[PATCH 1/2] ARM: kirkwood: add support for OpenBlocks A7 platform
Gregory CLEMENT
gregory.clement at free-electrons.com
Thu Oct 31 08:54:42 EDT 2013
On 31/10/2013 13:50, Jason Cooper wrote:
> On Thu, Oct 31, 2013 at 10:21:23AM +0100, Thomas Petazzoni wrote:
>> Dear Gregory CLEMENT,
>>
>> On Thu, 31 Oct 2013 10:17:43 +0100, Gregory CLEMENT wrote:
>>
>>>> Strange. 'make dtbs' was working here. What was wrong exactly? Just
>>>> that the unit address (@90000) didn't match the starting address
>>>> 0x1c0000 ?
>>>
>>> The unit address has no special meaning for the device tree it's just a
>>> way to give a unique name to a node right?
>>
>> Yes, that's also my understanding.
>
> Correct, that's not what caused the error.
>
>>> So in this case it is not really a problem, but it's just nicer for the
>>> coherency of the information in the dt to have the unit address which match
>>> the starting address.
>>
>> Indeed, it's much better if they match (shame on me for the silly
>> copy/paste), but having then *not* matching should not cause any DTC
>> error, I believe.
>>
>>> I also do a make dtbs ans I didn't get any errors:
>>> $ make dtbs
>>> [...]
>>> DTC arch/arm/boot/dts/kirkwood-openblocks_a6.dtb
>>> DTC arch/arm/boot/dts/kirkwood-openblocks_a7.dtb
>>
>> Same here.
>
> With Thomas' original patch (on top of mvebu/dt, based on v3.12-rc1):
On my side I tested the patch on top on v3.12-rc7. So the difference should
be there.
>
> $ make kirkwood_defconfig
> $ make dtbs
> ...
> DTC arch/arm/boot/dts/kirkwood-openblocks_a6.dtb
> DTC arch/arm/boot/dts/kirkwood-openblocks_a7.dtb
> Warning (reg_format): "reg" property in /ocp at f1000000/nand at 3000000/partition at 0 has invalid length (8 bytes) (#address-cells == 2, #size-cells == 1)
> Warning (reg_format): "reg" property in /ocp at f1000000/nand at 3000000/partition at 90000 has invalid length (8 bytes) (#address-cells == 2, #size-cells == 1)
> Warning (reg_format): "reg" property in /ocp at f1000000/nand at 3000000/partition at d4000 has invalid length (8 bytes) (#address-cells == 2, #size-cells == 1)
> Warning (reg_format): "reg" property in /ocp at f1000000/nand at 3000000/partition at f4000 has invalid length (8 bytes) (#address-cells == 2, #size-cells == 1)
> Warning (reg_format): "reg" property in /ocp at f1000000/nand at 3000000/partition at 4f4000 has invalid length (8 bytes) (#address-cells == 2, #size-cells == 1)
> Warning (reg_format): "reg" property in /ocp at f1000000/nand at 3000000/partition at 2214000 has invalid length (8 bytes) (#address-cells == 2, #size-cells == 1)
> Warning (avoid_default_addr_size): Relying on default #address-cells value for /ocp at f1000000/nand at 3000000/partition at 0
> Warning (avoid_default_addr_size): Relying on default #size-cells value for /ocp at f1000000/nand at 3000000/partition at 0
> Warning (avoid_default_addr_size): Relying on default #address-cells value for /ocp at f1000000/nand at 3000000/partition at 90000
> Warning (avoid_default_addr_size): Relying on default #size-cells value for /ocp at f1000000/nand at 3000000/partition at 90000
> Warning (avoid_default_addr_size): Relying on default #address-cells value for /ocp at f1000000/nand at 3000000/partition at d4000
> Warning (avoid_default_addr_size): Relying on default #size-cells value for /ocp at f1000000/nand at 3000000/partition at d4000
> Warning (avoid_default_addr_size): Relying on default #address-cells value for /ocp at f1000000/nand at 3000000/partition at f4000
> Warning (avoid_default_addr_size): Relying on default #size-cells value for /ocp at f1000000/nand at 3000000/partition at f4000
> Warning (avoid_default_addr_size): Relying on default #address-cells value for /ocp at f1000000/nand at 3000000/partition at 4f4000
> Warning (avoid_default_addr_size): Relying on default #size-cells value for /ocp at f1000000/nand at 3000000/partition at 4f4000
> Warning (avoid_default_addr_size): Relying on default #address-cells value for /ocp at f1000000/nand at 3000000/partition at 2214000
> Warning (avoid_default_addr_size): Relying on default #size-cells value for /ocp at f1000000/nand at 3000000/partition at 2214000
>
> thx,
>
> Jason.
>
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--
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com
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