Both ARM and ARM64 define DMA mapping/unmapping functions that are
exactly the same. Introduce mmu-common.c and move the code there so it
can be shared.
Reviewed-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
Signed-off-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx>
---
arch/arm/cpu/Makefile | 2 +-
arch/arm/cpu/mmu-common.c | 25 +++++++++++++++++++++++++
arch/arm/cpu/mmu.c | 16 ----------------
arch/arm/cpu/mmu_64.c | 16 ----------------
4 files changed, 26 insertions(+), 33 deletions(-)
create mode 100644 arch/arm/cpu/mmu-common.c
diff --git a/arch/arm/cpu/Makefile b/arch/arm/cpu/Makefile
index a35db435c..8e1af8bf8 100644
--- a/arch/arm/cpu/Makefile
+++ b/arch/arm/cpu/Makefile
@@ -1,7 +1,7 @@
obj-y += cpu.o
obj-$(CONFIG_ARM_EXCEPTIONS) += exceptions$(S64).o interrupts$(S64).o
-obj-$(CONFIG_MMU) += mmu$(S64).o
+obj-$(CONFIG_MMU) += mmu$(S64).o mmu-common.o
lwl-y += lowlevel$(S64).o
obj-pbl-$(CONFIG_MMU) += mmu-early$(S64).o
obj-pbl-$(CONFIG_CPU_32v7) += hyp.o
diff --git a/arch/arm/cpu/mmu-common.c b/arch/arm/cpu/mmu-common.c
new file mode 100644
index 000000000..5d5812974
--- /dev/null
+++ b/arch/arm/cpu/mmu-common.c
@@ -0,0 +1,25 @@
+
+#define pr_fmt(fmt) "mmu: " fmt
+
+#include <common.h>
+#include <dma-dir.h>
+#include <dma.h>
+#include <mmu.h>
+
+#include "mmu.h"
+
+dma_addr_t dma_map_single(struct device_d *dev, void *ptr, size_t size,
+ enum dma_data_direction dir)
+{
+ unsigned long addr = (unsigned long)ptr;
+
+ dma_sync_single_for_device(addr, size, dir);
+
+ return addr;
+}
+
+void dma_unmap_single(struct device_d *dev, dma_addr_t addr, size_t size,
+ enum dma_data_direction dir)
+{
+ dma_sync_single_for_cpu(addr, size, dir);
+}
diff --git a/arch/arm/cpu/mmu.c b/arch/arm/cpu/mmu.c
index 390ccc581..f134e8bb3 100644
--- a/arch/arm/cpu/mmu.c
+++ b/arch/arm/cpu/mmu.c
@@ -555,19 +555,3 @@ void dma_sync_single_for_device(dma_addr_t address, size_t size,
outer_cache.clean_range(address, address + size);
}
}
-
-dma_addr_t dma_map_single(struct device_d *dev, void *ptr, size_t size,
- enum dma_data_direction dir)
-{
- unsigned long addr = (unsigned long)ptr;
-
- dma_sync_single_for_device(addr, size, dir);
-
- return addr;
-}
-
-void dma_unmap_single(struct device_d *dev, dma_addr_t addr, size_t size,
- enum dma_data_direction dir)
-{
- dma_sync_single_for_cpu(addr, size, dir);
-}
diff --git a/arch/arm/cpu/mmu_64.c b/arch/arm/cpu/mmu_64.c
index b6f30d1b3..e2dd5b4d8 100644
--- a/arch/arm/cpu/mmu_64.c
+++ b/arch/arm/cpu/mmu_64.c
@@ -291,19 +291,3 @@ void dma_sync_single_for_device(dma_addr_t address, size_t size,
else
v8_flush_dcache_range(address, address + size - 1);
}
-
-dma_addr_t dma_map_single(struct device_d *dev, void *ptr, size_t size,
- enum dma_data_direction dir)
-{
- unsigned long addr = (unsigned long)ptr;
-
- dma_sync_single_for_device(addr, size, dir);
-
- return addr;
-}
-
-void dma_unmap_single(struct device_d *dev, dma_addr_t addr, size_t size,
- enum dma_data_direction dir)
-{
- dma_sync_single_for_cpu(addr, size, dir);
-}
--
2.20.1
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