[coreboot-gerrit] Change in coreboot[master]: nb/intel/gma: Implement and use common VBT implementation

Patrick Rudolph (Code Review) gerrit at coreboot.org
Mon Apr 3 18:33:00 CEST 2017


Patrick Rudolph has uploaded a new change for review. ( https://review.coreboot.org/19084 )

Change subject: nb/intel/gma: Implement and use common VBT implementation
......................................................................

nb/intel/gma: Implement and use common VBT implementation

Implement a common ACPI IGD OpRegion function.
Remove all northbridge duplicates.
Retrieve IGD OpRegion base address through a function.
Split ASLS and SCIS into two functions.

Tested on GM45 (Lenovo T500).

Change-Id: Ib1c60a317ecfdd3189558b53018258eceb0f4955
Signed-off-by: Patrick Rudolph <siro at das-labor.org>
---
M src/drivers/intel/gma/i915.h
M src/drivers/intel/gma/vbt.c
M src/northbridge/intel/fsp_sandybridge/acpi.c
M src/northbridge/intel/fsp_sandybridge/northbridge.h
M src/northbridge/intel/gm45/gma.c
M src/northbridge/intel/haswell/acpi.c
M src/northbridge/intel/haswell/gma.c
M src/northbridge/intel/haswell/haswell.h
M src/northbridge/intel/i945/acpi.c
M src/northbridge/intel/i945/gma.c
M src/northbridge/intel/nehalem/acpi.c
M src/northbridge/intel/nehalem/gma.c
M src/northbridge/intel/nehalem/nehalem.h
M src/northbridge/intel/pineview/gma.c
M src/northbridge/intel/sandybridge/acpi.c
M src/northbridge/intel/sandybridge/sandybridge.h
M src/northbridge/intel/x4x/acpi.c
M src/northbridge/intel/x4x/gma.c
M src/southbridge/intel/bd82x6x/lpc.c
M src/southbridge/intel/fsp_bd82x6x/lpc.c
M src/southbridge/intel/fsp_i89xx/lpc.c
M src/southbridge/intel/i82801ix/lpc.c
M src/southbridge/intel/ibexpeak/lpc.c
23 files changed, 212 insertions(+), 590 deletions(-)


  git pull ssh://review.coreboot.org:29418/coreboot refs/changes/84/19084/1

diff --git a/src/drivers/intel/gma/i915.h b/src/drivers/intel/gma/i915.h
index d9bb940..4482eb5 100644
--- a/src/drivers/intel/gma/i915.h
+++ b/src/drivers/intel/gma/i915.h
@@ -298,7 +298,6 @@
 int i915lightup(unsigned int physbase, unsigned int mmio,
 		unsigned int gfx, unsigned int init_fb);
 int panel_lightup(struct intel_dp *dp, unsigned int init_fb);
-void *igd_make_opregion(void);
 
 /* display.c */
 void compute_display_params(struct intel_dp *dp);
@@ -309,6 +308,11 @@
 generate_fake_intel_oprom(const struct i915_gpu_controller_info *conf,
 			  struct device *dev, const char *idstr);
 
+void intel_gma_setup_asls(struct device *igd);
+u32 intel_gma_get_asls(void);
+int intel_gma_init_igd_opregion(struct device *dev);
+void intel_gma_setup_scis(struct device *igd);
+
 /* interface to libgfxinit (gma.adb) */
 void gma_gfxinit(u64 mmio_base, u64 linear_fb, u32 phys_fb, int *success);
 
diff --git a/src/drivers/intel/gma/vbt.c b/src/drivers/intel/gma/vbt.c
index c908eb4..58d63da 100644
--- a/src/drivers/intel/gma/vbt.c
+++ b/src/drivers/intel/gma/vbt.c
@@ -22,9 +22,19 @@
 #include <string.h>
 #include <device/pci.h>
 #include <drivers/intel/gma/opregion.h>
+#include <device/pci_ids.h>
+#include <device/pci_rom.h>
+#include <cbmem.h>
 
 #include "i915.h"
 #include "intel_bios.h"
+
+#define TCO1_STS	0x64
+#define   DMISCI_STS	(1 << 9)
+#define GPE0_STS	0x20
+#define   TCOSCI_STS		(1 << 6)
+#define GPE0_EN		0x2c
+#define   TCOSCI_EN	(1 << 6)
 
 static size_t generate_vbt(const struct i915_gpu_controller_info *const conf,
 			   struct vbt_header *const head,
@@ -105,3 +115,146 @@
 	oh->size = fake_oprom_size;
 	pcir->imagelength = fake_oprom_size;
 }
+
+static void *validate_intel_oprom(u8 *vbios)
+{
+	optionrom_header_t *oprom = (optionrom_header_t *)vbios;
+	optionrom_pcir_t *pcir = (optionrom_pcir_t *)(vbios +
+						oprom->pcir_offset);
+
+	printk(BIOS_DEBUG, "GET_VBIOS: %x %x %x %x %x\n",
+		oprom->signature, pcir->vendor, pcir->classcode[0],
+		pcir->classcode[1], pcir->classcode[2]);
+
+	if ((oprom->signature == OPROM_SIGNATURE) &&
+		(pcir->vendor == PCI_VENDOR_ID_INTEL) &&
+		(pcir->classcode[0] == 0x00) &&
+		(pcir->classcode[1] == 0x00) &&
+		(pcir->classcode[2] == 0x03))
+		return (void *)vbios;
+
+	return NULL;
+}
+
+static int init_opregion_vbt(struct device *dev, igd_opregion_t *opregion)
+{
+	void *vbios = NULL;
+	printk(BIOS_DEBUG, "Init IGD OpRegion.\n");
+
+	if (IS_ENABLED(CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT))
+		vbios = validate_intel_oprom((void *)PCI_VGA_RAM_IMAGE_START);
+	if (!vbios)
+		vbios = validate_intel_oprom((void *)pci_rom_probe(dev));
+
+	printk(BIOS_DEBUG, " ... VBIOS found at %p\n", vbios);
+	optionrom_header_t *oprom = (optionrom_header_t *)vbios;
+	optionrom_vbt_t *vbt = (optionrom_vbt_t *)(vbios +
+						oprom->vbt_offset);
+
+	if (read32(vbt->hdr_signature) != VBT_SIGNATURE) {
+		printk(BIOS_DEBUG, "VBT not found!\n");
+		return 1;
+	}
+
+	memcpy(opregion->header.vbios_version, vbt->coreblock_biosbuild, 4);
+	memcpy(opregion->vbt.gvd1, vbt, vbt->hdr_vbt_size < 7168 ?
+						vbt->hdr_vbt_size : 7168);
+
+	return 0;
+}
+
+/* Initialize IGD OpRegion, called from ACPI code */
+int intel_gma_init_igd_opregion(struct device *dev)
+{
+	igd_opregion_t *opregion;
+
+	opregion = cbmem_add(CBMEM_ID_IGD_OPREGION, sizeof(*opregion));
+	if (!opregion)
+		return 1;
+
+	memset((void *)opregion, 0, sizeof(igd_opregion_t));
+
+	memcpy(&opregion->header.signature, IGD_OPREGION_SIGNATURE,
+		sizeof(opregion->header.signature));
+
+	/* 8kb */
+	opregion->header.size = sizeof(igd_opregion_t) / 1024;
+	opregion->header.version = IGD_OPREGION_VERSION;
+
+	// FIXME We just assume we're mobile for now
+	opregion->header.mailboxes = MAILBOXES_MOBILE;
+
+	// TODO Initialize Mailbox 1
+
+	// TODO Initialize Mailbox 3
+	opregion->mailbox3.bclp = IGD_BACKLIGHT_BRIGHTNESS;
+	opregion->mailbox3.pfit = IGD_FIELD_VALID | IGD_PFIT_STRETCH;
+	opregion->mailbox3.pcft = 0; // should be (IMON << 1) & 0x3e
+	opregion->mailbox3.cblv = IGD_FIELD_VALID | IGD_INITIAL_BRIGHTNESS;
+	opregion->mailbox3.bclm[0] = IGD_WORD_FIELD_VALID + 0x0000;
+	opregion->mailbox3.bclm[1] = IGD_WORD_FIELD_VALID + 0x0a19;
+	opregion->mailbox3.bclm[2] = IGD_WORD_FIELD_VALID + 0x1433;
+	opregion->mailbox3.bclm[3] = IGD_WORD_FIELD_VALID + 0x1e4c;
+	opregion->mailbox3.bclm[4] = IGD_WORD_FIELD_VALID + 0x2866;
+	opregion->mailbox3.bclm[5] = IGD_WORD_FIELD_VALID + 0x327f;
+	opregion->mailbox3.bclm[6] = IGD_WORD_FIELD_VALID + 0x3c99;
+	opregion->mailbox3.bclm[7] = IGD_WORD_FIELD_VALID + 0x46b2;
+	opregion->mailbox3.bclm[8] = IGD_WORD_FIELD_VALID + 0x50cc;
+	opregion->mailbox3.bclm[9] = IGD_WORD_FIELD_VALID + 0x5ae5;
+	opregion->mailbox3.bclm[10] = IGD_WORD_FIELD_VALID + 0x64ff;
+
+	return init_opregion_vbt(dev, opregion);
+}
+
+u32 intel_gma_get_asls(void)
+{
+	void *ptr = cbmem_find(CBMEM_ID_IGD_OPREGION);
+
+	if (ptr)
+		printk(BIOS_DEBUG, "ACPI:    * IGD OpRegion\n");
+
+	return (u32)ptr;
+}
+
+void intel_gma_setup_asls(struct device *igd)
+{
+	igd_opregion_t *opregion;
+	u16 reg16;
+
+	if (!igd->enabled)
+		return;
+
+	opregion = cbmem_find(CBMEM_ID_IGD_OPREGION);
+	if (!opregion)
+		return;
+
+	pci_write_config32(igd, ASLS, (u32)opregion);
+	reg16 = pci_read_config16(igd, SWSCI);
+	reg16 &= ~(1 << 0);
+	reg16 |= (1 << 15);
+	pci_write_config16(igd, SWSCI, reg16);
+}
+
+void intel_gma_setup_scis(struct device *igd)
+{
+	u16 reg16, pmbase;
+
+	if (!igd->enabled)
+		return;
+
+	pmbase = pci_read_config16(dev_find_slot(0, PCI_DEVFN(0x1f, 0)),
+							   0x40) & 0xfffc;
+
+	/* clear dmisci status */
+	reg16 = inw(pmbase + TCO1_STS);
+	reg16 |= DMISCI_STS; // reference code does an &=
+	outw(pmbase + TCO1_STS, reg16);
+
+	/* clear acpi tco status */
+	outl(pmbase + GPE0_STS, TCOSCI_STS);
+
+	/* enable acpi tco scis */
+	reg16 = inw(pmbase + GPE0_EN);
+	reg16 |= TCOSCI_EN;
+	outw(pmbase + GPE0_EN, reg16);
+}
diff --git a/src/northbridge/intel/fsp_sandybridge/acpi.c b/src/northbridge/intel/fsp_sandybridge/acpi.c
index a30cb7a..a621276 100644
--- a/src/northbridge/intel/fsp_sandybridge/acpi.c
+++ b/src/northbridge/intel/fsp_sandybridge/acpi.c
@@ -16,18 +16,11 @@
  */
 
 #include <types.h>
-#include <string.h>
-#include <console/console.h>
-#include <arch/io.h>
 #include <arch/acpi.h>
-#include <device/device.h>
 #include <device/pci.h>
 #include <device/pci_ids.h>
-#include <drivers/intel/gma/i915.h>
 #include <arch/acpigen.h>
 #include "northbridge.h"
-#include <cbmem.h>
-#include <drivers/intel/gma/intel_bios.h>
 
 unsigned long acpi_fill_mcfg(unsigned long current)
 {
@@ -72,138 +65,4 @@
 			pciexbar, 0x0, 0x0, max_buses - 1);
 
 	return current;
-}
-
-static void *get_intel_vbios(void)
-{
-	/* This should probably be looking at CBFS or we should always
-	 * deploy the VBIOS on Intel systems, even if we don't run it
-	 * in coreboot (e.g. SeaBIOS only scenarios).
-	 */
-	u8 *vbios = (u8 *)0xc0000;
-
-	optionrom_header_t *oprom = (optionrom_header_t *)vbios;
-	optionrom_pcir_t *pcir = (optionrom_pcir_t *)(vbios +
-						oprom->pcir_offset);
-
-
-	printk(BIOS_DEBUG, "GET_VBIOS: %x %x %x %x %x\n",
-		oprom->signature, pcir->vendor, pcir->classcode[0],
-		pcir->classcode[1], pcir->classcode[2]);
-
-
-	if ((oprom->signature == OPROM_SIGNATURE) &&
-		(pcir->vendor == PCI_VENDOR_ID_INTEL) &&
-		(pcir->classcode[0] == 0x00) &&
-		(pcir->classcode[1] == 0x00) &&
-		(pcir->classcode[2] == 0x03))
-		return (void *)vbios;
-
-	return NULL;
-}
-
-static int init_opregion_vbt(igd_opregion_t *opregion)
-{
-	void *vbios;
-	vbios = get_intel_vbios();
-	if (!vbios) {
-		printk(BIOS_DEBUG, "VBIOS not found.\n");
-		return 1;
-	}
-
-	printk(BIOS_DEBUG, " ... VBIOS found at %p\n", vbios);
-	optionrom_header_t *oprom = (optionrom_header_t *)vbios;
-	optionrom_vbt_t *vbt = (optionrom_vbt_t *)(vbios +
-						oprom->vbt_offset);
-
-	if (read32(vbt->hdr_signature) != VBT_SIGNATURE) {
-		printk(BIOS_DEBUG, "VBT not found!\n");
-		return 1;
-	}
-
-	memcpy(opregion->header.vbios_version, vbt->coreblock_biosbuild, 4);
-	memcpy(opregion->vbt.gvd1, vbt, vbt->hdr_vbt_size < 7168 ?
-						vbt->hdr_vbt_size : 7168);
-
-	return 0;
-}
-
-
-/* Initialize IGD OpRegion, called from ACPI code */
-int init_igd_opregion(igd_opregion_t *opregion)
-{
-	device_t igd;
-	u16 reg16;
-
-	memset((void *)opregion, 0, sizeof(igd_opregion_t));
-
-	// FIXME if IGD is disabled, we should exit here.
-
-	memcpy(&opregion->header.signature, IGD_OPREGION_SIGNATURE,
-		sizeof(opregion->header.signature));
-
-	/* 8kb */
-	opregion->header.size = sizeof(igd_opregion_t) / 1024;
-	opregion->header.version = IGD_OPREGION_VERSION;
-
-	// FIXME We just assume we're mobile for now
-	opregion->header.mailboxes = MAILBOXES_MOBILE;
-
-	// TODO Initialize Mailbox 1
-
-	// TODO Initialize Mailbox 3
-	opregion->mailbox3.bclp = IGD_BACKLIGHT_BRIGHTNESS;
-	opregion->mailbox3.pfit = IGD_FIELD_VALID | IGD_PFIT_STRETCH;
-	opregion->mailbox3.pcft = 0; // should be (IMON << 1) & 0x3e
-	opregion->mailbox3.cblv = IGD_FIELD_VALID | IGD_INITIAL_BRIGHTNESS;
-	opregion->mailbox3.bclm[0] = IGD_WORD_FIELD_VALID + 0x0000;
-	opregion->mailbox3.bclm[1] = IGD_WORD_FIELD_VALID + 0x0a19;
-	opregion->mailbox3.bclm[2] = IGD_WORD_FIELD_VALID + 0x1433;
-	opregion->mailbox3.bclm[3] = IGD_WORD_FIELD_VALID + 0x1e4c;
-	opregion->mailbox3.bclm[4] = IGD_WORD_FIELD_VALID + 0x2866;
-	opregion->mailbox3.bclm[5] = IGD_WORD_FIELD_VALID + 0x327f;
-	opregion->mailbox3.bclm[6] = IGD_WORD_FIELD_VALID + 0x3c99;
-	opregion->mailbox3.bclm[7] = IGD_WORD_FIELD_VALID + 0x46b2;
-	opregion->mailbox3.bclm[8] = IGD_WORD_FIELD_VALID + 0x50cc;
-	opregion->mailbox3.bclm[9] = IGD_WORD_FIELD_VALID + 0x5ae5;
-	opregion->mailbox3.bclm[10] = IGD_WORD_FIELD_VALID + 0x64ff;
-
-	init_opregion_vbt(opregion);
-
-	/* TODO This needs to happen in S3 resume, too.
-	 * Maybe it should move to the finalize handler
-	 */
-	igd = dev_find_slot(0, PCI_DEVFN(0x2, 0));
-
-	pci_write_config32(igd, ASLS, (u32)opregion);
-	reg16 = pci_read_config16(igd, SWSCI);
-	reg16 &= ~(1 << 0);
-	reg16 |= (1 << 15);
-	pci_write_config16(igd, SWSCI, reg16);
-
-	/* clear dmisci status */
-	reg16 = inw(DEFAULT_PMBASE + TCO1_STS);
-	reg16 |= DMISCI_STS; // reference code does an &=
-	outw(DEFAULT_PMBASE + TCO1_STS, reg16);
-
-	/* clear acpi tco status */
-	outl(DEFAULT_PMBASE + GPE0_STS, TCOSCI_STS);
-
-	/* enable acpi tco scis */
-	reg16 = inw(DEFAULT_PMBASE + GPE0_EN);
-	reg16 |= TCOSCI_EN;
-	outw(DEFAULT_PMBASE + GPE0_EN, reg16);
-
-	return 0;
-}
-
-void *igd_make_opregion(void)
-{
-	igd_opregion_t *opregion;
-
-	printk(BIOS_DEBUG, "ACPI:    * IGD OpRegion\n");
-	opregion = cbmem_add(CBMEM_ID_IGD_OPREGION, sizeof(*opregion));
-	if (opregion)
-		init_igd_opregion(opregion);
-	return opregion;
 }
diff --git a/src/northbridge/intel/fsp_sandybridge/northbridge.h b/src/northbridge/intel/fsp_sandybridge/northbridge.h
index 0be01cc..c0194f2 100644
--- a/src/northbridge/intel/fsp_sandybridge/northbridge.h
+++ b/src/northbridge/intel/fsp_sandybridge/northbridge.h
@@ -215,11 +215,6 @@
 void report_platform_info(void);
 #endif /* !__SMM__ */
 
-#if !defined(__PRE_RAM__)
-#include <drivers/intel/gma/opregion.h>
-int init_igd_opregion(igd_opregion_t *igd_opregion);
-#endif
-
 #endif
 #endif
 #endif /* __NORTHBRIDGE_INTEL_SANDYBRIDGE_SANDYBRIDGE_H__ */
diff --git a/src/northbridge/intel/gm45/gma.c b/src/northbridge/intel/gm45/gma.c
index cbb8451..0d04f33 100644
--- a/src/northbridge/intel/gm45/gma.c
+++ b/src/northbridge/intel/gm45/gma.c
@@ -732,6 +732,14 @@
 		/* Linux relies on VBT for panel info.  */
 		generate_fake_intel_oprom(&conf->gfx, dev, "$VBT CANTIGA");
 	}
+
+	/* Setup VBT for ACPI */
+	if (intel_gma_init_igd_opregion(dev)) {
+		printk(BIOS_ERR, "Failed to setup VBT.\n");
+		return;
+	}
+	intel_gma_setup_asls(dev);
+	intel_gma_setup_scis(dev);
 }
 
 static void gma_set_subsystem(device_t dev, unsigned vendor, unsigned device)
diff --git a/src/northbridge/intel/haswell/acpi.c b/src/northbridge/intel/haswell/acpi.c
index cb430f9..2615115 100644
--- a/src/northbridge/intel/haswell/acpi.c
+++ b/src/northbridge/intel/haswell/acpi.c
@@ -16,18 +16,10 @@
  */
 
 #include <types.h>
-#include <string.h>
-#include <console/console.h>
-#include <arch/io.h>
 #include <arch/acpi.h>
-#include <device/device.h>
 #include <device/pci.h>
-#include <device/pci_ids.h>
 #include "haswell.h"
-#include <cbmem.h>
 #include <arch/acpigen.h>
-#include <cpu/cpu.h>
-#include <drivers/intel/gma/intel_bios.h>
 
 unsigned long acpi_fill_mcfg(unsigned long current)
 {
@@ -70,122 +62,4 @@
 			pciexbar, 0x0, 0x0, max_buses - 1);
 
 	return current;
-}
-
-static void *get_intel_vbios(void)
-{
-	/* This should probably be looking at CBFS or we should always
-	 * deploy the VBIOS on Intel systems, even if we don't run it
-	 * in coreboot (e.g. SeaBIOS only scenarios).
-	 */
-	u8 *vbios = (u8 *)0xc0000;
-
-	optionrom_header_t *oprom = (optionrom_header_t *)vbios;
-	optionrom_pcir_t *pcir = (optionrom_pcir_t *)(vbios +
-						oprom->pcir_offset);
-
-
-	printk(BIOS_DEBUG, "GET_VBIOS: %x %x %x %x %x\n",
-		oprom->signature, pcir->vendor, pcir->classcode[0],
-		pcir->classcode[1], pcir->classcode[2]);
-
-
-	if ((oprom->signature == OPROM_SIGNATURE) &&
-		(pcir->vendor == PCI_VENDOR_ID_INTEL) &&
-		(pcir->classcode[0] == 0x00) &&
-		(pcir->classcode[1] == 0x00) &&
-		(pcir->classcode[2] == 0x03))
-		return (void *)vbios;
-
-	return NULL;
-}
-
-static int init_opregion_vbt(igd_opregion_t *opregion)
-{
-	void *vbios;
-	vbios = get_intel_vbios();
-	if (!vbios) {
-		printk(BIOS_DEBUG, "VBIOS not found.\n");
-		return 1;
-	}
-
-	printk(BIOS_DEBUG, " ... VBIOS found at %p\n", vbios);
-	optionrom_header_t *oprom = (optionrom_header_t *)vbios;
-	optionrom_vbt_t *vbt = (optionrom_vbt_t *)(vbios +
-						oprom->vbt_offset);
-
-	if (read32(vbt->hdr_signature) != VBT_SIGNATURE) {
-		printk(BIOS_DEBUG, "VBT not found!\n");
-		return 1;
-	}
-
-	memcpy(opregion->header.vbios_version, vbt->coreblock_biosbuild, 4);
-	memcpy(opregion->vbt.gvd1, vbt, vbt->hdr_vbt_size < 7168 ?
-						vbt->hdr_vbt_size : 7168);
-
-	return 0;
-}
-
-
-/* Initialize IGD OpRegion, called from ACPI code */
-int init_igd_opregion(igd_opregion_t *opregion)
-{
-	device_t igd;
-	u16 reg16;
-
-	memset((void *)opregion, 0, sizeof(igd_opregion_t));
-
-	// FIXME if IGD is disabled, we should exit here.
-
-	memcpy(&opregion->header.signature, IGD_OPREGION_SIGNATURE,
-		sizeof(opregion->header.signature));
-
-	/* 8kb */
-	opregion->header.size = sizeof(igd_opregion_t) / 1024;
-	opregion->header.version = IGD_OPREGION_VERSION;
-
-	// FIXME We just assume we're mobile for now
-	opregion->header.mailboxes = MAILBOXES_MOBILE;
-
-	// TODO Initialize Mailbox 1
-
-	// TODO Initialize Mailbox 3
-	opregion->mailbox3.bclp = IGD_BACKLIGHT_BRIGHTNESS;
-	opregion->mailbox3.pfit = IGD_FIELD_VALID | IGD_PFIT_STRETCH;
-	opregion->mailbox3.pcft = 0; // should be (IMON << 1) & 0x3e
-	opregion->mailbox3.cblv = IGD_FIELD_VALID | IGD_INITIAL_BRIGHTNESS;
-	opregion->mailbox3.bclm[0] = IGD_WORD_FIELD_VALID + 0x0000;
-	opregion->mailbox3.bclm[1] = IGD_WORD_FIELD_VALID + 0x0a19;
-	opregion->mailbox3.bclm[2] = IGD_WORD_FIELD_VALID + 0x1433;
-	opregion->mailbox3.bclm[3] = IGD_WORD_FIELD_VALID + 0x1e4c;
-	opregion->mailbox3.bclm[4] = IGD_WORD_FIELD_VALID + 0x2866;
-	opregion->mailbox3.bclm[5] = IGD_WORD_FIELD_VALID + 0x327f;
-	opregion->mailbox3.bclm[6] = IGD_WORD_FIELD_VALID + 0x3c99;
-	opregion->mailbox3.bclm[7] = IGD_WORD_FIELD_VALID + 0x46b2;
-	opregion->mailbox3.bclm[8] = IGD_WORD_FIELD_VALID + 0x50cc;
-	opregion->mailbox3.bclm[9] = IGD_WORD_FIELD_VALID + 0x5ae5;
-	opregion->mailbox3.bclm[10] = IGD_WORD_FIELD_VALID + 0x64ff;
-
-	init_opregion_vbt(opregion);
-
-	/* TODO This needs to happen in S3 resume, too.
-	 * Maybe it should move to the finalize handler
-	 */
-	igd = dev_find_slot(0, PCI_DEVFN(0x2, 0));
-
-	pci_write_config32(igd, ASLS, (u32)opregion);
-	reg16 = pci_read_config16(igd, SWSCI);
-	reg16 &= ~(1 << 0);
-	reg16 |= (1 << 15);
-	pci_write_config16(igd, SWSCI, reg16);
-
-	/* clear dmisci status */
-	reg16 = inw(get_pmbase() + TCO1_STS);
-	reg16 |= DMISCI_STS; // reference code does an &=
-	outw(get_pmbase() + TCO1_STS, reg16);
-
-	/* clear and enable ACPI TCO SCI */
-	enable_tco_sci();
-
-	return 0;
 }
diff --git a/src/northbridge/intel/haswell/gma.c b/src/northbridge/intel/haswell/gma.c
index 31e3cb6..6753dba 100644
--- a/src/northbridge/intel/haswell/gma.c
+++ b/src/northbridge/intel/haswell/gma.c
@@ -476,6 +476,14 @@
 
 	/* Post VBIOS init */
 	gma_pm_init_post_vbios(dev);
+
+	/* Setup VBT for ACPI */
+	if (intel_gma_init_igd_opregion(dev)) {
+		printk(BIOS_ERR, "Failed to setup VBT.\n");
+		return;
+	}
+	intel_gma_setup_asls(dev);
+	intel_gma_setup_scis(dev);
 }
 
 static void gma_set_subsystem(device_t dev, unsigned vendor, unsigned device)
diff --git a/src/northbridge/intel/haswell/haswell.h b/src/northbridge/intel/haswell/haswell.h
index f0fe07d..00616af 100644
--- a/src/northbridge/intel/haswell/haswell.h
+++ b/src/northbridge/intel/haswell/haswell.h
@@ -213,11 +213,6 @@
 void report_platform_info(void);
 #endif /* !__SMM__ */
 
-#if !defined(__PRE_RAM__)
-#include <drivers/intel/gma/opregion.h>
-int init_igd_opregion(igd_opregion_t *igd_opregion);
-#endif
-
 #endif
 #endif
 #endif /* __NORTHBRIDGE_INTEL_HASWELL_HASWELL_H__ */
diff --git a/src/northbridge/intel/i945/acpi.c b/src/northbridge/intel/i945/acpi.c
index c1a3d17..79e2d8f 100644
--- a/src/northbridge/intel/i945/acpi.c
+++ b/src/northbridge/intel/i945/acpi.c
@@ -16,13 +16,11 @@
 
 #include <types.h>
 #include <string.h>
-#include <console/console.h>
 #include <arch/acpi.h>
 #include <arch/acpigen.h>
 #include <device/device.h>
 #include <device/pci.h>
 #include <device/pci_ids.h>
-#include <cbmem.h>
 #include <arch/acpigen.h>
 #include <cpu/cpu.h>
 #include "i945.h"
diff --git a/src/northbridge/intel/i945/gma.c b/src/northbridge/intel/i945/gma.c
index 0765767..710827a 100644
--- a/src/northbridge/intel/i945/gma.c
+++ b/src/northbridge/intel/i945/gma.c
@@ -686,6 +686,14 @@
 		/* PCI Init, will run VBIOS */
 		pci_dev_init(dev);
 	}
+
+	/* Setup VBT for ACPI */
+	if (intel_gma_init_igd_opregion(dev)) {
+		printk(BIOS_ERR, "Failed to setup VBT.\n");
+		return;
+	}
+	intel_gma_setup_asls(dev);
+	intel_gma_setup_scis(dev);
 }
 
 /* This doesn't reclaim stolen UMA memory, but IGD could still
diff --git a/src/northbridge/intel/nehalem/acpi.c b/src/northbridge/intel/nehalem/acpi.c
index 1a02e7b..46405ee 100644
--- a/src/northbridge/intel/nehalem/acpi.c
+++ b/src/northbridge/intel/nehalem/acpi.c
@@ -19,18 +19,10 @@
 #define __SIMPLE_DEVICE__
 
 #include <types.h>
-#include <string.h>
-#include <console/console.h>
-#include <arch/io.h>
 #include <arch/acpi.h>
-#include <device/device.h>
 #include <device/pci.h>
 #include <device/pci_ids.h>
-#include <drivers/intel/gma/intel_bios.h>
 #include <arch/acpigen.h>
-#include <cpu/cpu.h>
-#include <drivers/intel/gma/i915.h>
-#include <cbmem.h>
 #include "nehalem.h"
 
 unsigned long acpi_fill_mcfg(unsigned long current)
@@ -75,133 +67,4 @@
 					     pciexbar, 0x0, 0x0, max_buses - 1);
 
 	return current;
-}
-
-static void *get_intel_vbios(void)
-{
-	/* This should probably be looking at CBFS or we should always
-	 * deploy the VBIOS on Intel systems, even if we don't run it
-	 * in coreboot (e.g. SeaBIOS only scenarios).
-	 */
-	u8 *vbios = (u8 *) 0xc0000;
-
-	optionrom_header_t *oprom = (optionrom_header_t *) vbios;
-	optionrom_pcir_t *pcir = (optionrom_pcir_t *) (vbios +
-						       oprom->pcir_offset);
-
-	printk(BIOS_DEBUG, "GET_VBIOS: %x %x %x %x %x\n",
-	       oprom->signature, pcir->vendor, pcir->classcode[0],
-	       pcir->classcode[1], pcir->classcode[2]);
-
-	if ((oprom->signature == OPROM_SIGNATURE) &&
-	    (pcir->vendor == PCI_VENDOR_ID_INTEL) &&
-	    (pcir->classcode[0] == 0x00) &&
-	    (pcir->classcode[1] == 0x00) && (pcir->classcode[2] == 0x03))
-		return (void *)vbios;
-
-	return NULL;
-}
-
-static int init_opregion_vbt(igd_opregion_t * opregion)
-{
-	void *vbios;
-	vbios = get_intel_vbios();
-	if (!vbios) {
-		printk(BIOS_DEBUG, "VBIOS not found.\n");
-		return 1;
-	}
-
-	printk(BIOS_DEBUG, " ... VBIOS found at %p\n", vbios);
-	optionrom_header_t *oprom = (optionrom_header_t *) vbios;
-	optionrom_vbt_t *vbt = (optionrom_vbt_t *) (vbios + oprom->vbt_offset);
-
-	if (read32(vbt->hdr_signature) != VBT_SIGNATURE) {
-		printk(BIOS_DEBUG, "VBT not found!\n");
-		return 1;
-	}
-
-	memcpy(opregion->header.vbios_version, vbt->coreblock_biosbuild, 4);
-	memcpy(opregion->vbt.gvd1, vbt, vbt->hdr_vbt_size < 7168 ?
-	       vbt->hdr_vbt_size : 7168);
-
-	return 0;
-}
-
-/* Initialize IGD OpRegion, called from ACPI code */
-int init_igd_opregion(igd_opregion_t * opregion)
-{
-	pci_devfn_t igd;
-	u16 reg16;
-
-	memset((void *)opregion, 0, sizeof(igd_opregion_t));
-
-	// FIXME if IGD is disabled, we should exit here.
-
-	memcpy(&opregion->header.signature, IGD_OPREGION_SIGNATURE,
-		sizeof(opregion->header.signature));
-
-	/* 8kb */
-	opregion->header.size = sizeof(igd_opregion_t) / 1024;
-	opregion->header.version = IGD_OPREGION_VERSION;
-
-	// FIXME We just assume we're mobile for now
-	opregion->header.mailboxes = MAILBOXES_MOBILE;
-
-	// TODO Initialize Mailbox 1
-
-	// TODO Initialize Mailbox 3
-	opregion->mailbox3.bclp = IGD_BACKLIGHT_BRIGHTNESS;
-	opregion->mailbox3.pfit = IGD_FIELD_VALID | IGD_PFIT_STRETCH;
-	opregion->mailbox3.pcft = 0;	// should be (IMON << 1) & 0x3e
-	opregion->mailbox3.cblv = IGD_FIELD_VALID | IGD_INITIAL_BRIGHTNESS;
-	opregion->mailbox3.bclm[0] = IGD_WORD_FIELD_VALID + 0x0000;
-	opregion->mailbox3.bclm[1] = IGD_WORD_FIELD_VALID + 0x0a19;
-	opregion->mailbox3.bclm[2] = IGD_WORD_FIELD_VALID + 0x1433;
-	opregion->mailbox3.bclm[3] = IGD_WORD_FIELD_VALID + 0x1e4c;
-	opregion->mailbox3.bclm[4] = IGD_WORD_FIELD_VALID + 0x2866;
-	opregion->mailbox3.bclm[5] = IGD_WORD_FIELD_VALID + 0x327f;
-	opregion->mailbox3.bclm[6] = IGD_WORD_FIELD_VALID + 0x3c99;
-	opregion->mailbox3.bclm[7] = IGD_WORD_FIELD_VALID + 0x46b2;
-	opregion->mailbox3.bclm[8] = IGD_WORD_FIELD_VALID + 0x50cc;
-	opregion->mailbox3.bclm[9] = IGD_WORD_FIELD_VALID + 0x5ae5;
-	opregion->mailbox3.bclm[10] = IGD_WORD_FIELD_VALID + 0x64ff;
-
-	init_opregion_vbt(opregion);
-
-	/* TODO This needs to happen in S3 resume, too.
-	 * Maybe it should move to the finalize handler
-	 */
-	igd = PCI_DEV(0, 0x2, 0);
-
-	pci_write_config32(igd, ASLS, (u32) opregion);
-	reg16 = pci_read_config16(igd, SWSCI);
-	reg16 &= ~(1 << 0);
-	reg16 |= (1 << 15);
-	pci_write_config16(igd, SWSCI, reg16);
-
-	/* clear dmisci status */
-	reg16 = inw(DEFAULT_PMBASE + TCO1_STS);
-	reg16 |= DMISCI_STS;	// reference code does an &=
-	outw(DEFAULT_PMBASE + TCO1_STS, reg16);
-
-	/* clear acpi tco status */
-	outl(DEFAULT_PMBASE + GPE0_STS, TCOSCI_STS);
-
-	/* enable acpi tco scis */
-	reg16 = inw(DEFAULT_PMBASE + GPE0_EN);
-	reg16 |= TCOSCI_EN;
-	outw(DEFAULT_PMBASE + GPE0_EN, reg16);
-
-	return 0;
-}
-
-void *igd_make_opregion(void)
-{
-	igd_opregion_t *opregion;
-
-	printk(BIOS_DEBUG, "ACPI:    * IGD OpRegion\n");
-	opregion = cbmem_add(CBMEM_ID_IGD_OPREGION, sizeof(*opregion));
-	if (opregion)
-		init_igd_opregion(opregion);
-	return opregion;
 }
diff --git a/src/northbridge/intel/nehalem/gma.c b/src/northbridge/intel/nehalem/gma.c
index 4e57b0f..1ec2367 100644
--- a/src/northbridge/intel/nehalem/gma.c
+++ b/src/northbridge/intel/nehalem/gma.c
@@ -1038,9 +1038,16 @@
 	generate_fake_intel_oprom(&conf->gfx, dev, "$VBT IRONLAKE-MOBILE");
 #endif
 
-
 	/* Post VBIOS init */
 	gma_pm_init_post_vbios(dev);
+
+	/* Setup VBT for ACPI */
+	if (intel_gma_init_igd_opregion(dev)) {
+		printk(BIOS_ERR, "Failed to setup VBT.\n");
+		return;
+	}
+	intel_gma_setup_asls(dev);
+	intel_gma_setup_scis(dev);
 }
 
 static void gma_set_subsystem(device_t dev, unsigned vendor, unsigned device)
diff --git a/src/northbridge/intel/nehalem/nehalem.h b/src/northbridge/intel/nehalem/nehalem.h
index 5385b8e..a693e12 100644
--- a/src/northbridge/intel/nehalem/nehalem.h
+++ b/src/northbridge/intel/nehalem/nehalem.h
@@ -300,11 +300,6 @@
 void report_platform_info(void);
 #endif /* !__SMM__ */
 
-#if !defined(__PRE_RAM__)
-#include <drivers/intel/gma/opregion.h>
-int init_igd_opregion(igd_opregion_t *igd_opregion);
-#endif
-
 #endif
 #endif
 #endif /* __NORTHBRIDGE_INTEL_NEHALEM_NEHALEM_H__ */
diff --git a/src/northbridge/intel/pineview/gma.c b/src/northbridge/intel/pineview/gma.c
index c92428e..32cb7ca 100644
--- a/src/northbridge/intel/pineview/gma.c
+++ b/src/northbridge/intel/pineview/gma.c
@@ -278,6 +278,14 @@
 		/* Linux relies on VBT for panel info.  */
 		generate_fake_intel_oprom(&conf->gfx, dev, "$VBT PINEVIEW");
 	}
+
+	/* Setup VBT for ACPI */
+	if (intel_gma_init_igd_opregion(dev)) {
+		printk(BIOS_ERR, "Failed to setup VBT.\n");
+		return;
+	}
+	intel_gma_setup_asls(dev);
+	intel_gma_setup_scis(dev);
 }
 
 static void gma_set_subsystem(device_t dev, unsigned vendor, unsigned device)
diff --git a/src/northbridge/intel/sandybridge/acpi.c b/src/northbridge/intel/sandybridge/acpi.c
index e696ac7..586fa32 100644
--- a/src/northbridge/intel/sandybridge/acpi.c
+++ b/src/northbridge/intel/sandybridge/acpi.c
@@ -16,19 +16,12 @@
  */
 
 #include <types.h>
-#include <string.h>
 #include <console/console.h>
-#include <arch/io.h>
 #include <arch/acpi.h>
-#include <device/device.h>
 #include <device/pci.h>
 #include <device/pci_ids.h>
-#include <drivers/intel/gma/i915.h>
 #include <arch/acpigen.h>
 #include "sandybridge.h"
-#include <cbmem.h>
-#include <drivers/intel/gma/intel_bios.h>
-#include <southbridge/intel/bd82x6x/pch.h>
 
 unsigned long acpi_fill_mcfg(unsigned long current)
 {
@@ -73,140 +66,6 @@
 			pciexbar, 0x0, 0x0, max_buses - 1);
 
 	return current;
-}
-
-static void *get_intel_vbios(void)
-{
-	/* This should probably be looking at CBFS or we should always
-	 * deploy the VBIOS on Intel systems, even if we don't run it
-	 * in coreboot (e.g. SeaBIOS only scenarios).
-	 */
-	u8 *vbios = (u8 *)0xc0000;
-
-	optionrom_header_t *oprom = (optionrom_header_t *)vbios;
-	optionrom_pcir_t *pcir = (optionrom_pcir_t *)(vbios +
-						oprom->pcir_offset);
-
-
-	printk(BIOS_DEBUG, "GET_VBIOS: %x %x %x %x %x\n",
-		oprom->signature, pcir->vendor, pcir->classcode[0],
-		pcir->classcode[1], pcir->classcode[2]);
-
-
-	if ((oprom->signature == OPROM_SIGNATURE) &&
-		(pcir->vendor == PCI_VENDOR_ID_INTEL) &&
-		(pcir->classcode[0] == 0x00) &&
-		(pcir->classcode[1] == 0x00) &&
-		(pcir->classcode[2] == 0x03))
-		return (void *)vbios;
-
-	return NULL;
-}
-
-static int init_opregion_vbt(igd_opregion_t *opregion)
-{
-	void *vbios;
-	vbios = get_intel_vbios();
-	if (!vbios) {
-		printk(BIOS_DEBUG, "VBIOS not found.\n");
-		return 1;
-	}
-
-	printk(BIOS_DEBUG, " ... VBIOS found at %p\n", vbios);
-	optionrom_header_t *oprom = (optionrom_header_t *)vbios;
-	optionrom_vbt_t *vbt = (optionrom_vbt_t *)(vbios +
-						oprom->vbt_offset);
-
-	if (read32(vbt->hdr_signature) != VBT_SIGNATURE) {
-		printk(BIOS_DEBUG, "VBT not found!\n");
-		return 1;
-	}
-
-	memcpy(opregion->header.vbios_version, vbt->coreblock_biosbuild, 4);
-	memcpy(opregion->vbt.gvd1, vbt, vbt->hdr_vbt_size < 7168 ?
-						vbt->hdr_vbt_size : 7168);
-
-	return 0;
-}
-
-
-/* Initialize IGD OpRegion, called from ACPI code */
-int init_igd_opregion(igd_opregion_t *opregion)
-{
-	device_t igd;
-	u16 reg16;
-
-	memset((void *)opregion, 0, sizeof(igd_opregion_t));
-
-	// FIXME if IGD is disabled, we should exit here.
-
-	memcpy(&opregion->header.signature, IGD_OPREGION_SIGNATURE,
-		sizeof(opregion->header.signature));
-
-	/* 8kb */
-	opregion->header.size = sizeof(igd_opregion_t) / 1024;
-	opregion->header.version = IGD_OPREGION_VERSION;
-
-	// FIXME We just assume we're mobile for now
-	opregion->header.mailboxes = MAILBOXES_MOBILE;
-
-	// TODO Initialize Mailbox 1
-
-	// TODO Initialize Mailbox 3
-	opregion->mailbox3.bclp = IGD_BACKLIGHT_BRIGHTNESS;
-	opregion->mailbox3.pfit = IGD_FIELD_VALID | IGD_PFIT_STRETCH;
-	opregion->mailbox3.pcft = 0; // should be (IMON << 1) & 0x3e
-	opregion->mailbox3.cblv = IGD_FIELD_VALID | IGD_INITIAL_BRIGHTNESS;
-	opregion->mailbox3.bclm[0] = IGD_WORD_FIELD_VALID + 0x0000;
-	opregion->mailbox3.bclm[1] = IGD_WORD_FIELD_VALID + 0x0a19;
-	opregion->mailbox3.bclm[2] = IGD_WORD_FIELD_VALID + 0x1433;
-	opregion->mailbox3.bclm[3] = IGD_WORD_FIELD_VALID + 0x1e4c;
-	opregion->mailbox3.bclm[4] = IGD_WORD_FIELD_VALID + 0x2866;
-	opregion->mailbox3.bclm[5] = IGD_WORD_FIELD_VALID + 0x327f;
-	opregion->mailbox3.bclm[6] = IGD_WORD_FIELD_VALID + 0x3c99;
-	opregion->mailbox3.bclm[7] = IGD_WORD_FIELD_VALID + 0x46b2;
-	opregion->mailbox3.bclm[8] = IGD_WORD_FIELD_VALID + 0x50cc;
-	opregion->mailbox3.bclm[9] = IGD_WORD_FIELD_VALID + 0x5ae5;
-	opregion->mailbox3.bclm[10] = IGD_WORD_FIELD_VALID + 0x64ff;
-
-	init_opregion_vbt(opregion);
-
-	/* TODO This needs to happen in S3 resume, too.
-	 * Maybe it should move to the finalize handler
-	 */
-	igd = dev_find_slot(0, PCI_DEVFN(0x2, 0));
-
-	pci_write_config32(igd, ASLS, (u32)opregion);
-	reg16 = pci_read_config16(igd, SWSCI);
-	reg16 &= ~(1 << 0);
-	reg16 |= (1 << 15);
-	pci_write_config16(igd, SWSCI, reg16);
-
-	/* clear dmisci status */
-	reg16 = inw(DEFAULT_PMBASE + TCO1_STS);
-	reg16 |= DMISCI_STS; // reference code does an &=
-	outw(DEFAULT_PMBASE + TCO1_STS, reg16);
-
-	/* clear acpi tco status */
-	outl(DEFAULT_PMBASE + GPE0_STS, TCOSCI_STS);
-
-	/* enable acpi tco scis */
-	reg16 = inw(DEFAULT_PMBASE + GPE0_EN);
-	reg16 |= TCOSCI_EN;
-	outw(DEFAULT_PMBASE + GPE0_EN, reg16);
-
-	return 0;
-}
-
-void *igd_make_opregion(void)
-{
-	igd_opregion_t *opregion;
-
-	printk(BIOS_DEBUG, "ACPI:    * IGD OpRegion\n");
-	opregion = cbmem_add(CBMEM_ID_IGD_OPREGION, sizeof(*opregion));
-	if (opregion)
-		init_igd_opregion(opregion);
-	return opregion;
 }
 
 static unsigned long acpi_fill_dmar(unsigned long current)
diff --git a/src/northbridge/intel/sandybridge/sandybridge.h b/src/northbridge/intel/sandybridge/sandybridge.h
index 8d2ae85..1f27e3c 100644
--- a/src/northbridge/intel/sandybridge/sandybridge.h
+++ b/src/northbridge/intel/sandybridge/sandybridge.h
@@ -235,11 +235,6 @@
 unsigned long northbridge_write_acpi_tables(device_t device, unsigned long start, struct acpi_rsdp *rsdp);
 #endif
 
-#if !defined(__PRE_RAM__)
-#include <drivers/intel/gma/opregion.h>
-int init_igd_opregion(igd_opregion_t *igd_opregion);
-#endif
-
 #endif
 #endif
 #endif /* __NORTHBRIDGE_INTEL_SANDYBRIDGE_SANDYBRIDGE_H__ */
diff --git a/src/northbridge/intel/x4x/acpi.c b/src/northbridge/intel/x4x/acpi.c
index 21f7aa9..45e76e0 100644
--- a/src/northbridge/intel/x4x/acpi.c
+++ b/src/northbridge/intel/x4x/acpi.c
@@ -23,7 +23,6 @@
 #include <device/device.h>
 #include <device/pci.h>
 #include <device/pci_ids.h>
-#include <cbmem.h>
 #include <arch/acpigen.h>
 #include <cpu/cpu.h>
 #include "x4x.h"
diff --git a/src/northbridge/intel/x4x/gma.c b/src/northbridge/intel/x4x/gma.c
index f4b2b2e..0203f48 100644
--- a/src/northbridge/intel/x4x/gma.c
+++ b/src/northbridge/intel/x4x/gma.c
@@ -374,6 +374,14 @@
 		native_init(dev);
 	else
 		pci_dev_init(dev);
+
+	/* Setup VBT for ACPI */
+	if (intel_gma_init_igd_opregion(dev)) {
+		printk(BIOS_ERR, "Failed to setup VBT.\n");
+		return;
+	}
+	intel_gma_setup_asls(dev);
+	intel_gma_setup_scis(dev);
 }
 
 static void gma_set_subsystem(device_t dev, unsigned int vendor,
diff --git a/src/southbridge/intel/bd82x6x/lpc.c b/src/southbridge/intel/bd82x6x/lpc.c
index 623482e..35588e9 100644
--- a/src/southbridge/intel/bd82x6x/lpc.c
+++ b/src/southbridge/intel/bd82x6x/lpc.c
@@ -654,10 +654,6 @@
 static void southbridge_inject_dsdt(device_t dev)
 {
 	global_nvs_t *gnvs = cbmem_add (CBMEM_ID_ACPI_GNVS, sizeof(*gnvs));
-	void *opregion;
-
-	/* Calling northbridge code as gnvs contains opregion address.  */
-	opregion = igd_make_opregion();
 
 	if (gnvs) {
 		const struct i915_gpu_controller_info *gfx = intel_gma_get_controller_info();
@@ -677,7 +673,7 @@
 #endif
 
 		/* IGD OpRegion Base Address */
-		gnvs->aslb = (u32)opregion;
+		gnvs->aslb = intel_gma_get_asls();
 		/* And tell SMI about it */
 		smm_setup_structures(gnvs, NULL, NULL);
 
diff --git a/src/southbridge/intel/fsp_bd82x6x/lpc.c b/src/southbridge/intel/fsp_bd82x6x/lpc.c
index c2dea6b..03178ec 100644
--- a/src/southbridge/intel/fsp_bd82x6x/lpc.c
+++ b/src/southbridge/intel/fsp_bd82x6x/lpc.c
@@ -589,10 +589,6 @@
 static void southbridge_inject_dsdt(device_t dev)
 {
 	global_nvs_t *gnvs = cbmem_add (CBMEM_ID_ACPI_GNVS, sizeof(*gnvs));
-	void *opregion;
-
-	/* Calling northbridge code as gnvs contains opregion address.  */
-	opregion = igd_make_opregion();
 
 	if (gnvs) {
 		const struct i915_gpu_controller_info *gfx = intel_gma_get_controller_info();
@@ -601,7 +597,7 @@
 
 		acpi_create_gnvs(gnvs);
 		/* IGD OpRegion Base Address */
-		gnvs->aslb = (u32)opregion;
+		gnvs->aslb = intel_gma_get_asls();
 
 		gnvs->ndid = gfx->ndid;
 		memcpy(gnvs->did, gfx->did, sizeof(gnvs->did));
diff --git a/src/southbridge/intel/fsp_i89xx/lpc.c b/src/southbridge/intel/fsp_i89xx/lpc.c
index 7ebe6e4..2371008 100644
--- a/src/southbridge/intel/fsp_i89xx/lpc.c
+++ b/src/southbridge/intel/fsp_i89xx/lpc.c
@@ -501,10 +501,6 @@
 static void southbridge_inject_dsdt(device_t dev)
 {
 	global_nvs_t *gnvs = cbmem_add (CBMEM_ID_ACPI_GNVS, sizeof(*gnvs));
-	void *opregion;
-
-	/* Calling northbridge code as gnvs contains opregion address.  */
-	opregion = igd_make_opregion();
 
 	if (gnvs) {
 		const struct i915_gpu_controller_info *gfx = intel_gma_get_controller_info();
@@ -513,7 +509,7 @@
 
 		acpi_create_gnvs(gnvs);
 		/* IGD OpRegion Base Address */
-		gnvs->aslb = (u32)opregion;
+		gnvs->aslb = intel_gma_get_asls();
 
 		gnvs->ndid = gfx->ndid;
 		memcpy(gnvs->did, gfx->did, sizeof(gnvs->did));
diff --git a/src/southbridge/intel/i82801ix/lpc.c b/src/southbridge/intel/i82801ix/lpc.c
index 8212b0a..b5134a5 100644
--- a/src/southbridge/intel/i82801ix/lpc.c
+++ b/src/southbridge/intel/i82801ix/lpc.c
@@ -548,6 +548,8 @@
 		gnvs->ndid = gfx->ndid;
 		memcpy(gnvs->did, gfx->did, sizeof(gnvs->did));
 
+		/* IGD OpRegion Base Address */
+		gnvs->aslb = intel_gma_get_asls();
 		/* And tell SMI about it */
 		smm_setup_structures(gnvs, NULL, NULL);
 
diff --git a/src/southbridge/intel/ibexpeak/lpc.c b/src/southbridge/intel/ibexpeak/lpc.c
index 0a08a15..5c9e15c 100644
--- a/src/southbridge/intel/ibexpeak/lpc.c
+++ b/src/southbridge/intel/ibexpeak/lpc.c
@@ -620,10 +620,6 @@
 static void southbridge_inject_dsdt(device_t dev)
 {
 	global_nvs_t *gnvs = cbmem_add (CBMEM_ID_ACPI_GNVS, sizeof(*gnvs));
-	void *opregion;
-
-	/* Calling northbridge code as gnvs contains opregion address.  */
-	opregion = igd_make_opregion();
 
 	if (gnvs) {
 		const struct i915_gpu_controller_info *gfx = intel_gma_get_controller_info();
@@ -638,7 +634,7 @@
 		memcpy(gnvs->did, gfx->did, sizeof(gnvs->did));
 
 		/* IGD OpRegion Base Address */
-		gnvs->aslb = (u32)opregion;
+		gnvs->aslb = intel_gma_get_asls();
 		/* And tell SMI about it */
 		smm_setup_structures(gnvs, NULL, NULL);
 

-- 
To view, visit https://review.coreboot.org/19084
To unsubscribe, visit https://review.coreboot.org/settings

Gerrit-MessageType: newchange
Gerrit-Change-Id: Ib1c60a317ecfdd3189558b53018258eceb0f4955
Gerrit-PatchSet: 1
Gerrit-Project: coreboot
Gerrit-Branch: master
Gerrit-Owner: Patrick Rudolph <siro at das-labor.org>



More information about the coreboot-gerrit mailing list