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1da177e4 LT |
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 <5116@telia.com> | |
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 | ||
22 | struct eeprom_header | |
23 | { | |
24 | ||
25 | u_int32_t num_writes; /* number of writes */ | |
26 | u_int8_t flags; /* flags, usage? */ | |
27 | u_int8_t ver_maj; | |
28 | u_int8_t ver_min; | |
29 | u_int8_t num_slots; /* number of EISA slots in system */ | |
30 | u_int16_t csum; /* checksum, I don't know how to calulate this */ | |
31 | u_int8_t pad[10]; | |
32 | } __attribute__ ((packed)); | |
33 | ||
34 | ||
35 | struct eeprom_eisa_slot_info | |
36 | { | |
37 | u_int32_t eisa_slot_id; | |
38 | u_int32_t config_data_offset; | |
39 | u_int32_t num_writes; | |
40 | u_int16_t csum; | |
41 | u_int16_t num_functions; | |
42 | u_int16_t config_data_length; | |
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 | |
49 | u_int8_t slot_info; | |
50 | ||
51 | #define HPEE_SLOT_FEATURES_ENABLE 0x01 | |
52 | #define HPEE_SLOT_FEATURES_IOCHK 0x02 | |
53 | #define HPEE_SLOT_FEATURES_CFG_INCOMPLETE 0x80 | |
54 | u_int8_t slot_features; | |
55 | ||
56 | u_int8_t ver_min; | |
57 | u_int8_t ver_maj; | |
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 | |
72 | u_int8_t function_info; | |
73 | ||
74 | #define HPEE_FLAG_BOARD_IS_ISA 0x01 /* flag and minor version for isa board */ | |
75 | u_int8_t flags; | |
76 | u_int8_t pad[24]; | |
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 */ | |
105 | ||
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 */ | |
113 | ||
114 | #define HPEE_DMA_MAX_ENT 4 | |
115 | ||
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 |