kn03.h
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上传日期:2013-04-10
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- /*
- * Hardware info about DECstation 5000/2x0 systems (otherwise known as
- * 3max+) and DECsystem 5900 systems (otherwise known as bigmax) which
- * differ mechanically but are otherwise identical (both are known as
- * KN03).
- *
- * 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) 2000, 2002 Maciej W. Rozycki
- *
- * These are addresses which have to be known early in the boot process.
- * For other addresses refer to tc.h ioasic_addrs.h and friends.
- */
- #ifndef __ASM_MIPS_DEC_KN03_H
- #define __ASM_MIPS_DEC_KN03_H
- #include <asm/addrspace.h>
- /*
- * Some port addresses...
- */
- #define KN03_IOASIC_BASE KSEG1ADDR(0x1f840000) /* I/O ASIC */
- #define KN03_RTC_BASE KSEG1ADDR(0x1fa00000) /* RTC */
- #define KN03_MCR_BASE KSEG1ADDR(0x1fac0000) /* MCR */
- #define KN03_MCR_BNK32M (1<<10) /* 32M stride */
- #define KN03_MCR_ECCEN (1<<13) /* ECC enabled */
- #define KN03_IOASIC_REG(r) (KN03_IOASIC_BASE+(r))
- /*
- * CPU interrupt bits.
- */
- #define KN03_CPU_INR_HALT 6 /* HALT button */
- #define KN03_CPU_INR_MEMORY 5 /* memory, I/O bus write errors */
- #define KN03_CPU_INR_RES_4 4 /* unused */
- #define KN03_CPU_INR_RTC 3 /* DS1287 RTC */
- #define KN03_CPU_INR_CASCADE 2 /* I/O ASIC cascade */
- /*
- * I/O ASIC interrupt bits. Star marks denote non-IRQ status bits.
- */
- #define KN03_IO_INR_3MAXP 15 /* (*) 3max+/bigmax ID */
- #define KN03_IO_INR_NVRAM 14 /* (*) NVRAM clear jumper */
- #define KN03_IO_INR_TC2 13 /* TURBOchannel slot #2 */
- #define KN03_IO_INR_TC1 12 /* TURBOchannel slot #1 */
- #define KN03_IO_INR_TC0 11 /* TURBOchannel slot #0 */
- #define KN03_IO_INR_NRMOD 10 /* (*) NRMOD manufacturing jumper */
- #define KN03_IO_INR_ASC 9 /* ASC (NCR53C94) SCSI */
- #define KN03_IO_INR_LANCE 8 /* LANCE (Am7990) Ethernet */
- #define KN03_IO_INR_SCC1 7 /* SCC (Z85C30) serial #1 */
- #define KN03_IO_INR_SCC0 6 /* SCC (Z85C30) serial #0 */
- #define KN03_IO_INR_RTC 5 /* DS1287 RTC (?) */
- #define KN03_IO_INR_PSU 4 /* power supply unit warning */
- #define KN03_IO_INR_RES_3 3 /* unused */
- #define KN03_IO_INR_ASC_DATA 2 /* SCSI data ready (discouraged?) (?) */
- #define KN03_IO_INR_PBNC 1 /* HALT button debouncer */
- #define KN03_IO_INR_PBNO 0 /* ~HALT button debouncer */
- #endif /* __ASM_MIPS_DEC_KN03_H */