[U-Boot] [PATCH 00/13] System Firmware Loader for TI K3 family SoCs

Tom Rini
2019-05-15T15:16:43Z

On Tue, May 07, 2019 at 12:25:29PM -0500, Andreas Dannenberg wrote:

> TI K3 SoCs like the AM654x devices are fundamentally dependent on a
> firmware called SYSFW (System Firmware) being loaded into the dedicated
> DMSC (Device Management and Security Controller) processor to provide
> various services via TISCI (Texas Instruments System Control Interface)
> to manage device aspects such as core bringup, power, clocks, security,
> and so on across the entire SoC.
[snip]
> While I also have a working solution based on the existing FS loader
> framework this has its own challenges, namely by its very nature only
> addressing a subset of our use cases (no eMMC/SD RAW boot support for
> example), being heavier on resource usage (needing to use ENV to pass
> parameters), and not addressing the need to probe the boot peripheral.
> This particular framework works well for use cases requiring to load
> firmware from FS-based media once DDR is up and U-Boot is in a more
> "initialized" state but it is not a one-fits all solution for very
> early use in SPL board_init_f() accross different boot modes.

I think one thing that might help here is to post this alternative
solution and provide the 'size' information for both series. In
addition, build something like am335x_evm and socfpga_stratix10 for both
series and include their before/after 'size' info too. Thanks!

--
Tom
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