[U-Boot] [PATCH 4/9] armv8: layerscape: Rewrite memory reservation

[york sun]

On 02/14/2017 09:00 AM, york.sun at nxp.com wrote:
> On 02/14/2017 07:31 AM, Alexander Graf wrote:
>>
>>
>> On 14/02/2017 04:45, York Sun wrote:
>>> For ARMv8 Layerscape SoCs, secure memory and MC memorey are reserved
>>> at the end of DDR. DDR is spit into two or three banks. This patch
>>> reverts commit aabd7ddb and simplifies the calculation of reserved
>>> memory, and moves the code into common SoC file. Secure memory is
>>> carved out first. DDR bank size is reduced. Reserved memory is then
>>> allocated on the top of available memory. U-Boot still has access
>>> to reserved memory as data transferring is needed. Device tree is
>>> fixed with reduced memory size to hide the reserved memory from OS.
>>
>> I haven't looked in detail, but could you please ensure that you also
>> reserve those regions in the efi_loader memory map?
>
> I missed efi reserved memory map. Will add in v2 patch.
>

Alex,

Is the misc_init_r() the best place to add such reservation under your 
code dealing with DP_DDR? It is per board code. As of now, we only have 
ls2080ardb with efi boot.

York