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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 /arch/powerpc
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 'arch/powerpc')
-rw-r--r--arch/powerpc/Kconfig1
-rw-r--r--arch/powerpc/kernel/btext.c3
-rw-r--r--arch/powerpc/kernel/crash.c3
-rw-r--r--arch/powerpc/kernel/crash_dump.c3
-rw-r--r--arch/powerpc/kernel/machine_kexec.c3
-rw-r--r--arch/powerpc/kernel/prom.c2
-rw-r--r--arch/powerpc/kernel/rtas.c2
-rw-r--r--arch/powerpc/kernel/setup-common.c2
-rw-r--r--arch/powerpc/kernel/setup_64.c2
-rw-r--r--arch/powerpc/kernel/vdso.c3
-rw-r--r--arch/powerpc/mm/Makefile2
-rw-r--r--arch/powerpc/mm/hash_utils_64.c3
-rw-r--r--arch/powerpc/mm/init_32.c2
-rw-r--r--arch/powerpc/mm/init_64.c2
-rw-r--r--arch/powerpc/mm/lmb.c357
-rw-r--r--arch/powerpc/mm/mem.c2
-rw-r--r--arch/powerpc/mm/numa.c3
-rw-r--r--arch/powerpc/mm/ppc_mmu_32.c2
-rw-r--r--arch/powerpc/mm/stab.c4
-rw-r--r--arch/powerpc/platforms/cell/iommu.c2
-rw-r--r--arch/powerpc/platforms/maple/setup.c2
-rw-r--r--arch/powerpc/platforms/powermac/setup.c2
-rw-r--r--arch/powerpc/platforms/ps3/htab.c3
-rw-r--r--arch/powerpc/platforms/ps3/mm.c3
-rw-r--r--arch/powerpc/platforms/ps3/os-area.c3
-rw-r--r--arch/powerpc/sysdev/dart_iommu.c2
26 files changed, 37 insertions, 381 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 485513c9f1af..bd645f0d1e43 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -90,6 +90,7 @@ config PPC
90 select HAVE_IDE 90 select HAVE_IDE
91 select HAVE_OPROFILE 91 select HAVE_OPROFILE
92 select HAVE_KPROBES 92 select HAVE_KPROBES
93 select HAVE_LMB
93 94
94config EARLY_PRINTK 95config EARLY_PRINTK
95 bool 96 bool
diff --git a/arch/powerpc/kernel/btext.c b/arch/powerpc/kernel/btext.c
index 80e2eef05b2e..9f9377745490 100644
--- a/arch/powerpc/kernel/btext.c
+++ b/arch/powerpc/kernel/btext.c
@@ -7,6 +7,7 @@
7#include <linux/string.h> 7#include <linux/string.h>
8#include <linux/init.h> 8#include <linux/init.h>
9#include <linux/module.h> 9#include <linux/module.h>
10#include <linux/lmb.h>
10 11
11#include <asm/sections.h> 12#include <asm/sections.h>
12#include <asm/prom.h> 13#include <asm/prom.h>
@@ -15,7 +16,7 @@
15#include <asm/mmu.h> 16#include <asm/mmu.h>
16#include <asm/pgtable.h> 17#include <asm/pgtable.h>
17#include <asm/io.h> 18#include <asm/io.h>
18#include <asm/lmb.h> 19#include <asm/prom.h>
19#include <asm/processor.h> 20#include <asm/processor.h>
20#include <asm/udbg.h> 21#include <asm/udbg.h>
21 22
diff --git a/arch/powerpc/kernel/crash.c b/arch/powerpc/kernel/crash.c
index 571132ed12c1..eae401de3f76 100644
--- a/arch/powerpc/kernel/crash.c
+++ b/arch/powerpc/kernel/crash.c
@@ -24,12 +24,13 @@
24#include <linux/init.h> 24#include <linux/init.h>
25#include <linux/irq.h> 25#include <linux/irq.h>
26#include <linux/types.h> 26#include <linux/types.h>
27#include <linux/lmb.h>
27 28
28#include <asm/processor.h> 29#include <asm/processor.h>
29#include <asm/machdep.h> 30#include <asm/machdep.h>
30#include <asm/kexec.h> 31#include <asm/kexec.h>
31#include <asm/kdump.h> 32#include <asm/kdump.h>
32#include <asm/lmb.h> 33#include <asm/prom.h>
33#include <asm/firmware.h> 34#include <asm/firmware.h>
34#include <asm/smp.h> 35#include <asm/smp.h>
35#include <asm/system.h> 36#include <asm/system.h>
diff --git a/arch/powerpc/kernel/crash_dump.c b/arch/powerpc/kernel/crash_dump.c
index 29ff77c468ac..9ee3c5278db0 100644
--- a/arch/powerpc/kernel/crash_dump.c
+++ b/arch/powerpc/kernel/crash_dump.c
@@ -13,8 +13,9 @@
13 13
14#include <linux/crash_dump.h> 14#include <linux/crash_dump.h>
15#include <linux/bootmem.h> 15#include <linux/bootmem.h>
16#include <linux/lmb.h>
16#include <asm/kdump.h> 17#include <asm/kdump.h>
17#include <asm/lmb.h> 18#include <asm/prom.h>
18#include <asm/firmware.h> 19#include <asm/firmware.h>
19#include <asm/uaccess.h> 20#include <asm/uaccess.h>
20 21
diff --git a/arch/powerpc/kernel/machine_kexec.c b/arch/powerpc/kernel/machine_kexec.c
index c0c8e8c3ced9..2d202f274e73 100644
--- a/arch/powerpc/kernel/machine_kexec.c
+++ b/arch/powerpc/kernel/machine_kexec.c
@@ -12,8 +12,9 @@
12#include <linux/kexec.h> 12#include <linux/kexec.h>
13#include <linux/reboot.h> 13#include <linux/reboot.h>
14#include <linux/threads.h> 14#include <linux/threads.h>
15#include <linux/lmb.h>
15#include <asm/machdep.h> 16#include <asm/machdep.h>
16#include <asm/lmb.h> 17#include <asm/prom.h>
17 18
18void machine_crash_shutdown(struct pt_regs *regs) 19void machine_crash_shutdown(struct pt_regs *regs)
19{ 20{
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 8b5efbce8d90..c17a5851bdb7 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -31,10 +31,10 @@
31#include <linux/kexec.h> 31#include <linux/kexec.h>
32#include <linux/debugfs.h> 32#include <linux/debugfs.h>
33#include <linux/irq.h> 33#include <linux/irq.h>
34#include <linux/lmb.h>
34 35
35#include <asm/prom.h> 36#include <asm/prom.h>
36#include <asm/rtas.h> 37#include <asm/rtas.h>
37#include <asm/lmb.h>
38#include <asm/page.h> 38#include <asm/page.h>
39#include <asm/processor.h> 39#include <asm/processor.h>
40#include <asm/irq.h> 40#include <asm/irq.h>
diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
index 52e95c2158c0..e2e78d967f31 100644
--- a/arch/powerpc/kernel/rtas.c
+++ b/arch/powerpc/kernel/rtas.c
@@ -22,6 +22,7 @@
22#include <linux/smp.h> 22#include <linux/smp.h>
23#include <linux/completion.h> 23#include <linux/completion.h>
24#include <linux/cpumask.h> 24#include <linux/cpumask.h>
25#include <linux/lmb.h>
25 26
26#include <asm/prom.h> 27#include <asm/prom.h>
27#include <asm/rtas.h> 28#include <asm/rtas.h>
@@ -34,7 +35,6 @@
34#include <asm/system.h> 35#include <asm/system.h>
35#include <asm/delay.h> 36#include <asm/delay.h>
36#include <asm/uaccess.h> 37#include <asm/uaccess.h>
37#include <asm/lmb.h>
38#include <asm/udbg.h> 38#include <asm/udbg.h>
39#include <asm/syscalls.h> 39#include <asm/syscalls.h>
40#include <asm/smp.h> 40#include <asm/smp.h>
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index 6adb5a1e98bb..12cc41c16b0d 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -34,6 +34,7 @@
34#include <linux/serial_8250.h> 34#include <linux/serial_8250.h>
35#include <linux/debugfs.h> 35#include <linux/debugfs.h>
36#include <linux/percpu.h> 36#include <linux/percpu.h>
37#include <linux/lmb.h>
37#include <asm/io.h> 38#include <asm/io.h>
38#include <asm/prom.h> 39#include <asm/prom.h>
39#include <asm/processor.h> 40#include <asm/processor.h>
@@ -56,7 +57,6 @@
56#include <asm/cache.h> 57#include <asm/cache.h>
57#include <asm/page.h> 58#include <asm/page.h>
58#include <asm/mmu.h> 59#include <asm/mmu.h>
59#include <asm/lmb.h>
60#include <asm/xmon.h> 60#include <asm/xmon.h>
61#include <asm/cputhreads.h> 61#include <asm/cputhreads.h>
62 62
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 3b1529c103ef..2c2d8315193c 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -33,6 +33,7 @@
33#include <linux/serial_8250.h> 33#include <linux/serial_8250.h>
34#include <linux/bootmem.h> 34#include <linux/bootmem.h>
35#include <linux/pci.h> 35#include <linux/pci.h>
36#include <linux/lmb.h>
36#include <asm/io.h> 37#include <asm/io.h>
37#include <asm/kdump.h> 38#include <asm/kdump.h>
38#include <asm/prom.h> 39#include <asm/prom.h>
@@ -55,7 +56,6 @@
55#include <asm/cache.h> 56#include <asm/cache.h>
56#include <asm/page.h> 57#include <asm/page.h>
57#include <asm/mmu.h> 58#include <asm/mmu.h>
58#include <asm/lmb.h>
59#include <asm/firmware.h> 59#include <asm/firmware.h>
60#include <asm/xmon.h> 60#include <asm/xmon.h>
61#include <asm/udbg.h> 61#include <asm/udbg.h>
diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c
index 3702df7dc567..d715048370df 100644
--- a/arch/powerpc/kernel/vdso.c
+++ b/arch/powerpc/kernel/vdso.c
@@ -21,13 +21,14 @@
21#include <linux/elf.h> 21#include <linux/elf.h>
22#include <linux/security.h> 22#include <linux/security.h>
23#include <linux/bootmem.h> 23#include <linux/bootmem.h>
24#include <linux/lmb.h>
24 25
25#include <asm/pgtable.h> 26#include <asm/pgtable.h>
26#include <asm/system.h> 27#include <asm/system.h>
27#include <asm/processor.h> 28#include <asm/processor.h>
28#include <asm/mmu.h> 29#include <asm/mmu.h>
29#include <asm/mmu_context.h> 30#include <asm/mmu_context.h>
30#include <asm/lmb.h> 31#include <asm/prom.h>
31#include <asm/machdep.h> 32#include <asm/machdep.h>
32#include <asm/cputable.h> 33#include <asm/cputable.h>
33#include <asm/sections.h> 34#include <asm/sections.h>
diff --git a/arch/powerpc/mm/Makefile b/arch/powerpc/mm/Makefile
index 41649a5d3602..1c00e0196f6c 100644
--- a/arch/powerpc/mm/Makefile
+++ b/arch/powerpc/mm/Makefile
@@ -6,7 +6,7 @@ ifeq ($(CONFIG_PPC64),y)
6EXTRA_CFLAGS += -mno-minimal-toc 6EXTRA_CFLAGS += -mno-minimal-toc
7endif 7endif
8 8
9obj-y := fault.o mem.o lmb.o \ 9obj-y := fault.o mem.o \
10 init_$(CONFIG_WORD_SIZE).o \ 10 init_$(CONFIG_WORD_SIZE).o \
11 pgtable_$(CONFIG_WORD_SIZE).o \ 11 pgtable_$(CONFIG_WORD_SIZE).o \
12 mmu_context_$(CONFIG_WORD_SIZE).o 12 mmu_context_$(CONFIG_WORD_SIZE).o
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 32f416175db1..73b78486abfc 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -31,6 +31,7 @@
31#include <linux/cache.h> 31#include <linux/cache.h>
32#include <linux/init.h> 32#include <linux/init.h>
33#include <linux/signal.h> 33#include <linux/signal.h>
34#include <linux/lmb.h>
34 35
35#include <asm/processor.h> 36#include <asm/processor.h>
36#include <asm/pgtable.h> 37#include <asm/pgtable.h>
@@ -41,7 +42,7 @@
41#include <asm/system.h> 42#include <asm/system.h>
42#include <asm/uaccess.h> 43#include <asm/uaccess.h>
43#include <asm/machdep.h> 44#include <asm/machdep.h>
44#include <asm/lmb.h> 45#include <asm/prom.h>
45#include <asm/abs_addr.h> 46#include <asm/abs_addr.h>
46#include <asm/tlbflush.h> 47#include <asm/tlbflush.h>
47#include <asm/io.h> 48#include <asm/io.h>
diff --git a/arch/powerpc/mm/init_32.c b/arch/powerpc/mm/init_32.c
index 977cb1ee5e72..59a725b8ece9 100644
--- a/arch/powerpc/mm/init_32.c
+++ b/arch/powerpc/mm/init_32.c
@@ -30,6 +30,7 @@
30#include <linux/highmem.h> 30#include <linux/highmem.h>
31#include <linux/initrd.h> 31#include <linux/initrd.h>
32#include <linux/pagemap.h> 32#include <linux/pagemap.h>
33#include <linux/lmb.h>
33 34
34#include <asm/pgalloc.h> 35#include <asm/pgalloc.h>
35#include <asm/prom.h> 36#include <asm/prom.h>
@@ -41,7 +42,6 @@
41#include <asm/machdep.h> 42#include <asm/machdep.h>
42#include <asm/btext.h> 43#include <asm/btext.h>
43#include <asm/tlb.h> 44#include <asm/tlb.h>
44#include <asm/lmb.h>
45#include <asm/sections.h> 45#include <asm/sections.h>
46 46
47#include "mmu_decl.h" 47#include "mmu_decl.h"
diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c
index c0f5cff77035..abeb0eb79313 100644
--- a/arch/powerpc/mm/init_64.c
+++ b/arch/powerpc/mm/init_64.c
@@ -38,11 +38,11 @@
38#include <linux/nodemask.h> 38#include <linux/nodemask.h>
39#include <linux/module.h> 39#include <linux/module.h>
40#include <linux/poison.h> 40#include <linux/poison.h>
41#include <linux/lmb.h>
41 42
42#include <asm/pgalloc.h> 43#include <asm/pgalloc.h>
43#include <asm/page.h> 44#include <asm/page.h>
44#include <asm/prom.h> 45#include <asm/prom.h>
45#include <asm/lmb.h>
46#include <asm/rtas.h> 46#include <asm/rtas.h>
47#include <asm/io.h> 47#include <asm/io.h>
48#include <asm/mmu_context.h> 48#include <asm/mmu_context.h>
diff --git a/arch/powerpc/mm/lmb.c b/arch/powerpc/mm/lmb.c
deleted file mode 100644
index 4ce23bcf8a57..000000000000
--- a/arch/powerpc/mm/lmb.c
+++ /dev/null
@@ -1,357 +0,0 @@
1/*
2 * Procedures for maintaining information about logical memory blocks.
3 *
4 * Peter Bergner, IBM Corp. June 2001.
5 * Copyright (C) 2001 Peter Bergner.
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version
10 * 2 of the License, or (at your option) any later version.
11 */
12
13#include <linux/kernel.h>
14#include <linux/init.h>
15#include <linux/bitops.h>
16#include <asm/types.h>
17#include <asm/page.h>
18#include <asm/prom.h>
19#include <asm/lmb.h>
20#ifdef CONFIG_PPC32
21#include "mmu_decl.h" /* for __max_low_memory */
22#endif
23
24#undef DEBUG
25
26#ifdef DEBUG
27#include <asm/udbg.h>
28#define DBG(fmt...) udbg_printf(fmt)
29#else
30#define DBG(fmt...)
31#endif
32
33#define LMB_ALLOC_ANYWHERE 0
34
35struct lmb lmb;
36
37void lmb_dump_all(void)
38{
39#ifdef DEBUG
40 unsigned long i;
41
42 DBG("lmb_dump_all:\n");
43 DBG(" memory.cnt = 0x%lx\n", lmb.memory.cnt);
44 DBG(" memory.size = 0x%lx\n", lmb.memory.size);
45 for (i=0; i < lmb.memory.cnt ;i++) {
46 DBG(" memory.region[0x%x].base = 0x%lx\n",
47 i, lmb.memory.region[i].base);
48 DBG(" .size = 0x%lx\n",
49 lmb.memory.region[i].size);
50 }
51
52 DBG("\n reserved.cnt = 0x%lx\n", lmb.reserved.cnt);
53 DBG(" reserved.size = 0x%lx\n", lmb.reserved.size);
54 for (i=0; i < lmb.reserved.cnt ;i++) {
55 DBG(" reserved.region[0x%x].base = 0x%lx\n",
56 i, lmb.reserved.region[i].base);
57 DBG(" .size = 0x%lx\n",
58 lmb.reserved.region[i].size);
59 }
60#endif /* DEBUG */
61}
62
63static unsigned long __init lmb_addrs_overlap(unsigned long base1,
64 unsigned long size1, unsigned long base2, unsigned long size2)
65{
66 return ((base1 < (base2+size2)) && (base2 < (base1+size1)));
67}
68
69static long __init lmb_addrs_adjacent(unsigned long base1, unsigned long size1,
70 unsigned long base2, unsigned long size2)
71{
72 if (base2 == base1 + size1)
73 return 1;
74 else if (base1 == base2 + size2)
75 return -1;
76
77 return 0;
78}
79
80static long __init lmb_regions_adjacent(struct lmb_region *rgn,
81 unsigned long r1, unsigned long r2)
82{
83 unsigned long base1 = rgn->region[r1].base;
84 unsigned long size1 = rgn->region[r1].size;
85 unsigned long base2 = rgn->region[r2].base;
86 unsigned long size2 = rgn->region[r2].size;
87
88 return lmb_addrs_adjacent(base1, size1, base2, size2);
89}
90
91static void __init lmb_remove_region(struct lmb_region *rgn, unsigned long r)
92{
93 unsigned long i;
94
95 for (i = r; i < rgn->cnt - 1; i++) {
96 rgn->region[i].base = rgn->region[i + 1].base;
97 rgn->region[i].size = rgn->region[i + 1].size;
98 }
99 rgn->cnt--;
100}
101
102/* Assumption: base addr of region 1 < base addr of region 2 */
103static void __init lmb_coalesce_regions(struct lmb_region *rgn,
104 unsigned long r1, unsigned long r2)
105{
106 rgn->region[r1].size += rgn->region[r2].size;
107 lmb_remove_region(rgn, r2);
108}
109
110/* This routine called with relocation disabled. */
111void __init lmb_init(void)
112{
113 /* Create a dummy zero size LMB which will get coalesced away later.
114 * This simplifies the lmb_add() code below...
115 */
116 lmb.memory.region[0].base = 0;
117 lmb.memory.region[0].size = 0;
118 lmb.memory.cnt = 1;
119
120 /* Ditto. */
121 lmb.reserved.region[0].base = 0;
122 lmb.reserved.region[0].size = 0;
123 lmb.reserved.cnt = 1;
124}
125
126/* This routine may be called with relocation disabled. */
127void __init lmb_analyze(void)
128{
129 int i;
130
131 lmb.memory.size = 0;
132
133 for (i = 0; i < lmb.memory.cnt; i++)
134 lmb.memory.size += lmb.memory.region[i].size;
135}
136
137/* This routine called with relocation disabled. */
138static long __init lmb_add_region(struct lmb_region *rgn, unsigned long base,
139 unsigned long size)
140{
141 unsigned long coalesced = 0;
142 long adjacent, i;
143
144 /* First try and coalesce this LMB with another. */
145 for (i=0; i < rgn->cnt; i++) {
146 unsigned long rgnbase = rgn->region[i].base;
147 unsigned long rgnsize = rgn->region[i].size;
148
149 if ((rgnbase == base) && (rgnsize == size))
150 /* Already have this region, so we're done */
151 return 0;
152
153 adjacent = lmb_addrs_adjacent(base,size,rgnbase,rgnsize);
154 if ( adjacent > 0 ) {
155 rgn->region[i].base -= size;
156 rgn->region[i].size += size;
157 coalesced++;
158 break;
159 }
160 else if ( adjacent < 0 ) {
161 rgn->region[i].size += size;
162 coalesced++;
163 break;
164 }
165 }
166
167 if ((i < rgn->cnt-1) && lmb_regions_adjacent(rgn, i, i+1) ) {
168 lmb_coalesce_regions(rgn, i, i+1);
169 coalesced++;
170 }
171
172 if (coalesced)
173 return coalesced;
174 if (rgn->cnt >= MAX_LMB_REGIONS)
175 return -1;
176
177 /* Couldn't coalesce the LMB, so add it to the sorted table. */
178 for (i = rgn->cnt-1; i >= 0; i--) {
179 if (base < rgn->region[i].base) {
180 rgn->region[i+1].base = rgn->region[i].base;
181 rgn->region[i+1].size = rgn->region[i].size;
182 } else {
183 rgn->region[i+1].base = base;
184 rgn->region[i+1].size = size;
185 break;
186 }
187 }
188 rgn->cnt++;
189
190 return 0;
191}
192
193/* This routine may be called with relocation disabled. */
194long __init lmb_add(unsigned long base, unsigned long size)
195{
196 struct lmb_region *_rgn = &(lmb.memory);
197
198 /* On pSeries LPAR systems, the first LMB is our RMO region. */
199 if (base == 0)
200 lmb.rmo_size = size;
201
202 return lmb_add_region(_rgn, base, size);
203
204}
205
206long __init lmb_reserve(unsigned long base, unsigned long size)
207{
208 struct lmb_region *_rgn = &(lmb.reserved);
209
210 BUG_ON(0 == size);
211
212 return lmb_add_region(_rgn, base, size);
213}
214
215long __init lmb_overlaps_region(struct lmb_region *rgn, unsigned long base,
216 unsigned long size)
217{
218 unsigned long i;
219
220 for (i=0; i < rgn->cnt; i++) {
221 unsigned long rgnbase = rgn->region[i].base;
222 unsigned long rgnsize = rgn->region[i].size;
223 if ( lmb_addrs_overlap(base,size,rgnbase,rgnsize) ) {
224 break;
225 }
226 }
227
228 return (i < rgn->cnt) ? i : -1;
229}
230
231unsigned long __init lmb_alloc(unsigned long size, unsigned long align)
232{
233 return lmb_alloc_base(size, align, LMB_ALLOC_ANYWHERE);
234}
235
236unsigned long __init lmb_alloc_base(unsigned long size, unsigned long align,
237 unsigned long max_addr)
238{
239 unsigned long alloc;
240
241 alloc = __lmb_alloc_base(size, align, max_addr);
242
243 if (alloc == 0)
244 panic("ERROR: Failed to allocate 0x%lx bytes below 0x%lx.\n",
245 size, max_addr);
246
247 return alloc;
248}
249
250unsigned long __init __lmb_alloc_base(unsigned long size, unsigned long align,
251 unsigned long max_addr)
252{
253 long i, j;
254 unsigned long base = 0;
255
256 BUG_ON(0 == size);
257
258#ifdef CONFIG_PPC32
259 /* On 32-bit, make sure we allocate lowmem */
260 if (max_addr == LMB_ALLOC_ANYWHERE)
261 max_addr = __max_low_memory;
262#endif
263 for (i = lmb.memory.cnt-1; i >= 0; i--) {
264 unsigned long lmbbase = lmb.memory.region[i].base;
265 unsigned long lmbsize = lmb.memory.region[i].size;
266
267 if (max_addr == LMB_ALLOC_ANYWHERE)
268 base = _ALIGN_DOWN(lmbbase + lmbsize - size, align);
269 else if (lmbbase < max_addr) {
270 base = min(lmbbase + lmbsize, max_addr);
271 base = _ALIGN_DOWN(base - size, align);
272 } else
273 continue;
274
275 while ((lmbbase <= base) &&
276 ((j = lmb_overlaps_region(&lmb.reserved, base, size)) >= 0) )
277 base = _ALIGN_DOWN(lmb.reserved.region[j].base - size,
278 align);
279
280 if ((base != 0) && (lmbbase <= base))
281 break;
282 }
283
284 if (i < 0)
285 return 0;
286
287 lmb_add_region(&lmb.reserved, base, size);
288
289 return base;
290}
291
292/* You must call lmb_analyze() before this. */
293unsigned long __init lmb_phys_mem_size(void)
294{
295 return lmb.memory.size;
296}
297
298unsigned long __init lmb_end_of_DRAM(void)
299{
300 int idx = lmb.memory.cnt - 1;
301
302 return (lmb.memory.region[idx].base + lmb.memory.region[idx].size);
303}
304
305/* You must call lmb_analyze() after this. */
306void __init lmb_enforce_memory_limit(unsigned long memory_limit)
307{
308 unsigned long i, limit;
309 struct lmb_property *p;
310
311 if (! memory_limit)
312 return;
313
314 /* Truncate the lmb regions to satisfy the memory limit. */
315 limit = memory_limit;
316 for (i = 0; i < lmb.memory.cnt; i++) {
317 if (limit > lmb.memory.region[i].size) {
318 limit -= lmb.memory.region[i].size;
319 continue;
320 }
321
322 lmb.memory.region[i].size = limit;
323 lmb.memory.cnt = i + 1;
324 break;
325 }
326
327 if (lmb.memory.region[0].size < lmb.rmo_size)
328 lmb.rmo_size = lmb.memory.region[0].size;
329
330 /* And truncate any reserves above the limit also. */
331 for (i = 0; i < lmb.reserved.cnt; i++) {
332 p = &lmb.reserved.region[i];
333
334 if (p->base > memory_limit)
335 p->size = 0;
336 else if ((p->base + p->size) > memory_limit)
337 p->size = memory_limit - p->base;
338
339 if (p->size == 0) {
340 lmb_remove_region(&lmb.reserved, i);
341 i--;
342 }
343 }
344}
345
346int __init lmb_is_reserved(unsigned long addr)
347{
348 int i;
349
350 for (i = 0; i < lmb.reserved.cnt; i++) {
351 unsigned long upper = lmb.reserved.region[i].base +
352 lmb.reserved.region[i].size - 1;
353 if ((addr >= lmb.reserved.region[i].base) && (addr <= upper))
354 return 1;
355 }
356 return 0;
357}
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index be5c506779a7..60c019cdc69f 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -31,6 +31,7 @@
31#include <linux/initrd.h> 31#include <linux/initrd.h>
32#include <linux/pagemap.h> 32#include <linux/pagemap.h>
33#include <linux/suspend.h> 33#include <linux/suspend.h>
34#include <linux/lmb.h>
34 35
35#include <asm/pgalloc.h> 36#include <asm/pgalloc.h>
36#include <asm/prom.h> 37#include <asm/prom.h>
@@ -42,7 +43,6 @@
42#include <asm/machdep.h> 43#include <asm/machdep.h>
43#include <asm/btext.h> 44#include <asm/btext.h>
44#include <asm/tlb.h> 45#include <asm/tlb.h>
45#include <asm/lmb.h>
46#include <asm/sections.h> 46#include <asm/sections.h>
47#include <asm/vdso.h> 47#include <asm/vdso.h>
48 48
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index a300d254aac6..1efd631211ef 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -17,8 +17,9 @@
17#include <linux/nodemask.h> 17#include <linux/nodemask.h>
18#include <linux/cpu.h> 18#include <linux/cpu.h>
19#include <linux/notifier.h> 19#include <linux/notifier.h>
20#include <linux/lmb.h>
20#include <asm/sparsemem.h> 21#include <asm/sparsemem.h>
21#include <asm/lmb.h> 22#include <asm/prom.h>
22#include <asm/system.h> 23#include <asm/system.h>
23#include <asm/smp.h> 24#include <asm/smp.h>
24 25
diff --git a/arch/powerpc/mm/ppc_mmu_32.c b/arch/powerpc/mm/ppc_mmu_32.c
index 5c45d474cfcc..72de3c79210a 100644
--- a/arch/powerpc/mm/ppc_mmu_32.c
+++ b/arch/powerpc/mm/ppc_mmu_32.c
@@ -26,11 +26,11 @@
26#include <linux/mm.h> 26#include <linux/mm.h>
27#include <linux/init.h> 27#include <linux/init.h>
28#include <linux/highmem.h> 28#include <linux/highmem.h>
29#include <linux/lmb.h>
29 30
30#include <asm/prom.h> 31#include <asm/prom.h>
31#include <asm/mmu.h> 32#include <asm/mmu.h>
32#include <asm/machdep.h> 33#include <asm/machdep.h>
33#include <asm/lmb.h>
34 34
35#include "mmu_decl.h" 35#include "mmu_decl.h"
36 36
diff --git a/arch/powerpc/mm/stab.c b/arch/powerpc/mm/stab.c
index 50448d5de9d2..efbbd13d93e5 100644
--- a/arch/powerpc/mm/stab.c
+++ b/arch/powerpc/mm/stab.c
@@ -12,12 +12,14 @@
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/pgtable.h> 17#include <asm/pgtable.h>
16#include <asm/mmu.h> 18#include <asm/mmu.h>
17#include <asm/mmu_context.h> 19#include <asm/mmu_context.h>
18#include <asm/paca.h> 20#include <asm/paca.h>
19#include <asm/cputable.h> 21#include <asm/cputable.h>
20#include <asm/lmb.h> 22#include <asm/prom.h>
21#include <asm/abs_addr.h> 23#include <asm/abs_addr.h>
22#include <asm/firmware.h> 24#include <asm/firmware.h>
23#include <asm/iseries/hv_call.h> 25#include <asm/iseries/hv_call.h>
diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c
index edab631a8dcb..61381586895f 100644
--- a/arch/powerpc/platforms/cell/iommu.c
+++ b/arch/powerpc/platforms/cell/iommu.c
@@ -28,13 +28,13 @@
28#include <linux/notifier.h> 28#include <linux/notifier.h>
29#include <linux/of.h> 29#include <linux/of.h>
30#include <linux/of_platform.h> 30#include <linux/of_platform.h>
31#include <linux/lmb.h>
31 32
32#include <asm/prom.h> 33#include <asm/prom.h>
33#include <asm/iommu.h> 34#include <asm/iommu.h>
34#include <asm/machdep.h> 35#include <asm/machdep.h>
35#include <asm/pci-bridge.h> 36#include <asm/pci-bridge.h>
36#include <asm/udbg.h> 37#include <asm/udbg.h>
37#include <asm/lmb.h>
38#include <asm/firmware.h> 38#include <asm/firmware.h>
39#include <asm/cell-regs.h> 39#include <asm/cell-regs.h>
40 40
diff --git a/arch/powerpc/platforms/maple/setup.c b/arch/powerpc/platforms/maple/setup.c
index 3ce2d73b4177..dadf33b5c09c 100644
--- a/arch/powerpc/platforms/maple/setup.c
+++ b/arch/powerpc/platforms/maple/setup.c
@@ -43,6 +43,7 @@
43#include <linux/smp.h> 43#include <linux/smp.h>
44#include <linux/bitops.h> 44#include <linux/bitops.h>
45#include <linux/of_device.h> 45#include <linux/of_device.h>
46#include <linux/lmb.h>
46 47
47#include <asm/processor.h> 48#include <asm/processor.h>
48#include <asm/sections.h> 49#include <asm/sections.h>
@@ -57,7 +58,6 @@
57#include <asm/dma.h> 58#include <asm/dma.h>
58#include <asm/cputable.h> 59#include <asm/cputable.h>
59#include <asm/time.h> 60#include <asm/time.h>
60#include <asm/lmb.h>
61#include <asm/mpic.h> 61#include <asm/mpic.h>
62#include <asm/rtas.h> 62#include <asm/rtas.h>
63#include <asm/udbg.h> 63#include <asm/udbg.h>
diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c
index 36ff1b6b7fac..59404baf911f 100644
--- a/arch/powerpc/platforms/powermac/setup.c
+++ b/arch/powerpc/platforms/powermac/setup.c
@@ -53,6 +53,7 @@
53#include <linux/suspend.h> 53#include <linux/suspend.h>
54#include <linux/of_device.h> 54#include <linux/of_device.h>
55#include <linux/of_platform.h> 55#include <linux/of_platform.h>
56#include <linux/lmb.h>
56 57
57#include <asm/reg.h> 58#include <asm/reg.h>
58#include <asm/sections.h> 59#include <asm/sections.h>
@@ -74,7 +75,6 @@
74#include <asm/iommu.h> 75#include <asm/iommu.h>
75#include <asm/smu.h> 76#include <asm/smu.h>
76#include <asm/pmc.h> 77#include <asm/pmc.h>
77#include <asm/lmb.h>
78#include <asm/udbg.h> 78#include <asm/udbg.h>
79 79
80#include "pmac.h" 80#include "pmac.h"
diff --git a/arch/powerpc/platforms/ps3/htab.c b/arch/powerpc/platforms/ps3/htab.c
index 7382f195c4f8..1cf901fa9031 100644
--- a/arch/powerpc/platforms/ps3/htab.c
+++ b/arch/powerpc/platforms/ps3/htab.c
@@ -19,9 +19,10 @@
19 */ 19 */
20 20
21#include <linux/kernel.h> 21#include <linux/kernel.h>
22#include <linux/lmb.h>
22 23
23#include <asm/machdep.h> 24#include <asm/machdep.h>
24#include <asm/lmb.h> 25#include <asm/prom.h>
25#include <asm/udbg.h> 26#include <asm/udbg.h>
26#include <asm/lv1call.h> 27#include <asm/lv1call.h>
27#include <asm/ps3fb.h> 28#include <asm/ps3fb.h>
diff --git a/arch/powerpc/platforms/ps3/mm.c b/arch/powerpc/platforms/ps3/mm.c
index 68900476c842..5b3fb2b321ab 100644
--- a/arch/powerpc/platforms/ps3/mm.c
+++ b/arch/powerpc/platforms/ps3/mm.c
@@ -21,9 +21,10 @@
21#include <linux/kernel.h> 21#include <linux/kernel.h>
22#include <linux/module.h> 22#include <linux/module.h>
23#include <linux/memory_hotplug.h> 23#include <linux/memory_hotplug.h>
24#include <linux/lmb.h>
24 25
25#include <asm/firmware.h> 26#include <asm/firmware.h>
26#include <asm/lmb.h> 27#include <asm/prom.h>
27#include <asm/udbg.h> 28#include <asm/udbg.h>
28#include <asm/lv1call.h> 29#include <asm/lv1call.h>
29 30
diff --git a/arch/powerpc/platforms/ps3/os-area.c b/arch/powerpc/platforms/ps3/os-area.c
index b9ea09d9d2fb..c73379ec9141 100644
--- a/arch/powerpc/platforms/ps3/os-area.c
+++ b/arch/powerpc/platforms/ps3/os-area.c
@@ -24,8 +24,9 @@
24#include <linux/fs.h> 24#include <linux/fs.h>
25#include <linux/syscalls.h> 25#include <linux/syscalls.h>
26#include <linux/ctype.h> 26#include <linux/ctype.h>
27#include <linux/lmb.h>
27 28
28#include <asm/lmb.h> 29#include <asm/prom.h>
29 30
30#include "platform.h" 31#include "platform.h"
31 32
diff --git a/arch/powerpc/sysdev/dart_iommu.c b/arch/powerpc/sysdev/dart_iommu.c
index e0e24b01e3a6..005c2ecf976f 100644
--- a/arch/powerpc/sysdev/dart_iommu.c
+++ b/arch/powerpc/sysdev/dart_iommu.c
@@ -37,6 +37,7 @@
37#include <linux/dma-mapping.h> 37#include <linux/dma-mapping.h>
38#include <linux/vmalloc.h> 38#include <linux/vmalloc.h>
39#include <linux/suspend.h> 39#include <linux/suspend.h>
40#include <linux/lmb.h>
40#include <asm/io.h> 41#include <asm/io.h>
41#include <asm/prom.h> 42#include <asm/prom.h>
42#include <asm/iommu.h> 43#include <asm/iommu.h>
@@ -44,7 +45,6 @@
44#include <asm/machdep.h> 45#include <asm/machdep.h>
45#include <asm/abs_addr.h> 46#include <asm/abs_addr.h>
46#include <asm/cacheflush.h> 47#include <asm/cacheflush.h>
47#include <asm/lmb.h>
48#include <asm/ppc-pci.h> 48#include <asm/ppc-pci.h>
49 49
50#include "dart.h" 50#include "dart.h"