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SubjectRe: [PATCH 09/32] ARM: dts: omap3-gta04: make NAND partitions compatible with recent U-Boot
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> Am 25.07.2018 um 10:07 schrieb Ladislav Michl <ladis@linux-mips.org>:
>
> On Wed, Jul 25, 2018 at 08:58:41AM +0200, H. Nikolaus Schaller wrote:
>> Vendor defined U-Boot has changed the partition scheme a while ago:
>>
>> * kernel partition 6MB
>> * file system partition uses the remainder up to end of the NAND
>> * increased size of the environment partition (to get an OneNAND compatible base address)
>> * shrink the U-Boot partition
>>
>> Let's be compatible (e.g. Debian kernel built from upstream).
>
> That, in fact, is breaking compatibility.

With what? Nobody is using the old u-boot partition scheme any more
(it is >5 years old).

> So once you are touching this
> what about relying on partitioning provided by bootloader just to prevent
> something like this happening again?

Well, we define what compatible means here (since we are the vendor).
And people complain with us. We simply recommend them to upgrade the
boot-loader.

BR,
Nikolaus

>
> ladis
>
>> Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
>> ---
>> arch/arm/boot/dts/omap3-gta04.dtsi | 12 ++++++------
>> 1 file changed, 6 insertions(+), 6 deletions(-)
>>
>> diff --git a/arch/arm/boot/dts/omap3-gta04.dtsi b/arch/arm/boot/dts/omap3-gta04.dtsi
>> index 65f77a0b5dd4..03fe404cbf56 100644
>> --- a/arch/arm/boot/dts/omap3-gta04.dtsi
>> +++ b/arch/arm/boot/dts/omap3-gta04.dtsi
>> @@ -645,22 +645,22 @@
>>
>> bootloaders@80000 {
>> label = "U-Boot";
>> - reg = <0x80000 0x1e0000>;
>> + reg = <0x80000 0x1c0000>;
>> };
>>
>> - bootloaders_env@260000 {
>> + bootloaders_env@240000 {
>> label = "U-Boot Env";
>> - reg = <0x260000 0x20000>;
>> + reg = <0x240000 0x40000>;
>> };
>>
>> kernel@280000 {
>> label = "Kernel";
>> - reg = <0x280000 0x400000>;
>> + reg = <0x280000 0x600000>;
>> };
>>
>> - filesystem@680000 {
>> + filesystem@880000 {
>> label = "File System";
>> - reg = <0x680000 0xf980000>;
>> + reg = <0x880000 0>; /* 0 = MTDPART_SIZ_FULL */
>> };
>> };
>> };
>> --
>> 2.12.2
>>
>> --
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