[PATCH v3 1/2] ARM: EXYNOS: Map SYSRAM through generic SRAM bindings
tomasz.figa at gmail.com
Thu May 8 21:49:04 PDT 2014
On 09.05.2014 04:14, Kukjin Kim wrote:
> Tomasz Figa wrote:
>> Hi Sachin,
>> On 08.05.2014 06:16, Sachin Kamat wrote:
>>> Instead of hardcoding the SYSRAM details for each SoC,
>>> pass this information through device tree (DT) and make
>>> the code SoC agnostic. Generic SRAM bindings are used
>>> for achieving this.
>>> Signed-off-by: Sachin Kamat <sachin.kamat at linaro.org>
>>> Acked-by: Arnd Bergmann <arnd at arndb.de>
>>> Acked-by: Heiko Stuebner <heiko at sntech.de>
>>> Changes since v2.
>>> * Updated sysram node for Universal C210 board - Thanks to
>>> Tomasz Figa for testing and updating the same.
>>> * Added error handling code.
>>> * Break if matching node found.
>>> * Remove unnecessary error messages.
>>> This patch is based on linux next (next-20140501) on top of
>>> my Kconfig consolidation patch
>>> Tested on 4210/4412 Origen, 5250/5420 Arndale and SMDK5420 boards.
>>> arch/arm/Kconfig | 1 +
>>> arch/arm/boot/dts/exynos4210-universal_c210.dts | 15 ++++++
>>> arch/arm/boot/dts/exynos4210.dtsi | 18 +++++++
>>> arch/arm/boot/dts/exynos4x12.dtsi | 18 +++++++
>>> arch/arm/boot/dts/exynos5250.dtsi | 18 +++++++
>>> arch/arm/boot/dts/exynos5420.dtsi | 18 +++++++
>>> arch/arm/mach-exynos/common.h | 1 +
>>> arch/arm/mach-exynos/exynos.c | 64
>>> arch/arm/mach-exynos/firmware.c | 8 ++-
>>> arch/arm/mach-exynos/include/mach/map.h | 7 ---
>>> arch/arm/mach-exynos/platsmp.c | 56
>>> 11 files changed, 148 insertions(+), 76 deletions(-)
>> Looks good, thanks.
>> Reviewed-by: Tomasz Figa <t.figa at samsung.com>
> Looks good to me but I think, we need to change the name of 'sram' because
> it can cause some confusing, actually it is not matching _real_ sram area on
> the SoCs. When we upstreamed regarding patch, I decided the name to use
> 'SYSRAM', it was called another name in datasheet though. So, I'd like to
> use 'sysram' instead of 'sram' as we used before.
> I will change the name when I apply this series in this weekend, if you guys
> have no objection.
You mean s/sram/sysram/ in compatible strings of Exynos-specific
reserved areas? If yes, I'm fine, it might be even better. Just remember
to update documentation in patch 2/2 as well.
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