diff --git a/src/soc/amd/stoneyridge/acpi/sb_pci0_fch.asl b/src/soc/amd/stoneyridge/acpi/sb_pci0_fch.asl
index e875f43f40..77c288b870 100644
--- a/src/soc/amd/stoneyridge/acpi/sb_pci0_fch.asl
+++ b/src/soc/amd/stoneyridge/acpi/sb_pci0_fch.asl
@@ -499,8 +499,8 @@ Method(FDDC, 2, Serialized)
 				}
 			}
 /* todo			Case(15) { STD0()} */ /* SATA */
-/* todo			Case(18) { U2D0()} */ /* EHCI */
-/* todo			Case(23) { U3D0()} */ /* XHCI */
+			Case(18) { U2D0()} /* EHCI */
+			Case(23) { U3D0()} /* XHCI */
 /* todo			Case(24) { SDD0()} */ /* SD   */
 		}
 	} else {
@@ -555,8 +555,8 @@ Method(FDDC, 2, Serialized)
 				Store(0x03, U1TD)
 			}
 /* todo			Case(15) { STD3()} */ /* SATA */
-/* todo			Case(18) { U2D3()} */ /* EHCI */
-/* todo			Case(23) { U3D3()} */ /* XHCI */
+			Case(18) { U2D3()} /* EHCI */
+			Case(23) { U3D3()} /* XHCI */
 /* todo			Case(24) { SDD3()} */ /* SD   */
 		}
 		/* Turn off Power */
diff --git a/src/soc/amd/stoneyridge/acpi/usb.asl b/src/soc/amd/stoneyridge/acpi/usb.asl
index 6c6ff9c9d0..f2ee8f6427 100644
--- a/src/soc/amd/stoneyridge/acpi/usb.asl
+++ b/src/soc/amd/stoneyridge/acpi/usb.asl
@@ -17,6 +17,7 @@
 /* 0:12.0 - EHCI */
 Device(EHC0) {
 	Name(_ADR, 0x00120000)
+	Name(_PRW, Package() { 0xb, 3 })
 	Device (RHUB) {
 		Name (_ADR, Zero)
 		Device (HS01) { Name (_ADR, 1) }
@@ -28,13 +29,364 @@ Device(EHC0) {
 		Device (HS07) { Name (_ADR, 7) }
 		Device (HS08) { Name (_ADR, 8) }
 	}
+
+	Name(_PR0, Package() { P0U2 }) /* Indicate support for D0 */
+	Name(_PR3, Package() { P3U2 }) /* Indicate support for D3cold */
+
+	Method(_S0W,0) {
+		Return(0)
+	}
+
+	Method(_S3W,0) {
+		Return(4)
+	}
+
+	Method(_S4W,0) {
+		Return(4)
+	}
 } /* end EHC0 */
 
 
 /* 0:10.0 - XHCI 0*/
 Device(XHC0) {
 	Name(_ADR, 0x00100000)
+	Name(_PRW, Package() { 0xb, 3 })
 	Device (SS01) { Name (_ADR, 1) }
 	Device (SS02) { Name (_ADR, 2) }
 	Device (SS03) { Name (_ADR, 3) }
+
+	Name(_PR0, Package() { P0U3 }) /* Indicate support for D0 */
+	Name(_PR3, Package() { P3U3 }) /* Indicate support for D3cold */
+
+	Method(_S0W,0) {
+		Return(0)
+	}
+
+	Method(_S3W,0) {
+		Return(4)
+	}
+
+	Method(_S4W,0) {
+		Return(4)
+	}
+
 } /* end XHC0 */
+
+Scope(\_SB)
+{
+	Name(XHD0, 0)
+	Name(XHD3, 0)
+	PowerResource(P0U3, 0, 0) {
+		Method(_STA) {
+			Return(XHD0)
+		}
+		Method(_ON) {
+			Store(0x01, XHD0)
+		}
+		Method(_OFF) {
+			Store(0x00, XHD0)
+		}
+	}
+	PowerResource(P3U3, 0, 0) {
+		Method(_STA) {
+			Return(XHD3)
+		}
+		Method(_ON) {
+			Store(0x01, XHD3)
+		}
+		Method(_OFF) {
+			Store(0x00, XHD3)
+		}
+	}
+
+	Name(EHD0, 0)
+	Name(EHD3, 0)
+	PowerResource(P0U2, 0, 0) {
+		Method(_STA) {
+			Return(EHD0)
+		}
+		Method(_ON) {
+			Store(0x01, EHD0)
+		}
+		Method(_OFF) {
+			Store(0x00, EHD0)
+		}
+	}
+	PowerResource(P3U2, 0, 0) {
+		Method(_STA) {
+			Return(EHD3)
+		}
+		Method(_ON) {
+			Store(0x01, EHD3)
+		}
+		Method(_OFF) {
+			Store(0x00, EHD3)
+		}
+	}
+}
+
+OperationRegion(EHMC, SystemMemory, EH10, 0x100)
+Field(EHMC, DwordAcc, NoLock, Preserve)
+{
+	Offset(0xb0),
+	, 5,
+	ESIM, 1,
+}
+
+Method(U2D3,0, Serialized)
+{
+	if (LNotEqual(EH10, Zero)) {
+		Store (EH10, EHBA)
+		Store (One, EHME)
+		Store (ESIM, SSIM)
+	}
+
+	if (LEqual(E_PS, 3)) {
+		Store (Zero, RQTY)
+		Store (One, RQ18)
+
+		Store (U2SR, Local0)
+		while (Local0) {
+			Store (U2SR, Local0)
+		}
+
+		Store (Zero, U2PD)
+
+		Store (U2DS, Local0)
+		while (LNotEqual(Local0, Zero)) {
+			Store (U2DS, Local0)
+		}
+
+		Store (0x03,U2TD)
+
+		if (LEqual(U3TD, 0x03)) { /* Shutdown USB2 PLL */
+		    PWGC (0x40, 0)
+		    Store (One, U2RP)
+		}
+	}
+}
+
+Method(U2D0,0, Serialized)
+{
+	PWGC (0x40, 1)
+	Store (Zero, U2RP)
+	Store (0x00,U2TD)
+
+	Store (Zero, U2TD)
+	Store (One, U2PD)
+
+	Store (U2DS, Local0)
+	while (LNotEqual(Local0,0x7)) {
+		Store (U2DS, Local0)
+	}
+
+	Store (One, RQTY)
+	Store (One, RQ18)
+	Store (U2SR, Local0)
+	while (LNot(Local0)) {
+		Store (U2SR, Local0)
+	}
+	Store (EHID, EH2C)
+
+
+	if (LNotEqual(EH10, Zero)) {
+		Store (EH10, EHBA)
+		Store (One, EHME)
+		Store (SSIM, ESIM)
+	}
+
+	Store (ES54, EH54)
+	Store (ES64, EH64)
+}
+
+Method(LXFW,3, Serialized)  //Load Xhci FirmWare
+{
+	Store (One, FWLM)  /* Firmware Load Mode */
+	Store (Arg0, ROAM) /* ROM/RAM */
+	Store (Arg1, UA04)
+	Store (Arg2, UA08)
+	Store (One, FPLS)    /* Firmware Preload Start */
+	Store (FPLC, Local0) /* Firmware Preload Complete */
+	while (LNot(Local0)) {
+		Store (FPLC, Local0)
+	}
+	Store (Zero, FPLS)
+}
+
+Method(U3D3,0, Serialized)
+{
+	if (LEqual(U_PS, 3)) {
+		X0_S ()
+
+		Or (PGA3, 0x20, PGA3) /* SwUsb3SlpShutdown */
+		And (PGA3, 0x20, Local0)
+		while (LNot(Local0)) { /* wait for it to complete */
+			And (PGA3, 0x20, Local0)
+		}
+		Store (One, UD3P) /* U3P_D3Cold_PWRDN */
+
+		Store (Zero, U3PD) /* PwrOnDev */
+		Store (U3DS, Local0)
+		while (Local0) { /* RstBState, RefClkOkState, PwrRstBState */
+			Store (U3DS, Local0)
+		}
+
+		Store (0x3, U3TD) /* TargetedDeviceState */
+
+		Store (One, U3RP) /* USB3_RefClk_Pwdn */
+
+		if (Lequal(U2TD, 0x3)) { /* If EHCI targeted in D3cold */
+			And (PGA3, 0x9f, PGA3) /* SwUsb2S5RstB */
+			Store (One, U2RP)      /* USB2_RefClk_Pwdn */
+		}
+		Store (Zero, U3PG) /* XhcPwrGood  */
+		Store (One, U3PS)  /* Usb3PowerSel */
+	}
+}
+
+Method(U3D0,0, Serialized)
+{
+	Store (Zero, U3PS) /* Usb3PowerSel */
+	Store (One, U3PG)  /* XhcPwrGood  */
+
+	Store (Zero, U2RP)
+	Store (Zero, U3RP)
+
+	And (PGA3, 0xdf, Local0)
+	Or (Local0, 0x40, Local0)
+	Store (Local0, PGA3) /* SwUsb2S5RstB */
+
+	Store (Zero, U3TD) /* TargetedDeviceState */
+	Store (One, U3PD)  /* PwrOnDev */
+
+	Store (U3DS, Local0) /* wait for RstBState, RefClkOkState, PwrRstBState */
+	while (LNot(Lequal(Local0, 0x7))) {
+		Store (U3DS, Local0)
+	}
+
+	Store (U3PY, Local0) /* USB3 PHY Lock */
+	while (LNot(Local0)) {
+		Store (U3PY, Local0)
+	}
+
+	Store (Zero, U3PR) /* U3P_RESTORE_RESET */
+
+	Store (AUSS, Local0) /* AutoSizeStart */
+	if (LNotEqual(Local0,1)) {
+		Store(One, AUSS)
+	}
+	Store (AUSS, Local0)
+	while (LNotEqual(Local0,1)) {
+		Store (AUSS, Local0)
+	}
+
+	LXFW (1, FW00, FW01)
+	LXFW (0, FW02, FW03)
+
+	X0_R ()
+
+	Store (One, U3PR)  /* U3P_RESTORE_RESET */
+	Store (Zero, UD3P) /* U3P_D3Cold_PWRDN */
+	Store (One, U3TD)  /* TargetedDeviceState */
+}
+
+Name (SVBF, Buffer (0x1000) {0})    /* length from FchCarrizo.asl, new fields */
+CreateDWordField(SVBF, 0x000, S000) /* will be easier to add from there */
+CreateDWordField(SVBF, 0x004, S004)
+CreateDWordField(SVBF, 0x008, S008)
+CreateDWordField(SVBF, 0x00C, S00C)
+CreateDWordField(SVBF, 0x018, S018)
+CreateDWordField(SVBF, 0x01C, S01C)
+CreateDWordField(SVBF, 0x020, S020)
+CreateDWordField(SVBF, 0x030, S030)
+CreateDWordField(SVBF, 0x118, S118)
+CreateDWordField(SVBF, 0x158, S158)
+CreateDWordField(SVBF, 0x198, S198)
+CreateDWordField(SVBF, 0x1D8, S1D8)
+CreateDWordField(SVBF, 0x300, S300)
+CreateDWordField(SVBF, 0x304, S304)
+CreateDWordField(SVBF, 0x308, S308)
+CreateDWordField(SVBF, 0x30C, S30C)
+CreateDWordField(SVBF, 0x310, S310)
+CreateDWordField(SVBF, 0x428, S428)
+CreateDWordField(SVBF, 0x438, S438)
+CreateDWordField(SVBF, 0x43C, S43C)
+CreateDWordField(SVBF, 0x458, S458)
+CreateDWordField(SVBF, 0x468, S468)
+CreateDWordField(SVBF, 0x46C, S46C)
+CreateDWordField(SVBF, 0x470, S470)
+CreateDWordField(SVBF, 0x480, S480)
+CreateDWordField(SVBF, 0x484, S484)
+CreateDWordField(SVBF, 0x488, S488)
+CreateDWordField(SVBF, 0x48C, S48C)
+CreateDWordField(SVBF, 0x730, EHID) /* EHCI SSID    */
+CreateDWordField(SVBF, 0x734, XHID) /* XHCI SSID    */
+CreateByteField(SVBF, 0x740, ES54)  /* EHCI PCIx54  */
+CreateByteField(SVBF, 0x741, ES64)  /* EHCI PCIx64  */
+CreateDWordField(SVBF, 0x7B0, SSIM) /* EHCI SIM BIT */
+
+Method(X0_S,0)
+{
+	Store (XH2C, XHID)
+	Store (0x00000000, IDEX) Store (DATA, S000)
+	Store (0x00000004, IDEX) Store (DATA, S004)
+	Store (0x00000008, IDEX) Store (DATA, S008)
+	Store (0x0000000c, IDEX) Store (DATA, S00C)
+	Store (0x00000018, IDEX) Store (DATA, S018)
+	Store (0x0000001c, IDEX) Store (DATA, S01C)
+	Store (0x00000020, IDEX) Store (DATA, S020)
+	Store (0x00000030, IDEX) Store (DATA, S030)
+	Store (0x00000118, IDEX) Store (DATA, S118)
+	Store (0x00000158, IDEX) Store (DATA, S158)
+	Store (0x00000198, IDEX) Store (DATA, S198)
+	Store (0x000001d8, IDEX) Store (DATA, S1D8)
+	Store (0x00000300, IDEX) Store (DATA, S300)
+	Store (0x00000304, IDEX) Store (DATA, S304)
+	Store (0x00000308, IDEX) Store (DATA, S308)
+	Store (0x0000030c, IDEX) Store (DATA, S30C)
+	Store (0x00000310, IDEX) Store (DATA, S310)
+	Store (0x40000028, IDEX) Store (DATA, S428)
+	Store (0x40000038, IDEX) Store (DATA, S438)
+	Store (0x4000003c, IDEX) Store (DATA, S43C)
+	Store (0x40000058, IDEX) Store (DATA, S458)
+	Store (0x40000068, IDEX) Store (DATA, S468)
+	Store (0x4000006c, IDEX) Store (DATA, S46C)
+	Store (0x40000070, IDEX) Store (DATA, S470)
+	Store (0x40000080, IDEX) Store (DATA, S480)
+	Store (0x40000084, IDEX) Store (DATA, S484)
+	Store (0x40000088, IDEX) Store (DATA, S488)
+	Store (0x4000008c, IDEX) Store (DATA, S48C)
+}
+
+Method(X0_R,0)
+{
+	Store (XHID, XH2C)
+	Store (0x00000000, IDEX) Store (S000, DATA)
+	Store (0x00000004, IDEX) Store (S004, DATA)
+	Store (0x00000008, IDEX) Store (S008, DATA)
+	Store (0x0000000c, IDEX) Store (S00C, DATA)
+	Store (0x00000018, IDEX) Store (S018, DATA)
+	Store (0x0000001c, IDEX) Store (S01C, DATA)
+	Store (0x00000020, IDEX) Store (S020, DATA)
+	Store (0x00000030, IDEX) Store (S030, DATA)
+	Store (0x00000118, IDEX) Store (S118, DATA)
+	Store (0x00000158, IDEX) Store (S158, DATA)
+	Store (0x00000198, IDEX) Store (S198, DATA)
+	Store (0x000001d8, IDEX) Store (S1D8, DATA)
+	Store (0x00000300, IDEX) Store (S300, DATA)
+	Store (0x00000304, IDEX) Store (S304, DATA)
+	Store (0x00000308, IDEX) Store (S308, DATA)
+	Store (0x0000030c, IDEX) Store (S30C, DATA)
+	Store (0x00000310, IDEX) Store (S310, DATA)
+	Store (0x40000028, IDEX) Store (S428, DATA)
+	Store (0x40000038, IDEX) Store (S438, DATA)
+	Store (0x4000003c, IDEX) Store (S43C, DATA)
+	Store (0x40000058, IDEX) Store (S458, DATA)
+	Store (0x40000068, IDEX) Store (S468, DATA)
+	Store (0x4000006c, IDEX) Store (S46C, DATA)
+	Store (0x40000070, IDEX) Store (S470, DATA)
+	Store (0x40000080, IDEX) Store (S480, DATA)
+	Store (0x40000084, IDEX) Store (S484, DATA)
+	Store (0x40000088, IDEX) Store (S488, DATA)
+	Store (0x4000008c, IDEX) Store (S48C, DATA)
+}