Subject: Re: kern/28955: wm(4) broken on IQ31244 since if_wm.c revision 1.53
To: Richard Earnshaw <firstname.lastname@example.org>
From: Allen Briggs <email@example.com>
Date: 01/13/2005 23:52:28
On Thu, Jan 13, 2005 at 10:33:00PM +0000, Richard Earnshaw wrote:
> Revision 1.53 if if_wm.c introduced a reset of the if_wm device using
> an IO map handle. Since this time the IQ31244 port seems to have been
> completely unable to communicate over the wm device (the chip seems to
> be incompletely reset).
You'll probably find that wm1 is OK while wm0 is not. This is
because there are no other devices and wm0 gets I/O address 0 by
default. This appears to not work at all with the 82546--it doesn't
fault, but it also apparently doesn't do the right thing with I/O
accesses. I thought I had committed a change to default starting
I/O space at 0x1000 or so for i80321's PCI, but this unfortunately
also broke the iyonix. I have on my to-do list to track this down.
What version of src/sys/arch/arm/xscale/i80321_pci.c do you have?
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