On Sat, Aug 14, 2021 at 01:49:01AM -0500, Suman Anna wrote:
> The DM binary runs on the MCU R5F Core0 after R5 SPL on J721E and J7200
> SoCs. The binary is built alongside the TFA, OPTEE and A72 SPL binaries
> and included in the tispl.bin FIT image. The R5 SPL loads the DM binary
> at 0xA0000000 address, based on the value used in the FIT image build
> script. The DM binary though is an ELF image and not a regular binary
> file, and so is processed further to load the actual program segments
> using the U-Boot's standard ELF loader library.
>
> The DM binary does leverage a certain portion of DDR for its program
> segments, and typically reserves 16 MB of DDR at 0xA0000000 with the
> 1st MB used for IPC between Linux and the remote processor, and
> remaining memory for firmware segments. This can cause an incomplete
> loading of the program segments if the DM binary is larger than 1 MB,
> due to overlap of the initial loaded binary and the actual program
> segments.
>
> Fix this by using the address 0x89000000, which matches the current
> "addr_mcur5f0_0load" env variable used by R5 SPL before the DM firmware
> inclusion into the tispl.bin.
>
> Fixes: df5363a67f35 ("tools: k3_fit_atf: add DM binary to the FIT image")
> Signed-off-by: Suman Anna <s-a...@ti.com>Applied to u-boot/master, thanks! -- Tom
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