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1/*
2 * Hardware info about DECstation DS2100/3100 systems (otherwise known as
3 * pmin/pmax or KN01).
4 *
5 * This file is subject to the terms and conditions of the GNU General Public
6 * License. See the file "COPYING" in the main directory of this archive
7 * for more details.
8 *
9 * Copyright (C) 1995,1996 by Paul M. Antoine, some code and definitions
10 * are by courtesy of Chris Fraser.
11 * Copyright (C) 2002, 2003 Maciej W. Rozycki
12 */
13#ifndef __ASM_MIPS_DEC_KN01_H
14#define __ASM_MIPS_DEC_KN01_H
15
16#include <asm/addrspace.h>
17
18#define KN01_SLOT_BASE KSEG1ADDR(0x10000000)
19#define KN01_SLOT_SIZE 0x01000000
20
21/*
22 * Address ranges for devices.
23 */
24#define KN01_PMASK (0*KN01_SLOT_SIZE) /* color plane mask */
25#define KN01_PCC (1*KN01_SLOT_SIZE) /* PCC (DC503) cursor */
26#define KN01_VDAC (2*KN01_SLOT_SIZE) /* color map */
27#define KN01_RES_3 (3*KN01_SLOT_SIZE) /* unused */
28#define KN01_RES_4 (4*KN01_SLOT_SIZE) /* unused */
29#define KN01_RES_5 (5*KN01_SLOT_SIZE) /* unused */
30#define KN01_RES_6 (6*KN01_SLOT_SIZE) /* unused */
31#define KN01_ERRADDR (7*KN01_SLOT_SIZE) /* write error address */
32#define KN01_LANCE (8*KN01_SLOT_SIZE) /* LANCE (Am7990) Ethernet */
33#define KN01_LANCE_MEM (9*KN01_SLOT_SIZE) /* LANCE buffer memory */
34#define KN01_SII (10*KN01_SLOT_SIZE) /* SII (DC7061) SCSI */
35#define KN01_SII_MEM (11*KN01_SLOT_SIZE) /* SII buffer memory */
36#define KN01_DZ11 (12*KN01_SLOT_SIZE) /* DZ11 (DC7085) serial */
37#define KN01_RTC (13*KN01_SLOT_SIZE) /* DS1287 RTC (bytes #0) */
38#define KN01_ESAR (13*KN01_SLOT_SIZE) /* MAC address (bytes #1) */
39#define KN01_CSR (14*KN01_SLOT_SIZE) /* system ctrl & status reg */
40#define KN01_SYS_ROM (15*KN01_SLOT_SIZE) /* system board ROM */
41
42
43/*
44 * Some port addresses...
45 */
46#define KN01_LANCE_BASE (KN01_SLOT_BASE + KN01_LANCE) /* 0xB8000000 */
47#define KN01_DZ11_BASE (KN01_SLOT_BASE + KN01_DZ11) /* 0xBC000000 */
48#define KN01_RTC_BASE (KN01_SLOT_BASE + KN01_RTC) /* 0xBD000000 */
49
50
51/*
52 * Frame buffer memory address.
53 */
54#define KN01_VFB_MEM KSEG1ADDR(0x0fc00000)
55
56/*
57 * CPU interrupt bits.
58 */
59#define KN01_CPU_INR_BUS 6 /* memory, I/O bus read/write errors */
60#define KN01_CPU_INR_VIDEO 6 /* PCC area detect #2 */
61#define KN01_CPU_INR_RTC 5 /* DS1287 RTC */
62#define KN01_CPU_INR_DZ11 4 /* DZ11 (DC7085) serial */
63#define KN01_CPU_INR_LANCE 3 /* LANCE (Am7990) Ethernet */
64#define KN01_CPU_INR_SII 2 /* SII (DC7061) SCSI */
65
66
67/*
68 * System Control & Status Register bits.
69 */
70#define KN01_CSR_MNFMOD (1<<15) /* MNFMOD manufacturing jumper */
71#define KN01_CSR_STATUS (1<<14) /* self-test result status output */
72#define KN01_CSR_PARDIS (1<<13) /* parity error disable */
73#define KN01_CSR_CRSRTST (1<<12) /* PCC test output */
74#define KN01_CSR_MONO (1<<11) /* mono/color fb SIMM installed */
75#define KN01_CSR_MEMERR (1<<10) /* write timeout error status & ack*/
76#define KN01_CSR_VINT (1<<9) /* PCC area detect #2 status & ack */
77#define KN01_CSR_TXDIS (1<<8) /* DZ11 transmit disable */
78#define KN01_CSR_VBGTRG (1<<2) /* blue DAC voltage over green (r/o) */
79#define KN01_CSR_VRGTRG (1<<1) /* red DAC voltage over green (r/o) */
80#define KN01_CSR_VRGTRB (1<<0) /* red DAC voltage over blue (r/o) */
81#define KN01_CSR_LEDS (0xff<<0) /* ~diagnostic LEDs (w/o) */
82
83#endif /* __ASM_MIPS_DEC_KN01_H */