From: jgunthorpe@obsidianresearch.com (Jason Gunthorpe)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 1/2] ARM: kirkwood: Ensure that kirkwood_ge0[01]_init() finds its clock
Date: Thu, 31 Jan 2013 17:19:32 -0700 [thread overview]
Message-ID: <20130201001932.GA13044@obsidianresearch.com> (raw)
In-Reply-To: <20130201000109.GK7717@titan.lakedaemon.net>
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
access?
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.
Jason
next prev parent reply other threads:[~2013-02-01 0:19 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-27 10:40 [PATCH v2 0/2] Do not gate ge0/1 and runit clocks on Kirkwood Simon Baatz
2013-01-27 10:40 ` [PATCH v2 1/2] ARM: kirkwood: Ensure that kirkwood_ge0[01]_init() finds its clock Simon Baatz
2013-01-27 10:52 ` Sebastian Hesselbarth
2013-01-27 11:08 ` Simon Baatz
2013-01-27 11:18 ` Sebastian Hesselbarth
2013-01-27 14:19 ` Sebastian Hesselbarth
2013-01-27 14:46 ` Jason Cooper
2013-01-27 14:53 ` Sebastian Hesselbarth
2013-01-27 15:24 ` Jason Cooper
2013-01-28 22:31 ` Simon Baatz
2013-01-29 0:48 ` Jason Cooper
2013-01-29 19:42 ` Simon Baatz
2013-01-29 20:08 ` Sebastian Hesselbarth
2013-01-29 20:32 ` Jason Cooper
2013-01-29 20:48 ` Sebastian Hesselbarth
2013-01-29 21:23 ` Jason Cooper
2013-01-30 22:43 ` Jason Cooper
2013-01-30 23:05 ` Jason Gunthorpe
2013-01-31 0:29 ` Jason Cooper
2013-01-31 0:39 ` Jason Gunthorpe
2013-01-30 0:03 ` Simon Baatz
2013-01-30 0:51 ` Sebastian Hesselbarth
2013-01-30 4:26 ` Jason Cooper
2013-01-30 8:30 ` Simon Baatz
2013-01-30 10:16 ` Sebastian Hesselbarth
2013-01-30 14:53 ` Simon Baatz
2013-01-30 23:01 ` Jason Cooper
2013-01-30 23:15 ` Jason Gunthorpe
2013-01-31 0:40 ` Jason Cooper
2013-01-30 23:22 ` Sebastian Hesselbarth
2013-01-31 0:32 ` Jason Cooper
2013-01-31 22:26 ` Simon Baatz
2013-01-31 22:44 ` Simon Baatz
2013-01-31 22:49 ` Sebastian Hesselbarth
2013-02-01 0:11 ` Jason Cooper
2013-02-01 0:01 ` Jason Cooper
2013-02-01 0:19 ` Jason Gunthorpe [this message]
2013-02-01 6:14 ` Andrew Lunn
2013-02-01 6:46 ` Jason Gunthorpe
2013-02-02 23:04 ` Simon Baatz
2013-02-03 16:45 ` Jason Cooper
2013-01-28 18:28 ` Jason Gunthorpe
2013-01-29 6:56 ` Andrew Lunn
2013-01-29 17:29 ` Jason Gunthorpe
2013-01-28 18:22 ` Jason Gunthorpe
2013-01-28 19:46 ` Jason Cooper
2013-01-29 19:54 ` Simon Baatz
2013-01-29 21:13 ` Jason Cooper
2013-01-28 20:26 ` Jason Cooper
2013-01-27 10:40 ` [PATCH v2 2/2] clk: mvebu: Do not gate runit clock on Kirkwood Simon Baatz
2013-01-27 10:55 ` Sebastian Hesselbarth
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