Subject: [PATCHv3 0/9] ARM: OMAP2+: AM33XX: Add suspend-resume support

From: [email-masked] (Dave Gerlach)
Date: Mon, 19 Aug 2013 12:47:37 -0500

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
>>
>