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authorAnton Arapov <anton@redhat.com>2012-08-07 11:21:50 +0200
committerAnton Arapov <anton@redhat.com>2012-08-07 12:52:25 +0200
commit1d44b6f3fcf6058fb7c960b7558766967e8028f7 (patch)
tree53d88547c973ba048d233091a3f91f3173ad01df /arch/sparc/mm/init_32.c
parentd91eda5d7b0383e6a0c83e0146ff141ff3b1355b (diff)
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fedora kernel: 222b075b3ff0d9e88aa9353e3c80667756ed7361v3.5.0-4
Signed-off-by: Anton Arapov <anton@redhat.com>
Diffstat (limited to 'arch/sparc/mm/init_32.c')
-rw-r--r--arch/sparc/mm/init_32.c51
1 files changed, 0 insertions, 51 deletions
diff --git a/arch/sparc/mm/init_32.c b/arch/sparc/mm/init_32.c
index c5f9021b1a0..ef5c779ec85 100644
--- a/arch/sparc/mm/init_32.c
+++ b/arch/sparc/mm/init_32.c
@@ -27,7 +27,6 @@
#include <linux/gfp.h>
#include <asm/sections.h>
-#include <asm/vac-ops.h>
#include <asm/page.h>
#include <asm/pgtable.h>
#include <asm/vaddrs.h>
@@ -45,9 +44,6 @@ EXPORT_SYMBOL(phys_base);
unsigned long pfn_base;
EXPORT_SYMBOL(pfn_base);
-unsigned long page_kernel;
-EXPORT_SYMBOL(page_kernel);
-
struct sparc_phys_banks sp_banks[SPARC_PHYS_BANKS+1];
unsigned long sparc_unmapped_base;
@@ -287,44 +283,16 @@ unsigned long __init bootmem_init(unsigned long *pages_avail)
}
/*
- * check_pgt_cache
- *
- * This is called at the end of unmapping of VMA (zap_page_range),
- * to rescan the page cache for architecture specific things,
- * presumably something like sun4/sun4c PMEGs. Most architectures
- * define check_pgt_cache empty.
- *
- * We simply copy the 2.4 implementation for now.
- */
-static int pgt_cache_water[2] = { 25, 50 };
-
-void check_pgt_cache(void)
-{
- do_check_pgt_cache(pgt_cache_water[0], pgt_cache_water[1]);
-}
-
-/*
* paging_init() sets up the page tables: We call the MMU specific
* init routine based upon the Sun model type on the Sparc.
*
*/
-extern void sun4c_paging_init(void);
extern void srmmu_paging_init(void);
extern void device_scan(void);
-pgprot_t PAGE_SHARED __read_mostly;
-EXPORT_SYMBOL(PAGE_SHARED);
-
void __init paging_init(void)
{
switch(sparc_cpu_model) {
- case sun4c:
- case sun4e:
- case sun4:
- sun4c_paging_init();
- sparc_unmapped_base = 0xe0000000;
- BTFIXUPSET_SETHI(sparc_unmapped_base, 0xe0000000);
- break;
case sparc_leon:
leon_init();
/* fall through */
@@ -332,7 +300,6 @@ void __init paging_init(void)
case sun4d:
srmmu_paging_init();
sparc_unmapped_base = 0x50000000;
- BTFIXUPSET_SETHI(sparc_unmapped_base, 0x50000000);
break;
default:
prom_printf("paging_init: Cannot init paging on this Sparc\n");
@@ -341,24 +308,6 @@ void __init paging_init(void)
prom_halt();
}
- /* Initialize the protection map with non-constant, MMU dependent values. */
- protection_map[0] = PAGE_NONE;
- protection_map[1] = PAGE_READONLY;
- protection_map[2] = PAGE_COPY;
- protection_map[3] = PAGE_COPY;
- protection_map[4] = PAGE_READONLY;
- protection_map[5] = PAGE_READONLY;
- protection_map[6] = PAGE_COPY;
- protection_map[7] = PAGE_COPY;
- protection_map[8] = PAGE_NONE;
- protection_map[9] = PAGE_READONLY;
- protection_map[10] = PAGE_SHARED;
- protection_map[11] = PAGE_SHARED;
- protection_map[12] = PAGE_READONLY;
- protection_map[13] = PAGE_READONLY;
- protection_map[14] = PAGE_SHARED;
- protection_map[15] = PAGE_SHARED;
- btfixup();
prom_build_devicetree();
of_fill_in_cpu_data();
device_scan();