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2874c5fd | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
1da177e4 LT |
2 | /* |
3 | * eisa_eeprom.h - provide support for EISA adapters in PA-RISC machines | |
4 | * | |
1da177e4 | 5 | * Copyright (c) 2001, 2002 Daniel Engstrom <5116@telia.com> |
1da177e4 LT |
6 | */ |
7 | ||
8 | #ifndef ASM_EISA_EEPROM_H | |
9 | #define ASM_EISA_EEPROM_H | |
10 | ||
11 | extern void __iomem *eisa_eeprom_addr; | |
12 | ||
13 | #define HPEE_MAX_LENGTH 0x2000 /* maximum eeprom length */ | |
14 | ||
15 | #define HPEE_SLOT_INFO(slot) (20+(48*slot)) | |
16 | ||
17 | struct eeprom_header | |
18 | { | |
19 | ||
20 | u_int32_t num_writes; /* number of writes */ | |
21 | u_int8_t flags; /* flags, usage? */ | |
22 | u_int8_t ver_maj; | |
23 | u_int8_t ver_min; | |
24 | u_int8_t num_slots; /* number of EISA slots in system */ | |
25985edc | 25 | u_int16_t csum; /* checksum, I don't know how to calculate this */ |
1da177e4 LT |
26 | u_int8_t pad[10]; |
27 | } __attribute__ ((packed)); | |
28 | ||
29 | ||
30 | struct eeprom_eisa_slot_info | |
31 | { | |
32 | u_int32_t eisa_slot_id; | |
33 | u_int32_t config_data_offset; | |
34 | u_int32_t num_writes; | |
35 | u_int16_t csum; | |
36 | u_int16_t num_functions; | |
37 | u_int16_t config_data_length; | |
38 | ||
39 | /* bits 0..3 are the duplicate slot id */ | |
40 | #define HPEE_SLOT_INFO_EMBEDDED 0x10 | |
41 | #define HPEE_SLOT_INFO_VIRTUAL 0x20 | |
42 | #define HPEE_SLOT_INFO_NO_READID 0x40 | |
43 | #define HPEE_SLOT_INFO_DUPLICATE 0x80 | |
44 | u_int8_t slot_info; | |
45 | ||
46 | #define HPEE_SLOT_FEATURES_ENABLE 0x01 | |
47 | #define HPEE_SLOT_FEATURES_IOCHK 0x02 | |
48 | #define HPEE_SLOT_FEATURES_CFG_INCOMPLETE 0x80 | |
49 | u_int8_t slot_features; | |
50 | ||
51 | u_int8_t ver_min; | |
52 | u_int8_t ver_maj; | |
53 | ||
54 | #define HPEE_FUNCTION_INFO_HAVE_TYPE 0x01 | |
55 | #define HPEE_FUNCTION_INFO_HAVE_MEMORY 0x02 | |
56 | #define HPEE_FUNCTION_INFO_HAVE_IRQ 0x04 | |
57 | #define HPEE_FUNCTION_INFO_HAVE_DMA 0x08 | |
58 | #define HPEE_FUNCTION_INFO_HAVE_PORT 0x10 | |
59 | #define HPEE_FUNCTION_INFO_HAVE_PORT_INIT 0x20 | |
60 | /* I think there are two slighty different | |
61 | * versions of the function_info field | |
62 | * one int the fixed header and one optional | |
63 | * in the parsed slot data area */ | |
64 | #define HPEE_FUNCTION_INFO_HAVE_FUNCTION 0x01 | |
65 | #define HPEE_FUNCTION_INFO_F_DISABLED 0x80 | |
66 | #define HPEE_FUNCTION_INFO_CFG_FREE_FORM 0x40 | |
67 | u_int8_t function_info; | |
68 | ||
69 | #define HPEE_FLAG_BOARD_IS_ISA 0x01 /* flag and minor version for isa board */ | |
70 | u_int8_t flags; | |
71 | u_int8_t pad[24]; | |
72 | } __attribute__ ((packed)); | |
73 | ||
74 | ||
75 | #define HPEE_MEMORY_MAX_ENT 9 | |
76 | /* memory descriptor: byte 0 */ | |
77 | #define HPEE_MEMORY_WRITABLE 0x01 | |
78 | #define HPEE_MEMORY_CACHABLE 0x02 | |
79 | #define HPEE_MEMORY_TYPE_MASK 0x18 | |
80 | #define HPEE_MEMORY_TYPE_SYS 0x00 | |
81 | #define HPEE_MEMORY_TYPE_EXP 0x08 | |
82 | #define HPEE_MEMORY_TYPE_VIR 0x10 | |
83 | #define HPEE_MEMORY_TYPE_OTH 0x18 | |
84 | #define HPEE_MEMORY_SHARED 0x20 | |
85 | #define HPEE_MEMORY_MORE 0x80 | |
86 | ||
87 | /* memory descriptor: byte 1 */ | |
88 | #define HPEE_MEMORY_WIDTH_MASK 0x03 | |
89 | #define HPEE_MEMORY_WIDTH_BYTE 0x00 | |
90 | #define HPEE_MEMORY_WIDTH_WORD 0x01 | |
91 | #define HPEE_MEMORY_WIDTH_DWORD 0x02 | |
92 | #define HPEE_MEMORY_DECODE_MASK 0x0c | |
93 | #define HPEE_MEMORY_DECODE_20BITS 0x00 | |
94 | #define HPEE_MEMORY_DECODE_24BITS 0x04 | |
95 | #define HPEE_MEMORY_DECODE_32BITS 0x08 | |
96 | /* byte 2 and 3 are a 16bit LE value | |
1a2a0f78 | 97 | * containing the memory size in kilobytes */ |
1da177e4 LT |
98 | /* byte 4,5,6 are a 24bit LE value |
99 | * containing the memory base address */ | |
100 | ||
101 | ||
102 | #define HPEE_IRQ_MAX_ENT 7 | |
103 | /* Interrupt entry: byte 0 */ | |
104 | #define HPEE_IRQ_CHANNEL_MASK 0xf | |
105 | #define HPEE_IRQ_TRIG_LEVEL 0x20 | |
106 | #define HPEE_IRQ_MORE 0x80 | |
107 | /* byte 1 seems to be unused */ | |
108 | ||
109 | #define HPEE_DMA_MAX_ENT 4 | |
110 | ||
111 | /* dma entry: byte 0 */ | |
112 | #define HPEE_DMA_CHANNEL_MASK 7 | |
113 | #define HPEE_DMA_SIZE_MASK 0xc | |
114 | #define HPEE_DMA_SIZE_BYTE 0x0 | |
115 | #define HPEE_DMA_SIZE_WORD 0x4 | |
116 | #define HPEE_DMA_SIZE_DWORD 0x8 | |
117 | #define HPEE_DMA_SHARED 0x40 | |
118 | #define HPEE_DMA_MORE 0x80 | |
119 | ||
120 | /* dma entry: byte 1 */ | |
121 | #define HPEE_DMA_TIMING_MASK 0x30 | |
122 | #define HPEE_DMA_TIMING_ISA 0x0 | |
123 | #define HPEE_DMA_TIMING_TYPEA 0x10 | |
124 | #define HPEE_DMA_TIMING_TYPEB 0x20 | |
125 | #define HPEE_DMA_TIMING_TYPEC 0x30 | |
126 | ||
127 | #define HPEE_PORT_MAX_ENT 20 | |
128 | /* port entry byte 0 */ | |
129 | #define HPEE_PORT_SIZE_MASK 0x1f | |
130 | #define HPEE_PORT_SHARED 0x40 | |
131 | #define HPEE_PORT_MORE 0x80 | |
132 | /* byte 1 and 2 is a 16bit LE value | |
1a2a0f78 | 133 | * containing the start port number */ |
1da177e4 LT |
134 | |
135 | #define HPEE_PORT_INIT_MAX_LEN 60 /* in bytes here */ | |
136 | /* port init entry byte 0 */ | |
137 | #define HPEE_PORT_INIT_WIDTH_MASK 0x3 | |
138 | #define HPEE_PORT_INIT_WIDTH_BYTE 0x0 | |
139 | #define HPEE_PORT_INIT_WIDTH_WORD 0x1 | |
140 | #define HPEE_PORT_INIT_WIDTH_DWORD 0x2 | |
141 | #define HPEE_PORT_INIT_MASK 0x4 | |
142 | #define HPEE_PORT_INIT_MORE 0x80 | |
143 | ||
144 | #define HPEE_SELECTION_MAX_ENT 26 | |
145 | ||
146 | #define HPEE_TYPE_MAX_LEN 80 | |
147 | ||
148 | #endif |