On Thu, Oct 14, 2010 at 4:10 PM, Nicolas Luna <luna...@gmail.com> wrote: > Victor, > What should I check? You mean the file system /dev/ttyS.. is not correct? > Regards, > Nicolas
Do not top post :) > > On Thu, Oct 14, 2010 at 4:53 PM, Victor Rodriguez <vm.ro...@gmail.com> > wrote: >> >> On Thu, Oct 14, 2010 at 3:41 PM, Nicolas Luna <luna...@gmail.com> wrote: >> > Hi, >> > I'm trying to communication with UART1 on OMAP-L138. At the moment, I >> > can >> > write message to the serial port but I cannot read some. I got the error >> > 11: >> > Resource temporarily unavailable. >> > To activate the UART1, I commented one line (see below) in >> > board-da850-evm.c. I wonder what is "too much work in irq53", is it has >> > anything to do with my problem? Is it a know bug to not be able to read >> > from >> > UART1 under Davinci? >> > /* >> > * shut down uart 0 and 1; they are not used on the board and >> > * accessing them causes endless "too much work in irq53" messages >> > * with arago fs >> > */ >> > //__raw_writel(0, IO_ADDRESS(DA8XX_UART1_BASE) + 0x30); >> > __raw_writel(0, IO_ADDRESS(DA8XX_UART0_BASE) + 0x30); >> >> >> Check with latest file system from angstrom I had the same problem >> with the initial support fro Hawkboard omapl 138 Check this commit https://mail.sasken.com/OWA/redir.aspx?C=ded1d3bc21834b138e93aa6e04f85155&URL=http%3a%2f%2fgit.kernel.org%2f%3fp%3dlinux%2fkernel%2fgit%2fkhilman%2flinux-davinci.git%3ba%3dcommitdiff%3bh%3d6c18c91b3a6db6169998b54df12c9d53e74999f3 This patch adds initial support for the Hawkboard-L138 system It is under the machine name "omapl138_hawkboard". This system is based on the da850 davinci CPU architecture. Information on these system may be found at http://www.hawkboard.org. Basic support for the UART console is included in this patch. It's tested with latest Angstrom File Systems like ramdisk from http://alturl.com/imb45. Some old file systems used to open all the Serial Ports but in OMAP l138 the uart 1 is multiplexed and generate the spurious interrupt Try with latest Argo File Systems Regards Victor Rodriguez >> Regards >> >> Victor Rodriguez >> >> > Thanks for support. >> > Regards, >> > Nicolas >> > >> > >> > >> > _______________________________________________ >> > Davinci-linux-open-source mailing list >> > Davinci-linux-open-source@linux.davincidsp.com >> > http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source >> > >> > > > _______________________________________________ Davinci-linux-open-source mailing list Davinci-linux-open-source@linux.davincidsp.com http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
