Dave, > -----Original Message----- > From: Dave Martin [mailto:dave.martin@xxxxxxxxxx] > Sent: Thursday, February 03, 2011 11:33 PM > To: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx > Cc: Dave Martin; Tony Lindgren; Santosh Shilimkar; Jean Pihet; > linux-omap@xxxxxxxxxxxxxxx; Nicolas Pitre > Subject: [PATCH v2 0/5] ARM: omap[34]: Thumb-2 compatibility fixes > > This set of patches, along with some other patches under > discussion on alkml, should enable omap3 and omap4 kernels to be > built with CONFIG_THUMB2_KERNEL. > > This patch set builds on recent cleanup done by the omap > maintainers. > > It is also more aggressive than my last post: all affected > low-level code is now built in Thumb-2. At least some of this > code definitely works, but whether the Secure firmware can talk > to Thumb-2 code properly is unproven: > in particular, I could use some help/advice from the omap > community for validating that the low-level power management > interactions actually work with this patch set. > > I've done simple "does it boot?" testing by building a single > kernel with CONFIG_SMP_ON_UP and CONFIG_THUMB2_KERNEL enabled > which works on Beagle xM A2 and Panda A1. I have boot tested this series on OMAP3430 and OMAP4430. Also tested the RETENTION and OFF mode in suspend on OMAP3. I couldn't test the DVFS because it isn't in mainline yet but the changes doesn't looks to break anything. So if you like, you can add Tested-by: Santosh Shilimkar <santosh.shilimkar@xxxxxx> Acked-by: Santosh Shilimkar <santosh.shilimkar@xxxxxx> > > The patches can be found, along with a buildable working tree, > in the following repo: > > git://git.linaro.org/people/dmart/linux-2.6-arm.git > > * arm/omap-thumb2: has the patches proposed here > * arm/omap-thumb2+merged: additionally has some patches cherry- > picked from other trees which are needed in order for the > patches on arm/omap-thumb2 to work usefully. > * dirty/arm/omap-thumb2+merged: buildable test tree, which adds > 2 local patches to work around a toolchain bug. > > A working kernel config for this tree is here: > http://people.linaro.org/~dmart/arm_omap-thumb2+v2_config : > > CONFIG_SMP_ON_UP=y > CONFIG_THUMB2_KERNEL=y > CONFIG_SERIAL_OMAP=n (to avoid garbage on xM; for Panda use > console=ttyS2) > > (The config is derived from the linaro omap config and so turns on > loads of modules -- don't feel you have to build them all...) > > > Cherry-picked patches originated from Russell's devel tree > and Tony Lindgren's omap-testing tree: > > http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6- > arm.git devel > > git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap- > 2.6.git omap-testing > > > Dave Martin (5): > ARM: omap4: Correct definition of do_wfi() for > CONFIG_THUMB2_KERNEL > ARM: omap4: Convert END() to ENDPROC() for correct linkage with > CONFIG_THUMB2_KERNEL > ARM: omap3: Remove hand-encoded SMC instructions > ARM: omap3: Thumb-2 compatibility for sram34xx.S > ARM: omap3: Thumb-2 compatibility for sleep34xx.S > > arch/arm/mach-omap2/include/mach/omap4-common.h | 5 ++ > arch/arm/mach-omap2/omap-headsmp.S | 2 +- > arch/arm/mach-omap2/omap44xx-smc.S | 8 ++-- > arch/arm/mach-omap2/sleep34xx.S | 56 > ++++++++++++++++------- > arch/arm/mach-omap2/sram34xx.S | 28 ++++++++--- > 5 files changed, 69 insertions(+), 30 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
