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authorHaavard Skinnemoen <haavard.skinnemoen@atmel.com>2008-08-05 07:35:07 -0400
committerHaavard Skinnemoen <haavard.skinnemoen@atmel.com>2008-08-05 07:35:07 -0400
commit84db8d7cdb072866f5a6c6ac2c9a74c5c48dd22f (patch)
tree7f10cc33bca606abd1547ae90d90362134a35332 /arch/avr32/include/asm/setup.h
parent2b12a4c524812fb3f6ee590a02e65b95c8c32229 (diff)
avr32: Move include/asm-avr32 to arch/avr32/include/asm
Leaving include/asm/arch alone for now. Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
Diffstat (limited to 'arch/avr32/include/asm/setup.h')
-rw-r--r--arch/avr32/include/asm/setup.h138
1 files changed, 138 insertions, 0 deletions
diff --git a/arch/avr32/include/asm/setup.h b/arch/avr32/include/asm/setup.h
new file mode 100644
index 000000000000..ff5b7cf6be4d
--- /dev/null
+++ b/arch/avr32/include/asm/setup.h
@@ -0,0 +1,138 @@
1/*
2 * Copyright (C) 2004-2006 Atmel Corporation
3 *
4 * Based on linux/include/asm-arm/setup.h
5 * Copyright (C) 1997-1999 Russell King
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 */
11#ifndef __ASM_AVR32_SETUP_H__
12#define __ASM_AVR32_SETUP_H__
13
14#define COMMAND_LINE_SIZE 256
15
16#ifdef __KERNEL__
17
18/* Magic number indicating that a tag table is present */
19#define ATAG_MAGIC 0xa2a25441
20
21#ifndef __ASSEMBLY__
22
23/*
24 * Generic memory range, used by several tags.
25 *
26 * addr is always physical.
27 * size is measured in bytes.
28 * next is for use by the OS, e.g. for grouping regions into
29 * linked lists.
30 */
31struct tag_mem_range {
32 u32 addr;
33 u32 size;
34 struct tag_mem_range * next;
35};
36
37/* The list ends with an ATAG_NONE node. */
38#define ATAG_NONE 0x00000000
39
40struct tag_header {
41 u32 size;
42 u32 tag;
43};
44
45/* The list must start with an ATAG_CORE node */
46#define ATAG_CORE 0x54410001
47
48struct tag_core {
49 u32 flags;
50 u32 pagesize;
51 u32 rootdev;
52};
53
54/* it is allowed to have multiple ATAG_MEM nodes */
55#define ATAG_MEM 0x54410002
56/* ATAG_MEM uses tag_mem_range */
57
58/* command line: \0 terminated string */
59#define ATAG_CMDLINE 0x54410003
60
61struct tag_cmdline {
62 char cmdline[1]; /* this is the minimum size */
63};
64
65/* Ramdisk image (may be compressed) */
66#define ATAG_RDIMG 0x54410004
67/* ATAG_RDIMG uses tag_mem_range */
68
69/* Information about various clocks present in the system */
70#define ATAG_CLOCK 0x54410005
71
72struct tag_clock {
73 u32 clock_id; /* Which clock are we talking about? */
74 u32 clock_flags; /* Special features */
75 u64 clock_hz; /* Clock speed in Hz */
76};
77
78/* The clock types we know about */
79#define CLOCK_BOOTCPU 0
80
81/* Memory reserved for the system (e.g. the bootloader) */
82#define ATAG_RSVD_MEM 0x54410006
83/* ATAG_RSVD_MEM uses tag_mem_range */
84
85/* Ethernet information */
86
87#define ATAG_ETHERNET 0x54410007
88
89struct tag_ethernet {
90 u8 mac_index;
91 u8 mii_phy_addr;
92 u8 hw_address[6];
93};
94
95#define ETH_INVALID_PHY 0xff
96
97struct tag {
98 struct tag_header hdr;
99 union {
100 struct tag_core core;
101 struct tag_mem_range mem_range;
102 struct tag_cmdline cmdline;
103 struct tag_clock clock;
104 struct tag_ethernet ethernet;
105 } u;
106};
107
108struct tagtable {
109 u32 tag;
110 int (*parse)(struct tag *);
111};
112
113#define __tag __used __attribute__((__section__(".taglist.init")))
114#define __tagtable(tag, fn) \
115 static struct tagtable __tagtable_##fn __tag = { tag, fn }
116
117#define tag_member_present(tag,member) \
118 ((unsigned long)(&((struct tag *)0L)->member + 1) \
119 <= (tag)->hdr.size * 4)
120
121#define tag_next(t) ((struct tag *)((u32 *)(t) + (t)->hdr.size))
122#define tag_size(type) ((sizeof(struct tag_header) + sizeof(struct type)) >> 2)
123
124#define for_each_tag(t,base) \
125 for (t = base; t->hdr.size; t = tag_next(t))
126
127extern struct tag *bootloader_tags;
128
129extern resource_size_t fbmem_start;
130extern resource_size_t fbmem_size;
131
132void setup_processor(void);
133
134#endif /* !__ASSEMBLY__ */
135
136#endif /* __KERNEL__ */
137
138#endif /* __ASM_AVR32_SETUP_H__ */