/*
 * (C) Copyright 2000
 * 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_MPC860		1	/* This is a MPC860 CPU		*/
#define CONFIG_IP860		1	/* ...on a IP860 board		*/

#define	CONFIG_8xx_CONS_SMC1	1	/* Console is on SMC1		*/
#define CONFIG_BAUDRATE		19200
#if 0
#define CONFIG_BOOTDELAY	-1	/* autoboot disabled		*/
#else
#define CONFIG_BOOTDELAY	5	/* autoboot after 5 seconds	*/
#endif

#define	CONFIG_CLOCKS_IN_MHZ	1	/* clocks passsed to Linux in MHz */

#define CONFIG_PREBOOT	"echo;echo Type \"run flash_nfs\" to mount root filesystem over NFS;echo"

#undef	CONFIG_BOOTARGS
#define CONFIG_BOOTCOMMAND							\
	"bootp; "								\
	"setenv bootargs root=/dev/nfs rw nfsroot=$(serverip):$(rootpath) "	\
	"ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off; "	\
	"bootm"

#define CONFIG_LOADS_ECHO	1	/* echo on for serial download	*/
#undef	CFG_LOADS_BAUD_CHANGE		/* don't allow baudrate change	*/

#undef	CONFIG_WATCHDOG			/* watchdog disabled		*/

#define	CONFIG_SOFT_I2C			/* Software I2C support enabled	*/
# define CFG_I2C_SPEED		50000
# define CFG_I2C_SLAVE		0xFE
# define CFG_I2C_EEPROM_ADDR	0x50	/* EEPROM X24C16		*/
# define CFG_EEPROM_PAGE_WRITE_BITS 4	/* The Xicor X24C16 has 16 byte */
					/* page write mode using last	*/
					/* 4 bits of the address	*/

#define CONFIG_COMMANDS		(CONFIG_CMD_DFL | CFG_CMD_EEPROM)

#define CONFIG_BOOTP_MASK	CONFIG_BOOTP_DEFAULT

/*----------------------------------------------------------------------*/

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

/*----------------------------------------------------------------------*/

/*
 * 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	0x00100000	/* memtest works on	*/
#define CFG_MEMTEST_END		0x00F00000	/* 1 ... 15MB in DRAM	*/

#define	CFG_LOAD_ADDR		0x00100000	/* default load address	*/

#define	CFG_PIO_MODE		0	/* IDE interface in PIO Mode 0	*/

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

#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.
 */
/*-----------------------------------------------------------------------
 * Internal Memory Mapped Register
 */
#define CFG_IMMR		0xF1000000	/* Non-standard value!!	*/

/*-----------------------------------------------------------------------
 * Definitions for initial stack pointer and data area (in DPRAM)
 */
#define CFG_INIT_RAM_ADDR	CFG_IMMR
#define	CFG_INIT_RAM_END	0x2F00	/* End of used area in DPRAM	*/
#define	CFG_INIT_DATA_SIZE	64  /* size in bytes reserved for initial data */
#define CFG_INIT_DATA_OFFSET	(CFG_INIT_RAM_END - CFG_INIT_DATA_SIZE)
#define	CFG_INIT_SP_OFFSET	CFG_INIT_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
 */
#define	CFG_SDRAM_BASE		0x00000000
#define CFG_FLASH_BASE		0x10000000
#ifdef	DEBUG
#define	CFG_MONITOR_LEN		(512 << 10)	/* Reserve 512 kB for Monitor	*/
#else
#define	CFG_MONITOR_LEN		(128 << 10)	/* Reserve 128 kB for Monitor	*/
#endif
#define CFG_MONITOR_BASE	CFG_FLASH_BASE
#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 organization
 */
#define CFG_MAX_FLASH_BANKS	1	/* max number of memory banks		*/
#define CFG_MAX_FLASH_SECT	124	/* 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)	*/

#undef	CFG_ENV_IS_IN_FLASH
#undef	CFG_ENV_IS_IN_NVRAM
#define	CFG_ENV_IS_IN_EEPROM	1

#define CFG_ENV_OFFSET		0	/* Start right at beginning of NVRAM	*/
#define CFG_ENV_SIZE		1024	/* Use only a part of it - it's slow!	*/

/*-----------------------------------------------------------------------
 * EEPROM Configuration
 */
#define	CFG_EEPROM_ADDR		0xA0

/*-----------------------------------------------------------------------
 * Cache Configuration
 */
#define CFG_CACHELINE_SIZE	16	/* For all MPC8xx CPUs			*/
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
#define CFG_CACHELINE_SHIFT	4	/* log base 2 of the above value	*/
#endif

/*-----------------------------------------------------------------------
 * SYPCR - System Protection Control				11-9
 * SYPCR can only be written once after reset!
 *-----------------------------------------------------------------------
 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
 * +0x0004
 */
#if defined(CONFIG_WATCHDOG)
#define CFG_SYPCR	(SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
			 SYPCR_SWE  | SYPCR_SWRI| SYPCR_SWP)
#else
#define CFG_SYPCR	(SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
#endif

/*-----------------------------------------------------------------------
 * SIUMCR - SIU Module Configuration				11-6
 *-----------------------------------------------------------------------
 * +0x0000 => 0x80600800
 */
#define CFG_SIUMCR	(SIUMCR_EARB   | SIUMCR_EARP0 | \
			 SIUMCR_DBGC11 | SIUMCR_MLRC10)

/*-----------------------------------------------------------------------
 * Clock Setting - the IP860 has no 32kHz clock, so automatic detection fails
 *-----------------------------------------------------------------------
 */
#define	CONFIG_8xx_GCLK_FREQ	50000000

/*-----------------------------------------------------------------------
 * TBSCR - Time Base Status and Control				11-26
 *-----------------------------------------------------------------------
 * Clear Reference Interrupt Status, Timebase freezing enabled
 * +0x0200 => 0x00C2
 */
#define CFG_TBSCR	(TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)

/*-----------------------------------------------------------------------
 * PISCR - Periodic Interrupt Status and Control		11-31
 *-----------------------------------------------------------------------
 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
 * +0x0240 => 0x0082
 */
#define CFG_PISCR	(PISCR_PS | PISCR_PITF)

/*-----------------------------------------------------------------------
 * PLPRCR - PLL, Low-Power, and Reset Control Register		15-30
 *-----------------------------------------------------------------------
 * Reset PLL lock status sticky bit, timer expired status bit and timer
 * interrupt status bit, set PLL multiplication factor !
 */
/* +0x0286 => was: 0x0000D000 */
#define CFG_PLPRCR							\
		(	PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST |	\
			/*PLPRCR_CSRC|*/ PLPRCR_LPM_NORMAL |		\
			PLPRCR_CSR   | PLPRCR_LOLRE /*|PLPRCR_FIOPD*/	\
		)

/*-----------------------------------------------------------------------
 * SCCR - System Clock and reset Control Register		15-27
 *-----------------------------------------------------------------------
 * Set clock output, timebase and RTC source and divider,
 * power management and some other internal clocks
 */
#define SCCR_MASK	SCCR_EBDF11
#define CFG_SCCR	(SCCR_COM00	|   SCCR_TBS	  |	\
			 SCCR_RTDIV	|   SCCR_RTSEL	  |	\
			 /*SCCR_CRQEN|*/  /*SCCR_PRQEN|*/	\
			 SCCR_EBDF00	|   SCCR_DFSYNC00 |	\
			 SCCR_DFBRG00	|   SCCR_DFNL000  |	\
			 SCCR_DFNH000)

/*-----------------------------------------------------------------------
 * RTCSC - Real-Time Clock Status and Control Register		11-27
 *-----------------------------------------------------------------------
 */
/* +0x0220 => 0x00C3 */
#define CFG_RTCSC	(RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)


/*-----------------------------------------------------------------------
 * RCCR - RISC Controller Configuration Register		19-4
 *-----------------------------------------------------------------------
 */
/* +0x09C4 => TIMEP=1 */
#define CFG_RCCR 0x0100

/*-----------------------------------------------------------------------
 * RMDS - RISC Microcode Development Support Control Register
 *-----------------------------------------------------------------------
 */
#define CFG_RMDS 0

/*-----------------------------------------------------------------------
 * DER - Debug Event Register
 *-----------------------------------------------------------------------
 *
 */
/*#define	CFG_DER	0x2002000F*/
#define CFG_DER	0

/*
 * Init Memory Controller:
 */

/*
 * MAMR settings for SDRAM	- 16-14
 * => 0xC3804114
 */

/* periodic timer for refresh */
#define CFG_MAMR_PTA	0xC3

#define CFG_MAMR	((CFG_MAMR_PTA << MAMR_PTA_SHIFT)  | MAMR_PTAE	    |	\
			 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 |	\
			 MAMR_RLFA_1X	 | MAMR_WLFA_1X	   | MAMR_TLFA_4X)
/*
 * BR1 and OR1 (FLASH)
 */
#define FLASH_BASE		0x10000000	/* FLASH bank #0	*/

/* used to re-map FLASH
 * restrict access enough to keep SRAM working (if any)
 * but not too much to meddle with FLASH accesses
 */
/* allow for max 8 MB of Flash */
#define CFG_REMAP_OR_AM		0xFF800000	/* OR addr mask */
#define CFG_PRELIM_OR_AM	0xFF800000	/* OR addr mask */

#define CFG_OR_TIMING_FLASH	(OR_CSNT_SAM | OR_ACS_DIV2 | OR_BI | OR_SCY_6_CLK)

#define CFG_OR0_REMAP	(CFG_REMAP_OR_AM  | CFG_OR_TIMING_FLASH)
#define CFG_OR0_PRELIM	(CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
/* 16 bit, bank valid */
#define CFG_BR0_PRELIM	((FLASH_BASE & BR_BA_MSK) | BR_PS_32 | BR_V )

#define CFG_OR1_PRELIM	CFG_OR0_PRELIM
#define CFG_BR1_PRELIM	CFG_BR0_PRELIM

/*
 * BR2/OR2 - SDRAM
 */
#define SDRAM_BASE		0x00000000	/* SDRAM bank */
#define SDRAM_PRELIM_OR_AM	0xF8000000	/* map max. 128 MB */
#define SDRAM_TIMING		0x00000A00	/* SDRAM-Timing */

#define SDRAM_MAX_SIZE		0x04000000	/* max 64 MB SDRAM */

#define CFG_OR2		(SDRAM_PRELIM_OR_AM | SDRAM_TIMING )
#define CFG_BR2		((SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V )

/*
 * BR3/OR3 - SRAM (16 bit)
 */
#define	SRAM_BASE	0x20000000
#define CFG_OR3		0xFFF00130		/* BI/SCY = 5/TRLX (internal) */
#define CFG_BR3		((SRAM_BASE & BR_BA_MSK) | BR_PS_16 | BR_V)
#define SRAM_SIZE	(1 + (~(CFG_OR3 & BR_BA_MSK)))

/*
 * BR4/OR4 - Board Control & Status (8 bit)
 */
#define	BCSR_BASE	0xFC000000
#define CFG_OR4		0xFFFF0120		/* BI (internal) */
#define CFG_BR4		((BCSR_BASE & BR_BA_MSK) | BR_PS_8 | BR_V)

/*
 * BR5/OR5 - IP Slot A/B (16 bit)
 */
#define	IP_SLOT_BASE	0x40000000
#define CFG_OR5		0xFE00010C		/* SETA/TRLX/BI/ SCY=0 (external) */
#define CFG_BR5		((IP_SLOT_BASE & BR_BA_MSK) | BR_PS_16 | BR_V)

/*
 * BR6/OR6 - VME STD  (16 bit)
 */
#define	VME_STD_BASE	0xFE000000
#define CFG_OR6		0xFF00010C		/* SETA/TRLX/BI/SCY=0  (external) */
#define CFG_BR6		((VME_STD_BASE & BR_BA_MSK) | BR_PS_16 | BR_V)

/*
 * BR7/OR7 - SHORT I/O + RTC + IACK  (16 bit)
 */
#define VME_SHORT_BASE	0xFF000000
#define CFG_OR7		0xFF00010C		/* SETA/TRLX/BI/ SCY=0 (external) */
#define CFG_BR7		((VME_SHORT_BASE & BR_BA_MSK) | BR_PS_16 | BR_V)

/*-----------------------------------------------------------------------
 * Board Control and Status Region:
 *-----------------------------------------------------------------------
 */
#ifndef __ASSEMBLY__
typedef	struct ip860_bcsr_s {
	unsigned char	shmem_addr;	/* +00 shared memory address register	*/
	unsigned char	reserved0;
	unsigned char	mbox_addr;	/* +02 mailbox address register		*/
	unsigned char	reserved1;
	unsigned char	vme_int_mask;	/* +04 VME Bus interrupt mask register	*/
	unsigned char	reserved2;
	unsigned char	vme_int_pend;	/* +06 VME interrupt pending register	*/
	unsigned char	reserved3;
	unsigned char	bd_int_mask;	/* +08 board interrupt mask register	*/
	unsigned char	reserved4;
	unsigned char	bd_int_pend;	/* +0A board interrupt pending register	*/
	unsigned char	reserved5;
	unsigned char	bd_ctrl;	/* +0C board control register		*/
	unsigned char	reserved6;
	unsigned char	bd_status;	/* +0E board status  register		*/
	unsigned char	reserved7;
	unsigned char	vme_irq;	/* +10 VME interrupt request register	*/
	unsigned char	reserved8;
	unsigned char	vme_ivec;	/* +12 VME interrupt vector register	*/
	unsigned char	reserved9;
	unsigned char	cli_mbox;	/* +14 clear mailbox irq		*/
	unsigned char	reservedA;
	unsigned char	rtc;		/* +16 RTC control register		*/
	unsigned char	reservedB;
	unsigned char	mbox_data;	/* +18 mailbox read/write register	*/
	unsigned char	reservedC;
	unsigned char	wd_trigger;	/* +1A Watchdog trigger register	*/
	unsigned char	reservedD;
	unsigned char	rmw_req;	/* +1C RMW request register		*/
} ip860_bcsr_t;
#endif	/* __ASSEMBLY__ */

/*-----------------------------------------------------------------------
 * Board Control Register: bd_ctrl (Offset 0x0C)
 *-----------------------------------------------------------------------
 */
#define BD_CTRL_IPLSE	0x80	/* IP Slot Long Select Enable		*/
#define BD_CTRL_WDOGE	0x40	/* Watchdog Enable			*/
#define BD_CTRL_FLWE	0x20	/* Flash Write Enable			*/
#define BD_CTRL_RWDN	0x10	/* VMEBus Requester Release When Done Enable */

/*-----------------------------------------------------------------------
 *
 *-----------------------------------------------------------------------
 *
 */

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

#endif	/* __CONFIG_H */
