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[ARM] 3016/1: Replace map_desc.physical with map_desc.pfn

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Patch from Deepak Saxena

Convert map_desc.physical to map_desc.pfn. This allows us to add
support for 36-bit addressed physical devices in the static maps
without having to resort to u64 variables.

Signed-off-by: Deepak Saxena <dsaxena@plexity.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Deepak Saxena
2005-10-28 15:19:11 +01:00
committed by Russell King
parent c8d2729858
commit 9769c2468d
3 changed files with 14 additions and 11 deletions
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12
arch/arm/mm/init.c
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@@ -262,8 +262,8 @@ bootmem_init_node(int node, int initrd_node, struct meminfo *mi)
if (end_pfn < end)
end_pfn = end;
map.physical = mi->bank[i].start;
map.virtual = __phys_to_virt(map.physical);
map.pfn = __phys_to_pfn(mi->bank[i].start);
map.virtual = __phys_to_virt(mi->bank[i].start);
map.length = mi->bank[i].size;
map.type = MT_MEMORY;
@@ -365,7 +365,7 @@ static void __init bootmem_init(struct meminfo *mi)
#ifdef CONFIG_XIP_KERNEL
#error needs fixing
p->physical = CONFIG_XIP_PHYS_ADDR & PMD_MASK;
p->pfn = __phys_to_pfn(CONFIG_XIP_PHYS_ADDR & PMD_MASK);
p->virtual = (unsigned long)&_stext & PMD_MASK;
p->length = ((unsigned long)&_etext - p->virtual + ~PMD_MASK) & PMD_MASK;
p->type = MT_ROM;
@@ -439,14 +439,14 @@ static void __init devicemaps_init(struct machine_desc *mdesc)
* Map the cache flushing regions.
*/
#ifdef FLUSH_BASE
map.physical = FLUSH_BASE_PHYS;
map.pfn = __phys_to_pfn(FLUSH_BASE_PHYS);
map.virtual = FLUSH_BASE;
map.length = PGDIR_SIZE;
map.type = MT_CACHECLEAN;
create_mapping(&map);
#endif
#ifdef FLUSH_BASE_MINICACHE
map.physical = FLUSH_BASE_PHYS + PGDIR_SIZE;
map.pfn = __phys_to_pfn(FLUSH_BASE_PHYS + PGDIR_SIZE);
map.virtual = FLUSH_BASE_MINICACHE;
map.length = PGDIR_SIZE;
map.type = MT_MINICLEAN;
@@ -464,7 +464,7 @@ static void __init devicemaps_init(struct machine_desc *mdesc)
* location (0xffff0000). If we aren't using high-vectors, also
* create a mapping at the low-vectors virtual address.
*/
map.physical = virt_to_phys(vectors);
map.pfn = __phys_to_pfn(virt_to_phys(vectors));
map.virtual = 0xffff0000;
map.length = PAGE_SIZE;
map.type = MT_HIGH_VECTORS;