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| author | Olof Johansson <olof@lixom.net> | 2011-10-13 00:14:08 -0700 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2012-02-06 18:24:58 -0800 |
| commit | d262f49d10554ae2908e6d1d0e93fa736c4c0d06 (patch) | |
| tree | 61bf4eb39e0abc637cd9da3f8fd5bd07239647fa /arch/arm/mach-tegra/fuse.c | |
| parent | e2f91578b35347341482f6af9e4fcf3174531efd (diff) | |
| download | lwn-d262f49d10554ae2908e6d1d0e93fa736c4c0d06.tar.gz lwn-d262f49d10554ae2908e6d1d0e93fa736c4c0d06.zip | |
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>
Diffstat (limited to 'arch/arm/mach-tegra/fuse.c')
| -rw-r--r-- | arch/arm/mach-tegra/fuse.c | 20 |
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; } |