1 /* 2 * Hardware info about DECstation 5000/2x0 systems (otherwise known as 3 * 3max+) and DECsystem 5900 systems (otherwise known as bigmax) which 4 * differ mechanically but are otherwise identical (both are known as 5 * KN03). 6 * 7 * This file is subject to the terms and conditions of the GNU General Public 8 * License. See the file "COPYING" in the main directory of this archive 9 * for more details. 10 * 11 * Copyright (C) 1995,1996 by Paul M. Antoine, some code and definitions 12 * are by courtesy of Chris Fraser. 13 * Copyright (C) 2000, 2002, 2003 Maciej W. Rozycki 14 */ 15 #ifndef __ASM_MIPS_DEC_KN03_H 16 #define __ASM_MIPS_DEC_KN03_H 17 18 #include <asm/addrspace.h> 19 #include <asm/dec/ecc.h> 20 #include <asm/dec/ioasic_addrs.h> 21 22 #define KN03_SLOT_BASE KSEG1ADDR(0x1f800000) 23 24 /* 25 * Some port addresses... 26 */ 27 #define KN03_IOASIC_BASE (KN03_SLOT_BASE + IOASIC_IOCTL) /* I/O ASIC */ 28 #define KN03_RTC_BASE (KN03_SLOT_BASE + IOASIC_TOY) /* RTC */ 29 #define KN03_MCR_BASE (KN03_SLOT_BASE + IOASIC_MCR) /* MCR */ 30 31 32 /* 33 * CPU interrupt bits. 34 */ 35 #define KN03_CPU_INR_HALT 6 /* HALT button */ 36 #define KN03_CPU_INR_BUS 5 /* memory, I/O bus read/write errors */ 37 #define KN03_CPU_INR_RES_4 4 /* unused */ 38 #define KN03_CPU_INR_RTC 3 /* DS1287 RTC */ 39 #define KN03_CPU_INR_CASCADE 2 /* I/O ASIC cascade */ 40 41 /* 42 * I/O ASIC interrupt bits. Star marks denote non-IRQ status bits. 43 */ 44 #define KN03_IO_INR_3MAXP 15 /* (*) 3max+/bigmax ID */ 45 #define KN03_IO_INR_NVRAM 14 /* (*) NVRAM clear jumper */ 46 #define KN03_IO_INR_TC2 13 /* TURBOchannel slot #2 */ 47 #define KN03_IO_INR_TC1 12 /* TURBOchannel slot #1 */ 48 #define KN03_IO_INR_TC0 11 /* TURBOchannel slot #0 */ 49 #define KN03_IO_INR_NRMOD 10 /* (*) NRMOD manufacturing jumper */ 50 #define KN03_IO_INR_ASC 9 /* ASC (NCR53C94) SCSI */ 51 #define KN03_IO_INR_LANCE 8 /* LANCE (Am7990) Ethernet */ 52 #define KN03_IO_INR_SCC1 7 /* SCC (Z85C30) serial #1 */ 53 #define KN03_IO_INR_SCC0 6 /* SCC (Z85C30) serial #0 */ 54 #define KN03_IO_INR_RTC 5 /* DS1287 RTC */ 55 #define KN03_IO_INR_PSU 4 /* power supply unit warning */ 56 #define KN03_IO_INR_RES_3 3 /* unused */ 57 #define KN03_IO_INR_ASC_DATA 2 /* SCSI data ready (for PIO) */ 58 #define KN03_IO_INR_PBNC 1 /* ~HALT button debouncer */ 59 #define KN03_IO_INR_PBNO 0 /* HALT button debouncer */ 60 61 62 /* 63 * Memory Control Register bits. 64 */ 65 #define KN03_MCR_RES_16 (0xffff<<16) /* unused */ 66 #define KN03_MCR_DIAGCHK (1<<15) /* diagn/norml ECC reads */ 67 #define KN03_MCR_DIAGGEN (1<<14) /* diagn/norml ECC writes */ 68 #define KN03_MCR_CORRECT (1<<13) /* ECC correct/check */ 69 #define KN03_MCR_RES_11 (0x3<<12) /* unused */ 70 #define KN03_MCR_BNK32M (1<<10) /* 32M/8M stride */ 71 #define KN03_MCR_RES_7 (0x7<<7) /* unused */ 72 #define KN03_MCR_CHECK (0x7f<<0) /* diagnostic check bits */ 73 74 /* 75 * I/O ASIC System Support Register bits. 76 */ 77 #define KN03_IO_SSR_TXDIS1 (1<<14) /* SCC1 transmit disable */ 78 #define KN03_IO_SSR_TXDIS0 (1<<13) /* SCC0 transmit disable */ 79 #define KN03_IO_SSR_RES_12 (1<<12) /* unused */ 80 81 #define KN03_IO_SSR_LEDS (0xff<<0) /* ~diagnostic LEDs */ 82 83 #endif /* __ASM_MIPS_DEC_KN03_H */ 84