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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