1/*	$NetBSD: piocreg.h,v 1.1 1997/10/14 19:57:44 mark Exp $	*/
2
3/*
4 * Copyright (c) 1997 Mark Brinicombe.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 *    must display the following acknowledgement:
17 *	This product includes software developed by Mark Brinicombe.
18 * 4. The name of the company nor the name of the author may be used to
19 *    endorse or promote products derived from this software without specific
20 *    prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
23 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
24 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
26 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
27 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 * Peripheral I/O controller registers
35 */
36
37/*
38 *
39 */
40
41#define PIOC_SIZE		(0x1000 + 0x2000)	/* XXX */
42
43/*
44 * I/O registers for managing PIOC configuration
45 */
46
47#define PIOC_CM_SELECT_REG	0x3f0
48#define PIOC_CM_DATA_REG	0x3f1
49
50/*
51 * Bytes to write to the select register to switch in and out for config mode
52 */
53
54#define PIOC_CM_ENTER_665	0x55	/* SMC FDC37GT665 */
55#define PIOC_CM_ENTER_666	0x44	/* SMC FDC37GT666 */
56#define PIOC_CM_EXIT		0xaa
57
58/*
59 * Configuration register selection codes
60 */
61
62#define PIOC_CM_CR0		0x0	/* IDE and floppy setup */
63#define  PIOC_WDC_ENABLE	0x01	/* wdc enable */
64#define  PIOC_FDC_ENABLE	0x10	/* fdc enable */
65#define PIOC_CM_CR1		0x1	/* parallel and serial setup */
66#define  PIOC_LPT_ADDR_MASK	0x03	/* lpt address mask */
67#define  PIOC_LPT_ADDR_DISABLE	0x00	/* lpt disabled */
68#define  PIOC_LPT_ADDR_1	0x01	/* lpt address 1 */
69#define  PIOC_LPT_ADDR_2	0x02	/* lpt address 2 */
70#define  PIOC_LPT_ADDR_3	0x03	/* lpt address 3 */
71#define PIOC_CM_CR2		0x2	/* serial setup */
72#define  PIOC_UART1_ADDR_MASK	0x03	/* uart1 address mask */
73#define  PIOC_UART1_ADDR_COM1	0x00	/* uart1 address com1 */
74#define  PIOC_UART1_ADDR_COM2	0x01	/* uart1 address com2 */
75#define  PIOC_UART1_ADDR_COM3	0x02	/* uart1 address com3 */
76#define  PIOC_UART1_ADDR_COM4	0x03	/* uart1 address com4 */
77#define  PIOC_UART1_ENABLE	0x04	/* uart1 enable */
78#define  PIOC_UART2_ADDR_MASK	0x30	/* uart2 address mask */
79#define  PIOC_UART2_ADDR_COM1	0x00	/* uart2 address com1 */
80#define  PIOC_UART2_ADDR_COM2	0x10	/* uart2 address com2 */
81#define  PIOC_UART2_ADDR_COM3	0x20	/* uart2 address com3 */
82#define  PIOC_UART2_ADDR_COM4	0x30	/* uart2 address com4 */
83#define  PIOC_UART2_ENABLE	0x40	/* uart2 enable */
84#define PIOC_CM_CR3		0x3	/* parallel setup */
85#define PIOC_CM_CR4		0x4	/* parallel and serial extended setup */
86#define PIOC_CM_CR5		0x5	/* floppy & IDE extended setup */
87#define  PIOC_FDC_SECONDARY	0x01	/* fdc secondary address enable */
88#define  PIOC_WDC_SECONDARY	0x02	/* wdc secondary address enable */
89#define PIOC_CM_CR6		0x6	/* floppy drive types */
90#define PIOC_CM_CR7		0x7	/* media ID & boot drive */
91#define PIOC_CM_CR8		0x8	/* PIOC address low */
92#define PIOC_CM_CR9		0x9	/* PIOC address high */
93#define PIOC_CM_CRA		0xa	/* ECP FIFO threshold */
94#define PIOC_CM_CRB		0xb	/* reserved */
95#define PIOC_CM_CRC		0xc	/* reserved */
96#define PIOC_CM_CRD		0xd	/* PIOC ID */
97#define PIOC_CM_CRE		0xe	/* PIOC revision */
98#define PIOC_CM_CRF		0xf	/* reserve for testing */
99#define PIOC_CM_REGS		0x10	/* number of registers */
100
101/*
102 * PIOC ID values
103 */
104
105#define PIOC_CM_ID_665		0x65
106#define PIOC_CM_ID_666		0x66
107
108/*
109 * PIOC offsets
110 */
111
112#define PIOC_FDC_PRIMARY_OFFSET		0x3f0
113#define PIOC_FDC_SECONDARY_OFFSET	0x370
114#define PIOC_WDC_PRIMARY_OFFSET		0x1f0
115#define PIOC_WDC_SECONDARY_OFFSET	0x170
116#define PIOC_LPT1_OFFSET		0x3bc
117#define PIOC_LPT2_OFFSET		0x378
118#define PIOC_LPT3_OFFSET		0x278
119#define PIOC_COM1_OFFSET		0x3f8
120#define PIOC_COM2_OFFSET		0x2f8
121#define PIOC_COM3_OFFSET		0x338
122#define PIOC_COM4_OFFSET		0x238
123
124/* End of piocreg.h */
125