diff options
| author | Jon Mayo <jmayo@nvidia.com> | 2010-11-10 00:43:19 -0800 |
|---|---|---|
| committer | Varun Colbert <vcolbert@nvidia.com> | 2010-11-15 20:21:45 -0800 |
| commit | f91ff9b31a37b11df8636fa886b01dbdc47587f1 (patch) | |
| tree | 6b9a676298e5e9827a17999f835ba3908ed2ac2d /arch/arm/mach-tegra/common.c | |
| parent | b79646f0a0cbfe48558980215794c178d814585e (diff) | |
[arm/tegra] cache kfuses on boottegra-10.9.5
Cache the fuse contents early in boot before DMA is active to ensure
exclusive access on that bus. This cache is exposed at
/sys/firmware/fuse/kfuse_raw and it can be read() or mmap()'d.
Bug 741232
Change-Id: I83bc991c89beb837ec22b2e03ceac11ab696cb6f
Reviewed-on: http://git-master/r/10482
Reviewed-by: Jonathan Mayo <jmayo@nvidia.com>
Tested-by: Jonathan Mayo <jmayo@nvidia.com>
Reviewed-by: Aleksandr Frid <afrid@nvidia.com>
Reviewed-by: Yu-Huan Hsu <yhsu@nvidia.com>
Reviewed-by: Varun Colbert <vcolbert@nvidia.com>
Tested-by: Varun Colbert <vcolbert@nvidia.com>
Diffstat (limited to 'arch/arm/mach-tegra/common.c')
| -rw-r--r-- | arch/arm/mach-tegra/common.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/common.c b/arch/arm/mach-tegra/common.c index 85b61f337e3e..0d26f87b8e8b 100644 --- a/arch/arm/mach-tegra/common.c +++ b/arch/arm/mach-tegra/common.c @@ -28,6 +28,7 @@ #include <mach/iomap.h> #include <mach/dma.h> +#include <mach/fuse.h> #include "board.h" @@ -120,6 +121,7 @@ void __init tegra_common_init(void) "iram", NVMEM_HEAP_CARVEOUT_IRAM); tegra_init_clock(); tegra_init_cache(); + tegra_init_fuse_cache(); tegra_dma_init(); tegra_mc_init(); arm_pm_restart = tegra_machine_restart; |