On Friday, November 07, 2014 at 12:54:14 AM, Dinh Nguyen wrote:
On 11/06/2014 05:40 PM, Anatolij Gustschin wrote:
Hi Dinh,
On Thu, 6 Nov 2014 17:03:48 -0600
Dinh Nguyen dinguyen@opensource.altera.com wrote:
Hi Marek,
Have you been able to successfully boot Linux using the mainline uboot? I cannot seem to be able to boot linux on the C5 SocDK.
It starts to boot linux, but then reboots after a bit back into u-boot. So I commented out #define CONFIG_HW_WATCHDOG in include/configs/socfpga_cyclone5.h. That helped so that I can look that __log_buf. I was able to trace it down that it was not able to get a tty console, because serial8250_console_setup() is failing at:
if (!port->iobase && !port->membase)
For reasons I haven't figured out yet, both port->iobase and port->membase are NULL.
So no debug console, but Linux is able to boot all the way to the point of tyring to mount a FS.
Perhaps some kind of memory setup issue? I've seen a thread where Chin-Liang was able to boot, but I don't know if he did any other tricks.
Just wondering if I'm missing a patch or something?
the issue could be the wrong console= argument on the kernel command line. In the current socfpga_config5.h I see
#define CONFIG_BOOTARGS "console=ttyS0" __stringify(CONFIG_BAUDRATE)
A comma is missing after "console=ttyS0"
It should be
#define CONFIG_BOOTARGS "console=ttyS0," __stringify(CONFIG_BAUDRATE)
Could you please test it? Thanks.
Yep, that was it! Thanks alot for seeing that.
Thanks for spotting this, I'll pick the patch for Anatolij.
Best regards, Marek Vasut