xref: /OK3568_Linux_fs/kernel/arch/mips/include/asm/dec/kn02ca.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  *	include/asm-mips/dec/kn02ca.h
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  *	Personal DECstation 5000/xx (Maxine or KN02-CA) definitions.
6*4882a593Smuzhiyun  *
7*4882a593Smuzhiyun  *	Copyright (C) 2002, 2003  Maciej W. Rozycki
8*4882a593Smuzhiyun  */
9*4882a593Smuzhiyun #ifndef __ASM_MIPS_DEC_KN02CA_H
10*4882a593Smuzhiyun #define __ASM_MIPS_DEC_KN02CA_H
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun #include <asm/dec/kn02xa.h>		/* For common definitions. */
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun /*
15*4882a593Smuzhiyun  * CPU interrupt bits.
16*4882a593Smuzhiyun  */
17*4882a593Smuzhiyun #define KN02CA_CPU_INR_HALT	6	/* HALT from ACCESS.Bus */
18*4882a593Smuzhiyun #define KN02CA_CPU_INR_CASCADE	5	/* I/O ASIC cascade */
19*4882a593Smuzhiyun #define KN02CA_CPU_INR_BUS	4	/* memory, I/O bus read/write errors */
20*4882a593Smuzhiyun #define KN02CA_CPU_INR_RTC	3	/* DS1287 RTC */
21*4882a593Smuzhiyun #define KN02CA_CPU_INR_TIMER	2	/* ARC periodic timer */
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun /*
24*4882a593Smuzhiyun  * I/O ASIC interrupt bits.  Star marks denote non-IRQ status bits.
25*4882a593Smuzhiyun  */
26*4882a593Smuzhiyun #define KN02CA_IO_INR_FLOPPY	15	/* 82077 FDC */
27*4882a593Smuzhiyun #define KN02CA_IO_INR_NVRAM	14	/* (*) NVRAM clear jumper */
28*4882a593Smuzhiyun #define KN02CA_IO_INR_POWERON	13	/* (*) ACCESS.Bus/power-on reset */
29*4882a593Smuzhiyun #define KN02CA_IO_INR_TC0	12	/* TURBOchannel slot #0 */
30*4882a593Smuzhiyun #define KN02CA_IO_INR_TIMER	12	/* ARC periodic timer (?) */
31*4882a593Smuzhiyun #define KN02CA_IO_INR_ISDN	11	/* Am79C30A ISDN */
32*4882a593Smuzhiyun #define KN02CA_IO_INR_NRMOD	10	/* (*) NRMOD manufacturing jumper */
33*4882a593Smuzhiyun #define KN02CA_IO_INR_ASC	9	/* ASC (NCR53C94) SCSI */
34*4882a593Smuzhiyun #define KN02CA_IO_INR_LANCE	8	/* LANCE (Am7990) Ethernet */
35*4882a593Smuzhiyun #define KN02CA_IO_INR_HDFLOPPY	7	/* (*) HD (1.44MB) floppy status */
36*4882a593Smuzhiyun #define KN02CA_IO_INR_SCC0	6	/* SCC (Z85C30) serial #0 */
37*4882a593Smuzhiyun #define KN02CA_IO_INR_TC1	5	/* TURBOchannel slot #1 */
38*4882a593Smuzhiyun #define KN02CA_IO_INR_XDFLOPPY	4	/* (*) XD (2.88MB) floppy status */
39*4882a593Smuzhiyun #define KN02CA_IO_INR_VIDEO	3	/* framebuffer */
40*4882a593Smuzhiyun #define KN02CA_IO_INR_XVIDEO	2	/* ~framebuffer */
41*4882a593Smuzhiyun #define KN02CA_IO_INR_AB_XMIT	1	/* ACCESS.bus transmit */
42*4882a593Smuzhiyun #define KN02CA_IO_INR_AB_RECV	0	/* ACCESS.bus receive */
43*4882a593Smuzhiyun 
44*4882a593Smuzhiyun 
45*4882a593Smuzhiyun /*
46*4882a593Smuzhiyun  * Memory Error Register bits.
47*4882a593Smuzhiyun  */
48*4882a593Smuzhiyun #define KN02CA_MER_INTR		(1<<27)		/* ARC IRQ status & ack */
49*4882a593Smuzhiyun 
50*4882a593Smuzhiyun /*
51*4882a593Smuzhiyun  * Memory Size Register bits.
52*4882a593Smuzhiyun  */
53*4882a593Smuzhiyun #define KN02CA_MSR_INTREN	(1<<26)		/* ARC periodic IRQ enable */
54*4882a593Smuzhiyun #define KN02CA_MSR_MS10EN	(1<<25)		/* 10/1ms IRQ period select */
55*4882a593Smuzhiyun #define KN02CA_MSR_PFORCE	(0xf<<21)	/* byte lane error force */
56*4882a593Smuzhiyun #define KN02CA_MSR_MABEN	(1<<20)		/* A side VFB address enable */
57*4882a593Smuzhiyun #define KN02CA_MSR_LASTBANK	(0x7<<17)	/* onboard RAM bank # */
58*4882a593Smuzhiyun 
59*4882a593Smuzhiyun /*
60*4882a593Smuzhiyun  * I/O ASIC System Support Register bits.
61*4882a593Smuzhiyun  */
62*4882a593Smuzhiyun #define KN03CA_IO_SSR_RES_14	(1<<14)		/* unused */
63*4882a593Smuzhiyun #define KN03CA_IO_SSR_RES_13	(1<<13)		/* unused */
64*4882a593Smuzhiyun #define KN03CA_IO_SSR_ISDN_RST	(1<<12)		/* ~ISDN (Am79C30A) reset */
65*4882a593Smuzhiyun 
66*4882a593Smuzhiyun #define KN03CA_IO_SSR_FLOPPY_RST (1<<7)		/* ~FDC (82077) reset */
67*4882a593Smuzhiyun #define KN03CA_IO_SSR_VIDEO_RST	(1<<6)		/* ~framebuffer reset */
68*4882a593Smuzhiyun #define KN03CA_IO_SSR_AB_RST	(1<<5)		/* ACCESS.bus reset */
69*4882a593Smuzhiyun #define KN03CA_IO_SSR_RES_4	(1<<4)		/* unused */
70*4882a593Smuzhiyun #define KN03CA_IO_SSR_RES_3	(1<<4)		/* unused */
71*4882a593Smuzhiyun #define KN03CA_IO_SSR_RES_2	(1<<2)		/* unused */
72*4882a593Smuzhiyun #define KN03CA_IO_SSR_RES_1	(1<<1)		/* unused */
73*4882a593Smuzhiyun #define KN03CA_IO_SSR_LED	(1<<0)		/* power LED */
74*4882a593Smuzhiyun 
75*4882a593Smuzhiyun #endif /* __ASM_MIPS_DEC_KN02CA_H */
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