> In message <3799.194.3.133.184.1148489640.squirrel at webmail.enib.fr> you > wrote: >> >> I have a MPC8260 processor card with a Coral-P evaluation board (rev >> 4.0). >> My system do not have keyboard nor mouse (i use the serial console). >> >> I use linux kernel 2.4.25 & 2.6.9. > > We have instructions on our web site; did you read these?
Yes I did. I use the same jumper configuration (for board rev 4.0) as the pictures on your web site. >> I'm trying to get the framebuffer driver to work. During the boot the >> driver loads fine but the monitor remains blank (no video signal). If i >> try to `cat /dev/urandom > /dev/fb/0` nothing happens. > > Are you using devfs? Don't! Use /dev/fb0 Without devfs, I have /dev/fb0. During boot sequence, the driver loads fine (built-in, not module) : ... MB86290: fb_init called. MB86290: initialize called. MB86290: GDC base phys address: 0x8c000000 MB86290: GDC base virt address: 0xc5000000 Console: switching to frame buffer device MB86290: dmamem: GFP success. MB86290: fb_init finished ... In /proc I have : # more /proc/fb 0 MB86290 This seems ok to me but I don't have any video signal. My screen remains blank. >> I compiled an Xserver (Release 6.9), and the x11 drivers for the coralp. >> When I start X, it says that it can not open tty0 (indeed it doesn't >> exists). > > Well, you got an error message (tty0 cannot be opened), you verified > that it is valid (tty0 does not exist), so fix the problem... > Without devfs, I have ttys : # ls -al tty* crw-rw-rw- 1 root root 5, 0 May 29 2006 tty crw--w--w- 1 root 5 4, 0 May 29 2006 tty0 crw-rw---- 1 root 5 4, 1 May 29 2006 tty1 crw-rw---- 1 root 5 4, 2 May 29 2006 tty2 crw-rw---- 1 root 14 4, 64 May 29 2006 ttyS0 crw-rw---- 1 root 14 4, 65 May 29 2006 ttyS1 crw-rw---- 1 root 14 4, 66 May 29 2006 ttyS2 crw-rw---- 1 root 14 4, 67 May 29 2006 ttyS3 crw-rw-rw- 1 root 5 3, 0 May 29 2006 ttyp0 crw-rw-rw- 1 root 5 3, 1 May 29 2006 ttyp1 crw-rw-rw- 1 root 5 3, 2 May 29 2006 ttyp2 crw-rw-rw- 1 root 5 3, 3 May 29 2006 ttyp3 crw-rw-rw- 1 root 5 3, 4 May 29 2006 ttyp4 crw-rw-rw- 1 root 5 3, 5 May 29 2006 ttyp5 crw-rw-rw- 1 root 5 3, 6 May 29 2006 ttyp6 crw-rw-rw- 1 root 5 3, 7 May 29 2006 ttyp7 crw-rw-rw- 1 root 5 3, 8 May 29 2006 ttyp8 crw-rw-rw- 1 root 5 3, 9 May 29 2006 ttyp9 Major and minor codes are ok but when I start X : ... Fatal server error: xf86OpenConsole: Cannot open /dev/tty0 (No such file or directory) ... I have to start X from a serial console. There are no keyboard or mouse connectors on my board. This is maybe the source of my problems ? Thanks for your help.
