x86: baytrail: Add platform ASL files

This adds basic BayTrail platform ASL files. They are intended to be
included in dsdt.asl of any board that is based on this platform.

Note: ACPI mode support for GPIO/LPSS/SCC/LPE are not supported for
now. They will be added in the future.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

13 files changed, 1348 insertions, 0 deletions

diff --git a/arch/x86/include/asm/arch-baytrail/acpi/irq_helper.h b/arch/x86/include/asm/arch-baytrail/acpi/irq_helper.h
new file mode 100644
index 0000000000..2c3585ac7f
--- /dev/null
+++ b/arch/x86/include/asm/arch-baytrail/acpi/irq_helper.h
@@ -0,0 +1,111 @@
+/*
+ * Copyright (C) 2013 Google Inc.
+ * Copyright (C) 2014 Sage Electronics Engineering, LLC.
+ * Copyright (C) 2016 Bin Meng <bmeng.cn@gmail.com>
+ *
+ * Modified from coreboot src/soc/intel/baytrail/include/soc/irq_helper.h
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/*
+ * This file intentionally gets included multiple times, to set pic and apic
+ * modes, so should not have guard statements added.
+ */
+
+/*
+ * This file will use irqroute.asl and irqroute.h to generate the ACPI IRQ
+ * routing for the platform being compiled.
+ *
+ * This method uses #defines in irqroute.h along with the macros contained
+ * in this file to generate an IRQ routing for each PCI device in the system.
+ */
+
+#undef PCI_DEV_PIRQ_ROUTES
+#undef PCI_DEV_PIRQ_ROUTE
+#undef ACPI_DEV_IRQ
+#undef PCIE_BRIDGE_DEV
+#undef RP_IRQ_ROUTES
+#undef ROOTPORT_METHODS
+#undef ROOTPORT_IRQ_ROUTES
+#undef RP_METHOD
+
+#if defined(PIC_MODE)
+
+#define ACPI_DEV_IRQ(dev_, pin_, pin_name_) \
+	Package() { ## dev_ ## ffff, pin_, \_SB.PCI0.LPCB.LNK ## pin_name_, 0 }
+
+#define RP_IRQ_ROUTES(prefix_, func_, a_, b_, c_, d_) \
+Name(prefix_ ## func_ ## P, Package() \
+{ \
+	ACPI_DEV_IRQ(0x0000, 0, a_), \
+	ACPI_DEV_IRQ(0x0000, 1, b_), \
+	ACPI_DEV_IRQ(0x0000, 2, c_), \
+	ACPI_DEV_IRQ(0x0000, 3, d_), \
+})
+
+/* define as blank so ROOTPORT_METHODS only gets inserted once */
+#define ROOTPORT_METHODS(prefix_, dev_)
+
+#else /* defined(PIC_MODE) */
+
+#define ACPI_DEV_IRQ(dev_, pin_, pin_name_) \
+	Package() { ## dev_ ## ffff, pin_, 0, PIRQ ## pin_name_ ## _APIC_IRQ }
+
+#define RP_IRQ_ROUTES(prefix_, func_, a_, b_, c_, d_) \
+Name(prefix_ ## func_ ## A, Package() \
+{ \
+	ACPI_DEV_IRQ(0x0000, 0, a_), \
+	ACPI_DEV_IRQ(0x0000, 1, b_), \
+	ACPI_DEV_IRQ(0x0000, 2, c_), \
+	ACPI_DEV_IRQ(0x0000, 3, d_), \
+})
+
+#define ROOTPORT_METHODS(prefix_, dev_) \
+	RP_METHOD(prefix_, dev_, 0) \
+	RP_METHOD(prefix_, dev_, 1) \
+	RP_METHOD(prefix_, dev_, 2) \
+	RP_METHOD(prefix_, dev_, 3) \
+	RP_METHOD(prefix_, dev_, 4) \
+	RP_METHOD(prefix_, dev_, 5) \
+	RP_METHOD(prefix_, dev_, 6) \
+	RP_METHOD(prefix_, dev_, 7)
+
+#endif /* defined(PIC_MODE) */
+
+#define PCI_DEV_PIRQ_ROUTE(dev_, a_, b_, c_, d_) \
+	ACPI_DEV_IRQ(dev_, 0, a_), \
+	ACPI_DEV_IRQ(dev_, 1, b_), \
+	ACPI_DEV_IRQ(dev_, 2, c_), \
+	ACPI_DEV_IRQ(dev_, 3, d_)
+
+#define PCIE_BRIDGE_DEV(prefix_, dev_, a_, b_, c_, d_) \
+	ROOTPORT_IRQ_ROUTES(prefix_, a_, b_, c_, d_) \
+	ROOTPORT_METHODS(prefix_, dev_)
+
+#define ROOTPORT_IRQ_ROUTES(prefix_, a_, b_, c_, d_) \
+	RP_IRQ_ROUTES(prefix_, 0, a_, b_, c_, d_) \
+	RP_IRQ_ROUTES(prefix_, 1, b_, c_, d_, a_) \
+	RP_IRQ_ROUTES(prefix_, 2, c_, d_, a_, b_) \
+	RP_IRQ_ROUTES(prefix_, 3, d_, a_, b_, c_) \
+	RP_IRQ_ROUTES(prefix_, 4, a_, b_, c_, d_) \
+	RP_IRQ_ROUTES(prefix_, 5, b_, c_, d_, a_) \
+	RP_IRQ_ROUTES(prefix_, 6, c_, d_, a_, b_) \
+	RP_IRQ_ROUTES(prefix_, 7, d_, a_, b_, c_)
+
+#define RP_METHOD(prefix_, dev_, func_)\
+Device (prefix_ ## 0 ## func_) \
+{ \
+	Name(_ADR, dev_ ## 000 ## func_) \
+	Name(_PRW, Package() { 0, 0 }) \
+	Method(_PRT) { \
+		If (PICM) { \
+			Return (prefix_ ## func_ ## A) \
+		} Else { \
+			Return (prefix_ ## func_ ## P) \
+		} \
+	} \
+}
+
+/* SoC specific PIRQ route configuration */
+#include "irqroute.h"
diff --git a/arch/x86/include/asm/arch-baytrail/acpi/irqlinks.asl b/arch/x86/include/asm/arch-baytrail/acpi/irqlinks.asl
new file mode 100644
index 0000000000..aa7208529c
--- /dev/null
+++ b/arch/x86/include/asm/arch-baytrail/acpi/irqlinks.asl
@@ -0,0 +1,489 @@
+/*
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2016 Bin Meng <bmeng.cn@gmail.com>
+ *
+ * Modified from coreboot src/soc/intel/baytrail/acpi/irqlinks.asl
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+Scope (\)
+{
+	/* Intel Legacy Block */
+	OperationRegion(ILBS, SystemMemory, ILB_BASE_ADDRESS, ILB_BASE_SIZE)
+	Field(ILBS, AnyAcc, NoLock, Preserve) {
+		Offset (0x8),
+		PRTA, 8,
+		PRTB, 8,
+		PRTC, 8,
+		PRTD, 8,
+		PRTE, 8,
+		PRTF, 8,
+		PRTG, 8,
+		PRTH, 8,
+	}
+}
+
+Device (LNKA)
+{
+	Name(_HID, EISAID("PNP0C0F"))
+	Name(_UID, 1)
+
+	/* Disable method */
+	Method(_DIS, 0, Serialized)
+	{
+		Store(0x80, PRTA)
+	}
+
+	/* Possible Resource Settings for this Link */
+	Name(_PRS, ResourceTemplate()
+	{
+		IRQ(Level, ActiveLow, Shared) { 5, 6, 7, 10, 11, 12, 14, 15 }
+	})
+
+	/* Current Resource Settings for this link */
+	Method(_CRS, 0, Serialized)
+	{
+		Name(RTLA, ResourceTemplate()
+		{
+			IRQ(Level, ActiveLow, Shared) {}
+		})
+		CreateWordField(RTLA, 1, IRQ0)
+
+		/* Clear the WordField */
+		Store(Zero, IRQ0)
+
+		/* Set the bit from PRTA */
+		ShiftLeft(1, And(PRTA, 0x0f), IRQ0)
+
+		Return (RTLA)
+	}
+
+	/* Set Resource Setting for this IRQ link */
+	Method(_SRS, 1, Serialized)
+	{
+		CreateWordField(Arg0, 1, IRQ0)
+
+		/* Which bit is set? */
+		FindSetRightBit(IRQ0, Local0)
+
+		Decrement(Local0)
+		Store(Local0, PRTA)
+	}
+
+	/* Status */
+	Method(_STA, 0, Serialized)
+	{
+		If (And(PRTA, 0x80)) {
+			Return (STA_DISABLED)
+		} Else {
+			Return (STA_INVISIBLE)
+		}
+	}
+}
+
+Device (LNKB)
+{
+	Name(_HID, EISAID("PNP0C0F"))
+	Name(_UID, 2)
+
+	/* Disable method */
+	Method(_DIS, 0, Serialized)
+	{
+		Store(0x80, PRTB)
+	}
+
+	/* Possible Resource Settings for this Link */
+	Name(_PRS, ResourceTemplate()
+	{
+		IRQ(Level, ActiveLow, Shared) { 5, 6, 7, 10, 11, 12, 14, 15 }
+	})
+
+	/* Current Resource Settings for this link */
+	Method(_CRS, 0, Serialized)
+	{
+		Name(RTLB, ResourceTemplate()
+		{
+			IRQ(Level, ActiveLow, Shared) {}
+		})
+		CreateWordField(RTLB, 1, IRQ0)
+
+		/* Clear the WordField */
+		Store(Zero, IRQ0)
+
+		/* Set the bit from PRTB */
+		ShiftLeft(1, And(PRTB, 0x0f), IRQ0)
+
+		Return (RTLB)
+	}
+
+	/* Set Resource Setting for this IRQ link */
+	Method(_SRS, 1, Serialized)
+	{
+		CreateWordField(Arg0, 1, IRQ0)
+
+		/* Which bit is set? */
+		FindSetRightBit(IRQ0, Local0)
+
+		Decrement(Local0)
+		Store(Local0, PRTB)
+	}
+
+	/* Status */
+	Method(_STA, 0, Serialized)
+	{
+		If (And(PRTB, 0x80)) {
+			Return (STA_DISABLED)
+		} Else {
+			Return (STA_INVISIBLE)
+		}
+	}
+}
+
+Device (LNKC)
+{
+	Name(_HID, EISAID("PNP0C0F"))
+	Name(_UID, 3)
+
+	/* Disable method */
+	Method(_DIS, 0, Serialized)
+	{
+		Store(0x80, PRTC)
+	}
+
+	/* Possible Resource Settings for this Link */
+	Name(_PRS, ResourceTemplate()
+	{
+		IRQ(Level, ActiveLow, Shared) { 5, 6, 7, 10, 11, 12, 14, 15 }
+	})
+
+	/* Current Resource Settings for this link */
+	Method(_CRS, 0, Serialized)
+	{
+		Name(RTLC, ResourceTemplate()
+		{
+			IRQ(Level, ActiveLow, Shared) {}
+		})
+		CreateWordField(RTLC, 1, IRQ0)
+
+		/* Clear the WordField */
+		Store(Zero, IRQ0)
+
+		/* Set the bit from PRTC */
+		ShiftLeft(1, And(PRTC, 0x0f), IRQ0)
+
+		Return (RTLC)
+	}
+
+	/* Set Resource Setting for this IRQ link */
+	Method(_SRS, 1, Serialized)
+	{
+		CreateWordField(Arg0, 1, IRQ0)
+
+		/* Which bit is set? */
+		FindSetRightBit(IRQ0, Local0)
+
+		Decrement(Local0)
+		Store(Local0, PRTC)
+	}
+
+	/* Status */
+	Method(_STA, 0, Serialized)
+	{
+		If (And(PRTC, 0x80)) {
+			Return (STA_DISABLED)
+		} Else {
+			Return (STA_INVISIBLE)
+		}
+	}
+}
+
+Device (LNKD)
+{
+	Name(_HID, EISAID("PNP0C0F"))
+	Name(_UID, 4)
+
+	/* Disable method */
+	Method(_DIS, 0, Serialized)
+	{
+		Store(0x80, PRTD)
+	}
+
+	/* Possible Resource Settings for this Link */
+	Name(_PRS, ResourceTemplate()
+	{
+		IRQ(Level, ActiveLow, Shared) { 5, 6, 7, 10, 11, 12, 14, 15 }
+	})
+
+	/* Current Resource Settings for this link */
+	Method(_CRS, 0, Serialized)
+	{
+		Name(RTLD, ResourceTemplate()
+		{
+			IRQ(Level, ActiveLow, Shared) {}
+		})
+		CreateWordField(RTLD, 1, IRQ0)
+
+		/* Clear the WordField */
+		Store(Zero, IRQ0)
+
+		/* Set the bit from PRTD */
+		ShiftLeft(1, And(PRTD, 0x0f), IRQ0)
+
+		Return (RTLD)
+	}
+
+	/* Set Resource Setting for this IRQ link */
+	Method(_SRS, 1, Serialized)
+	{
+		CreateWordField(Arg0, 1, IRQ0)
+
+		/* Which bit is set? */
+		FindSetRightBit(IRQ0, Local0)
+
+		Decrement(Local0)
+		Store(Local0, PRTD)
+	}
+
+	/* Status */
+	Method(_STA, 0, Serialized)
+	{
+		If (And(PRTD, 0x80)) {
+			Return (STA_DISABLED)
+		} Else {
+			Return (STA_INVISIBLE)
+		}
+	}
+}
+
+Device (LNKE)
+{
+	Name(_HID, EISAID("PNP0C0F"))
+	Name(_UID, 5)
+
+	/* Disable method */
+	Method(_DIS, 0, Serialized)
+	{
+		Store(0x80, PRTE)
+	}
+
+	/* Possible Resource Settings for this Link */
+	Name(_PRS, ResourceTemplate()
+	{
+		IRQ(Level, ActiveLow, Shared) { 5, 6, 7, 10, 11, 12, 14, 15 }
+	})
+
+	/* Current Resource Settings for this link */
+	Method(_CRS, 0, Serialized)
+	{
+		Name(RTLE, ResourceTemplate()
+		{
+			IRQ(Level, ActiveLow, Shared) {}
+		})
+		CreateWordField(RTLE, 1, IRQ0)
+
+		/* Clear the WordField */
+		Store(Zero, IRQ0)
+
+		/* Set the bit from PRTE */
+		ShiftLeft(1, And(PRTE, 0x0f), IRQ0)
+
+		Return (RTLE)
+	}
+
+	/* Set Resource Setting for this IRQ link */
+	Method(_SRS, 1, Serialized)
+	{
+		CreateWordField(Arg0, 1, IRQ0)
+
+		/* Which bit is set? */
+		FindSetRightBit(IRQ0, Local0)
+
+		Decrement(Local0)
+		Store(Local0, PRTE)
+	}
+
+	/* Status */
+	Method(_STA, 0, Serialized)
+	{
+		If (And(PRTE, 0x80)) {
+			Return (STA_DISABLED)
+		} Else {
+			Return (STA_INVISIBLE)
+		}
+	}
+}
+
+Device (LNKF)
+{
+	Name(_HID, EISAID("PNP0C0F"))
+	Name(_UID, 6)
+
+	/* Disable method */
+	Method(_DIS, 0, Serialized)
+	{
+		Store(0x80, PRTF)
+	}
+
+	/* Possible Resource Settings for this Link */
+	Name(_PRS, ResourceTemplate()
+	{
+		IRQ(Level, ActiveLow, Shared) { 5, 6, 7, 10, 11, 12, 14, 15 }
+	})
+
+	/* Current Resource Settings for this link */
+	Method(_CRS, 0, Serialized)
+	{
+		Name(RTLF, ResourceTemplate()
+		{
+			IRQ(Level, ActiveLow, Shared) {}
+		})
+		CreateWordField(RTLF, 1, IRQ0)
+
+		/* Clear the WordField */
+		Store(Zero, IRQ0)
+
+		/* Set the bit from PRTF */
+		ShiftLeft(1, And(PRTF, 0x0f), IRQ0)
+
+		Return (RTLF)
+	}
+
+	/* Set Resource Setting for this IRQ link */
+	Method(_SRS, 1, Serialized)
+	{
+		CreateWordField(Arg0, 1, IRQ0)
+
+		/* Which bit is set? */
+		FindSetRightBit(IRQ0, Local0)
+
+		Decrement(Local0)
+		Store(Local0, PRTF)
+	}
+
+	/* Status */
+	Method(_STA, 0, Serialized)
+	{
+		If (And(PRTF, 0x80)) {
+			Return (STA_DISABLED)
+		} Else {
+			Return (STA_INVISIBLE)
+		}
+	}
+}
+
+Device (LNKG)
+{
+	Name(_HID, EISAID("PNP0C0F"))
+	Name(_UID, 7)
+
+	/* Disable method */
+	Method(_DIS, 0, Serialized)
+	{
+		Store(0x80, PRTG)
+	}
+
+	/* Possible Resource Settings for this Link */
+	Name(_PRS, ResourceTemplate()
+	{
+		IRQ(Level, ActiveLow, Shared) { 5, 6, 7, 10, 11, 12, 14, 15 }
+	})
+
+	/* Current Resource Settings for this link */
+	Method(_CRS, 0, Serialized)
+	{
+		Name(RTLG, ResourceTemplate()
+		{
+			IRQ(Level, ActiveLow, Shared) {}
+		})
+		CreateWordField(RTLG, 1, IRQ0)
+
+		/* Clear the WordField */
+		Store(Zero, IRQ0)
+
+		/* Set the bit from PRTG */
+		ShiftLeft(1, And(PRTG, 0x0f), IRQ0)
+
+		Return (RTLG)
+	}
+
+	/* Set Resource Setting for this IRQ link */
+	Method(_SRS, 1, Serialized)
+	{
+		CreateWordField(Arg0, 1, IRQ0)
+
+		/* Which bit is set? */
+		FindSetRightBit(IRQ0, Local0)
+
+		Decrement(Local0)
+		Store(Local0, PRTG)
+	}
+
+	/* Status */
+	Method(_STA, 0, Serialized)
+	{
+		If (And(PRTG, 0x80)) {
+			Return (STA_DISABLED)
+		} Else {
+			Return (STA_INVISIBLE)
+		}
+	}
+}
+
+Device (LNKH)
+{
+	Name(_HID, EISAID("PNP0C0F"))
+	Name(_UID, 8)
+
+	/* Disable method */
+	Method(_DIS, 0, Serialized)
+	{
+		Store(0x80, PRTH)
+	}
+
+	/* Possible Resource Settings for this Link */
+	Name(_PRS, ResourceTemplate()
+	{
+		IRQ(Level, ActiveLow, Shared) { 5, 6, 7, 10, 11, 12, 14, 15 }
+	})
+
+	/* Current Resource Settings for this link */
+	Method(_CRS, 0, Serialized)
+	{
+		Name(RTLH, ResourceTemplate()
+		{
+			IRQ(Level, ActiveLow, Shared) {}
+		})
+		CreateWordField(RTLH, 1, IRQ0)
+
+		/* Clear the WordField */
+		Store(Zero, IRQ0)
+
+		/* Set the bit from PRTH */
+		ShiftLeft(1, And(PRTH, 0x0f), IRQ0)
+
+		Return (RTLH)
+	}
+
+	/* Set Resource Setting for this IRQ link */
+	Method(_SRS, 1, Serialized)
+	{
+		CreateWordField(Arg0, 1, IRQ0)
+
+		/* Which bit is set? */
+		FindSetRightBit(IRQ0, Local0)
+
+		Decrement(Local0)
+		Store(Local0, PRTH)
+	}
+
+	/* Status */
+	Method(_STA, 0, Serialized)
+	{
+		If (And(PRTH, 0x80)) {
+			Return (STA_DISABLED)
+		} Else {
+			Return (STA_INVISIBLE)
+		}
+	}
+}
diff --git a/arch/x86/include/asm/arch-baytrail/acpi/irqroute.asl b/arch/x86/include/asm/arch-baytrail/acpi/irqroute.asl
new file mode 100644
index 0000000000..64d38207d9
--- /dev/null
+++ b/arch/x86/include/asm/arch-baytrail/acpi/irqroute.asl
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2013 Google Inc.
+ * Copyright (C) 2016 Bin Meng <bmeng.cn@gmail.com>
+ *
+ * Modified from coreboot src/soc/intel/baytrail/acpi/irqroute.asl
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+Name(\PICM, 0)
+
+/*
+ * The _PIC method is called by the OS to choose between interrupt
+ * routing via the i8259 interrupt controller or the APIC.
+ *
+ * _PIC is called with a parameter of 0 for i8259 configuration and
+ * with a parameter of 1 for Local APIC/IOAPIC configuration.
+ */
+Method(\_PIC, 1)
+{
+	/* Remember the OS' IRQ routing choice */
+	Store(Arg0, PICM)
+}
+
+/* PCI interrupt routing */
+Method(_PRT) {
+	If (PICM) {
+		Return (Package() {
+			#undef PIC_MODE
+			#include "irq_helper.h"
+			PCI_DEV_PIRQ_ROUTES
+		})
+	} Else {
+		Return (Package() {
+			#define PIC_MODE
+			#include "irq_helper.h"
+			PCI_DEV_PIRQ_ROUTES
+		})
+	}
+
+}
+
+/* PCIe downstream ports interrupt routing */
+PCIE_BRIDGE_IRQ_ROUTES
+#undef PIC_MODE
+#include "irq_helper.h"
+PCIE_BRIDGE_IRQ_ROUTES
diff --git a/arch/x86/include/asm/arch-baytrail/acpi/irqroute.h b/arch/x86/include/asm/arch-baytrail/acpi/irqroute.h
new file mode 100644
index 0000000000..d7463140f1
--- /dev/null
+++ b/arch/x86/include/asm/arch-baytrail/acpi/irqroute.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2016, Bin Meng <bmeng.cn@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <asm/arch/device.h>
+
+#define PCI_DEV_PIRQ_ROUTES \
+	PCI_DEV_PIRQ_ROUTE(GFX_DEV,	A, A, A, A), \
+	PCI_DEV_PIRQ_ROUTE(EMMC_DEV,	A, A, A, A), \
+	PCI_DEV_PIRQ_ROUTE(SDIO_DEV,	A, A, A, A), \
+	PCI_DEV_PIRQ_ROUTE(SD_DEV,	A, A, A, A), \
+	PCI_DEV_PIRQ_ROUTE(SATA_DEV,	A, A, A, A), \
+	PCI_DEV_PIRQ_ROUTE(XHCI_DEV,	A, A, A, A), \
+	PCI_DEV_PIRQ_ROUTE(LPE_DEV,	A, A, A, A), \
+	PCI_DEV_PIRQ_ROUTE(MMC45_DEV,	A, A, A, A), \
+	PCI_DEV_PIRQ_ROUTE(SIO1_DEV,	A, B, C, D), \
+	PCI_DEV_PIRQ_ROUTE(TXE_DEV,	A, A, A, A), \
+	PCI_DEV_PIRQ_ROUTE(HDA_DEV,	A, A, A, A), \
+	PCI_DEV_PIRQ_ROUTE(PCIE_DEV,	A, B, C, D), \
+	PCI_DEV_PIRQ_ROUTE(EHCI_DEV,	A, A, A, A), \
+	PCI_DEV_PIRQ_ROUTE(SIO2_DEV,	A, B, C, D), \
+	PCI_DEV_PIRQ_ROUTE(PCU_DEV,	A, B, C, D)
+
+#define PCIE_BRIDGE_IRQ_ROUTES \
+	PCIE_BRIDGE_DEV(RP, PCIE_DEV,	A, B, C, D)
diff --git a/arch/x86/include/asm/arch-baytrail/acpi/lpc.asl b/arch/x86/include/asm/arch-baytrail/acpi/lpc.asl
new file mode 100644
index 0000000000..1dca9770c5
--- /dev/null
+++ b/arch/x86/include/asm/arch-baytrail/acpi/lpc.asl
@@ -0,0 +1,121 @@
+/*
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2013 Google Inc.
+ * Copyright (C) 2016 Bin Meng <bmeng.cn@gmail.com>
+ *
+ * Modified from coreboot src/soc/intel/baytrail/acpi/lpc.asl
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/* Intel LPC Bus Device - 0:1f.0 */
+
+Device (LPCB)
+{
+	Name(_ADR, 0x001f0000)
+
+	#include "irqlinks.asl"
+
+	/* Firmware Hub */
+	Device (FWH)
+	{
+		Name(_HID, EISAID("INT0800"))
+		Name(_CRS, ResourceTemplate()
+		{
+			Memory32Fixed(ReadOnly, 0xff000000, 0x01000000)
+		})
+	}
+
+	/* 8259 Interrupt Controller */
+	Device (PIC)
+	{
+		Name(_HID, EISAID("PNP0000"))
+		Name(_CRS, ResourceTemplate()
+		{
+			IO(Decode16, 0x20, 0x20, 0x01, 0x02)
+			IO(Decode16, 0x24, 0x24, 0x01, 0x02)
+			IO(Decode16, 0x28, 0x28, 0x01, 0x02)
+			IO(Decode16, 0x2c, 0x2c, 0x01, 0x02)
+			IO(Decode16, 0x30, 0x30, 0x01, 0x02)
+			IO(Decode16, 0x34, 0x34, 0x01, 0x02)
+			IO(Decode16, 0x38, 0x38, 0x01, 0x02)
+			IO(Decode16, 0x3c, 0x3c, 0x01, 0x02)
+			IO(Decode16, 0xa0, 0xa0, 0x01, 0x02)
+			IO(Decode16, 0xa4, 0xa4, 0x01, 0x02)
+			IO(Decode16, 0xa8, 0xa8, 0x01, 0x02)
+			IO(Decode16, 0xac, 0xac, 0x01, 0x02)
+			IO(Decode16, 0xb0, 0xb0, 0x01, 0x02)
+			IO(Decode16, 0xb4, 0xb4, 0x01, 0x02)
+			IO(Decode16, 0xb8, 0xb8, 0x01, 0x02)
+			IO(Decode16, 0xbc, 0xbc, 0x01, 0x02)
+			IO(Decode16, 0x4d0, 0x4d0, 0x01, 0x02)
+			IRQNoFlags () { 2 }
+		})
+	}
+
+	/* 8254 timer */
+	Device (TIMR)
+	{
+		Name(_HID, EISAID("PNP0100"))
+		Name(_CRS, ResourceTemplate()
+		{
+			IO(Decode16, 0x40, 0x40, 0x01, 0x04)
+			IO(Decode16, 0x50, 0x50, 0x10, 0x04)
+			IRQNoFlags() { 0 }
+		})
+	}
+
+	/* HPET */
+	Device (HPET)
+	{
+		Name(_HID, EISAID("PNP0103"))
+		Name(_CID, 0x010CD041)
+		Name(_CRS, ResourceTemplate()
+		{
+			Memory32Fixed(ReadOnly, HPET_BASE_ADDRESS, HPET_BASE_SIZE)
+		})
+
+		Method(_STA)
+		{
+			Return (STA_VISIBLE)
+		}
+	}
+
+	/* Real Time Clock */
+	Device (RTC)
+	{
+		Name(_HID, EISAID("PNP0B00"))
+		Name(_CRS, ResourceTemplate()
+		{
+			IO(Decode16, 0x70, 0x70, 1, 8)
+			/*
+			 * Disable as Windows doesn't like it, and systems
+			 * don't seem to use it
+			 */
+			/* IRQNoFlags() { 8 } */
+		})
+	}
+
+	/* LPC device: Resource consumption */
+	Device (LDRC)
+	{
+		Name(_HID, EISAID("PNP0C02"))
+		Name(_UID, 2)
+
+		Name(RBUF, ResourceTemplate()
+		{
+			IO(Decode16, 0x61, 0x61, 0x1, 0x01) /* NMI Status */
+			IO(Decode16, 0x63, 0x63, 0x1, 0x01) /* CPU Reserved */
+			IO(Decode16, 0x65, 0x65, 0x1, 0x01) /* CPU Reserved */
+			IO(Decode16, 0x67, 0x67, 0x1, 0x01) /* CPU Reserved */
+			IO(Decode16, 0x80, 0x80, 0x1, 0x01) /* Port 80 Post */
+			IO(Decode16, 0x92, 0x92, 0x1, 0x01) /* CPU Reserved */
+			IO(Decode16, 0xb2, 0xb2, 0x1, 0x02) /* SWSMI */
+		})
+
+		Method(_CRS, 0, NotSerialized)
+		{
+			Return (RBUF)
+		}
+	}
+}
diff --git a/arch/x86/include/asm/arch-baytrail/acpi/platform.asl b/arch/x86/include/asm/arch-baytrail/acpi/platform.asl
new file mode 100644
index 0000000000..bd72842dd6
--- /dev/null
+++ b/arch/x86/include/asm/arch-baytrail/acpi/platform.asl
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2016, Bin Meng <bmeng.cn@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <asm/acpi/statdef.asl>
+#include <asm/arch/iomap.h>
+#include <asm/arch/irq.h>
+
+/*
+ * The _PTS method (Prepare To Sleep) is called before the OS is
+ * entering a sleep state. The sleep state number is passed in Arg0.
+ */
+Method(_PTS, 1)
+{
+}
+
+/* The _WAK method is called on system wakeup */
+Method(_WAK, 1)
+{
+	Return (Package() {0, 0})
+}
+
+/* TODO: add CPU ASL support */
+
+Scope (\_SB)
+{
+	#include "southcluster.asl"
+}
+
+/* Chipset specific sleep states */
+#include "sleepstates.asl"
diff --git a/arch/x86/include/asm/arch-baytrail/acpi/sleepstates.asl b/arch/x86/include/asm/arch-baytrail/acpi/sleepstates.asl
new file mode 100644
index 0000000000..eb5ae76186
--- /dev/null
+++ b/arch/x86/include/asm/arch-baytrail/acpi/sleepstates.asl
@@ -0,0 +1,13 @@
+/*
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2016 Bin Meng <bmeng.cn@gmail.com>
+ *
+ * Modified from coreboot src/soc/intel/baytrail/acpi/sleepstates.asl
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+Name(\_S0, Package() {0x0, 0x0, 0x0, 0x0})
+Name(\_S3, Package() {0x5, 0x0, 0x0, 0x0})
+Name(\_S4, Package() {0x6, 0x0, 0x0, 0x0})
+Name(\_S5, Package() {0x7, 0x0, 0x0, 0x0})
diff --git a/arch/x86/include/asm/arch-baytrail/acpi/southcluster.asl b/arch/x86/include/asm/arch-baytrail/acpi/southcluster.asl
new file mode 100644
index 0000000000..34d3951424
--- /dev/null
+++ b/arch/x86/include/asm/arch-baytrail/acpi/southcluster.asl
@@ -0,0 +1,211 @@
+/*
+ * Copyright (C) 2013 Google Inc.
+ * Copyright (C) 2016 Bin Meng <bmeng.cn@gmail.com>
+ *
+ * Modified from coreboot src/soc/intel/baytrail/acpi/southcluster.asl
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+Device (PCI0)
+{
+	Name(_HID, EISAID("PNP0A08"))	/* PCIe */
+	Name(_CID, EISAID("PNP0A03"))	/* PCI */
+
+	Name(_ADR, 0)
+	Name(_BBN, 0)
+
+	Name(MCRS, ResourceTemplate()
+	{
+		/* Bus Numbers */
+		WordBusNumber(ResourceProducer, MinFixed, MaxFixed, PosDecode,
+				0x0000, 0x0000, 0x00ff, 0x0000, 0x0100, , , PB00)
+
+		/* IO Region 0 */
+		WordIO(ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange,
+				0x0000, 0x0000, 0x0cf7, 0x0000, 0x0cf8, , , PI00)
+
+		/* PCI Config Space */
+		IO(Decode16, 0x0cf8, 0x0cf8, 0x0001, 0x0008)
+
+		/* IO Region 1 */
+		WordIO(ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange,
+				0x0000, 0x0d00, 0xffff, 0x0000, 0xf300, , , PI01)
+
+		/* VGA memory (0xa0000-0xbffff) */
+		DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
+				Cacheable, ReadWrite,
+				0x00000000, 0x000a0000, 0x000bffff, 0x00000000,
+				0x00020000, , , ASEG)
+
+		/* OPROM reserved (0xc0000-0xc3fff) */
+		DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
+				Cacheable, ReadWrite,
+				0x00000000, 0x000c0000, 0x000c3fff, 0x00000000,
+				0x00004000, , , OPR0)
+
+		/* OPROM reserved (0xc4000-0xc7fff) */
+		DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
+				Cacheable, ReadWrite,
+				0x00000000, 0x000c4000, 0x000c7fff, 0x00000000,
+				0x00004000, , , OPR1)
+
+		/* OPROM reserved (0xc8000-0xcbfff) */
+		DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
+				Cacheable, ReadWrite,
+				0x00000000, 0x000c8000, 0x000cbfff, 0x00000000,
+				0x00004000, , , OPR2)
+
+		/* OPROM reserved (0xcc000-0xcffff) */
+		DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
+				Cacheable, ReadWrite,
+				0x00000000, 0x000cc000, 0x000cffff, 0x00000000,
+				0x00004000, , , OPR3)
+
+		/* OPROM reserved (0xd0000-0xd3fff) */
+		DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
+				Cacheable, ReadWrite,
+				0x00000000, 0x000d0000, 0x000d3fff, 0x00000000,
+				0x00004000, , , OPR4)
+
+		/* OPROM reserved (0xd4000-0xd7fff) */
+		DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
+				Cacheable, ReadWrite,
+				0x00000000, 0x000d4000, 0x000d7fff, 0x00000000,
+				0x00004000, , , OPR5)
+
+		/* OPROM reserved (0xd8000-0xdbfff) */
+		DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
+				Cacheable, ReadWrite,
+				0x00000000, 0x000d8000, 0x000dbfff, 0x00000000,
+				0x00004000, , , OPR6)
+
+		/* OPROM reserved (0xdc000-0xdffff) */
+		DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
+				Cacheable, ReadWrite,
+				0x00000000, 0x000dc000, 0x000dffff, 0x00000000,
+				0x00004000, , , OPR7)
+
+		/* BIOS Extension (0xe0000-0xe3fff) */
+		DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
+				Cacheable, ReadWrite,
+				0x00000000, 0x000e0000, 0x000e3fff, 0x00000000,
+				0x00004000, , , ESG0)
+
+		/* BIOS Extension (0xe4000-0xe7fff) */
+		DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
+				Cacheable, ReadWrite,
+				0x00000000, 0x000e4000, 0x000e7fff, 0x00000000,
+				0x00004000, , , ESG1)
+
+		/* BIOS Extension (0xe8000-0xebfff) */
+		DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
+				Cacheable, ReadWrite,
+				0x00000000, 0x000e8000, 0x000ebfff, 0x00000000,
+				0x00004000, , , ESG2)
+
+		/* BIOS Extension (0xec000-0xeffff) */
+		DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
+				Cacheable, ReadWrite,
+				0x00000000, 0x000ec000, 0x000effff, 0x00000000,
+				0x00004000, , , ESG3)
+
+		/* System BIOS (0xf0000-0xfffff) */
+		DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
+				Cacheable, ReadWrite,
+				0x00000000, 0x000f0000, 0x000fffff, 0x00000000,
+				0x00010000, , , FSEG)
+
+		/* PCI Memory Region (TOLM-CONFIG_MMCONF_BASE_ADDRESS) */
+		DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
+				Cacheable, ReadWrite,
+				0x00000000, 0x00000000, 0x00000000, 0x00000000,
+				0x00000000, , , PMEM)
+
+		/* High PCI Memory Region */
+		QwordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
+				Cacheable, ReadWrite,
+				0x00000000, 0x00000000, 0x00000000, 0x00000000,
+				0x00000000, , , UMEM)
+	})
+
+	Method(_CRS, 0, Serialized)
+	{
+		/* Update PCI resource area */
+		CreateDwordField(MCRS, ^PMEM._MIN, PMIN)
+		CreateDwordField(MCRS, ^PMEM._MAX, PMAX)
+		CreateDwordField(MCRS, ^PMEM._LEN, PLEN)
+
+		/*
+		 * Hardcode TOLM to 2GB for now as BayTrail FSP uses this value.
+		 *
+		 * TODO: for generic usage, read TOLM value from register, or
+		 * from global NVS (not implemented by U-Boot yet).
+		 */
+		Store(0x80000000, PMIN)
+		Store(Subtract(MCFG_BASE_ADDRESS, 1), PMAX)
+		Add(Subtract(PMAX, PMIN), 1, PLEN)
+
+		/* Update High PCI resource area */
+		CreateQwordField(MCRS, ^UMEM._MIN, UMIN)
+		CreateQwordField(MCRS, ^UMEM._MAX, UMAX)
+		CreateQwordField(MCRS, ^UMEM._LEN, ULEN)
+
+		/* Set base address to 48GB and allocate 16GB for PCI space */
+		Store(0xc00000000, UMIN)
+		Store(0x400000000, ULEN)
+		Add(UMIN, Subtract(ULEN, 1), UMAX)
+
+		Return (MCRS)
+	}
+
+	/* Device Resource Consumption */
+	Device (PDRC)
+	{
+		Name(_HID, EISAID("PNP0C02"))
+		Name(_UID, 1)
+
+		Name(PDRS, ResourceTemplate() {
+			Memory32Fixed(ReadWrite, MCFG_BASE_ADDRESS, MCFG_BASE_SIZE)
+			Memory32Fixed(ReadWrite, ABORT_BASE_ADDRESS, ABORT_BASE_SIZE)
+			Memory32Fixed(ReadWrite, SPI_BASE_ADDRESS, SPI_BASE_SIZE)
+			Memory32Fixed(ReadWrite, PMC_BASE_ADDRESS, PMC_BASE_SIZE)
+			Memory32Fixed(ReadWrite, PUNIT_BASE_ADDRESS, PUNIT_BASE_SIZE)
+			Memory32Fixed(ReadWrite, ILB_BASE_ADDRESS, ILB_BASE_SIZE)
+			Memory32Fixed(ReadWrite, RCBA_BASE_ADDRESS, RCBA_BASE_SIZE)
+			Memory32Fixed(ReadWrite, MPHY_BASE_ADDRESS, MPHY_BASE_SIZE)
+		})
+
+		/* Current Resource Settings */
+		Method(_CRS, 0, Serialized)
+		{
+			Return (PDRS)
+		}
+	}
+
+	Method(_OSC, 4)
+	{
+		/* Check for proper GUID */
+		If (LEqual(Arg0, ToUUID("33DB4D5B-1FF7-401C-9657-7441C03DD766"))) {
+			/* Let OS control everything */
+			Return (Arg3)
+		} Else {
+			/* Unrecognized UUID */
+			CreateDWordField(Arg3, 0, CDW1)
+			Or(CDW1, 4, CDW1)
+			Return (Arg3)
+		}
+	}
+
+	/* LPC Bridge 0:1f.0 */
+	#include "lpc.asl"
+
+	/* USB EHCI 0:1d.0 */
+	#include "usb.asl"
+
+	/* USB XHCI 0:14.0 */
+	#include "xhci.asl"
+
+	/* IRQ routing for each PCI device */
+	#include "irqroute.asl"
+}
diff --git a/arch/x86/include/asm/arch-baytrail/acpi/usb.asl b/arch/x86/include/asm/arch-baytrail/acpi/usb.asl
new file mode 100644
index 0000000000..311f471843
--- /dev/null
+++ b/arch/x86/include/asm/arch-baytrail/acpi/usb.asl
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2016 Bin Meng <bmeng.cn@gmail.com>
+ *
+ * Modified from coreboot src/soc/intel/baytrail/acpi/usb.asl
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/* EHCI Controller 0:1d.0 */
+
+Device (EHC1)
+{
+	Name(_ADR, 0x001d0000)
+
+	/* Power Resources for Wake */
+	Name(_PRW, Package() { 13, 4 })
+
+	/* Highest D state in S3 state */
+	Name(_S3D, 2)
+
+	/* Highest D state in S4 state */
+	Name(_S4D, 2)
+
+	Device (HUB7)
+	{
+		Name(_ADR, 0x00000000)
+
+		Device(PRT1) { Name(_ADR, 1) }	/* USB Port 0 */
+		Device(PRT2) { Name(_ADR, 2) }	/* USB Port 1 */
+		Device(PRT3) { Name(_ADR, 3) }	/* USB Port 2 */
+		Device(PRT4) { Name(_ADR, 4) }	/* USB Port 3 */
+	}
+}
diff --git a/arch/x86/include/asm/arch-baytrail/acpi/xhci.asl b/arch/x86/include/asm/arch-baytrail/acpi/xhci.asl
new file mode 100644
index 0000000000..a5a4404651
--- /dev/null
+++ b/arch/x86/include/asm/arch-baytrail/acpi/xhci.asl
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2014 Google Inc.
+ * Copyright (C) 2016 Bin Meng <bmeng.cn@gmail.com>
+ *
+ * Modified from coreboot src/soc/intel/baytrail/acpi/xhci.asl
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/* XHCI Controller 0:14.0 */
+
+Device (XHCI)
+{
+	Name(_ADR, 0x00140000)
+
+	/* Power Resources for Wake */
+	Name(_PRW, Package() { 13, 3 })
+
+	/* Highest D state in S3 state */
+	Name(_S3D, 3)
+
+	Device (RHUB)
+	{
+		Name(_ADR, 0x00000000)
+
+		Device (PRT1) { Name(_ADR, 1) }	/* USB Port 0 */
+		Device (PRT2) { Name(_ADR, 2) }	/* USB Port 1 */
+		Device (PRT3) { Name(_ADR, 3) }	/* USB Port 2 */
+		Device (PRT4) { Name(_ADR, 4) }	/* USB Port 3 */
+	}
+}
diff --git a/arch/x86/include/asm/arch-baytrail/device.h b/arch/x86/include/asm/arch-baytrail/device.h
new file mode 100644
index 0000000000..798d35bccf
--- /dev/null
+++ b/arch/x86/include/asm/arch-baytrail/device.h
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2013 Google Inc.
+ * Copyright (C) 2016 Bin Meng <bmeng.cn@gmail.com>
+ *
+ * Modified from coreboot src/soc/intel/baytrail/include/soc/pci_devs.h
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _DEVICE_H_
+#define _DEVICE_H_
+
+/*
+ * Internal PCI device numbers within the SoC.
+ *
+ * Note it must start with 0x_ prefix, as the device number macro will be
+ * included in the ACPI ASL files (see irq_helper.h and irq_route.h).
+ */
+
+/* SoC transaction router */
+#define SOC_DEV		0x00
+
+/* Graphics and Display */
+#define GFX_DEV		0x02
+
+/* MIPI */
+#define MIPI_DEV	0x03
+
+/* EMMC Port */
+#define EMMC_DEV	0x10
+
+/* SDIO Port */
+#define SDIO_DEV	0x11
+
+/* SD Port */
+#define SD_DEV		0x12
+
+/* SATA */
+#define SATA_DEV	0x13
+
+/* xHCI */
+#define XHCI_DEV	0x14
+
+/* LPE Audio */
+#define LPE_DEV		0x15
+
+/* OTG */
+#define OTG_DEV		0x16
+
+/* MMC45 Port */
+#define MMC45_DEV	0x17
+
+/* Serial IO 1 */
+#define SIO1_DEV	0x18
+
+/* Trusted Execution Engine */
+#define TXE_DEV		0x1a
+
+/* HD Audio */
+#define HDA_DEV		0x1b
+
+/* PCIe Ports */
+#define PCIE_DEV	0x1c
+
+/* EHCI */
+#define EHCI_DEV	0x1d
+
+/* Serial IO 2 */
+#define SIO2_DEV	0x1e
+
+/* Platform Controller Unit */
+#define PCU_DEV		0x1f
+
+#endif /* _DEVICE_H_ */
diff --git a/arch/x86/include/asm/arch-baytrail/iomap.h b/arch/x86/include/asm/arch-baytrail/iomap.h
new file mode 100644
index 0000000000..62a91051e4
--- /dev/null
+++ b/arch/x86/include/asm/arch-baytrail/iomap.h
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2013 Google Inc.
+ * Copyright (C) 2016 Bin Meng <bmeng.cn@gmail.com>
+ *
+ * Modified from coreboot src/soc/intel/baytrail/include/soc/iomap.h
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _BAYTRAIL_IOMAP_H_
+#define _BAYTRAIL_IOMAP_H_
+
+/* Memory Mapped IO bases */
+
+/* PCI Configuration Space */
+#define MCFG_BASE_ADDRESS		CONFIG_PCIE_ECAM_BASE
+#define MCFG_BASE_SIZE			0x10000000
+
+/* Temporary Base Address */
+#define TEMP_BASE_ADDRESS		0xfd000000
+
+/* Transactions in this range will abort */
+#define ABORT_BASE_ADDRESS		0xfeb00000
+#define ABORT_BASE_SIZE			0x00100000
+
+/* High Performance Event Timer */
+#define HPET_BASE_ADDRESS		0xfed00000
+#define HPET_BASE_SIZE			0x400
+
+/* SPI Bus */
+#define SPI_BASE_ADDRESS		0xfed01000
+#define SPI_BASE_SIZE			0x400
+
+/* Power Management Controller */
+#define PMC_BASE_ADDRESS		0xfed03000
+#define PMC_BASE_SIZE			0x400
+
+/* Power Management Unit */
+#define PUNIT_BASE_ADDRESS		0xfed05000
+#define PUNIT_BASE_SIZE			0x800
+
+/* Intel Legacy Block */
+#define ILB_BASE_ADDRESS		0xfed08000
+#define ILB_BASE_SIZE			0x400
+
+/* IO Memory */
+#define IO_BASE_ADDRESS			0xfed0c000
+#define  IO_BASE_OFFSET_GPSCORE		0x0000
+#define  IO_BASE_OFFSET_GPNCORE		0x1000
+#define  IO_BASE_OFFSET_GPSSUS		0x2000
+#define IO_BASE_SIZE			0x4000
+
+/* Root Complex Base Address */
+#define RCBA_BASE_ADDRESS		0xfed1c000
+#define RCBA_BASE_SIZE			0x400
+
+/* MODPHY */
+#define MPHY_BASE_ADDRESS		0xfef00000
+#define MPHY_BASE_SIZE			0x100000
+
+/* IO Port bases */
+#define ACPI_BASE_ADDRESS		0x0400
+#define ACPI_BASE_SIZE			0x80
+
+#define GPIO_BASE_ADDRESS		0x0500
+#define GPIO_BASE_SIZE			0x100
+
+#define SMBUS_BASE_ADDRESS		0xefa0
+
+#endif /* _BAYTRAIL_IOMAP_H_ */
diff --git a/arch/x86/include/asm/arch-baytrail/irq.h b/arch/x86/include/asm/arch-baytrail/irq.h
new file mode 100644
index 0000000000..cd66f83c41
--- /dev/null
+++ b/arch/x86/include/asm/arch-baytrail/irq.h
@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2013 Google Inc.
+ * Copyright (C) 2016 Bin Meng <bmeng.cn@gmail.com>
+ *
+ * Modified from coreboot src/soc/intel/baytrail/include/soc/irq.h
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _BAYTRAIL_IRQ_H_
+#define _BAYTRAIL_IRQ_H_
+
+#define PIRQA_APIC_IRQ			16
+#define PIRQB_APIC_IRQ			17
+#define PIRQC_APIC_IRQ			18
+#define PIRQD_APIC_IRQ			19
+#define PIRQE_APIC_IRQ			20
+#define PIRQF_APIC_IRQ			21
+#define PIRQG_APIC_IRQ			22
+#define PIRQH_APIC_IRQ			23
+
+/* The below IRQs are for when devices are in ACPI mode */
+#define LPE_DMA0_IRQ			24
+#define LPE_DMA1_IRQ			25
+#define LPE_SSP0_IRQ			26
+#define LPE_SSP1_IRQ			27
+#define LPE_SSP2_IRQ			28
+#define LPE_IPC2HOST_IRQ		29
+#define LPSS_I2C1_IRQ			32
+#define LPSS_I2C2_IRQ			33
+#define LPSS_I2C3_IRQ			34
+#define LPSS_I2C4_IRQ			35
+#define LPSS_I2C5_IRQ			36
+#define LPSS_I2C6_IRQ			37
+#define LPSS_I2C7_IRQ			38
+#define LPSS_HSUART1_IRQ		39
+#define LPSS_HSUART2_IRQ		40
+#define LPSS_SPI_IRQ			41
+#define LPSS_DMA1_IRQ			42
+#define LPSS_DMA2_IRQ			43
+#define SCC_EMMC_IRQ			44
+#define SCC_SDIO_IRQ			46
+#define SCC_SD_IRQ			47
+#define GPIO_NC_IRQ			48
+#define GPIO_SC_IRQ			49
+#define GPIO_SUS_IRQ			50
+/* GPIO direct / dedicated IRQs */
+#define GPIO_S0_DED_IRQ_0		51
+#define GPIO_S0_DED_IRQ_1		52
+#define GPIO_S0_DED_IRQ_2		53
+#define GPIO_S0_DED_IRQ_3		54
+#define GPIO_S0_DED_IRQ_4		55
+#define GPIO_S0_DED_IRQ_5		56
+#define GPIO_S0_DED_IRQ_6		57
+#define GPIO_S0_DED_IRQ_7		58
+#define GPIO_S0_DED_IRQ_8		59
+#define GPIO_S0_DED_IRQ_9		60
+#define GPIO_S0_DED_IRQ_10		61
+#define GPIO_S0_DED_IRQ_11		62
+#define GPIO_S0_DED_IRQ_12		63
+#define GPIO_S0_DED_IRQ_13		64
+#define GPIO_S0_DED_IRQ_14		65
+#define GPIO_S0_DED_IRQ_15		66
+#define GPIO_S5_DED_IRQ_0		67
+#define GPIO_S5_DED_IRQ_1		68
+#define GPIO_S5_DED_IRQ_2		69
+#define GPIO_S5_DED_IRQ_3		70
+#define GPIO_S5_DED_IRQ_4		71
+#define GPIO_S5_DED_IRQ_5		72
+#define GPIO_S5_DED_IRQ_6		73
+#define GPIO_S5_DED_IRQ_7		74
+#define GPIO_S5_DED_IRQ_8		75
+#define GPIO_S5_DED_IRQ_9		76
+#define GPIO_S5_DED_IRQ_10		77
+#define GPIO_S5_DED_IRQ_11		78
+#define GPIO_S5_DED_IRQ_12		79
+#define GPIO_S5_DED_IRQ_13		80
+#define GPIO_S5_DED_IRQ_14		81
+#define GPIO_S5_DED_IRQ_15		82
+/* DIRQs - Two levels of expansion to evaluate to numeric constants for ASL */
+#define _GPIO_S0_DED_IRQ(slot)		GPIO_S0_DED_IRQ_##slot
+#define _GPIO_S5_DED_IRQ(slot)		GPIO_S5_DED_IRQ_##slot
+#define GPIO_S0_DED_IRQ(slot)		_GPIO_S0_DED_IRQ(slot)
+#define GPIO_S5_DED_IRQ(slot)		_GPIO_S5_DED_IRQ(slot)
+
+#endif /* _BAYTRAIL_IRQ_H_ */