Kim,
On Tue, 16 Nov 2010 13:37:50 +0100 Andre Schwarz andre.schwarz@matrix-vision.de wrote:
USB register range IMMR+0x00-0xff is reserved and hangs the CPU.
Signed-off-by: Andre Schwarz andre.schwarz@matrix-vision.de
nack, 837x has a usb controller at IMMR+0x23000.
yes - but offset 0x00-0xff is explicitly reserved regarding to the manual. Don't know whether it is a "should not" or "must not be touched". All I can see is a CPU hang with arbiter event register reporting a timeout on 0xe0023000.
Check to see whether there is an invalid USB clock setting in the SCCR? All clocks are turned on except SEC and 2nd TSEC. After all USB is running fine with this patch, i.e. there can hardly be a missing clock.
Please re-think you NAK. -- Gruß, André Schwarz
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