[PATCHv3 0/9] ARM: OMAP2+: AM33XX: Add suspend-resume support
Dave Gerlach
d-gerlach at ti.com
Mon Aug 19 13:47:37 EDT 2013
On 08/19/2013 04:23 AM, Gururaja Hebbar wrote:
> On 8/6/2013 11:19 PM, Dave Gerlach wrote:
>> Hi,
>>
>> This is the third version of the patch series for adding basic suspend-resume
>> support for AM33XX, previously submitted by Vaibhav Bedia. This patchset
>> is based on 3.11-rc4 and depends on a forthcoming patchset from Suman Anna
>> that adds mailbox support for the wkup_m3. The patches at [1], [2], and [3] are
>> required for the pm code to properly suspend and resume.
>>
>> The PM code uses the firmware interface and expects the userspace to load
>> the WKUP_M3 binary before the suspend-resume functionality is made available.
>> The binary file (and the source-code for WKUP_M3) can be obtained from the
>> 'next2' branch at [4]. The WKUP_M3 binary can either be loaded post bootup
>> via the sysfs entry './sys/devices/ocp.2/wkup_m3.4/firmware' or it can be
>> included in the kernel image as part of the build process.
>>
>> Suspend to mem is tested on am335x-bone and am335x-evm.
>>
>> More details on AM335x suspend-resume are provided within the commit logs
>> for each patch.
>
> can you share the working repo which has all these patches applied?
>
> Thanks & Regards
> Gururaja
>
The working repo for this version of the patch series can be found here:
git://github.com/dgerlach/linux-pm.git am335x-3.11rc4-suspend-resume
Regards,
Dave
>>
>> Changes in v3:
>> - Moved wkup_m3 code into separate driver
>> - Split up ti_emif header move
>> - Addressed clean-up comments
>> - Removed mailbox patches
>> - v2-v3 Discussion:
>> http://marc.info/?l=linux-arm-kernel&m=135698501821090&w=4
>>
>> Changes in v2:
>> - Broke patches up to isolate assembly code and build hookup.
>> - Moved control module code to separate module
>> - v1->v2 Discussion:
>> http://lists.infradead.org/pipermail/linux-arm-kernel/2012-November/129508.html
>>
>> Regards,
>> Dave
>>
>> [1] http://marc.info/?l=linux-arm-kernel&m=137303736714638&w=4
>> [2] http://marc.info/?l=linux-omap&m=137303723114610&w=4
>> [3] http://marc.info/?l=linux-omap&m=137401384611934&w=4
>> [4] http://arago-project.org/git/projects/?p=am33x-cm3.git;a=shortlog;h=refs/heads/next2
>>
>>
>> Dave Gerlach (1):
>> memory: emif: Move EMIF register defines to include/linux/
>>
>> Vaibhav Bedia (8):
>> ARM: OMAP2+: AM33XX: control: Add some control module registers and
>> APIs
>> ARM: OMAP: DTB: Update IRQ data for WKUP_M3
>> ARM: OMAP2+: AM33XX: Reserve memory to comply with EMIF spec
>> ARM: OMAP2+: AM33XX: Add assembly code for PM operations
>> ARM: OMAP2+: timer: Add suspend-resume callbacks for clkevent device
>> ARM: OMAP: omap_device: Add APIs to enable and idle hwmods
>> ARM: OMAP2+: AM33XX: Basic suspend resume support
>> ARM: OMAP2+: AM33XX: Hookup AM33XX PM code into OMAP builds
>>
>> arch/arm/boot/dts/am33xx.dtsi | 1 +
>> arch/arm/mach-omap2/Kconfig | 7 +-
>> arch/arm/mach-omap2/Makefile | 2 +
>> arch/arm/mach-omap2/board-generic.c | 3 +-
>> arch/arm/mach-omap2/common.c | 28 ++
>> arch/arm/mach-omap2/common.h | 14 +
>> arch/arm/mach-omap2/control.c | 57 ++++
>> arch/arm/mach-omap2/control.h | 54 ++++
>> arch/arm/mach-omap2/io.c | 6 +
>> arch/arm/mach-omap2/omap_device.c | 8 +
>> arch/arm/mach-omap2/omap_device.h | 2 +
>> arch/arm/mach-omap2/pm.c | 3 +-
>> arch/arm/mach-omap2/pm.h | 5 +
>> arch/arm/mach-omap2/pm33xx.c | 474 +++++++++++++++++++++++++++++
>> arch/arm/mach-omap2/pm33xx.h | 77 +++++
>> arch/arm/mach-omap2/sleep33xx.S | 350 ++++++++++++++++++++++
>> arch/arm/mach-omap2/sram.c | 10 +-
>> arch/arm/mach-omap2/sram.h | 2 +
>> arch/arm/mach-omap2/timer.c | 32 ++
>> arch/arm/mach-omap2/wkup_m3.c | 183 ++++++++++++
>> drivers/memory/emif.h | 543 +---------------------------------
>> include/linux/ti_emif.h | 558 +++++++++++++++++++++++++++++++++++
>> 22 files changed, 1872 insertions(+), 547 deletions(-)
>> create mode 100644 arch/arm/mach-omap2/pm33xx.c
>> create mode 100644 arch/arm/mach-omap2/pm33xx.h
>> create mode 100644 arch/arm/mach-omap2/sleep33xx.S
>> create mode 100644 arch/arm/mach-omap2/wkup_m3.c
>> create mode 100644 include/linux/ti_emif.h
>>
>
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