Re: [PATCH] ARM: dts: Revert disabling of smc91x for n900
From: Pali RohÃr
Date: Thu Feb 19 2015 - 11:47:32 EST
On Wednesday 18 February 2015 23:42:06 Tony Lindgren wrote:
> * Pali RohÃr <pali.rohar@xxxxxxxxx> [150218 11:07]:
> > On Wednesday 18 February 2015 17:33:53 Tony Lindgren wrote:
> > > > */ +// reg = <1 0x300 0xf>; /* 16 byte IO range at
> > offset
> > > > 0x300 */ + reg = <1 0x0 0xf>; /* 16 byte IO range
> > at
> > > > offset 0x300 */
> > > >
> > > > bank-width = <2>;
> > > > pinctrl-names = "default";
> > > > pinctrl-0 = <ðernet_pins>;
> > >
> > > Oh cool, the 0x300 offset is there mostly to suppress
> > > warnings about non-standard location.
> > > OK that's good news. Care to do a patch to set the offset
> > > 0x0 with added comment that qemu needs it? I'll test to
> > > make sure it works on the real hardware as well.
> > Yes, I can send proper git format-patch, but first let me
> > know if that change does not break your HW...
> Yes using reg = <1 0 0xf> works, it just adds this extra
> smc91x 2000000.ethernet (unnamed net_device) (uninitialized):
> smc91x: IOADDR d09d6000 doesn't match configuration (300).
> And I'm pretty sure that can be fixed by setting the EEPROM
> offset to 0 instead of the default 0x300. People with smc91x
> most likely want to write at least the MAC address to the
> EEPROM, so might as well set the offset to zero then too.
> Of course it's always possible to do do a omap3-n900-qemu.dts
> if larger changes are needed :)
Anyway, here are original Nokia board data (2.6.28) for smc91x ethernet:
Can you check if it match with our data in DT file?
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