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2012-10-29m25p80: Support for Quad SPIPeter Crosthwaite
Added the Quad mode read and write commands. Data remains serialized on a single wire, i.e. the quad mode instructions just behave the same as single mode, with the expection of modelling the varying number of dummy/mode bytes between the address bytes and the first data word. Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
2012-10-10m25p80: Initial implementation of SPI flash devicePeter A. G. Crosthwaite
Added device model for m25p80 style SPI flash family. Signed-off-by: Peter A. G. Crosthwaite <peter.crosthwaite@petalogix.com>