK, then the UART divisor is 1.
 121  * If CONFIG_SYS_405_UART_ERRATA_59, then UART divisor is 31.
 122  * Otherwise, UART divisor is determined by CPU Clock and CONFIG_SYS_BASE_BAUD value.
 123  * The Linux BASE_BAUD define should match this configuration.
 124  *    baseBaud = cpuClock/(uartDivisor*16)
 125  * If CONFIG_SYS_405_UART_ERRATA_59 and 200MHz CPU clock,
 126  * set Linux BASE_BAUD to 403200.
 127  */
 128 #undef  CONFIG_SYS_EXT_SERIAL_CLOCK           /* external serial clock */
 129 #undef  CONFIG_SYS_405_UART_ERRATA_59         /* 405GP/CR Rev. D silicon */
 130
 131 #define CONFIG_SYS_BASE_BAUD       (3125000*16)
 132 #define CONFIG_SYS_NS16550_CLK CONFIG_SYS_BASE_BAUD
 133 #define CONFIG_SYS_DUART_CHAN           0
 134 #define CONFIG_SYS_NS16550_COM1 0xa0001003
 135 #define CONFIG_SYS_NS16550_COM2 0xa0011003
 136 #define CONFIG_SYS_NS16550_REG_SIZE -4
 137 #define CONFIG_SYS_NS16550 1
 138 #define CONFIG_SYS_INIT_CHAN1    1
 139 #define CONFIG_SYS_INIT_CHAN2    1
 140
 141 /* The following table includes the supported baudrates */
 142 #define CONFIG_SYS_BAUDRATE_TABLE  \
 143     {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
 144
 145 #define CONFIG_SYS_LOAD_ADDR            0x100000        /* default load address */
 146 #define CONFIG_SYS_EXTBDINFO            1       /* To use extended board_into (bd_t) */
 147
 148 #define CONFIG_SYS_HZ           1000            /* decrementer freq: 1 ms ticks */
 149
 150
 151 /*-----------------------------------------------------------------------
 152  * Start addresses for the final memory configuration
 153  * (Set up by the startup code)
 154  * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
 155  */
 156 #define CONFIG_SYS_SDRAM_BASE           0x00000000
 157 #define CONFIG_SYS_FLASH_BASE           0x18000000
 158 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
 159 #define CONFIG_SYS_MONITOR_LEN          (192 * 1024)    /* Reserve 196 kB for Monitor   */
 160 #define CONFIG_SYS_MALLOC_LEN           (128 * 1024)    /* Reserve 128 kB for malloc()  */
 161
 162 /*
 163  * For booting Linux, the board info and command line data
 164  * have to be in the first 8 MB of memory, since this is
 165  * the maximum mapped by the Linux kernel during initialization.
 166  */
 167 #define CONFIG_SYS_BOOTMAPSZ            (8 << 20)       /* Initial Memory map for Linux */
 168 /*-----------------------------------------------------------------------
 169  * FLASH organization
 170  */
 171 #define CONFIG_SYS_MAX_FLASH_BANKS      1       /* max number of memory banks           */
 172 #define CONFIG_SYS_MAX_FLASH_SECT       256     /* max number of sectors on one chip    */
 173
 174 #define CONFIG_SYS_FLASH_ERASE_TOUT     120000  /* Timeout for Flash Erase (in ms)      */
 175 #define CONFIG_SYS_FLASH_WRITE_TOUT     500     /* Timeout for Flash Write (in ms)      */
 176
 177 /* BEG ENVIRONNEMENT FLASH */
 178 #ifdef CONFIG_ENV_IS_IN_FLASH
 179 #define CONFIG_ENV_OFFSET               0x00050000 /* Offset of Environment Sector  */
 180 #define CONFIG_ENV_SIZE         0x10000 /* Total Size of Environment Sector     */
 181 #define CONFIG_ENV_SECT_SIZE    0x10000 /* see README - env sector total size   */
 182 #endif
 183 /* END ENVIRONNEMENT FLASH */
 184 /*-----------------------------------------------------------------------
 185  * NVRAM organization
 186  */
 187 #define CONFIG_SYS_NVRAM_BASE_ADDR      0xf0000000      /* NVRAM base address   */
 188 #define CONFIG_SYS_NVRAM_SIZE           0x1ff8          /* NVRAM size   */
 189
 190 #ifdef CONFIG_ENV_IS_IN_NVRAM
 191 #define CONFIG_ENV_SIZE         0x1000          /* Size of Environment vars     */
 192 #define CONFIG_ENV_ADDR         \
 193         (CONFIG_SYS_NVRAM_BASE_ADDR+CONFIG_SYS_NVRAM_SIZE-CONFIG_ENV_SIZE)      /* Env  */
 194 #endif
 195
 196 /*
 197  * Init Memory Controller:
 198  *
 199  * BR0/1 and OR0/1 (FLASH)
 200  */
 201
 202 #define FLASH_BASE0_PRELIM      CONFIG_SYS_FLASH_BASE   /* FLASH bank #0        */
 203 #define FLASH_BASE1_PRELIM      0               /* FLASH bank #1        */
 204
 205
 206 /* Configuration Port location */
 207 #define CONFIG_PORT_ADDR        0xF0000500
 208
 209 /*-----------------------------------------------------------------------
 210  * Definitions for initial stack pointer and data area (in DPRAM)
 211  */
 212
 213 #define CONFIG_SYS_INIT_RAM_ADDR       0x800000  /* inside of SDRAM                     */
 214 #define CONFIG_SYS_INIT_RAM_END        0x2000  /* End of used area in RAM             */
 215 #define CONFIG_SYS_GBL_DATA_SIZE      128  /* size in bytes reserved for initial data */
 216 #define CONFIG_SYS_GBL_DATA_OFFSET    (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
 217 #define CONFIG_SYS_INIT_SP_OFFSET      CONFIG_SYS_GBL_DATA_OFFSET
 218
 219 /*-----------------------------------------------------------------------
 220  * Definitions for Serial Presence Detect EEPROM address
 221  * (to get SDRAM settings)
 222  */
 223 #define SPD_EEPROM_ADDRESS      0x50
 224
 225 #if defined(CONFIG_CMD_KGDB)
 226 #define CONFIG_KGDB_BAUDRATE    230400  /* speed to run kgdb serial port */
 227 #define CONFIG_KGDB_SER_INDEX   2       /* which serial port to use */
 228 #endif
 229
 230 /*
 231  * JFFS2 partitions
 232  *
 233  */
 234 /* No command line, one static partition, whole device */
 235 #undef CONFIG_CMD_MTDPARTS
 236 #define CONFIG_JFFS2_DEV                "nor0"
 237 #define CONFIG_JFFS2_PART_SIZE          0xFFFFFFFF
 238 #define CONFIG_JFFS2_PART_OFFSET        0x00080000
 239
 240 /* mtdparts command line support */
 241 /* Note: fake mtd_id used, no linux mtd map file */
 242 /*
 243 #define CONFIG_CMD_MTDPARTS
 244 #define MTDIDS_DEFAULT          "nor0=ml2-0"
 245 #define MTDPARTS_DEFAULT        "mtdparts=ml2-0:-@512k(jffs2)"
 246 */
 247
 248 #endif  /* __CONFIG_H */