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cb8db5d4 DH |
1 | /* |
2 | * linux/include/asm/setup.h | |
3 | * | |
4 | * Copyright (C) 1997-1999 Russell King | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License version 2 as | |
8 | * published by the Free Software Foundation. | |
9 | * | |
10 | * Structure passed to kernel to tell it about the | |
11 | * hardware it's running on. See Documentation/arm/Setup | |
12 | * for more info. | |
13 | */ | |
14 | #ifndef _UAPI__ASMARM_SETUP_H | |
15 | #define _UAPI__ASMARM_SETUP_H | |
16 | ||
17 | #include <linux/types.h> | |
6fa3eb70 S |
18 | #include <mach/dfo_boot.h> |
19 | #include <mach/mt_devinfo.h> | |
cb8db5d4 DH |
20 | |
21 | #define COMMAND_LINE_SIZE 1024 | |
22 | ||
23 | /* The list ends with an ATAG_NONE node. */ | |
24 | #define ATAG_NONE 0x00000000 | |
25 | ||
26 | struct tag_header { | |
27 | __u32 size; | |
28 | __u32 tag; | |
29 | }; | |
30 | ||
31 | /* The list must start with an ATAG_CORE node */ | |
32 | #define ATAG_CORE 0x54410001 | |
33 | ||
34 | struct tag_core { | |
35 | __u32 flags; /* bit 0 = read-only */ | |
36 | __u32 pagesize; | |
37 | __u32 rootdev; | |
38 | }; | |
39 | ||
40 | /* it is allowed to have multiple ATAG_MEM nodes */ | |
41 | #define ATAG_MEM 0x54410002 | |
42 | ||
43 | struct tag_mem32 { | |
44 | __u32 size; | |
45 | __u32 start; /* physical start address */ | |
46 | }; | |
47 | ||
6fa3eb70 S |
48 | /* it is allowed to have multiple ATAG_MEM nodes */ |
49 | #define ATAG_MEM64 0x54420002 | |
50 | ||
51 | struct tag_mem64 { | |
52 | __u64 size; | |
53 | __u64 start; /* physical start address */ | |
54 | }; | |
55 | ||
cb8db5d4 DH |
56 | /* VGA text type displays */ |
57 | #define ATAG_VIDEOTEXT 0x54410003 | |
58 | ||
59 | struct tag_videotext { | |
60 | __u8 x; | |
61 | __u8 y; | |
62 | __u16 video_page; | |
63 | __u8 video_mode; | |
64 | __u8 video_cols; | |
65 | __u16 video_ega_bx; | |
66 | __u8 video_lines; | |
67 | __u8 video_isvga; | |
68 | __u16 video_points; | |
69 | }; | |
70 | ||
71 | /* describes how the ramdisk will be used in kernel */ | |
72 | #define ATAG_RAMDISK 0x54410004 | |
73 | ||
74 | struct tag_ramdisk { | |
75 | __u32 flags; /* bit 0 = load, bit 1 = prompt */ | |
76 | __u32 size; /* decompressed ramdisk size in _kilo_ bytes */ | |
77 | __u32 start; /* starting block of floppy-based RAM disk image */ | |
78 | }; | |
79 | ||
80 | /* describes where the compressed ramdisk image lives (virtual address) */ | |
81 | /* | |
82 | * this one accidentally used virtual addresses - as such, | |
83 | * it's deprecated. | |
84 | */ | |
85 | #define ATAG_INITRD 0x54410005 | |
86 | ||
87 | /* describes where the compressed ramdisk image lives (physical address) */ | |
88 | #define ATAG_INITRD2 0x54420005 | |
89 | ||
90 | struct tag_initrd { | |
91 | __u32 start; /* physical start address */ | |
92 | __u32 size; /* size of compressed ramdisk image in bytes */ | |
93 | }; | |
94 | ||
95 | /* board serial number. "64 bits should be enough for everybody" */ | |
96 | #define ATAG_SERIAL 0x54410006 | |
97 | ||
98 | struct tag_serialnr { | |
99 | __u32 low; | |
100 | __u32 high; | |
101 | }; | |
102 | ||
103 | /* board revision */ | |
104 | #define ATAG_REVISION 0x54410007 | |
105 | ||
106 | struct tag_revision { | |
107 | __u32 rev; | |
108 | }; | |
109 | ||
110 | /* initial values for vesafb-type framebuffers. see struct screen_info | |
111 | * in include/linux/tty.h | |
112 | */ | |
113 | #define ATAG_VIDEOLFB 0x54410008 | |
114 | ||
115 | struct tag_videolfb { | |
116 | __u16 lfb_width; | |
117 | __u16 lfb_height; | |
118 | __u16 lfb_depth; | |
119 | __u16 lfb_linelength; | |
120 | __u32 lfb_base; | |
121 | __u32 lfb_size; | |
122 | __u8 red_size; | |
123 | __u8 red_pos; | |
124 | __u8 green_size; | |
125 | __u8 green_pos; | |
126 | __u8 blue_size; | |
127 | __u8 blue_pos; | |
128 | __u8 rsvd_size; | |
129 | __u8 rsvd_pos; | |
130 | }; | |
131 | ||
132 | /* command line: \0 terminated string */ | |
133 | #define ATAG_CMDLINE 0x54410009 | |
134 | ||
135 | struct tag_cmdline { | |
136 | char cmdline[1]; /* this is the minimum size */ | |
137 | }; | |
138 | ||
139 | /* acorn RiscPC specific information */ | |
140 | #define ATAG_ACORN 0x41000101 | |
141 | ||
142 | struct tag_acorn { | |
143 | __u32 memc_control_reg; | |
144 | __u32 vram_pages; | |
145 | __u8 sounddefault; | |
146 | __u8 adfsdrives; | |
147 | }; | |
148 | ||
149 | /* footbridge memory clock, see arch/arm/mach-footbridge/arch.c */ | |
150 | #define ATAG_MEMCLK 0x41000402 | |
151 | ||
152 | struct tag_memclk { | |
153 | __u32 fmemclk; | |
154 | }; | |
155 | ||
6fa3eb70 S |
156 | /* boot information */ |
157 | #define ATAG_BOOT 0x41000802 | |
158 | ||
159 | struct tag_boot { | |
160 | u32 bootmode; | |
161 | }; | |
162 | ||
163 | /*META com port information*/ | |
164 | #define ATAG_META_COM 0x41000803 | |
165 | ||
166 | struct tag_meta_com { | |
167 | u32 meta_com_type; /* identify meta via uart or usb */ | |
168 | u32 meta_com_id; /* multiple meta need to know com port id */ | |
169 | }; | |
170 | ||
171 | ||
172 | /* MDINFO */ | |
173 | #define ATAG_MDINFO_DATA 0x41000806 | |
174 | struct tag_mdinfo_data{ | |
175 | u8 md_type[4]; | |
176 | }; | |
177 | ||
178 | #define ATAG_TEE_DATA 0x41000808 | |
179 | ||
180 | /* general memory descriptor */ | |
181 | typedef struct { | |
182 | u64 start; | |
183 | u64 size; | |
184 | } mem_desc_t; | |
185 | ||
186 | /* mblock is used by CPU */ | |
187 | typedef struct { | |
188 | u64 start; | |
189 | u64 size; | |
190 | u32 rank; /* rank the mblock belongs to */ | |
191 | } mblock_t; | |
192 | ||
193 | typedef struct { | |
194 | u32 mblock_num; | |
195 | mblock_t mblock[4]; | |
196 | } mblock_info_t; | |
197 | ||
198 | typedef struct { | |
199 | u32 rank_num; | |
200 | mem_desc_t rank_info[4]; | |
201 | } dram_info_t; | |
202 | ||
cb8db5d4 DH |
203 | struct tag { |
204 | struct tag_header hdr; | |
205 | union { | |
206 | struct tag_core core; | |
207 | struct tag_mem32 mem; | |
6fa3eb70 | 208 | struct tag_mem64 mem64; |
cb8db5d4 DH |
209 | struct tag_videotext videotext; |
210 | struct tag_ramdisk ramdisk; | |
211 | struct tag_initrd initrd; | |
212 | struct tag_serialnr serialnr; | |
213 | struct tag_revision revision; | |
214 | struct tag_videolfb videolfb; | |
215 | struct tag_cmdline cmdline; | |
216 | ||
217 | /* | |
218 | * Acorn specific | |
219 | */ | |
220 | struct tag_acorn acorn; | |
221 | ||
222 | /* | |
223 | * DC21285 specific | |
224 | */ | |
225 | struct tag_memclk memclk; | |
6fa3eb70 S |
226 | struct tag_boot boot; |
227 | struct tag_meta_com meta_com; | |
228 | struct tag_devinfo_data devinfo_data; | |
229 | tag_dfo_boot dfo_data; | |
230 | struct tag_mdinfo_data mdinfo_data; | |
231 | mem_desc_t tee_reserved_mem; | |
4b9e9796 | 232 | #if 0 |
6fa3eb70 S |
233 | #ifdef PT_ABTC_ATAG |
234 | struct tag_pt_info tag_pt_info; | |
235 | #endif | |
236 | #ifdef NAND_ABTC_ATAG | |
237 | struct tag_nand_number tag_nand_number; | |
238 | flashdev_info_t gen_FlashTable_p; | |
4b9e9796 | 239 | #endif |
6fa3eb70 | 240 | #endif |
cb8db5d4 DH |
241 | } u; |
242 | }; | |
243 | ||
244 | struct tagtable { | |
245 | __u32 tag; | |
246 | int (*parse)(const struct tag *); | |
247 | }; | |
248 | ||
249 | #define tag_member_present(tag,member) \ | |
250 | ((unsigned long)(&((struct tag *)0L)->member + 1) \ | |
251 | <= (tag)->hdr.size * 4) | |
252 | ||
253 | #define tag_next(t) ((struct tag *)((__u32 *)(t) + (t)->hdr.size)) | |
254 | #define tag_size(type) ((sizeof(struct tag_header) + sizeof(struct type)) >> 2) | |
255 | ||
256 | #define for_each_tag(t,base) \ | |
257 | for (t = base; t->hdr.size; t = tag_next(t)) | |
258 | ||
259 | ||
260 | #endif /* _UAPI__ASMARM_SETUP_H */ |