On 2025-11-03 15:35:30+01:00, Romain Naour wrote: > Hello Neha, All, > > Le 03/11/2025 à 08:10, Neha Malcom Francis a écrit : > > > Add a concise section for DDR configuration pointing to the public tool > > that can be used to generate the configuration DTSI. > > > > Signed-off-by: Neha Malcom Francis <[email protected]> > > --- > > Changes since v1: > > - new patch > > > > doc/board/ti/k3.rst | 11 +++++++++++ > > 1 file changed, 11 insertions(+) > > > > diff --git a/doc/board/ti/k3.rst b/doc/board/ti/k3.rst > > index 01fb9411688..de66b830703 100644 > > --- a/doc/board/ti/k3.rst > > +++ b/doc/board/ti/k3.rst > > @@ -649,6 +649,17 @@ Refer (:ref:`U-boot ARMV8 build > > <k3_rst_include_start_build_steps_uboot>`) > > This will need to be explicitly disabled by changing the boot_targets to > > disallow fallback during testing. > > > > +DDR Configuration > > +----------------- > > + > > +The K3 DDRSS driver (drivers/ram/k3-ddrss/k3-ddrss.c) configures the DDR > > during > > +the R5 SPL stage. The driver utilizes an auto-generated configuration file > > +containing necessary settings for the DDR. It configures the frequency, > > timing > > +parameters, training algorithms etc. for DDR initialization. The > > configuration > > +DTSI can be generated using the `Sysconfig tool > > <https://dev.ti.com/sysconfig>`_ > > +and selecting the software product as "DDR Configuration for \*" as well > > as the > > +required device. > > Thanks for promoting the new K3 DDRSS configuration tool (v0.12.00)! > Until recently, I was still using the old spreadsheet (K3 DDRSS v0.10.0) from > outdated application note [1]. > > The FAQ post [2] is really useful for custom board DDR configuration but > somewhat difficult to find/notice on e2e forum. > > Note: The K3 DDRSS sysconfig based tool can even be used offline [3]. > > [1] https://www.ti.com/lit/an/spracu8b/spracu8b.pdf > [2] > https://e2e.ti.com/support/processors-group/processors/f/processors-forum/1482402/faq-tda4vm-tda4x-dra8x-am68x-am69x-lpddr4-topics > [3] > https://e2e.ti.com/support/processors-group/processors/f/processors-forum/1378443/processor-sdk-j784s4-tda4ah-offline-ddr-configuration-tool---latest-version/5269621 > > Reviewed-by: Romain Naour <[email protected]>
Thank you for reviewing as well as pointing to further documentation. Will take the feedback on the e2e and have a form of it on public documentation as well! > > Best regards, > Romain
