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As per the T210 TRM, when running at 3.3v, the SDMMC1 tap/trim and autocal values need to be set to condition the signals correctly before talking to the SD-card. This is the same as what's being done in CBoot, but it gets reset when the SDMMC1 HW is soft-reset during SD driver init, so needs to be repeated here. Also set autocal and tap/trim for SDMMC3, although no T210 boards use it for SD-card at this time. Signed-off-by: Tom Warren <twarren@nvidia.com> Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com> |
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