[PATCH] ARM: dts: add initial dts file for ORIGEN4QUAD

[kh.choi@insignal.co.kr (kh.choi)]

Hi Tomasz,

2012-11-26 ?? 8:57, Tomasz Figa ? ?:
> Hi Kyungmin, Kyuho,
>
> On Monday 26 of November 2012 20:52:12 Kyungmin Park wrote:
>> Hi,
>>
>> On 11/26/12, chlrbgh0 at gmail.com <chlrbgh0@gmail.com> wrote:
>>> From: Kyuho Choi <kh.choi@insignal.co.kr>
>>>
>>> This patch adds initial dts file for ORIGEN4QUAD board.
>>> ORIGEN4QUAD board based on Samsung EXYNOS4412 SoC.
>>> More properties will be added later.
>>>
>>> Signed-off-by: Kyuho Choi <kh.choi@insignal.co.kr>
>>> ---
>>>
>>>   arch/arm/boot/dts/exynos4412-origen4quad.dts |   45
>>>
>>> ++++++++++++++++++++++++++
>>>
>>>   1 files changed, 45 insertions(+), 0 deletions(-)
>>>   create mode 100644 arch/arm/boot/dts/exynos4412-origen4quad.dts
>>>
>>> diff --git a/arch/arm/boot/dts/exynos4412-origen4quad.dts
>>> b/arch/arm/boot/dts/exynos4412-origen4quad.dts
>>> new file mode 100644
>>> index 0000000..390a2ab
>>> --- /dev/null
>>> +++ b/arch/arm/boot/dts/exynos4412-origen4quad.dts
>>> @@ -0,0 +1,45 @@
>>> +/*
>>> + * Samsung's Exynos4412 based Origen4Quad board device tree source
>>> + *
>>> + * Copyright (c) 2012-2013 Isnignal Co., Ltd.
>>> + *		http://www.insignal.co.kr
>>> + *
>>> + * Device tree source file for Insignal's Origen4Quad 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 = "Insignal Origen4Quad board based on Exynos4412";
>>> +	compatible = "insignal,origen4quad", "samsung,exynos4412";
>>> +
>>> +	memory {
>>> +		reg = <0x40000000 0x40000000>;
>>> +	};
>>
>> does it test to boot with this dts file?
>> does it support 1GiB memory section?
>
> It will most likely fail to boot with u-boot versions that do not support
> replacing memory configuration in device tree and without
> CONFIG_ARM_ATAG_DTB_COMPAT enabled.
>
> In other words, the memory setup from dts is used only if both of the
> following are true:
>   - CONFIG_ARM_ATAG_DTB_COMPAT is disabled
>   - u-boot does not modify memory setup in device tree passed to the kernel
I'd working based on `exynos4_defconfig` for ORIGEN4QUAD board.
`exynos4_defconfig`s default disabled CONFIG_ARM_ATAG_DTB_COMPAT.
And ORIGEN4QUAD working on u-boot v2012.10.
>
> Best regards,
>