spi: cadence-quadspi: Add compatible for AMD Pensando Elba SoC

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The AMD Pensando Elba SoC has the Cadence QSPI controller integrated.

The quirk CQSPI_NEEDS_APB_AHB_HAZARD_WAR is added and if enabled
a dummy readback from the controller is performed to ensure
synchronization.

Signed-off-by: Brad Larson <blarson@amd.com
Link: https://lore.kernel.org/r/20230515181606.65953-8-blarson@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org

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Brad Larson 2023-05-15 11:16:05 -07:00 • committed by Mark Brown

parent 9f34baf67e

commit f5c2f9f958

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drivers/spi/spi-cadence-quadspi.c

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