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

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Message-Id: <201310221608.45192.heiko@sntech.de>
Date:	Tue, 22 Oct 2013 16:08:44 +0200
From:	Heiko Stübner <heiko@...ech.de>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Olof Johansson <olof@...om.net>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Grant Likely <grant.likely@...aro.org>,
	Rob Herring <robherring2@...il.com>,
	devicetree-discuss@...ts.ozlabs.org,
	Russell King <linux@....linux.org.uk>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	linux-kernel@...r.kernel.org,
	"Greg Kroah-Hartman" <gregkh@...uxfoundation.org>,
	Ulrich Prinz <ulrich.prinz@...glemail.com>,
	Matt Sealey <neko@...uhatsu.net>,
	Fabio Estevam <festevam@...il.com>,
	Kevin Hilman <khilman@...aro.org>
Subject: Re: [PATCH v5 0/5] ARM: rockchip: add smp functionality


gaah, there I just learned about the arm@...nel.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 Stübner:
> 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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