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Diffstat (limited to 'arch/microblaze/mm/init.c')
-rw-r--r--arch/microblaze/mm/init.c49
1 files changed, 0 insertions, 49 deletions
diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
index 45da639bd22c..7129a20881ea 100644
--- a/arch/microblaze/mm/init.c
+++ b/arch/microblaze/mm/init.c
@@ -29,11 +29,6 @@
/* Use for MMU and noMMU because of PCI generic code */
int mem_init_done;
-#ifndef CONFIG_MMU
-unsigned int __page_offset;
-EXPORT_SYMBOL(__page_offset);
-#endif /* CONFIG_MMU */
-
char *klimit = _end;
/*
@@ -82,13 +77,11 @@ static void highmem_setup(void)
static void __init paging_init(void)
{
unsigned long zones_size[MAX_NR_ZONES];
-#ifdef CONFIG_MMU
int idx;
/* Setup fixmaps */
for (idx = 0; idx < __end_of_fixed_addresses; idx++)
clear_fixmap(idx);
-#endif
/* Clean every zones */
memset(zones_size, 0, sizeof(zones_size));
@@ -108,40 +101,6 @@ static void __init paging_init(void)
void __init setup_memory(void)
{
-#ifndef CONFIG_MMU
- u32 kernel_align_start, kernel_align_size;
- phys_addr_t start, end;
- u64 i;
-
- /* Find main memory where is the kernel */
- for_each_mem_range(i, &start, &end) {
- memory_start = start;
- lowmem_size = end - start;
- if ((memory_start <= (u32)_text) &&
- ((u32)_text <= (memory_start + lowmem_size - 1))) {
- memory_size = lowmem_size;
- PAGE_OFFSET = memory_start;
- pr_info("%s: Main mem: 0x%x, size 0x%08x\n",
- __func__, (u32) memory_start,
- (u32) memory_size);
- break;
- }
- }
-
- if (!memory_start || !memory_size) {
- panic("%s: Missing memory setting 0x%08x, size=0x%08x\n",
- __func__, (u32) memory_start, (u32) memory_size);
- }
-
- /* reservation of region where is the kernel */
- kernel_align_start = PAGE_DOWN((u32)_text);
- /* ALIGN can be remove because _end in vmlinux.lds.S is align */
- kernel_align_size = PAGE_UP((u32)klimit) - kernel_align_start;
- pr_info("%s: kernel addr:0x%08x-0x%08x size=0x%08x\n",
- __func__, kernel_align_start, kernel_align_start
- + kernel_align_size, kernel_align_size);
- memblock_reserve(kernel_align_start, kernel_align_size);
-#endif
/*
* Kernel:
* start: base phys address of kernel - page align
@@ -181,12 +140,6 @@ void __init mem_init(void)
mem_init_done = 1;
}
-#ifndef CONFIG_MMU
-int page_is_ram(unsigned long pfn)
-{
- return __range_ok(pfn, 0);
-}
-#else
int page_is_ram(unsigned long pfn)
{
return pfn < max_low_pfn;
@@ -330,8 +283,6 @@ void __init *early_get_page(void)
NUMA_NO_NODE);
}
-#endif /* CONFIG_MMU */
-
void * __ref zalloc_maybe_bootmem(size_t size, gfp_t mask)
{
void *p;