at86rf230-aware SPI driver for atben

Werner Almesberger werner at
Thu Jun 23 23:41:47 EDT 2011

I've hacked a first working version of an SPI host driver that
"knows" the requests the at86rf230/1 driver sends and that speaks
directly to the atben hardware, without the detours spi_gpio takes:

This is a proof of concept implementation. The code that classifies
requests coming from at86rf230 illustrates the concept but isn't
needed in this driver. The GPIO part can still be optimized.

Also, atben_reset still lives in board-qi_lb60.c, but spi_atben.c
would be a more natural place - this means that we'll get to tweak
the platform data :)

- Werner

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