diff options
author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-23 01:20:46 -0500 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-23 01:20:46 -0500 |
commit | 2e6e33bab6e1996a5dec9108fb467b52b841e7a8 (patch) | |
tree | 6b98b15c2fe7899cdeb2453589cdee00f7853492 /arch/powerpc/mm/init_64.c | |
parent | b7ad6d75028d021362221d9b2db19fcff995c3f8 (diff) | |
parent | b88a0b1d5560cf1959c1565617e460a45c688a08 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (78 commits)
[PATCH] powerpc: Add FSL SEC node to documentation
[PATCH] macintosh: tidy-up driver_register() return values
[PATCH] powerpc: tidy-up of_register_driver()/driver_register() return values
[PATCH] powerpc: via-pmu warning fix
[PATCH] macintosh: cleanup the use of i2c headers
[PATCH] powerpc: dont allow old RTC to be selected
[PATCH] powerpc: make powerbook_sleep_grackle static
[PATCH] powerpc: Fix warning in add_memory
[PATCH] powerpc: update mailing list addresses
[PATCH] powerpc: Remove calculation of io hole
[PATCH] powerpc: iseries: Add bootargs to /chosen
[PATCH] powerpc: iseries: Add /system-id, /model and /compatible
[PATCH] powerpc: Add strne2a() to convert a string from EBCDIC to ASCII
[PATCH] powerpc: iseries: Make more stuff static in platforms/iseries/mf.c
[PATCH] powerpc: iseries: Remove pointless iSeries_(restart|power_off|halt)
[PATCH] powerpc: iseries: mf related cleanups
[PATCH] powerpc: Replace platform_is_lpar() with a firmware feature
[PATCH] powerpc: trivial: Cleanup whitespace in cputable.h
[PATCH] powerpc: Remove unused iommu_off logic from pSeries_init_early()
[PATCH] powerpc: Unconfuse htab_bolt_mapping() callers
...
Diffstat (limited to 'arch/powerpc/mm/init_64.c')
-rw-r--r-- | arch/powerpc/mm/init_64.c | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c index bacb71c89811..babebd15bdc4 100644 --- a/arch/powerpc/mm/init_64.c +++ b/arch/powerpc/mm/init_64.c | |||
@@ -84,54 +84,6 @@ | |||
84 | /* max amount of RAM to use */ | 84 | /* max amount of RAM to use */ |
85 | unsigned long __max_memory; | 85 | unsigned long __max_memory; |
86 | 86 | ||
87 | /* info on what we think the IO hole is */ | ||
88 | unsigned long io_hole_start; | ||
89 | unsigned long io_hole_size; | ||
90 | |||
91 | /* | ||
92 | * Do very early mm setup. | ||
93 | */ | ||
94 | void __init mm_init_ppc64(void) | ||
95 | { | ||
96 | #ifndef CONFIG_PPC_ISERIES | ||
97 | unsigned long i; | ||
98 | #endif | ||
99 | |||
100 | ppc64_boot_msg(0x100, "MM Init"); | ||
101 | |||
102 | /* This is the story of the IO hole... please, keep seated, | ||
103 | * unfortunately, we are out of oxygen masks at the moment. | ||
104 | * So we need some rough way to tell where your big IO hole | ||
105 | * is. On pmac, it's between 2G and 4G, on POWER3, it's around | ||
106 | * that area as well, on POWER4 we don't have one, etc... | ||
107 | * We need that as a "hint" when sizing the TCE table on POWER3 | ||
108 | * So far, the simplest way that seem work well enough for us it | ||
109 | * to just assume that the first discontinuity in our physical | ||
110 | * RAM layout is the IO hole. That may not be correct in the future | ||
111 | * (and isn't on iSeries but then we don't care ;) | ||
112 | */ | ||
113 | |||
114 | #ifndef CONFIG_PPC_ISERIES | ||
115 | for (i = 1; i < lmb.memory.cnt; i++) { | ||
116 | unsigned long base, prevbase, prevsize; | ||
117 | |||
118 | prevbase = lmb.memory.region[i-1].base; | ||
119 | prevsize = lmb.memory.region[i-1].size; | ||
120 | base = lmb.memory.region[i].base; | ||
121 | if (base > (prevbase + prevsize)) { | ||
122 | io_hole_start = prevbase + prevsize; | ||
123 | io_hole_size = base - (prevbase + prevsize); | ||
124 | break; | ||
125 | } | ||
126 | } | ||
127 | #endif /* CONFIG_PPC_ISERIES */ | ||
128 | if (io_hole_start) | ||
129 | printk("IO Hole assumed to be %lx -> %lx\n", | ||
130 | io_hole_start, io_hole_start + io_hole_size - 1); | ||
131 | |||
132 | ppc64_boot_msg(0x100, "MM Init Done"); | ||
133 | } | ||
134 | |||
135 | void free_initmem(void) | 87 | void free_initmem(void) |
136 | { | 88 | { |
137 | unsigned long addr; | 89 | unsigned long addr; |