From mboxrd@z Thu Jan 1 00:00:00 1970 From: d-gerlach@ti.com (Dave Gerlach) Date: Mon, 19 Aug 2013 12:47:37 -0500 Subject: [PATCHv3 0/9] ARM: OMAP2+: AM33XX: Add suspend-resume support In-Reply-To: <5211E3F6.6090108@ti.com> References: <1375811376-49985-1-git-send-email-d-gerlach@ti.com> <5211E3F6.6090108@ti.com> Message-ID: <52125A39.3010008@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 >> >