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authorPaul Mundt <lethal@linux-sh.org>2007-07-31 17:07:28 +0900
committerPaul Mundt <lethal@linux-sh.org>2007-09-21 11:57:46 +0900
commite7bd34a15b85655f24d1b45edbe3bdfebf9d027e (patch)
tree051647273266582fe95dcc5cf008534c264be5ae /arch/sh/mm/Makefile
parentac919986d7dfc5d1d9f5585521307f222a8ebeaf (diff)
sh: Support explicit L1 cache disabling.
This reworks the cache mode configuration in Kconfig, and allows for explicit selection of write-back/write-through/off configurations. All of the cache flushing routines are optimized away for the off case. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/mm/Makefile')
-rw-r--r--arch/sh/mm/Makefile11
1 files changed, 6 insertions, 5 deletions
diff --git a/arch/sh/mm/Makefile b/arch/sh/mm/Makefile
index 4061e89d84d..e73d7f970ce 100644
--- a/arch/sh/mm/Makefile
+++ b/arch/sh/mm/Makefile
@@ -4,9 +4,10 @@
obj-y := init.o extable.o consistent.o
-obj-$(CONFIG_CPU_SH2) += cache-sh2.o
-obj-$(CONFIG_CPU_SH3) += cache-sh3.o
-obj-$(CONFIG_CPU_SH4) += cache-sh4.o
+cache-$(CONFIG_CPU_SH2) := cache-sh2.o
+cache-$(CONFIG_CPU_SH3) := cache-sh3.o
+cache-$(CONFIG_CPU_SH4) := cache-sh4.o pg-sh4.o
+cache-$(CONFIG_CACHE_OFF) :=
mmu-y := tlb-nommu.o pg-nommu.o
mmu-$(CONFIG_CPU_SH3) += fault-nommu.o
@@ -14,7 +15,7 @@ mmu-$(CONFIG_CPU_SH4) += fault-nommu.o
mmu-$(CONFIG_MMU) := fault.o clear_page.o copy_page.o tlb-flush.o \
ioremap.o
-obj-y += $(mmu-y)
+obj-y += $(cache-y) $(mmu-y)
ifdef CONFIG_DEBUG_FS
obj-$(CONFIG_CPU_SH4) += cache-debugfs.o
@@ -22,7 +23,7 @@ endif
ifdef CONFIG_MMU
obj-$(CONFIG_CPU_SH3) += tlb-sh3.o
-obj-$(CONFIG_CPU_SH4) += tlb-sh4.o pg-sh4.o
+obj-$(CONFIG_CPU_SH4) += tlb-sh4.o
obj-$(CONFIG_SH7705_CACHE_32KB) += pg-sh7705.o
endif