Re: [PATCH v5 0/5] ARM: rockchip: add smp functionality

From: Heiko StÃbner
Date: Tue Oct 22 2013 - 10:09:00 EST



gaah, there I just learned about the arm@xxxxxxxxxx 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 StÃbner:
> 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

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