On Thursday 15 of November 2012 13:48:55 Thomas Abraham wrote: > Hi Tomasz, > > Thanks for your comments. > > On 12 November 2012 19:37, Tomasz Figa <t.figa@xxxxxxxxxxx> wrote: > > Hi Thomas, > > > > On Saturday 03 of November 2012 20:19:32 Thomas Abraham wrote: > >> Add a minimal board dts file for Samsung Exynos4412 based SMDK board. > >> > >> Signed-off-by: Thomas Abraham <thomas.abraham@xxxxxxxxxx> > >> --- > >> This patch depends the on the following patch posted by Tomasz Figa. > >> "ARM: dts: exynos4: Add support for Exynos4x12 SoCs" > >> > >> arch/arm/boot/dts/Makefile | 1 + > >> arch/arm/boot/dts/exynos4412-smdk4412.dts | 45 > >> > >> +++++++++++++++++++++++++++++ 2 files changed, 46 insertions(+), 0 > >> deletions(-) > >> > >> create mode 100644 arch/arm/boot/dts/exynos4412-smdk4412.dts > >> > >> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile > >> index f37cf9f..36488a5 100644 > >> --- a/arch/arm/boot/dts/Makefile > >> +++ b/arch/arm/boot/dts/Makefile > >> @@ -23,6 +23,7 @@ dtb-$(CONFIG_ARCH_DOVE) += dove-cm-a510.dtb \ > >> > >> dtb-$(CONFIG_ARCH_EXYNOS) += exynos4210-origen.dtb \ > >> > >> exynos4210-smdkv310.dtb \ > >> exynos4210-trats.dtb \ > >> > >> + exynos4412-smdk4412.dtb \ > >> > >> exynos5250-smdk5250.dtb > >> > >> dtb-$(CONFIG_ARCH_HIGHBANK) += highbank.dtb > >> dtb-$(CONFIG_ARCH_INTEGRATOR) += integratorap.dtb \ > >> > >> diff --git a/arch/arm/boot/dts/exynos4412-smdk4412.dts > >> b/arch/arm/boot/dts/exynos4412-smdk4412.dts new file mode 100644 > >> index 0000000..f05bf57 > >> --- /dev/null > >> +++ b/arch/arm/boot/dts/exynos4412-smdk4412.dts > >> @@ -0,0 +1,45 @@ > >> +/* > >> + * Samsung's Exynos4412 based SMDK board device tree source > >> + * > >> + * Copyright (c) 2012-2013 Samsung Electronics Co., Ltd. > >> + * http://www.samsung.com > >> + * > >> + * Device tree source file for Samsung's SMDK4412 board which is > >> based > >> on + * Samsung's Exynos4412 SoC. > >> + * > >> + * This program is free software; you can redistribute it and/or > >> modify + * it under the terms of the GNU General Public License > >> version 2 as + * published by the Free Software Foundation. > >> +*/ > >> + > >> +/dts-v1/; > >> +/include/ "exynos4412.dtsi" > >> + > >> +/ { > >> + model = "Samsung SMDK evaluation board based on Exynos4412"; > >> + compatible = "samsung,smdk4412", "samsung,exynos4412"; > >> + > >> + memory { > >> + reg = <0x40000000 0x40000000>; > >> + }; > > > > This will not boot, because section size limit is set to 256 MiB. > > > > It might work with CONFIG_ARM_ATAG_DTB_COMPAT enabled, because the > > memory configuration from DT is ignored and values from ATAGs are > > taken instead. > > > > I suggest you to change it to 4 banks of 256 MiB. > > Thanks for pointing this out. So are there any existing exynos based > platforms that use sparse mem? If not, we should probably remove the > section length configuration itself for mach-exynos. I suspect this > setting might not help with the single kernel image support as well. Isn't sparse memory the only configuration available for ARCH_EXYNOS? Best regards, -- Tomasz Figa Samsung Poland R&D Center SW Solution Development, Linux Platform -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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