diff options
Diffstat (limited to 'arch/powerpc')
-rw-r--r-- | arch/powerpc/kernel/setup_64.c | 2 | ||||
-rw-r--r-- | arch/powerpc/mm/init_64.c | 48 |
2 files changed, 0 insertions, 50 deletions
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index f96c49b03ba0..2f3fdad35594 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c | |||
@@ -497,8 +497,6 @@ void __init setup_system(void) | |||
497 | #endif | 497 | #endif |
498 | printk("-----------------------------------------------------\n"); | 498 | printk("-----------------------------------------------------\n"); |
499 | 499 | ||
500 | mm_init_ppc64(); | ||
501 | |||
502 | DBG(" <- setup_system()\n"); | 500 | DBG(" <- setup_system()\n"); |
503 | } | 501 | } |
504 | 502 | ||
diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c index 81cfb0c2ec58..5d4733d61805 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; |