2
* eisa_eeprom.h - provide support for EISA adapters in PA-RISC machines
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.
9
* Copyright (c) 2001, 2002 Daniel Engstrom <5116@telia.com>
13
#ifndef ASM_EISA_EEPROM_H
14
#define ASM_EISA_EEPROM_H
16
extern void __iomem *eisa_eeprom_addr;
18
#define HPEE_MAX_LENGTH 0x2000 /* maximum eeprom length */
20
#define HPEE_SLOT_INFO(slot) (20+(48*slot))
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));
35
struct eeprom_eisa_slot_info
37
u_int32_t eisa_slot_id;
38
u_int32_t config_data_offset;
41
u_int16_t num_functions;
42
u_int16_t config_data_length;
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
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;
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;
74
#define HPEE_FLAG_BOARD_IS_ISA 0x01 /* flag and minor version for isa board */
77
} __attribute__ ((packed));
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
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 */
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
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
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 */
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
149
#define HPEE_SELECTION_MAX_ENT 26
151
#define HPEE_TYPE_MAX_LEN 80