include/configs/ML2.h

/*
 * ML2.h: ML2 specific config options
 *
 * Copyright 2002 Mind NV
 *
 * http://www.mind.be/
 *
 * Author : Peter De Schrijver (p2@mind.be)
 *
 * Derived from : other configuration header files in this tree
 *
 * This software may be used and distributed according to the terms of
 * the GNU General Public License (GPL) version 2, incorporated herein by
 * reference. Drivers based on or derived from this code fall under the GPL
 * and must retain the authorship, copyright and this license notice. This
 * file is not a complete program and may only be used when the entire
 * program is licensed under the GPL.
 *
 */

#ifndef __CONFIG_H
#define __CONFIG_H

/*
 * High Level Configuration Options
 * (easy to change)
 */

#define CONFIG_405		1	/* This is a PPC405 CPU		*/
#define CONFIG_4xx		1	/* ...member of PPC4xx family   */
#define CONFIG_ML2	1	/* ...on a ML2 board	*/

#define	CONFIG_SYS_TEXT_BASE	0x18000000
#define CONFIG_SYS_LDSCRIPT	"board/ml2/u-boot.lds"

#define CONFIG_ENV_IS_IN_FLASH     1

#ifdef CONFIG_ENV_IS_IN_NVRAM
#undef CONFIG_ENV_IS_IN_FLASH
#else
#ifdef CONFIG_ENV_IS_IN_FLASH
#undef CONFIG_ENV_IS_IN_NVRAM
#endif
#endif

#define CONFIG_BAUDRATE		9600
#define CONFIG_BOOTDELAY	3	/* autoboot after 3 seconds	*/

#if 1
#define CONFIG_BOOTCOMMAND	"bootm" /* autoboot command	*/
#else
#define CONFIG_BOOTCOMMAND	"bootp" /* autoboot command		*/
#endif

#define CONFIG_PREBOOT		"fsload 0x00100000 /boot/image"

#if 0
#define CONFIG_BOOTARGS		"root=/dev/nfs "                        \
    "ip=192.168.2.176:192.168.2.190:192.168.2.79:255.255.255.0 "        \
    "nfsroot=192.168.2.190:/home/stefan/cpci405/target_ftest4"
#else
#define CONFIG_BOOTARGS		"root=/dev/mtdblock2 "			\
   "console=ttyS0 console=tty"

#endif

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


/*
 * BOOTP options
 */
#define CONFIG_BOOTP_BOOTFILESIZE
#define CONFIG_BOOTP_BOOTPATH
#define CONFIG_BOOTP_GATEWAY
#define CONFIG_BOOTP_HOSTNAME


/*
 * Command line configuration.
 */
#include <config_cmd_default.h>

#define CONFIG_CMD_IRQ
#define CONFIG_CMD_KGDB
#define CONFIG_CMD_BEDBUG
#define CONFIG_CMD_ELF
#define CONFIG_CMD_JFFS2

#undef CONFIG_CMD_NET
#undef CONFIG_CMD_NFS
#undef CONFIG_CMD_RTC
#undef CONFIG_CMD_PCI
#undef CONFIG_CMD_I2C


#undef CONFIG_WATCHDOG			/* watchdog disabled		*/

#define CONFIG_SYS_CLK_FREQ 50000000

#define CONFIG_SPD_EEPROM      1       /* use SPD EEPROM for setup    */

/*
 * I2C
 */
#define CONFIG_HARD_I2C			/* I2C with hardware support	*/
#define CONFIG_PPC4XX_I2C		/* use PPC4xx driver		*/
#define CONFIG_SYS_I2C_SLAVE	0x7F
#define CONFIG_SYS_I2C_SPEED	400000

/*
 * Miscellaneous configurable options
 */
#define CONFIG_SYS_LONGHELP			/* undef to save memory		*/
#define CONFIG_SYS_PROMPT	"=> "		/* Monitor Command Prompt	*/
#if defined(CONFIG_CMD_KGDB)
#define	CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size	*/
#else
#define	CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size	*/
#endif
#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
#define CONFIG_SYS_MAXARGS	16		/* max number of command args	*/
#define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size	*/

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

/*
 * If CONFIG_SYS_EXT_SERIAL_CLOCK, then the UART divisor is 1.
 * If CONFIG_SYS_405_UART_ERRATA_59, then UART divisor is 31.
 * Otherwise, UART divisor is determined by CPU Clock and CONFIG_SYS_BASE_BAUD value.
 * The Linux BASE_BAUD define should match this configuration.
 *    baseBaud = cpuClock/(uartDivisor*16)
 * If CONFIG_SYS_405_UART_ERRATA_59 and 200MHz CPU clock,
 * set Linux BASE_BAUD to 403200.
 */
#undef  CONFIG_SYS_EXT_SERIAL_CLOCK           /* external serial clock */
#undef  CONFIG_SYS_405_UART_ERRATA_59         /* 405GP/CR Rev. D silicon */

#define CONFIG_SYS_BASE_BAUD       (3125000*16)
#define CONFIG_SYS_NS16550_CLK CONFIG_SYS_BASE_BAUD
#define CONFIG_SYS_DUART_CHAN		0
#define CONFIG_SYS_NS16550_COM1	0xa0001003
#define CONFIG_SYS_NS16550_COM2	0xa0011003
#define CONFIG_SYS_NS16550_REG_SIZE -4
#define CONFIG_SYS_NS16550 1
#define CONFIG_SYS_INIT_CHAN1	 1
#define CONFIG_SYS_INIT_CHAN2	 1

/* The following table includes the supported baudrates */
#define CONFIG_SYS_BAUDRATE_TABLE  \
    {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}

#define CONFIG_SYS_LOAD_ADDR		0x100000	/* default load address */
#define CONFIG_SYS_EXTBDINFO		1	/* To use extended board_into (bd_t) */

#define	CONFIG_SYS_HZ		1000		/* decrementer freq: 1 ms ticks	*/


/*-----------------------------------------------------------------------
 * Start addresses for the final memory configuration
 * (Set up by the startup code)
 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
 */
#define CONFIG_SYS_SDRAM_BASE		0x00000000
#define CONFIG_SYS_FLASH_BASE		0x18000000
#define CONFIG_SYS_MONITOR_BASE	CONFIG_SYS_FLASH_BASE
#define CONFIG_SYS_MONITOR_LEN		(192 * 1024)	/* Reserve 196 kB for Monitor	*/
#define CONFIG_SYS_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 CONFIG_SYS_BOOTMAPSZ		(8 << 20)	/* Initial Memory map for Linux */
/*-----------------------------------------------------------------------
 * FLASH organization
 */
#define CONFIG_SYS_MAX_FLASH_BANKS	1	/* max number of memory banks		*/
#define CONFIG_SYS_MAX_FLASH_SECT	256	/* max number of sectors on one chip	*/

#define CONFIG_SYS_FLASH_ERASE_TOUT	120000	/* Timeout for Flash Erase (in ms)	*/
#define CONFIG_SYS_FLASH_WRITE_TOUT	500	/* Timeout for Flash Write (in ms)	*/

/* BEG ENVIRONNEMENT FLASH */
#ifdef CONFIG_ENV_IS_IN_FLASH
#define CONFIG_ENV_OFFSET		0x00050000 /* Offset of Environment Sector  */
#define	CONFIG_ENV_SIZE		0x10000	/* Total Size of Environment Sector	*/
#define CONFIG_ENV_SECT_SIZE	0x10000	/* see README - env sector total size	*/
#endif
/* END ENVIRONNEMENT FLASH */
/*-----------------------------------------------------------------------
 * NVRAM organization
 */
#define CONFIG_SYS_NVRAM_BASE_ADDR	0xf0000000	/* NVRAM base address	*/
#define CONFIG_SYS_NVRAM_SIZE		0x1ff8		/* NVRAM size	*/

#ifdef CONFIG_ENV_IS_IN_NVRAM
#define CONFIG_ENV_SIZE		0x1000		/* Size of Environment vars	*/
#define CONFIG_ENV_ADDR		\
	(CONFIG_SYS_NVRAM_BASE_ADDR+CONFIG_SYS_NVRAM_SIZE-CONFIG_ENV_SIZE)	/* Env	*/
#endif

/*
 * Init Memory Controller:
 *
 * BR0/1 and OR0/1 (FLASH)
 */

#define FLASH_BASE0_PRELIM	CONFIG_SYS_FLASH_BASE	/* FLASH bank #0	*/
#define FLASH_BASE1_PRELIM	0		/* FLASH bank #1	*/


/* Configuration Port location */
#define CONFIG_PORT_ADDR	0xF0000500

/*-----------------------------------------------------------------------
 * Definitions for initial stack pointer and data area (in DPRAM)
 */

#define CONFIG_SYS_INIT_RAM_ADDR       0x800000  /* inside of SDRAM                     */
#define CONFIG_SYS_INIT_RAM_SIZE        0x2000  /* Size of used area in RAM             */
#define CONFIG_SYS_GBL_DATA_OFFSET    (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
#define CONFIG_SYS_INIT_SP_OFFSET      CONFIG_SYS_GBL_DATA_OFFSET

/*-----------------------------------------------------------------------
 * Definitions for Serial Presence Detect EEPROM address
 * (to get SDRAM settings)
 */
#define SPD_EEPROM_ADDRESS      0x50

#if defined(CONFIG_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

/*
 * JFFS2 partitions
 *
 */
/* No command line, one static partition, whole device */
#undef CONFIG_CMD_MTDPARTS
#define CONFIG_JFFS2_DEV		"nor0"
#define CONFIG_JFFS2_PART_SIZE		0xFFFFFFFF
#define CONFIG_JFFS2_PART_OFFSET	0x00080000

/* mtdparts command line support */
/* Note: fake mtd_id used, no linux mtd map file */
/*
#define CONFIG_CMD_MTDPARTS
#define MTDIDS_DEFAULT		"nor0=ml2-0"
#define MTDPARTS_DEFAULT	"mtdparts=ml2-0:-@512k(jffs2)"
*/

#endif	/* __CONFIG_H */