2b33ffde2e
Implement support for an eSDHC controller found in NXP QorIQ Layerscape SoCs. This driver has been tested with NXP LS1046A and LX2160A (Honeycomb board), which is incompatible with the existing sdhci_fsl driver (aiming at older chips from this family). As such, it is not intended as replacement for the old driver, but rather serves as an improved alternative for SoCs that support it. It comes with support for both PIO and Single DMA modes and samples the clock from the extres clk API. Submitted by: Artur Rojek <ar@semihalf.com> Reviewed by: manu, mmel, kibab Obtained from: Semihalf Sponsored by: Alstom Group Differential Revision: https://reviews.freebsd.org/D26153
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