On Thu, Dec 19, 2013 at 12:43:28PM +0100, Lucas Stach wrote: > Am Donnerstag, den 19.12.2013, 12:05 +0200 schrieb Peter De Schrijver: > [...] > > > > > funny tricks like running from IRAM since we can't access SDRAM during > > > the clock change? If so, I'm not sure how having the EMC clock changing > > > code is going to help your case (2) anyway, since we'll presumably have > > > to code up a custom stub in assembly for the part of the code that runs > > > from IRAM... > > > > > > > There is no need for assembler or running from IRAM (at least from Tegra30 > > onwards, I don't know about Tegra20). > > > Tegra20 doesn't need any IRAM trickery, the sequence is just: > 1. set up EMC shadow registers for new clock frequency > 2. change EMC divider in CAR module > Nothing needs to be done after the divider change? Cheers, Peter. -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
