On Wed, 29 Aug 2012, Brad Arnold wrote: > On Wed, Aug 29, 2012 at 9:50 AM, Nicolas Pitre <nico@xxxxxxxxxxx> wrote: > > > > On Wed, 29 Aug 2012, Brad Arnold wrote: > > > > > Hi, > > > > > > I'm working on an embedded board which uses u-boot + linux. At > > > manufacturing time, the device serial number will be programmed into OTP > > > memory on NAND (probably from within u-boot). We'd like the linux kernel > > > to make this serial number available to be read from userspace. Is there > > > an accepted method to do this sort of thing? > > > > A serial number field is available from /proc/cpuinfo already. you just > > have to initialize it through the system_serial_high and > > system_serial_low global variables. > > > > > > Nicolas > > Actually, I guess even better than initializing through the two > variables is to pass the serial directly from u-boot using the tag. Yes, if you are still using ATAGs. Nicolas -- To unsubscribe from this list: send the line "unsubscribe linux-embedded" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
