Re: [microblaze-uclinux] Newbie on an Avnet V5LX50 board

[Michal Simek <monstr@xxxxxxxxx>]

Hi Rick,

here is the line from inittab for latest svn repo.
ttyUL0:vt100:/bin/agetty 9600 ttyUL0

you use older version there should be written
ttyS0:vt100:/bin/agetty 9600 ttyS0

From my experience, baudrate doesn't matter.

Your next choice is added command line console=ttyS0,9600 or
console=/dev/ttyS0,9600. You can pass it from U-BOOT or in your case if you use
xmd for loading.
make menuconfig
go to processor type and features -> boot option -> default kernel command line
(CONFIG_CMDLINE)and force default kernel command string (CONFIG_CMDLINE_FORCE).

Regards,
Michal



Rick Hunnicutt wrote:
> Thank you.  So, I have it enabled. I also enabled the heartbeat as Michal suggested and it blinks away so as John said, the kernel seems to be running. I have tried several options with the inittab file with the agetty line (ttyS0, /dev/ttyS0, different baud rates, ::respawn, etc), all to no avail. Any other ideas?
> 
> 
> I've also enabled the cache now and xmd shows it enabled when the bit file is loaded but the bogomips line is still the same.... What is a normal reading for this if the cache is enabled properly? I also tried the romfs but made no difference (besides the file being much larger...).
> 
> Thanks all very much!
> 
> Rick Hunnicutt
> 
> 
> From: owner-microblaze-uclinux@xxxxxxxxxxxxxx [mailto:owner-microblaze-uclinux@xxxxxxxxxxxxxx] On Behalf Of Hubert Bahr
> Sent: Thursday, October 16, 2008 1:15 PM
> To: microblaze-uclinux@xxxxxxxxxxxxxx
> Subject: Re: [microblaze-uclinux] Newbie on an Avnet V5LX50 board
> 
> You have the suggested option  selected.
> 
> --- Non-8250 serial port support
> <*> Xilinx uartlite serial port support
>  [*]   Support for console on Xilinx uartlite serial port
> 
> 
> Rick Hunnicutt wrote:
> Thank you John.
> 
> Under device drivers -> char devices -> serial devices, I only have:
> 
> < > 8250/16550 and compatible serial support
> --- Non-8250 serial port support
> <*> Xilinx uartlite serial port support
>  [*]   Support for console on Xilinx uartlite serial port
> 
> How do I get the option you speak of?
> 
> Thanks much!
> Rick Hunnicutt
> ________________________________________
> From: owner-microblaze-uclinux@xxxxxxxxxxxxxx [owner-microblaze-uclinux@xxxxxxxxxxxxxx] On Behalf Of John Williams [jwilliams@xxxxxxxxxxxxxx]
> Sent: Thursday, October 16, 2008 3:32 AM
> To: microblaze-uclinux@xxxxxxxxxxxxxx
> Subject: Re: [microblaze-uclinux] Newbie on an Avnet V5LX50 board
> 
> Hi Rick,
> 
> Rick Hunnicutt wrote:
> 
> Hello all:
> 
> I'm a newbie and I'm trying to bring up the aforementioned board. I've disabled Ethernet and flash, just using XDM to load the image.bin to the SDRAM location. It loads and starts to boot but stops with no clues as to why, at least not that I can glean. Any help as to my next steps would be appreciated.
> 
> 
> [snip]
> 
> 
> 
> uclinux[mtd]: set ROMfs to be root filesystem index=0
> VFS: Mounted root (cramfs filesystem) readonly.
> Freeing unused kernel memory: 76k freed
> 
> 
> In kernel config, device drivers -> char devices -> serial devices,
> ensure that "Console on UARTLITE" is selected.  It looks like the kernel
> is booting just fine but there's just no console output.
> 
> Cheers,
> 
> John
> 
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