On Wednesday 18 June 2014 23:53:00 Fabio Estevam wrote: > On Wed, Jun 18, 2014 at 5:20 PM, Pali Rohár <[email protected]> wrote: > > So how to read Revision and Serial number in DT based > > kernel? > > $ cat /sys/bus/soc/devices/soc0/soc_id > i.MX6SX > > $ cat /sys/bus/soc/devices/soc0/revision > 1.0 > > $ cat /sys/bus/soc/devices/soc0/machine > Freescale i.MX6 SoloX SDB Board
This does *not* working with DT based boot! $ cat /sys/bus/soc/devices/soc0/soc_id cat: can't open '/sys/bus/soc/devices/soc0/soc_id': No such file or directory $ cat /sys/bus/soc/devices/soc0/revision ES3.1 $ cat /sys/bus/soc/devices/soc0/machine OMAP3430/3530 Here is output from *non* DT based boot: # busybox cat /proc/cpuinfo processor : 0 model name : ARMv7 Processor rev 3 (v7l) Features : swp half thumb fastmult vfp edsp thumbee neon vfpv3 tls vfpd32 CPU implementer : 0x41 CPU architecture: 7 CPU variant : 0x2 CPU part : 0xc08 CPU revision : 3 Hardware : Nokia RX-51 board Revision : 0012 Serial : 0000000000000000 As you can see in those files are totally *different* values. -- Pali Rohár [email protected]
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