On Thu, 26 Nov 2009 09:45 +0100, "Florian Fainelli" <florian@xxxxxxxxxxx> wrote: > Hi Andrew. > > Le jeudi 26 novembre 2009 01:24:13, myuboot@xxxxxxxxxxx a écrit : > > On Tue, 17 Nov 2009 20:03 -0500, "David VomLehn" <dvomlehn@xxxxxxxxx> > > > > wrote: > > > On Tue, Nov 17, 2009 at 06:58:35PM -0600, myuboot@xxxxxxxxxxx wrote: > > > > On Wed, 18 Nov 2009 01:39 +0100, "Florian Fainelli" > > > > > > > > <florian@xxxxxxxxxxx> wrote: > > > > > ------------------------------- > > > > > > > > Actually I already got this patch for the board in little endian mode, > > > > and it is still there for the big endian mode. And this is one of the > > > > place I have been wondering if that needs to be changed for big endian. > > > > > > It sounds like you've done a good job getting the bootloader and kernel > > > to work, so this may be a silly suggestion, but are you sure your root > > > filesystem and busybox are little-endian? It would be an easy mistake to > > > make... > > > > > > > thanks. Andrew > > > > > > David VL > > > > I have some clue on this issue now. It seems there is some problem with > > the serial console operating in interrupt mode. If the 8250 is in > > polling mode(set the IRQ for the 8250 serial port to 0), the output on > > the console is fine. But with 8250 in interrupt mode, 8250 serial driver > > does not receive any interrupt in serial8250_interrupt(). The same board > > works just fine when operating in little endian mode with interruption. > > I probably need to change something in IRQ initialization for big > > endian. I will post my solution when I can get it to work. In the > > meantime, any suggestion will be welcome. > > Do you need that patch to work in little-endian: > https://dev.openwrt.org/browser/trunk/target/linux/ar7/patches-2.6.30/500- > serial_kludge.patch ? If so, you are likely to need it in big-endian too > since > it works around a silicon issue. > -- > Best regards, Florian Fainelli > Email: florian@xxxxxxxxxxx > Web: http://openwrt.org > IRC: [florian] on irc.freenode.net > ------------------------------- I did not need the patch for little endian. For the UART type, I used PORT_16550 instead of AR7 and it worked just fine. Thanks for the suggestion though. Best regards, Andrew
