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-rw-r--r--sys/dev/agp/agpreg.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/sys/dev/agp/agpreg.h b/sys/dev/agp/agpreg.h
index 13df29e..a5373e4 100644
--- a/sys/dev/agp/agpreg.h
+++ b/sys/dev/agp/agpreg.h
@@ -87,13 +87,20 @@
#define AGP_INTEL_I8XX_ERRSTS 0xc8
/*
- * Config offsets for VIA AGP chipsets.
+ * Config offsets for VIA AGP 2.x chipsets.
*/
#define AGP_VIA_GARTCTRL 0x80
#define AGP_VIA_APSIZE 0x84
#define AGP_VIA_ATTBASE 0x88
/*
+ * Config offsets for VIA AGP 3.0 chipsets.
+ */
+#define AGP3_VIA_GARTCTRL 0x90
+#define AGP3_VIA_APSIZE 0x94
+#define AGP3_VIA_ATTBASE 0x98
+
+/*
* Config offsets for SiS AGP chipsets.
*/
#define AGP_SIS_ATTBASE 0x90
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