[u-boot.git] / include / configs / IP860.h

/*
 * (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_BOARD_PRE_INIT	1	    /* Call board_pre_init	*/

#define	CONFIG_8xx_CONS_SMC1	1	/* Console is on SMC1		*/
#define CONFIG_BAUDRATE		9600
#define CONFIG_BOOTDELAY	5	/* autoboot after 5 seconds	*/

#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" \
"\0load=tftp \"/tftpboot/u-boot.bin\"\0update=protect off 1:0;era 1:0;cp.b 100000 10000000 $(filesize)\0"

#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		*/


/* enable I2C and select the hardware/software driver */
#undef  CONFIG_HARD_I2C			/* I2C with hardware support	*/
#define CONFIG_SOFT_I2C		1	/* I2C bit-banged		*/
/*
 * Software (bit-bang) I2C driver configuration
 */
#define PB_SCL		0x00000020	/* PB 26 */
#define PB_SDA		0x00000010	/* PB 27 */

#define I2C_INIT	(immr->im_cpm.cp_pbdir |=  PB_SCL)
#define I2C_ACTIVE	(immr->im_cpm.cp_pbdir |=  PB_SDA)
#define I2C_TRISTATE	(immr->im_cpm.cp_pbdir &= ~PB_SDA)
#define I2C_READ	((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
#define I2C_SDA(bit)	if(bit) immr->im_cpm.cp_pbdat |=  PB_SDA; \
			else    immr->im_cpm.cp_pbdat &= ~PB_SDA
#define I2C_SCL(bit)	if(bit) immr->im_cpm.cp_pbdat |=  PB_SCL; \
			else    immr->im_cpm.cp_pbdat &= ~PB_SCL
#define I2C_DELAY	udelay(5)	/* 1/4 I2C clock duration */


# define CFG_I2C_SPEED		50000
# define CFG_I2C_SLAVE		0xFE
# define CFG_I2C_EEPROM_ADDR	0x50	/* EEPROM X24C16		*/
# 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
#define CFG_EEPROM_PAGE_WRITE_BITS	4
#define CFG_EEPROM_PAGE_WRITE_DELAY_MS	10	/* takes up to 10 msec */

#define CONFIG_COMMANDS		(CONFIG_CMD_DFL | \
				 CFG_CMD_BEDBUG	| \
				 CFG_CMD_I2C	| \
				 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_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

/*-----------------------------------------------------------------------
 * 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
#if 0 /* need more space for I2C tests */
#define	CFG_MONITOR_LEN		(128 << 10)	/* Reserve 128 kB for Monitor	*/
#else
#define	CFG_MONITOR_LEN		(256 << 10)
#endif
#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
#undef  CFG_ENV_IS_IN_NVRAM
#undef	DEBUG_I2C
#define	CFG_ENV_IS_IN_EEPROM

#ifdef	CFG_ENV_IS_IN_NVRAM
#define CFG_ENV_ADDR		0x20000000	/* use SRAM	*/
#define CFG_ENV_SIZE		(16<<10)	/* use 16 kB	*/
#endif	/* CFG_ENV_IS_IN_NVRAM */

#ifdef	CFG_ENV_IS_IN_EEPROM
#define CFG_ENV_OFFSET		 512	/* Leave 512 bytes free for other data	*/
#define CFG_ENV_SIZE		1536	/* Use remaining space			*/
#endif	/* CFG_ENV_IS_IN_EEPROM */

/*-----------------------------------------------------------------------
 * 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 - get clock frequency from Board Revision Register
 *-----------------------------------------------------------------------
 */
#ifndef __ASSEMBLY__
extern  unsigned long           ip860_get_clk_freq (void);
#endif
#define	CONFIG_8xx_GCLK_FREQ	ip860_get_clk_freq()

/*-----------------------------------------------------------------------
 * 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	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)))
#define CFG_OR3_PRELIM	CFG_OR3			/* Make sure to map early */
#define CFG_BR3_PRELIM	CFG_BR3			/* in case it's used for ENV */

/*
 * 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		*/
	unsigned char	reservedE;
	unsigned char	bd_rev;		/* +1E Board Revision 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 */
Commit	Line	Data
e2211743 WD	1	/*
	2	* (C) Copyright 2000
	3	* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
	4	*
	5	* See file CREDITS for list of people who contributed to this
	6	* project.
	7	*
	8	* This program is free software; you can redistribute it and/or
	9	* modify it under the terms of the GNU General Public License as
	10	* published by the Free Software Foundation; either version 2 of
	11	* the License, or (at your option) any later version.
	12	*
	13	* This program is distributed in the hope that it will be useful,
	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	* GNU General Public License for more details.
	17	*
	18	* You should have received a copy of the GNU General Public License
	19	* along with this program; if not, write to the Free Software
	20	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	21	* MA 02111-1307 USA
	22	*/
	23
	24	/*
	25	* board/config.h - configuration options, board specific
	26	*/
	27
	28	#ifndef __CONFIG_H
	29	#define __CONFIG_H
	30
	31	/*
	32	* High Level Configuration Options
	33	* (easy to change)
	34	*/
	35
	36	#define CONFIG_MPC860 1 /* This is a MPC860 CPU */
	37	#define CONFIG_IP860 1 /* ...on a IP860 board */
3bac3513	38	#define CONFIG_BOARD_PRE_INIT 1 /* Call board_pre_init */
e2211743 WD	39
	40	#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
	41	#define CONFIG_BAUDRATE 9600
	42	#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
	43
	44	#define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
	45
	46	#define CONFIG_PREBOOT "echo;echo Type \"run flash_nfs\" to mount root filesystem over NFS;echo" \
	47	"\0load=tftp \"/tftpboot/u-boot.bin\"\0update=protect off 1:0;era 1:0;cp.b 100000 10000000 $(filesize)\0"
	48
e2211743 WD	49	#undef CONFIG_BOOTARGS
	50	#define CONFIG_BOOTCOMMAND \
	51	"bootp; " \
	52	"setenv bootargs root=/dev/nfs rw nfsroot=$(serverip):$(rootpath) " \
	53	"ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off; " \
	54	"bootm"
	55
	56	#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
	57	#undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
	58
	59	#undef CONFIG_WATCHDOG /* watchdog disabled */
	60
	61
	62	/* enable I2C and select the hardware/software driver */
	63	#undef CONFIG_HARD_I2C /* I2C with hardware support */
	64	#define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
	65	/*
	66	* Software (bit-bang) I2C driver configuration
	67	*/
	68	#define PB_SCL 0x00000020 /* PB 26 */
	69	#define PB_SDA 0x00000010 /* PB 27 */
	70
	71	#define I2C_INIT (immr->im_cpm.cp_pbdir \|= PB_SCL)
	72	#define I2C_ACTIVE (immr->im_cpm.cp_pbdir \|= PB_SDA)
	73	#define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
	74	#define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
	75	#define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat \|= PB_SDA; \
	76	else immr->im_cpm.cp_pbdat &= ~PB_SDA
	77	#define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat \|= PB_SCL; \
	78	else immr->im_cpm.cp_pbdat &= ~PB_SCL
	79	#define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
	80
	81
	82	# define CFG_I2C_SPEED 50000
	83	# define CFG_I2C_SLAVE 0xFE
	84	# define CFG_I2C_EEPROM_ADDR 0x50 /* EEPROM X24C16 */
	85	# define CFG_I2C_EEPROM_ADDR_LEN 1 /* bytes of address */
	86	/* mask of address bits that overflow into the "EEPROM chip address" */
	87	#define CFG_I2C_EEPROM_ADDR_OVERFLOW 0x07
	88	#define CFG_EEPROM_PAGE_WRITE_BITS 4
	89	#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* takes up to 10 msec */
	90
	91	#define CONFIG_COMMANDS (CONFIG_CMD_DFL \| \
	92	CFG_CMD_BEDBUG \| \
	93	CFG_CMD_I2C \| \
	94	CFG_CMD_EEPROM)
	95
	96	#define CONFIG_BOOTP_MASK CONFIG_BOOTP_DEFAULT
	97
	98	/----------------------------------------------------------------------/
	99
	100	/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
	101	#include <cmd_confdefs.h>
	102
	103	/----------------------------------------------------------------------/
	104
	105	/*
	106	* Miscellaneous configurable options
	107	*/
	108	#define CFG_LONGHELP /* undef to save memory */
	109	#define CFG_PROMPT "=> " /* Monitor Command Prompt */
	110	#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
	111	#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
	112	#else
113	#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
114	#endif
115	#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
116	#define CFG_MAXARGS 16 /* max number of command args */
117	#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
118
119	#define CFG_MEMTEST_START 0x00100000 /* memtest works on */
120	#define CFG_MEMTEST_END 0x00F00000 /* 1 ... 15MB in DRAM */
121
122	#define CFG_LOAD_ADDR 0x00100000 /* default load address */
123
124	#define CFG_PIO_MODE 0 /* IDE interface in PIO Mode 0 */
125
126	#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
127
128	#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
129
130	/*
131	* Low Level Configuration Settings
132	* (address mappings, register initial values, etc.)
133	* You should know what you are doing if you make changes here.
134	*/
135	/*-----------------------------------------------------------------------
136	* Internal Memory Mapped Register
137	*/
138	#define CFG_IMMR 0xF1000000 /* Non-standard value!! */
139
140	/*-----------------------------------------------------------------------
141	* Definitions for initial stack pointer and data area (in DPRAM)
142	*/
143	#define CFG_INIT_RAM_ADDR CFG_IMMR
144	#define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
145	#define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
146	#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
147	#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
148
149	/*-----------------------------------------------------------------------
150	* Start addresses for the final memory configuration
151	* (Set up by the startup code)
152	* Please note that CFG_SDRAM_BASE _must_ start at 0
153	*/
154	#define CFG_SDRAM_BASE 0x00000000
155	#define CFG_FLASH_BASE 0x10000000
156	#ifdef DEBUG
157	#define CFG_MONITOR_LEN (512 << 10) /* Reserve 512 kB for Monitor */
158	#else
159	#if 0 /* need more space for I2C tests */
160	#define CFG_MONITOR_LEN (128 << 10) /* Reserve 128 kB for Monitor */
161	#else
162	#define CFG_MONITOR_LEN (256 << 10)
163	#endif
164	#endif
165	#define CFG_MONITOR_BASE CFG_FLASH_BASE
166	#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
167
168	/*
169	* For booting Linux, the board info and command line data
170	* have to be in the first 8 MB of memory, since this is
171	* the maximum mapped by the Linux kernel during initialization.
172	*/
173	#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
174	/*-----------------------------------------------------------------------
175	* FLASH organization
176	*/
177	#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
178	#define CFG_MAX_FLASH_SECT 124 /* max number of sectors on one chip */
179
180	#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
181	#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
182
183	#undef CFG_ENV_IS_IN_FLASH
184	#undef CFG_ENV_IS_IN_NVRAM
185	#undef CFG_ENV_IS_IN_NVRAM
186	#undef DEBUG_I2C
187	#define CFG_ENV_IS_IN_EEPROM
188
189	#ifdef CFG_ENV_IS_IN_NVRAM
190	#define CFG_ENV_ADDR 0x20000000 /* use SRAM */
191	#define CFG_ENV_SIZE (16<<10) /* use 16 kB */
192	#endif /* CFG_ENV_IS_IN_NVRAM */
193
194	#ifdef CFG_ENV_IS_IN_EEPROM
195	#define CFG_ENV_OFFSET 512 /* Leave 512 bytes free for other data */
196	#define CFG_ENV_SIZE 1536 /* Use remaining space */
197	#endif /* CFG_ENV_IS_IN_EEPROM */
198
199	/*-----------------------------------------------------------------------
200	* Cache Configuration
201	*/
202	#define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
203	#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
204	#define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
205	#endif
206
207	/*-----------------------------------------------------------------------
208	* SYPCR - System Protection Control 11-9
209	* SYPCR can only be written once after reset!
210	*-----------------------------------------------------------------------
211	* Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
212	* +0x0004
213	*/
214	#if defined(CONFIG_WATCHDOG)
215	#define CFG_SYPCR (SYPCR_SWTC \| SYPCR_BMT \| SYPCR_BME \| SYPCR_SWF \| \
216	SYPCR_SWE \| SYPCR_SWRI\| SYPCR_SWP)
217	#else
218	#define CFG_SYPCR (SYPCR_SWTC \| SYPCR_BMT \| SYPCR_BME \| SYPCR_SWF \| SYPCR_SWP)
219	#endif
220
221	/*-----------------------------------------------------------------------
222	* SIUMCR - SIU Module Configuration 11-6
223	*-----------------------------------------------------------------------
224	* +0x0000 => 0x80600800
225	*/
226	#define CFG_SIUMCR (SIUMCR_EARB \| SIUMCR_EARP0 \| \
227	SIUMCR_DBGC11 \| SIUMCR_MLRC10)
228
229	/*-----------------------------------------------------------------------
8bde7f77	230	* Clock Setting - get clock frequency from Board Revision Register
e2211743 WD	231	*-----------------------------------------------------------------------
e2211743 WD	232	*/
3bac3513 WD	233	#ifndef __ASSEMBLY__
	234	extern unsigned long ip860_get_clk_freq (void);
	235	#endif
	236	#define CONFIG_8xx_GCLK_FREQ ip860_get_clk_freq()
e2211743 WD	237
	238	/*-----------------------------------------------------------------------
	239	* TBSCR - Time Base Status and Control 11-26
	240	*-----------------------------------------------------------------------
	241	* Clear Reference Interrupt Status, Timebase freezing enabled
	242	* +0x0200 => 0x00C2
	243	*/
	244	#define CFG_TBSCR (TBSCR_REFA \| TBSCR_REFB \| TBSCR_TBF)
	245
	246	/*-----------------------------------------------------------------------
	247	* PISCR - Periodic Interrupt Status and Control 11-31
	248	*-----------------------------------------------------------------------
	249	* Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
	250	* +0x0240 => 0x0082
	251	*/
	252	#define CFG_PISCR (PISCR_PS \| PISCR_PITF)
	253
	254	/*-----------------------------------------------------------------------
	255	* PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
	256	*-----------------------------------------------------------------------
	257	* Reset PLL lock status sticky bit, timer expired status bit and timer
	258	* interrupt status bit, set PLL multiplication factor !
	259	*/
	260	/* +0x0286 => was: 0x0000D000 */
	261	#define CFG_PLPRCR \
	262	( PLPRCR_SPLSS \| PLPRCR_TEXPS \| PLPRCR_TMIST \| \
	263	/PLPRCR_CSRC\|/ PLPRCR_LPM_NORMAL \| \
	264	PLPRCR_CSR \| PLPRCR_LOLRE /\|PLPRCR_FIOPD/ \
	265	)
	266
	267	/*-----------------------------------------------------------------------
	268	* SCCR - System Clock and reset Control Register 15-27
	269	*-----------------------------------------------------------------------
	270	* Set clock output, timebase and RTC source and divider,
	271	* power management and some other internal clocks
	272	*/
	273	#define SCCR_MASK SCCR_EBDF11
	274	#define CFG_SCCR (SCCR_COM00 \| SCCR_TBS \| \
	275	SCCR_RTDIV \| SCCR_RTSEL \| \
	276	/SCCR_CRQEN\|/ /SCCR_PRQEN\|/ \
	277	SCCR_EBDF00 \| SCCR_DFSYNC00 \| \
	278	SCCR_DFBRG00 \| SCCR_DFNL000 \| \
	279	SCCR_DFNH000)
	280
	281	/*-----------------------------------------------------------------------
	282	* RTCSC - Real-Time Clock Status and Control Register 11-27
	283	*-----------------------------------------------------------------------
	284	*/
	285	/* +0x0220 => 0x00C3 */
	286	#define CFG_RTCSC (RTCSC_SEC \| RTCSC_ALR \| RTCSC_RTF\| RTCSC_RTE)
	287
	288
	289	/*-----------------------------------------------------------------------
	290	* RCCR - RISC Controller Configuration Register 19-4
	291	*-----------------------------------------------------------------------
	292	*/
	293	/* +0x09C4 => TIMEP=1 */
	294	#define CFG_RCCR 0x0100
	295
	296	/*-----------------------------------------------------------------------
	297	* RMDS - RISC Microcode Development Support Control Register
	298	*-----------------------------------------------------------------------
	299	*/
	300	#define CFG_RMDS 0
301
302	/*-----------------------------------------------------------------------
303	* DER - Debug Event Register
304	*-----------------------------------------------------------------------
305	*
306	*/
e2211743 WD	307	#define CFG_DER 0
	308
	309	/*
	310	* Init Memory Controller:
	311	*/
	312
	313	/*
	314	* MAMR settings for SDRAM - 16-14
	315	* => 0xC3804114
	316	*/
	317
	318	/* periodic timer for refresh */
	319	#define CFG_MAMR_PTA 0xC3
	320
	321	#define CFG_MAMR ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) \| MAMR_PTAE \| \
	322	MAMR_AMA_TYPE_0 \| MAMR_DSA_1_CYCL \| MAMR_G0CLA_A10 \| \
	323	MAMR_RLFA_1X \| MAMR_WLFA_1X \| MAMR_TLFA_4X)
	324	/*
	325	* BR1 and OR1 (FLASH)
	326	*/
	327	#define FLASH_BASE 0x10000000 /* FLASH bank #0 */
	328
	329	/* used to re-map FLASH
	330	* restrict access enough to keep SRAM working (if any)
	331	* but not too much to meddle with FLASH accesses
	332	*/
	333	/* allow for max 8 MB of Flash */
	334	#define CFG_REMAP_OR_AM 0xFF800000 /* OR addr mask */
	335	#define CFG_PRELIM_OR_AM 0xFF800000 /* OR addr mask */
	336
	337	#define CFG_OR_TIMING_FLASH (OR_CSNT_SAM \| OR_ACS_DIV2 \| OR_BI \| OR_SCY_6_CLK)
	338
	339	#define CFG_OR0_REMAP (CFG_REMAP_OR_AM \| CFG_OR_TIMING_FLASH)
	340	#define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM \| CFG_OR_TIMING_FLASH)
	341	/* 16 bit, bank valid */
	342	#define CFG_BR0_PRELIM ((FLASH_BASE & BR_BA_MSK) \| BR_PS_32 \| BR_V )
	343
	344	#define CFG_OR1_PRELIM CFG_OR0_PRELIM
	345	#define CFG_BR1_PRELIM CFG_BR0_PRELIM
	346
	347	/*
	348	* BR2/OR2 - SDRAM
	349	*/
	350	#define SDRAM_BASE 0x00000000 /* SDRAM bank */
	351	#define SDRAM_PRELIM_OR_AM 0xF8000000 /* map max. 128 MB */
	352	#define SDRAM_TIMING 0x00000A00 /* SDRAM-Timing */
	353
	354	#define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB SDRAM */
	355
	356	#define CFG_OR2 (SDRAM_PRELIM_OR_AM \| SDRAM_TIMING )
	357	#define CFG_BR2 ((SDRAM_BASE & BR_BA_MSK) \| BR_MS_UPMA \| BR_V )
	358
	359	/*
	360	* BR3/OR3 - SRAM (16 bit)
	361	*/
	362	#define SRAM_BASE 0x20000000
	363	#define CFG_OR3 0xFFF00130 /* BI/SCY = 5/TRLX (internal) */
	364	#define CFG_BR3 ((SRAM_BASE & BR_BA_MSK) \| BR_PS_16 \| BR_V)
	365	#define SRAM_SIZE (1 + (~(CFG_OR3 & BR_BA_MSK)))
	366	#define CFG_OR3_PRELIM CFG_OR3 /* Make sure to map early */
	367	#define CFG_BR3_PRELIM CFG_BR3 /* in case it's used for ENV */
	368
	369	/*
	370	* BR4/OR4 - Board Control & Status (8 bit)
371	*/
372	#define BCSR_BASE 0xFC000000
373	#define CFG_OR4 0xFFFF0120 /* BI (internal) */
374	#define CFG_BR4 ((BCSR_BASE & BR_BA_MSK) \| BR_PS_8 \| BR_V)
375
376	/*
377	* BR5/OR5 - IP Slot A/B (16 bit)
378	*/
379	#define IP_SLOT_BASE 0x40000000
380	#define CFG_OR5 0xFE00010C /* SETA/TRLX/BI/ SCY=0 (external) */
381	#define CFG_BR5 ((IP_SLOT_BASE & BR_BA_MSK) \| BR_PS_16 \| BR_V)
382
383	/*
384	* BR6/OR6 - VME STD (16 bit)
385	*/
386	#define VME_STD_BASE 0xFE000000
387	#define CFG_OR6 0xFF00010C /* SETA/TRLX/BI/SCY=0 (external) */
388	#define CFG_BR6 ((VME_STD_BASE & BR_BA_MSK) \| BR_PS_16 \| BR_V)
389
390	/*
391	* BR7/OR7 - SHORT I/O + RTC + IACK (16 bit)
392	*/
393	#define VME_SHORT_BASE 0xFF000000
394	#define CFG_OR7 0xFF00010C /* SETA/TRLX/BI/ SCY=0 (external) */
395	#define CFG_BR7 ((VME_SHORT_BASE & BR_BA_MSK) \| BR_PS_16 \| BR_V)
396
397	/*-----------------------------------------------------------------------
398	* Board Control and Status Region:
399	*-----------------------------------------------------------------------
400	*/
401	#ifndef __ASSEMBLY__
402	typedef struct ip860_bcsr_s {
403	unsigned char shmem_addr; /* +00 shared memory address register */
404	unsigned char reserved0;
405	unsigned char mbox_addr; /* +02 mailbox address register */
406	unsigned char reserved1;
407	unsigned char vme_int_mask; /* +04 VME Bus interrupt mask register */
408	unsigned char reserved2;
409	unsigned char vme_int_pend; /* +06 VME interrupt pending register */
410	unsigned char reserved3;
411	unsigned char bd_int_mask; /* +08 board interrupt mask register */
412	unsigned char reserved4;
413	unsigned char bd_int_pend; /* +0A board interrupt pending register */
414	unsigned char reserved5;
415	unsigned char bd_ctrl; /* +0C board control register */
416	unsigned char reserved6;
417	unsigned char bd_status; /* +0E board status register */
418	unsigned char reserved7;
419	unsigned char vme_irq; /* +10 VME interrupt request register */
420	unsigned char reserved8;
421	unsigned char vme_ivec; /* +12 VME interrupt vector register */
422	unsigned char reserved9;
423	unsigned char cli_mbox; /* +14 clear mailbox irq */
424	unsigned char reservedA;
425	unsigned char rtc; /* +16 RTC control register */
426	unsigned char reservedB;
427	unsigned char mbox_data; /* +18 mailbox read/write register */
428	unsigned char reservedC;
429	unsigned char wd_trigger; /* +1A Watchdog trigger register */
430	unsigned char reservedD;
431	unsigned char rmw_req; /* +1C RMW request register */
3bac3513 WD	432	unsigned char reservedE;
3bac3513 WD	433	unsigned char bd_rev; /* +1E Board Revision register */
e2211743 WD	434	} ip860_bcsr_t;
	435	#endif /* __ASSEMBLY__ */
	436
	437	/*-----------------------------------------------------------------------
	438	* Board Control Register: bd_ctrl (Offset 0x0C)
	439	*-----------------------------------------------------------------------
	440	*/
	441	#define BD_CTRL_IPLSE 0x80 /* IP Slot Long Select Enable */
	442	#define BD_CTRL_WDOGE 0x40 /* Watchdog Enable */
	443	#define BD_CTRL_FLWE 0x20 /* Flash Write Enable */
	444	#define BD_CTRL_RWDN 0x10 /* VMEBus Requester Release When Done Enable */
	445
	446	/*-----------------------------------------------------------------------
	447	*
	448	*-----------------------------------------------------------------------
	449	*
	450	*/
	451
	452	/*
	453	* Internal Definitions
	454	*
	455	* Boot Flags
	456	*/
	457	#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
	458	#define BOOTFLAG_WARM 0x02 /* Software reboot */
	459
	460	#endif /* __CONFIG_H */