paging for fb

[netwatch.git] / video / tnt2.c

diff --git a/video/tnt2.c b/video/tnt2.c
index 5ab5f0219b25faa43e3f79e032206a0f5a530b6f..32e646a407989ecd17ed35739de95d5f0502d0d4 100644 (file)
--- a/video/tnt2.c
+++ b/video/tnt2.c
@@ -3,6 +3,7 @@
 #include <pci.h>
 #include <output.h>
 #include <fb.h>
+#include <paging.h>
 
 static void tnt2_getvmode(void *priv);
 
@@ -39,14 +40,21 @@ static void tnt2_getvmode(void *priv)
 
 static int tnt2_probe(struct pci_dev *pci, void *data)
 {
+       unsigned int p;
+
        if (pci->bars[1].type != PCI_BAR_MEMORY32)
        {
                output("TNT2 BAR1 is not memory32?");
                return 0;
        }
-       tnt2_fb.fbaddr = (void *)pci->bars[1].addr;
+       
+       /* Map 32M of memory. */
+       for (p = 0; p < 32; p += 4)
+               addmap_4m(0x40000000 + p*1024*1024, pci->bars[1].addr + p*1024*1024);
+       tnt2_fb.fbaddr = (void *)0x40000000;
+       
        fb = &tnt2_fb;
-       outputf("Found TNT2 with FB at %08x", tnt2_fb.fbaddr);
+       outputf("Found TNT2 with FB at %08x, mapped to %08x", pci->bars[1].addr, tnt2_fb.fbaddr);
        return 1;
 }