Messages in this thread |  | | Date | Fri, 25 Aug 2000 16:15:34 -0700 | From | Jun Sun <> | Subject | voodoo3 2000pci hangs with Linux framebuffer driver ... |
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> Subject: voodoo3 2000pci hangs with Linux framebuffer driver ... > Date: Fri, 25 Aug 2000 16:05:38 -0700 > From: Jun Sun <jsun@mvista.com> > To: linux-kernel@vger.rutgers.edu > Newsgroups: 3dfx.products.voodoo3 > > I bought a V3 2000PCI card and plug it into an embedded MIPS board. I > enabled the framebuffer driver for voodoo3. The driver hangs during > initializtion stage (tdfxfb_init()). > > bashee_make_room() is where cpu is doing an infinite loop. The STATUS > register value is 0x0c200000. It is the first long word in the > prefetchable (2nd) PCI memory block requested by the card. > > Does anybody know what bashee_make_room() is doing? what is wrong > here? What steps are missing? Note there is not vga bios on this > board. > > Also, where can I find the spec for V3 2kpci card? > > Thanks. > > Jun > > tdfxfb_init() > { > .... > /* disable block writes for SDRAM (why?) */ > miscinit1 = tdfx_inl(MISCINIT1); > miscinit1 |= sgram_p ? 0 : MISCINIT1_2DBLOCK_DIS; > miscinit1 |= MISCINIT1_CLUT_INV; > > banshee_make_room(1); > tdfx_outl(MISCINIT1, miscinit1); > > return lfbsize; > } > > static inline void banshee_make_room(int size) { > while((tdfx_inl(STATUS) & 0x1f) < size); > } - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
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