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pica.h
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1 /* gxemul: $Id: pica.h,v 1.3 2005-03-05 12:34:03 debug Exp $ */
2 /* $NetBSD: pica.h,v 1.2 2001/06/13 15:11:38 soda Exp $ */
3 /* $OpenBSD: pica.h,v 1.4 1996/09/14 15:58:28 pefo Exp $ */
4 
5 #ifndef _PICA_H_
6 #define _PICA_H_ 1
7 
8 #define RELATIVE
9 
10 /*
11  * Copyright (c) 1994, 1995, 1996 Per Fogelstrom
12  *
13  * Redistribution and use in source and binary forms, with or without
14  * modification, are permitted provided that the following conditions
15  * are met:
16  * 1. Redistributions of source code must retain the above copyright
17  * notice, this list of conditions and the following disclaimer.
18  * 2. Redistributions in binary form must reproduce the above copyright
19  * notice, this list of conditions and the following disclaimer in the
20  * documentation and/or other materials provided with the distribution.
21  * 3. All advertising materials mentioning features or use of this software
22  * must display the following acknowledgement:
23  * This product includes software developed under OpenBSD by
24  * Per Fogelstrom.
25  * 4. The name of the author may not be used to endorse or promote products
26  * derived from this software without specific prior written permission.
27  *
28  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
29  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
30  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
32  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38  * SUCH DAMAGE.
39  *
40  */
41 
42 /*
43  * PICA's Physical address space
44  */
45 
46 #define PICA_PHYS_MIN 0x00000000 /* 256 Meg */
47 #define PICA_PHYS_MAX 0x0fffffff
48 
49 /*
50  * Memory map
51  */
52 
53 #define PICA_PHYS_MEMORY_START 0x00000000
54 #define PICA_PHYS_MEMORY_END 0x0fffffff /* 256 Meg in 8 slots */
55 
56 #define PICA_MEMORY_SIZE_REG 0xe00fffe0 /* Memory size register */
57 #define PICA_CONFIG_REG 0xe00ffff0 /* Hardware config reg */
58 
59 /*
60  * I/O map
61  */
62 
63 #define R4030_P_LOCAL_IO_BASE 0x80000000 /* I/O Base address */
64 #define R4030_V_LOCAL_IO_BASE 0xe0000000
65 #define R4030_S_LOCAL_IO_BASE 0x00040000 /* Size */
66 #ifndef RELATIVE
67 #define R4030 R4030_V_LOCAL_IO_BASE
68 #else
69 #define R4030 0
70 #endif
71 
72 #define R4030_SYS_CONFIG (R4030+0x0000) /* Global config register */
73 #define R4030_SYS_TL_BASE (R4030+0x0018) /* DMA transl. table base */
74 #define R4030_SYS_TL_LIMIT (R4030+0x0020) /* DMA transl. table limit */
75 #define R4030_SYS_TL_IVALID (R4030+0x0028) /* DMA transl. cache inval */
76 #define R4030_SYS_DMA0_REGS (R4030+0x0100) /* DMA ch0 base address */
77 #define R4030_SYS_DMA1_REGS (R4030+0x0120) /* DMA ch0 base address */
78 #define R4030_SYS_DMA2_REGS (R4030+0x0140) /* DMA ch0 base address */
79 #define R4030_SYS_DMA3_REGS (R4030+0x0160) /* DMA ch0 base address */
80 #define R4030_SYS_DMA_INT_SRC (R4030+0x0200) /* DMA int source status reg */
81 #define R4030_SYS_NVRAM_PROT (R4030+0x0220) /* NV ram protect register */
82 #define R4030_SYS_IT_VALUE (R4030+0x0228) /* Interval timer reload */
83 #define R4030_SYS_IT_STAT (R4030+0x0230) /* Interval timer count */
84 #define R4030_SYS_ISA_VECTOR (R4030+0x0238) /* ISA Interrupt vector */
85 #define R4030_SYS_EXT_IMASK (R4030+0x00e8) /* External int enable mask */
86 
87 #ifndef RELATIVE
88 #define PVLB R4030_V_LOCAL_IO_BASE
89 #else
90 #define PVLB 0
91 #endif
92 
93 #define PICA_SYS_SONIC (PVLB+0x1000) /* SONIC base address */
94 #define PICA_SYS_SCSI (PVLB+0x2000) /* SCSI base address */
95 #define PICA_SYS_FLOPPY (PVLB+0x3000) /* Floppy base address */
96 #define PICA_SYS_CLOCK (PVLB+0x4000) /* Clock base address */
97 #define PICA_SYS_KBD (PVLB+0x5000) /* Keybrd/mouse base address */
98 #define PICA_SYS_COM1 (PVLB+0x6000) /* Com port 1 */
99 #define PICA_SYS_COM2 (PVLB+0x7000) /* Com port 2 */
100 #define PICA_SYS_PAR1 (PVLB+0x8000) /* Parallel port 1 */
101 #define PICA_SYS_NVRAM (PVLB+0x9000) /* Unprotected NV-ram */
102 #define PICA_SYS_PNVRAM (PVLB+0xa000) /* Protected NV-ram */
103 #define PICA_SYS_NVPROM (PVLB+0xb000) /* Read only NV-ram */
104 #define PICA_SYS_SOUND (PVLB+0xc000) /* Sound port */
105 
106 #define PICA_SYS_ISA_AS (PICA_V_ISA_IO+0x70)
107 
108 #define PICA_P_DRAM_CONF 0x800e0000 /* Dram config registers */
109 #define PICA_V_DRAM_CONF 0xe00e0000
110 #define PICA_S_DRAM_CONF 0x00020000
111 
112 #define PICA_P_INT_SOURCE 0xf0000000 /* Interrupt src registers */
113 #define PICA_V_INT_SOURCE R4030_V_LOCAL_IO_BASE+R4030_S_LOCAL_IO_BASE
114 #define PICA_S_INT_SOURCE 0x00001000
115 #define PVIS PICA_V_INT_SOURCE
116 #define PICA_SYS_LB_IS (PVIS+0x0000) /* Local bus int source */
117 #define PICA_SYS_LB_IE (PVIS+0x0002) /* Local bus int enables */
118 
119 #define PICA_P_LOCAL_VIDEO_CTRL 0x60000000 /* Local video control */
120 #define PICA_V_LOCAL_VIDEO_CTRL 0xe0200000
121 #define PICA_S_LOCAL_VIDEO_CTRL 0x00200000
122 
123 #define PICA_P_EXTND_VIDEO_CTRL 0x60200000 /* Extended video control */
124 #define PICA_V_EXTND_VIDEO_CTRL 0xe0400000
125 #define PICA_S_EXTND_VIDEO_CTRL 0x00200000
126 
127 #define PICA_P_LOCAL_VIDEO 0x40000000 /* Local video memory */
128 #define PICA_V_LOCAL_VIDEO 0xe0800000
129 #define PICA_S_LOCAL_VIDEO 0x00800000
130 
131 #define PICA_P_ISA_IO 0x90000000 /* ISA I/O control */
132 #define PICA_V_ISA_IO 0xe2000000
133 #define PICA_S_ISA_IO 0x01000000
134 
135 #define PICA_P_ISA_MEM 0x91000000 /* ISA Memory control */
136 #define PICA_V_ISA_MEM 0xe3000000
137 #define PICA_S_ISA_MEM 0x01000000
138 
139 /*
140  * Addresses used by various display drivers.
141  */
142 #define PICA_MONO_BASE (PICA_V_LOCAL_VIDEO_CTRL + 0x3B4)
143 #define PICA_MONO_BUF (PICA_V_LOCAL_VIDEO + 0xB0000)
144 #define PICA_CGA_BASE (PICA_V_LOCAL_VIDEO_CTRL + 0x3D4)
145 #define PICA_CGA_BUF (PICA_V_LOCAL_VIDEO + 0xB8000)
146 
147 #endif /* _PICA_H_ */

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