From: Kristoffer E. <kri...@gm...> - 2008-11-11 17:50:25
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On Mon, 10 Nov 2008 20:54:11 -0500 James Kimble <jk...@on...> wrote: > > I've been working on porting the s1d13xxxfb driver from the latest > kernel from Freescale for Coldfire to work with the S1D13A04 chip. I was > able to get things working to the point that I do get a little TUX logo > up on the screen at boot up. Seemed like a good start but none of my > user space applications will work. I can open the /dev/fb0 device and > the data in the info structure is correct but if I try to write to any > register or area in the frame buffer (or write to the device at all) I > get a seg fault. Please drop me a mail with patch attached and I'll look at it, you must have hit something nasty. > > I had an earlier driver working with the 2.6.10 kernel with the same > hardware. The same application space program should work ( I would > think...) but I get the seg fault on the first write to fb0. I tried a > different memory location (ox4400 0000 to 0x7400 0000) for the CS > associated with the video chip, no difference. Permissions for > /dev/fb0 are "rw". No other process using fb0. This is really weird. > > Any help or suggestions MUCH appreciated. > > ------------------------------------------------------------------------- > This SF.Net email is sponsored by the Moblin Your Move Developer's challenge > Build the coolest Linux based applications with Moblin SDK & win great prizes > Grand prize is a trip for two to an Open Source event anywhere in the world > http://moblin-contest.org/redirect.php?banner_id=100&url=/ > _______________________________________________ > Linux-fbdev-devel mailing list > Lin...@li... > https://lists.sourceforge.net/lists/listinfo/linux-fbdev-devel -- Kristoffer Ericson <kri...@gm...> |