diff --git a/sys/dev/drm/drm_pciids.h b/sys/dev/drm/drm_pciids.h
index a27785fb166..65360770c6e 100644
--- a/sys/dev/drm/drm_pciids.h
+++ b/sys/dev/drm/drm_pciids.h
@@ -242,6 +242,10 @@
 	{0x1002, 0x7835, CHIP_RS300|RADEON_IS_IGP|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP, "ATI Radeon RS350 Mobility IGP"}, \
 	{0x1002, 0x791e, CHIP_RS690|RADEON_IS_IGP|RADEON_NEW_MEMMAP|RADEON_IS_IGPGART, "ATI Radeon RS690 X1250 IGP"}, \
 	{0x1002, 0x791f, CHIP_RS690|RADEON_IS_IGP|RADEON_NEW_MEMMAP|RADEON_IS_IGPGART, "ATI Radeon RS690 X1270 IGP"}, \
+	{0x1002, 0x796c, CHIP_RS740|RADEON_IS_IGP|RADEON_NEW_MEMMAP|RADEON_IS_IGPGART, "ATI Radeon RS740 HD2100 IGP"}, \
+	{0x1002, 0x796d, CHIP_RS740|RADEON_IS_IGP|RADEON_NEW_MEMMAP|RADEON_IS_IGPGART, "ATI Radeon RS740 HD2100 IGP"}, \
+	{0x1002, 0x796e, CHIP_RS740|RADEON_IS_IGP|RADEON_NEW_MEMMAP|RADEON_IS_IGPGART, "ATI Radeon RS740 HD2100 IGP"}, \
+	{0x1002, 0x796f, CHIP_RS740|RADEON_IS_IGP|RADEON_NEW_MEMMAP|RADEON_IS_IGPGART, "ATI Radeon RS740 HD2100 IGP"}, \
 	{0, 0, 0, NULL}
 
 #define r128_PCI_IDS \
diff --git a/sys/dev/drm/radeon_cp.c b/sys/dev/drm/radeon_cp.c
index e1570c94ddc..cee924b82e4 100644
--- a/sys/dev/drm/radeon_cp.c
+++ b/sys/dev/drm/radeon_cp.c
@@ -73,7 +73,8 @@ static u32 RS690_READ_MCIND(drm_radeon_private_t *dev_priv, int addr)
 
 static u32 IGP_READ_MCIND(drm_radeon_private_t *dev_priv, int addr)
 {
-        if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690)
+	if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) ||
+	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740))
 	    return RS690_READ_MCIND(dev_priv, addr);
 	else
 	    return RS480_READ_MCIND(dev_priv, addr);
@@ -84,7 +85,8 @@ u32 radeon_read_fb_location(drm_radeon_private_t *dev_priv)
 
 	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV515)
 		return R500_READ_MCIND(dev_priv, RV515_MC_FB_LOCATION);
-	else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690)
+	else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) ||
+		 ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740))
 		return RS690_READ_MCIND(dev_priv, RS690_MC_FB_LOCATION);
 	else if ((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_RV515)
 		return R500_READ_MCIND(dev_priv, R520_MC_FB_LOCATION);
@@ -96,7 +98,8 @@ static void radeon_write_fb_location(drm_radeon_private_t *dev_priv, u32 fb_loc)
 {
 	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV515)
 		R500_WRITE_MCIND(RV515_MC_FB_LOCATION, fb_loc);
-	else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690)
+	else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) ||
+		 ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740))
 		RS690_WRITE_MCIND(RS690_MC_FB_LOCATION, fb_loc);
 	else if ((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_RV515)
 		R500_WRITE_MCIND(R520_MC_FB_LOCATION, fb_loc);
@@ -108,7 +111,8 @@ static void radeon_write_agp_location(drm_radeon_private_t *dev_priv, u32 agp_lo
 {
 	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV515)
 		R500_WRITE_MCIND(RV515_MC_AGP_LOCATION, agp_loc);
-	else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690)
+	else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) ||
+		 ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740))
 		RS690_WRITE_MCIND(RS690_MC_AGP_LOCATION, agp_loc);
 	else if ((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_RV515)
 		R500_WRITE_MCIND(R520_MC_AGP_LOCATION, agp_loc);
@@ -124,7 +128,8 @@ static void radeon_write_agp_base(drm_radeon_private_t *dev_priv, u64 agp_base)
 	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV515) {
 		R500_WRITE_MCIND(RV515_MC_AGP_BASE, agp_base_lo);
 		R500_WRITE_MCIND(RV515_MC_AGP_BASE_2, agp_base_hi);
-	} else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) {
+	} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) ||
+		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740)) {
 		RS690_WRITE_MCIND(RS690_MC_AGP_BASE, agp_base_lo);
 		RS690_WRITE_MCIND(RS690_MC_AGP_BASE_2, agp_base_hi);
 	} else if ((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_RV515) {
@@ -369,8 +374,9 @@ static void radeon_cp_load_microcode(drm_radeon_private_t * dev_priv)
 			RADEON_WRITE(RADEON_CP_ME_RAM_DATAL,
 				     R420_cp_microcode[i][0]);
 		}
-	} else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) {
-		DRM_INFO("Loading RS690 Microcode\n");
+	} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) ||
+		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740)) {
+		DRM_INFO("Loading RS690/RS740 Microcode\n");
 		for (i = 0; i < 256; i++) {
 			RADEON_WRITE(RADEON_CP_ME_RAM_DATAH,
 				     RS690_cp_microcode[i][1]);
@@ -721,7 +727,8 @@ static void radeon_set_igpgart(drm_radeon_private_t * dev_priv, int on)
 
 		temp = IGP_READ_MCIND(dev_priv, RS480_MC_MISC_CNTL);
 
-		if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690)
+		if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) ||
+		    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740))
 			IGP_WRITE_MCIND(RS480_MC_MISC_CNTL, (RS480_GART_INDEX_REG_EN |
 							     RS690_BLOCK_GFX_D3_EN));
 		else
@@ -814,6 +821,7 @@ static void radeon_set_pcigart(drm_radeon_private_t * dev_priv, int on)
 	u32 tmp;
 
 	if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) ||
+	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740) ||
 	    (dev_priv->flags & RADEON_IS_IGPGART)) {
 		radeon_set_igpgart(dev_priv, on);
 		return;
diff --git a/sys/dev/drm/radeon_drv.h b/sys/dev/drm/radeon_drv.h
index 7d40a6f9c44..1f04e46fe28 100644
--- a/sys/dev/drm/radeon_drv.h
+++ b/sys/dev/drm/radeon_drv.h
@@ -130,6 +130,7 @@ enum radeon_family {
 	CHIP_RS400,
 	CHIP_RS480,
 	CHIP_RS690,
+	CHIP_RS740,
 	CHIP_RV515,
 	CHIP_R520,
 	CHIP_RV530,
@@ -1235,7 +1236,8 @@ do {								\
 
 #define IGP_WRITE_MCIND( addr, val )				\
 do {									\
-        if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690)       \
+    if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) ||	\
+	((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740))		\
 	        RS690_WRITE_MCIND( addr, val );                         \
 	else                                                            \
 	        RS480_WRITE_MCIND( addr, val );                         \