diff --git a/drivers/char/agp/agp.h b/drivers/char/agp/agp.h
index 870f12c..1204909 100644
--- a/drivers/char/agp/agp.h
+++ b/drivers/char/agp/agp.h
@@ -178,86 +178,6 @@ struct agp_bridge_data {
 #define PGE_EMPTY(b, p)	(!(p) || (p) == (unsigned long) (b)->scratch_page)
 
 
-/* Intel registers */
-#define INTEL_APSIZE	0xb4
-#define INTEL_ATTBASE	0xb8
-#define INTEL_AGPCTRL	0xb0
-#define INTEL_NBXCFG	0x50
-#define INTEL_ERRSTS	0x91
-
-/* Intel i830 registers */
-#define I830_GMCH_CTRL			0x52
-#define I830_GMCH_ENABLED		0x4
-#define I830_GMCH_MEM_MASK		0x1
-#define I830_GMCH_MEM_64M		0x1
-#define I830_GMCH_MEM_128M		0
-#define I830_GMCH_GMS_MASK		0x70
-#define I830_GMCH_GMS_DISABLED		0x00
-#define I830_GMCH_GMS_LOCAL		0x10
-#define I830_GMCH_GMS_STOLEN_512	0x20
-#define I830_GMCH_GMS_STOLEN_1024	0x30
-#define I830_GMCH_GMS_STOLEN_8192	0x40
-#define I830_RDRAM_CHANNEL_TYPE		0x03010
-#define I830_RDRAM_ND(x)		(((x) & 0x20) >> 5)
-#define I830_RDRAM_DDT(x)		(((x) & 0x18) >> 3)
-
-/* This one is for I830MP w. an external graphic card */
-#define INTEL_I830_ERRSTS	0x92
-
-/* Intel 855GM/852GM registers */
-#define I855_GMCH_GMS_MASK		0xF0
-#define I855_GMCH_GMS_STOLEN_0M		0x0
-#define I855_GMCH_GMS_STOLEN_1M		(0x1 << 4)
-#define I855_GMCH_GMS_STOLEN_4M		(0x2 << 4)
-#define I855_GMCH_GMS_STOLEN_8M		(0x3 << 4)
-#define I855_GMCH_GMS_STOLEN_16M	(0x4 << 4)
-#define I855_GMCH_GMS_STOLEN_32M	(0x5 << 4)
-#define I85X_CAPID			0x44
-#define I85X_VARIANT_MASK		0x7
-#define I85X_VARIANT_SHIFT		5
-#define I855_GME			0x0
-#define I855_GM				0x4
-#define I852_GME			0x2
-#define I852_GM				0x5
-
-/* Intel i845 registers */
-#define INTEL_I845_AGPM		0x51
-#define INTEL_I845_ERRSTS	0xc8
-
-/* Intel i860 registers */
-#define INTEL_I860_MCHCFG	0x50
-#define INTEL_I860_ERRSTS	0xc8
-
-/* Intel i810 registers */
-#define I810_GMADDR		0x10
-#define I810_MMADDR		0x14
-#define I810_PTE_BASE		0x10000
-#define I810_PTE_MAIN_UNCACHED	0x00000000
-#define I810_PTE_LOCAL		0x00000002
-#define I810_PTE_VALID		0x00000001
-#define I830_PTE_SYSTEM_CACHED  0x00000006
-#define I810_SMRAM_MISCC	0x70
-#define I810_GFX_MEM_WIN_SIZE	0x00010000
-#define I810_GFX_MEM_WIN_32M	0x00010000
-#define I810_GMS		0x000000c0
-#define I810_GMS_DISABLE	0x00000000
-#define I810_PGETBL_CTL		0x2020
-#define I810_PGETBL_ENABLED	0x00000001
-#define I965_PGETBL_SIZE_MASK	0x0000000e
-#define I965_PGETBL_SIZE_512KB	(0 << 1)
-#define I965_PGETBL_SIZE_256KB	(1 << 1)
-#define I965_PGETBL_SIZE_128KB	(2 << 1)
-#define I965_PGETBL_SIZE_1MB	(3 << 1)
-#define I965_PGETBL_SIZE_2MB	(4 << 1)
-#define I965_PGETBL_SIZE_1_5MB	(5 << 1)
-#define G33_PGETBL_SIZE_MASK    (3 << 8)
-#define G33_PGETBL_SIZE_1M      (1 << 8)
-#define G33_PGETBL_SIZE_2M      (2 << 8)
-
-#define I810_DRAM_CTL		0x3000
-#define I810_DRAM_ROW_0		0x00000001
-#define I810_DRAM_ROW_0_SDRAM	0x00000001
-
 struct agp_device_ids {
 	unsigned short device_id; /* first, to make table easier to read */
 	enum chipset_type chipset;
diff --git a/drivers/char/agp/efficeon-agp.c b/drivers/char/agp/efficeon-agp.c
index 793f39e..aa109cb 100644
--- a/drivers/char/agp/efficeon-agp.c
+++ b/drivers/char/agp/efficeon-agp.c
@@ -28,6 +28,7 @@
 #include <linux/page-flags.h>
 #include <linux/mm.h>
 #include "agp.h"
+#include "intel-agp.h"
 
 /*
  * The real differences to the generic AGP code is
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index a34fc9f..154bb92 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -10,6 +10,7 @@
 #include <linux/agp_backend.h>
 #include <asm/smp.h>
 #include "agp.h"
+#include "intel-agp.h"
 
 int intel_agp_enabled;
 EXPORT_SYMBOL(intel_agp_enabled);
@@ -24,164 +25,9 @@ EXPORT_SYMBOL(intel_agp_enabled);
 #define USE_PCI_DMA_API 1
 #endif
 
-#define PCI_DEVICE_ID_INTEL_E7221_HB	0x2588
-#define PCI_DEVICE_ID_INTEL_E7221_IG	0x258a
-#define PCI_DEVICE_ID_INTEL_82946GZ_HB      0x2970
-#define PCI_DEVICE_ID_INTEL_82946GZ_IG      0x2972
-#define PCI_DEVICE_ID_INTEL_82G35_HB     0x2980
-#define PCI_DEVICE_ID_INTEL_82G35_IG     0x2982
-#define PCI_DEVICE_ID_INTEL_82965Q_HB       0x2990
-#define PCI_DEVICE_ID_INTEL_82965Q_IG       0x2992
-#define PCI_DEVICE_ID_INTEL_82965G_HB       0x29A0
-#define PCI_DEVICE_ID_INTEL_82965G_IG       0x29A2
-#define PCI_DEVICE_ID_INTEL_82965GM_HB      0x2A00
-#define PCI_DEVICE_ID_INTEL_82965GM_IG      0x2A02
-#define PCI_DEVICE_ID_INTEL_82965GME_HB     0x2A10
-#define PCI_DEVICE_ID_INTEL_82965GME_IG     0x2A12
-#define PCI_DEVICE_ID_INTEL_82945GME_HB     0x27AC
-#define PCI_DEVICE_ID_INTEL_82945GME_IG     0x27AE
-#define PCI_DEVICE_ID_INTEL_PINEVIEW_M_HB        0xA010
-#define PCI_DEVICE_ID_INTEL_PINEVIEW_M_IG        0xA011
-#define PCI_DEVICE_ID_INTEL_PINEVIEW_HB         0xA000
-#define PCI_DEVICE_ID_INTEL_PINEVIEW_IG         0xA001
-#define PCI_DEVICE_ID_INTEL_G33_HB          0x29C0
-#define PCI_DEVICE_ID_INTEL_G33_IG          0x29C2
-#define PCI_DEVICE_ID_INTEL_Q35_HB          0x29B0
-#define PCI_DEVICE_ID_INTEL_Q35_IG          0x29B2
-#define PCI_DEVICE_ID_INTEL_Q33_HB          0x29D0
-#define PCI_DEVICE_ID_INTEL_Q33_IG          0x29D2
-#define PCI_DEVICE_ID_INTEL_B43_HB          0x2E40
-#define PCI_DEVICE_ID_INTEL_B43_IG          0x2E42
-#define PCI_DEVICE_ID_INTEL_GM45_HB         0x2A40
-#define PCI_DEVICE_ID_INTEL_GM45_IG         0x2A42
-#define PCI_DEVICE_ID_INTEL_EAGLELAKE_HB        0x2E00
-#define PCI_DEVICE_ID_INTEL_EAGLELAKE_IG        0x2E02
-#define PCI_DEVICE_ID_INTEL_Q45_HB          0x2E10
-#define PCI_DEVICE_ID_INTEL_Q45_IG          0x2E12
-#define PCI_DEVICE_ID_INTEL_G45_HB          0x2E20
-#define PCI_DEVICE_ID_INTEL_G45_IG          0x2E22
-#define PCI_DEVICE_ID_INTEL_G41_HB          0x2E30
-#define PCI_DEVICE_ID_INTEL_G41_IG          0x2E32
-#define PCI_DEVICE_ID_INTEL_IRONLAKE_D_HB	    0x0040
-#define PCI_DEVICE_ID_INTEL_IRONLAKE_D_IG	    0x0042
-#define PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB	    0x0044
-#define PCI_DEVICE_ID_INTEL_IRONLAKE_MA_HB	    0x0062
-#define PCI_DEVICE_ID_INTEL_IRONLAKE_MC2_HB    0x006a
-#define PCI_DEVICE_ID_INTEL_IRONLAKE_M_IG	    0x0046
-#define PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB  0x0100
-#define PCI_DEVICE_ID_INTEL_SANDYBRIDGE_IG  0x0102
-#define PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB  0x0104
-#define PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_IG  0x0106
-
-/* cover 915 and 945 variants */
-#define IS_I915 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_E7221_HB || \
-		 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915G_HB || \
-		 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915GM_HB || \
-		 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945G_HB || \
-		 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945GM_HB || \
-		 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945GME_HB)
-
-#define IS_I965 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82946GZ_HB || \
-		 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82G35_HB || \
-		 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965Q_HB || \
-		 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965G_HB || \
-		 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965GM_HB || \
-		 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965GME_HB)
-
-#define IS_G33 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G33_HB || \
-		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q35_HB || \
-		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q33_HB || \
-		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_PINEVIEW_M_HB || \
-		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_PINEVIEW_HB)
-
-#define IS_PINEVIEW (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_PINEVIEW_M_HB || \
-		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_PINEVIEW_HB)
-
-#define IS_SNB (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB || \
-		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB)
-
-#define IS_G4X (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_EAGLELAKE_HB || \
-		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q45_HB || \
-		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G45_HB || \
-		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_GM45_HB || \
-		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G41_HB || \
-		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_B43_HB || \
-		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IRONLAKE_D_HB || \
-		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB || \
-		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IRONLAKE_MA_HB || \
-		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IRONLAKE_MC2_HB || \
-		IS_SNB)
-
 extern int agp_memory_reserved;
 
 
-/* Intel 815 register */
-#define INTEL_815_APCONT	0x51
-#define INTEL_815_ATTBASE_MASK	~0x1FFFFFFF
-
-/* Intel i820 registers */
-#define INTEL_I820_RDCR		0x51
-#define INTEL_I820_ERRSTS	0xc8
-
-/* Intel i840 registers */
-#define INTEL_I840_MCHCFG	0x50
-#define INTEL_I840_ERRSTS	0xc8
-
-/* Intel i850 registers */
-#define INTEL_I850_MCHCFG	0x50
-#define INTEL_I850_ERRSTS	0xc8
-
-/* intel 915G registers */
-#define I915_GMADDR	0x18
-#define I915_MMADDR	0x10
-#define I915_PTEADDR	0x1C
-#define I915_GMCH_GMS_STOLEN_48M	(0x6 << 4)
-#define I915_GMCH_GMS_STOLEN_64M	(0x7 << 4)
-#define G33_GMCH_GMS_STOLEN_128M	(0x8 << 4)
-#define G33_GMCH_GMS_STOLEN_256M	(0x9 << 4)
-#define INTEL_GMCH_GMS_STOLEN_96M	(0xa << 4)
-#define INTEL_GMCH_GMS_STOLEN_160M	(0xb << 4)
-#define INTEL_GMCH_GMS_STOLEN_224M	(0xc << 4)
-#define INTEL_GMCH_GMS_STOLEN_352M	(0xd << 4)
-
-#define I915_IFPADDR    0x60
-
-/* Intel 965G registers */
-#define I965_MSAC 0x62
-#define I965_IFPADDR    0x70
-
-/* Intel 7505 registers */
-#define INTEL_I7505_APSIZE	0x74
-#define INTEL_I7505_NCAPID	0x60
-#define INTEL_I7505_NISTAT	0x6c
-#define INTEL_I7505_ATTBASE	0x78
-#define INTEL_I7505_ERRSTS	0x42
-#define INTEL_I7505_AGPCTRL	0x70
-#define INTEL_I7505_MCHCFG	0x50
-
-#define SNB_GMCH_CTRL	0x50
-#define SNB_GMCH_GMS_STOLEN_MASK	0xF8
-#define SNB_GMCH_GMS_STOLEN_32M		(1 << 3)
-#define SNB_GMCH_GMS_STOLEN_64M		(2 << 3)
-#define SNB_GMCH_GMS_STOLEN_96M		(3 << 3)
-#define SNB_GMCH_GMS_STOLEN_128M	(4 << 3)
-#define SNB_GMCH_GMS_STOLEN_160M	(5 << 3)
-#define SNB_GMCH_GMS_STOLEN_192M	(6 << 3)
-#define SNB_GMCH_GMS_STOLEN_224M	(7 << 3)
-#define SNB_GMCH_GMS_STOLEN_256M	(8 << 3)
-#define SNB_GMCH_GMS_STOLEN_288M	(9 << 3)
-#define SNB_GMCH_GMS_STOLEN_320M	(0xa << 3)
-#define SNB_GMCH_GMS_STOLEN_352M	(0xb << 3)
-#define SNB_GMCH_GMS_STOLEN_384M	(0xc << 3)
-#define SNB_GMCH_GMS_STOLEN_416M	(0xd << 3)
-#define SNB_GMCH_GMS_STOLEN_448M	(0xe << 3)
-#define SNB_GMCH_GMS_STOLEN_480M	(0xf << 3)
-#define SNB_GMCH_GMS_STOLEN_512M	(0x10 << 3)
-#define SNB_GTT_SIZE_0M			(0 << 8)
-#define SNB_GTT_SIZE_1M			(1 << 8)
-#define SNB_GTT_SIZE_2M			(2 << 8)
-#define SNB_GTT_SIZE_MASK		(3 << 8)
-
 static const struct aper_size_info_fixed intel_i810_sizes[] =
 {
 	{64, 16384, 4},
diff --git a/drivers/char/agp/intel-agp.h b/drivers/char/agp/intel-agp.h
new file mode 100644
index 0000000..2547465
--- /dev/null
+++ b/drivers/char/agp/intel-agp.h
@@ -0,0 +1,239 @@
+/*
+ * Common Intel AGPGART and GTT definitions.
+ */
+
+/* Intel registers */
+#define INTEL_APSIZE	0xb4
+#define INTEL_ATTBASE	0xb8
+#define INTEL_AGPCTRL	0xb0
+#define INTEL_NBXCFG	0x50
+#define INTEL_ERRSTS	0x91
+
+/* Intel i830 registers */
+#define I830_GMCH_CTRL			0x52
+#define I830_GMCH_ENABLED		0x4
+#define I830_GMCH_MEM_MASK		0x1
+#define I830_GMCH_MEM_64M		0x1
+#define I830_GMCH_MEM_128M		0
+#define I830_GMCH_GMS_MASK		0x70
+#define I830_GMCH_GMS_DISABLED		0x00
+#define I830_GMCH_GMS_LOCAL		0x10
+#define I830_GMCH_GMS_STOLEN_512	0x20
+#define I830_GMCH_GMS_STOLEN_1024	0x30
+#define I830_GMCH_GMS_STOLEN_8192	0x40
+#define I830_RDRAM_CHANNEL_TYPE		0x03010
+#define I830_RDRAM_ND(x)		(((x) & 0x20) >> 5)
+#define I830_RDRAM_DDT(x)		(((x) & 0x18) >> 3)
+
+/* This one is for I830MP w. an external graphic card */
+#define INTEL_I830_ERRSTS	0x92
+
+/* Intel 855GM/852GM registers */
+#define I855_GMCH_GMS_MASK		0xF0
+#define I855_GMCH_GMS_STOLEN_0M		0x0
+#define I855_GMCH_GMS_STOLEN_1M		(0x1 << 4)
+#define I855_GMCH_GMS_STOLEN_4M		(0x2 << 4)
+#define I855_GMCH_GMS_STOLEN_8M		(0x3 << 4)
+#define I855_GMCH_GMS_STOLEN_16M	(0x4 << 4)
+#define I855_GMCH_GMS_STOLEN_32M	(0x5 << 4)
+#define I85X_CAPID			0x44
+#define I85X_VARIANT_MASK		0x7
+#define I85X_VARIANT_SHIFT		5
+#define I855_GME			0x0
+#define I855_GM				0x4
+#define I852_GME			0x2
+#define I852_GM				0x5
+
+/* Intel i845 registers */
+#define INTEL_I845_AGPM		0x51
+#define INTEL_I845_ERRSTS	0xc8
+
+/* Intel i860 registers */
+#define INTEL_I860_MCHCFG	0x50
+#define INTEL_I860_ERRSTS	0xc8
+
+/* Intel i810 registers */
+#define I810_GMADDR		0x10
+#define I810_MMADDR		0x14
+#define I810_PTE_BASE		0x10000
+#define I810_PTE_MAIN_UNCACHED	0x00000000
+#define I810_PTE_LOCAL		0x00000002
+#define I810_PTE_VALID		0x00000001
+#define I830_PTE_SYSTEM_CACHED  0x00000006
+#define I810_SMRAM_MISCC	0x70
+#define I810_GFX_MEM_WIN_SIZE	0x00010000
+#define I810_GFX_MEM_WIN_32M	0x00010000
+#define I810_GMS		0x000000c0
+#define I810_GMS_DISABLE	0x00000000
+#define I810_PGETBL_CTL		0x2020
+#define I810_PGETBL_ENABLED	0x00000001
+#define I965_PGETBL_SIZE_MASK	0x0000000e
+#define I965_PGETBL_SIZE_512KB	(0 << 1)
+#define I965_PGETBL_SIZE_256KB	(1 << 1)
+#define I965_PGETBL_SIZE_128KB	(2 << 1)
+#define I965_PGETBL_SIZE_1MB	(3 << 1)
+#define I965_PGETBL_SIZE_2MB	(4 << 1)
+#define I965_PGETBL_SIZE_1_5MB	(5 << 1)
+#define G33_PGETBL_SIZE_MASK    (3 << 8)
+#define G33_PGETBL_SIZE_1M      (1 << 8)
+#define G33_PGETBL_SIZE_2M      (2 << 8)
+
+#define I810_DRAM_CTL		0x3000
+#define I810_DRAM_ROW_0		0x00000001
+#define I810_DRAM_ROW_0_SDRAM	0x00000001
+
+/* Intel 815 register */
+#define INTEL_815_APCONT	0x51
+#define INTEL_815_ATTBASE_MASK	~0x1FFFFFFF
+
+/* Intel i820 registers */
+#define INTEL_I820_RDCR		0x51
+#define INTEL_I820_ERRSTS	0xc8
+
+/* Intel i840 registers */
+#define INTEL_I840_MCHCFG	0x50
+#define INTEL_I840_ERRSTS	0xc8
+
+/* Intel i850 registers */
+#define INTEL_I850_MCHCFG	0x50
+#define INTEL_I850_ERRSTS	0xc8
+
+/* intel 915G registers */
+#define I915_GMADDR	0x18
+#define I915_MMADDR	0x10
+#define I915_PTEADDR	0x1C
+#define I915_GMCH_GMS_STOLEN_48M	(0x6 << 4)
+#define I915_GMCH_GMS_STOLEN_64M	(0x7 << 4)
+#define G33_GMCH_GMS_STOLEN_128M	(0x8 << 4)
+#define G33_GMCH_GMS_STOLEN_256M	(0x9 << 4)
+#define INTEL_GMCH_GMS_STOLEN_96M	(0xa << 4)
+#define INTEL_GMCH_GMS_STOLEN_160M	(0xb << 4)
+#define INTEL_GMCH_GMS_STOLEN_224M	(0xc << 4)
+#define INTEL_GMCH_GMS_STOLEN_352M	(0xd << 4)
+
+#define I915_IFPADDR    0x60
+
+/* Intel 965G registers */
+#define I965_MSAC 0x62
+#define I965_IFPADDR    0x70
+
+/* Intel 7505 registers */
+#define INTEL_I7505_APSIZE	0x74
+#define INTEL_I7505_NCAPID	0x60
+#define INTEL_I7505_NISTAT	0x6c
+#define INTEL_I7505_ATTBASE	0x78
+#define INTEL_I7505_ERRSTS	0x42
+#define INTEL_I7505_AGPCTRL	0x70
+#define INTEL_I7505_MCHCFG	0x50
+
+#define SNB_GMCH_CTRL	0x50
+#define SNB_GMCH_GMS_STOLEN_MASK	0xF8
+#define SNB_GMCH_GMS_STOLEN_32M		(1 << 3)
+#define SNB_GMCH_GMS_STOLEN_64M		(2 << 3)
+#define SNB_GMCH_GMS_STOLEN_96M		(3 << 3)
+#define SNB_GMCH_GMS_STOLEN_128M	(4 << 3)
+#define SNB_GMCH_GMS_STOLEN_160M	(5 << 3)
+#define SNB_GMCH_GMS_STOLEN_192M	(6 << 3)
+#define SNB_GMCH_GMS_STOLEN_224M	(7 << 3)
+#define SNB_GMCH_GMS_STOLEN_256M	(8 << 3)
+#define SNB_GMCH_GMS_STOLEN_288M	(9 << 3)
+#define SNB_GMCH_GMS_STOLEN_320M	(0xa << 3)
+#define SNB_GMCH_GMS_STOLEN_352M	(0xb << 3)
+#define SNB_GMCH_GMS_STOLEN_384M	(0xc << 3)
+#define SNB_GMCH_GMS_STOLEN_416M	(0xd << 3)
+#define SNB_GMCH_GMS_STOLEN_448M	(0xe << 3)
+#define SNB_GMCH_GMS_STOLEN_480M	(0xf << 3)
+#define SNB_GMCH_GMS_STOLEN_512M	(0x10 << 3)
+#define SNB_GTT_SIZE_0M			(0 << 8)
+#define SNB_GTT_SIZE_1M			(1 << 8)
+#define SNB_GTT_SIZE_2M			(2 << 8)
+#define SNB_GTT_SIZE_MASK		(3 << 8)
+
+/* pci devices ids */
+#define PCI_DEVICE_ID_INTEL_E7221_HB	0x2588
+#define PCI_DEVICE_ID_INTEL_E7221_IG	0x258a
+#define PCI_DEVICE_ID_INTEL_82946GZ_HB      0x2970
+#define PCI_DEVICE_ID_INTEL_82946GZ_IG      0x2972
+#define PCI_DEVICE_ID_INTEL_82G35_HB     0x2980
+#define PCI_DEVICE_ID_INTEL_82G35_IG     0x2982
+#define PCI_DEVICE_ID_INTEL_82965Q_HB       0x2990
+#define PCI_DEVICE_ID_INTEL_82965Q_IG       0x2992
+#define PCI_DEVICE_ID_INTEL_82965G_HB       0x29A0
+#define PCI_DEVICE_ID_INTEL_82965G_IG       0x29A2
+#define PCI_DEVICE_ID_INTEL_82965GM_HB      0x2A00
+#define PCI_DEVICE_ID_INTEL_82965GM_IG      0x2A02
+#define PCI_DEVICE_ID_INTEL_82965GME_HB     0x2A10
+#define PCI_DEVICE_ID_INTEL_82965GME_IG     0x2A12
+#define PCI_DEVICE_ID_INTEL_82945GME_HB     0x27AC
+#define PCI_DEVICE_ID_INTEL_82945GME_IG     0x27AE
+#define PCI_DEVICE_ID_INTEL_PINEVIEW_M_HB        0xA010
+#define PCI_DEVICE_ID_INTEL_PINEVIEW_M_IG        0xA011
+#define PCI_DEVICE_ID_INTEL_PINEVIEW_HB         0xA000
+#define PCI_DEVICE_ID_INTEL_PINEVIEW_IG         0xA001
+#define PCI_DEVICE_ID_INTEL_G33_HB          0x29C0
+#define PCI_DEVICE_ID_INTEL_G33_IG          0x29C2
+#define PCI_DEVICE_ID_INTEL_Q35_HB          0x29B0
+#define PCI_DEVICE_ID_INTEL_Q35_IG          0x29B2
+#define PCI_DEVICE_ID_INTEL_Q33_HB          0x29D0
+#define PCI_DEVICE_ID_INTEL_Q33_IG          0x29D2
+#define PCI_DEVICE_ID_INTEL_B43_HB          0x2E40
+#define PCI_DEVICE_ID_INTEL_B43_IG          0x2E42
+#define PCI_DEVICE_ID_INTEL_GM45_HB         0x2A40
+#define PCI_DEVICE_ID_INTEL_GM45_IG         0x2A42
+#define PCI_DEVICE_ID_INTEL_EAGLELAKE_HB        0x2E00
+#define PCI_DEVICE_ID_INTEL_EAGLELAKE_IG        0x2E02
+#define PCI_DEVICE_ID_INTEL_Q45_HB          0x2E10
+#define PCI_DEVICE_ID_INTEL_Q45_IG          0x2E12
+#define PCI_DEVICE_ID_INTEL_G45_HB          0x2E20
+#define PCI_DEVICE_ID_INTEL_G45_IG          0x2E22
+#define PCI_DEVICE_ID_INTEL_G41_HB          0x2E30
+#define PCI_DEVICE_ID_INTEL_G41_IG          0x2E32
+#define PCI_DEVICE_ID_INTEL_IRONLAKE_D_HB	    0x0040
+#define PCI_DEVICE_ID_INTEL_IRONLAKE_D_IG	    0x0042
+#define PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB	    0x0044
+#define PCI_DEVICE_ID_INTEL_IRONLAKE_MA_HB	    0x0062
+#define PCI_DEVICE_ID_INTEL_IRONLAKE_MC2_HB    0x006a
+#define PCI_DEVICE_ID_INTEL_IRONLAKE_M_IG	    0x0046
+#define PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB  0x0100
+#define PCI_DEVICE_ID_INTEL_SANDYBRIDGE_IG  0x0102
+#define PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB  0x0104
+#define PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_IG  0x0106
+
+/* cover 915 and 945 variants */
+#define IS_I915 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_E7221_HB || \
+		 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915G_HB || \
+		 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915GM_HB || \
+		 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945G_HB || \
+		 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945GM_HB || \
+		 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945GME_HB)
+
+#define IS_I965 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82946GZ_HB || \
+		 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82G35_HB || \
+		 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965Q_HB || \
+		 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965G_HB || \
+		 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965GM_HB || \
+		 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965GME_HB)
+
+#define IS_G33 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G33_HB || \
+		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q35_HB || \
+		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q33_HB || \
+		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_PINEVIEW_M_HB || \
+		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_PINEVIEW_HB)
+
+#define IS_PINEVIEW (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_PINEVIEW_M_HB || \
+		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_PINEVIEW_HB)
+
+#define IS_SNB (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB || \
+		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB)
+
+#define IS_G4X (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_EAGLELAKE_HB || \
+		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q45_HB || \
+		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G45_HB || \
+		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_GM45_HB || \
+		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G41_HB || \
+		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_B43_HB || \
+		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IRONLAKE_D_HB || \
+		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB || \
+		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IRONLAKE_MA_HB || \
+		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IRONLAKE_MC2_HB || \
+		IS_SNB)
