You have to map 0xB0000 - 0xC0000 for that. Egbert.
Rishabh Kumar Goel writes: > ---------- Forwarded Message ---------- > > Subject: 69030 driver > Date: Thursday 11 Sep 2003 4:21 pm > From: Rishabh Kumar Goel <[EMAIL PROTECTED]> > To: [EMAIL PROTECTED] > > i m trying to write a MDA driver for C&T's 69030 chip. The PCI card is memory > mapped. starting from 0x0800000 with the memory size requirement of 16MB. > > How to access the Character Buffer of MDA which lies in the lower address > map of 0xB000-0xB7FF ? > I m able to read and write to the registers. > > I tried writing the a word of data(0xaa55) at 0x0800a0000 but on reading it > back i got 0xFFFF. > > What is this problem? am i reading the memory properly..... > Please help. > > > -- > Regards, > Rishabh Kumar Goel > Associate Software Engineer > SoCrates Software India Pvt. Ltd. > Bangalore > > ------------------------------------------------------- > > -- > Regards, > Rishabh Kumar Goel > Associate Software Engineer > SoCrates Software India Pvt. Ltd. > Bangalore > > Scanned by SecureSynergy VirusScreen Service. > For more information log on to : http://www.securesynergyonline.com or > http://www.securesynergy.com > _______________________________________________ > Devel mailing list > [EMAIL PROTECTED] > http://XFree86.Org/mailman/listinfo/devel _______________________________________________ Devel mailing list [EMAIL PROTECTED] http://XFree86.Org/mailman/listinfo/devel