From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alex Elder Subject: [PATCH v3 RESEND 0/5] ARM: SMP: support Broadcom mobile SoCs Date: Thu, 15 May 2014 12:58:06 -0500 Message-ID: <1400176691-26058-1-git-send-email-elder@linaro.org> Return-path: Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: mporter-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, bcm-xK7y4jjYLqYh9ZMKESR00Q@public.gmane.org, linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, arnd-r2nGTMty4D4@public.gmane.org, sboyd-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org Cc: bcm-kernel-feedback-list-dY08KVG/lbpWk0Htik3J/w@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: devicetree@vger.kernel.org This series adds SMP support for two Broadcom mobile SoC families. It uses CPU_METHOD_OF_DECLARE() so that SMP operations are assigned using device tree rather than adding it to a machine definition in a board file. The enable method starts a secondary core by writing to a register monitored by CPUs spinning in a ROM-based holding pen loop. The address of this register is recorded as a property in the "cpus" node of the device tree. -Alex Note: This series is based on v3.15-rc4, plus one more recently-posted patch: http://permalink.gmane.org/gmane.linux.kernel/1683693 History v3: - Dropped definition and use of CPU_METHOD_OF_DECLARE_SETUP() - Added documentation for "enable-method" - Rebased onto v3.15-rc4 v2: - Fixed a Makefile error (:= should have been +=) - No longer set CONFIG_NR_CPUS in bcm_defconfig - Rebased onto v3.15-rc1 This series is available here: http://git.linaro.org/landing-teams/working/broadcom/kernel.git Branch review/bcm-smp-v3 Alex Elder (5): devicetree: bindings: document Broadcom CPU enable method ARM: add SMP support for Broadcom mobile SoCs ARM: configs: enable SMP in bcm_defconfig ARM: dts: enable SMP support for bcm28155 ARM: dts: enable SMP support for bcm21664 Documentation/devicetree/bindings/arm/cpus.txt | 12 ++ arch/arm/boot/dts/bcm11351.dtsi | 19 +++ arch/arm/boot/dts/bcm21664.dtsi | 19 +++ arch/arm/configs/bcm_defconfig | 1 + arch/arm/mach-bcm/Kconfig | 18 ++- arch/arm/mach-bcm/Makefile | 3 + arch/arm/mach-bcm/platsmp.c | 201 +++++++++++++++++++++++++ 7 files changed, 270 insertions(+), 3 deletions(-) create mode 100644 arch/arm/mach-bcm/platsmp.c -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html