Logo Search packages:      
Sourcecode: linux version File versions  Download package

kn02.h

/*
 * Hardware info about DECstation 5000/200 systems (otherwise known as
 * 3max or KN02).
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Copyright (C) 1995,1996 by Paul M. Antoine, some code and definitions
 * are by courtesy of Chris Fraser.
 * Copyright (C) 2002, 2003, 2005  Maciej W. Rozycki
 */
#ifndef __ASM_MIPS_DEC_KN02_H
#define __ASM_MIPS_DEC_KN02_H

#define KN02_SLOT_BASE  0x1fc00000
#define KN02_SLOT_SIZE  0x00080000

/*
 * Address ranges decoded by the "system slot" logic for onboard devices.
 */
#define KN02_SYS_ROM    (0*KN02_SLOT_SIZE)      /* system board ROM */
#define KN02_RES_1      (1*KN02_SLOT_SIZE)      /* unused */
#define KN02_CHKSYN     (2*KN02_SLOT_SIZE)      /* ECC syndrome */
#define KN02_ERRADDR    (3*KN02_SLOT_SIZE)      /* bus error address */
#define KN02_DZ11 (4*KN02_SLOT_SIZE)      /* DZ11 (DC7085) serial */
#define KN02_RTC  (5*KN02_SLOT_SIZE)      /* DS1287 RTC */
#define KN02_CSR  (6*KN02_SLOT_SIZE)      /* system ctrl & status reg */
#define KN02_SYS_ROM_7  (7*KN02_SLOT_SIZE)      /* system board ROM (alias) */


/*
 * System Control & Status Register bits.
 */
#define KN02_CSR_RES_28       (0xf<<28)   /* unused */
#define KN02_CSR_PSU          (1<<27)           /* power supply unit warning */
#define KN02_CSR_NVRAM        (1<<26)           /* ~NVRAM clear jumper */
#define KN02_CSR_REFEVEN      (1<<25)           /* mem refresh bank toggle */
#define KN02_CSR_NRMOD        (1<<24)           /* ~NRMOD manufact. jumper */
#define KN02_CSR_IOINTEN      (0xff<<16)  /* IRQ mask bits */
#define KN02_CSR_DIAGCHK      (1<<15)           /* diagn/norml ECC reads */
#define KN02_CSR_DIAGGEN      (1<<14)           /* diagn/norml ECC writes */
#define KN02_CSR_CORRECT      (1<<13)           /* ECC correct/check */
#define KN02_CSR_LEDIAG       (1<<12)           /* ECC diagn. latch strobe */
#define KN02_CSR_TXDIS        (1<<11)           /* DZ11 transmit disable */
#define KN02_CSR_BNK32M       (1<<10)           /* 32M/8M stride */
#define KN02_CSR_DIAGDN       (1<<9)            /* DIAGDN manufact. jumper */
#define KN02_CSR_BAUD38       (1<<8)            /* DZ11 38/19kbps ext. rate */
#define KN02_CSR_IOINT        (0xff<<0)   /* IRQ status bits (r/o) */
#define KN02_CSR_LEDS         (0xff<<0)   /* ~diagnostic LEDs (w/o) */


/*
 * CPU interrupt bits.
 */
#define KN02_CPU_INR_RES_6    6     /* unused */
#define KN02_CPU_INR_BUS      5     /* memory, I/O bus read/write errors */
#define KN02_CPU_INR_RES_4    4     /* unused */
#define KN02_CPU_INR_RTC      3     /* DS1287 RTC */
#define KN02_CPU_INR_CASCADE  2     /* CSR cascade */

/*
 * CSR interrupt bits.
 */
#define KN02_CSR_INR_DZ11     7     /* DZ11 (DC7085) serial */
#define KN02_CSR_INR_LANCE    6     /* LANCE (Am7990) Ethernet */
#define KN02_CSR_INR_ASC      5     /* ASC (NCR53C94) SCSI */
#define KN02_CSR_INR_RES_4    4     /* unused */
#define KN02_CSR_INR_RES_3    3     /* unused */
#define KN02_CSR_INR_TC2      2     /* TURBOchannel slot #2 */
#define KN02_CSR_INR_TC1      1     /* TURBOchannel slot #1 */
#define KN02_CSR_INR_TC0      0     /* TURBOchannel slot #0 */


#define KN02_IRQ_BASE         8     /* first IRQ assigned to CSR */
#define KN02_IRQ_LINES        8     /* number of CSR interrupts */

#define KN02_IRQ_NR(n)        ((n) + KN02_IRQ_BASE)
#define KN02_IRQ_MASK(n)      (1 << (n))
#define KN02_IRQ_ALL          0xff


#ifndef __ASSEMBLY__

#include <linux/types.h>

extern u32 cached_kn02_csr;
extern void init_kn02_irqs(int base);
#endif

#endif /* __ASM_MIPS_DEC_KN02_H */

Generated by  Doxygen 1.6.0   Back to index