include/configs/sbc8260.h

/*
 * (C) Copyright 2000
 * Murray Jensen <Murray.Jensen@cmst.csiro.au>
 *
 * (C) Copyright 2000
 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
 * Marius Groeger <mgroeger@sysgo.de>
 *
 * (C) Copyright 2001
 * Advent Networks, Inc. <http://www.adventnetworks.com>
 * Jay Monkman <jtm@smoothsmoothie.com>
 *
 * Configuration settings for the WindRiver SBC8260 board.
 *	See http://www.windriver.com/products/html/sbc8260.html
 *
 * 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
 */

#ifndef __CONFIG_H
#define __CONFIG_H

/* Enable debug prints */
#undef DEBUG		      /* General debug */
#undef DEBUG_BOOTP_EXT	      /* Debug received vendor fields */

/*****************************************************************************
 *
 * These settings must match the way _your_ board is set up
 *
 *****************************************************************************/

/* What is the oscillator's (UX2) frequency in Hz? */
#define CONFIG_8260_CLKIN  (66 * 1000 * 1000)

/*-----------------------------------------------------------------------
 * MODCK_H & MODCLK[1-3] - Ref: Section 9.2 in MPC8206 User Manual
 *-----------------------------------------------------------------------
 * What should MODCK_H be? It is dependent on the oscillator
 * frequency, MODCK[1-3], and desired CPM and core frequencies.
 * Here are some example values (all frequencies are in MHz):
 *
 * MODCK_H   MODCK[1-3]	 Osc	CPM    Core  S2-6   S2-7   S2-8
 * -------   ----------	 ---	---    ----  -----  -----  -----
 * 0x1	     0x5	 33	100    133   Open   Close  Open
 * 0x1	     0x6	 33	100    166   Open   Open   Close
 * 0x1	     0x7	 33	100    200   Open   Open   Open
 *
 * 0x2	     0x2	 33	133    133   Close  Open   Close
 * 0x2	     0x3	 33	133    166   Close  Open   Open
 * 0x2	     0x4	 33	133    200   Open   Close  Close
 * 0x2	     0x5	 33	133    233   Open   Close  Open
 * 0x2	     0x6	 33	133    266   Open   Open   Close
 *
 * 0x5	     0x5	 66	133    133   Open   Close  Open
 * 0x5	     0x6	 66	133    166   Open   Open   Close
 * 0x5	     0x7	 66	133    200   Open   Open   Open
 * 0x6	     0x0	 66	133    233   Close  Close  Close
 * 0x6	     0x1	 66	133    266   Close  Close  Open
 * 0x6	     0x2	 66	133    300   Close  Open   Close
 */
#define CFG_SBC_MODCK_H 0x05

/* Define this if you want to boot from 0x00000100. If you don't define
 * this, you will need to program the bootloader to 0xfff00000, and
 * get the hardware reset config words at 0xfe000000. The simplest
 * way to do that is to program the bootloader at both addresses.
 * It is suggested that you just let U-Boot live at 0x00000000.
 */
#define CFG_SBC_BOOT_LOW 1

/* What should the base address of the main FLASH be and how big is
 * it (in MBytes)? This must contain TEXT_BASE from board/sbc8260/config.mk
 * The main FLASH is whichever is connected to *CS0. U-Boot expects
 * this to be the SIMM.
 */
#define CFG_FLASH0_BASE 0x40000000
#define CFG_FLASH0_SIZE 4

/* What should the base address of the secondary FLASH be and how big
 * is it (in Mbytes)? The secondary FLASH is whichever is connected
 * to *CS6. U-Boot expects this to be the on board FLASH. If you don't
 * want it enabled, don't define these constants.
 */
#define CFG_FLASH1_BASE 0x60000000
#define CFG_FLASH1_SIZE 2

/* What should be the base address of SDRAM DIMM and how big is
 * it (in Mbytes)?
*/
#define CFG_SDRAM0_BASE 0x00000000
#define CFG_SDRAM0_SIZE 64

/* What should be the base address of the LEDs and switch S0?
 * If you don't want them enabled, don't define this.
 */
#define CFG_LED_BASE 0xa0000000


/*
 * SBC8260 with 16 MB DIMM:
 *
 *     0x0000 0000     Exception Vector code, 8k
 *	     :
 *     0x0000 1FFF
 *     0x0000 2000     Free for Application Use
 *	     :
 *	     :
 *
 *	     :
 *	     :
 *     0x00F5 FF30     Monitor Stack (Growing downward)
 *		       Monitor Stack Buffer (0x80)
 *     0x00F5 FFB0     Board Info Data
 *     0x00F6 0000     Malloc Arena
 *	     :		    CFG_ENV_SECT_SIZE, 256k
 *	     :		    CFG_MALLOC_LEN,    128k
 *     0x00FC 0000     RAM Copy of Monitor Code
 *	     :		    CFG_MONITOR_LEN,   256k
 *     0x00FF FFFF     [End of RAM], CFG_SDRAM_SIZE - 1
 */

/*
 * SBC8260 with 64 MB DIMM:
 *
 *     0x0000 0000     Exception Vector code, 8k
 *	     :
 *     0x0000 1FFF
 *     0x0000 2000     Free for Application Use
 *	     :
 *	     :
 *
 *	     :
 *	     :
 *     0x03F5 FF30     Monitor Stack (Growing downward)
 *		       Monitor Stack Buffer (0x80)
 *     0x03F5 FFB0     Board Info Data
 *     0x03F6 0000     Malloc Arena
 *	     :		    CFG_ENV_SECT_SIZE, 256k
 *	     :		    CFG_MALLOC_LEN,    128k
 *     0x03FC 0000     RAM Copy of Monitor Code
 *	     :		    CFG_MONITOR_LEN,   256k
 *     0x03FF FFFF     [End of RAM], CFG_SDRAM_SIZE - 1
 */


/*
 * select serial console configuration
 *
 * if either CONFIG_CONS_ON_SMC or CONFIG_CONS_ON_SCC is selected, then
 * CONFIG_CONS_INDEX must be set to the channel number (1-2 for SMC, 1-4
 * for SCC).
 *
 * if CONFIG_CONS_NONE is defined, then the serial console routines must
 * defined elsewhere.
 */
#define CONFIG_CONS_ON_SMC	1	/* define if console on SMC */
#undef	CONFIG_CONS_ON_SCC		/* define if console on SCC */
#undef	CONFIG_CONS_NONE		/* define if console on neither */
#define CONFIG_CONS_INDEX	1	/* which SMC/SCC channel for console */

/*
 * select ethernet configuration
 *
 * if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then
 * CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3
 * for FCC)
 *
 * if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be
 * defined elsewhere (as for the console), or CFG_CMD_NET must be removed
 * from CONFIG_COMMANDS to remove support for networking.
 */

#undef	CONFIG_ETHER_ON_SCC
#define CONFIG_ETHER_ON_FCC
#undef	CONFIG_ETHER_NONE		/* define if ethernet on neither */

#ifdef	CONFIG_ETHER_ON_SCC
#define CONFIG_ETHER_INDEX	1	/* which SCC/FCC channel for ethernet */
#endif	/* CONFIG_ETHER_ON_SCC */

#ifdef	CONFIG_ETHER_ON_FCC
#define CONFIG_ETHER_INDEX	2	/* which SCC/FCC channel for ethernet */
#undef	CONFIG_ETHER_LOOPBACK_TEST	/* Ethernet external loopback test */
#define CONFIG_MII			/* MII PHY management		*/
#define CONFIG_BITBANGMII		/* bit-bang MII PHY management	*/
/*
 * Port pins used for bit-banged MII communictions (if applicable).
 */
#define MDIO_PORT	2	/* Port C */
#define MDIO_ACTIVE	(iop->pdir |=  0x00400000)
#define MDIO_TRISTATE	(iop->pdir &= ~0x00400000)
#define MDIO_READ	((iop->pdat &  0x00400000) != 0)

#define MDIO(bit)	if(bit) iop->pdat |=  0x00400000; \
			else	iop->pdat &= ~0x00400000

#define MDC(bit)	if(bit) iop->pdat |=  0x00200000; \
			else	iop->pdat &= ~0x00200000

#define MIIDELAY	udelay(1)
#endif	/* CONFIG_ETHER_ON_FCC */

#if defined(CONFIG_ETHER_ON_SCC) && (CONFIG_ETHER_INDEX == 1)

/*
 *  - RX clk is CLK11
 *  - TX clk is CLK12
 */
# define CFG_CMXSCR_VALUE	(CMXSCR_RS1CS_CLK11  | CMXSCR_TS1CS_CLK12)

#elif defined(CONFIG_ETHER_ON_FCC) && (CONFIG_ETHER_INDEX == 2)

/*
 * - Rx-CLK is CLK13
 * - Tx-CLK is CLK14
 * - Select bus for bd/buffers (see 28-13)
 * - Enable Full Duplex in FSMR
 */
# define CFG_CMXFCR_MASK	(CMXFCR_FC2|CMXFCR_RF2CS_MSK|CMXFCR_TF2CS_MSK)
# define CFG_CMXFCR_VALUE	(CMXFCR_RF2CS_CLK13|CMXFCR_TF2CS_CLK14)
# define CFG_CPMFCR_RAMTYPE	0
# define CFG_FCC_PSMR		(FCC_PSMR_FDE | FCC_PSMR_LPB)

#endif /* CONFIG_ETHER_ON_FCC, CONFIG_ETHER_INDEX */

/*
 * Select SPI support configuration
 */
#undef  CONFIG_SPI			/* Disable SPI driver */

/*
 * Select i2c support configuration
 *
 * Supported configurations are {none, software, hardware} drivers.
 * If the software driver is chosen, there are some additional
 * configuration items that the driver uses to drive the port pins.
 */
#undef  CONFIG_HARD_I2C			/* I2C with hardware support	*/
#define CONFIG_SOFT_I2C		1	/* I2C bit-banged		*/
#define CFG_I2C_SPEED		400000	/* I2C speed and slave address	*/
#define CFG_I2C_SLAVE		0x7F

/*
 * Software (bit-bang) I2C driver configuration
 */
#ifdef CONFIG_SOFT_I2C
#define I2C_PORT	3		/* Port A=0, B=1, C=2, D=3 */
#define I2C_ACTIVE	(iop->pdir |=  0x00010000)
#define I2C_TRISTATE	(iop->pdir &= ~0x00010000)
#define I2C_READ	((iop->pdat & 0x00010000) != 0)
#define I2C_SDA(bit)	if(bit) iop->pdat |=  0x00010000; \
			else    iop->pdat &= ~0x00010000
#define I2C_SCL(bit)	if(bit) iop->pdat |=  0x00020000; \
			else    iop->pdat &= ~0x00020000
#define I2C_DELAY	udelay(5)	/* 1/4 I2C clock duration */
#endif /* CONFIG_SOFT_I2C */


/* Define this to reserve an entire FLASH sector (256 KB) for
 * environment variables. Otherwise, the environment will be
 * put in the same sector as U-Boot, and changing variables
 * will erase U-Boot temporarily
 */
#define CFG_ENV_IN_OWN_SECT	1

/* Define to allow the user to overwrite serial and ethaddr */
#define CONFIG_ENV_OVERWRITE

/* What should the console's baud rate be? */
#define CONFIG_BAUDRATE		9600

/* Ethernet MAC address
 *     Note: We are using the EST Corporation OUI (00:a0:1e:xx:xx:xx)
 *           http://standards.ieee.org/regauth/oui/index.shtml
 */
#define CONFIG_ETHADDR		00:a0:1e:a8:7b:cb

/*
 * Define this to set the last octet of the ethernet address from the
 * DS0-DS7 switch and light the LEDs with the result. The DS0-DS7
 * switch and the LEDs are backwards with respect to each other. DS7
 * is on the board edge side of both the LED strip and the DS0-DS7
 * switch.
 */
#undef	CONFIG_MISC_INIT_R

/* Set to a positive value to delay for running BOOTCOMMAND */
#define CONFIG_BOOTDELAY	5	/* autoboot after 5 seconds */

/* Be selective on what keys can delay or stop the autoboot process
 *     To stop	use: " "
 */
#undef CONFIG_AUTOBOOT_KEYED
#ifdef CONFIG_AUTOBOOT_KEYED
#   define CONFIG_AUTOBOOT_PROMPT	"Autobooting in %d seconds, press \" \" to stop\n"
#   define CONFIG_AUTOBOOT_STOP_STR	" "
#   undef  CONFIG_AUTOBOOT_DELAY_STR
#   define DEBUG_BOOTKEYS		0
#endif

/* Define this to contain any number of null terminated strings that
 * will be part of the default enviroment compiled into the boot image.
 *
 * Variable		Usage
 * --------------       -------------------------------------------------------
 * serverip		server IP address
 * ipaddr		my IP address
 * reprog		Reload flash with a new copy of U-Boot
 * zapenv		Erase the environment area in flash
 * root-on-initrd       Set the bootcmd variable to allow booting of an initial
 *                      ram disk.
 * root-on-nfs          Set the bootcmd variable to allow booting of a NFS
 *                      mounted root filesystem.
 * boot-hook            Convenient stub to do something useful before the
 *                      bootm command is executed.
 *
 * Example usage of root-on-initrd and root-on-nfs :
 *
 * Note: The lines have been wrapped to improved its readability.
 *
 * => printenv bootcmd
 * bootcmd=version;echo;bootp;setenv bootargs root=/dev/nfs rw
 * nfsroot=$(serverip):$(rootpath)
 * ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off;run boot-hook;bootm
 *
 * => run root-on-initrd
 * => printenv bootcmd
 * bootcmd=version;echo;bootp;setenv bootargs root=/dev/ram0 rw
 * ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off;run boot-hook;bootm
 *
 * => run root-on-nfs
 * => printenv bootcmd
 * bootcmd=version;echo;bootp;setenv bootargs root=/dev/nfs rw
 * nfsroot=$(serverip):$(rootpath)
 * ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off;run boot-hook;bootm
 *
 */
#define CONFIG_EXTRA_ENV_SETTINGS \
	"serverip=192.168.123.205\0" \
	"ipaddr=192.168.123.213\0" \
	"reprog="\
		"bootp;" \
		"tftpboot 0x140000 /bdi2000/u-boot.bin;" \
		"protect off 1:0;" \
		"erase 1:0;" \
		"cp.b 140000 40000000 $(filesize);" \
		"protect on 1:0\0" \
	"zapenv="\
		"protect off 1:1;" \
		"erase 1:1;" \
		"protect on 1:1\0" \
	"root-on-initrd="\
		"setenv bootcmd "\
		"version;" \
		"echo;" \
		"bootp;" \
		"setenv bootargs root=/dev/ram0 rw " \
		"ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off;" \
		"run boot-hook;" \
		"bootm\0" \
	"root-on-nfs="\
		"setenv bootcmd "\
		"version;" \
		"echo;" \
		"bootp;" \
		"setenv bootargs root=/dev/nfs rw " \
		"nfsroot=$(serverip):$(rootpath) " \
		"ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off;" \
		"run boot-hook;" \
		"bootm\0" \
	"boot-hook=echo\0"

/* Define a command string that is automatically executed when no character
 * is read on the console interface withing "Boot Delay" after reset.
 */
#undef	CONFIG_BOOT_ROOT_INITRD 	/* Use ram disk for the root file system */
#define	CONFIG_BOOT_ROOT_NFS		/* Use a NFS mounted root file system */

#ifdef CONFIG_BOOT_ROOT_INITRD
#define CONFIG_BOOTCOMMAND \
	"version;" \
	"echo;" \
	"bootp;" \
	"setenv bootargs root=/dev/ram0 rw " \
	"ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off;" \
	"bootm"
#endif /* CONFIG_BOOT_ROOT_INITRD */

#ifdef CONFIG_BOOT_ROOT_NFS
#define CONFIG_BOOTCOMMAND \
	"version;" \
	"echo;" \
	"bootp;" \
	"setenv bootargs root=/dev/nfs rw nfsroot=$(serverip):$(rootpath) " \
	"ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off;" \
	"bootm"
#endif /* CONFIG_BOOT_ROOT_NFS */

/* Add support for a few extra bootp options like:
 *	- File size
 *	- DNS (up to 2 servers)
 *	- Send hostname to DHCP server
 */
#define CONFIG_BOOTP_MASK	(CONFIG_BOOTP_DEFAULT | \
				 CONFIG_BOOTP_BOOTFILESIZE | \
				 CONFIG_BOOTP_DNS  | \
				 CONFIG_BOOTP_DNS2 | \
				 CONFIG_BOOTP_SEND_HOSTNAME)

/* undef this to save memory */
#define CFG_LONGHELP

/* Monitor Command Prompt */
#define CFG_PROMPT		"=> "

#undef  CFG_HUSH_PARSER
#ifdef  CFG_HUSH_PARSER
#define CFG_PROMPT_HUSH_PS2	"> "
#endif

/* When CONFIG_TIMESTAMP is selected, the timestamp (date and time)
 * of an image is printed by image commands like bootm or iminfo.
 */
#define CONFIG_TIMESTAMP

/* If this variable is defined, an environment variable named "ver"
 * is created by U-Boot showing the U-Boot version.
 */
#define CONFIG_VERSION_VARIABLE

/* What U-Boot subsytems do you want enabled? */
#ifdef CONFIG_ETHER_ON_FCC
# define CONFIG_COMMANDS	(((CONFIG_CMD_DFL & ~(CFG_CMD_KGDB))) | \
				CFG_CMD_ASKENV	| \
				CFG_CMD_ECHO	| \
				CFG_CMD_ELF	| \
				CFG_CMD_I2C	| \
				CFG_CMD_IMMAP	| \
				CFG_CMD_MII	| \
				CFG_CMD_PING	| \
				CFG_CMD_REGINFO | \
				CFG_CMD_SDRAM   )
#else
# define CONFIG_COMMANDS	(((CONFIG_CMD_DFL & ~(CFG_CMD_KGDB))) | \
				CFG_CMD_ASKENV	| \
				CFG_CMD_ECHO	| \
				CFG_CMD_ELF	| \
				CFG_CMD_I2C	| \
				CFG_CMD_IMMAP	| \
				CFG_CMD_PING	| \
				CFG_CMD_REGINFO | \
				CFG_CMD_SDRAM   )
#endif /* CONFIG_ETHER_ON_FCC */

#undef CONFIG_WATCHDOG				/* disable the watchdog */

/* Where do the internal registers live? */
#define CFG_IMMR		0xF0000000

/*****************************************************************************
 *
 * You should not have to modify any of the following settings
 *
 *****************************************************************************/

#define CONFIG_MPC8260		1	/* This is an MPC8260 CPU   */
#define CONFIG_SBC8260		1	/* on an EST SBC8260 Board  */

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

/*
 * Miscellaneous configurable options
 */
#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

/* Print Buffer Size */
#define CFG_PBSIZE	  (CFG_CBSIZE + sizeof(CFG_PROMPT)+16)

#define CFG_MAXARGS		32	/* max number of command args	*/

#define CFG_BARGSIZE		CFG_CBSIZE /* Boot Argument Buffer Size	   */

#define CFG_LOAD_ADDR		0x400000   /* default load address */
#define CFG_HZ			1000	/* decrementer freq: 1 ms ticks */

#define CFG_ALT_MEMTEST			/* Select full-featured memory test */
#define CFG_MEMTEST_START	0x2000	/* memtest works from the end of */
					/* the exception vector table */
					/* to the end of the DRAM  */
					/* less monitor and malloc area */
#define CFG_STACK_USAGE		0x10000 /* Reserve 64k for the stack usage */
#define CFG_MEM_END_USAGE	( CFG_MONITOR_LEN \
				+ CFG_MALLOC_LEN \
				+ CFG_ENV_SECT_SIZE \
				+ CFG_STACK_USAGE )

#define CFG_MEMTEST_END		( CFG_SDRAM_SIZE * 1024 * 1024 \
				- CFG_MEM_END_USAGE )

/* valid baudrates */
#define CFG_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }

/*
 * Low Level Configuration Settings
 * (address mappings, register initial values, etc.)
 * You should know what you are doing if you make changes here.
 */

#define CFG_FLASH_BASE	CFG_FLASH0_BASE
#define CFG_FLASH_SIZE	CFG_FLASH0_SIZE
#define CFG_SDRAM_BASE	CFG_SDRAM0_BASE
#define CFG_SDRAM_SIZE	CFG_SDRAM0_SIZE

/*-----------------------------------------------------------------------
 * Hard Reset Configuration Words
 */
#if defined(CFG_SBC_BOOT_LOW)
#  define  CFG_SBC_HRCW_BOOT_FLAGS  (HRCW_CIP | HRCW_BMS)
#else
#  define  CFG_SBC_HRCW_BOOT_FLAGS  (0)
#endif /* defined(CFG_SBC_BOOT_LOW) */

/* get the HRCW ISB field from CFG_IMMR */
#define CFG_SBC_HRCW_IMMR	( ((CFG_IMMR & 0x10000000) >> 10) | \
				  ((CFG_IMMR & 0x01000000) >>  7) | \
				  ((CFG_IMMR & 0x00100000) >>  4) )

#define CFG_HRCW_MASTER		( HRCW_BPS11				| \
				  HRCW_DPPC11				| \
				  CFG_SBC_HRCW_IMMR			| \
				  HRCW_MMR00				| \
				  HRCW_LBPC11				| \
				  HRCW_APPC10				| \
				  HRCW_CS10PC00				| \
				  (CFG_SBC_MODCK_H & HRCW_MODCK_H1111)	| \
				  CFG_SBC_HRCW_BOOT_FLAGS )

/* no slaves */
#define CFG_HRCW_SLAVE1		0
#define CFG_HRCW_SLAVE2		0
#define CFG_HRCW_SLAVE3		0
#define CFG_HRCW_SLAVE4		0
#define CFG_HRCW_SLAVE5		0
#define CFG_HRCW_SLAVE6		0
#define CFG_HRCW_SLAVE7		0

/*-----------------------------------------------------------------------
 * Definitions for initial stack pointer and data area (in DPRAM)
 */
#define CFG_INIT_RAM_ADDR	CFG_IMMR
#define CFG_INIT_RAM_END	0x4000	/* End of used area in DPRAM	*/
#define CFG_GBL_DATA_SIZE	128	/* 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

/*-----------------------------------------------------------------------
 * Start addresses for the final memory configuration
 * (Set up by the startup code)
 * Please note that CFG_SDRAM_BASE _must_ start at 0
 * Note also that the logic that sets CFG_RAMBOOT is platform dependent.
 */
#define CFG_MONITOR_BASE	CFG_FLASH0_BASE

#if (CFG_MONITOR_BASE < CFG_FLASH_BASE)
#  define CFG_RAMBOOT
#endif

#define CFG_MONITOR_LEN		(256 << 10)	/* Reserve 256 kB for Monitor	*/
#define CFG_MALLOC_LEN		(128 << 10)	/* 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 and environment organization
 */
#define CFG_MAX_FLASH_BANKS	1	/* max number of memory banks		*/
#define CFG_MAX_FLASH_SECT	16	/* max number of sectors on one chip	*/

#define CFG_FLASH_ERASE_TOUT	8000	/* Timeout for Flash Erase (in ms)	*/
#define CFG_FLASH_WRITE_TOUT	1	/* Timeout for Flash Write (in ms)	*/

#ifndef CFG_RAMBOOT
#  define CFG_ENV_IS_IN_FLASH	1

#  ifdef CFG_ENV_IN_OWN_SECT
#    define CFG_ENV_ADDR	(CFG_MONITOR_BASE + 0x40000)
#    define CFG_ENV_SECT_SIZE	0x40000
#  else
#    define CFG_ENV_ADDR (CFG_FLASH_BASE + CFG_MONITOR_LEN - CFG_ENV_SECT_SIZE)
#    define CFG_ENV_SIZE	0x1000	/* Total Size of Environment Sector	*/
#    define CFG_ENV_SECT_SIZE	0x10000 /* see README - env sect real size	*/
#  endif /* CFG_ENV_IN_OWN_SECT */

#else
#  define CFG_ENV_IS_IN_NVRAM	1
#  define CFG_ENV_ADDR		(CFG_MONITOR_BASE - 0x1000)
#  define CFG_ENV_SIZE		0x200
#endif /* CFG_RAMBOOT */

/*-----------------------------------------------------------------------
 * Cache Configuration
 */
#define CFG_CACHELINE_SIZE	32	/* For MPC8260 CPU */

#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
# define CFG_CACHELINE_SHIFT	5	/* log base 2 of the above value */
#endif

/*-----------------------------------------------------------------------
 * HIDx - Hardware Implementation-dependent Registers			 2-11
 *-----------------------------------------------------------------------
 * HID0 also contains cache control - initially enable both caches and
 * invalidate contents, then the final state leaves only the instruction
 * cache enabled. Note that Power-On and Hard reset invalidate the caches,
 * but Soft reset does not.
 *
 * HID1 has only read-only information - nothing to set.
 */
#define CFG_HID0_INIT	(HID0_ICE  |\
			 HID0_DCE  |\
			 HID0_ICFI |\
			 HID0_DCI  |\
			 HID0_IFEM |\
			 HID0_ABE)

#define CFG_HID0_FINAL	(HID0_ICE  |\
			 HID0_IFEM |\
			 HID0_ABE  |\
			 HID0_EMCP)
#define CFG_HID2	0

/*-----------------------------------------------------------------------
 * RMR - Reset Mode Register
 *-----------------------------------------------------------------------
 */
#define CFG_RMR		0

/*-----------------------------------------------------------------------
 * BCR - Bus Configuration					 4-25
 *-----------------------------------------------------------------------
 */
#define CFG_BCR		(BCR_ETM)

/*-----------------------------------------------------------------------
 * SIUMCR - SIU Module Configuration				 4-31
 *-----------------------------------------------------------------------
 */

#define CFG_SIUMCR	(SIUMCR_DPPC11	|\
			 SIUMCR_L2CPC00 |\
			 SIUMCR_APPC10	|\
			 SIUMCR_MMR00)


/*-----------------------------------------------------------------------
 * SYPCR - System Protection Control				11-9
 * SYPCR can only be written once after reset!
 *-----------------------------------------------------------------------
 * Watchdog & Bus Monitor Timer max, 60x Bus Monitor enable
 */
#if defined(CONFIG_WATCHDOG)
#define CFG_SYPCR	(SYPCR_SWTC |\
			 SYPCR_BMT  |\
			 SYPCR_PBME |\
			 SYPCR_LBME |\
			 SYPCR_SWRI |\
			 SYPCR_SWP  |\
			 SYPCR_SWE)
#else
#define CFG_SYPCR	(SYPCR_SWTC |\
			 SYPCR_BMT  |\
			 SYPCR_PBME |\
			 SYPCR_LBME |\
			 SYPCR_SWRI |\
			 SYPCR_SWP)
#endif	/* CONFIG_WATCHDOG */

/*-----------------------------------------------------------------------
 * TMCNTSC - Time Counter Status and Control			 4-40
 *-----------------------------------------------------------------------
 * Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk,
 * and enable Time Counter
 */
#define CFG_TMCNTSC	(TMCNTSC_SEC |\
			 TMCNTSC_ALR |\
			 TMCNTSC_TCF |\
			 TMCNTSC_TCE)

/*-----------------------------------------------------------------------
 * PISCR - Periodic Interrupt Status and Control		 4-42
 *-----------------------------------------------------------------------
 * Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable
 * Periodic timer
 */
#define CFG_PISCR	(PISCR_PS  |\
			 PISCR_PTF |\
			 PISCR_PTE)

/*-----------------------------------------------------------------------
 * SCCR - System Clock Control					 9-8
 *-----------------------------------------------------------------------
 */
#define CFG_SCCR	0

/*-----------------------------------------------------------------------
 * RCCR - RISC Controller Configuration				13-7
 *-----------------------------------------------------------------------
 */
#define CFG_RCCR	0

/*
 * Initialize Memory Controller:
 *
 * Bank Bus	Machine PortSz	Device
 * ---- ---	------- ------	------
 *  0	60x	GPCM	32 bit	FLASH (SIMM - 4MB) *
 *  1	60x	GPCM	32 bit	FLASH (SIMM - Unused)
 *  2	60x	SDRAM	64 bit	SDRAM (DIMM - 16MB or 64MB)
 *  3	60x	SDRAM	64 bit	SDRAM (DIMM - Unused)
 *  4	Local	SDRAM	32 bit	SDRAM (on board - 4MB)
 *  5	60x	GPCM	 8 bit	EEPROM (8KB)
 *  6	60x	GPCM	 8 bit	FLASH  (on board - 2MB) *
 *  7	60x	GPCM	 8 bit	LEDs, switches
 *
 *  (*) This configuration requires the SBC8260 be configured
 *	so that *CS0 goes to the FLASH SIMM, and *CS6 goes to
 *	the on board FLASH. In other words, JP24 should have
 *	pins 1 and 2 jumpered and pins 3 and 4 jumpered.
 *
 */

/*-----------------------------------------------------------------------
 * BR0,BR1 - Base Register
 *     Ref: Section 10.3.1 on page 10-14
 * OR0,OR1 - Option Register
 *     Ref: Section 10.3.2 on page 10-18
 *-----------------------------------------------------------------------
 */

/* Bank 0,1 - FLASH SIMM
 *
 * This expects the FLASH SIMM to be connected to *CS0
 * It consists of 4 AM29F080B parts.
 *
 * Note: For the 4 MB SIMM, *CS1 is unused.
 */

/* BR0 is configured as follows:
 *
 *     - Base address of 0x40000000
 *     - 32 bit port size
 *     - Data errors checking is disabled
 *     - Read and write access
 *     - GPCM 60x bus
 *     - Access are handled by the memory controller according to MSEL
 *     - Not used for atomic operations
 *     - No data pipelining is done
 *     - Valid
 */
#define CFG_BR0_PRELIM	((CFG_FLASH0_BASE & BRx_BA_MSK) |\
			 BRx_PS_32			|\
			 BRx_MS_GPCM_P			|\
			 BRx_V)

/* OR0 is configured as follows:
 *
 *     - 4 MB
 *     - *BCTL0 is asserted upon access to the current memory bank
 *     - *CW / *WE are negated a quarter of a clock earlier
 *     - *CS is output at the same time as the address lines
 *     - Uses a clock cycle length of 5
 *     - *PSDVAL is generated internally by the memory controller
 *	 unless *GTA is asserted earlier externally.
 *     - Relaxed timing is generated by the GPCM for accesses
 *	 initiated to this memory region.
 *     - One idle clock is inserted between a read access from the
 *	 current bank and the next access.
 */
#define CFG_OR0_PRELIM	(MEG_TO_AM(CFG_FLASH0_SIZE)	|\
			 ORxG_CSNT			|\
			 ORxG_ACS_DIV1			|\
			 ORxG_SCY_5_CLK			|\
			 ORxG_TRLX			|\
			 ORxG_EHTR)

/*-----------------------------------------------------------------------
 * BR2,BR3 - Base Register
 *     Ref: Section 10.3.1 on page 10-14
 * OR2,OR3 - Option Register
 *     Ref: Section 10.3.2 on page 10-16
 *-----------------------------------------------------------------------
 */

/* Bank 2,3 - SDRAM DIMM
 *
 *     16MB DIMM: P/N
 *     64MB DIMM: P/N  1W-8864X8-4-P1-EST
 *
 * Note: *CS3 is unused for this DIMM
 */

/* With a 16 MB or 64 MB DIMM, the BR2 is configured as follows:
 *
 *     - Base address of 0x00000000
 *     - 64 bit port size (60x bus only)
 *     - Data errors checking is disabled
 *     - Read and write access
 *     - SDRAM 60x bus
 *     - Access are handled by the memory controller according to MSEL
 *     - Not used for atomic operations
 *     - No data pipelining is done
 *     - Valid
 */
#define CFG_BR2_PRELIM	((CFG_SDRAM0_BASE & BRx_BA_MSK) |\
			 BRx_PS_64			|\
			 BRx_MS_SDRAM_P			|\
			 BRx_V)

#define CFG_BR3_PRELIM	((CFG_SDRAM0_BASE & BRx_BA_MSK) |\
			 BRx_PS_64			|\
			 BRx_MS_SDRAM_P			|\
			 BRx_V)

/* With a 16 MB DIMM, the OR2 is configured as follows:
 *
 *     - 16 MB
 *     - 2 internal banks per device
 *     - Row start address bit is A9 with PSDMR[PBI] = 0
 *     - 11 row address lines
 *     - Back-to-back page mode
 *     - Internal bank interleaving within save device enabled
 */
#if (CFG_SDRAM0_SIZE == 16)
#define CFG_OR2_PRELIM	(MEG_TO_AM(CFG_SDRAM0_SIZE)	|\
			 ORxS_BPD_2			|\
			 ORxS_ROWST_PBI0_A9		|\
			 ORxS_NUMR_11)
#endif

/* With a 64 MB DIMM, the OR2 is configured as follows:
 *
 *     - 64 MB
 *     - 4 internal banks per device
 *     - Row start address bit is A8 with PSDMR[PBI] = 0
 *     - 12 row address lines
 *     - Back-to-back page mode
 *     - Internal bank interleaving within save device enabled
 */
#if (CFG_SDRAM0_SIZE == 64)
#define CFG_OR2_PRELIM	(MEG_TO_AM(CFG_SDRAM0_SIZE)	|\
			 ORxS_BPD_4			|\
			 ORxS_ROWST_PBI0_A8		|\
			 ORxS_NUMR_12)
#endif

/*-----------------------------------------------------------------------
 * PSDMR - 60x Bus SDRAM Mode Register
 *     Ref: Section 10.3.3 on page 10-21
 *-----------------------------------------------------------------------
 */

/* Address that the DIMM SPD memory lives at.
 */
#define SDRAM_SPD_ADDR 0x54

#if (CFG_SDRAM0_SIZE == 16)
/* With a 16 MB DIMM, the PSDMR is configured as follows:
 *
 *     - Bank Based Interleaving,
 *     - Refresh Enable,
 *     - Address Multiplexing where A5 is output on A14 pin
 *	 (A6 on A15, and so on),
 *     - use address pins A16-A18 as bank select,
 *     - A9 is output on SDA10 during an ACTIVATE command,
 *     - earliest timing for ACTIVATE command after REFRESH command is 7 clocks,
 *     - earliest timing for ACTIVATE or REFRESH command after PRECHARGE command
 *	 is 3 clocks,
 *     - earliest timing for READ/WRITE command after ACTIVATE command is
 *	 2 clocks,
 *     - earliest timing for PRECHARGE after last data was read is 1 clock,
 *     - earliest timing for PRECHARGE after last data was written is 1 clock,
 *     - CAS Latency is 2.
 */
#define CFG_PSDMR	(PSDMR_RFEN	      |\
			 PSDMR_SDAM_A14_IS_A5 |\
			 PSDMR_BSMA_A16_A18   |\
			 PSDMR_SDA10_PBI0_A9  |\
			 PSDMR_RFRC_7_CLK     |\
			 PSDMR_PRETOACT_3W    |\
			 PSDMR_ACTTORW_2W     |\
			 PSDMR_LDOTOPRE_1C    |\
			 PSDMR_WRC_1C	      |\
			 PSDMR_CL_2)
#endif

#if (CFG_SDRAM0_SIZE == 64)
/* With a 64 MB DIMM, the PSDMR is configured as follows:
 *
 *     - Bank Based Interleaving,
 *     - Refresh Enable,
 *     - Address Multiplexing where A5 is output on A14 pin
 *	 (A6 on A15, and so on),
 *     - use address pins A14-A16 as bank select,
 *     - A9 is output on SDA10 during an ACTIVATE command,
 *     - earliest timing for ACTIVATE command after REFRESH command is 7 clocks,
 *     - earliest timing for ACTIVATE or REFRESH command after PRECHARGE command
 *	 is 3 clocks,
 *     - earliest timing for READ/WRITE command after ACTIVATE command is
 *	 2 clocks,
 *     - earliest timing for PRECHARGE after last data was read is 1 clock,
 *     - earliest timing for PRECHARGE after last data was written is 1 clock,
 *     - CAS Latency is 2.
 */
#define CFG_PSDMR	(PSDMR_RFEN	      |\
			 PSDMR_SDAM_A14_IS_A5 |\
			 PSDMR_BSMA_A14_A16   |\
			 PSDMR_SDA10_PBI0_A9  |\
			 PSDMR_RFRC_7_CLK     |\
			 PSDMR_PRETOACT_3W    |\
			 PSDMR_ACTTORW_2W     |\
			 PSDMR_LDOTOPRE_1C    |\
			 PSDMR_WRC_1C	      |\
			 PSDMR_CL_2)
#endif

/*
 * Shoot for approximately 1MHz on the prescaler.
 */
#if (CONFIG_8260_CLKIN == (66 * 1000 * 1000))
#define CFG_MPTPR	MPTPR_PTP_DIV64
#elif (CONFIG_8260_CLKIN == (33 * 1000 * 1000))
#define CFG_MPTPR	MPTPR_PTP_DIV32
#else
#warning "Unconfigured bus clock freq: check CFG_MPTPR and CFG_PSRT are OK"
#define CFG_MPTPR	MPTPR_PTP_DIV32
#endif
#define CFG_PSRT	14


/* Bank 4 - On board SDRAM
 *
 * This is not implemented yet.
 */

/*-----------------------------------------------------------------------
 * BR6 - Base Register
 *     Ref: Section 10.3.1 on page 10-14
 * OR6 - Option Register
 *     Ref: Section 10.3.2 on page 10-18
 *-----------------------------------------------------------------------
 */

/* Bank 6 - On board FLASH
 *
 * This expects the on board FLASH SIMM to be connected to *CS6
 * It consists of 1 AM29F016A part.
 */
#if (defined(CFG_FLASH1_BASE) && defined(CFG_FLASH1_SIZE))

/* BR6 is configured as follows:
 *
 *     - Base address of 0x60000000
 *     - 8 bit port size
 *     - Data errors checking is disabled
 *     - Read and write access
 *     - GPCM 60x bus
 *     - Access are handled by the memory controller according to MSEL
 *     - Not used for atomic operations
 *     - No data pipelining is done
 *     - Valid
 */
#  define CFG_BR6_PRELIM  ((CFG_FLASH1_BASE & BRx_BA_MSK) |\
			   BRx_PS_8			  |\
			   BRx_MS_GPCM_P		  |\
			   BRx_V)

/* OR6 is configured as follows:
 *
 *     - 2 MB
 *     - *BCTL0 is asserted upon access to the current memory bank
 *     - *CW / *WE are negated a quarter of a clock earlier
 *     - *CS is output at the same time as the address lines
 *     - Uses a clock cycle length of 5
 *     - *PSDVAL is generated internally by the memory controller
 *	 unless *GTA is asserted earlier externally.
 *     - Relaxed timing is generated by the GPCM for accesses
 *	 initiated to this memory region.
 *     - One idle clock is inserted between a read access from the
 *	 current bank and the next access.
 */
#  define CFG_OR6_PRELIM  (MEG_TO_AM(CFG_FLASH1_SIZE)  |\
			   ORxG_CSNT		       |\
			   ORxG_ACS_DIV1	       |\
			   ORxG_SCY_5_CLK	       |\
			   ORxG_TRLX		       |\
			   ORxG_EHTR)
#endif /* (defined(CFG_FLASH1_BASE) && defined(CFG_FLASH1_SIZE)) */

/*-----------------------------------------------------------------------
 * BR7 - Base Register
 *     Ref: Section 10.3.1 on page 10-14
 * OR7 - Option Register
 *     Ref: Section 10.3.2 on page 10-18
 *-----------------------------------------------------------------------
 */

/* Bank 7 - LEDs and switches
 *
 *  LEDs     are at 0x00001 (write only)
 *  switches are at 0x00001 (read only)
 */
#ifdef CFG_LED_BASE

/* BR7 is configured as follows:
 *
 *     - Base address of 0xA0000000
 *     - 8 bit port size
 *     - Data errors checking is disabled
 *     - Read and write access
 *     - GPCM 60x bus
 *     - Access are handled by the memory controller according to MSEL
 *     - Not used for atomic operations
 *     - No data pipelining is done
 *     - Valid
 */
#  define CFG_BR7_PRELIM  ((CFG_LED_BASE & BRx_BA_MSK)	 |\
			   BRx_PS_8			 |\
			   BRx_MS_GPCM_P		 |\
			   BRx_V)

/* OR7 is configured as follows:
 *
 *     - 1 byte
 *     - *BCTL0 is asserted upon access to the current memory bank
 *     - *CW / *WE are negated a quarter of a clock earlier
 *     - *CS is output at the same time as the address lines
 *     - Uses a clock cycle length of 15
 *     - *PSDVAL is generated internally by the memory controller
 *	 unless *GTA is asserted earlier externally.
 *     - Relaxed timing is generated by the GPCM for accesses
 *	 initiated to this memory region.
 *     - One idle clock is inserted between a read access from the
 *	 current bank and the next access.
 */
#  define CFG_OR7_PRELIM  (ORxG_AM_MSK		       |\
			   ORxG_CSNT		       |\
			   ORxG_ACS_DIV1	       |\
			   ORxG_SCY_15_CLK	       |\
			   ORxG_TRLX		       |\
			   ORxG_EHTR)
#endif /* CFG_LED_BASE */

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

#endif	/* __CONFIG_H */