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 #define CONFIG_SYS_LDSCRIPT     "board/ml2/u-boot.lds"
  35
  36 #define CONFIG_ENV_IS_IN_FLASH     1
  37
  38 #ifdef CONFIG_ENV_IS_IN_NVRAM
  39 #undef CONFIG_ENV_IS_IN_FLASH
  40 #else
  41 #ifdef CONFIG_ENV_IS_IN_FLASH
  42 #undef CONFIG_ENV_IS_IN_NVRAM
  43 #endif
  44 #endif
  45
  46 #define CONFIG_BAUDRATE         9600
  47 #define CONFIG_BOOTDELAY        3       /* autoboot after 3 seconds     */
  48
  49 #if 1
  50 #define CONFIG_BOOTCOMMAND      "bootm" /* autoboot command     */
  51 #else
  52 #define CONFIG_BOOTCOMMAND      "bootp" /* autoboot command             */
  53 #endif
  54
  55 #define CONFIG_PREBOOT          "fsload 0x00100000 /boot/image"
  56
  57 #if 0
  58 #define CONFIG_BOOTARGS         "root=/dev/nfs "                        \
  59     "ip=192.168.2.176:192.168.2.190:192.168.2.79:255.255.255.0 "        \
  60     "nfsroot=192.168.2.190:/home/stefan/cpci405/target_ftest4"
  61 #else
  62 #define CONFIG_BOOTARGS         "root=/dev/mtdblock2 "                  \
  63    "console=ttyS0 console=tty"
  64
  65 #endif
  66
  67 #define CONFIG_LOADS_ECHO       1       /* echo on for serial download  */
  68 #define CONFIG_SYS_LOADS_BAUD_CHANGE    1       /* allow baudrate change        */
  69
  70
  71 /*
  72  * BOOTP options
  73  */
  74 #define CONFIG_BOOTP_BOOTFILESIZE
  75 #define CONFIG_BOOTP_BOOTPATH
  76 #define CONFIG_BOOTP_GATEWAY
  77 #define CONFIG_BOOTP_HOSTNAME
  78
  79
  80 /*
  81  * Command line configuration.
  82  */
  83 #include <config_cmd_default.h>
  84
  85 #define CONFIG_CMD_IRQ
  86 #define CONFIG_CMD_KGDB
  87 #define CONFIG_CMD_BEDBUG
  88 #define CONFIG_CMD_ELF
  89 #define CONFIG_CMD_JFFS2
  90
  91 #undef CONFIG_CMD_NET
  92 #undef CONFIG_CMD_NFS
  93 #undef CONFIG_CMD_RTC
  94 #undef CONFIG_CMD_PCI
  95 #undef CONFIG_CMD_I2C
  96
  97
  98 #undef CONFIG_WATCHDOG                  /* watchdog disabled            */
  99
 100 #define CONFIG_SYS_CLK_FREQ 50000000
 101
 102 #define CONFIG_SPD_EEPROM      1       /* use SPD EEPROM for setup    */
 103
 104 /*
 105  * I2C
 106  */
 107 #define CONFIG_HARD_I2C                 /* I2C with hardware support    */
 108 #define CONFIG_PPC4XX_I2C               /* use PPC4xx driver            */
 109 #define CONFIG_SYS_I2C_SLAVE    0x7F
 110 #define CONFIG_SYS_I2C_SPEED    400000
 111
 112 /*
 113  * Miscellaneous configurable options
 114  */
 115 #define CONFIG_SYS_LONGHELP                     /* undef to save memory         */
 116 #define CONFIG_SYS_PROMPT       "=> "           /* Monitor Command Prompt       */
 117 #if defined(CONFIG_CMD_KGDB)
 118 #define CONFIG_SYS_CBSIZE       1024            /* Console I/O Buffer Size      */
 119 #else
 120 #define CONFIG_SYS_CBSIZE       256             /* Console I/O Buffer Size      */
 121 #endif
 122 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
 123 #define CONFIG_SYS_MAXARGS      16              /* max number of command args   */
 124 #define CONFIG_SYS_BARGSIZE     CONFIG_SYS_CBSIZE       /* Boot Argument Buffer Size    */
 125
 126 #define CONFIG_SYS_MEMTEST_START        0x0400000       /* memtest works on     */
 127 #define CONFIG_SYS_MEMTEST_END          0x0C00000       /* 4 ... 12 MB in DRAM  */
 128
 129 /*
 130  * If CONFIG_SYS_EXT_SERIAL_CLOCK, then the UART divisor is 1.
 131  * If CONFIG_SYS_405_UART_ERRATA_59, then UART divisor is 31.
 132  * Otherwise, UART divisor is determined by CPU Clock and CONFIG_SYS_BASE_BAUD value.
 133  * The Linux BASE_BAUD define should match this configuration.
 134  *    baseBaud = cpuClock/(uartDivisor*16)
 135  * If CONFIG_SYS_405_UART_ERRATA_59 and 200MHz CPU clock,
 136  * set Linux BASE_BAUD to 403200.
 137  */
 138 #undef  CONFIG_SYS_EXT_SERIAL_CLOCK           /* external serial clock */
 139 #undef  CONFIG_SYS_405_UART_ERRATA_59         /* 405GP/CR Rev. D silicon */
 140
 141 #define CONFIG_SYS_BASE_BAUD       (3125000*16)
 142 #define CONFIG_SYS_NS16550_CLK CONFIG_SYS_BASE_BAUD
 143 #define CONFIG_SYS_DUART_CHAN           0
 144 #define CONFIG_SYS_NS16550_COM1 0xa0001003
 145 #define CONFIG_SYS_NS16550_COM2 0xa0011003
 146 #define CONFIG_SYS_NS16550_REG_SIZE -4
 147 #define CONFIG_SYS_NS16550 1
 148 #define CONFIG_SYS_INIT_CHAN1    1
 149 #define CONFIG_SYS_INIT_CHAN2    1
 150
 151 /* The following table includes the supported baudrates */
 152 #define CONFIG_SYS_BAUDRATE_TABLE  \
 153     {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
 154
 155 #define CONFIG_SYS_LOAD_ADDR            0x100000        /* default load address */
 156 #define CONFIG_SYS_EXTBDINFO            1       /* To use extended board_into (bd_t) */
 157
 158 #define CONFIG_SYS_HZ           1000            /* decrementer freq: 1 ms ticks */
 159
 160
 161 /*-----------------------------------------------------------------------
 162  * Start addresses for the final memory configuration
 163  * (Set up by the startup code)
 164  * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
 165  */
 166 #define CONFIG_SYS_SDRAM_BASE           0x00000000
 167 #define CONFIG_SYS_FLASH_BASE           0x18000000
 168 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
 169 #define CONFIG_SYS_MONITOR_LEN          (192 * 1024)    /* Reserve 196 kB for Monitor   */
 170 #define CONFIG_SYS_MALLOC_LEN           (128 * 1024)    /* Reserve 128 kB for malloc()  */
 171
 172 /*
 173  * For booting Linux, the board info and command line data
 174  * have to be in the first 8 MB of memory, since this is
 175  * the maximum mapped by the Linux kernel during initialization.
 176  */
 177 #define CONFIG_SYS_BOOTMAPSZ            (8 << 20)       /* Initial Memory map for Linux */
 178 /*-----------------------------------------------------------------------
 179  * FLASH organization
 180  */
 181 #define CONFIG_SYS_MAX_FLASH_BANKS      1       /* max number of memory banks           */
 182 #define CONFIG_SYS_MAX_FLASH_SECT       256     /* max number of sectors on one chip    */
 183
 184 #define CONFIG_SYS_FLASH_ERASE_TOUT     120000  /* Timeout for Flash Erase (in ms)      */
 185 #define CONFIG_SYS_FLASH_WRITE_TOUT     500     /* Timeout for Flash Write (in ms)      */
 186
 187 /* BEG ENVIRONNEMENT FLASH */
 188 #ifdef CONFIG_ENV_IS_IN_FLASH
 189 #define CONFIG_ENV_OFFSET               0x00050000 /* Offset of Environment Sector  */
 190 #define CONFIG_ENV_SIZE         0x10000 /* Total Size of Environment Sector     */
 191 #define CONFIG_ENV_SECT_SIZE    0x10000 /* see README - env sector total size   */
 192 #endif
 193 /* END ENVIRONNEMENT FLASH */
 194 /*-----------------------------------------------------------------------
 195  * NVRAM organization
 196  */
 197 #define CONFIG_SYS_NVRAM_BASE_ADDR      0xf0000000      /* NVRAM base address   */
 198 #define CONFIG_SYS_NVRAM_SIZE           0x1ff8          /* NVRAM size   */
 199
 200 #ifdef CONFIG_ENV_IS_IN_NVRAM
 201 #define CONFIG_ENV_SIZE         0x1000          /* Size of Environment vars     */
 202 #define CONFIG_ENV_ADDR         \
 203         (CONFIG_SYS_NVRAM_BASE_ADDR+CONFIG_SYS_NVRAM_SIZE-CONFIG_ENV_SIZE)      /* Env  */
 204 #endif
 205
 206 /*
 207  * Init Memory Controller:
 208  *
 209  * BR0/1 and OR0/1 (FLASH)
 210  */
 211
 212 #define FLASH_BASE0_PRELIM      CONFIG_SYS_FLASH_BASE   /* FLASH bank #0        */
 213 #define FLASH_BASE1_PRELIM      0               /* FLASH bank #1        */
 214
 215
 216 /* Configuration Port location */
 217 #define CONFIG_PORT_ADDR        0xF0000500
 218
 219 /*-----------------------------------------------------------------------
 220  * Definitions for initial stack pointer and data area (in DPRAM)
 221  */
 222
 223 #define CONFIG_SYS_INIT_RAM_ADDR       0x800000  /* inside of SDRAM                     */
 224 #define CONFIG_SYS_INIT_RAM_SIZE        0x2000  /* Size of used area in RAM             */
 225 #define CONFIG_SYS_GBL_DATA_OFFSET    (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
 226 #define CONFIG_SYS_INIT_SP_OFFSET      CONFIG_SYS_GBL_DATA_OFFSET
 227
 228 /*-----------------------------------------------------------------------
 229  * Definitions for Serial Presence Detect EEPROM address
 230  * (to get SDRAM settings)
 231  */
 232 #define SPD_EEPROM_ADDRESS      0x50
 233
 234 #if defined(CONFIG_CMD_KGDB)
 235 #define CONFIG_KGDB_BAUDRATE    230400  /* speed to run kgdb serial port */
 236 #define CONFIG_KGDB_SER_INDEX   2       /* which serial port to use */
 237 #endif
 238
 239 /*
 240  * JFFS2 partitions
 241  *
 242  */
 243 /* No command line, one static partition, whole device */
 244 #undef CONFIG_CMD_MTDPARTS
 245 #define CONFIG_JFFS2_DEV                "nor0"
 246 #define CONFIG_JFFS2_PART_SIZE          0xFFFFFFFF
 247 #define CONFIG_JFFS2_PART_OFFSET        0x00080000
 248
 249 /* mtdparts command line support */
 250 /* Note: fake mtd_id used, no linux mtd map file */
 251 /*
 252 #define CONFIG_CMD_MTDPARTS
 253 #define MTDIDS_DEFAULT          "nor0=ml2-0"
 254 #define MTDPARTS_DEFAULT        "mtdparts=ml2-0:-@512k(jffs2)"
 255 */
 256
 257 #endif  /* __CONFIG_H */