> -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf > Of Subrahmanya, Chaithrika > Sent: Monday, January 12, 2009 5:14 PM > To: Kevin Hilman; [email protected] > Subject: RE: davinci git updated to v2.6.28 > > > -----Original Message----- > > From: davinci-linux-open-source- > > [email protected] [mailto:davinci-linux- > > [email protected]] On Behalf > Of > > Kevin Hilman > > Sent: Saturday, January 10, 2009 1:28 PM > > To: [email protected] > > Subject: Re: davinci git updated to v2.6.28 > > > > Kevin Hilman <[email protected]> writes: > > > > > DaVinci git has been sync'd with the upstream (omap) tree at > > > v2.6.28. Boot tested a single kernel (davinci_all_defconfig) on > > > dm6446, dm355 and dm6467. > > > > FYI... > > > > I boot tested on dm6467, but I just now noticed that when using > > CONFIG_DEBUG_LL on dm6467 I'm back to getting garbage out the serial > > port. dm355 and dm6446 work fine with CONFIG_DEBUG_LL. > > > > I haven't yet debugged this further. > > This is due to the byte access of UART through the macros in > arch/arm/include/asm/hardware/debug-8250.S file. On changing the > instructions to > 'ldr' and 'str' from 'ldrb' and 'strb' respectively, the debug messages > are output. >
'DM646x requires 32-bit access to UART unlike other DaVinci SoCs'. The changes made to arch/arm/include/asm/hardware/debug-8250.S file was just to test and a better way to override this behavior is still being looked into. -Chaithrika_______________________________________________ Davinci-linux-open-source mailing list [email protected] http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
