1/* 2 * Hardware info about DECstation 5000/200 systems (otherwise known as 3 * 3max or KN02). 4 * 5 * This file is subject to the terms and conditions of the GNU General Public 6 * License. See the file "COPYING" in the main directory of this archive 7 * for more details. 8 * 9 * Copyright (C) 1995,1996 by Paul M. Antoine, some code and definitions 10 * are by courtesy of Chris Fraser. 11 * Copyright (C) 2002 Maciej W. Rozycki 12 */ 13#ifndef __ASM_MIPS_DEC_KN02_H 14#define __ASM_MIPS_DEC_KN02_H 15 16#ifndef __ASSEMBLY__ 17#include <linux/spinlock.h> 18#include <linux/types.h> 19#endif 20 21#include <asm/addrspace.h> 22 23 24/* 25 * Motherboard regs (kseg1 addresses) 26 */ 27#define KN02_CSR_ADDR KSEG1ADDR(0x1ff00000) /* system control & status reg */ 28 29/* 30 * Some port addresses... 31 */ 32#define KN02_SLOT_SIZE 0x00080000 33 34#define KN02_RTC_BASE KSEG1ADDR(0x1fe80000) 35#define KN02_DZ11_BASE KSEG1ADDR(0x1fe00000) 36 37#define KN02_CSR_BNK32M (1<<10) /* 32M stride */ 38 39 40/* 41 * CPU interrupt bits. 42 */ 43#define KN02_CPU_INR_RES_6 6 /* unused */ 44#define KN02_CPU_INR_MEMORY 5 /* memory, I/O bus write errors */ 45#define KN02_CPU_INR_RES_4 4 /* unused */ 46#define KN02_CPU_INR_RTC 3 /* DS1287 RTC */ 47#define KN02_CPU_INR_CASCADE 2 /* CSR cascade */ 48 49/* 50 * CSR interrupt bits. 51 */ 52#define KN02_CSR_INR_DZ11 7 /* DZ11 (DC7085) serial */ 53#define KN02_CSR_INR_LANCE 6 /* LANCE (Am7990) Ethernet */ 54#define KN02_CSR_INR_ASC 5 /* ASC (NCR53C94) SCSI */ 55#define KN02_CSR_INR_RES_4 4 /* unused */ 56#define KN02_CSR_INR_RES_3 3 /* unused */ 57#define KN02_CSR_INR_TC2 2 /* TURBOchannel slot #2 */ 58#define KN02_CSR_INR_TC1 1 /* TURBOchannel slot #1 */ 59#define KN02_CSR_INR_TC0 0 /* TURBOchannel slot #0 */ 60 61 62#define KN02_IRQ_BASE 8 /* first IRQ assigned to CSR */ 63#define KN02_IRQ_LINES 8 /* number of CSR interrupts */ 64 65#define KN02_IRQ_NR(n) ((n) + KN02_IRQ_BASE) 66#define KN02_IRQ_MASK(n) (1 << (n)) 67#define KN02_IRQ_ALL 0xff 68 69 70#ifndef __ASSEMBLY__ 71extern u32 cached_kn02_csr; 72extern spinlock_t kn02_lock; 73extern void init_kn02_irqs(int base); 74#endif 75 76#endif /* __ASM_MIPS_DEC_KN02_H */ 77