xref: /openbmc/linux/arch/mips/include/asm/dec/kn02ba.h (revision fb574682)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  *	include/asm-mips/dec/kn02ba.h
4  *
5  *	DECstation 5000/1xx (3min or KN02-BA) definitions.
6  *
7  *	Copyright (C) 2002, 2003  Maciej W. Rozycki
8  */
9 #ifndef __ASM_MIPS_DEC_KN02BA_H
10 #define __ASM_MIPS_DEC_KN02BA_H
11 
12 #include <asm/dec/kn02xa.h>		/* For common definitions. */
13 
14 /*
15  * CPU interrupt bits.
16  */
17 #define KN02BA_CPU_INR_HALT	6	/* HALT button */
18 #define KN02BA_CPU_INR_CASCADE	5	/* I/O ASIC cascade */
19 #define KN02BA_CPU_INR_TC2	4	/* TURBOchannel slot #2 */
20 #define KN02BA_CPU_INR_TC1	3	/* TURBOchannel slot #1 */
21 #define KN02BA_CPU_INR_TC0	2	/* TURBOchannel slot #0 */
22 
23 /*
24  * I/O ASIC interrupt bits.  Star marks denote non-IRQ status bits.
25  */
26 #define KN02BA_IO_INR_RES_15	15	/* unused */
27 #define KN02BA_IO_INR_NVRAM	14	/* (*) NVRAM clear jumper */
28 #define KN02BA_IO_INR_RES_13	13	/* unused */
29 #define KN02BA_IO_INR_BUS	12	/* memory, I/O bus read/write errors */
30 #define KN02BA_IO_INR_RES_11	11	/* unused */
31 #define KN02BA_IO_INR_NRMOD	10	/* (*) NRMOD manufacturing jumper */
32 #define KN02BA_IO_INR_ASC	9	/* ASC (NCR53C94) SCSI */
33 #define KN02BA_IO_INR_LANCE	8	/* LANCE (Am7990) Ethernet */
34 #define KN02BA_IO_INR_SCC1	7	/* SCC (Z85C30) serial #1 */
35 #define KN02BA_IO_INR_SCC0	6	/* SCC (Z85C30) serial #0 */
36 #define KN02BA_IO_INR_RTC	5	/* DS1287 RTC */
37 #define KN02BA_IO_INR_PSU	4	/* power supply unit warning */
38 #define KN02BA_IO_INR_RES_3	3	/* unused */
39 #define KN02BA_IO_INR_ASC_DATA	2	/* SCSI data ready (for PIO) */
40 #define KN02BA_IO_INR_PBNC	1	/* ~HALT button debouncer */
41 #define KN02BA_IO_INR_PBNO	0	/* HALT button debouncer */
42 
43 
44 /*
45  * Memory Error Register bits.
46  */
47 #define KN02BA_MER_RES_27	(1<<27)		/* unused */
48 
49 /*
50  * Memory Size Register bits.
51  */
52 #define KN02BA_MSR_RES_17	(0x3ff<<17)	/* unused */
53 
54 /*
55  * I/O ASIC System Support Register bits.
56  */
57 #define KN02BA_IO_SSR_TXDIS1	(1<<14)		/* SCC1 transmit disable */
58 #define KN02BA_IO_SSR_TXDIS0	(1<<13)		/* SCC0 transmit disable */
59 #define KN02BA_IO_SSR_RES_12	(1<<12)		/* unused */
60 
61 #define KN02BA_IO_SSR_LEDS	(0xff<<0)	/* ~diagnostic LEDs */
62 
63 #endif /* __ASM_MIPS_DEC_KN02BA_H */
64