[U-Boot-Users] [PATCH] mpc83xx: Add support for the display ofreset status

[Liu Dave-r63238]

> > 83xx processor family has many reset sources, such as
> > power on reset, software hard reset, software soft reset,
> > JTAG, bus monitor, software watchdog, check stop reset,
> > external hard reset, external software reset.
> > sometimes, to figure out the fault of system, we need to
> > know the cause of reset early before the prompt of
> > u-boot present.
> 
> How do you detect power on reset? I have looked for that but
> the rsr reg does not seem to support that and I really
> want to detect this.

Usually, if all of these status bits of rsr is zero, consider this as
power on reset.

- d