[PATCH] arm64: zynqmp Add support for zcu102 rev1.1

Michal Simek michal.simek at xilinx.com
Thu Mar 12 09:33:06 CET 2020

On 12. 03. 20 9:22, Marek Vasut wrote:
> On 3/12/20 9:20 AM, Michal Simek wrote:
>> On 12. 03. 20 9:17, Marek Vasut wrote:
>>> On 3/12/20 9:14 AM, Michal Simek wrote:
>>>> rev1.1 has different DDR sodimm module that's why it requires different DDR
>>>> configuration.
>>> Can't you move the DRAM configuration to DT at some point ?
>> That algorithm is not available. In this zcu102 case the part of code is
>> available in fsbl (which is not gpl) but it just changing some
>> parameters between sodimm on rev1 and rev1.1. It doesn't contain full
>> algorithm how to configure the whole ddr controller.
> Surely Xilinx knows the algorithm , since they developed the chip and
> the controller ? :)

You know the answer that's why no reason to answer it.
And I am not aware about any activity to move DDR generation to any
first stage bootloader and the standard way available is to configure
DDR controller via psu_init* files.


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