diff options
Diffstat (limited to 'arch/powerpc/mm/init_32.c')
| -rw-r--r-- | arch/powerpc/mm/init_32.c | 41 |
1 files changed, 40 insertions, 1 deletions
diff --git a/arch/powerpc/mm/init_32.c b/arch/powerpc/mm/init_32.c index e1f5ded851f6..977cb1ee5e72 100644 --- a/arch/powerpc/mm/init_32.c +++ b/arch/powerpc/mm/init_32.c @@ -41,7 +41,6 @@ #include <asm/machdep.h> #include <asm/btext.h> #include <asm/tlb.h> -#include <asm/prom.h> #include <asm/lmb.h> #include <asm/sections.h> @@ -133,6 +132,9 @@ void __init MMU_init(void) /* 601 can only access 16MB at the moment */ if (PVR_VER(mfspr(SPRN_PVR)) == 1) __initial_memory_limit = 0x01000000; + /* 8xx can only access 8MB at the moment */ + if (PVR_VER(mfspr(SPRN_PVR)) == 0x50) + __initial_memory_limit = 0x00800000; /* parse args from command line */ MMU_setup(); @@ -256,3 +258,40 @@ void free_initrd_mem(unsigned long start, unsigned long end) } } #endif + +#ifdef CONFIG_PROC_KCORE +static struct kcore_list kcore_vmem; + +static int __init setup_kcore(void) +{ + int i; + + for (i = 0; i < lmb.memory.cnt; i++) { + unsigned long base; + unsigned long size; + struct kcore_list *kcore_mem; + + base = lmb.memory.region[i].base; + size = lmb.memory.region[i].size; + + kcore_mem = kmalloc(sizeof(struct kcore_list), GFP_ATOMIC); + if (!kcore_mem) + panic("%s: kmalloc failed\n", __FUNCTION__); + + /* must stay under 32 bits */ + if ( 0xfffffffful - (unsigned long)__va(base) < size) { + size = 0xfffffffful - (unsigned long)(__va(base)); + printk(KERN_DEBUG "setup_kcore: restrict size=%lx\n", + size); + } + + kclist_add(kcore_mem, __va(base), size); + } + + kclist_add(&kcore_vmem, (void *)VMALLOC_START, + VMALLOC_END-VMALLOC_START); + + return 0; +} +module_init(setup_kcore); +#endif |