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authorRussell King <rmk+kernel@arm.linux.org.uk>2010-01-27 22:11:32 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-01-27 22:11:32 +0000
commita814290e17ae314bd614476cffc6119846eca27e (patch)
tree9fc40e6a34cd275bedcd2344383bd5e84f6c20df /arch/arm/mm
parente55d1936f207f81c4e225d6c513e0fa487e544c5 (diff)
parentab5d97db1c6ced3e95c00d097931471707032b1f (diff)
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Merge branch 'for-rmk/samsung3' of git://git.fluff.org/bjdooks/linux into devel-stable
Diffstat (limited to 'arch/arm/mm')
-rw-r--r--arch/arm/mm/Makefile12
-rw-r--r--arch/arm/mm/cache-xsc3l2.c11
-rw-r--r--arch/arm/mm/init.c2
-rw-r--r--arch/arm/mm/proc-xsc3.S7
-rw-r--r--arch/arm/mm/tlb-v7.S1
5 files changed, 25 insertions, 8 deletions
diff --git a/arch/arm/mm/Makefile b/arch/arm/mm/Makefile
index 827e238..e8d34a80 100644
--- a/arch/arm/mm/Makefile
+++ b/arch/arm/mm/Makefile
@@ -27,6 +27,9 @@ obj-$(CONFIG_CPU_ABRT_EV5TJ) += abort-ev5tj.o
obj-$(CONFIG_CPU_ABRT_EV6) += abort-ev6.o
obj-$(CONFIG_CPU_ABRT_EV7) += abort-ev7.o
+AFLAGS_abort-ev6.o :=-Wa,-march=armv6k
+AFLAGS_abort-ev7.o :=-Wa,-march=armv7-a
+
obj-$(CONFIG_CPU_PABRT_LEGACY) += pabort-legacy.o
obj-$(CONFIG_CPU_PABRT_V6) += pabort-v6.o
obj-$(CONFIG_CPU_PABRT_V7) += pabort-v7.o
@@ -39,6 +42,9 @@ obj-$(CONFIG_CPU_CACHE_V6) += cache-v6.o
obj-$(CONFIG_CPU_CACHE_V7) += cache-v7.o
obj-$(CONFIG_CPU_CACHE_FA) += cache-fa.o
+AFLAGS_cache-v6.o :=-Wa,-march=armv6
+AFLAGS_cache-v7.o :=-Wa,-march=armv7-a
+
obj-$(CONFIG_CPU_COPY_V3) += copypage-v3.o
obj-$(CONFIG_CPU_COPY_V4WT) += copypage-v4wt.o
obj-$(CONFIG_CPU_COPY_V4WB) += copypage-v4wb.o
@@ -58,6 +64,9 @@ obj-$(CONFIG_CPU_TLB_V6) += tlb-v6.o
obj-$(CONFIG_CPU_TLB_V7) += tlb-v7.o
obj-$(CONFIG_CPU_TLB_FA) += tlb-fa.o
+AFLAGS_tlb-v6.o :=-Wa,-march=armv6
+AFLAGS_tlb-v7.o :=-Wa,-march=armv7-a
+
obj-$(CONFIG_CPU_ARM610) += proc-arm6_7.o
obj-$(CONFIG_CPU_ARM710) += proc-arm6_7.o
obj-$(CONFIG_CPU_ARM7TDMI) += proc-arm7tdmi.o
@@ -84,6 +93,9 @@ obj-$(CONFIG_CPU_FEROCEON) += proc-feroceon.o
obj-$(CONFIG_CPU_V6) += proc-v6.o
obj-$(CONFIG_CPU_V7) += proc-v7.o
+AFLAGS_proc-v6.o :=-Wa,-march=armv6
+AFLAGS_proc-v7.o :=-Wa,-march=armv7-a
+
obj-$(CONFIG_CACHE_FEROCEON_L2) += cache-feroceon-l2.o
obj-$(CONFIG_CACHE_L2X0) += cache-l2x0.o
obj-$(CONFIG_CACHE_XSC3L2) += cache-xsc3l2.o
diff --git a/arch/arm/mm/cache-xsc3l2.c b/arch/arm/mm/cache-xsc3l2.c
index 5d180cb..c315492 100644
--- a/arch/arm/mm/cache-xsc3l2.c
+++ b/arch/arm/mm/cache-xsc3l2.c
@@ -221,15 +221,14 @@ static int __init xsc3_l2_init(void)
if (!cpu_is_xsc3() || !xsc3_l2_present())
return 0;
- if (!(get_cr() & CR_L2)) {
+ if (get_cr() & CR_L2) {
pr_info("XScale3 L2 cache enabled.\n");
- adjust_cr(CR_L2, CR_L2);
xsc3_l2_inv_all();
- }
- outer_cache.inv_range = xsc3_l2_inv_range;
- outer_cache.clean_range = xsc3_l2_clean_range;
- outer_cache.flush_range = xsc3_l2_flush_range;
+ outer_cache.inv_range = xsc3_l2_inv_range;
+ outer_cache.clean_range = xsc3_l2_clean_range;
+ outer_cache.flush_range = xsc3_l2_flush_range;
+ }
return 0;
}
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 52c40d1..a04ffbb 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -616,7 +616,7 @@ void __init mem_init(void)
"%dK data, %dK init, %luK highmem)\n",
nr_free_pages() << (PAGE_SHIFT-10), codesize >> 10,
datasize >> 10, initsize >> 10,
- (unsigned long) (totalhigh_pages << (PAGE_SHIFT-10)));
+ totalhigh_pages << (PAGE_SHIFT-10));
if (PAGE_SIZE >= 16384 && num_physpages <= 128) {
extern int sysctl_overcommit_memory;
diff --git a/arch/arm/mm/proc-xsc3.S b/arch/arm/mm/proc-xsc3.S
index 96456f5..8e4f6dc 100644
--- a/arch/arm/mm/proc-xsc3.S
+++ b/arch/arm/mm/proc-xsc3.S
@@ -407,6 +407,13 @@ __xsc3_setup:
adr r5, xsc3_crval
ldmia r5, {r5, r6}
+
+#ifdef CONFIG_CACHE_XSC3L2
+ mrc p15, 1, r0, c0, c0, 1 @ get L2 present information
+ ands r0, r0, #0xf8
+ orrne r6, r6, #(1 << 26) @ enable L2 if present
+#endif
+
mrc p15, 0, r0, c1, c0, 0 @ get control register
bic r0, r0, r5 @ ..V. ..R. .... ..A.
orr r0, r0, r6 @ ..VI Z..S .... .C.M (mmu)
diff --git a/arch/arm/mm/tlb-v7.S b/arch/arm/mm/tlb-v7.S
index a26a605..0cb1848 100644
--- a/arch/arm/mm/tlb-v7.S
+++ b/arch/arm/mm/tlb-v7.S
@@ -40,7 +40,6 @@ ENTRY(v7wbi_flush_user_tlb_range)
asid r3, r3 @ mask ASID
orr r0, r3, r0, lsl #PAGE_SHIFT @ Create initial MVA
mov r1, r1, lsl #PAGE_SHIFT
- vma_vm_flags r2, r2 @ get vma->vm_flags
1:
#ifdef CONFIG_SMP
mcr p15, 0, r0, c8, c3, 1 @ TLB invalidate U MVA (shareable)