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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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75 lines
2.7 KiB
C
75 lines
2.7 KiB
C
/*
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* Hardware info about DECstation 5000/2x0 systems (otherwise known as
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* 3max+) and DECsystem 5900 systems (otherwise known as bigmax) which
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* differ mechanically but are otherwise identical (both are known as
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* KN03).
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 1995,1996 by Paul M. Antoine, some code and definitions
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* are by courtesy of Chris Fraser.
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* Copyright (C) 2000, 2002, 2003, 2005 Maciej W. Rozycki
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*/
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#ifndef __ASM_MIPS_DEC_KN03_H
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#define __ASM_MIPS_DEC_KN03_H
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#include <asm/dec/ecc.h>
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#include <asm/dec/ioasic_addrs.h>
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#define KN03_SLOT_BASE 0x1f800000
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/*
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* CPU interrupt bits.
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*/
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#define KN03_CPU_INR_HALT 6 /* HALT button */
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#define KN03_CPU_INR_BUS 5 /* memory, I/O bus read/write errors */
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#define KN03_CPU_INR_RES_4 4 /* unused */
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#define KN03_CPU_INR_RTC 3 /* DS1287 RTC */
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#define KN03_CPU_INR_CASCADE 2 /* I/O ASIC cascade */
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/*
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* I/O ASIC interrupt bits. Star marks denote non-IRQ status bits.
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*/
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#define KN03_IO_INR_3MAXP 15 /* (*) 3max+/bigmax ID */
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#define KN03_IO_INR_NVRAM 14 /* (*) NVRAM clear jumper */
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#define KN03_IO_INR_TC2 13 /* TURBOchannel slot #2 */
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#define KN03_IO_INR_TC1 12 /* TURBOchannel slot #1 */
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#define KN03_IO_INR_TC0 11 /* TURBOchannel slot #0 */
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#define KN03_IO_INR_NRMOD 10 /* (*) NRMOD manufacturing jumper */
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#define KN03_IO_INR_ASC 9 /* ASC (NCR53C94) SCSI */
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#define KN03_IO_INR_LANCE 8 /* LANCE (Am7990) Ethernet */
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#define KN03_IO_INR_SCC1 7 /* SCC (Z85C30) serial #1 */
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#define KN03_IO_INR_SCC0 6 /* SCC (Z85C30) serial #0 */
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#define KN03_IO_INR_RTC 5 /* DS1287 RTC */
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#define KN03_IO_INR_PSU 4 /* power supply unit warning */
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#define KN03_IO_INR_RES_3 3 /* unused */
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#define KN03_IO_INR_ASC_DATA 2 /* SCSI data ready (for PIO) */
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#define KN03_IO_INR_PBNC 1 /* ~HALT button debouncer */
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#define KN03_IO_INR_PBNO 0 /* HALT button debouncer */
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/*
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* Memory Control Register bits.
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*/
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#define KN03_MCR_RES_16 (0xffff<<16) /* unused */
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#define KN03_MCR_DIAGCHK (1<<15) /* diagn/norml ECC reads */
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#define KN03_MCR_DIAGGEN (1<<14) /* diagn/norml ECC writes */
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#define KN03_MCR_CORRECT (1<<13) /* ECC correct/check */
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#define KN03_MCR_RES_11 (0x3<<12) /* unused */
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#define KN03_MCR_BNK32M (1<<10) /* 32M/8M stride */
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#define KN03_MCR_RES_7 (0x7<<7) /* unused */
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#define KN03_MCR_CHECK (0x7f<<0) /* diagnostic check bits */
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/*
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* I/O ASIC System Support Register bits.
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*/
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#define KN03_IO_SSR_TXDIS1 (1<<14) /* SCC1 transmit disable */
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#define KN03_IO_SSR_TXDIS0 (1<<13) /* SCC0 transmit disable */
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#define KN03_IO_SSR_RES_12 (1<<12) /* unused */
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#define KN03_IO_SSR_LEDS (0xff<<0) /* ~diagnostic LEDs */
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#endif /* __ASM_MIPS_DEC_KN03_H */
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