On 25/11/2016 16:12, Måns Rullgård wrote: > Mason writes: > >> I've had several talks with the HW dev, and I don't think they >> anticipated the need to mux the 3 channels. In their minds, >> customers would choose at most 3 devices to support, and >> assign one channel to each device statically. >> >> In fact, in tango4, supported devices are: >> A) NAND Flash controllers 0 and 1 >> NB: the upstream driver only uses controller 0 >> B) IDE or SATA controllers 0 and 1 >> C) a few crypto HW blocks which do not work as expected (unused) >> >> Customers typically use 1 channel for NAND, maybe 1 for SATA, >> and 1 channel remains unused. > > The hardware has two sata controllers, and I have a board that uses both. I don't have the tango3 client devices in mind, but 1 NAND + 2 SATA works out alright for 3 channels, right? Regards. -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
