On Tue, Nov 14, 2017 at 05:05:20PM +0200, Roger Quadros wrote: > On 13/11/17 17:27, Ladislav Michl wrote: > > Here it would be nice to have the same documentation Nokia had at the time > > writing support for n8x0 as they clearly used few undocumented features. > > Please see section 3.9.5 of above mentioned specs. Seems DMA slave should > > be triggered by RDY not INT pin. > > Correct. For RDY pin usage See 3.7.3 Handshaking Operation > > "The handshaking feature allows the host system to simply monitor the RDY signal from the device to determine > when the initial word of burst data is ready to be read." To collect more documentation from Samsung, this appnote is also relevant: http://trendol.free.fr/SMDK6410/842440S3C6410_ApplicationNotes_rev10.pdf Section 7. OneNand, especially 7.5.1.3-6. -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html