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authorwdenk <wdenk>2002-09-18 09:04:55 +0000
committerwdenk <wdenk>2002-09-18 09:04:55 +0000
commitab255f26f96519e44b295d7b0f4883a03c5cbfc8 (patch)
tree17ed1f78178ea55cd8006fe593d16e9af1c54222 /include/configs/CANBT.h
parent89930721bc20ecda60c9415a74aa3c343f7a4283 (diff)
Initial revision
Diffstat (limited to 'include/configs/CANBT.h')
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diff --git a/include/configs/CANBT.h b/include/configs/CANBT.h
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+/*
+ * (C) Copyright 2001
+ * Matthias Fuchs, esd gmbh germany, matthias.fuchs@esd-electronics.com
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/*
+ * board/config.h - configuration options, board specific
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+
+#define CONFIG_405CR 1 /* This is a PPC405CR CPU */
+#define CONFIG_4xx 1 /* ...member of PPC4xx family */
+#define CONFIG_CANBT 1 /* ...on a CANBT board */
+
+#define CONFIG_BOARD_PRE_INIT 1 /* call board_pre_init() */
+
+#define CONFIG_SYS_CLK_FREQ 25000000 /* external frequency to pll */
+
+#define CONFIG_BAUDRATE 115200
+#define CONFIG_BOOTDELAY 1 /* autoboot after 1 seconds */
+
+#undef CONFIG_BOOTARGS
+#define CONFIG_BOOTCOMMAND \
+ "setenv bootargs root=/dev/ram rw console=ttyS0,115200; " \
+ "bootm ffe00000 ffe80000"
+
+#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
+#define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
+
+#undef CONFIG_PCI_PNP /* no pci plug-and-play */
+
+#define CONFIG_PHY_ADDR 0 /* PHY address */
+
+#define CONFIG_COMMANDS (( CONFIG_CMD_DFL | \
+ CFG_CMD_IRQ | \
+ CFG_CMD_EEPROM ) & \
+ ~CFG_CMD_NET)
+
+/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
+#include <cmd_confdefs.h>
+
+#undef CONFIG_WATCHDOG /* watchdog disabled */
+
+#define CONFIG_SDRAM_BANK0 1 /* init onboard SDRAM bank 0 */
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CFG_LONGHELP /* undef to save memory */
+#define CFG_PROMPT "=> " /* Monitor Command Prompt */
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
+#else
+#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
+#endif
+#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
+#define CFG_MAXARGS 16 /* max number of command args */
+#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
+
+#define CFG_CONSOLE_INFO_QUIET 1 /* don't print console @ startup*/
+
+#define CFG_MEMTEST_START 0x0400000 /* memtest works on */
+#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
+
+#define CFG_EXT_SERIAL_CLOCK 14745600 /* use external serial clock */
+
+/* The following table includes the supported baudrates */
+#define CFG_BAUDRATE_TABLE \
+ { 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, \
+ 57600, 115200, 230400, 460800, 921600 }
+
+#define CFG_LOAD_ADDR 0x100000 /* default load address */
+#define CFG_EXTBDINFO 1 /* To use extended board_into (bd_t) */
+
+#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
+
+#define CONFIG_ZERO_BOOTDELAY_CHECK /* check for keypress on bootdelay==0 */
+
+/*-----------------------------------------------------------------------
+ * Start addresses for the final memory configuration
+ * (Set up by the startup code)
+ * Please note that CFG_SDRAM_BASE _must_ start at 0
+ */
+#define CFG_SDRAM_BASE 0x00000000
+#define CFG_FLASH_BASE 0xFFFE0000
+#define CFG_MONITOR_BASE CFG_FLASH_BASE
+#define CFG_MONITOR_LEN (128 * 1024) /* Reserve 128 kB for Monitor */
+#define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc() */
+
+/*
+ * For booting Linux, the board info and command line data
+ * have to be in the first 8 MB of memory, since this is
+ * the maximum mapped by the Linux kernel during initialization.
+ */
+#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
+/*-----------------------------------------------------------------------
+ * FLASH organization
+ */
+#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
+#define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
+
+#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
+#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
+
+#define CFG_FLASH_WORD_SIZE unsigned short /* flash word size (width) */
+#define CFG_FLASH_ADDR0 0x5555 /* 1st address for flash config cycles */
+#define CFG_FLASH_ADDR1 0x2AAA /* 2nd address for flash config cycles */
+/*
+ * The following defines are added for buggy IOP480 byte interface.
+ * All other boards should use the standard values (CPCI405 etc.)
+ */
+#define CFG_FLASH_READ0 0x0000 /* 0 is standard */
+#define CFG_FLASH_READ1 0x0001 /* 1 is standard */
+#define CFG_FLASH_READ2 0x0002 /* 2 is standard */
+
+#define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */
+
+#if 0 /* Use FLASH for environment variables */
+
+#define CFG_ENV_IS_IN_FLASH 1
+#define CFG_ENV_OFFSET 0x00010000 /* Offset of Environment Sector */
+#define CFG_ENV_SIZE 0x1000 /* Total Size of Environment Sector */
+
+#define CFG_ENV_SECT_SIZE 0x10000 /* see README - env sector total size */
+
+#else /* Use EEPROM for environment variables */
+
+#define CFG_ENV_IS_IN_EEPROM 1 /* use EEPROM for environment vars */
+#define CFG_ENV_OFFSET 0x000 /* environment starts at the beginning of the EEPROM */
+#define CFG_ENV_SIZE 0x400 /* 1024 bytes may be used for env vars */
+ /* total size of a CAT24WC08 is 1024 bytes */
+#endif
+
+/*-----------------------------------------------------------------------
+ * I2C EEPROM (CAT24WC08) for environment
+ */
+#define CONFIG_HARD_I2C /* I2C with hardware support */
+#define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
+#define CFG_I2C_SLAVE 0x7F
+
+#define CFG_I2C_EEPROM_ADDR 0x50 /* EEPROM CAT28WC08 */
+#define CFG_I2C_EEPROM_ADDR_LEN 1 /* bytes of address */
+/* mask of address bits that overflow into the "EEPROM chip address" */
+#define CFG_I2C_EEPROM_ADDR_OVERFLOW 0x07
+
+/*-----------------------------------------------------------------------
+ * Cache Configuration
+ */
+#define CFG_DCACHE_SIZE 8192 /* For IBM 405 CPUs */
+#define CFG_CACHELINE_SIZE 32 /* ... */
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
+#endif
+
+/*
+ * Init Memory Controller:
+ *
+ * BR0/1 and OR0/1 (FLASH)
+ */
+
+#define FLASH_BASE0_PRELIM 0xFFC00000 /* FLASH bank #0 */
+#define FLASH_BASE1_PRELIM 0 /* FLASH bank #1 */
+
+/*-----------------------------------------------------------------------
+ * External Bus Controller (EBC) Setup
+ */
+
+/* Memory Bank 0 (Flash Bank 0) initialization */
+#define CFG_EBC_PB0AP 0x92015480
+#define CFG_EBC_PB0CR 0xFFC5A000 /* BAS=0xFFC,BS=4MB,BU=R/W,BW=16bit */
+
+/* Memory Bank 1 (CAN/USB) initialization */
+#define CFG_EBC_PB1AP 0x010053C0 /* enable Ready, BEM=1 */
+#define CFG_EBC_PB1CR 0xF0018000 /* BAS=0xF00,BS=1MB,BU=R/W,BW=8bit */
+
+/* Memory Bank 2 (Misc-IO/LEDs) initialization */
+#define CFG_EBC_PB2AP 0x000004c0 /* no Ready, BEM=1 */
+#define CFG_EBC_PB2CR 0xF0118000 /* BAS=0xF01,BS=1MB,BU=R/W,BW=8bit */
+
+/* Memory Bank 3 (CAN Features) initialization */
+#define CFG_EBC_PB3AP 0x80000040 /* no Ready, BEM=1 */
+#define CFG_EBC_PB3CR 0xF021C000 /* BAS=0xF02,BS=1MB,BU=R/W,BW=32bit */
+
+/*-----------------------------------------------------------------------
+ * Definitions for initial stack pointer and data area (in RAM)
+ */
+#define CFG_INIT_RAM_ADDR 0x00ef0000 /* inside of SDRAM */
+#define CFG_INIT_RAM_END 0x0f00 /* End of used area in RAM */
+#define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
+#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
+#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
+
+
+/*
+ * Internal Definitions
+ *
+ * Boot Flags
+ */
+#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
+#define BOOTFLAG_WARM 0x02 /* Software reboot */
+
+#endif /* __CONFIG_H */