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-rw-r--r--arch/powerpc/Kconfig33
1 files changed, 28 insertions, 5 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index a0d1146a0578..9fb344d5a86a 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -42,6 +42,10 @@ config GENERIC_HARDIRQS
bool
default y
+config GENERIC_HARDIRQS_NO__DO_IRQ
+ bool
+ default y
+
config HAVE_SETUP_PER_CPU_AREA
def_bool PPC64
@@ -89,10 +93,6 @@ config GENERIC_HWEIGHT
bool
default y
-config GENERIC_CALIBRATE_DELAY
- bool
- default y
-
config GENERIC_FIND_NEXT_BIT
bool
default y
@@ -125,6 +125,7 @@ config PPC
select USE_GENERIC_SMP_HELPERS if SMP
select HAVE_OPROFILE
select HAVE_SYSCALL_WRAPPERS if PPC64
+ select GENERIC_ATOMIC64 if PPC32
config EARLY_PRINTK
bool
@@ -296,9 +297,19 @@ config IOMMU_VMERGE
config IOMMU_HELPER
def_bool PPC64
+config SWIOTLB
+ bool "SWIOTLB support"
+ default n
+ select IOMMU_HELPER
+ ---help---
+ Support for IO bounce buffering for systems without an IOMMU.
+ This allows us to DMA to the full physical address space on
+ platforms where the size of a physical address is larger
+ than the bus address. Not all platforms support this.
+
config PPC_NEED_DMA_SYNC_OPS
def_bool y
- depends on NOT_COHERENT_CACHE
+ depends on (NOT_COHERENT_CACHE || SWIOTLB)
config HOTPLUG_CPU
bool "Support for enabling/disabling CPUs"
@@ -868,6 +879,18 @@ config TASK_SIZE
default "0x80000000" if PPC_PREP || PPC_8xx
default "0xc0000000"
+config CONSISTENT_SIZE_BOOL
+ bool "Set custom consistent memory pool size"
+ depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE
+ help
+ This option allows you to set the size of the
+ consistent memory pool. This pool of virtual memory
+ is used to make consistent memory allocations.
+
+config CONSISTENT_SIZE
+ hex "Size of consistent memory pool" if CONSISTENT_SIZE_BOOL
+ default "0x00200000" if NOT_COHERENT_CACHE
+
config PIN_TLB
bool "Pinned Kernel TLBs (860 ONLY)"
depends on ADVANCED_OPTIONS && 8xx