kn02.h
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上传日期:2013-04-10
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- /*
- * 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 Maciej W. Rozycki
- */
- #ifndef __ASM_MIPS_DEC_KN02_H
- #define __ASM_MIPS_DEC_KN02_H
- #ifndef __ASSEMBLY__
- #include <linux/spinlock.h>
- #include <linux/types.h>
- #endif
- #include <asm/addrspace.h>
- /*
- * Motherboard regs (kseg1 addresses)
- */
- #define KN02_CSR_ADDR KSEG1ADDR(0x1ff00000) /* system control & status reg */
- /*
- * Some port addresses...
- */
- #define KN02_SLOT_SIZE 0x00080000
- #define KN02_RTC_BASE KSEG1ADDR(0x1fe80000)
- #define KN02_DZ11_BASE KSEG1ADDR(0x1fe00000)
- #define KN02_CSR_BNK32M (1<<10) /* 32M stride */
- /*
- * CPU interrupt bits.
- */
- #define KN02_CPU_INR_RES_6 6 /* unused */
- #define KN02_CPU_INR_MEMORY 5 /* memory, I/O bus 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__
- extern u32 cached_kn02_csr;
- extern spinlock_t kn02_lock;
- extern void init_kn02_irqs(int base);
- #endif
- #endif /* __ASM_MIPS_DEC_KN02_H */