From mboxrd@z Thu Jan 1 00:00:00 1970 From: heiko@sntech.de (Heiko =?utf-8?q?St=C3=BCbner?=) Date: Tue, 22 Oct 2013 16:08:44 +0200 Subject: [PATCH v5 0/5] ARM: rockchip: add smp functionality In-Reply-To: <201310221600.13562.heiko@sntech.de> References: <201310221600.13562.heiko@sntech.de> Message-ID: <201310221608.45192.heiko@sntech.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org gaah, there I just learned about the arm at kernel.org address and still didn't remember when digging up this old recipient list - which of course resulted in Kevin not being included. Additionally I also had the old devicetree list included. So I'll do it again shortly :-) Sorry for the noise Heiko Am Dienstag, 22. Oktober 2013, 16:00:13 schrieb Heiko St?bner: > This series enables the use of the additional cores on Rockchip > Cortex-A9 SoCs. > > To achieve this, add the scu, the needed sram and power-management-unit. > > Tested on both a BQ Curie2 (rk3066a / dual core) and > on a Radxa Rock (rk3188 / quad core). > > changes since v4: > - rebase on top of the recent rk3188 board support > - implement suggestion from Matt Sealey in moving the sram-limit from > marking reserved regions to marking available regions - hopefully > I got the usage right :-) > - remove __CPUINIT as suggested by Fabio Estevam > > changes since v3: > - address comments from Rob Herring: > - split the gathering of the reserve-data into a separate loop > - spelling and style fixes > - first patch only included for reference, already part of the > char-misc git tree > > changes since v2: > - rework the sram allocation following the suggestion from Philipp Zabel > > changes since v1: > - add reserved block feature for mmio-sram, to not use two logical > sram nodes > - the sram content is kept intact while the device is running, so > copying the trampoline is only needed once > > Heiko Stuebner (5): > misc: sram: add ability to limit used sram areas > ARM: rockchip: add snoop-control-unit > ARM: rockchip: add sram dt nodes and documentation > ARM: rockchip: add power-management-unit dt node > ARM: rockchip: add smp bringup code > > .../devicetree/bindings/arm/rockchip/pmu.txt | 16 ++ > .../devicetree/bindings/arm/rockchip/smp-sram.txt | 24 +++ > Documentation/devicetree/bindings/misc/sram.txt | 8 + > arch/arm/boot/dts/rk3066a.dtsi | 6 + > arch/arm/boot/dts/rk3188.dtsi | 6 + > arch/arm/boot/dts/rk3xxx.dtsi | 10 + > arch/arm/mach-rockchip/Kconfig | 1 + > arch/arm/mach-rockchip/Makefile | 1 + > arch/arm/mach-rockchip/core.h | 22 +++ > arch/arm/mach-rockchip/headsmp.S | 30 ++++ > arch/arm/mach-rockchip/platsmp.c | 195 > ++++++++++++++++++++ arch/arm/mach-rockchip/rockchip.c | > 2 + > drivers/misc/sram.c | 51 ++++- > 13 files changed, 368 insertions(+), 6 deletions(-) > create mode 100644 Documentation/devicetree/bindings/arm/rockchip/pmu.txt > create mode 100644 > Documentation/devicetree/bindings/arm/rockchip/smp-sram.txt create mode > 100644 arch/arm/mach-rockchip/core.h > create mode 100644 arch/arm/mach-rockchip/headsmp.S > create mode 100644 arch/arm/mach-rockchip/platsmp.c