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79 lines
3 KiB
C
79 lines
3 KiB
C
/*
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* include/asm-mips/dec/kn02ca.h
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*
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* Personal DECstation 5000/xx (Maxine or KN02-CA) definitions.
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*
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* Copyright (C) 2002, 2003 Maciej W. Rozycki
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#ifndef __ASM_MIPS_DEC_KN02CA_H
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#define __ASM_MIPS_DEC_KN02CA_H
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#include <asm/dec/kn02xa.h> /* For common definitions. */
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/*
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* CPU interrupt bits.
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*/
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#define KN02CA_CPU_INR_HALT 6 /* HALT from ACCESS.Bus */
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#define KN02CA_CPU_INR_CASCADE 5 /* I/O ASIC cascade */
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#define KN02CA_CPU_INR_BUS 4 /* memory, I/O bus read/write errors */
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#define KN02CA_CPU_INR_RTC 3 /* DS1287 RTC */
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#define KN02CA_CPU_INR_TIMER 2 /* ARC periodic timer */
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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 KN02CA_IO_INR_FLOPPY 15 /* 82077 FDC */
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#define KN02CA_IO_INR_NVRAM 14 /* (*) NVRAM clear jumper */
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#define KN02CA_IO_INR_POWERON 13 /* (*) ACCESS.Bus/power-on reset */
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#define KN02CA_IO_INR_TC0 12 /* TURBOchannel slot #0 */
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#define KN02CA_IO_INR_TIMER 12 /* ARC periodic timer (?) */
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#define KN02CA_IO_INR_ISDN 11 /* Am79C30A ISDN */
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#define KN02CA_IO_INR_NRMOD 10 /* (*) NRMOD manufacturing jumper */
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#define KN02CA_IO_INR_ASC 9 /* ASC (NCR53C94) SCSI */
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#define KN02CA_IO_INR_LANCE 8 /* LANCE (Am7990) Ethernet */
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#define KN02CA_IO_INR_HDFLOPPY 7 /* (*) HD (1.44MB) floppy status */
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#define KN02CA_IO_INR_SCC0 6 /* SCC (Z85C30) serial #0 */
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#define KN02CA_IO_INR_TC1 5 /* TURBOchannel slot #1 */
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#define KN02CA_IO_INR_XDFLOPPY 4 /* (*) XD (2.88MB) floppy status */
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#define KN02CA_IO_INR_VIDEO 3 /* framebuffer */
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#define KN02CA_IO_INR_XVIDEO 2 /* ~framebuffer */
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#define KN02CA_IO_INR_AB_XMIT 1 /* ACCESS.bus transmit */
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#define KN02CA_IO_INR_AB_RECV 0 /* ACCESS.bus receive */
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/*
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* Memory Error Register bits.
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*/
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#define KN02CA_MER_INTR (1<<27) /* ARC IRQ status & ack */
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/*
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* Memory Size Register bits.
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*/
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#define KN02CA_MSR_INTREN (1<<26) /* ARC periodic IRQ enable */
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#define KN02CA_MSR_MS10EN (1<<25) /* 10/1ms IRQ period select */
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#define KN02CA_MSR_PFORCE (0xf<<21) /* byte lane error force */
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#define KN02CA_MSR_MABEN (1<<20) /* A side VFB address enable */
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#define KN02CA_MSR_LASTBANK (0x7<<17) /* onboard RAM bank # */
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/*
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* I/O ASIC System Support Register bits.
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*/
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#define KN03CA_IO_SSR_RES_14 (1<<14) /* unused */
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#define KN03CA_IO_SSR_RES_13 (1<<13) /* unused */
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#define KN03CA_IO_SSR_ISDN_RST (1<<12) /* ~ISDN (Am79C30A) reset */
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#define KN03CA_IO_SSR_FLOPPY_RST (1<<7) /* ~FDC (82077) reset */
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#define KN03CA_IO_SSR_VIDEO_RST (1<<6) /* ~framebuffer reset */
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#define KN03CA_IO_SSR_AB_RST (1<<5) /* ACCESS.bus reset */
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#define KN03CA_IO_SSR_RES_4 (1<<4) /* unused */
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#define KN03CA_IO_SSR_RES_3 (1<<4) /* unused */
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#define KN03CA_IO_SSR_RES_2 (1<<2) /* unused */
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#define KN03CA_IO_SSR_RES_1 (1<<1) /* unused */
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#define KN03CA_IO_SSR_LED (1<<0) /* power LED */
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#endif /* __ASM_MIPS_DEC_KN02CA_H */
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