include/configs/SMN42.h

   1 /*
   2  * (C) Copyright 2007
   3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4  *
   5  * Configuation settings for the SMN42 board from Siemens.
   6  *
   7  * See file CREDITS for list of people who contributed to this
   8  * project.
   9  *
  10  * This program is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU General Public License as
  12  * published by the Free Software Foundation; either version 2 of
  13  * the License, or (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  23  * MA 02111-1307 USA
  24  */
  25
  26 #ifndef __CONFIG_H
  27 #define __CONFIG_H
  28
  29 /*
  30  * If we are developing, we might want to start u-boot from ram
  31  * so we MUST NOT initialize critical regs like mem-timing ...
  32  */
  33 #undef CONFIG_INIT_CRITICAL             /* undef for developing */
  34
  35 #undef CONFIG_SKIP_LOWLEVEL_INIT
  36 #undef CONFIG_SKIP_RELOCATE_UBOOT
  37
  38 /*
  39  * High Level Configuration Options
  40  * (easy to change)
  41  */
  42 #define CONFIG_ARM7             1       /* This is a ARM7 CPU   */
  43 #define CONFIG_ARM_THUMB        1       /* this is an ARM720TDMI */
  44 #define CONFIG_LPC2292
  45 #undef  CONFIG_ARM7_REVD                /* disable ARM720 REV.D Workarounds */
  46
  47 #undef CONFIG_USE_IRQ                   /* don't need them anymore */
  48
  49 /*
  50  * Size of malloc() pool
  51  */
  52 #define CFG_MALLOC_LEN          (CFG_ENV_SIZE + 128*1024)
  53 #define CFG_GBL_DATA_SIZE       128     /* size in bytes reserved for initial data */
  54
  55 /*
  56  * Hardware drivers
  57  */
  58
  59 /*
  60  * select serial console configuration
  61  */
  62 #define CONFIG_SERIAL1          1       /* we use Serial line 1 */
  63
  64 /* allow to overwrite serial and ethaddr */
  65 #define CONFIG_ENV_OVERWRITE
  66
  67 #define CONFIG_BAUDRATE         115200
  68
  69 /*
  70  * BOOTP options
  71  */
  72 #define CONFIG_BOOTP_SUBNETMASK
  73 #define CONFIG_BOOTP_GATEWAY
  74 #define CONFIG_BOOTP_HOSTNAME
  75 #define CONFIG_BOOTP_BOOTPATH
  76 #define CONFIG_BOOTP_BOOTFILESIZE
  77
  78
  79 /* enable I2C and select the hardware/software driver */
  80 #undef  CONFIG_HARD_I2C                 /* I2C with hardware support    */
  81 #define CONFIG_SOFT_I2C         1       /* I2C bit-banged               */
  82 /* this would be 0xAE if E0, E1 and E2 were pulled high */
  83 #define CFG_I2C_SLAVE           0xA0
  84 #define CFG_I2C_EEPROM_ADDR     (0xA0 >> 1)
  85 #define CFG_I2C_EEPROM_ADDR_LEN 2 /* 16 bit address */
  86 #define CFG_EEPROM_PAGE_WRITE_BITS 6 /* 64 bytes per write */
  87 #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 20
  88 /* not used but required by devices.c */
  89 #define CFG_I2C_SPEED 10000
  90
  91 #ifdef CONFIG_SOFT_I2C
  92 /*
  93  * Software (bit-bang) I2C driver configuration
  94  */
  95 #define SCL             0x00000004              /* P0.2 */
  96 #define SDA             0x00000008              /* P0.3 */
  97
  98 #define I2C_READ        ((GET32(IO0PIN) & SDA) ? 1 : 0)
  99 #define I2C_SDA(x)      { if (x) PUT32(IO0SET, SDA); else PUT32(IO0CLR, SDA); }
 100 #define I2C_SCL(x)      { if (x) PUT32(IO0SET, SCL); else PUT32(IO0CLR, SCL); }
 101 #define I2C_DELAY       { udelay(100); }
 102 #define I2C_ACTIVE      { unsigned int i2ctmp; \
 103                                           i2ctmp = GET32(IO0DIR); \
 104                                           i2ctmp |= SDA; \
 105                                           PUT32(IO0DIR, i2ctmp); }
 106 #define I2C_TRISTATE    { unsigned int i2ctmp; \
 107                                               i2ctmp = GET32(IO0DIR); \
 108                                               i2ctmp &= ~SDA; \
 109                                                   PUT32(IO0DIR, i2ctmp); }
 110 #endif /* CONFIG_SOFT_I2C */
 111
 112
 113 /*
 114  * Command line configuration.
 115  */
 116 #include <config_cmd_default.h>
 117 #define CONFIG_CMD_DHCP
 118 #define CONFIG_CMD_FAT
 119 #define CONFIG_CMD_MMC
 120 #define CONFIG_CMD_NET
 121 #define CONFIG_CMD_EEPROM
 122 #define CONFIG_CMD_PING
 123
 124
 125 #define CONFIG_DOS_PARTITION
 126
 127 #define CONFIG_BOOTDELAY        5
 128
 129 /*
 130  * Miscellaneous configurable options
 131  */
 132 #define CFG_LONGHELP                            /* undef to save memory         */
 133 #define CFG_PROMPT              "SMN42 # " /* Monitor Command Prompt    */
 134 #define CFG_CBSIZE              256             /* Console I/O Buffer Size      */
 135 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
 136 #define CFG_MAXARGS             16              /* max number of command args   */
 137 #define CFG_BARGSIZE            CFG_CBSIZE      /* Boot Argument Buffer Size    */
 138
 139 #define CFG_MEMTEST_START       0x81800000      /* memtest works on     */
 140 #define CFG_MEMTEST_END         0x83000000      /* 24 MB in SRAM        */
 141
 142 #undef  CFG_CLKS_IN_HZ          /* everything, incl board info, in Hz */
 143
 144 #define CFG_LOAD_ADDR           0x81000000      /* default load address */
 145                                                 /* for uClinux img is here*/
 146
 147 #define CFG_SYS_CLK_FREQ        58982400        /* Hz */
 148 #define CFG_HZ                  2048            /* decrementer freq in Hz */
 149
 150                                                 /* valid baudrates */
 151 #define CFG_BAUDRATE_TABLE      { 9600, 19200, 38400, 57600, 115200 }
 152
 153 /*-----------------------------------------------------------------------
 154  * Stack sizes
 155  *
 156  * The stack sizes are set up in start.S using the settings below
 157  */
 158 #define CONFIG_STACKSIZE        (128*1024)      /* regular stack */
 159 #ifdef CONFIG_USE_IRQ
 160 #define CONFIG_STACKSIZE_IRQ    (4*1024)        /* IRQ stack */
 161 #define CONFIG_STACKSIZE_FIQ    (4*1024)        /* FIQ stack */
 162 #endif
 163
 164 /*-----------------------------------------------------------------------
 165  * Physical Memory Map
 166  */
 167 #define CONFIG_NR_DRAM_BANKS    1          /* we have 1 bank of SRAM */
 168 #define PHYS_SDRAM_1            0x81000000 /* SRAM Bank #1 */
 169 #define PHYS_SDRAM_1_SIZE       0x02000000 /* 32 MB SRAM */
 170
 171 /* This is the external flash */
 172 #define PHYS_FLASH_1            0x80000000 /* Flash Bank #1 */
 173 #define PHYS_FLASH_SIZE         0x01000000 /* 16 MB */
 174
 175 /*-----------------------------------------------------------------------
 176  * FLASH and environment organization
 177  */
 178
 179 /*
 180  * The first entry in CFG_FLASH_BANKS_LIST is a dummy, but it must be present.
 181  */
 182 #define CFG_FLASH_BANKS_LIST    { 0, PHYS_FLASH_1 }
 183 #define CFG_FLASH_ADDR0                 0x555
 184 #define CFG_FLASH_ADDR1                 0x2AA
 185 #define CFG_FLASH_ERASE_TOUT    16384   /* Timeout for Flash Erase (in ms) */
 186 #define CFG_FLASH_WRITE_TOUT    5       /* Timeout for Flash Write (in ms) */
 187
 188 #define CFG_MAX_FLASH_SECT      128  /* max number of sectors on one chip    */
 189
 190 #define CFG_MAX_FLASH_BANKS     2       /* max number of memory banks           */
 191
 192 #define CFG_ENV_IS_IN_FLASH     1
 193 /* The Environment Sector is in the CPU-internal flash */
 194 #define CFG_FLASH_BASE          0
 195 #define CFG_ENV_OFFSET          0x3C000
 196 #define CFG_ENV_ADDR            (CFG_FLASH_BASE + CFG_ENV_OFFSET)
 197 #define CFG_ENV_SIZE            0x2000 /* Total Size of Environment Sector      */
 198
 199 #define CONFIG_CMDLINE_TAG
 200 #define CONFIG_SETUP_MEMORY_TAGS
 201 #define CONFIG_INITRD_TAG
 202 #define CONFIG_MMC                      1
 203 /* we use this ethernet chip */
 204 #define CONFIG_ENC28J60
 205
 206 #endif  /* __CONFIG_H */