1/* 2 * Hardware info about DECstation DS2100/3100 systems (otherwise known as 3 * pmin/pmax or KN01). 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, 2003, 2005 Maciej W. Rozycki 12 */ 13#ifndef __ASM_MIPS_DEC_KN01_H 14#define __ASM_MIPS_DEC_KN01_H 15 16#define KN01_SLOT_BASE 0x10000000 17#define KN01_SLOT_SIZE 0x01000000 18 19/* 20 * Address ranges for devices. 21 */ 22#define KN01_PMASK (0*KN01_SLOT_SIZE) /* color plane mask */ 23#define KN01_PCC (1*KN01_SLOT_SIZE) /* PCC (DC503) cursor */ 24#define KN01_VDAC (2*KN01_SLOT_SIZE) /* color map */ 25#define KN01_RES_3 (3*KN01_SLOT_SIZE) /* unused */ 26#define KN01_RES_4 (4*KN01_SLOT_SIZE) /* unused */ 27#define KN01_RES_5 (5*KN01_SLOT_SIZE) /* unused */ 28#define KN01_RES_6 (6*KN01_SLOT_SIZE) /* unused */ 29#define KN01_ERRADDR (7*KN01_SLOT_SIZE) /* write error address */ 30#define KN01_LANCE (8*KN01_SLOT_SIZE) /* LANCE (Am7990) Ethernet */ 31#define KN01_LANCE_MEM (9*KN01_SLOT_SIZE) /* LANCE buffer memory */ 32#define KN01_SII (10*KN01_SLOT_SIZE) /* SII (DC7061) SCSI */ 33#define KN01_SII_MEM (11*KN01_SLOT_SIZE) /* SII buffer memory */ 34#define KN01_DZ11 (12*KN01_SLOT_SIZE) /* DZ11 (DC7085) serial */ 35#define KN01_RTC (13*KN01_SLOT_SIZE) /* DS1287 RTC (bytes #0) */ 36#define KN01_ESAR (13*KN01_SLOT_SIZE) /* MAC address (bytes #1) */ 37#define KN01_CSR (14*KN01_SLOT_SIZE) /* system ctrl & status reg */ 38#define KN01_SYS_ROM (15*KN01_SLOT_SIZE) /* system board ROM */ 39 40 41/* 42 * Frame buffer memory address. 43 */ 44#define KN01_VFB_MEM 0x0fc00000 45 46/* 47 * CPU interrupt bits. 48 */ 49#define KN01_CPU_INR_BUS 6 /* memory, I/O bus read/write errors */ 50#define KN01_CPU_INR_VIDEO 6 /* PCC area detect #2 */ 51#define KN01_CPU_INR_RTC 5 /* DS1287 RTC */ 52#define KN01_CPU_INR_DZ11 4 /* DZ11 (DC7085) serial */ 53#define KN01_CPU_INR_LANCE 3 /* LANCE (Am7990) Ethernet */ 54#define KN01_CPU_INR_SII 2 /* SII (DC7061) SCSI */ 55 56 57/* 58 * System Control & Status Register bits. 59 */ 60#define KN01_CSR_MNFMOD (1<<15) /* MNFMOD manufacturing jumper */ 61#define KN01_CSR_STATUS (1<<14) /* self-test result status output */ 62#define KN01_CSR_PARDIS (1<<13) /* parity error disable */ 63#define KN01_CSR_CRSRTST (1<<12) /* PCC test output */ 64#define KN01_CSR_MONO (1<<11) /* mono/color fb SIMM installed */ 65#define KN01_CSR_MEMERR (1<<10) /* write timeout error status & ack*/ 66#define KN01_CSR_VINT (1<<9) /* PCC area detect #2 status & ack */ 67#define KN01_CSR_TXDIS (1<<8) /* DZ11 transmit disable */ 68#define KN01_CSR_VBGTRG (1<<2) /* blue DAC voltage over green (r/o) */ 69#define KN01_CSR_VRGTRG (1<<1) /* red DAC voltage over green (r/o) */ 70#define KN01_CSR_VRGTRB (1<<0) /* red DAC voltage over blue (r/o) */ 71#define KN01_CSR_LEDS (0xff<<0) /* ~diagnostic LEDs (w/o) */ 72 73 74#ifndef __ASSEMBLY__ 75 76#include <linux/interrupt.h> 77#include <linux/spinlock.h> 78#include <linux/types.h> 79 80struct pt_regs; 81 82extern u16 cached_kn01_csr; 83 84extern void dec_kn01_be_init(void); 85extern int dec_kn01_be_handler(struct pt_regs *regs, int is_fixup); 86extern irqreturn_t dec_kn01_be_interrupt(int irq, void *dev_id); 87#endif 88 89#endif /* __ASM_MIPS_DEC_KN01_H */ 90