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authorJong Kim <jongk@nvidia.com>2012-02-29 17:26:05 -0800
committerSimone Willett <swillett@nvidia.com>2012-03-06 21:16:18 -0800
commitbced65d187c0e46389a389be1d701720c028b159 (patch)
treefab73232f9d201a9e59675ad315de7d1d2837d51 /arch/arm/mach-tegra/Kconfig
parent5143b51f02f1f33a0633b11ac1b16f879fc02032 (diff)
ARM: tegra: clock: Put Cardhu clocks to known state
Add TEGRA_PREINIT_CLOCKS option to put host1x, disp1, and audio clocks into known state, so that L4T Cardhu works on u-boot. BUG 931602 Change-Id: I7c5aaff340a072fe6587822eccc89df72b2b1d79 Signed-off-by: Jong Kim <jongk@nvidia.com> Reviewed-on: http://git-master/r/86725 Reviewed-by: Simone Willett <swillett@nvidia.com> Tested-by: Simone Willett <swillett@nvidia.com>
Diffstat (limited to 'arch/arm/mach-tegra/Kconfig')
-rw-r--r--arch/arm/mach-tegra/Kconfig7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig
index 455ba5466c42..c25381e70319 100644
--- a/arch/arm/mach-tegra/Kconfig
+++ b/arch/arm/mach-tegra/Kconfig
@@ -483,3 +483,10 @@ config TEGRA_SLOW_CSITE
help
When enabled, csite will be running at 1 Mhz and the performance of
jtag, lauterbach and other debugger will be extremely slow.
+
+config TEGRA_PREINIT_CLOCKS
+ bool "Preinitialize Tegra clocks to known states"
+ default n
+ help
+ Preinitialize Tegra clocks to known states before actual full-
+ scale clock initialization starts.