On Tue, May 16, 2017 at 02:46:35PM -0400, Tom Rini wrote: > The ti816x/am389x SoC is the first generation in what U-Boot calls the > "am33xx" family. In the first generation of this family the DDR > initialization sequence is quite different from all of the subsequent > generations. Whereas with ti814x (second generation) we can easily work > the minor differenced between that and am33xx (third generation), our > attempts to do this for ti816x weren't sufficient. Rather than add a > large amount of #ifdef logic to make this different sequence work we add > a new file, ti816x_emif4.c to handle the various required undocumented > register writes and sequence and leverage what we can from > arch/arm/mach-omap2/am33xx/ddr.c still. As DDR2 has similar problems > today but I am unable to test it, we drop the DDR2 defines from the code > rather than imply that it works by leaving it. We also remove a bunch > of other untested code about changing the speed the DDR runs at. > > Signed-off-by: Tom Rini <[email protected]>
Applied to u-boot/master, thanks! -- Tom
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