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eisa_eeprom.h
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1 /*
2  * eisa_eeprom.h - provide support for EISA adapters in PA-RISC machines
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License
6  * as published by the Free Software Foundation; either version
7  * 2 of the License, or (at your option) any later version.
8  *
9  * Copyright (c) 2001, 2002 Daniel Engstrom <[email protected]>
10  *
11  */
12 
13 #ifndef ASM_EISA_EEPROM_H
14 #define ASM_EISA_EEPROM_H
15 
16 extern void __iomem *eisa_eeprom_addr;
17 
18 #define HPEE_MAX_LENGTH 0x2000 /* maximum eeprom length */
19 
20 #define HPEE_SLOT_INFO(slot) (20+(48*slot))
21 
23 {
24 
25  u_int32_t num_writes; /* number of writes */
26  u_int8_t flags; /* flags, usage? */
29  u_int8_t num_slots; /* number of EISA slots in system */
30  u_int16_t csum; /* checksum, I don't know how to calculate this */
32 } __attribute__ ((packed));
33 
34 
36 {
43 
44  /* bits 0..3 are the duplicate slot id */
45 #define HPEE_SLOT_INFO_EMBEDDED 0x10
46 #define HPEE_SLOT_INFO_VIRTUAL 0x20
47 #define HPEE_SLOT_INFO_NO_READID 0x40
48 #define HPEE_SLOT_INFO_DUPLICATE 0x80
50 
51 #define HPEE_SLOT_FEATURES_ENABLE 0x01
52 #define HPEE_SLOT_FEATURES_IOCHK 0x02
53 #define HPEE_SLOT_FEATURES_CFG_INCOMPLETE 0x80
55 
58 
59 #define HPEE_FUNCTION_INFO_HAVE_TYPE 0x01
60 #define HPEE_FUNCTION_INFO_HAVE_MEMORY 0x02
61 #define HPEE_FUNCTION_INFO_HAVE_IRQ 0x04
62 #define HPEE_FUNCTION_INFO_HAVE_DMA 0x08
63 #define HPEE_FUNCTION_INFO_HAVE_PORT 0x10
64 #define HPEE_FUNCTION_INFO_HAVE_PORT_INIT 0x20
65 /* I think there are two slighty different
66  * versions of the function_info field
67  * one int the fixed header and one optional
68  * in the parsed slot data area */
69 #define HPEE_FUNCTION_INFO_HAVE_FUNCTION 0x01
70 #define HPEE_FUNCTION_INFO_F_DISABLED 0x80
71 #define HPEE_FUNCTION_INFO_CFG_FREE_FORM 0x40
73 
74 #define HPEE_FLAG_BOARD_IS_ISA 0x01 /* flag and minor version for isa board */
77 } __attribute__ ((packed));
78 
79 
80 #define HPEE_MEMORY_MAX_ENT 9
81 /* memory descriptor: byte 0 */
82 #define HPEE_MEMORY_WRITABLE 0x01
83 #define HPEE_MEMORY_CACHABLE 0x02
84 #define HPEE_MEMORY_TYPE_MASK 0x18
85 #define HPEE_MEMORY_TYPE_SYS 0x00
86 #define HPEE_MEMORY_TYPE_EXP 0x08
87 #define HPEE_MEMORY_TYPE_VIR 0x10
88 #define HPEE_MEMORY_TYPE_OTH 0x18
89 #define HPEE_MEMORY_SHARED 0x20
90 #define HPEE_MEMORY_MORE 0x80
91 
92 /* memory descriptor: byte 1 */
93 #define HPEE_MEMORY_WIDTH_MASK 0x03
94 #define HPEE_MEMORY_WIDTH_BYTE 0x00
95 #define HPEE_MEMORY_WIDTH_WORD 0x01
96 #define HPEE_MEMORY_WIDTH_DWORD 0x02
97 #define HPEE_MEMORY_DECODE_MASK 0x0c
98 #define HPEE_MEMORY_DECODE_20BITS 0x00
99 #define HPEE_MEMORY_DECODE_24BITS 0x04
100 #define HPEE_MEMORY_DECODE_32BITS 0x08
101 /* byte 2 and 3 are a 16bit LE value
102  * containging the memory size in kilobytes */
103 /* byte 4,5,6 are a 24bit LE value
104  * containing the memory base address */
106 
107 #define HPEE_IRQ_MAX_ENT 7
108 /* Interrupt entry: byte 0 */
109 #define HPEE_IRQ_CHANNEL_MASK 0xf
110 #define HPEE_IRQ_TRIG_LEVEL 0x20
111 #define HPEE_IRQ_MORE 0x80
112 /* byte 1 seems to be unused */
114 #define HPEE_DMA_MAX_ENT 4
116 /* dma entry: byte 0 */
117 #define HPEE_DMA_CHANNEL_MASK 7
118 #define HPEE_DMA_SIZE_MASK 0xc
119 #define HPEE_DMA_SIZE_BYTE 0x0
120 #define HPEE_DMA_SIZE_WORD 0x4
121 #define HPEE_DMA_SIZE_DWORD 0x8
122 #define HPEE_DMA_SHARED 0x40
123 #define HPEE_DMA_MORE 0x80
124 
125 /* dma entry: byte 1 */
126 #define HPEE_DMA_TIMING_MASK 0x30
127 #define HPEE_DMA_TIMING_ISA 0x0
128 #define HPEE_DMA_TIMING_TYPEA 0x10
129 #define HPEE_DMA_TIMING_TYPEB 0x20
130 #define HPEE_DMA_TIMING_TYPEC 0x30
131 
132 #define HPEE_PORT_MAX_ENT 20
133 /* port entry byte 0 */
134 #define HPEE_PORT_SIZE_MASK 0x1f
135 #define HPEE_PORT_SHARED 0x40
136 #define HPEE_PORT_MORE 0x80
137 /* byte 1 and 2 is a 16bit LE value
138  * conating the start port number */
139 
140 #define HPEE_PORT_INIT_MAX_LEN 60 /* in bytes here */
141 /* port init entry byte 0 */
142 #define HPEE_PORT_INIT_WIDTH_MASK 0x3
143 #define HPEE_PORT_INIT_WIDTH_BYTE 0x0
144 #define HPEE_PORT_INIT_WIDTH_WORD 0x1
145 #define HPEE_PORT_INIT_WIDTH_DWORD 0x2
146 #define HPEE_PORT_INIT_MASK 0x4
147 #define HPEE_PORT_INIT_MORE 0x80
148 
149 #define HPEE_SELECTION_MAX_ENT 26
150 
151 #define HPEE_TYPE_MAX_LEN 80
152 
153 #endif