[PATCHv6] ARM: dts: add exynos5422-cpus.dtsi to correct cpu order
Krzysztof Kozlowski
k.kozlowski at samsung.com
Mon Jul 13 17:48:35 PDT 2015
On 14.07.2015 09:24, Chanho Park wrote:
> The odroid-xu3 board which is based on exynos5422 not exynos5800 is
> booted from cortex-a7 core unlike exynos5800. The odroid-xu3's cpu order
> is quite strange. cpu0 and cpu5-7 are cortex-a7 cores and cpu1-4 are
> cortex-a15 cores. To correct this mis-odering, I added exynos5422-cpus.dtsi
> and reversing cpu orders from exynos5420. Now, cpu0-3 are cortex-a7 and
> cpu4-7 are cortex-a15.
>
> Reviewed-by: Krzysztof Kozlowski <k.kozlowski at samsung.com>
> Signed-off-by: Chanho Park <parkch98 at gmail.com>
> ---
> Change from v4:
> - Resend patch with correct signed-off
>
> Changes from v4:
> - Remove temporal patch in e-mail body
>
> Changes from v3:
> - include this exynos5422-cpus.dtsi in the exynos5422-odroidxu3-common.dtsi
>
> Changes from v2:
> - drop inclusion of exynos5420.dtsi from exynos5422-cpus.dtsi
> - drop compatibles from exynos5422-cpus.dtsi
>
> Changes from v1:
> - rename exynos5422.dtsi to exynos5422-cpus.dtsi
> - include the dtsi file top of the exynos5422-odroidxu3.dts
>
> Secondary cpu booting problem[1] is not resolved yet. Need more investigations
> to work booting 8 cores correctly.
>
> [1]: http://www.spinics.net/lists/linux-samsung-soc/msg45525.html
>
> arch/arm/boot/dts/exynos5422-cpus.dtsi | 81 ++++++++++++++++++++++
> arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi | 1 +
> 2 files changed, 82 insertions(+)
> create mode 100644 arch/arm/boot/dts/exynos5422-cpus.dtsi
Thanks, applied to my tree. I'll send it to Kukjin for v4.3 unless he
picks it also.
Best regards,
Krzysztof
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