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