kn03.h

早期freebsd实现

/*-
 * Copyright (c) 1992, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * The Mach Operating System project at Carnegie-Mellon University,
 * Ralph Campbell and Rick Macklem.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)kn03.h	8.1 (Berkeley) 6/10/93
 */

/* 
 * Mach Operating System
 * Copyright (c) 1991,1990,1989 Carnegie Mellon University
 * All Rights Reserved.
 * 
 * Permission to use, copy, modify and distribute this software and
 * its documentation is hereby granted, provided that both the copyright
 * notice and this permission notice appear in all copies of the
 * software, derivative works or modified versions, and any portions
 * thereof, and that both notices appear in supporting documentation.
 * 
 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 
 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 
 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 * 
 * Carnegie Mellon requests users of this software to return to
 *
 *  Software Distribution Coordinator  or  [e-mail]
 *  School of Computer Science
 *  Carnegie Mellon University
 *  Pittsburgh PA 15213-3890
 *
 * any improvements or extensions that they make and grant Carnegie the
 * rights to redistribute these changes.
 */
/*
 *	Definitions specific to the KN03GA processors and 3MAX+
 *	DECstation 5000/240 mother board.
 */

#ifndef	MIPS_KN03_H
#define	MIPS_KN03_H 1

/*
 * 3MAX+'s Physical address space
 */

#define KN03_PHYS_MIN		0x00000000	/* 512 Meg */
#define KN03_PHYS_MAX		0x1fffffff

/*
 * Memory map
 */

#define KN03_PHYS_MEMORY_START	0x00000000
#define KN03_PHYS_MEMORY_END	0x1dffffff	/* 480 Meg */

/*
 * I/O map
 */

#define KN03_PHYS_TC_0_START	0x1e000000	/* TURBOchannel, slot 0 */
#define KN03_PHYS_TC_0_END	0x1e7fffff	/*  8 Meg, option0 */

#define KN03_PHYS_TC_1_START	0x1e800000	/* TURBOchannel, slot 1 */
#define KN03_PHYS_TC_1_END	0x1effffff	/*  8 Meg, option1 */

#define KN03_PHYS_TC_2_START	0x1f000000	/* TURBOchannel, slot 2 */
#define KN03_PHYS_TC_2_END	0x1f7fffff	/*  8 Meg, option2 */

#define KN03_PHYS_TC_3_START	0x1f800000	/* TURBOchannel, slot 3 */
#define KN03_PHYS_TC_3_END	0x1fffffff	/*  8 Meg, system devices */

#define	KN03_PHYS_TC_START	KN03_PHYS_TC_0_START
#define	KN03_PHYS_TC_END	KN03_PHYS_TC_3_END

#define KN03_TC_NSLOTS		4
#define	KN03_TC_MIN		0
#define KN03_TC_MAX		2		/* don't look at system slot */

/* Pseudo-TCslots */
#define	KN03_SCSI_SLOT		3
#define	KN03_LANCE_SLOT		4
#define	KN03_SCC1_SLOT		5
#define	KN03_SCC0_SLOT		6
#define	KN03_ASIC_SLOT		7

/*
 * System module space (IO ASIC)
 */

#define	KN03_SYS_ASIC		( KN03_PHYS_TC_3_START + 0x0000000 )

#define	KN03_SYS_ROM_START	( KN03_SYS_ASIC + ASIC_SLOT_0_START )
#define KN03_SYS_ASIC_REGS	( KN03_SYS_ASIC + ASIC_SLOT_1_START )
#define	KN03_SYS_ETHER_ADDRESS	( KN03_SYS_ASIC + ASIC_SLOT_2_START )
#define	KN03_SYS_LANCE		( KN03_SYS_ASIC + ASIC_SLOT_3_START )
#define	KN03_SYS_SCC_0		( KN03_SYS_ASIC + ASIC_SLOT_4_START )
#define	KN03_SYS_SCC_1		( KN03_SYS_ASIC + ASIC_SLOT_6_START )
#define	KN03_SYS_CLOCK		( KN03_SYS_ASIC + ASIC_SLOT_8_START )
#define	KN03_SYS_ERRADR		( KN03_SYS_ASIC + ASIC_SLOT_9_START )
#define	KN03_SYS_ERRSYN		( KN03_SYS_ASIC + ASIC_SLOT_10_START )
#define	KN03_SYS_CSR		( KN03_SYS_ASIC + ASIC_SLOT_11_START )
#define	KN03_SYS_SCSI		( KN03_SYS_ASIC + ASIC_SLOT_12_START )
#define	KN03_SYS_SCSI_DMA	( KN03_SYS_ASIC + ASIC_SLOT_14_START )
#define	KN03_SYS_BOOT_ROM_START	( KN03_PHYS_TC_3_START + 0x400000 )
#define	KN03_SYS_BOOT_ROM_END	( KN03_PHYS_TC_3_START + 0x43ffff )

/*
 * Interrupts
 */

#define KN03_INT_FPA		IP_LEV7		/* Floating Point coproc */
#define KN03_INT_HALTB		IP_LEV6		/* Halt button */
#define KN03_INT_MEM		IP_LEV5		/* Memory Errors */
#define KN03_INT_RTC		IP_LEV3		/* RTC clock */
#define KN03_INT_ASIC		IP_LEV2		/* All turbochannel */

#define	KN03_REG_SCSI_DMAPTR	( KN03_SYS_ASIC + ASIC_SCSI_DMAPTR )
#define	KN03_REG_SCSI_DMANPTR	( KN03_SYS_ASIC + ASIC_SCSI_NEXTPTR )
#define	KN03_REG_LANCE_DMAPTR	( KN03_SYS_ASIC + ASIC_LANCE_DMAPTR )
#define	KN03_REG_SCC_T1_DMAPTR	( KN03_SYS_ASIC + ASIC_SCC_T1_DMAPTR )
#define	KN03_REG_SCC_R1_DMAPTR	( KN03_SYS_ASIC + ASIC_SCC_R1_DMAPTR )
#define	KN03_REG_SCC_T2_DMAPTR	( KN03_SYS_ASIC + ASIC_SCC_T2_DMAPTR )
#define	KN03_REG_SCC_R2_DMAPTR	( KN03_SYS_ASIC + ASIC_SCC_R2_DMAPTR )
#define	KN03_REG_CSR		( KN03_SYS_ASIC + ASIC_CSR )
#define	KN03_REG_INTR		( KN03_SYS_ASIC + ASIC_INTR )
#define	KN03_REG_IMSK		( KN03_SYS_ASIC + ASIC_IMSK )
#define	KN03_REG_CURADDR	( KN03_SYS_ASIC + ASIC_CURADDR )

#define	KN03_REG_LANCE_DECODE	( KN03_SYS_ASIC + ASIC_LANCE_DECODE )
#define	KN03_REG_SCSI_DECODE	( KN03_SYS_ASIC + ASIC_SCSI_DECODE )
#define	KN03_REG_SCC0_DECODE	( KN03_SYS_ASIC + ASIC_SCC0_DECODE )
#define	KN03_REG_SCC1_DECODE	( KN03_SYS_ASIC + ASIC_SCC1_DECODE )
#	define KN03_LANCE_CONFIG	3
#	define KN03_SCSI_CONFIG		14
#	define KN03_SCC0_CONFIG		(0x10|4)
#	define KN03_SCC1_CONFIG		(0x10|6)

#define	KN03_REG_SCSI_SCR	( KN03_SYS_ASIC + ASIC_SCSI_SCR )
#define	KN03_REG_SCSI_SDR0	( KN03_SYS_ASIC + ASIC_SCSI_SDR0 )
#define	KN03_REG_SCSI_SDR1	( KN03_SYS_ASIC + ASIC_SCSI_SDR1 )

/* NOTES

   Memory access priority is, from higher to lower:
	- DRAM refresh
	- IO DMA (IO Control ASIC)
	- Slot 2 DMA
	- Slot 1 DMA
	- Slot 0 DMA
	- Processor

 */

/*
 * More system registers defines (IO Control ASIC)
 */

/* (re)defines for the system Status and Control register (SSR) */

#define KN03_CSR_DMAEN_T1	ASIC_CSR_DMAEN_T1
#define KN03_CSR_DMAEN_R1	ASIC_CSR_DMAEN_R1
#define KN03_CSR_DMAEN_T2	ASIC_CSR_DMAEN_T2
#define KN03_CSR_DMAEN_R2	ASIC_CSR_DMAEN_R2
#define KN03_CSR_SCSI_DIR	ASIC_CSR_SCSI_DIR
#define KN03_CSR_DMAEN_SCSI	ASIC_CSR_DMAEN_SCSI
#define KN03_CSR_DMAEN_LANCE	ASIC_CSR_DMAEN_LANCE
#define KN03_CSR_DIAGDN		0x00008000	/* rw */
#define KN03_CSR_TXDIS_2	0x00004000	/* rw */
#define KN03_CSR_TXDIS_1	0x00002000	/* rw */
#define KN03_CSR_SCC_ENABLE	0x00000800	/* rw */
#define KN03_CSR_RTC_ENABLE	0x00000400	/* rw */
#define KN03_CSR_SCSI_ENABLE	0x00000200	/* rw */
#define KN03_CSR_LANCE_ENABLE	0x00000100	/* rw */
#define KN03_CSR_LEDS		0x000000ff	/* rw */

/* (re)defines for the System Interrupt and Mask Registers */

#define	KN03_INTR_T1_PAGE_END	ASIC_INTR_T1_PAGE_END
#define	KN03_INTR_T1_READ_E	ASIC_INTR_T1_READ_E
#define	KN03_INTR_R1_HALF_PAGE	ASIC_INTR_R1_HALF_PAGE
#define	KN03_INTR_R1_DMA_OVRUN	ASIC_INTR_R1_DMA_OVRUN
#define	KN03_INTR_T2_PAGE_END	ASIC_INTR_T2_PAGE_END
#define	KN03_INTR_T2_READ_E	ASIC_INTR_T2_READ_E
#define	KN03_INTR_R2_HALF_PAGE	ASIC_INTR_R2_HALF_PAGE
#define	KN03_INTR_R2_DMA_OVRUN	ASIC_INTR_R2_DMA_OVRUN
#define	KN03_INTR_SCSI_PTR_LOAD	ASIC_INTR_SCSI_PTR_LOAD
#define	KN03_INTR_SCSI_OVRUN	ASIC_INTR_SCSI_OVRUN
#define	KN03_INTR_SCSI_READ_E	ASIC_INTR_SCSI_READ_E
#define	KN03_INTR_LANCE_READ_E	ASIC_INTR_LANCE_READ_E
#define	KN03_INTR_NVR_JUMPER	0x00004000	/* ro */
#define	KN03_INTR_TC_2		0x00002000	/* ro */
#define	KN03_INTR_TC_1		0x00001000	/* ro */
#define	KN03_INTR_TC_0		0x00000800	/* ro */
#define	KN03_INTR_NRMOD_JUMPER	0x00000400	/* ro */
#define	KN03_INTR_SCSI		0x00000200	/* ro */
#define	KN03_INTR_LANCE		0x00000100	/* ro */
#define	KN03_INTR_SCC_1		0x00000080	/* ro */
#define	KN03_INTR_SCC_0		0x00000040	/* ro */
#define	KN03_INTR_CLOCK		0x00000020	/* ro */
#define	KN03_INTR_PSWARN	0x00000010	/* ro */
#define	KN03_INTR_SCSI_FIFO	0x00000004	/* ro */
#define	KN03_INTR_PBNC		0x00000002	/* ro */
#define	KN03_INTR_PBNO		0x00000001	/* ro */
#define	KN03_INTR_ASIC		0xff0f0004
#define	KN03_IM0		0xff0f3bf0	/* all good ones enabled */

/*
 * XXX I made a wild guess this register looks the same as for the KN02.
 */

#define KN03_ERR_ADDRESS	0x07ffffff	/* phys address */
#define KN03_ERR_RESERVED	0x08000000	/* unused */
#define KN03_ERR_ECCERR		0x10000000	/* ECC error */
#define KN03_ERR_WRITE		0x20000000	/* read/write transaction */
#define KN03_ERR_CPU		0x40000000	/* CPU or device initiator */
#define KN03_ERR_VALID		0x80000000	/* Info is valid */

/* ECC check/syndrome status register */

#define KN03_ECC_SYNLO		0x0000007f	/* syndrome, even bank	*/
#define KN03_ECC_SNGLO		0x00000080	/* single bit err, " 	*/
#define KN03_ECC_CHKLO		0x00007f00	/* check bits,	"  "	*/
#define KN03_ECC_VLDLO		0x00008000	/* info valid for  "	*/
#define KN03_ECC_SYNHI		0x007f0000	/* syndrome, odd bank	*/
#define KN03_ECC_SNGHI		0x00800000	/* single bit err, "	*/
#define KN03_ECC_CHKHI		0x7f000000	/* check bits,  "  "	*/
#define KN03_ECC_VLDHI		0x80000000	/* info valid for  "	*/
#endif	/* MIPS_KN03_H */