include/configs/EP88x.h

   1 /*
   2  * Copyright (C) 2005 Arabella Software Ltd.
   3  * Yuli Barcohen <yuli@arabellasw.com>
   4  *
   5  * Support for Embedded Planet EP88x boards.
   6  * Tested on EP88xC with MPC885 CPU, 64MB SDRAM and 16MB flash.
   7  *
   8  * See file CREDITS for list of people who contributed to this
   9  * project.
  10  *
  11  * This program is free software; you can redistribute it and/or
  12  * modify it under the terms of the GNU General Public License as
  13  * published by the Free Software Foundation; either version 2 of
  14  * the License, or (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  24  * MA 02111-1307 USA
  25  */
  26 #ifndef __CONFIG_H
  27 #define __CONFIG_H
  28
  29 #define CONFIG_MPC885
  30
  31 #define CONFIG_EP88X                            /* Embedded Planet EP88x board  */
  32
  33 #define CONFIG_BOARD_EARLY_INIT_F               /* Call board_early_init_f      */
  34
  35 /* Allow serial number (serial#) and MAC address (ethaddr) to be overwritten */
  36 #define CONFIG_ENV_OVERWRITE
  37
  38 #define CONFIG_8xx_CONS_SMC1    1               /* Console is on SMC1           */
  39 #define CONFIG_BAUDRATE         38400
  40
  41 #define CONFIG_ETHER_ON_FEC1                    /* Enable Ethernet on FEC1      */
  42 #define CONFIG_ETHER_ON_FEC2                    /* Enable Ethernet on FEC2      */
  43 #if defined(CONFIG_ETHER_ON_FEC1) || defined(CONFIG_ETHER_ON_FEC2)
  44 #define CFG_DISCOVER_PHY
  45 #define FEC_ENET
  46 #endif /* CONFIG_FEC_ENET */
  47
  48 #define CONFIG_8xx_OSCLK                10000000 /* 10 MHz oscillator on EXTCLK */
  49 #define CONFIG_8xx_CPUCLK_DEFAULT       100000000
  50 #define CFG_8xx_CPUCLK_MIN              40000000
  51 #define CFG_8xx_CPUCLK_MAX              133000000
  52
  53 /*
  54  * BOOTP options
  55  */
  56 #define CONFIG_BOOTP_BOOTFILESIZE
  57 #define CONFIG_BOOTP_BOOTPATH
  58 #define CONFIG_BOOTP_GATEWAY
  59 #define CONFIG_BOOTP_HOSTNAME
  60
  61
  62 /*
  63  * Command line configuration.
  64  */
  65 #include <config_cmd_default.h>
  66
  67 #define CONFIG_CMD_DHCP
  68 #define CONFIG_CMD_IMMAP
  69 #define CONFIG_CMD_MII
  70 #define CONFIG_CMD_PING
  71
  72
  73 #define CONFIG_BOOTDELAY        5               /* Autoboot after 5 seconds     */
  74 #define CONFIG_BOOTCOMMAND      "bootm fe060000"        /* Autoboot command     */
  75 #define CONFIG_BOOTARGS         "root=/dev/mtdblock1 rw mtdparts=phys:2M(ROM)ro,-(root)"
  76
  77 #define CONFIG_BZIP2            /* Include support for bzip2 compressed images  */
  78 #undef  CONFIG_WATCHDOG         /* Disable platform specific watchdog           */
  79
  80 /*-----------------------------------------------------------------------
  81  * Miscellaneous configurable options
  82  */
  83 #define CFG_PROMPT              "=> "           /* Monitor Command Prompt       */
  84 #define CFG_HUSH_PARSER
  85 #define CFG_PROMPT_HUSH_PS2     "> "
  86 #define CFG_LONGHELP                            /* #undef to save memory        */
  87 #define CFG_CBSIZE              256             /* Console I/O Buffer Size      */
  88 #define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16)  /* Print Buffer Size */
  89 #define CFG_MAXARGS             16              /* Max number of command args   */
  90 #define CFG_BARGSIZE            CFG_CBSIZE      /* Boot Argument Buffer Size    */
  91
  92 #define CFG_LOAD_ADDR           0x400000        /* Default load address         */
  93
  94 #define CFG_HZ                  1000            /* Decrementer freq: 1 ms ticks */
  95
  96 #define CFG_BAUDRATE_TABLE      { 9600, 19200, 38400, 57600, 115200 }
  97
  98 /*-----------------------------------------------------------------------
  99  * RAM configuration (note that CFG_SDRAM_BASE must be zero)
 100  */
 101 #define CFG_SDRAM_BASE          0x00000000
 102 #define CFG_SDRAM_MAX_SIZE      0x08000000      /* Up to 128 Mbyte              */
 103
 104 #define CFG_MAMR                0x00805000
 105
 106 /*
 107  * 4096 Up to 4096 SDRAM rows
 108  * 1000 factor s -> ms
 109  * 32   PTP (pre-divider from MPTPR)
 110  * 4    Number of refresh cycles per period
 111  * 64   Refresh cycle in ms per number of rows
 112  */
 113 #define CFG_PTA_PER_CLK         ((4096 * 32 * 1000) / (4 * 64))
 114
 115 #define CFG_MEMTEST_START       0x00100000      /* memtest works on             */
 116 #define CFG_MEMTEST_END         0x00500000      /* 1 ... 5 MB in SDRAM          */
 117
 118 #define CFG_RESET_ADDRESS       0x09900000
 119
 120 /*-----------------------------------------------------------------------
 121  * For booting Linux, the board info and command line data
 122  * have to be in the first 8 MB of memory, since this is
 123  * the maximum mapped by the Linux kernel during initialization.
 124  */
 125 #define CFG_BOOTMAPSZ           (8 << 20)       /* Initial Memory map for Linux */
 126
 127 #define CFG_MONITOR_BASE        TEXT_BASE
 128 #define CFG_MONITOR_LEN         (256 << 10)     /* Reserve 256 KB for Monitor   */
 129 #ifdef CONFIG_BZIP2
 130 #define CFG_MALLOC_LEN          (4096 << 10)    /* Reserve ~4 MB for malloc()   */
 131 #else
 132 #define CFG_MALLOC_LEN          (128 << 10)     /* Reserve 128 KB for malloc()  */
 133 #endif /* CONFIG_BZIP2 */
 134
 135 /*-----------------------------------------------------------------------
 136  * Flash organisation
 137  */
 138 #define CFG_FLASH_BASE          0xFC000000
 139 #define CFG_FLASH_CFI                           /* The flash is CFI compatible  */
 140 #define CFG_FLASH_CFI_DRIVER                    /* Use common CFI driver        */
 141 #define CFG_MAX_FLASH_BANKS     1               /* Max number of flash banks    */
 142 #define CFG_MAX_FLASH_SECT      512             /* Max num of sects on one chip */
 143
 144 /* Environment is in flash */
 145 #define CFG_ENV_IS_IN_FLASH
 146 #define CFG_ENV_SECT_SIZE       0x20000         /* We use one complete sector   */
 147 #define CFG_ENV_ADDR            (CFG_MONITOR_BASE + CFG_MONITOR_LEN)
 148
 149 #define CFG_OR0_PRELIM          0xFC000160
 150 #define CFG_BR0_PRELIM          (CFG_FLASH_BASE | BR_PS_32 | BR_MS_GPCM | BR_V)
 151
 152 #define CFG_DIRECT_FLASH_TFTP
 153
 154 /*-----------------------------------------------------------------------
 155  * BCSR
 156  */
 157 #define CFG_OR3_PRELIM          0xFF0005B0
 158 #define CFG_BR3_PRELIM          (0xFA000000 |BR_PS_16 | BR_MS_GPCM | BR_V)
 159
 160 #define CFG_BCSR                0xFA400000
 161
 162 /*-----------------------------------------------------------------------
 163  * Internal Memory Map Register
 164  */
 165 #define CFG_IMMR                0xF0000000
 166
 167 /*-----------------------------------------------------------------------
 168  * Definitions for initial stack pointer and data area (in DPRAM)
 169  */
 170 #define CFG_INIT_RAM_ADDR       CFG_IMMR
 171 #define CFG_INIT_RAM_END        0x2F00          /* End of used area in DPRAM    */
 172 #define CFG_GBL_DATA_SIZE       128  /* Size in bytes reserved for initial data */
 173 #define CFG_GBL_DATA_OFFSET     (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
 174 #define CFG_INIT_SP_OFFSET      CFG_GBL_DATA_OFFSET
 175
 176 /*-----------------------------------------------------------------------
 177  * Configuration registers
 178  */
 179 #ifdef CONFIG_WATCHDOG
 180 #define CFG_SYPCR               (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME  | \
 181                                  SYPCR_SWF  | SYPCR_SWE | SYPCR_SWRI | \
 182                                  SYPCR_SWP)
 183 #else
 184 #define CFG_SYPCR               (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME  | \
 185                                  SYPCR_SWF  | SYPCR_SWP)
 186 #endif /* CONFIG_WATCHDOG */
 187
 188 #define CFG_SIUMCR              (SIUMCR_MLRC01 | SIUMCR_DBGC11)
 189
 190 /* TBSCR - Time Base Status and Control Register */
 191 #define CFG_TBSCR               (TBSCR_TBF | TBSCR_TBE)
 192
 193 /* PISCR - Periodic Interrupt Status and Control */
 194 #define CFG_PISCR               PISCR_PS
 195
 196 /* SCCR - System Clock and reset Control Register */
 197 #define SCCR_MASK               SCCR_EBDF11
 198 #define CFG_SCCR                SCCR_RTSEL
 199
 200 #define CFG_DER                 0
 201
 202 /*-----------------------------------------------------------------------
 203  * Cache Configuration
 204  */
 205 #define CFG_CACHELINE_SIZE      16      /* For all MPC8xx chips                 */
 206
 207 /*-----------------------------------------------------------------------
 208  * Internal Definitions
 209  *
 210  * Boot Flags
 211  */
 212 #define BOOTFLAG_COLD           0x01    /* Normal Power-On: Boot from flash     */
 213 #define BOOTFLAG_WARM           0x02    /* Software reboot                      */
 214
 215 #endif /* __CONFIG_H */