[PATCH v2 1/2] ARM: kirkwood: Ensure that kirkwood_ge0_init() finds its clock
jgunthorpe at obsidianresearch.com
Thu Jan 31 19:19:32 EST 2013
On Thu, Jan 31, 2013 at 07:01:09PM -0500, Jason Cooper wrote:
> If you're interested, I still have a few ideas. One was to wire two USB
> serial adapters end to end to create a different console
> (console=/dev/ttyUSB0,115200, getty, etc). Since they would be going
> over usb, that's a different clock, so it should work and provide us
> with a safety net.
I can't recall, can you still use JTAG once the CPU has hung on a mbus
If so memory dumping the console ring, or cpu registers would get the
answer pretty directly..
My guesses would be the RTC and/or GPIO blocks (the GPIO blinker needs
a clock), based on table 94.
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