diff options
author | David S. Miller <davem@davemloft.net> | 2008-02-13 19:56:49 -0500 |
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committer | David S. Miller <davem@davemloft.net> | 2008-02-13 19:56:49 -0500 |
commit | d9b2b2a277219d4812311d995054ce4f95067725 (patch) | |
tree | 63af21df6686dd2e867015fdf9f0cb798d3ca348 /include/asm-powerpc/lmb.h | |
parent | e760e716d47b48caf98da348368fd41b4a9b9e7e (diff) |
[LIB]: Make PowerPC LMB code generic so sparc64 can use it too.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/asm-powerpc/lmb.h')
-rw-r--r-- | include/asm-powerpc/lmb.h | 82 |
1 files changed, 8 insertions, 74 deletions
diff --git a/include/asm-powerpc/lmb.h b/include/asm-powerpc/lmb.h index 5d1dc48a0bb8..028184b6a162 100644 --- a/include/asm-powerpc/lmb.h +++ b/include/asm-powerpc/lmb.h | |||
@@ -1,81 +1,15 @@ | |||
1 | #ifndef _ASM_POWERPC_LMB_H | 1 | #ifndef _ASM_POWERPC_LMB_H |
2 | #define _ASM_POWERPC_LMB_H | 2 | #define _ASM_POWERPC_LMB_H |
3 | #ifdef __KERNEL__ | ||
4 | 3 | ||
5 | /* | 4 | #include <asm/udbg.h> |
6 | * Definitions for talking to the Open Firmware PROM on | ||
7 | * Power Macintosh computers. | ||
8 | * | ||
9 | * Copyright (C) 2001 Peter Bergner, IBM Corp. | ||
10 | * | ||
11 | * This program is free software; you can redistribute it and/or | ||
12 | * modify it under the terms of the GNU General Public License | ||
13 | * as published by the Free Software Foundation; either version | ||
14 | * 2 of the License, or (at your option) any later version. | ||
15 | */ | ||
16 | 5 | ||
17 | #include <linux/init.h> | 6 | #define LMB_DBG(fmt...) udbg_printf(fmt) |
18 | #include <asm/prom.h> | ||
19 | 7 | ||
20 | #define MAX_LMB_REGIONS 128 | 8 | #ifdef CONFIG_PPC32 |
9 | extern unsigned long __max_low_memory; | ||
10 | #define LMB_REAL_LIMIT __max_low_memory | ||
11 | #else | ||
12 | #define LMB_REAL_LIMIT 0 | ||
13 | #endif | ||
21 | 14 | ||
22 | struct lmb_property { | ||
23 | unsigned long base; | ||
24 | unsigned long size; | ||
25 | }; | ||
26 | |||
27 | struct lmb_region { | ||
28 | unsigned long cnt; | ||
29 | unsigned long size; | ||
30 | struct lmb_property region[MAX_LMB_REGIONS+1]; | ||
31 | }; | ||
32 | |||
33 | struct lmb { | ||
34 | unsigned long debug; | ||
35 | unsigned long rmo_size; | ||
36 | struct lmb_region memory; | ||
37 | struct lmb_region reserved; | ||
38 | }; | ||
39 | |||
40 | extern struct lmb lmb; | ||
41 | |||
42 | extern void __init lmb_init(void); | ||
43 | extern void __init lmb_analyze(void); | ||
44 | extern long __init lmb_add(unsigned long base, unsigned long size); | ||
45 | extern long __init lmb_reserve(unsigned long base, unsigned long size); | ||
46 | extern unsigned long __init lmb_alloc(unsigned long size, unsigned long align); | ||
47 | extern unsigned long __init lmb_alloc_base(unsigned long size, | ||
48 | unsigned long align, unsigned long max_addr); | ||
49 | extern unsigned long __init __lmb_alloc_base(unsigned long size, | ||
50 | unsigned long align, unsigned long max_addr); | ||
51 | extern unsigned long __init lmb_phys_mem_size(void); | ||
52 | extern unsigned long __init lmb_end_of_DRAM(void); | ||
53 | extern void __init lmb_enforce_memory_limit(unsigned long memory_limit); | ||
54 | extern int __init lmb_is_reserved(unsigned long addr); | ||
55 | |||
56 | extern void lmb_dump_all(void); | ||
57 | |||
58 | static inline unsigned long | ||
59 | lmb_size_bytes(struct lmb_region *type, unsigned long region_nr) | ||
60 | { | ||
61 | return type->region[region_nr].size; | ||
62 | } | ||
63 | static inline unsigned long | ||
64 | lmb_size_pages(struct lmb_region *type, unsigned long region_nr) | ||
65 | { | ||
66 | return lmb_size_bytes(type, region_nr) >> PAGE_SHIFT; | ||
67 | } | ||
68 | static inline unsigned long | ||
69 | lmb_start_pfn(struct lmb_region *type, unsigned long region_nr) | ||
70 | { | ||
71 | return type->region[region_nr].base >> PAGE_SHIFT; | ||
72 | } | ||
73 | static inline unsigned long | ||
74 | lmb_end_pfn(struct lmb_region *type, unsigned long region_nr) | ||
75 | { | ||
76 | return lmb_start_pfn(type, region_nr) + | ||
77 | lmb_size_pages(type, region_nr); | ||
78 | } | ||
79 | |||
80 | #endif /* __KERNEL__ */ | ||
81 | #endif /* _ASM_POWERPC_LMB_H */ | 15 | #endif /* _ASM_POWERPC_LMB_H */ |