include/configs/EXBITGEN.h - uboot/mindspeed - Git at Google

 /*
  * (C) Copyright 2000-2004
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  *
  * 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_405GP		1	/* This is a PPC405GP CPU     	*/
 #define CONFIG_4xx		1	/* ...member of PPC4xx family   */
 #define CONFIG_EXBITGEN		1	/* on a Exbit Generic board     */

 #define CONFIG_BOARD_EARLY_INIT_F 1	/* Call board_early_init_f	*/

 #define CONFIG_SYS_CLK_FREQ     25000000 /* external frequency to pll   */

 /* I2C configuration */
 #define CONFIG_HARD_I2C		1	/* I2C with hardware support	*/
 #define CFG_I2C_SPEED		40000	/* I2C speed			*/
 #define CFG_I2C_SLAVE		0x7F	/* I2C slave address		*/

 /* environment is in EEPROM */
 #define CFG_ENV_IS_IN_EEPROM    1
 #undef CFG_ENV_IS_IN_FLASH
 #undef CFG_ENV_IS_IN_NVRAM

 #ifdef CFG_ENV_IS_IN_EEPROM
 #define CFG_I2C_EEPROM_ADDR		0x56    /* 1010110 */
 #define CFG_I2C_EEPROM_ADDR_LEN		1	/* 8-bit internal addressing */
 #define CFG_I2C_EEPROM_ADDR_OVERFLOW	1	/* ... and 1 bit in I2C address */
 #define CFG_EEPROM_PAGE_WRITE_BITS	3	/* 4 bytes per page */
 #define CFG_EEPROM_PAGE_WRITE_DELAY_MS	40	/* write takes up to 40 msec */
 #define CFG_ENV_OFFSET		4	/* Offset of Environment Sector	*/
 #define	CFG_ENV_SIZE		350	/* that is 350 bytes only!	*/
 #endif

 #define CONFIG_BOOTDELAY	10	/* autoboot after 10 seconds	*/
 /* Explanation:
    autbooting is altogether disabled and cannot be
    enabled if CONFIG_BOOTDELAY is negative.
    If you want shorter bootdelay, then
    - "setenv bootdelay <delay>" to the proper value
 */

 #define CONFIG_BOOTCOMMAND	"bootm 20400000 20800000"

 #define CONFIG_BOOTARGS		"root=/dev/ram "  \
 				"ramdisk_size=32768 " \
 				"console=ttyS0,115200 " \
 				"ram=128M debug"

 #define CONFIG_LOADS_ECHO	1	/* echo on for serial download	*/
 #define CFG_LOADS_BAUD_CHANGE	1	/* allow baudrate change	*/

 #define CONFIG_MII		1	/* MII PHY management		*/
 #define CONFIG_PHY_ADDR		0	/* PHY address			*/

 #define CONFIG_COMMANDS		(CONFIG_CMD_DFL)

 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
 #include <cmd_confdefs.h>

 #undef CONFIG_WATCHDOG			/* watchdog disabled		*/

 /*
  * 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_MEMTEST_START	0x0400000	/* memtest works on	*/
 #define CFG_MEMTEST_END		0x0C00000	/* 4 ... 12 MB in DRAM	*/

 /* UART configuration */
 #define CFG_BASE_BAUD		691200

 /* Default baud rate */
 #define CONFIG_BAUDRATE		115200

 /* 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_CLKS_IN_HZ		1	/* everything, incl board info, in Hz */

 #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	*/

 /*-----------------------------------------------------------------------
  * PCI stuff
  *-----------------------------------------------------------------------
  */
 #undef CONFIG_PCI			/* no pci support	        */

 /*-----------------------------------------------------------------------
  * External peripheral base address
  *-----------------------------------------------------------------------
  */
 #undef  CONFIG_IDE_PCMCIA               /* no pcmcia interface required */
 #undef  CONFIG_IDE_LED                  /* no led for ide supported     */
 #undef  CONFIG_IDE_RESET                /* no reset for ide supported   */

 #define	CFG_KEY_REG_BASE_ADDR	0xF0100000
 #define	CFG_IR_REG_BASE_ADDR	0xF0200000
 #define	CFG_FPGA_REG_BASE_ADDR	0xF0300000

 /*-----------------------------------------------------------------------
  * 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_FLASH0_BASE		0xFFF80000
 #define CFG_FLASH0_SIZE		0x00080000
 #define CFG_FLASH1_BASE		0x20000000
 #define CFG_FLASH1_SIZE		0x02000000
 #define CFG_FLASH_BASE		CFG_FLASH0_BASE
 #define CFG_FLASH_SIZE		CFG_FLASH0_SIZE
 #define CFG_MONITOR_BASE	TEXT_BASE
 #define CFG_MONITOR_LEN		(192 * 1024)	/* Reserve 196 kB for Monitor	*/
 #define CFG_MALLOC_LEN		(128 * 1024)	/* Reserve 128 kB for malloc()	*/

 #if CFG_MONITOR_BASE < CFG_FLASH0_BASE
 #define CFG_RAMSTART
 #endif

 /*
  * 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	5	/* max number of memory banks		*/
 #define CFG_MAX_FLASH_SECT	128	/* 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)	*/

 #ifdef CFG_ENV_IS_IN_FLASH
 #define CFG_ENV_OFFSET		0x00060000 /* Offset of Environment Sector      */
 #define	CFG_ENV_SIZE		0x00010000 /* Total Size of Environment Sector	*/
 #define CFG_ENV_SECT_SIZE	0x00010000 /* see README - env sector total size */
 #endif

 /* On Chip Memory location/size */
 #define CFG_OCM_DATA_ADDR	0xF8000000
 #define CFG_OCM_DATA_SIZE	0x1000

 /* Global info and initial stack */
 #define CFG_INIT_RAM_ADDR	CFG_OCM_DATA_ADDR /* inside of on-chip SRAM	*/
 #define CFG_INIT_RAM_END	CFG_OCM_DATA_SIZE /* End of used area in RAM	*/
 #define CFG_GBL_DATA_SIZE	128 /* 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

 /* Cache configuration */
 #define CFG_DCACHE_SIZE		8192
 #define CFG_CACHELINE_SIZE	32

 /*
  * Internal Definitions
  *
  * Boot Flags
  */
 #define BOOTFLAG_COLD	0x01		/* Normal Power-On: Boot from FLASH	*/
 #define BOOTFLAG_WARM	0x02		/* Software reboot			*/

 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
 #define CONFIG_KGDB_BAUDRATE	230400	/* speed to run kgdb serial port */
 #define CONFIG_KGDB_SER_INDEX	2	/* which serial port to use */
 #endif
 #endif	/* __CONFIG_H */
	/*
	* (C) Copyright 2000-2004
	* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
	*
	* 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_405GP 1 /* This is a PPC405GP CPU */
	#define CONFIG_4xx 1 /* ...member of PPC4xx family */
	#define CONFIG_EXBITGEN 1 /* on a Exbit Generic board */

	#define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f */

	#define CONFIG_SYS_CLK_FREQ 25000000 /* external frequency to pll */

	/* I2C configuration */
	#define CONFIG_HARD_I2C 1 /* I2C with hardware support */
	#define CFG_I2C_SPEED 40000 /* I2C speed */
	#define CFG_I2C_SLAVE 0x7F /* I2C slave address */

	/* environment is in EEPROM */
	#define CFG_ENV_IS_IN_EEPROM 1
	#undef CFG_ENV_IS_IN_FLASH
	#undef CFG_ENV_IS_IN_NVRAM

	#ifdef CFG_ENV_IS_IN_EEPROM
	#define CFG_I2C_EEPROM_ADDR 0x56 /* 1010110 */
	#define CFG_I2C_EEPROM_ADDR_LEN 1 /* 8-bit internal addressing */
	#define CFG_I2C_EEPROM_ADDR_OVERFLOW 1 /* ... and 1 bit in I2C address */
	#define CFG_EEPROM_PAGE_WRITE_BITS 3 /* 4 bytes per page */
	#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 40 /* write takes up to 40 msec */
	#define CFG_ENV_OFFSET 4 /* Offset of Environment Sector */
	#define CFG_ENV_SIZE 350 /* that is 350 bytes only! */
	#endif

	#define CONFIG_BOOTDELAY 10 /* autoboot after 10 seconds */
	/* Explanation:
	autbooting is altogether disabled and cannot be
	enabled if CONFIG_BOOTDELAY is negative.
	If you want shorter bootdelay, then
	- "setenv bootdelay <delay>" to the proper value
	*/

	#define CONFIG_BOOTCOMMAND "bootm 20400000 20800000"

	#define CONFIG_BOOTARGS "root=/dev/ram " \
	"ramdisk_size=32768 " \
	"console=ttyS0,115200 " \
	"ram=128M debug"

	#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
	#define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */

	#define CONFIG_MII 1 /* MII PHY management */
	#define CONFIG_PHY_ADDR 0 /* PHY address */

	#define CONFIG_COMMANDS (CONFIG_CMD_DFL)

	/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
	#include <cmd_confdefs.h>

	#undef CONFIG_WATCHDOG /* watchdog disabled */

	/*
	* 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_MEMTEST_START 0x0400000 /* memtest works on */
	#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */

	/* UART configuration */
	#define CFG_BASE_BAUD 691200

	/* Default baud rate */
	#define CONFIG_BAUDRATE 115200

	/* 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_CLKS_IN_HZ 1 /* everything, incl board info, in Hz */

	#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 */

	/*-----------------------------------------------------------------------
	* PCI stuff
	*-----------------------------------------------------------------------
	*/
	#undef CONFIG_PCI /* no pci support */

	/*-----------------------------------------------------------------------
	* External peripheral base address
	*-----------------------------------------------------------------------
	*/
	#undef CONFIG_IDE_PCMCIA /* no pcmcia interface required */
	#undef CONFIG_IDE_LED /* no led for ide supported */
	#undef CONFIG_IDE_RESET /* no reset for ide supported */

	#define CFG_KEY_REG_BASE_ADDR 0xF0100000
	#define CFG_IR_REG_BASE_ADDR 0xF0200000
	#define CFG_FPGA_REG_BASE_ADDR 0xF0300000

	/*-----------------------------------------------------------------------
	* 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_FLASH0_BASE 0xFFF80000
	#define CFG_FLASH0_SIZE 0x00080000
	#define CFG_FLASH1_BASE 0x20000000
	#define CFG_FLASH1_SIZE 0x02000000
	#define CFG_FLASH_BASE CFG_FLASH0_BASE
	#define CFG_FLASH_SIZE CFG_FLASH0_SIZE
	#define CFG_MONITOR_BASE TEXT_BASE
	#define CFG_MONITOR_LEN (192 * 1024) /* Reserve 196 kB for Monitor */
	#define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc() */

	#if CFG_MONITOR_BASE < CFG_FLASH0_BASE
	#define CFG_RAMSTART
	#endif

	/*
	* 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 5 /* max number of memory banks */
	#define CFG_MAX_FLASH_SECT 128 /* 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) */

	#ifdef CFG_ENV_IS_IN_FLASH
	#define CFG_ENV_OFFSET 0x00060000 /* Offset of Environment Sector */
	#define CFG_ENV_SIZE 0x00010000 /* Total Size of Environment Sector */
	#define CFG_ENV_SECT_SIZE 0x00010000 /* see README - env sector total size */
	#endif

	/* On Chip Memory location/size */
	#define CFG_OCM_DATA_ADDR 0xF8000000
	#define CFG_OCM_DATA_SIZE 0x1000

	/* Global info and initial stack */
	#define CFG_INIT_RAM_ADDR CFG_OCM_DATA_ADDR /* inside of on-chip SRAM */
	#define CFG_INIT_RAM_END CFG_OCM_DATA_SIZE /* End of used area in RAM */
	#define CFG_GBL_DATA_SIZE 128 /* 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

	/* Cache configuration */
	#define CFG_DCACHE_SIZE 8192
	#define CFG_CACHELINE_SIZE 32

	/*
	* Internal Definitions
	*
	* Boot Flags
	*/
	#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
	#define BOOTFLAG_WARM 0x02 /* Software reboot */

	#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
	#define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */
	#define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */
	#endif
	#endif /* __CONFIG_H */