I know of no such way. As linux uses device tree which sets the pin functions, it can only be changed at boot time. You may need to create a special driver.
I know of no such driver. Gerald On Thu, Jan 1, 2015 at 12:11 AM, <[email protected]> wrote: > I know that MMC1 and GPMC uses same data pins. So that we cant access MMC1 > and GPMC pins at same time. > Is there a way to access MMC1 and GPMC sequentially from linux kernel ? > If yes, Please provide me input in kernel driver. > > If no, then can you please provide me approach to set up MMC1 and > GPMC's sequential access from kernel > > - > Regard, > Dhvanil > > > On Wednesday, 31 December 2014 19:01:54 UTC+5:30, Gerald wrote: >> >> The eMMC does not use GPMC. It use the MMC function on those pins. Only >> one device can be supported on those pins. If you want 8G your best bet >> would be to replace the 4G part with an 8G part. >> >> Gerald >> >> >> On Wed, Dec 31, 2014 at 3:11 AM, <[email protected]> wrote: >> >>> Hi >>> >>> I am new to BBB. The BBB has 4GB emmc support which is using GPMC pins. >>> I want to add another 8GB 8bit Nand flash using GPMC. We are using same >>> data bus of GPMC data. The difference is only control signal. >>> We are using MT29F64G08CFACA chip for 8GB NAND flash. >>> >>> Is there any support of multiple Nand flash using GPMC in linux kernel >>> 3.8.13 ? >>> If yes, How can add 8GB Nand flash along with 4GB eMMC in linux kernel >>> device tree? >>> >>> Thanks in Advanced, >>> Dhvanil >>> >>> -- >>> For more options, visit http://beagleboard.org/discuss >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "BeagleBoard" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> >> >> -- >> Gerald >> >> [email protected] >> http://beagleboard.org/ >> http://circuitco.com/support/ >> > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- Gerald [email protected] http://beagleboard.org/ http://circuitco.com/support/ -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
