[U-Boot] [PATCH 2/2] ARM: tegra: use LINUX_KERNEL_IMAGE_HEADER
Stephen Warren
swarren at wwwdotorg.org
Mon Jan 8 18:23:02 UTC 2018
On 01/07/2018 09:50 PM, Simon Glass wrote:
> Hi Stephen,
>
> On 2 January 2018 at 16:54, Stephen Warren <swarren at wwwdotorg.org> wrote:
>> From: Stephen Warren <swarren at nvidia.com>
>>
>> Enable CONFIG_LINUX_KERNEL_IMAGE_HEADER for all 64-bit Tegra boards.
>> cboot (the boot SW that runs before U-Boot) will eventually use this
>> information.
>
> How does U-Boot use it? Does it not come from the FIT?
U-Boot doesn't use the header itself. Rather, the header provides
information (e.g. BSS usage) to whatever SW is loading U-Boot into RAM.
We don't use FIT at all; I'd rather our boot flow not know about
bootloader-specific data formats.
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