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CPU interface needs to be disabled to avoid race condition. Simply
disabling legacy pass-through is not enough.
Change-Id: I4202d870036b137bdfd3b1d32a5781e2ef65ead9
Reviewed-on: http://git-master/r/105235
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Aleksandr Frid <afrid@nvidia.com>
Tested-by: Bo Yan <byan@nvidia.com>
Reviewed-by: Mark Stadler <mastadler@nvidia.com>
Reviewed-by: Bo Yan <byan@nvidia.com>
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The argument "pass_through" of function tegra_gic_cpu_disable is
confusing. If it's true, it actually means "to disable" pass-through.
Change it to "disable_pass_through" to reflect what it really is.
Change-Id: I4a08b8965641af913ebb626c81cdac3382a995a0
Signed-off-by: Bo Yan <byan@nvidia.com>
Reviewed-on: http://git-master/r/103729
Reviewed-by: Aleksandr Frid <afrid@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-by: Krishna Reddy <vdumpa@nvidia.com>
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Accessor function is defined to return GIC version in system. Since
the returned value is u32, read out the GIC version number directly
from GIC ICPIDR2 register instead of forcing it to 2 as implied in
CortexA15 implementation or 1 in CortexA9.
Change-Id: Ib7a948656faf9552aef1bb3effa28f827c17d0f1
Signed-off-by: Bo Yan <byan@nvidia.com>
Reviewed-on: http://git-master/r/103728
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Mark Stadler <mastadler@nvidia.com>
Reviewed-by: Aleksandr Frid <afrid@nvidia.com>
Reviewed-by: Krishna Reddy <vdumpa@nvidia.com>
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-by: Jeff Smith <jsmith@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Varun Wadekar <vwadekar@nvidia.com>
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Change-Id: I9819a85a52820deed4359dfd62edb3b88d37e351
Signed-off-by: Scott Williams <scwilliams@nvidia.com>
Reviewed-on: http://git-master/r/79539
Reviewed-by: Automatic_Commit_Validation_User
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Every call to tegra_gic_pass_through_disable() is preceded by a
call to tegra_gic_cpu_disable(). However, the call from hotplug
shutdown is superfluous on Cortex-A9 and wrong on Cortex-A15.
Consolidate the two disable functions into a single function
taking a parameter that indicates whether to enable bypass mode:
the call from the hotplug shutdown path does not enable bypass,
the call from the CPU suspend path does.
BUG 929216
Change-Id: I0b11dc89b27aeb42b3ddffb0cfe1a65eb7a50f93
Signed-off-by: Scott Williams <scwilliams@nvidia.com>
Reviewed-on: http://git-master/r/79092
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Jin Qian <jqian@nvidia.com>
Reviewed-by: Varun Wadekar <vwadekar@nvidia.com>
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To prevent race conditions and ensure proper interrupt routing on
Cortex-A15 CPUs when they are power-gated, add a CPU PM notifier
call-back to reprogram the GIC CPU interface on PM entry. The
GIC CPU interface will be reset back to its normal state by
the common GIC CPU PM exit callback when the CPU wakes up.
BUG 929216
Change-Id: I2280468a001b41ca2a9db8edfcd7bd65f82b1fcd
Signed-off-by: Scott Williams <scwilliams@nvidia.com>
Reviewed-on: http://git-master/r/79091
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Aleksandr Frid <afrid@nvidia.com>
Reviewed-by: Varun Wadekar <vwadekar@nvidia.com>
Reviewed-by: Jin Qian <jqian@nvidia.com>
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Move Tegra GIC initialization to be with the other GIC functions.
Change-Id: I1d0af10724886588b74a7b7633a112d78aa54a53
Signed-off-by: Scott Williams <scwilliams@nvidia.com>
Reviewed-on: http://git-master/r/78844
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Robert Bond <rbond@nvidia.com>
Reviewed-by: Aleksandr Frid <afrid@nvidia.com>
Reviewed-by: Varun Wadekar <vwadekar@nvidia.com>
Reviewed-by: Jeff Smith <jsmith@nvidia.com>
Reviewed-by: Jin Qian <jqian@nvidia.com>
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Move Tegra GIC initialization to be with the other GIC functions.
Change-Id: I9b23757d135f3a9062f21fccb816c745ce8add43
Signed-off-by: Scott Williams <scwilliams@nvidia.com>
Reviewed-on: http://git-master/r/78829
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Krishna Reddy <vdumpa@nvidia.com>
Reviewed-by: Mark Stadler <mastadler@nvidia.com>
Reviewed-by: Aleksandr Frid <afrid@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Reviewed-by: Varun Wadekar <vwadekar@nvidia.com>
Rebase-Id: R5358b96db428c5ef7a21bc9db59838106901870b
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Implement extensions to the standard ARM GIC API for Tegra3 power management.
Change-Id: If8b2ce2b366e48bb5ca82d3de2acab1fd0a81bb9
Signed-off-by: Scott Williams <scwilliams@nvidia.com>
Signed-off-by: Dan Willemsen <dwillemsen@nvidia.com>
Rebase-Id: Rd7527cd57edf054c871f5d04d7e9185643f79843
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