ARM: tegra: fuse: use apbio dma for register access

Use the apbio dma functions for accessing the fuse registers.

Signed-off-by: Olof Johansson <olof@lixom.net>

1 files changed, 8 insertions, 12 deletions

diff --git a/arch/arm/mach-tegra/fuse.c b/arch/arm/mach-tegra/fuse.c
index 1fa26d9a1a68..daf3f572acc8 100644
--- a/arch/arm/mach-tegra/fuse.c
+++ b/arch/arm/mach-tegra/fuse.c
@@ -23,20 +23,16 @@
 #include <mach/iomap.h>
 
 #include "fuse.h"
+#include "apbio.h"
 
 #define FUSE_UID_LOW            0x108
 #define FUSE_UID_HIGH           0x10c
 #define FUSE_SKU_INFO           0x110
 #define FUSE_SPARE_BIT          0x200
 
-static inline u32 fuse_readl(unsigned long offset)
+static inline u32 tegra_fuse_readl(unsigned long offset)
 {
-        return readl(IO_TO_VIRT(TEGRA_FUSE_BASE + offset));
-}
-
-static inline void fuse_writel(u32 value, unsigned long offset)
-{
-        writel(value, IO_TO_VIRT(TEGRA_FUSE_BASE + offset));
+        return tegra_apb_readl(TEGRA_FUSE_BASE + offset);
 }
 
 void tegra_init_fuse(void)
@@ -54,15 +50,15 @@ unsigned long long tegra_chip_uid(void)
 {
         unsigned long long lo, hi;
 
-        lo = fuse_readl(FUSE_UID_LOW);
-        hi = fuse_readl(FUSE_UID_HIGH);
+        lo = tegra_fuse_readl(FUSE_UID_LOW);
+        hi = tegra_fuse_readl(FUSE_UID_HIGH);
         return (hi << 32ull) | lo;
 }
 
 int tegra_sku_id(void)
 {
         int sku_id;
-        u32 reg = fuse_readl(FUSE_SKU_INFO);
+        u32 reg = tegra_fuse_readl(FUSE_SKU_INFO);
         sku_id = reg & 0xFF;
         return sku_id;
 }
@@ -70,7 +66,7 @@ int tegra_sku_id(void)
 int tegra_cpu_process_id(void)
 {
         int cpu_process_id;
-        u32 reg = fuse_readl(FUSE_SPARE_BIT);
+        u32 reg = tegra_fuse_readl(FUSE_SPARE_BIT);
         cpu_process_id = (reg >> 6) & 3;
         return cpu_process_id;
 }
@@ -78,7 +74,7 @@ int tegra_cpu_process_id(void)
 int tegra_core_process_id(void)
 {
         int core_process_id;
-        u32 reg = fuse_readl(FUSE_SPARE_BIT);
+        u32 reg = tegra_fuse_readl(FUSE_SPARE_BIT);
         core_process_id = (reg >> 12) & 3;
         return core_process_id;
 }