blob: 92c0fe2560997e901908eac961e8b27d34097f46 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * include/asm-mips/dec/kn02ca.h
3 *
4 * Personal DECstation 5000/xx (Maxine or KN02-CA) definitions.
5 *
6 * Copyright (C) 2002, 2003 Maciej W. Rozycki
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * as published by the Free Software Foundation; either version
11 * 2 of the License, or (at your option) any later version.
12 */
13#ifndef __ASM_MIPS_DEC_KN02CA_H
14#define __ASM_MIPS_DEC_KN02CA_H
15
16#include <asm/dec/kn02xa.h> /* For common definitions. */
17
18/*
19 * CPU interrupt bits.
20 */
21#define KN02CA_CPU_INR_HALT 6 /* HALT from ACCESS.Bus */
22#define KN02CA_CPU_INR_CASCADE 5 /* I/O ASIC cascade */
23#define KN02CA_CPU_INR_BUS 4 /* memory, I/O bus read/write errors */
24#define KN02CA_CPU_INR_RTC 3 /* DS1287 RTC */
25#define KN02CA_CPU_INR_TIMER 2 /* ARC periodic timer */
26
27/*
28 * I/O ASIC interrupt bits. Star marks denote non-IRQ status bits.
29 */
30#define KN02CA_IO_INR_FLOPPY 15 /* 82077 FDC */
31#define KN02CA_IO_INR_NVRAM 14 /* (*) NVRAM clear jumper */
32#define KN02CA_IO_INR_POWERON 13 /* (*) ACCESS.Bus/power-on reset */
33#define KN02CA_IO_INR_TC0 12 /* TURBOchannel slot #0 */
34#define KN02CA_IO_INR_TIMER 12 /* ARC periodic timer (?) */
35#define KN02CA_IO_INR_ISDN 11 /* Am79C30A ISDN */
36#define KN02CA_IO_INR_NRMOD 10 /* (*) NRMOD manufacturing jumper */
37#define KN02CA_IO_INR_ASC 9 /* ASC (NCR53C94) SCSI */
38#define KN02CA_IO_INR_LANCE 8 /* LANCE (Am7990) Ethernet */
39#define KN02CA_IO_INR_HDFLOPPY 7 /* (*) HD (1.44MB) floppy status */
40#define KN02CA_IO_INR_SCC0 6 /* SCC (Z85C30) serial #0 */
41#define KN02CA_IO_INR_TC1 5 /* TURBOchannel slot #1 */
42#define KN02CA_IO_INR_XDFLOPPY 4 /* (*) XD (2.88MB) floppy status */
43#define KN02CA_IO_INR_VIDEO 3 /* framebuffer */
44#define KN02CA_IO_INR_XVIDEO 2 /* ~framebuffer */
45#define KN02CA_IO_INR_AB_XMIT 1 /* ACCESS.bus transmit */
46#define KN02CA_IO_INR_AB_RECV 0 /* ACCESS.bus receive */
47
48
49/*
50 * Memory Error Register bits.
51 */
52#define KN02CA_MER_INTR (1<<27) /* ARC IRQ status & ack */
53
54/*
55 * Memory Size Register bits.
56 */
57#define KN02CA_MSR_INTREN (1<<26) /* ARC periodic IRQ enable */
58#define KN02CA_MSR_MS10EN (1<<25) /* 10/1ms IRQ period select */
59#define KN02CA_MSR_PFORCE (0xf<<21) /* byte lane error force */
60#define KN02CA_MSR_MABEN (1<<20) /* A side VFB address enable */
61#define KN02CA_MSR_LASTBANK (0x7<<17) /* onboard RAM bank # */
62
63/*
64 * I/O ASIC System Support Register bits.
65 */
66#define KN03CA_IO_SSR_RES_14 (1<<14) /* unused */
67#define KN03CA_IO_SSR_RES_13 (1<<13) /* unused */
68#define KN03CA_IO_SSR_ISDN_RST (1<<12) /* ~ISDN (Am79C30A) reset */
69
70#define KN03CA_IO_SSR_FLOPPY_RST (1<<7) /* ~FDC (82077) reset */
71#define KN03CA_IO_SSR_VIDEO_RST (1<<6) /* ~framebuffer reset */
72#define KN03CA_IO_SSR_AB_RST (1<<5) /* ACCESS.bus reset */
73#define KN03CA_IO_SSR_RES_4 (1<<4) /* unused */
74#define KN03CA_IO_SSR_RES_3 (1<<4) /* unused */
75#define KN03CA_IO_SSR_RES_2 (1<<2) /* unused */
76#define KN03CA_IO_SSR_RES_1 (1<<1) /* unused */
77#define KN03CA_IO_SSR_LED (1<<0) /* power LED */
78
79#endif /* __ASM_MIPS_DEC_KN02CA_H */