Hi Vaibhav, On Jan 30, 2013, at 3:47 PM, Bedia, Vaibhav wrote:
> Hi Antoniou, > > On Wed, Jan 30, 2013 at 19:07:19, Pantelis Antoniou wrote: >> Hi Vaibhav, >> >> On Jan 30, 2013, at 3:29 PM, Bedia, Vaibhav wrote: >> >>> On Wed, Jan 30, 2013 at 18:14:30, Pantelis Antoniou wrote: >>>> Hi Vaibhav, >>>> >>>> On Jan 30, 2013, at 2:38 PM, Bedia, Vaibhav wrote: >>>> >>>>> On Wed, Jan 30, 2013 at 16:38:50, Pantelis Antoniou wrote: >>>>> [...] >>>>>> >>>>>> TBH I haven't found a simple way to print out the silicon revision >>>>>> number. >>>>>> Anyone on the list know a quick and dirty method? >>>>>> >>>>> >>>>> You can dump the DEVICE_ID register @ 0x44e10600. >>>>> Bits 31:28 should be 0 for PG1.0 and 1 for PG2.0. >>>>> >>>> >>>> Thanks this works perfectly: >>>> >>>> original-bone: >>>> root@beaglebone:~# devmem2 0x44e10600 w >>>> Read at address 0x44E10600 (0xb6ff4600): 0x0B94402E >>>> >>>> bone-black: >>>> root@beaglebone:~# devmem2 0x44e10600 w >>>> Read at address 0x44E10600 (0xb6fcc600): 0x1B94402E >>>> >>> >>> I just re-read the mail-chain and I am confused here. >>> So the patch in question is meant for Bone-A4 which has >>> PG1.0? >>> >> >> It is a general bug fix. The problem was discovered only on >> the bone black which has PG2.0 silicon. The driver has been >> tested and it works on the original bone with PG1.0 as well. >> > > But Mugunthan mentioned that he doesn't see this on an EVM > with PG2.0 silicon... is there any board dependency here? > I don't know, but I doubt it. How about we wait for Mugunthan to send us what are the DEVICE_ID contents for his board. > Regards, > Vaibhav Regards -- Pantelis -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
