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authorDavid S. Miller <davem@davemloft.net>2008-02-13 19:56:49 -0500
committerDavid S. Miller <davem@davemloft.net>2008-02-13 19:56:49 -0500
commitd9b2b2a277219d4812311d995054ce4f95067725 (patch)
tree63af21df6686dd2e867015fdf9f0cb798d3ca348 /include
parente760e716d47b48caf98da348368fd41b4a9b9e7e (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')
-rw-r--r--include/asm-powerpc/abs_addr.h3
-rw-r--r--include/asm-powerpc/lmb.h82
-rw-r--r--include/asm-sparc64/lmb.h10
-rw-r--r--include/linux/lmb.h83
4 files changed, 103 insertions, 75 deletions
diff --git a/include/asm-powerpc/abs_addr.h b/include/asm-powerpc/abs_addr.h
index 4aa220718b19..98324c5a8286 100644
--- a/include/asm-powerpc/abs_addr.h
+++ b/include/asm-powerpc/abs_addr.h
@@ -12,10 +12,11 @@
12 * 2 of the License, or (at your option) any later version. 12 * 2 of the License, or (at your option) any later version.
13 */ 13 */
14 14
15#include <linux/lmb.h>
16
15#include <asm/types.h> 17#include <asm/types.h>
16#include <asm/page.h> 18#include <asm/page.h>
17#include <asm/prom.h> 19#include <asm/prom.h>
18#include <asm/lmb.h>
19#include <asm/firmware.h> 20#include <asm/firmware.h>
20 21
21struct mschunks_map { 22struct mschunks_map {
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
9extern 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
22struct lmb_property {
23 unsigned long base;
24 unsigned long size;
25};
26
27struct lmb_region {
28 unsigned long cnt;
29 unsigned long size;
30 struct lmb_property region[MAX_LMB_REGIONS+1];
31};
32
33struct lmb {
34 unsigned long debug;
35 unsigned long rmo_size;
36 struct lmb_region memory;
37 struct lmb_region reserved;
38};
39
40extern struct lmb lmb;
41
42extern void __init lmb_init(void);
43extern void __init lmb_analyze(void);
44extern long __init lmb_add(unsigned long base, unsigned long size);
45extern long __init lmb_reserve(unsigned long base, unsigned long size);
46extern unsigned long __init lmb_alloc(unsigned long size, unsigned long align);
47extern unsigned long __init lmb_alloc_base(unsigned long size,
48 unsigned long align, unsigned long max_addr);
49extern unsigned long __init __lmb_alloc_base(unsigned long size,
50 unsigned long align, unsigned long max_addr);
51extern unsigned long __init lmb_phys_mem_size(void);
52extern unsigned long __init lmb_end_of_DRAM(void);
53extern void __init lmb_enforce_memory_limit(unsigned long memory_limit);
54extern int __init lmb_is_reserved(unsigned long addr);
55
56extern void lmb_dump_all(void);
57
58static inline unsigned long
59lmb_size_bytes(struct lmb_region *type, unsigned long region_nr)
60{
61 return type->region[region_nr].size;
62}
63static inline unsigned long
64lmb_size_pages(struct lmb_region *type, unsigned long region_nr)
65{
66 return lmb_size_bytes(type, region_nr) >> PAGE_SHIFT;
67}
68static inline unsigned long
69lmb_start_pfn(struct lmb_region *type, unsigned long region_nr)
70{
71 return type->region[region_nr].base >> PAGE_SHIFT;
72}
73static inline unsigned long
74lmb_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 */
diff --git a/include/asm-sparc64/lmb.h b/include/asm-sparc64/lmb.h
new file mode 100644
index 000000000000..6a352cbcf520
--- /dev/null
+++ b/include/asm-sparc64/lmb.h
@@ -0,0 +1,10 @@
1#ifndef _SPARC64_LMB_H
2#define _SPARC64_LMB_H
3
4#include <asm/oplib.h>
5
6#define LMB_DBG(fmt...) prom_printf(fmt)
7
8#define LMB_REAL_LIMIT 0
9
10#endif /* !(_SPARC64_LMB_H) */
diff --git a/include/linux/lmb.h b/include/linux/lmb.h
new file mode 100644
index 000000000000..8b93f63407e9
--- /dev/null
+++ b/include/linux/lmb.h
@@ -0,0 +1,83 @@
1#ifndef _LINUX_LMB_H
2#define _LINUX_LMB_H
3#ifdef __KERNEL__
4
5/*
6 * Logical memory blocks.
7 *
8 * Copyright (C) 2001 Peter Bergner, IBM Corp.
9 *
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version
13 * 2 of the License, or (at your option) any later version.
14 */
15
16#include <linux/init.h>
17#include <linux/mm.h>
18
19#define MAX_LMB_REGIONS 128
20
21struct lmb_property {
22 unsigned long base;
23 unsigned long size;
24};
25
26struct lmb_region {
27 unsigned long cnt;
28 unsigned long size;
29 struct lmb_property region[MAX_LMB_REGIONS+1];
30};
31
32struct lmb {
33 unsigned long debug;
34 unsigned long rmo_size;
35 struct lmb_region memory;
36 struct lmb_region reserved;
37};
38
39extern struct lmb lmb;
40
41extern void __init lmb_init(void);
42extern void __init lmb_analyze(void);
43extern long __init lmb_add(unsigned long base, unsigned long size);
44extern long __init lmb_reserve(unsigned long base, unsigned long size);
45extern unsigned long __init lmb_alloc(unsigned long size, unsigned long align);
46extern unsigned long __init lmb_alloc_base(unsigned long size,
47 unsigned long align, unsigned long max_addr);
48extern unsigned long __init __lmb_alloc_base(unsigned long size,
49 unsigned long align, unsigned long max_addr);
50extern unsigned long __init lmb_phys_mem_size(void);
51extern unsigned long __init lmb_end_of_DRAM(void);
52extern void __init lmb_enforce_memory_limit(unsigned long memory_limit);
53extern int __init lmb_is_reserved(unsigned long addr);
54
55extern void lmb_dump_all(void);
56
57static inline unsigned long
58lmb_size_bytes(struct lmb_region *type, unsigned long region_nr)
59{
60 return type->region[region_nr].size;
61}
62static inline unsigned long
63lmb_size_pages(struct lmb_region *type, unsigned long region_nr)
64{
65 return lmb_size_bytes(type, region_nr) >> PAGE_SHIFT;
66}
67static inline unsigned long
68lmb_start_pfn(struct lmb_region *type, unsigned long region_nr)
69{
70 return type->region[region_nr].base >> PAGE_SHIFT;
71}
72static inline unsigned long
73lmb_end_pfn(struct lmb_region *type, unsigned long region_nr)
74{
75 return lmb_start_pfn(type, region_nr) +
76 lmb_size_pages(type, region_nr);
77}
78
79#include <asm/lmb.h>
80
81#endif /* __KERNEL__ */
82
83#endif /* _LINUX_LMB_H */
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-30 04:17:14 -0500