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| author | Todd Poynor <tpoynor@mvista.com> | 2005-10-28 16:25:01 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2005-10-28 16:25:01 +0100 |
| commit | 80a18573cea2e6d8e95abe4d42bfc5f97761999a (patch) | |
| tree | 169773f6b106c22e9df10d14a14f538299915b51 /include | |
| parent | 917f68f8163eb877a6d71c5b446ee236645c2944 (diff) | |
| download | linux-80a18573cea2e6d8e95abe4d42bfc5f97761999a.tar.gz linux-80a18573cea2e6d8e95abe4d42bfc5f97761999a.tar.bz2 linux-80a18573cea2e6d8e95abe4d42bfc5f97761999a.zip | |
[ARM] 2787/2: PXA27x low power modes support
Patch from Todd Poynor
Add symbols for PXA2xx PWRMODE register M field that selects low-power
mode, replace unadorned constants. Honor power mode parameter of
pxa_cpu_suspend(mode), no longer force to 3 (sleep). Full Deep Sleep
low-power mode support for PXA27x is pending generic PM interfaces to
select more than 2 suspend-to-RAM-style power modes, but this is
expected soon. This can be hardcoded in the meantime by replacing the
pxa_cpu_suspend() parameter value. From David Burrage and Todd Poynor.
Try #2 removes one of the register copies and moves the code to save the
pxa_cpu_suspend parameter to immediately surround the call that requires
the parameter value be preserved.
Signed-off-by: Todd Poynor <tpoynor@mvista.com>
Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-arm/arch-pxa/pxa-regs.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/asm-arm/arch-pxa/pxa-regs.h b/include/asm-arm/arch-pxa/pxa-regs.h index 3af7165ab0d7..a6a34edec813 100644 --- a/include/asm-arm/arch-pxa/pxa-regs.h +++ b/include/asm-arm/arch-pxa/pxa-regs.h @@ -2282,4 +2282,11 @@ #endif +/* PWRMODE register M field values */ + +#define PWRMODE_IDLE 0x1 +#define PWRMODE_STANDBY 0x2 +#define PWRMODE_SLEEP 0x3 +#define PWRMODE_DEEPSLEEP 0x7 + #endif |