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Conflicts:
arch/arm/mach-tegra/fuse.c
drivers/misc/Makefile
Change-Id: I300b925d78b31efe00c342190d8dbd50e2e81230
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Change-Id: I11783f5784454fec143393336195db40c9aa3160
Signed-off-by: Colin Cross <ccross@android.com>
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Change-Id: I165411a14342666cbac02fb8cb171580ab0826aa
Reviewed-on: http://git-master/r/14464
Reviewed-by: Jonathan Mayo <jmayo@nvidia.com>
Tested-by: Jonathan Mayo <jmayo@nvidia.com>
Reviewed-by: Yu-Huan Hsu <yhsu@nvidia.com>
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Change-Id: If6cd2914551331bd49b128ad3143a0d7adf0f120
Reviewed-on: http://git-master/r/13396
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Tested-by: Bharat Nihalani <bnihalani@nvidia.com>
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spare fuse bits 18 and 19 are used to distinguish A03p Tegra 2
chips from A03 chips. this is needed on some platforms to
determine whether or not LP0 suspend should be enabled.
Change-Id: I03a964eac3783535357faecee8cd35e65350b356
Reviewed-on: http://git-master/r/12078
Tested-by: Sachin Nikam <snikam@nvidia.com>
Reviewed-by: Narendra Damahe <ndamahe@nvidia.com>
Tested-by: Narendra Damahe <ndamahe@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
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There is a dependency loop between fuses, clocks, and APBDMA.
If dma is enabled, fuse reads must go through APBDMA to avoid
corruption due to a hw bug. APBDMA requires a clock to be
enabled. Clocks must read a fuse to determine allowable cpu
frequencies.
Separate out the fuse DMA initialization, and allow the fuse
read and write functions to be called without using DMA before
the DMA initialization has been completed. Access to the fuses
before APBDMA is initialized won't hit the hardware bug because
nothing else can be using DMA.
Change-Id: Ib5cb0f346488f2869e8314c5f3b24fd86873f4c3
Signed-off-by: Colin Cross <ccross@android.com>
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expose fuse register read and write apis for fuse
burning
Change-Id: Id6785f5506fe9293ddb5072240f49470ca5fcd08
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
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The Tegra SOC contains fuses to identify the CPU type and
bin, and a unique id. The CPU info is required to determine
the correct voltages for each cpu and core frequency.
Signed-off-by: Colin Cross <ccross@android.com>
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