linux-stable/arch/arm/mach-tegra
Joseph Lo 5c1350bdfc ARM: tegra20: cpuidle: add powered-down state for secondary CPU
The powered-down state of Tegra20 requires power gating both CPU cores.
When the secondary CPU requests to enter powered-down state, it saves
its own contexts and then enters WFI. The Tegra20 had a limition to
power down both CPU cores. The secondary CPU must waits for CPU0 in
powered-down state too. If the secondary CPU be woken up before CPU0
entering powered-down state, then it needs to restore its CPU states
and waits for next chance.

Be aware of that, you may see the legacy power state "LP2" in the code
which is exactly the same meaning of "CPU power down".

Based on the work by:
Colin Cross <ccross@android.com>
Gary King <gking@nvidia.com>

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-28 11:20:38 -07:00
..
include/mach ARM: tegra: remove legacy clock code 2013-01-28 11:19:33 -07:00
apbio.c ARM: tegra: Make variables static 2013-01-28 10:21:28 -07:00
apbio.h ARM: tegra: apbio access using dma for tegra20 only 2012-07-06 11:48:56 -06:00
board-dt-tegra20.c ARM: tegra: remove USB address related macros from iomap.h 2013-01-28 11:20:04 -07:00
board-dt-tegra30.c ARM: tegra30: remove auxdata 2013-01-28 11:19:34 -07:00
board-harmony-pcie.c ARM: dt: tegra: harmony: add regulators 2012-09-14 11:31:37 -06:00
board-paz00.c Merge branch 'multiplatform/platform-data' into next/multiplatform 2012-09-22 01:07:21 -07:00
board-paz00.h ARM: tegra: remove board (but not DT) support for Paz00 2012-09-14 11:31:36 -06:00
board.h ARM: tegra: move timer.c to drivers/clocksource/ 2013-01-28 10:21:21 -07:00
common.c ARM: tegra: migrate to new clock code 2013-01-28 11:19:07 -07:00
common.h ARM: tegra: moving the clock gating procedure to tegra_cpu_kill 2013-01-28 10:21:48 -07:00
cpu-tegra.c ARM: tegra: migrate to new clock code 2013-01-28 11:19:07 -07:00
cpuidle-tegra20.c ARM: tegra20: cpuidle: add powered-down state for secondary CPU 2013-01-28 11:20:38 -07:00
cpuidle-tegra30.c ARM: tegra: move tegra_cpu_car.h to linux/clk/tegra.h 2013-01-28 11:19:06 -07:00
cpuidle.c ARM: tegra: cpuidle: separate cpuidle driver for different chips 2012-11-15 15:09:20 -07:00
cpuidle.h ARM: tegra: cpuidle: separate cpuidle driver for different chips 2012-11-15 15:09:20 -07:00
flowctrl.c ARM: tegra: Make variables static 2013-01-28 10:21:28 -07:00
flowctrl.h ARM: tegra30: flowctrl: add cpu_suspend_exter/exit function 2012-11-15 15:09:21 -07:00
fuse.c ARM: tegra: add function to read chipid 2013-01-28 11:19:06 -07:00
fuse.h ARM: tegra: Tegra30 speedo-based process identification 2012-11-15 14:36:59 -07:00
gpio-names.h [ARM] tegra: add GPIO support 2010-08-05 14:57:02 -07:00
headsmp.S ARM: tegra: make device can run on UP 2013-01-28 11:14:06 -07:00
hotplug.c ARM: tegra: move tegra_cpu_car.h to linux/clk/tegra.h 2013-01-28 11:19:06 -07:00
io.c ARM: tegra: don't include iomap.h from debug-macro.S 2012-11-16 12:22:17 -07:00
iomap.h ARM: tegra: remove USB address related macros from iomap.h 2013-01-28 11:20:04 -07:00
irammap.h ARM: tegra: decouple uncompress.h and debug-macro.S 2012-11-16 12:22:17 -07:00
irq.c ARM: tegra: add pending SGI checking API 2013-01-28 11:20:38 -07:00
irq.h ARM: tegra: add pending SGI checking API 2013-01-28 11:20:38 -07:00
Kconfig ARM: tegra: fix Kconfig warnings when !SMP 2013-01-28 10:21:33 -07:00
Makefile ARM: tegra: remove legacy clock code 2013-01-28 11:19:33 -07:00
Makefile.boot ARM: tegra: Add Avionic Design Tamonten Evaluation Carrier support 2012-09-20 09:34:01 -06:00
pcie.c ARM: tegra: migrate to new clock code 2013-01-28 11:19:07 -07:00
platsmp.c ARM: tegra: move tegra_cpu_car.h to linux/clk/tegra.h 2013-01-28 11:19:06 -07:00
pm.c ARM: tegra20: cpuidle: add powered-down state for secondary CPU 2013-01-28 11:20:38 -07:00
pm.h ARM: tegra: retain L2 content over CPU suspend/resume 2012-11-15 15:09:22 -07:00
pmc.c ARM: tegra: move iomap.h to mach-tegra 2012-11-05 11:36:06 -07:00
pmc.h ARM: tegra: Add a simple PMC driver 2012-02-06 18:25:01 -08:00
powergate.c ARM: tegra: migrate to new clock code 2013-01-28 11:19:07 -07:00
reset-handler.S ARM: tegra: make device can run on UP 2013-01-28 11:14:06 -07:00
reset.c ARM: tegra: make device can run on UP 2013-01-28 11:14:06 -07:00
reset.h ARM: tegra30: cpuidle: add powered-down state for secondary CPUs 2012-11-15 15:09:21 -07:00
sleep-tegra20.S ARM: tegra20: cpuidle: add powered-down state for secondary CPU 2013-01-28 11:20:38 -07:00
sleep-tegra30.S ARM: tegra: update the cache maintenance order for CPU shutdown 2013-01-28 10:21:44 -07:00
sleep.h ARM: tegra20: cpuidle: add powered-down state for secondary CPU 2013-01-28 11:20:38 -07:00
sleep.S ARM: tegra: update the cache maintenance order for CPU shutdown 2013-01-28 10:21:44 -07:00
tegra2_emc.c ARM: drivers: remove __dev* attributes. 2013-01-03 15:57:04 -08:00
tegra2_emc.h ARM: tegra: emc: convert tegra2_emc to a platform driver 2012-02-06 18:24:59 -08:00
tegra20_speedo.c ARM: tegra: Add speedo-based process identification 2012-11-15 14:34:20 -07:00
tegra30_speedo.c ARM: tegra: Tegra30 speedo-based process identification 2012-11-15 14:36:59 -07:00