Thanks Peter! The patch is to support ICH10 in kernel versions.
Actually, I need a help to find out how to access a GPIO reg in ICH family (say 8/9 in existing 2.6.23 version) under linux. it would be great if any pointers to the sources in the kernel currently doing it. Thanks in advance !! On 4/2/09, Peter Teoh <htmldevelo...@gmail.com> wrote: > > On Wed, Apr 1, 2009 at 8:09 PM, Lakshmana Reddy <rvlreddy.t...@gmail.com> > wrote: > > Hi, > > > > I was trying toggle one of the GPIO pins on ICH10 chipset (Intel > > southbridge), but couldn't find the relevant GPIO source in linux 2.6.23. > > Can somebody shed some light on relevant sources in linux to access the > GPIO > > address. > > > > From the datasheet I see there is a GPIOBASE which is LPC config > register, > > so technically mapping the GPIOBASE + offset would give me access to the > > required GPIO reg. > > I looked at "arch/i386", boot related code.. couldnt find the any place > > these GPIOBASE getting configured. > > Unlike for other embedded platform (arm/mips), i386/x-86 doesn't have its > > own "gpio" sources. > > > > Any help is greatly appreciated. > > Thanks in advance. > > > > Lakshmana > > > > this is for 2.6.25: > > http://www.gossamer-threads.com/lists/linux/kernel/878036 > > and this is for 2.6.24: > > > http://fixunix.com/kernel/335692-patch-2-6-24-pci_ids-patch-intel-ich10-deviceids.html > > perhaps u reused these changes for 2.6.23? > > > -- > Regards, > > Peter Teoh >
