On Mon, 16 Mar 2009 21:36:28 -0700 "Mark A. Greer" <[email protected]> wrote:
> On Mon, Mar 16, 2009 at 03:20:54PM -0500, Hugo Villeneuve wrote: > > Hi, > > I'm trying to use UART2 ont he DM355, but here is the error message > > I have when the kernel boots: > > > > ... > > Serial: 8250/16550 driver, 2 ports, IRQ sharing disabled > > serial8250.0: ttyS0 at MMIO 0x1c20000 (irq = 40) is a 16550A > > console [ttyS0] enabled > > serial8250.0: ttyS1 at MMIO 0x1c20400 (irq = 41) is a 16550A > > serial8250 serial8250.0: unable to register port at index 2 (IO0 > > MEM1e06000 IRQ14): -28 ... > > > > UART0 and UART1 seem to be fine. > > > > What could be the problem? > > I've run into this as well... > > Go into 'make menuconfig' (or whatever) and go into > 'Device Drivers/Character devices/Serial drivers' and set both > 'Maximum number of 8250/16550 serial ports' and > 'Number of 8250/16550 serial ports to register at runtime' to 3. > > That may not be sufficient to fix your problem but it is necessary. That did the trick, UART2 is working fine now :) Thank-you, Hugo. _______________________________________________ Davinci-linux-open-source mailing list [email protected] http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
