>> Can the Chip Select Pins be used as GPIO? It might be simpler to do >> that than >> adding a speciality to common code. > True, a GPIO pin could be re-purposed to serve as chip select, but that > would involve a soldering iron and a steady hand as the P1/P2xxRDB > boards are reference design boards sold by a lot of third party vendors > (including Denx if I'm not mistaken) this would detract from the ability > to just plug u-boot in and run with it. > > People could also choose to bitbang the SPI on their custom hardware but > again I feel that might defeat the purpose and spirit of u-boot. (Then > again, I'm new so don't quote me on that). > Quick followup, I may have misunderstood that question. The SPI pins can only be re-purposed as extra data pins for the SDHC. It's not possible to use them as GPIO.
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