diff --git a/linux-core/radeon_gem.c b/linux-core/radeon_gem.c
index 8338f8f5..7cdcf47d 100644
--- a/linux-core/radeon_gem.c
+++ b/linux-core/radeon_gem.c
@@ -979,10 +979,16 @@ void radeon_init_memory_map(struct drm_device *dev)
 			RADEON_WRITE(AVIVO_HDP_FB_LOCATION, dev_priv->mc_fb_location);
 	}
 
-	dev_priv->fb_location = (radeon_read_fb_location(dev_priv) & 0xffff) << 16;
-	dev_priv->fb_size =
-		((radeon_read_fb_location(dev_priv) & 0xffff0000u) + 0x10000)
-		- dev_priv->fb_location;
+	if (dev_priv->chip_family >= CHIP_R600) {
+		dev_priv->fb_location = (radeon_read_fb_location(dev_priv) & 0xffffff) << 24;
+		dev_priv->fb_size = ((radeon_read_fb_location(dev_priv) & 0xff000000u) + 0x1000000)
+			- dev_priv->fb_location;
+	} else {
+		dev_priv->fb_location = (radeon_read_fb_location(dev_priv) & 0xffff) << 16;
+		dev_priv->fb_size =
+			((radeon_read_fb_location(dev_priv) & 0xffff0000u) + 0x10000)
+			- dev_priv->fb_location;
+	}
 
 }
 
@@ -1009,6 +1015,11 @@ int radeon_gem_mm_init(struct drm_device *dev)
 		       0);
 
 
+	if (dev_priv->chip_family > CHIP_R600) {
+		dev_priv->mm_enabled = true;
+		return 0;
+	}
+
 	dev_priv->mm.gart_size = (32 * 1024 * 1024);
 	dev_priv->mm.gart_start = 0;
 	ret = radeon_gart_init(dev);
diff --git a/shared-core/radeon_cp.c b/shared-core/radeon_cp.c
index b934d3bc..ffe066fc 100644
--- a/shared-core/radeon_cp.c
+++ b/shared-core/radeon_cp.c
@@ -101,6 +101,10 @@ u32 radeon_read_fb_location(drm_radeon_private_t *dev_priv)
 		return R500_READ_MCIND(dev_priv, RV515_MC_FB_LOCATION);
 	else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690)
 		return RS690_READ_MCIND(dev_priv, RS690_MC_FB_LOCATION);
+	else if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770)
+		return RADEON_READ(R700_MC_VM_FB_LOCATION);
+	else if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
+		return RADEON_READ(R600_MC_VM_FB_LOCATION);
 	else if ((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_RV515)
 		return R500_READ_MCIND(dev_priv, R520_MC_FB_LOCATION);
 	else
@@ -110,7 +114,8 @@ u32 radeon_read_fb_location(drm_radeon_private_t *dev_priv)
 void radeon_read_agp_location(drm_radeon_private_t *dev_priv, u32 *agp_lo, u32 *agp_hi)
 {
 	if (dev_priv->chip_family == CHIP_RV770) {
-
+		*agp_lo = RADEON_READ(R600_MC_VM_AGP_BOT);
+		*agp_hi = RADEON_READ(R600_MC_VM_AGP_TOP);
 	} else if (dev_priv->chip_family == CHIP_R600) {
 		*agp_lo = RADEON_READ(R600_MC_VM_AGP_BOT);
 		*agp_hi = RADEON_READ(R600_MC_VM_AGP_TOP);
@@ -139,6 +144,10 @@ void radeon_write_fb_location(drm_radeon_private_t *dev_priv, u32 fb_loc)
 		R500_WRITE_MCIND(RV515_MC_FB_LOCATION, fb_loc);
 	else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690)
 		RS690_WRITE_MCIND(RS690_MC_FB_LOCATION, fb_loc);
+	else if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770)
+		RADEON_WRITE(R700_MC_VM_FB_LOCATION, fb_loc);
+	else if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
+		RADEON_WRITE(R600_MC_VM_FB_LOCATION, fb_loc);
 	else if ((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_RV515)
 		R500_WRITE_MCIND(R520_MC_FB_LOCATION, fb_loc);
 	else
@@ -151,7 +160,10 @@ static void radeon_write_agp_location(drm_radeon_private_t *dev_priv, u32 agp_lo
 		R500_WRITE_MCIND(RV515_MC_AGP_LOCATION, agp_loc);
 	else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690)
 		RS690_WRITE_MCIND(RS690_MC_AGP_LOCATION, agp_loc);
-	else if ((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_RV515)
+	else if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) {
+		RADEON_WRITE(R600_MC_VM_AGP_BOT, agp_loc);
+		RADEON_WRITE(R600_MC_VM_AGP_TOP, agp_loc_hi);
+	} else if ((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_RV515)
 		R500_WRITE_MCIND(R520_MC_AGP_LOCATION, agp_loc);
 	else
 		RADEON_WRITE(RADEON_MC_AGP_LOCATION, agp_loc);
@@ -2357,6 +2369,9 @@ int radeon_modeset_cp_init(struct drm_device *dev)
 	/* Start with assuming that writeback doesn't work */
 	dev_priv->writeback_works = 0;
 
+	if (dev_priv->chip_family > CHIP_R600)
+		return;
+
 	dev_priv->usec_timeout = RADEON_DEFAULT_CP_TIMEOUT;
 	dev_priv->ring.size = RADEON_DEFAULT_RING_SIZE;
 	dev_priv->cp_mode = RADEON_CSQ_PRIBM_INDBM;