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598a26a8fb
The dwmmc controllers on rk3188 do not have idma support, so need to use the fifo-mode and it my tests they became confused and stopped working if the frequency was to high. While I only tested in somewhat bigger steps, 32MHz for example hung the controller, while reducing it to 16MHz worked just fine and is reasonably fast to load a kernel from mmc. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com> Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com> |
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