Remove ESPI config and enable LPC decodes for EC command and debug

Change-Id: I301829fc67fc1b255cf1a6f468a5433b64e03828

.gitmodules

@@ -1,62 +1,62 @@
 [submodule "3rdparty/blobs"]
 	path = 3rdparty/blobs
-	url = ../blobs.git
+	url = https://review.coreboot.org/blobs.git
 	update = none
 	ignore = dirty
 [submodule "util/nvidia-cbootimage"]
 	path = util/nvidia/cbootimage
-	url = ../nvidia-cbootimage.git
+	url = https://review.coreboot.org/nvidia-cbootimage.git
 [submodule "vboot"]
 	path = 3rdparty/vboot
-	url = ../vboot.git
+	url = https://review.coreboot.org/vboot.git
 	branch = main
 [submodule "arm-trusted-firmware"]
 	path = 3rdparty/arm-trusted-firmware
-	url = ../arm-trusted-firmware.git
+	url = https://review.coreboot.org/arm-trusted-firmware.git
 [submodule "3rdparty/chromeec"]
 	path = 3rdparty/chromeec
-	url = ../chrome-ec.git
+	url = https://review.coreboot.org/chrome-ec.git
 [submodule "libhwbase"]
 	path = 3rdparty/libhwbase
-	url = ../libhwbase.git
+	url = https://review.coreboot.org/libhwbase.git
 [submodule "libgfxinit"]
 	path = 3rdparty/libgfxinit
-	url = ../libgfxinit.git
+	url = https://review.coreboot.org/libgfxinit.git
 [submodule "3rdparty/fsp"]
 	path = 3rdparty/fsp
-	url = ../fsp.git
+	url = https://review.coreboot.org/fsp.git
 	update = none
 	ignore = dirty
 [submodule "opensbi"]
 	path = 3rdparty/opensbi
-	url = ../opensbi.git
+	url = https://review.coreboot.org/opensbi.git
 [submodule "intel-microcode"]
 	path = 3rdparty/intel-microcode
-	url = ../intel-microcode.git
+	url = https://review.coreboot.org/intel-microcode.git
 	update = none
 	ignore = dirty
 	branch = main
 [submodule "3rdparty/ffs"]
 	path = 3rdparty/ffs
-	url = ../ffs.git
+	url = https://review.coreboot.org/ffs.git
 [submodule "3rdparty/amd_blobs"]
 	path = 3rdparty/amd_blobs
-	url = ../amd_blobs
+	url = https://review.coreboot.org/amd_blobs
 	update = none
 	ignore = dirty
 [submodule "3rdparty/cmocka"]
 	path = 3rdparty/cmocka
-	url = ../cmocka.git
+	url = https://review.coreboot.org/cmocka.git
 	update = none
 [submodule "3rdparty/qc_blobs"]
 	path = 3rdparty/qc_blobs
-	url = ../qc_blobs.git
+	url = https://review.coreboot.org/qc_blobs.git
 	update = none
 	ignore = dirty
 [submodule "3rdparty/intel-sec-tools"]
 	path = 3rdparty/intel-sec-tools
-	url = ../9esec-security-tooling.git
+	url = https://review.coreboot.org/9esec-security-tooling.git
 [submodule "3rdparty/stm"]
 	path = 3rdparty/stm
-	url = ../STM
+	url = https://review.coreboot.org/STM
 	branch = stmpe

src/drivers/gfx/nvidia/Kconfig

@@ -0,0 +1,10 @@
+config DRIVERS_GFX_NVIDIA
+	bool
+	default n
+	help
+	  Support for NVIDIA Optimus with GC6 3.0
+
+config DRIVERS_GFX_NVIDIA_BRIDGE
+	hex "PCI bridge for the GPU device"
+	default 0x01
+	depends on DRIVERS_GFX_NVIDIA

src/drivers/gfx/nvidia/Makefile.inc

@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
+romstage-$(CONFIG_DRIVERS_GFX_NVIDIA) += romstage.c
+
+ramstage-$(CONFIG_DRIVERS_GFX_NVIDIA) += nvidia.c

src/drivers/gfx/nvidia/acpi/coffeelake.asl

@@ -0,0 +1,96 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* NVIDIA GC6 on CFL and CML CPU PCIe ports */
+
+// Memory mapped PCI express config space
+OperationRegion (PCIC, SystemMemory, CONFIG_ECAM_MMCONF_BASE_ADDRESS + (CONFIG_DRIVERS_GFX_NVIDIA_BRIDGE << 15), 0x1000)
+
+Field (PCIC, ByteAcc, NoLock, Preserve) {
+	PVID,   16,
+	PDID,   16,
+
+	Offset (0x248),
+		,   7,
+	L23E,   1,      /* L23_Rdy Entry Request */
+	L23R,   1,      /* L23_Rdy to Detect Transition */
+
+	Offset (0xC20),
+		,   4,
+	P0AP,   2,      /* Additional power savings */
+
+	Offset (0xC38),
+		,   3,
+	P0RM,   1,      /* Robust squelch mechanism */
+}
+
+// Enter L23
+Method (DL23, 0, Serialized) {
+	Printf("      GPU PORT DL23 START")
+
+	L23E = 1
+	Sleep (16)
+	Local0 = 0
+	While (L23E) {
+		If ((Local0 > 4)) {
+			Break
+		}
+
+		Sleep (16)
+		Local0++
+	}
+
+	P0RM = 1
+	P0AP = 3
+
+	Printf("      GPU PORT DL23 FINISH")
+}
+
+// Exit L23
+Method (L23D, 0, Serialized) {
+	Printf("      GPU PORT L23D START")
+
+	L23R = 1
+	Sleep (16)
+	Local0 = 0
+	While (L23R) {
+		If ((Local0 > 4)) {
+			Break
+		}
+
+		Sleep (16)
+		Local0++
+	}
+
+	P0RM = 0
+	P0AP = 0
+
+	Printf("      GPU PORT L23D FINISH")
+}
+
+// Main power resource
+PowerResource (PWRR, 0, 0) {
+	Name (_STA, 1)
+
+	Method (_ON, 0, Serialized) {
+		Printf("GPU PORT PWRR._ON")
+
+		^^DEV0._ON()
+
+		_STA = 1
+	}
+
+	Method (_OFF, 0, Serialized) {
+		Printf("GPU PORT PWRR._OFF")
+
+		^^DEV0._OFF()
+
+		_STA = 0
+	}
+}
+
+// Power resources for entering D0
+Name (_PR0, Package () { PWRR })
+
+// Power resources for entering D3
+Name (_PR3, Package () { PWRR })
+
+#include "common/gpu.asl"

src/drivers/gfx/nvidia/acpi/common/dsm.asl

@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#define NV_ERROR_SUCCESS 0x0
+#define NV_ERROR_UNSPECIFIED 0x80000001
+#define NV_ERROR_UNSUPPORTED 0x80000002
+
+#include "nvjt.asl"
+
+Method (_DSM, 4, Serialized) {
+	Printf("GPU _DSM")
+	If (Arg0 == ToUUID (JT_DSM_GUID)) {
+		If (ToInteger(Arg1) >= JT_REVISION_ID_MIN) {
+			Return (NVJT(Arg2, Arg3))
+		} Else {
+			Printf("  Unsupported JT revision: %o", SFST(Arg1))
+			Return (NV_ERROR_UNSUPPORTED)
+		}
+	} Else {
+		Printf("  Unsupported GUID: %o", IDST(Arg0))
+		Return (NV_ERROR_UNSPECIFIED)
+	}
+}

src/drivers/gfx/nvidia/acpi/common/gpu.asl

@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+Device (DEV0) {
+	Name(_ADR, 0x00000000)
+
+	#include "utility.asl"
+	#include "dsm.asl"
+	#include "power.asl"
+}

src/drivers/gfx/nvidia/acpi/common/nvjt.asl

@@ -0,0 +1,152 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#define JT_DSM_GUID "CBECA351-067B-4924-9CBD-B46B00B86F34"
+#define JT_REVISION_ID_MIN 0x00000100
+#define JT_REVISION_ID_MAX 0x00000200
+#define JT_FUNC_SUPPORT 0x00000000
+#define JT_FUNC_CAPS 0x00000001
+#define JT_FUNC_POWERCONTROL 0x00000003
+
+//TODO: SMI traps and EGIN/XCLM
+#define JT_GPC_GSS 0 // Get current GPU GCx sleep status
+#define JT_GPC_EGNS 1 // Enter GC6 without self-refresh
+#define JT_GPC_EGIS 2 // Enter GC6 with self-refresh
+#define JT_GPC_XGXS 3 // Exit GC6 and stop self-refresh
+#define JT_GPC_XGIS 4 // Exit GC6 for self-refresh update
+
+#define JT_DFGC_NONE 0 // Handle request immediately
+#define JT_DFGC_DEFER 1 // Defer GPC and GPCX
+//TODO #define JT_DFGC_CLEAR 2 // Clear pending requests
+
+// Deferred GC6 enter/exit until D3-cold (saved DFGC)
+Name(DFEN, 0)
+
+// Deferred GC6 enter control (saved GPC)
+Name(DFCI, 0)
+
+// Deferred GC6 exit control (saved GPCX)
+Name(DFCO, 0)
+
+Method (NVJT, 2, Serialized) {
+	Printf("  GPU NVJT")
+	Switch (ToInteger(Arg0)) {
+		Case (JT_FUNC_SUPPORT) {
+			Printf("    Supported Functions")
+			Return(ITOB(
+				(1 << JT_FUNC_SUPPORT) |
+				(1 << JT_FUNC_CAPS) |
+				(1 << JT_FUNC_POWERCONTROL)
+			))
+		}
+		Case (JT_FUNC_CAPS) {
+			Printf("    Capabilities")
+			Return(ITOB(
+				(1 << 0) | // G-SYNC NSVR power-saving features are enabled
+				(1 << 1) | // NVSR disabled
+				(2 << 3) | // Panel power and backlight are on the suspend rail
+				(0 << 5) | // self-refresh controller remains powered while panel is powered
+				(0 << 6) | // FB is not on the suspend rail but is powered on in GC6
+				(0 << 8) | // Combined power rail for all GPUs
+				(0 << 10) | // External SPI ROM
+				(1 << 11) | // No SMI handler for kernel panic exit while in GC6
+				(0 << 12) | // Supports notify on GC6 state done
+				(1 << 13) | // Support deferred GC6
+				(1 << 14) | // Support fine-grained root port control
+				(2 << 15) | // GC6 version is GC6-R
+				(0 << 17) | // GC6 exit ISR is not supported
+				(0 << 18) | // GC6 self wakeup not supported
+				(JT_REVISION_ID_MAX << 20) // Highest revision supported
+			))
+		}
+		Case (JT_FUNC_POWERCONTROL) {
+			Printf("    Power Control: %o", SFST(Arg1))
+
+			CreateField (Arg1, 0, 3, GPC) // GPU power control
+			CreateField (Arg1, 4, 1, PPC) // Panel power control
+			CreateField (Arg1, 14, 2, DFGC) // Defer GC6 enter/exit until D3 cold
+			CreateField (Arg1, 16, 3, GPCX) // Deferred GC6 exit control
+
+			// Save deferred GC6 request
+			If ((ToInteger(GPC) != 0) || (ToInteger(DFGC) != 0)) {
+				DFEN = DFGC
+				DFCI = GPC
+				DFCO = GPCX
+			}
+
+			// Buffer to cache current state
+			Name (JTBF, Buffer (4) { 0, 0, 0, 0 })
+			CreateField (JTBF, 0, 3, CGCS) // Current GC state
+			CreateField (JTBF, 3, 1, CGPS) // Current GPU power status
+			CreateField (JTBF, 7, 1, CPSS) // Current panel and SRC state (0 when on)
+
+			// If doing deferred GC6 request, return now
+			If (ToInteger(DFGC) != 0) {
+				CGCS = 1
+				CGPS = 1
+				Return (JTBF)
+			}
+
+			// Apply requested state
+			Switch (ToInteger(GPC)) {
+				Case (JT_GPC_GSS) {
+					Printf("    Get current GPU GCx sleep status")
+					//TODO: include transitions!
+					If (GTXS(DGPU_RST_N)) {
+						// GPU powered on
+						CGCS = 1
+						CGPS = 1
+					} ElseIf (GTXS(DGPU_PWR_EN)) {
+						// GPU powered off, GC6
+						CGCS = 3
+						CGPS = 0
+					} Else {
+						// GPU powered off, D3 cold
+						CGCS = 2
+						CGPS = 0
+					}
+				}
+				Case (JT_GPC_EGNS) {
+					Printf("    Enter GC6 without self-refresh")
+					GC6I()
+					CPSS = 1
+				}
+				Case (JT_GPC_EGIS) {
+					Printf("    Enter GC6 with self-refresh")
+					GC6I()
+					If (ToInteger(PPC) == 0) {
+						CPSS = 0
+					}
+				}
+				Case (JT_GPC_XGXS) {
+					Printf("    Exit GC6 and stop self-refresh")
+					GC6O()
+
+					CGCS = 1
+					CGPS = 1
+					If (ToInteger(PPC) != 0) {
+						CPSS = 0
+					}
+				}
+				Case (JT_GPC_XGIS) {
+					Printf("    Exit GC6 for self-refresh update")
+					GC6O()
+
+					CGCS = 1
+					CGPS = 1
+					If (ToInteger(PPC) != 0) {
+						CPSS = 0
+					}
+				}
+				Default {
+					Printf("    Unsupported GPU power control: %o", SFST(GPC))
+				}
+			}
+
+			Return (JTBF)
+		}
+		Default {
+			Printf("    Unsupported function: %o", SFST(Arg0))
+			Return (NV_ERROR_UNSUPPORTED)
+		}
+	}
+}

src/drivers/gfx/nvidia/acpi/common/power.asl

@@ -0,0 +1,120 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+//TODO: evaluate sleeps
+
+OperationRegion (PCIC, PCI_Config, 0x00, 0xFF)
+Field (PCIC, DwordAcc, NoLock, Preserve) {
+	Offset (0x40),
+	SSID, 32, // Subsystem vendor and product ID
+}
+
+// Enter GC6
+Method(GC6I, 0, Serialized) {
+	Printf("    GPU GC6I START")
+
+	// Enter L23
+	^^DL23()
+	Sleep(5)
+
+	// Put GPU into reset
+	Printf("      Put GPU into reset")
+	CTXS(DGPU_RST_N)
+	Sleep(5)
+
+	Printf("    GPU GC6I FINISH")
+}
+
+// Exit GC6
+Method(GC6O, 0, Serialized) {
+	Printf("    GPU GC6O START")
+
+	// Bring GPU out of reset
+	Printf("      Bring GPU out of reset")
+	STXS(DGPU_RST_N)
+	Sleep(5)
+
+	// Exit L23
+	^^L23D()
+	Sleep(5)
+
+	Printf("    GPU GC6O FINISH")
+}
+
+Method (_ON, 0, Serialized) {
+	Printf("  GPU _ON START")
+
+	If (DFEN == JT_DFGC_DEFER) {
+		Switch (ToInteger(DFCO)) {
+			Case (JT_GPC_XGXS) {
+				Printf("    Exit GC6 and stop self-refresh")
+				GC6O()
+			}
+			Default {
+				Printf("    Unsupported DFCO: %o", SFST(DFCO))
+			}
+		}
+		DFEN = JT_DFGC_NONE
+	} Else {
+		Printf("    Standard RTD3 power on")
+		STXS(DGPU_PWR_EN)
+		Sleep(5)
+		GC6O()
+	}
+
+	Printf("  GPU _ON FINISH")
+}
+
+Method (_OFF, 0, Serialized) {
+	Printf("  GPU _OFF START")
+
+	If (DFEN == JT_DFGC_DEFER) {
+		Switch (ToInteger(DFCI)) {
+			Case (JT_GPC_EGNS) {
+				Printf("    Enter GC6 without self-refresh")
+				GC6I()
+			}
+			Case (JT_GPC_EGIS) {
+				Printf("    Enter GC6 with self-refresh")
+				GC6I()
+			}
+			Default {
+				Printf("    Unsupported DFCI: %o", SFST(DFCI))
+			}
+		}
+		DFEN = JT_DFGC_NONE
+	} Else {
+		Printf("    Standard RTD3 power off")
+		GC6I()
+		CTXS(DGPU_PWR_EN)
+		Sleep(5)
+	}
+
+	Printf("  GPU _OFF FINISH")
+}
+
+// Main power resource
+PowerResource (PWRR, 0, 0) {
+	Name (_STA, 1)
+
+	Method (_ON, 0, Serialized) {
+		Printf("GPU PWRR._ON")
+
+		// Restore SSID
+		^^SSID = DGPU_SSID
+		Printf("  Restore SSID: %o", SFST(^^SSID))
+
+		_STA = 1
+	}
+
+	Method (_OFF, 0, Serialized) {
+		Printf("GPU PWRR._OFF")
+
+		_STA = 0
+	}
+}
+
+// Power resources for entering D0
+Name (_PR0, Package () { PWRR })
+
+// Power resources for entering D3
+Name (_PR3, Package () { PWRR })

src/drivers/gfx/nvidia/acpi/common/utility.asl

@@ -0,0 +1,63 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+// Convert a byte to a hex string, trimming extra parts
+Method (BHEX, 1) {
+	Local0 = ToHexString(Arg0)
+	Return (Mid(Local0, SizeOf(Local0) - 2, 2))
+}
+
+// UUID to string
+Method (IDST, 1) {
+	Local0 = ""
+	Fprintf(
+		Local0,
+		"%o%o%o%o-%o%o-%o%o-%o%o-%o%o%o%o%o%o",
+		BHEX(DerefOf(Arg0[3])),
+		BHEX(DerefOf(Arg0[2])),
+		BHEX(DerefOf(Arg0[1])),
+		BHEX(DerefOf(Arg0[0])),
+		BHEX(DerefOf(Arg0[5])),
+		BHEX(DerefOf(Arg0[4])),
+		BHEX(DerefOf(Arg0[7])),
+		BHEX(DerefOf(Arg0[6])),
+		BHEX(DerefOf(Arg0[8])),
+		BHEX(DerefOf(Arg0[9])),
+		BHEX(DerefOf(Arg0[10])),
+		BHEX(DerefOf(Arg0[11])),
+		BHEX(DerefOf(Arg0[12])),
+		BHEX(DerefOf(Arg0[13])),
+		BHEX(DerefOf(Arg0[14])),
+		BHEX(DerefOf(Arg0[15]))
+	)
+	Return (Local0)
+}
+
+// Safe hex conversion, checks type first
+Method (SFST, 1) {
+	Local0 = ObjectType(Arg0)
+	If (Local0 == 1 || Local0 == 2 || Local0 == 3) {
+		Return (ToHexString(Arg0))
+	} Else {
+		Return (Concatenate("Type: ", Arg0))
+	}
+}
+
+// Convert from 4-byte buffer to 32-bit integer
+Method (BTOI, 1) {
+	Return(
+		DerefOf(Arg0[0]) |
+		(DerefOf(Arg0[1]) << 8) |
+		(DerefOf(Arg0[2]) << 16) |
+		(DerefOf(Arg0[3]) << 24)
+	)
+}
+
+// Convert from 32-bit integer to 4-byte buffer
+Method (ITOB, 1) {
+	Local0 = Buffer(4) { 0, 0, 0, 0 }
+	Local0[0] = Arg0 & 0xFF
+	Local0[1] = (Arg0 >> 8) & 0xFF
+	Local0[2] = (Arg0 >> 16) & 0xFF
+	Local0[3] = (Arg0 >> 24) & 0xFF
+	Return (Local0)
+}

src/drivers/gfx/nvidia/acpi/tigerlake.asl

@@ -0,0 +1,140 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* NVIDIA GC6 on (TGL and ADL) (CPU and PCH) PCIe ports */
+
+// Port mapped PCI express config space
+OperationRegion (PCIC, PCI_Config, 0x00, 0xFF)
+
+Field (PCIC, AnyAcc, NoLock, Preserve) {
+	Offset(0x52),  /* LSTS - Link Status Register */
+	, 13,
+	LASX, 1,       /* 0, Link Active Status */
+
+	Offset(0x60),  /* RSTS - Root Status Register */
+	, 16,
+	PSPX, 1,       /* 16,  PME Status */
+
+	Offset(0xD8),  /* 0xD8, MPC - Miscellaneous Port Configuration Register */
+	, 30,
+	HPEX, 1,       /* 30,  Hot Plug SCI Enable */
+	PMEX, 1,       /* 31,  Power Management SCI Enable */
+
+	Offset (0xE0), /* 0xE0, SPR - Scratch Pad Register */
+	SCB0, 1,       /* Scratch bit 0 */
+
+	Offset(0xE2),  /* 0xE2, RPPGEN - Root Port Power Gating Enable */
+	, 2,
+	L23E, 1,       /* 2,   L23_Rdy Entry Request (L23ER) */
+	L23R, 1,       /* 3,   L23_Rdy to Detect Transition (L23R2DT) */
+}
+
+Field (PCIC, AnyAcc, NoLock, WriteAsZeros) {
+	Offset(0xDC),  /* 0xDC, SMSCS - SMI/SCI Status Register */
+	, 30,
+	HPSX, 1,       /* 30,  Hot Plug SCI Status */
+	PMSX, 1        /* 31,  Power Management SCI Status */
+}
+
+// Enter L23
+Method (DL23, 0, Serialized) {
+	Printf("      GPU PORT DL23 START")
+
+	L23E = 1
+	Sleep (16)
+	Local0 = 0
+	While (L23E) {
+		If ((Local0 > 4)) {
+			Break
+		}
+
+		Sleep (16)
+		Local0++
+	}
+	SCB0 = 1
+
+	Printf("      GPU PORT DL23 FINISH")
+}
+
+// Exit L23
+Method (L23D, 0, Serialized) {
+	Printf("      GPU PORT L23D START")
+
+	If ((SCB0 == 1)) {
+		L23R = 1
+		Local0 = 0
+		While (L23R) {
+			If ((Local0 > 4)) {
+				Break
+			}
+			Sleep (16)
+			Local0++
+		}
+
+		SCB0 = 0
+		Local0 = 0
+		While ((LASX == 0)) {
+			If ((Local0 > 8)) {
+				Break
+			}
+			Sleep (16)
+			Local0++
+		}
+	}
+
+	Printf("      GPU PORT L23D FINISH")
+}
+
+Method (HPME, 0, Serialized) {
+	Printf("  GPU PORT HPME START")
+
+	If (PMSX == 1) {
+		Printf("    Notify GPU driver of PME SCI")
+		Notify(DEV0, 0x2)
+		Printf("    Clear PME SCI")
+		PMSX = 1
+		Printf("    Consume PME notification")
+		PSPX = 1
+	}
+
+	Printf("  GPU PORT HPME FINISH")
+}
+
+// Main power resource
+PowerResource (PWRR, 0, 0) {
+	Name (_STA, 1)
+
+	Method (_ON, 0, Serialized) {
+		Printf("GPU PORT PWRR._ON")
+
+		HPME();
+		If (PMEX == 1) {
+			Printf("  Disable power management SCI")
+			PMEX = 0
+		}
+
+		^^DEV0._ON()
+
+		_STA = 1
+	}
+
+	Method (_OFF, 0, Serialized) {
+		Printf("GPU PORT PWRR._OFF")
+
+		^^DEV0._OFF()
+
+		If (PMEX == 0) {
+			Printf("  Enable power management SCI")
+			PMEX = 1
+			HPME()
+		}
+
+		_STA = 0
+	}
+}
+
+// Power resources for entering D0
+Name (_PR0, Package () { PWRR })
+
+// Power resources for entering D3
+Name (_PR3, Package () { PWRR })
+
+#include "common/gpu.asl"

src/drivers/gfx/nvidia/chip.h

@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef _DRIVERS_GFX_NVIDIA_CHIP_H_
+#define _DRIVERS_GFX_NVIDIA_CHIP_H_
+
+struct drivers_gfx_nvidia_config {
+	/* TODO: Set GPIOs in devicetree? */
+};
+
+#endif /* _DRIVERS_GFX_NVIDIA_CHIP_H_ */

src/drivers/gfx/nvidia/gpu.h

@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef _DRIVERS_GFX_NVIDIA_GPU_H_
+#define _DRIVERS_GFX_NVIDIA_GPU_H_
+
+#include <stdbool.h>
+
+struct nvidia_gpu_config {
+	/* GPIO for GPU_PWR_EN */
+	unsigned int power_gpio;
+	/* GPIO for GPU_RST# */
+	unsigned int reset_gpio;
+	/* Enable or disable GPU power */
+	bool enable;
+};
+
+void nvidia_set_power(const struct nvidia_gpu_config *config);
+
+#endif /* _DRIVERS_NVIDIA_GPU_H_ */

src/drivers/gfx/nvidia/nvidia.c

@@ -0,0 +1,67 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include "chip.h"
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+
+#define NVIDIA_SUBSYSTEM_ID_OFFSET 0x40
+
+static void nvidia_read_resources(struct device *dev)
+{
+	printk(BIOS_DEBUG, "%s: %s\n", __func__, dev_path(dev));
+
+	pci_dev_read_resources(dev);
+
+	// Find all BARs on GPU, mark them above 4g if prefetchable
+	for (int bar = PCI_BASE_ADDRESS_0; bar <= PCI_BASE_ADDRESS_5; bar += 4) {
+		struct resource *res = probe_resource(dev, bar);
+
+		if (res) {
+			if (res->flags & IORESOURCE_PREFETCH) {
+				printk(BIOS_INFO, "  BAR at 0x%02x marked above 4g\n", bar);
+				res->flags |= IORESOURCE_ABOVE_4G;
+			} else {
+				printk(BIOS_DEBUG, "  BAR at 0x%02x not prefetch\n", bar);
+			}
+		} else {
+			printk(BIOS_DEBUG, "  BAR at 0x%02x not found\n", bar);
+		}
+	}
+}
+
+static void nvidia_set_subsystem(struct device *dev, unsigned int vendor, unsigned int device)
+{
+	pci_write_config32(dev, NVIDIA_SUBSYSTEM_ID_OFFSET,
+		((device & 0xffff) << 16) | (vendor & 0xffff));
+}
+
+static struct pci_operations nvidia_device_ops_pci = {
+	.set_subsystem = nvidia_set_subsystem,
+};
+
+static struct device_operations nvidia_device_ops = {
+	.read_resources   = nvidia_read_resources,
+	.set_resources    = pci_dev_set_resources,
+	.enable_resources = pci_dev_enable_resources,
+#if CONFIG(HAVE_ACPI_TABLES)
+	.write_acpi_tables = pci_rom_write_acpi_tables,
+	.acpi_fill_ssdt    = pci_rom_ssdt,
+#endif
+	.init             = pci_dev_init,
+	.ops_pci          = &nvidia_device_ops_pci,
+
+};
+
+static void nvidia_enable(struct device *dev)
+{
+	if (!dev->enabled || dev->path.type != DEVICE_PATH_PCI)
+		return;
+
+	dev->ops = &nvidia_device_ops;
+}
+
+struct chip_operations drivers_gfx_nvidia_ops = {
+	CHIP_NAME("NVIDIA Optimus graphics device")
+	.enable_dev = nvidia_enable
+};

src/drivers/gfx/nvidia/romstage.c

@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <console/console.h>
+#include <delay.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <gpio.h>
+#include "chip.h"
+#include "gpu.h"
+
+void nvidia_set_power(const struct nvidia_gpu_config *config)
+{
+	if (!config->power_gpio || !config->reset_gpio) {
+		printk(BIOS_ERR, "%s: GPU_PWR_EN and GPU_RST# must be set\n", __func__);
+		return;
+	}
+
+	printk(BIOS_DEBUG, "%s: GPU_PWR_EN = %d\n", __func__, config->power_gpio);
+	printk(BIOS_DEBUG, "%s: GPU_RST# = %d\n", __func__, config->reset_gpio);
+
+	gpio_set(config->reset_gpio, 0);
+	mdelay(4);
+
+	if (config->enable) {
+		gpio_set(config->power_gpio, 1);
+		mdelay(4);
+		gpio_set(config->reset_gpio, 1);
+	} else {
+		gpio_set(config->power_gpio, 0);
+	}
+
+	mdelay(4);
+}

src/ec/system76/ec/acpi/s76.asl

@@ -10,6 +10,8 @@
 Device (S76D) {
 	Name (_HID, "17761776")
 	Name (_UID, 0)
+	/* Hide the device so that Windows does not complain on missing driver */
+	Name (_STA, 0xB)
 
 	Method (RSET, 0, Serialized) {
 		Debug = "S76D: RSET"

src/include/cpu/intel/cpu_ids.h

@@ -44,7 +44,8 @@
 #define CPUID_COMETLAKE_H_S_6_2_G0	0xa0650
 #define CPUID_COMETLAKE_H_S_6_2_G1	0xa0653
 #define CPUID_COMETLAKE_H_S_10_2_P0	0xa0651
-#define CPUID_COMETLAKE_H_S_10_2_Q0_P1	0xa0654
+#define CPUID_COMETLAKE_H_S_10_2_P1	0xa0654
+#define CPUID_COMETLAKE_H_S_10_2_Q0	0xa0655
 #define CPUID_TIGERLAKE_A0		0x806c0
 #define CPUID_TIGERLAKE_B0		0x806c1
 #define CPUID_TIGERLAKE_R0		0x806d1

src/include/smbios.h

@@ -730,7 +730,13 @@ enum misc_slot_type {
 	SlotTypePciExpressGen4x2 = 0xBA,
 	SlotTypePciExpressGen4x4 = 0xBB,
 	SlotTypePciExpressGen4x8 = 0xBC,
-	SlotTypePciExpressGen4x16 = 0xBD
+	SlotTypePciExpressGen4x16 = 0xBD,
+	SlotTypePciExpressGen5 = 0xBE,
+	SlotTypePciExpressGen5x1 = 0xBF,
+	SlotTypePciExpressGen5x2 = 0xC0,
+	SlotTypePciExpressGen5x4 = 0xC1,
+	SlotTypePciExpressGen5x8 = 0xC2,
+	SlotTypePciExpressGen5x16 = 0xC3,
 };
 
 /* System Slots - Slot Data Bus Width. */

src/mainboard/system76/addw1/Kconfig

@@ -3,6 +3,7 @@ if BOARD_SYSTEM76_ADDW1 || BOARD_SYSTEM76_ADDW2
 config BOARD_SPECIFIC_OPTIONS
 	def_bool y
 	select BOARD_ROMSIZE_KB_16384
+	select DRIVERS_GFX_NVIDIA
 	select DRIVERS_I2C_HID
 	select DRIVERS_I2C_TAS5825M
 	select EC_SYSTEM76_EC
@@ -62,6 +63,9 @@ config ONBOARD_VGA_IS_PRIMARY
 config UART_FOR_CONSOLE
 	default 2
 
+config MAX_CPUS
+	default 16
+
 config DIMM_MAX
 	default 2
 

src/mainboard/system76/addw1/Makefile.inc

@@ -1,4 +1,4 @@
-CPPFLAGS_common += -I$(src)/mainboard/$(MAINBOARDDIR)/include
+CPPFLAGS_common += -I$(src)/mainboard/$(MAINBOARDDIR)/variants/$(VARIANT_DIR)/include
 
 bootblock-y += bootblock.c
 bootblock-y += variants/$(VARIANT_DIR)/gpio_early.c

src/mainboard/system76/addw1/acpi/mainboard.asl

@@ -1,11 +1,19 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
+#include <variant/gpio.h>
+
 #define EC_GPE_SCI 0x03 /* GPP_K3 */
 #define EC_GPE_SWI 0x06 /* GPP_K6 */
 #include <ec/system76/ec/acpi/ec.asl>
 
 Scope (\_SB) {
 	#include "sleep.asl"
+	Scope (PCI0) {
+		Device (PEGP) {
+			Name (_ADR, CONFIG_DRIVERS_GFX_NVIDIA_BRIDGE << 16)
+			#include <drivers/gfx/nvidia/acpi/coffeelake.asl>
+		}
+	}
 }
 
 Scope (\_GPE) {

src/mainboard/system76/addw1/cmos.layout

@@ -14,7 +14,7 @@ entries
 412	4	e	6	debug_level
 416	1	e	2	me_state
 417	3	h	0	me_state_counter
-984	16	h	0	check_sum
+976	16	h	0	check_sum
 
 enumerations
 
@@ -36,4 +36,4 @@ enumerations
 
 checksums
 
-checksum 408 983 984
+checksum 408 975 976

src/mainboard/system76/addw1/devicetree.cb

@@ -58,6 +58,13 @@ chip soc/intel/cannonlake
 			# PCI Express Graphics #0 x16, Clock 8 (NVIDIA GPU)
 			register "PcieClkSrcUsage[8]" = "0x40"
 			register "PcieClkSrcClkReq[8]" = "8"
+
+			chip drivers/gfx/nvidia
+				device pci 00.0 on end # VGA controller
+				device pci 00.1 on end # Audio device
+				device pci 00.2 on end # USB xHCI Host controller
+				device pci 00.3 on end # USB Type-C UCSI controller
+			end
 		end
 		device pci 02.0 on  end # Integrated Graphics Device
 		device pci 04.0 on      # SA Thermal device

src/mainboard/system76/addw1/romstage.c

@@ -1,7 +1,9 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
+#include <drivers/gfx/nvidia/gpu.h>
 #include <soc/cnl_memcfg_init.h>
 #include <soc/romstage.h>
+#include <variant/gpio.h>
 
 static const struct cnl_mb_cfg memcfg = {
 	.spd[0] = {
@@ -20,8 +22,20 @@ static const struct cnl_mb_cfg memcfg = {
 
 void mainboard_memory_init_params(FSPM_UPD *memupd)
 {
-	// Allow higher memory speeds
-	memupd->FspmConfig.SaOcSupport = 1;
+	const struct nvidia_gpu_config config = {
+		.power_gpio = DGPU_PWR_EN,
+		.reset_gpio = DGPU_RST_N,
+		.enable = true,
+	};
+
+	// Enable dGPU power
+	nvidia_set_power(&config);
+
+	// Set primary display to internal graphics
+	memupd->FspmConfig.PrimaryDisplay = 0;
+
+	// Disable higher memory speeds
+	memupd->FspmConfig.SaOcSupport = 0;
 
 	cannonlake_memcfg_init(&memupd->FspmConfig, &memcfg);
 }

src/mainboard/system76/addw1/variants/addw1/gpio.c

@@ -49,7 +49,7 @@ static const struct pad_config gpio_table[] = {
 	PAD_NC(GPP_B1, NONE),
 	PAD_NC(GPP_B2, NONE),
 	// PCH_GPP_B3 (touchpad interrupt)
-	PAD_CFG_GPI_APIC(GPP_B3, NONE, PLTRST, EDGE_SINGLE, INVERT),
+	PAD_CFG_GPI_APIC_LOW(GPP_B3, NONE, PLTRST),
 	PAD_NC(GPP_B4, NONE),
 	PAD_CFG_NF(GPP_B5, NONE, DEEP, NF1), // TBT_CLKREQ#
 	PAD_NC(GPP_B6, NONE),

src/mainboard/system76/addw1/variants/addw1/include/variant/gpio.h

@@ -3,7 +3,16 @@
 #ifndef VARIANT_GPIO_H
 #define VARIANT_GPIO_H
 
+#include <soc/gpio.h>
+
+#define DGPU_RST_N	GPP_F22
+#define DGPU_PWR_EN	GPP_F23
+#define DGPU_GC6	GPP_C12
+#define DGPU_SSID	0x65d11558
+
+#ifndef __ACPI__
 void variant_configure_early_gpios(void);
 void variant_configure_gpios(void);
+#endif
 
 #endif

src/mainboard/system76/addw1/variants/addw1/overridetree.cb

@@ -11,7 +11,7 @@ chip soc/intel/cannonlake
 			chip drivers/i2c/hid
 				register "generic.hid" = ""PNP0C50""
 				register "generic.desc" = ""Synaptics Touchpad""
-				register "generic.irq" = "ACPI_IRQ_EDGE_LOW(GPP_B3_IRQ)"
+				register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_B3_IRQ)"
 				register "generic.probed" = "1"
 				register "hid_desc_reg_offset" = "0x20"
 				device i2c 2c on end

src/mainboard/system76/addw1/variants/addw2/gpio.c

@@ -33,7 +33,7 @@ static const struct pad_config gpio_table[] = {
 	PAD_NC(GPP_A11, UP_20K),
 	PAD_NC(GPP_A12, NONE),
 	PAD_CFG_NF(GPP_A13, NONE, DEEP, NF1), // SUSWARN#
-	PAD_CFG_GPI_APIC(GPP_A14, NONE, PLTRST, EDGE_SINGLE, INVERT), // TCHPD_INT#
+	PAD_CFG_GPI_APIC_LOW(GPP_A14, NONE, PLTRST), // TCHPD_INT#
 	PAD_CFG_NF(GPP_A15, UP_20K, DEEP, NF1), // SUS_PW_ACK#
 	PAD_NC(GPP_A16, DN_20K),
 	PAD_CFG_GPI(GPP_A17, NONE, DEEP), // AMP_TYPE_DET

src/mainboard/system76/addw1/variants/addw2/include/variant/gpio.h

@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef VARIANT_GPIO_H
+#define VARIANT_GPIO_H
+
+#include <soc/gpio.h>
+
+#define DGPU_RST_N	GPP_F22
+#define DGPU_PWR_EN	GPP_F23
+#define DGPU_GC6	GPP_C12
+#define DGPU_SSID	0x65e11558
+
+#ifndef __ACPI__
+void variant_configure_early_gpios(void);
+void variant_configure_gpios(void);
+#endif
+
+#endif

src/mainboard/system76/addw1/variants/addw2/overridetree.cb

@@ -12,7 +12,7 @@ chip soc/intel/cannonlake
 			chip drivers/i2c/hid
 				register "generic.hid" = ""PNP0C50""
 				register "generic.desc" = ""Synaptics Touchpad""
-				register "generic.irq" = "ACPI_IRQ_EDGE_LOW(GPP_A14_IRQ)"
+				register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_A14_IRQ)"
 				register "generic.probed" = "1"
 				register "hid_desc_reg_offset" = "0x20"
 				device i2c 2c on end

src/mainboard/system76/adl-p/Kconfig

@@ -0,0 +1,70 @@
+if BOARD_SYSTEM76_DARP8 || BOARD_SYSTEM76_LEMP11
+
+config BOARD_SPECIFIC_OPTIONS
+	def_bool y
+	select BOARD_ROMSIZE_KB_32768
+	select DRIVERS_I2C_HID
+	select DRIVERS_INTEL_PMC
+	select DRIVERS_INTEL_USB4_RETIMER
+	select EC_SYSTEM76_EC
+	select EC_SYSTEM76_EC_BAT_THRESHOLDS
+	select EC_SYSTEM76_EC_COLOR_KEYBOARD if BOARD_SYSTEM76_DARP8
+	select HAVE_ACPI_TABLES
+	select HAVE_CMOS_DEFAULT
+	select HAVE_OPTION_TABLE
+	select HAVE_SPD_IN_CBFS if BOARD_SYSTEM76_LEMP11
+	select INTEL_GMA_HAVE_VBT
+	select INTEL_LPSS_UART_FOR_CONSOLE
+	select MAINBOARD_HAS_TPM2
+	select MEMORY_MAPPED_TPM
+	select NO_UART_ON_SUPERIO
+	select SOC_INTEL_ALDERLAKE_PCH_P
+	select SOC_INTEL_COMMON_BLOCK_HDA_VERB
+	select SOC_INTEL_CRASHLOG
+	select SOC_INTEL_ENABLE_USB4_PCIE_RESOURCES
+	select SPD_READ_BY_WORD
+	select SYSTEM_TYPE_LAPTOP
+	select TPM_MEASURED_BOOT
+
+config MAINBOARD_DIR
+	default "system76/adl-p"
+
+config VARIANT_DIR
+	default "darp8" if BOARD_SYSTEM76_DARP8
+	default "lemp11" if BOARD_SYSTEM76_LEMP11
+
+config OVERRIDE_DEVICETREE
+	default "variants/\$(CONFIG_VARIANT_DIR)/overridetree.cb"
+
+config MAINBOARD_PART_NUMBER
+	default "darp8" if BOARD_SYSTEM76_DARP8
+	default "lemp11" if BOARD_SYSTEM76_LEMP11
+
+config MAINBOARD_SMBIOS_PRODUCT_NAME
+	default "Darter Pro" if BOARD_SYSTEM76_DARP8
+	default "Lemur Pro" if BOARD_SYSTEM76_LEMP11
+
+config MAINBOARD_VERSION
+	default "darp8" if BOARD_SYSTEM76_DARP8
+	default "lemp11" if BOARD_SYSTEM76_LEMP11
+
+config CBFS_SIZE
+	default 0xA00000
+
+config CONSOLE_POST
+	default y
+
+config DIMM_SPD_SIZE
+	default 512
+
+config POST_DEVICE
+	default n
+
+config UART_FOR_CONSOLE
+	default 0
+
+# PM Timer Disabled, saves power
+config USE_PM_ACPI_TIMER
+	default n
+
+endif

src/mainboard/system76/adl-p/Kconfig.name

@@ -0,0 +1,5 @@
+config BOARD_SYSTEM76_DARP8
+	bool "darp8"
+
+config BOARD_SYSTEM76_LEMP11
+	bool "lemp11"

src/mainboard/system76/adl-p/Makefile.inc

@@ -0,0 +1,12 @@
+CPPFLAGS_common += -I$(src)/mainboard/$(MAINBOARDDIR)/include
+
+bootblock-y += bootblock.c
+bootblock-y += variants/$(VARIANT_DIR)/gpio_early.c
+
+romstage-y += variants/$(VARIANT_DIR)/romstage.c
+
+ramstage-y += ramstage.c
+ramstage-y += variants/$(VARIANT_DIR)/hda_verb.c
+ramstage-y += variants/$(VARIANT_DIR)/gpio.c
+
+SPD_SOURCES = samsung-P4AAF165WA-BCWDE

src/mainboard/system76/adl-p/acpi/backlight.asl

@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <drivers/intel/gma/acpi/gma.asl>
+
+Scope (GFX0)
+{
+	Name (BRIG, Package (22) {
+		40, /* default AC */
+		40, /* default Battery */
+		5,
+		10,
+		15,
+		20,
+		25,
+		30,
+		35,
+		40,
+		45,
+		50,
+		55,
+		60,
+		65,
+		70,
+		75,
+		80,
+		85,
+		90,
+		95,
+		100
+	})
+}

src/mainboard/system76/adl-p/acpi/mainboard.asl

@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#define EC_GPE_SCI 0x6E
+#define EC_GPE_SWI 0x6B
+#include <ec/system76/ec/acpi/ec.asl>
+
+Scope (\_SB) {
+	#include "sleep.asl"
+	Scope (PCI0) {
+		#include "backlight.asl"
+	}
+}
+

src/mainboard/system76/adl-p/acpi/sleep.asl

@@ -0,0 +1,46 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <intelblocks/gpio.h>
+
+Method (PGPM, 1, Serialized)
+{
+	For (Local0 = 0, Local0 < 6, Local0++)
+	{
+		\_SB.PCI0.CGPM (Local0, Arg0)
+	}
+}
+
+/*
+ * Method called from _PTS prior to system sleep state entry
+ * Enables dynamic clock gating for all 5 GPIO communities
+ */
+Method (MPTS, 1, Serialized)
+{
+	\_SB.PCI0.LPCB.EC0.PTS (Arg0)
+	PGPM (MISCCFG_GPIO_PM_CONFIG_BITS)
+}
+
+/*
+ * Method called from _WAK prior to system sleep state wakeup
+ * Disables dynamic clock gating for all 5 GPIO communities
+ */
+Method (MWAK, 1, Serialized)
+{
+	PGPM (0)
+	\_SB.PCI0.LPCB.EC0.WAK (Arg0)
+}
+
+/*
+ * S0ix Entry/Exit Notifications
+ * Called from \_SB.PEPD._DSM
+ */
+Method (MS0X, 1, Serialized)
+{
+	If (Arg0 == 1) {
+		/* S0ix Entry */
+		PGPM (MISCCFG_GPIO_PM_CONFIG_BITS)
+	} Else {
+		/* S0ix Exit */
+		PGPM (0)
+	}
+}

src/mainboard/system76/adl-p/board_info.txt

@@ -0,0 +1,6 @@
+Vendor name: System76
+Category: laptop
+ROM package: WSON-8
+ROM protocol: SPI
+ROM socketed: n
+Flashrom support: y

src/mainboard/system76/adl-p/bootblock.c

@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <bootblock_common.h>
+#include <mainboard/gpio.h>
+
+void bootblock_mainboard_early_init(void)
+{
+	mainboard_configure_early_gpios();
+}

src/mainboard/system76/adl-p/cmos.default

@@ -0,0 +1,3 @@
+boot_option=Fallback
+debug_level=Debug
+me_state=Enable

src/mainboard/system76/adl-p/cmos.layout

@@ -0,0 +1,39 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
+entries
+
+0	384	r	0	reserved_memory
+
+# RTC_BOOT_BYTE (coreboot hardcoded)
+384	1	e	4	boot_option
+388	4	h	0	reboot_counter
+
+# RTC_CLK_ALTCENTURY
+400	8	r	0	century
+
+412	4	e	6	debug_level
+416	1	e	2	me_state
+417	3	h	0	me_state_counter
+984	16	h	0	check_sum
+
+enumerations
+
+2	0	Enable
+2	1	Disable
+
+4	0	Fallback
+4	1	Normal
+
+6	0	Emergency
+6	1	Alert
+6	2	Critical
+6	3	Error
+6	4	Warning
+6	5	Notice
+6	6	Info
+6	7	Debug
+6	8	Spew
+
+checksums
+
+checksum 408 983 984

src/mainboard/system76/adl-p/devicetree.cb

@@ -0,0 +1,93 @@
+chip soc/intel/alderlake
+	register "common_soc_config" = "{
+		// Touchpad I2C bus
+		.i2c[0] = {
+			.speed = I2C_SPEED_FAST,
+			.rise_time_ns = 80,
+			.fall_time_ns = 110,
+		},
+	}"
+
+	# Enable Enhanced Intel SpeedStep
+	register "eist_enable" = "1"
+
+	register "s0ix_enable" = "1"
+
+	# Enable C6 DRAM
+	register "enable_c6dram" = "1"
+
+	# Thermal
+	register "tcc_offset" = "8"
+
+	device cpu_cluster 0 on
+		device lapic 0 on end
+	end
+
+	device domain 0 on
+		device ref system_agent on end
+		device ref igpu on
+			# DDIA is eDP, DDIB is HDMI
+			register "ddi_portA_config" = "1"
+			register "ddi_ports_config" = "{
+				[DDI_PORT_A] = DDI_ENABLE_HPD,
+				[DDI_PORT_B] = DDI_ENABLE_HPD | DDI_ENABLE_DDC,
+			}"
+		end
+		device ref tbt_pcie_rp0 on end
+		device ref shared_sram on end
+		device ref cnvi_wifi on
+			register "cnvi_bt_core" = "true"
+			register "cnvi_bt_audio_offload" = "true"
+			chip drivers/wifi/generic
+				register "wake" = "GPE0_PME_B0"
+				device generic 0 on end
+			end
+		end
+		device ref i2c0 on
+			# Touchpad I2C bus
+			register "serial_io_i2c_mode[PchSerialIoIndexI2C0]" = "PchSerialIoPci"
+			chip drivers/i2c/hid
+				register "generic.hid" = ""ELAN0412""
+				register "generic.desc" = ""ELAN Touchpad""
+				register "generic.irq_gpio" = "ACPI_GPIO_IRQ_LEVEL_LOW(GPP_E12)"
+				register "generic.probed" = "1"
+				register "hid_desc_reg_offset" = "0x01"
+				device i2c 15 on end
+			end
+			chip drivers/i2c/hid
+				register "generic.hid" = ""FTCS1000""
+				register "generic.desc" = ""FocalTech Touchpad""
+				register "generic.irq_gpio" = "ACPI_GPIO_IRQ_LEVEL_LOW(GPP_E12)"
+				register "generic.probed" = "1"
+				register "hid_desc_reg_offset" = "0x01"
+				device i2c 38 on end
+			end
+		end
+		device ref i2c1 on
+			register "serial_io_i2c_mode[PchSerialIoIndexI2C1]" = "PchSerialIoPci"
+		end
+
+		device ref heci1 on end
+		device ref sata on
+			register "sata_salp_support" = "1"
+			register "sata_ports_enable[1]" = "1" # SSD1
+			register "sata_ports_dev_slp[1]" = "1" # GPP_H12 (SATA1_DEVSLP1)
+		end
+		device ref pch_espi on
+			register "gen1_dec" = "0x00040069" # EC PM channel
+			register "gen2_dec" = "0x00fc0e01" # AP/EC command
+			register "gen3_dec" = "0x00fc0f01" # AP/EC debug
+			chip drivers/pc80/tpm
+				device pnp 0c31.0 on end
+			end
+		end
+		device ref p2sb on end
+		device ref hda on
+			register "pch_hda_idisp_codec_enable" = "1"
+			register "pch_hda_idisp_link_frequency" = "HDA_LINKFREQ_96MHZ"
+			register "pch_hda_idisp_link_tmode" = "HDA_TMODE_8T"
+		end
+		device ref smbus on end
+		device ref fast_spi on end
+	end
+end

src/mainboard/system76/adl-p/dsdt.asl

@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <acpi/acpi.h>
+DefinitionBlock(
+	"dsdt.aml",
+	"DSDT",
+	ACPI_DSDT_REV_2,
+	OEM_ID,
+	ACPI_TABLE_CREATOR,
+	0x20110725
+)
+{
+	#include <acpi/dsdt_top.asl>
+	#include <soc/intel/common/block/acpi/acpi/platform.asl>
+	#include <soc/intel/common/block/acpi/acpi/globalnvs.asl>
+	#include <cpu/intel/common/acpi/cpu.asl>
+
+	Device (\_SB.PCI0)
+	{
+		#include <soc/intel/common/block/acpi/acpi/northbridge.asl>
+		#include <soc/intel/alderlake/acpi/southbridge.asl>
+		#include <soc/intel/alderlake/acpi/tcss.asl>
+	}
+
+	#include <southbridge/intel/common/acpi/sleepstates.asl>
+
+	Scope (\_SB.PCI0.LPCB)
+	{
+		#include <drivers/pc80/pc/ps2_controller.asl>
+	}
+
+	#include "acpi/mainboard.asl"
+}

src/mainboard/system76/adl-p/include/mainboard/gpio.h

@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef MAINBOARD_GPIO_H
+#define MAINBOARD_GPIO_H
+
+void mainboard_configure_early_gpios(void);
+void mainboard_configure_gpios(void);
+
+#endif

src/mainboard/system76/adl-p/ramstage.c

@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <mainboard/gpio.h>
+#include <soc/ramstage.h>
+
+void mainboard_silicon_init_params(FSP_S_CONFIG *params)
+{
+	params->CnviRfResetPinMux = 0x194CE404; // GPP_F4
+	params->CnviClkreqPinMux = 0x394CE605; // GPP_F5
+
+	params->PchSerialIoI2cSdaPinMux[0] = 0x1947c404; // GPP_H4
+	params->PchSerialIoI2cSclPinMux[0] = 0x1947a405; // GPP_H5
+	params->PchSerialIoI2cSdaPinMux[1] = 0x1947c606; // GPP_H6
+	params->PchSerialIoI2cSclPinMux[1] = 0x1947a607; // GPP_H7
+
+	params->SataPortDevSlpPinMux[0] = 0x59673e0c; // GPP_H12
+	params->SataPortDevSlpPinMux[1] = 0x5967400d; // GPP_H13
+
+	params->SataPortsSolidStateDrive[1] = 1;
+}
+
+static void mainboard_init(void *chip_info)
+{
+	mainboard_configure_gpios();
+}
+
+struct chip_operations mainboard_ops = {
+	.init = mainboard_init,
+};

src/mainboard/system76/adl-p/spd/samsung-P4AAF165WA-BCWDE.spd.hex

@@ -0,0 +1,33 @@
+# Samsung P4AAF165WA-BCWDE
+23 11 0C 03 46 29 00 08 00 60 00 03 02 03 00 00
+00 00 05 0D F8 FF 02 00 6E 6E 6E 11 00 6E 30 11
+F0 0A 20 08 00 F0 2B 34 28 00 78 00 14 3C 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 16 36 0B 35
+16 36 0B 35 00 00 16 36 0B 35 16 36 0B 35 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 9C B5 00 00 00 00 E7 00 DE DE
+0F 11 02 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 DB 08
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+80 CE 00 00 00 00 00 00 00 50 34 41 41 46 31 36
+35 57 41 2D 42 43 57 44 45 20 20 20 20 00 80 CE
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

src/mainboard/system76/adl-p/variants/darp8/board_info.txt

@@ -0,0 +1,2 @@
+Board name: darp8
+Release year: 2022

src/mainboard/system76/adl-p/variants/darp8/gpio.c

@@ -0,0 +1,227 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <mainboard/gpio.h>
+#include <soc/gpio.h>
+
+static const struct pad_config gpio_table[] = {
+	/* ------- GPIO Group GPD ------- */
+	PAD_CFG_NF(GPD0, UP_20K, PWROK, NF1), // PM_BATLOW#
+	PAD_CFG_NF(GPD1, NATIVE, PWROK, NF1), // AC_PRESENT
+	PAD_CFG_NF(GPD2, NATIVE, PWROK, NF1), // LAN_WAKE#
+	PAD_CFG_NF(GPD3, UP_20K, PWROK, NF1), // PWR_BTN#
+	PAD_CFG_NF(GPD4, NONE, PWROK, NF1), // SUSB#_PCH
+	PAD_CFG_NF(GPD5, NONE, PWROK, NF1), // SUSC#_PCH
+	PAD_CFG_NF(GPD6, NONE, PWROK, NF1), // SLP_A#
+	PAD_CFG_GPI(GPD7, NONE, PWROK), // GPD7_REST
+	PAD_CFG_NF(GPD8, NONE, PWROK, NF1), // SUS_CLK
+	PAD_CFG_GPO(GPD9, 0, PWROK), // SLP_WLAN#
+	PAD_CFG_NF(GPD10, NONE, PWROK, NF1), // SLP_S5#
+	PAD_CFG_NF(GPD11, NONE, PWROK, NF1), // LAN_DISABLE#
+
+	/* ------- GPIO Group GPP_A ------- */
+	PAD_CFG_NF(GPP_A0, UP_20K, DEEP, NF1), // ESPI_IO0_EC
+	PAD_CFG_NF(GPP_A1, UP_20K, DEEP, NF1), // ESPI_IO1_EC
+	PAD_CFG_NF(GPP_A2, UP_20K, DEEP, NF1), // ESPI_IO2_EC
+	PAD_CFG_NF(GPP_A3, UP_20K, DEEP, NF1), // ESPI_IO3_EC
+	PAD_CFG_NF(GPP_A4, UP_20K, DEEP, NF1), // ESPI_CS_EC#
+	PAD_CFG_NF(GPP_A5, UP_20K, DEEP, NF1), // ESPI_ALRT0#
+	PAD_NC(GPP_A6, NONE),
+	PAD_CFG_GPI(GPP_A7, NONE, DEEP), // SATAGP0_PCIE_SSD2
+	PAD_CFG_GPO(GPP_A8, 1, PLTRST), // GPIO_LANRTD3
+	PAD_CFG_NF(GPP_A9, DN_20K, DEEP, NF1), // ESPI_CLK_EC
+	PAD_CFG_NF(GPP_A10, NONE, DEEP, NF1), // ESPI_RESET_N
+	PAD_NC(GPP_A11, NONE),
+	PAD_CFG_NF(GPP_A12, NONE, DEEP, NF1), // SATAGP1_SATA_SSD1
+	PAD_CFG_GPO(GPP_A13, 1, PLTRST), // BT_EN
+	PAD_NC(GPP_A14, NONE),
+	PAD_NC(GPP_A15, NONE),
+	PAD_CFG_NF(GPP_A16, NONE, DEEP, NF1), // USB_OC3#
+	PAD_CFG_GPI(GPP_A17, NONE, DEEP), // LID_SW#
+	PAD_CFG_NF(GPP_A18, NONE, DEEP, NF1), // HDMI_HPD
+	PAD_NC(GPP_A19, NONE),
+	PAD_NC(GPP_A20, NONE),
+	PAD_NC(GPP_A21, NONE),
+	PAD_CFG_GPI(GPP_A22, NONE, DEEP), // SSD2_PCIE_WAKE#
+	PAD_NC(GPP_A23, NONE),
+
+	/* ------- GPIO Group GPP_B ------- */
+	PAD_CFG_NF(GPP_B0, NONE, DEEP, NF1), // VCCIN_AUX_VID0
+	PAD_CFG_NF(GPP_B1, NONE, DEEP, NF1), // VCCIN_AUX_VID1
+	PAD_NC(GPP_B2, NONE),
+	PAD_CFG_GPI(GPP_B3, NONE, DEEP), // SCI#
+	PAD_CFG_GPI(GPP_B4, NONE, DEEP), // SWI#
+	PAD_NC(GPP_B5, NONE),
+	PAD_NC(GPP_B6, NONE),
+	PAD_NC(GPP_B7, NONE),
+	PAD_NC(GPP_B8, NONE),
+	//PAD_CFG_GPI(GPP_B9, NONE, DEEP),
+	//PAD_CFG_GPI(GPP_B10, NONE, DEEP),
+	PAD_CFG_NF(GPP_B11, NONE, PWROK, NF1), // TBTA-PCH_I2C_INT
+	PAD_CFG_NF(GPP_B12, NONE, DEEP, NF1), // SLP_S0#
+	PAD_CFG_NF(GPP_B13, NONE, DEEP, NF1), // PLT_RST#
+	PAD_CFG_NF(GPP_B14, NONE, DEEP, NF1), // Top swap override
+	PAD_NC(GPP_B15, NONE),
+	PAD_CFG_GPO(GPP_B16, 1, PLTRST), // M2_SSD1_RST#
+	PAD_CFG_GPO(GPP_B17, 1, PLTRST), // WLAN_RST#_R
+	PAD_NC(GPP_B18, NONE), // NO REBOOT strap
+	//PAD_CFG_GPI(GPP_B19, NONE, DEEP),
+	//PAD_CFG_GPI(GPP_B20, NONE, DEEP),
+	//PAD_CFG_GPI(GPP_B21, NONE, DEEP),
+	//PAD_CFG_GPI(GPP_B22, NONE, DEEP),
+	PAD_CFG_GPI(GPP_B23, NONE, DEEP), // CPUNSSC CLOCK FREQ strap
+
+	/* ------- GPIO Group GPP_C ------- */
+	PAD_CFG_NF(GPP_C0, NONE, DEEP, NF1), // SMB_CLK_TP
+	PAD_CFG_NF(GPP_C1, NONE, DEEP, NF1), // SMB_DATA_TP
+	PAD_CFG_GPO(GPP_C2, 1, PLTRST), // TLS CONFIDENTIALITY strap
+	PAD_CFG_NF(GPP_C3, NONE, DEEP, NF1), // SML0_CLK_R
+	PAD_CFG_NF(GPP_C4, NONE, DEEP, NF1), // SML0_DATA_R
+	PAD_CFG_GPI(GPP_C5, NONE, DEEP), // ESPI OR EC LESS strap
+	PAD_CFG_NF(GPP_C6, NONE, DEEP, NF1), // TBT-PCH_I2C_SCL
+	PAD_CFG_NF(GPP_C7, NONE, DEEP, NF1), // TBT-PCH_I2C_SDA
+	//PAD_NC(GPP_C8, NONE),
+	//PAD_NC(GPP_C9, NONE),
+	//PAD_NC(GPP_C10, NONE),
+	//PAD_NC(GPP_C11, NONE),
+	//PAD_NC(GPP_C12, NONE),
+	//PAD_NC(GPP_C13, NONE),
+	//PAD_NC(GPP_C14, NONE),
+	//PAD_NC(GPP_C15, NONE),
+	//PAD_NC(GPP_C16, NONE),
+	//PAD_NC(GPP_C17, NONE),
+	//PAD_NC(GPP_C18, NONE),
+	//PAD_NC(GPP_C19, NONE),
+	//PAD_NC(GPP_C20, NONE),
+	//PAD_NC(GPP_C21, NONE),
+	//PAD_NC(GPP_C22, NONE),
+	//PAD_NC(GPP_C23, NONE),
+
+	/* ------- GPIO Group GPP_D ------- */
+	PAD_CFG_GPO(GPP_D0, 1, DEEP), // SB_BLON
+	PAD_CFG_GPI(GPP_D1, NONE, DEEP), // SB_KBCRST#
+	PAD_CFG_GPO(GPP_D2, 0, DEEP), // ROM_I2C_EN
+	PAD_NC(GPP_D3, NONE),
+	PAD_CFG_GPO(GPP_D4, 1, DEEP), // GPIO_LAN_EN
+	//PAD_CFG_NF(GPP_D5, NONE, DEEP, NF1), // SSD2_CLKREQ#
+	PAD_CFG_GPO(GPP_D6, 1, DEEP), // LAN_PLT_RST#
+	//PAD_CFG_NF(GPP_D7, NONE, DEEP, NF1), // WLAN_CLKREQ#
+	PAD_NC(GPP_D8, NONE),
+	PAD_NC(GPP_D9, NONE),
+	PAD_NC(GPP_D10, NONE), // TBT LSX #2 PINS VCCIO CONFIGURATION strap
+	PAD_CFG_GPI(GPP_D11, NATIVE, DEEP), // Board ID
+	PAD_NC(GPP_D12, NONE), // TBT LSX #3 PINS VCCIO CONFIGURATION strap
+	PAD_CFG_GPI(GPP_D13, NONE, DEEP), // WLAN_WAKEUP#
+	PAD_CFG_GPO(GPP_D14, 1, PLTRST), // SSD2_PWR_EN
+	PAD_CFG_GPO(GPP_D15, 1, DEEP), // GPP_D2_SDCARD_RST#
+	PAD_CFG_GPO(GPP_D16, 1, DEEP), // SSD1_PWR_EN
+	PAD_NC(GPP_D17, NONE),
+	PAD_NC(GPP_D18, NONE),
+	PAD_CFG_GPI(GPP_D19, NONE, DEEP), // SATA_LED#
+
+	/* ------- GPIO Group GPP_E ------- */
+	PAD_CFG_GPI(GPP_E0, NONE, DEEP), // CNVI_WAKE#
+	_PAD_CFG_STRUCT(GPP_E1, 0x40100100, 0x3000), // TPM_PIRQ#
+	PAD_NC(GPP_E2, NONE),
+	PAD_CFG_GPO(GPP_E3, 1, PLTRST), // WLAN_EN
+	PAD_CFG_GPO(GPP_E4, 0, PLTRST), // TBT_FORCE_PWR
+	PAD_NC(GPP_E5, NONE),
+	PAD_CFG_GPI(GPP_E6, NONE, DEEP), // JTAG ODT DISABLE strap
+	PAD_CFG_GPI(GPP_E7, NONE, DEEP), // SMI#
+	PAD_CFG_GPI(GPP_E8, NONE, DEEP), // SLP_DRAM#
+	PAD_CFG_NF(GPP_E9, NONE, DEEP, NF1), // USB_OC0#
+	PAD_CFG_GPI(GPP_E10, NONE, DEEP), // GPP_E10_STRAP
+	PAD_CFG_GPI(GPP_E11, NONE, DEEP), // GPP_E11_STRAP
+	PAD_CFG_GPI_INT(GPP_E12, NONE, PLTRST, LEVEL), // TP_ATTN#
+	PAD_NC(GPP_E13, NONE),
+	PAD_CFG_NF(GPP_E14, NONE, DEEP, NF1), // EDP_HPD
+	PAD_NC(GPP_E15, NONE),
+	PAD_CFG_GPI(GPP_E16, NONE, DEEP), // SDCARD_WAKE#
+	PAD_NC(GPP_E17, NONE),
+	PAD_NC(GPP_E18, NATIVE), // TBT_LSX0_TXD
+	PAD_NC(GPP_E19, NATIVE), // TBT_LSX0_RXD
+	PAD_NC(GPP_E20, NONE),
+	PAD_NC(GPP_E21, NONE), // TBT LSX #1 PINS VCCIO CONFIGURATION strap
+	PAD_NC(GPP_E22, NONE),
+	PAD_NC(GPP_E23, NONE),
+
+	/* ------- GPIO Group GPP_F ------- */
+	PAD_CFG_NF(GPP_F0, NONE, DEEP, NF1), // CNVI_BRI_DT
+	PAD_CFG_NF(GPP_F1, UP_20K, DEEP, NF1), // CNVI_BRI_RSP
+	PAD_CFG_NF(GPP_F2, NONE, DEEP, NF1), // CNVI_RGI_DT
+	PAD_CFG_NF(GPP_F3, UP_20K, DEEP, NF1), // CNVI_RGI_RSP
+	PAD_CFG_NF(GPP_F4, NONE, DEEP, NF1), // CNVI_RST#
+	//PAD_CFG_NF(GPP_F5, NONE, DEEP, NF2), // CNVI_CLKREQ
+	PAD_CFG_NF(GPP_F6, NONE, DEEP, NF1), // CNVI_GNSS_PA_BLANKING
+	PAD_NC(GPP_F7, NONE), // MCRO LDO BYPASS strap
+	//PAD_CFG_GPI(GPP_F8, NONE, DEEP),
+	PAD_NC(GPP_F9, NONE),
+	PAD_NC(GPP_F10, NONE), // RSMRSTB SAMPLING strap
+	PAD_NC(GPP_F11, NONE), // BOARD_ID3
+	PAD_NC(GPP_F12, NONE),
+	PAD_NC(GPP_F13, NONE),
+	PAD_CFG_GPI(GPP_F14, NONE, DEEP), // BOARD_ID1
+	PAD_NC(GPP_F15, NONE), // BOARD_ID2
+	PAD_NC(GPP_F16, NONE),
+	PAD_CFG_GPO(GPP_F17, 1, PLTRST), // GPIO_SDCARD_EN
+	PAD_CFG_GPO(GPP_F18, 0, DEEP), // CCD_WP#
+	//PAD_CFG_NF(GPP_F19, NONE, DEEP, NF1), // GLAN_CLKREQ6#
+	PAD_CFG_GPO(GPP_F20, 1, PLTRST), // M2_SSD2_RST#
+	PAD_NC(GPP_F21, NONE),
+	PAD_NC(GPP_F22, NONE),
+	PAD_NC(GPP_F23, NONE),
+
+	/* ------- GPIO Group GPP_H ------- */
+	PAD_NC(GPP_H0, NONE),
+	PAD_NC(GPP_H1, NONE),
+	PAD_NC(GPP_H2, NONE),
+	PAD_CFG_GPI(GPP_H3, NONE, DEEP), // TPM_DET
+	PAD_CFG_NF(GPP_H4, NONE, DEEP, NF1), // I2C_SDA_TP
+	PAD_CFG_NF(GPP_H5, NONE, DEEP, NF1), // I2C_SCL_TP
+	PAD_CFG_NF(GPP_H6, NONE, DEEP, NF1), // PCH_I2C_SDA
+	PAD_CFG_NF(GPP_H7, NONE, DEEP, NF1), // PCH_I2C_SCL
+	PAD_CFG_NF(GPP_H8, NONE, DEEP, NF2), // CNVI_MFUART2_RXD
+	PAD_CFG_NF(GPP_H9, NONE, DEEP, NF2), // CNVI_MFUART2_TXD
+	//PAD_CFG_NF(GPP_H10, NONE, DEEP, NF1), // UART0_RX
+	//PAD_CFG_NF(GPP_H11, NONE, DEEP, NF1), // UART0_TX
+	PAD_CFG_NF(GPP_H12, NONE, DEEP, NF1), // SATA1_DEVSLP1
+	PAD_NC(GPP_H13, NONE),
+	//PAD_CFG_GPI(GPP_H14, NONE, DEEP),
+	PAD_CFG_NF(GPP_H15, NONE, DEEP, NF1), // HDMI_CTRLCLK
+	//PAD_CFG_GPI(GPP_H16, NONE, DEEP),
+	PAD_CFG_NF(GPP_H17, NONE, DEEP, NF1), // HDMI_CTRLDATA
+	PAD_CFG_NF(GPP_H18, NONE, DEEP, NF1), // CPU_C10_GATE#
+	//PAD_CFG_NF(GPP_H19, NONE, DEEP, NF1), // SSD1_CLKREQ#
+	PAD_CFG_GPI(GPP_H20, NONE, DEEP), // PM_CLKRUN#
+	PAD_NC(GPP_H21, NONE),
+	PAD_NC(GPP_H22, NONE),
+	//PAD_CFG_NF(GPP_H23, NONE, DEEP, NF2), // CARD_CLKREQ#
+
+	/* ------- GPIO Group GPP_R ------- */
+	PAD_CFG_NF(GPP_R0, NONE, DEEP, NF1), // HDA_BITCLK
+	PAD_CFG_NF(GPP_R1, NATIVE, DEEP, NF1), // HDA_SYNC
+	PAD_CFG_NF(GPP_R2, NATIVE, DEEP, NF1), // HDA_SDOUT
+	PAD_CFG_NF(GPP_R3, NATIVE, DEEP, NF1), // HDA_SDIN0
+	PAD_CFG_NF(GPP_R4, NONE, DEEP, NF1), // HDA_RST#
+	PAD_NC(GPP_R5, NONE),
+	PAD_NC(GPP_R6, NONE), // DMIC_CLK
+	PAD_NC(GPP_R7, NONE), // DMIC_DAT
+
+	/* ------- GPIO Group GPP_S ------- */
+	PAD_NC(GPP_S0, NONE),
+	PAD_NC(GPP_S1, NONE),
+	PAD_NC(GPP_S2, NONE),
+	PAD_NC(GPP_S3, NONE),
+	PAD_NC(GPP_S4, NONE),
+	PAD_NC(GPP_S5, NONE),
+	PAD_NC(GPP_S6, NONE),
+	PAD_NC(GPP_S7, NONE),
+
+	/* ------- GPIO Group GPP_T ------- */
+	PAD_NC(GPP_T2, NONE),
+	PAD_NC(GPP_T3, NONE),
+};
+
+void mainboard_configure_gpios(void)
+{
+	gpio_configure_pads(gpio_table, ARRAY_SIZE(gpio_table));
+}

src/mainboard/system76/adl-p/variants/darp8/gpio_early.c

@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <mainboard/gpio.h>
+#include <soc/gpio.h>
+
+static const struct pad_config early_gpio_table[] = {
+	PAD_CFG_NF(GPP_H10, NONE, DEEP, NF1), // UART0_RX
+	PAD_CFG_NF(GPP_H11, NONE, DEEP, NF1), // UART0_TX
+};
+
+void mainboard_configure_early_gpios(void)
+{
+	gpio_configure_pads(early_gpio_table, ARRAY_SIZE(early_gpio_table));
+}

src/mainboard/system76/adl-p/variants/darp8/hda_verb.c

@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <device/azalia_device.h>
+
+const u32 cim_verb_data[] = {
+	/* Realtek, ALC256 */
+	0x10ec0256,
+	0x15587716,
+	11,
+	AZALIA_SUBVENDOR(0, 0x15587716),
+	AZALIA_PIN_CFG(0, 0x12, 0x90a60130),
+	AZALIA_PIN_CFG(0, 0x13, 0x40000000),
+	AZALIA_PIN_CFG(0, 0x14, 0x90170110),
+	AZALIA_PIN_CFG(0, 0x18, 0x411111f0),
+	AZALIA_PIN_CFG(0, 0x19, 0x411111f0),
+	AZALIA_PIN_CFG(0, 0x1a, 0x411111f0),
+	AZALIA_PIN_CFG(0, 0x1b, 0x411111f0),
+	AZALIA_PIN_CFG(0, 0x1d, 0x41700001),
+	AZALIA_PIN_CFG(0, 0x1e, 0x411111f0),
+	AZALIA_PIN_CFG(0, 0x21, 0x02211020),
+};
+
+const u32 pc_beep_verbs[] = {};
+
+AZALIA_ARRAY_SIZES;

src/mainboard/system76/adl-p/variants/darp8/overridetree.cb

@@ -0,0 +1,175 @@
+chip soc/intel/alderlake
+	register "power_limits_config[ADL_P_282_482_28W_CORE]" = "{
+		.tdp_pl1_override = 20,
+		.tdp_pl2_override = 56,
+		.tdp_pl4 = 65,
+	}"
+
+	# GPE configuration
+	register "pmc_gpe0_dw0" = "PMC_GPP_A"
+	register "pmc_gpe0_dw1" = "PMC_GPP_R"
+	register "pmc_gpe0_dw2" = "PMC_GPD"
+
+	device domain 0 on
+		subsystemid 0x1558 0x7716 inherit
+
+		device ref pcie4_0 on
+			# PCIe PEG0 x4, Clock 0 (SSD2)
+			register "cpu_pcie_rp[CPU_RP(1)]" = "{
+				.clk_src = 0,
+				.clk_req = 0,
+				.flags = PCIE_RP_LTR,
+			}"
+			chip soc/intel/common/block/pcie/rtd3
+				register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D14)" # SSD2_PWR_EN
+				register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_F20)" # M2_CPU_SSD2_RST#
+				register "srcclk_pin" = "0" # SSD2_CLKREQ#
+				device generic 0 on end
+			end
+		end
+		device ref tcss_xhci on
+			register "tcss_ports[0]" = "TCSS_PORT_DEFAULT(OC_SKIP)"
+			chip drivers/usb/acpi
+				device ref tcss_root_hub on
+					chip drivers/usb/acpi
+						register "desc" = ""USB3 TBT Type-C""
+						register "type" = "UPC_TYPE_C_USB2_SS_SWITCH"
+						device ref tcss_usb3_port1 on end
+					end
+				end
+			end
+		end
+		device ref xhci on
+			# USB2
+			register "usb2_ports[0]" = "USB2_PORT_MID(OC_SKIP)" # Type-A Motherboard
+			register "usb2_ports[1]" = "USB2_PORT_MID(OC_SKIP)" # Type-A Multi Board
+			register "usb2_ports[2]" = "USB2_PORT_TYPE_C(OC_SKIP)" # J_TYPEC1 (USB 3.2 Gen 2)
+			register "usb2_ports[4]" = "USB2_PORT_MID(OC_SKIP)" # Fingerprint
+			register "usb2_ports[5]" = "USB2_PORT_TYPE_C(OC_SKIP)" # J_TYPEC2 (Thunderbolt)
+			register "usb2_ports[6]" = "USB2_PORT_MID(OC_SKIP)" # Camera
+			register "usb2_ports[9]" = "USB2_PORT_MID(OC_SKIP)" # Bluetooth
+			# USB3
+			register "usb3_ports[0]" = "USB3_PORT_DEFAULT(OC_SKIP)" # Type-A Motherboard
+			register "usb3_ports[1]" = "USB3_PORT_DEFAULT(OC_SKIP)" # J_TYPEC1 CH1
+			register "usb3_ports[2]" = "USB3_PORT_DEFAULT(OC_SKIP)" # J_TYPEC1 CH2
+			# ACPI
+			chip drivers/usb/acpi
+				device ref xhci_root_hub on
+					chip drivers/usb/acpi
+						register "desc" = ""USB2 UJ_USB1""
+						register "type" = "UPC_TYPE_A"
+						device ref usb2_port1 on end
+					end
+					chip drivers/usb/acpi
+						register "desc" = ""USB2 J_USB3_1""
+						register "type" = "UPC_TYPE_A"
+						device ref usb2_port2 on end
+					end
+					chip drivers/usb/acpi
+						register "desc" = ""USB2 J_TYPEC1""
+						register "type" = "UPC_TYPE_C_USB2_SS_SWITCH"
+						device ref usb2_port3 on end
+					end
+					chip drivers/usb/acpi
+						register "desc" = ""USB2 Fingerprint""
+						register "type" = "UPC_TYPE_INTERNAL"
+						device ref usb2_port5 on end
+					end
+					chip drivers/usb/acpi
+						register "desc" = ""USB2 J_TYPEC2""
+						register "type" = "UPC_TYPE_C_USB2_SS_SWITCH"
+						device ref usb2_port6 on end
+					end
+					chip drivers/usb/acpi
+						register "desc" = ""USB2 Camera""
+						register "type" = "UPC_TYPE_INTERNAL"
+						device ref usb2_port7 on end
+					end
+					chip drivers/usb/acpi
+						register "desc" = ""USB2 Bluetooth""
+						register "type" = "UPC_TYPE_INTERNAL"
+						device ref usb2_port10 on end
+					end
+					chip drivers/usb/acpi
+						register "desc" = ""USB3 J_USB3_1""
+						register "type" = "UPC_TYPE_A"
+						device ref usb3_port1 on end
+					end
+					chip drivers/usb/acpi
+						register "desc" = ""USB3 J_TYPEC1 CH0""
+						register "type" = "UPC_TYPE_A"
+						device ref usb3_port2 on end
+					end
+					chip drivers/usb/acpi
+						register "desc" = ""USB3 J_TYPEC1 CH1""
+						register "type" = "UPC_TYPE_A"
+						device ref usb3_port3 on end
+					end
+				end
+			end
+		end
+		device ref tcss_dma0 on
+			chip drivers/intel/usb4/retimer
+				register "dfp[0].power_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_E4)"
+				use tcss_usb3_port1 as dfp[0].typec_port
+				device generic 0 on end
+			end
+		end
+		device ref pcie_rp5 on
+			# PCIe RP#5 x1, Clock 2 (WLAN)
+			register "pch_pcie_rp[PCH_RP(5)]" = "{
+				.clk_src = 2,
+				.clk_req = 2,
+				.flags = PCIE_RP_LTR | PCIE_RP_AER,
+			}"
+			chip soc/intel/common/block/pcie/rtd3
+				register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_E3)" # WLAN_EN
+				register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_B17)" # WLAN_RST#_R
+				register "srcclk_pin" = "2" # WLAN_CLKREQ#
+				device generic 0 on end
+			end
+		end
+		device ref pcie_rp6 on
+			# PCIe RP#6 x1, Clock 5 (CARD)
+			register "pch_pcie_rp[PCH_RP(6)]" = "{
+				.clk_src = 5,
+				.clk_req = 5,
+				.flags = PCIE_RP_HOTPLUG | PCIE_RP_LTR | PCIE_RP_AER,
+			}"
+		end
+		device ref pcie_rp8 on
+			# PCIe RP#8 x1, Clock 6 (GLAN)
+			register "pch_pcie_rp[PCH_RP(8)]" = "{
+				.clk_src = 6,
+				.clk_req = 6,
+				.flags = PCIE_RP_LTR | PCIE_RP_AER,
+			}"
+		end
+		device ref pcie_rp9 on
+			# PCIe RP#9 x4, Clock 4 (SSD1)
+			register "pch_pcie_rp[PCH_RP(9)]" = "{
+				.clk_src = 4,
+				.clk_req = 4,
+				.flags = PCIE_RP_LTR,
+			}"
+			chip soc/intel/common/block/pcie/rtd3
+				register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D16)" # SSD1_PWR_EN
+				register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_B16)" # M2_SSD1_RST#
+				register "srcclk_pin" = "4" # SSD1_CLKREQ#
+				device generic 0 on end
+			end
+		end
+		device ref pmc hidden
+			chip drivers/intel/pmc_mux
+				device generic 0 on
+					chip drivers/intel/pmc_mux/conn
+						# J_TYPEC2
+						use usb2_port6 as usb2_port
+						use tcss_usb3_port1 as usb3_port
+						device generic 0 alias conn0 on end
+					end
+				end
+			end
+		end
+	end
+end

src/mainboard/system76/adl-p/variants/darp8/romstage.c

@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <soc/meminit.h>
+#include <soc/romstage.h>
+
+void mainboard_memory_init_params(FSPM_UPD *mupd)
+{
+	const struct mb_cfg board_cfg = {
+		.type = MEM_TYPE_DDR4,
+		.rcomp = { .resistor = 100, },
+	};
+	const struct mem_spd spd_info = {
+		.topo = MEM_TOPO_DIMM_MODULE,
+		.smbus = {
+			[0] = { .addr_dimm[0] = 0x50, },
+			[1] = { .addr_dimm[0] = 0x52, },
+		},
+	};
+	const bool half_populated = false;
+
+	mupd->FspmConfig.PchHdaAudioLinkHdaEnable = 1;
+	mupd->FspmConfig.DmiMaxLinkSpeed = 4;
+	mupd->FspmConfig.GpioOverride = 0;
+
+	memcfg_init(mupd, &board_cfg, &spd_info, half_populated);
+}

src/mainboard/system76/adl-p/variants/lemp11/board_info.txt

@@ -0,0 +1,2 @@
+Board name: lemp11
+Release year: 2022

src/mainboard/system76/adl-p/variants/lemp11/gpio.c

@@ -0,0 +1,227 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <mainboard/gpio.h>
+#include <soc/gpio.h>
+
+static const struct pad_config gpio_table[] = {
+	/* ------- GPIO Group GPD ------- */
+	PAD_CFG_NF(GPD0, UP_20K, PWROK, NF1), // PM_BATLOW#
+	PAD_CFG_NF(GPD1, NATIVE, PWROK, NF1), // AC_PRESENT
+	PAD_NC(GPD2, NONE),
+	PAD_CFG_NF(GPD3, UP_20K, PWROK, NF1), // PWR_BTN#
+	PAD_CFG_NF(GPD4, NONE, PWROK, NF1), // SUSB#_PCH
+	PAD_CFG_NF(GPD5, NONE, PWROK, NF1), // SUSC#_PCH
+	PAD_CFG_NF(GPD6, NONE, PWROK, NF1), // SLP_A#
+	PAD_CFG_GPI(GPD7, NONE, PWROK), // GPD7_REST
+	PAD_CFG_NF(GPD8, NONE, PWROK, NF1), // SUS_CLK
+	PAD_CFG_GPO(GPD9, 0, PWROK), // SLP_WLAN#
+	PAD_CFG_NF(GPD10, NONE, PWROK, NF1), // SLP_S5#
+	PAD_NC(GPD11, NONE),
+
+	/* ------- GPIO Group GPP_A ------- */
+	PAD_CFG_NF(GPP_A0, UP_20K, DEEP, NF1), // ESPI_IO0_EC
+	PAD_CFG_NF(GPP_A1, UP_20K, DEEP, NF1), // ESPI_IO1_EC
+	PAD_CFG_NF(GPP_A2, UP_20K, DEEP, NF1), // ESPI_IO2_EC
+	PAD_CFG_NF(GPP_A3, UP_20K, DEEP, NF1), // ESPI_IO3_EC
+	PAD_CFG_NF(GPP_A4, UP_20K, DEEP, NF1), // ESPI_CS_EC#
+	PAD_CFG_NF(GPP_A5, UP_20K, DEEP, NF1), // ESPI_ALRT0#
+	PAD_NC(GPP_A6, NONE),
+	PAD_NC(GPP_A7, NONE),
+	PAD_NC(GPP_A8, NONE),
+	PAD_CFG_NF(GPP_A9, DN_20K, DEEP, NF1), // ESPI_CLK_EC
+	PAD_CFG_NF(GPP_A10, NONE, DEEP, NF1), // ESPI_RESET#
+	PAD_NC(GPP_A11, NONE),
+	PAD_CFG_NF(GPP_A12, UP_20K, DEEP, NF1), // SATAGP1
+	PAD_CFG_GPO(GPP_A13, 1, PLTRST), // PCH_BT_EN
+	PAD_NC(GPP_A14, NONE),
+	PAD_NC(GPP_A15, NONE),
+	PAD_CFG_NF(GPP_A16, NONE, DEEP, NF1), // USB_OC3#
+	PAD_NC(GPP_A17, NONE),
+	PAD_CFG_NF(GPP_A18, NONE, DEEP, NF1), // HDMI_HPD
+	PAD_NC(GPP_A19, NONE),
+	PAD_NC(GPP_A20, NONE),
+	PAD_NC(GPP_A21, NONE),
+	PAD_CFG_GPI(GPP_A22, NONE, DEEP), // SSD2_PCIE_WAKE#
+	PAD_NC(GPP_A23, NONE),
+
+	/* ------- GPIO Group GPP_B ------- */
+	PAD_CFG_NF(GPP_B0, NONE, DEEP, NF1), // VCCIN_AUX_VID0
+	PAD_CFG_NF(GPP_B1, NONE, DEEP, NF1), // VCCIN_AUX_VID1
+	PAD_CFG_NF(GPP_B2, NONE, DEEP, NF1), // VRALERT#
+	PAD_CFG_GPI(GPP_B3, NONE, DEEP), // SCI#
+	PAD_CFG_GPI(GPP_B4, NONE, DEEP), // SWI#
+	PAD_NC(GPP_B5, NONE),
+	PAD_NC(GPP_B6, NONE),
+	PAD_NC(GPP_B7, NONE),
+	PAD_NC(GPP_B8, NONE),
+	//PAD_NC(GPP_B9, NONE),
+	//PAD_NC(GPP_B10, NONE),
+	PAD_CFG_NF(GPP_B11, NONE, PWROK, NF1), // TBT_I2C_INT
+	PAD_CFG_NF(GPP_B12, NONE, DEEP, NF1), // SLP_S0#
+	PAD_CFG_NF(GPP_B13, NONE, DEEP, NF1), // PLT_RST#
+	PAD_CFG_NF(GPP_B14, NONE, DEEP, NF1), // Top swap override
+	PAD_NC(GPP_B15, NONE),
+	PAD_NC(GPP_B16, NONE),
+	PAD_CFG_GPO(GPP_B17, 1, PLTRST), // WLAN_RST#
+	PAD_NC(GPP_B18, NONE), // NO REBOOT strap
+	//PAD_NC(GPP_B19, NONE),
+	//PAD_NC(GPP_B20, NONE),
+	//PAD_NC(GPP_B21, NONE),
+	//PAD_NC(GPP_B22, NONE),
+	PAD_NC(GPP_B23, NONE), // CPUNSSC CLOCK FREQ strap
+
+	/* ------- GPIO Group GPP_C ------- */
+	PAD_CFG_NF(GPP_C0, NONE, DEEP, NF1), // SMB_CLK_DDR
+	PAD_CFG_NF(GPP_C1, NONE, DEEP, NF1), // CMB_DATA_DDR
+	PAD_CFG_GPO(GPP_C2, 1, PLTRST), // TLS CONFIDENTIALITY strap
+	PAD_CFG_NF(GPP_C3, NONE, DEEP, NF1), // SML0_CLK
+	PAD_CFG_NF(GPP_C4, NONE, DEEP, NF1), // SML0_DATA
+	PAD_NC(GPP_C5, NONE), // ESPI OR EC LESS strap
+	PAD_CFG_NF(GPP_C6, NONE, DEEP, NF1), // TBT_I2C_SCL
+	PAD_CFG_NF(GPP_C7, NONE, DEEP, NF1), // TBT_I2C_SDA
+	//PAD_NC(GPP_C8, NONE),
+	//PAD_NC(GPP_C9, NONE),
+	//PAD_NC(GPP_C10, NONE),
+	//PAD_NC(GPP_C11, NONE),
+	//PAD_NC(GPP_C12, NONE),
+	//PAD_NC(GPP_C13, NONE),
+	//PAD_NC(GPP_C14, NONE),
+	//PAD_NC(GPP_C15, NONE),
+	//PAD_NC(GPP_C16, NONE),
+	//PAD_NC(GPP_C17, NONE),
+	//PAD_NC(GPP_C18, NONE),
+	//PAD_NC(GPP_C19, NONE),
+	//PAD_NC(GPP_C20, NONE),
+	//PAD_NC(GPP_C21, NONE),
+	//PAD_NC(GPP_C22, NONE),
+	//PAD_NC(GPP_C23, NONE),
+
+	/* ------- GPIO Group GPP_D ------- */
+	PAD_CFG_GPO(GPP_D0, 1, DEEP), // SB_BLON
+	PAD_CFG_GPI(GPP_D1, NONE, DEEP), // SB_KBCRST#
+	PAD_CFG_GPO(GPP_D2, 0, DEEP), // ROM_I2C_EN
+	PAD_NC(GPP_D3, NONE),
+	PAD_NC(GPP_D4, NONE),
+	//PAD_CFG_NF(GPP_D5, NONE, DEEP, NF1), // SSD0_CLKREQ#
+	//PAD_CFG_NF(GPP_D6, NONE, DEEP, NF1), // SSD1_CLKREQ#
+	//PAD_CFG_NF(GPP_D7, NONE, DEEP, NF1), // WLAN_CLKREQ#
+	PAD_NC(GPP_D8, NONE),
+	PAD_NC(GPP_D9, NONE),
+	PAD_NC(GPP_D10, NONE),
+	PAD_NC(GPP_D11, NONE),
+	PAD_NC(GPP_D12, NONE),
+	PAD_CFG_GPI(GPP_D13, NONE, DEEP), // WLAN_WAKEUP#
+	PAD_CFG_GPO(GPP_D14, 1, PLTRST), // SSD2_PWR_EN
+	PAD_NC(GPP_D15, NONE),
+	PAD_CFG_GPO(GPP_D16, 1, DEEP), // SSD1_PWR_EN
+	PAD_NC(GPP_D17, NONE),
+	PAD_NC(GPP_D18, NONE),
+	PAD_CFG_GPO(GPP_D19, 0, DEEP), // SATA_LED#
+
+	/* ------- GPIO Group GPP_E ------- */
+	PAD_CFG_GPI(GPP_E0, NONE, DEEP), // CNVI_WAKE#
+	_PAD_CFG_STRUCT(GPP_E1, 0x40100100, 0x3000), // TPM_PIRQ#
+	PAD_NC(GPP_E2, NONE),
+	PAD_CFG_GPO(GPP_E3, 1, PLTRST), // WIFI_RF_EN
+	PAD_CFG_GPO(GPP_E4, 0, PLTRST), // TBT_FORCE_PWR
+	PAD_NC(GPP_E5, NONE),
+	PAD_CFG_GPO(GPP_E6, 0, DEEP), // JTAG ODT DISABLE strap
+	PAD_CFG_GPI(GPP_E7, NONE, DEEP), // SMI#
+	PAD_CFG_GPO(GPP_E8, 0, DEEP), // SLP_DRAM#
+	PAD_CFG_NF(GPP_E9, NONE, DEEP, NF1), // USB_OC0#
+	PAD_NC(GPP_E10, NONE),
+	PAD_CFG_GPI(GPP_E11, NONE,  DEEP), // BOARD_ID1
+	PAD_CFG_GPI_INT(GPP_E12, NONE, PLTRST, LEVEL), // TP_ATTN#
+	PAD_NC(GPP_E13, NONE),
+	PAD_CFG_NF(GPP_E14, NONE, DEEP, NF1), // EDP_HPD
+	PAD_NC(GPP_E15, NONE),
+	PAD_NC(GPP_E16, NONE),
+	PAD_NC(GPP_E17, NONE),
+	PAD_NC(GPP_E18, NATIVE), // TBT_LSX0_TXD
+	PAD_NC(GPP_E19, NATIVE), // TBT_LSX0_RXD
+	PAD_NC(GPP_E20, NONE),
+	PAD_NC(GPP_E21, NONE),
+	PAD_NC(GPP_E22, NONE),
+	PAD_NC(GPP_E23, NONE),
+
+	/* ------- GPIO Group GPP_F ------- */
+	PAD_CFG_NF(GPP_F0, NONE, DEEP, NF1), // CNVI_BRI_DT
+	PAD_CFG_NF(GPP_F1, UP_20K, DEEP, NF1), // CNVI_BRI_RSP
+	PAD_CFG_NF(GPP_F2, NONE, DEEP, NF1), // CNVI_RGI_DT
+	PAD_CFG_NF(GPP_F3, UP_20K, DEEP, NF1), // CNVI_RGI_RSP
+	PAD_CFG_NF(GPP_F4, NONE, DEEP, NF1), // CNVI_RST#
+	//PAD_CFG_NF(GPP_F5, NONE, DEEP, NF2), // CNVI_CLKREQ
+	PAD_CFG_NF(GPP_F6, NONE, DEEP, NF1), // CNVI_GNSS_PA_BLANKING
+	PAD_NC(GPP_F7, NONE), // MCRO LDO BYPASS strap
+	//PAD_NC(GPP_F8, NONE),
+	PAD_NC(GPP_F9, NONE),
+	PAD_CFG_GPO(GPP_F10, 1, PLTRST), // CARD_RTD3_RST#
+	PAD_NC(GPP_F11, NONE),
+	PAD_NC(GPP_F12, NONE),
+	PAD_NC(GPP_F13, NONE),
+	PAD_NC(GPP_F14, NONE),
+	PAD_NC(GPP_F15, NONE),
+	PAD_NC(GPP_F16, NONE),
+	PAD_CFG_GPO(GPP_F17, 1, PLTRST), // GPIO_SDCARD_EN
+	PAD_CFG_GPO(GPP_F18, 0, DEEP), // CCD_WP#
+	//PAD_CFG_NF(GPP_F19, NONE, DEEP, NF1), // CARD_CLKREQ#
+	PAD_CFG_GPO(GPP_F20, 1, PLTRST), // M2_SSD2_RST#
+	PAD_NC(GPP_F21, NONE),
+	PAD_NC(GPP_F22, NONE),
+	PAD_NC(GPP_F23, NONE),
+
+	/* ------- GPIO Group GPP_H ------- */
+	PAD_CFG_GPO(GPP_H0, 1, PLTRST), // MS_SSD1_RST#
+	PAD_NC(GPP_H1, NONE),
+	PAD_CFG_GPO(GPP_H2, 1, PLTRST), // WLAN_RST#
+	PAD_CFG_GPI(GPP_H3, NONE, DEEP), // TPM_DET
+	PAD_CFG_NF(GPP_H4, NONE, DEEP, NF1), // I2C_SDA_TP
+	PAD_CFG_NF(GPP_H5, NONE, DEEP, NF1), // I2C_SCL_TP
+	PAD_CFG_NF(GPP_H6, NONE, DEEP, NF1), // PCH_I2C_SDA
+	PAD_CFG_NF(GPP_H7, NONE, DEEP, NF1), // PCH_I2C_SCL
+	PAD_CFG_NF(GPP_H8, NONE, DEEP, NF2), // CNVI_MFUART2_RXD
+	PAD_CFG_NF(GPP_H9, NONE, DEEP, NF2), // CNVI_MFUART2_TXD
+	//PAD_CFG_NF(GPP_H10, NONE, DEEP, NF1), // UART0_RX
+	//PAD_CFG_NF(GPP_H11, NONE, DEEP, NF1), // UART0_TX
+	PAD_CFG_NF(GPP_H12, NONE, DEEP, NF1), // SATA1_DEVSLP1
+	PAD_NC(GPP_H13, NONE),
+	//PAD_NC(GPP_H14, NONE),
+	PAD_CFG_NF(GPP_H15, NONE, DEEP, NF1), // HDMI_CTRLCLK
+	//PAD_NC(GPP_H16, NONE),
+	PAD_CFG_NF(GPP_H17, NONE, DEEP, NF1), // HDMI_CTRLDATA
+	PAD_CFG_NF(GPP_H18, NONE, DEEP, NF1), // CPU_C10_GATE#
+	PAD_NC(GPP_H19, NONE),
+	PAD_CFG_GPO(GPP_H20, 0, DEEP), // PM_CLKRUN#
+	PAD_NC(GPP_H21, NONE),
+	PAD_NC(GPP_H22, NONE),
+	PAD_NC(GPP_H23, NONE),
+
+	/* ------- GPIO Group GPP_R ------- */
+	PAD_CFG_NF(GPP_R0, NONE, DEEP, NF1), // HDA_BITCLK
+	PAD_CFG_NF(GPP_R1, NATIVE, DEEP, NF1), // HDA_SYNC
+	PAD_CFG_NF(GPP_R2, NATIVE, DEEP, NF1), // HDA_SDOUT
+	PAD_CFG_NF(GPP_R3, NATIVE, DEEP, NF1), // HDA_SDIN0
+	PAD_CFG_NF(GPP_R4, NONE, DEEP, NF1), // HDA_RST#
+	PAD_NC(GPP_R5, NONE),
+	PAD_NC(GPP_R6, NONE), // DMIC_CLK
+	PAD_NC(GPP_R7, NONE), // DMIC_DAT
+
+	/* ------- GPIO Group GPP_S ------- */
+	PAD_NC(GPP_S0, NONE),
+	PAD_NC(GPP_S1, NONE),
+	PAD_NC(GPP_S2, NONE),
+	PAD_NC(GPP_S3, NONE),
+	PAD_NC(GPP_S4, NONE),
+	PAD_NC(GPP_S5, NONE),
+	PAD_NC(GPP_S6, NONE),
+	PAD_NC(GPP_S7, NONE),
+
+	/* ------- GPIO Group GPP_T ------- */
+	PAD_NC(GPP_T2, NONE),
+	PAD_NC(GPP_T3, NONE),
+};
+
+void mainboard_configure_gpios(void)
+{
+	gpio_configure_pads(gpio_table, ARRAY_SIZE(gpio_table));
+}

src/mainboard/system76/adl-p/variants/lemp11/gpio_early.c

@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <mainboard/gpio.h>
+#include <soc/gpio.h>
+
+static const struct pad_config early_gpio_table[] = {
+	PAD_CFG_NF(GPP_H10, NONE, DEEP, NF1), // UART0_RX
+	PAD_CFG_NF(GPP_H11, NONE, DEEP, NF1), // UART0_TX
+};
+
+void mainboard_configure_early_gpios(void)
+{
+	gpio_configure_pads(early_gpio_table, ARRAY_SIZE(early_gpio_table));
+}

src/mainboard/system76/adl-p/variants/lemp11/hda_verb.c

@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <device/azalia_device.h>
+
+const u32 cim_verb_data[] = {
+	/* Realtek, ALC256 */
+	0x10ec0256,
+	0x15587718,
+	11,
+	AZALIA_SUBVENDOR(0, 0x15587718),
+	AZALIA_PIN_CFG(0, 0x12, 0x90a60130),
+	AZALIA_PIN_CFG(0, 0x13, 0x40000000),
+	AZALIA_PIN_CFG(0, 0x14, 0x90170110),
+	AZALIA_PIN_CFG(0, 0x18, 0x411111f0),
+	AZALIA_PIN_CFG(0, 0x19, 0x411111f0),
+	AZALIA_PIN_CFG(0, 0x1a, 0x411111f0),
+	AZALIA_PIN_CFG(0, 0x1b, 0x411111f0),
+	AZALIA_PIN_CFG(0, 0x1d, 0x41700001),
+	AZALIA_PIN_CFG(0, 0x1e, 0x411111f0),
+	AZALIA_PIN_CFG(0, 0x21, 0x02211020),
+};
+
+const u32 pc_beep_verbs[] = {};
+
+AZALIA_ARRAY_SIZES;

src/mainboard/system76/adl-p/variants/lemp11/overridetree.cb

@@ -0,0 +1,167 @@
+chip soc/intel/alderlake
+	register "power_limits_config[ADL_P_142_242_282_15W_CORE]" = "{
+		.tdp_pl1_override = 15,
+		.tdp_pl2_override = 46,
+		.tdp_pl4 = 65,
+	}"
+
+	# GPE configuration
+	register "pmc_gpe0_dw0" = "PMC_GPP_A"
+	register "pmc_gpe0_dw1" = "PMC_GPP_R"
+	register "pmc_gpe0_dw2" = "PMC_GPD"
+
+	device domain 0 on
+		subsystemid 0x1558 0x7718 inherit
+
+		device ref pcie4_0 on
+			# PCIe PEG0 x4, Clock 0 (SSD2)
+			register "cpu_pcie_rp[CPU_RP(1)]" = "{
+				.clk_src = 0,
+				.clk_req = 0,
+				.flags = PCIE_RP_LTR,
+			}"
+			chip soc/intel/common/block/pcie/rtd3
+				register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D14)" # SSD2_PWR_EN
+				register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_F20)" # M2_CPU_SSD2_RST#
+				register "srcclk_pin" = "0" # SSD0_CLKREQ#
+				device generic 0 on end
+			end
+		end
+		device ref tcss_xhci on
+			register "tcss_ports[0]" = "TCSS_PORT_DEFAULT(OC_SKIP)"
+			chip drivers/usb/acpi
+				device ref tcss_root_hub on
+					chip drivers/usb/acpi
+						register "desc" = ""TBT Type-C""
+						register "type" = "UPC_TYPE_C_USB2_SS_SWITCH"
+						device ref tcss_usb3_port1 on end
+					end
+				end
+			end
+		end
+		device ref xhci on
+			# USB2
+			register "usb2_ports[0]" = "USB2_PORT_MID(OC_SKIP)" # Type-A Left
+			register "usb2_ports[1]" = "USB2_PORT_MID(OC_SKIP)" # Type-A Right
+			register "usb2_ports[2]" = "USB2_PORT_TYPE_C(OC_SKIP)" # J_TYPEC1
+			register "usb2_ports[3]" = "USB2_PORT_MID(OC_SKIP)" # 3G/LTE
+			register "usb2_ports[6]" = "USB2_PORT_MID(OC_SKIP)" # Camera
+			register "usb2_ports[9]" = "USB2_PORT_MID(OC_SKIP)" # Bluetooth
+			# USB3
+			register "usb3_ports[0]" = "USB3_PORT_DEFAULT(OC_SKIP)" # Type-A Left
+			register "usb3_ports[1]" = "USB3_PORT_DEFAULT(OC_SKIP)" # Type-A Right
+			register "usb3_ports[3]" = "USB3_PORT_DEFAULT(OC_SKIP)" # 3G/LTE
+			# ACPI
+			chip drivers/usb/acpi
+				device ref xhci_root_hub on
+					chip drivers/usb/acpi
+						register "desc" = ""USB2 Type-A Left""
+						register "type" = "UPC_TYPE_A"
+						device ref usb2_port1 on end
+					end
+					chip drivers/usb/acpi
+						register "desc" = ""USB2 Type-A Right""
+						register "type" = "UPC_TYPE_A"
+						device ref usb2_port2 on end
+					end
+					chip drivers/usb/acpi
+						register "desc" = ""USB2 Type-C""
+						register "type" = "UPC_TYPE_C_USB2_SS_SWITCH"
+						device ref usb2_port3 on end
+					end
+					chip drivers/usb/acpi
+						register "desc" = ""USB2 3G/LTE""
+						register "type" = "UPC_TYPE_INTERNAL"
+						device ref usb2_port4 on end
+					end
+					chip drivers/usb/acpi
+						register "desc" = ""USB2 Camera""
+						register "type" = "UPC_TYPE_INTERNAL"
+						device ref usb2_port7 on end
+					end
+					chip drivers/usb/acpi
+						register "desc" = ""USB2 Bluetooth""
+						register "type" = "UPC_TYPE_INTERNAL"
+						device ref usb2_port10 on end
+					end
+					chip drivers/usb/acpi
+						register "desc" = ""USB3 Type-A Left""
+						register "type" = "UPC_TYPE_A"
+						device ref usb3_port1 on end
+					end
+					chip drivers/usb/acpi
+						register "desc" = ""USB3 Type-A Right""
+						register "type" = "UPC_TYPE_A"
+						device ref usb3_port2 on end
+					end
+					chip drivers/usb/acpi
+						register "desc" = ""USB3 Type-C""
+						register "type" = "UPC_TYPE_C_USB2_SS_SWITCH"
+						device ref usb3_port3 on end
+					end
+				end
+			end
+		end
+		device ref tcss_dma0 on
+			chip drivers/intel/usb4/retimer
+				register "dfp[0].power_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_E4)"
+				use tcss_usb3_port1 as dfp[0].typec_port
+				device generic 0 on end
+			end
+		end
+		device ref pcie_rp5 on
+			# PCIe RP#5 x1, Clock 2 (WLAN)
+			register "pch_pcie_rp[PCH_RP(5)]" = "{
+				.clk_src = 2,
+				.clk_req = 2,
+				.flags = PCIE_RP_LTR | PCIE_RP_AER,
+			}"
+			chip soc/intel/common/block/pcie/rtd3
+				register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_A13)" # PCH_BT_EN
+				register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_B17)" # WLAN_RST#
+				register "srcclk_pin" = "2" # WLAN_CLKREQ#
+				device generic 0 on end
+			end
+		end
+		device ref pcie_rp6 on
+			# PCIe RP#6 x1, Clock 6 (CARD)
+			register "pch_pcie_rp[PCH_RP(6)]" = "{
+				.clk_src = 6,
+				.clk_req = 6,
+				.flags = PCIE_RP_HOTPLUG | PCIE_RP_LTR | PCIE_RP_AER,
+			}"
+			chip soc/intel/common/block/pcie/rtd3
+				register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_F17)" # GPIO_SDCARD_EN
+				register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_F10)" # CARD_RTD3_RST#
+				register "srcclk_pin" = "6" # CARD_CLKREQ#
+				device generic 0 on end
+			end
+		end
+		device ref pcie_rp9 on
+			# PCIe RP#9 x4, Clock 1 (SSD1)
+			register "pch_pcie_rp[PCH_RP(9)]" = "{
+				.clk_src = 1,
+				.clk_req = 1,
+				.flags = PCIE_RP_LTR,
+			}"
+			chip soc/intel/common/block/pcie/rtd3
+				register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D16)" # SSD1_PWR_EN
+				register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_H0)" # M2_SSD1_RST#
+				register "srcclk_pin" = "1" # SSD1_CLKREQ#
+				device generic 0 on end
+			end
+		end
+		device ref pmc hidden
+			chip drivers/intel/pmc_mux
+				device generic 0 on
+					chip drivers/intel/pmc_mux/conn
+						# J_TYPEC1
+						use usb2_port3 as usb2_port
+						use tcss_usb3_port1 as usb3_port
+						device generic 0 alias conn0 on end
+					end
+				end
+			end
+		end
+	end
+end

src/mainboard/system76/adl-p/variants/lemp11/romstage.c

@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <soc/meminit.h>
+#include <soc/romstage.h>
+
+void mainboard_memory_init_params(FSPM_UPD *mupd)
+{
+	const struct mb_cfg board_cfg = {
+		.type = MEM_TYPE_DDR4,
+		.rcomp = { .resistor = 100, },
+	};
+	const struct mem_spd spd_info = {
+		.topo = MEM_TOPO_MIXED,
+		.cbfs_index = 0,
+		.smbus[1] = { .addr_dimm[0] = 0x52, },
+	};
+	const bool half_populated = false;
+
+	mupd->FspmConfig.PchHdaAudioLinkHdaEnable = 1;
+	mupd->FspmConfig.DmiMaxLinkSpeed = 4;
+	mupd->FspmConfig.GpioOverride = 0;
+
+	memcfg_init(mupd, &board_cfg, &spd_info, half_populated);
+}

src/mainboard/system76/bonw14/Kconfig

@@ -3,7 +3,9 @@ if BOARD_SYSTEM76_BONW14
 config BOARD_SPECIFIC_OPTIONS
 	def_bool y
 	select BOARD_ROMSIZE_KB_16384
+	select DRIVERS_GFX_NVIDIA
 	select DRIVERS_I2C_HID
+	select DRIVERS_I2C_TAS5825M
 	select EC_SYSTEM76_EC
 	select EC_SYSTEM76_EC_BAT_THRESHOLDS
 	select EC_SYSTEM76_EC_COLOR_KEYBOARD

src/mainboard/system76/bonw14/Makefile.inc

@@ -8,3 +8,4 @@ romstage-y += romstage.c
 ramstage-y += ramstage.c
 ramstage-y += gpio.c
 ramstage-y += hda_verb.c
+ramstage-y += tas5825m.c

src/mainboard/system76/bonw14/cmos.layout

@@ -14,7 +14,7 @@ entries
 412	4	e	6	debug_level
 416	1	e	2	me_state
 417	3	h	0	me_state_counter
-984	16	h	0	check_sum
+976	16	h	0	check_sum
 
 enumerations
 
@@ -36,4 +36,4 @@ enumerations
 
 checksums
 
-checksum 408 983 984
+checksum 408 975 976

src/mainboard/system76/bonw14/devicetree.cb

@@ -62,10 +62,12 @@ chip soc/intel/cannonlake
 			register "PcieClkSrcUsage[7]" = "0x40"
 			register "PcieClkSrcClkReq[7]" = "7"
 
-			device pci 00.0 on end # VGA controller
-			device pci 00.1 on end # Audio device
-			device pci 00.2 on end # USB xHCI Host controller
-			device pci 00.3 on end # USB Type-C UCSI controller
+			chip drivers/gfx/nvidia
+				device pci 00.0 on end # VGA controller
+				device pci 00.1 on end # Audio device
+				device pci 00.2 on end # USB xHCI Host controller
+				device pci 00.3 on end # USB Type-C UCSI controller
+			end
 		end
 		# TODO: is this enough to disable iGPU?
 		device pci 02.0 off end # Integrated Graphics Device
@@ -105,7 +107,7 @@ chip soc/intel/cannonlake
 			chip drivers/i2c/hid
 				register "generic.hid" = ""PNP0C50""
 				register "generic.desc" = ""Synaptics Touchpad""
-				register "generic.irq" = "ACPI_IRQ_EDGE_LOW(GPP_E7_IRQ)"
+				register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_E7_IRQ)"
 				register "generic.probed" = "1"
 				register "hid_desc_reg_offset" = "0x20"
 				device i2c 2c on end
@@ -217,7 +219,16 @@ chip soc/intel/cannonlake
 		device pci 1f.3 on      # Intel HDA
 			register "PchHdaAudioLinkHda" = "1"
 		end
-		device pci 1f.4 on  end # SMBus
+		device pci 1f.4 on      # SMBus
+			chip drivers/i2c/tas5825m
+				register "id" = "0"
+				device i2c 4e on end # (8bit address: 0x9c)
+			end
+			chip drivers/i2c/tas5825m
+				register "id" = "1"
+				device i2c 4f on end # (8bit address: 0x9e)
+			end
+		end
 		device pci 1f.5 on  end # PCH SPI
 		device pci 1f.6 off end # GbE
 	end

src/mainboard/system76/bonw14/tas5825m.c

@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <drivers/i2c/tas5825m/tas5825m.h>
+
+#include "tas5825m-normal.c"
+#include "tas5825m-sub.c"
+
+int tas5825m_setup(struct device *dev, int id)
+{
+	if (id == 0)
+		return tas5825m_setup_normal(dev);
+	if (id == 1)
+		return tas5825m_setup_sub(dev);
+	return -1;
+}

src/mainboard/system76/cml-u/Kconfig

@@ -23,6 +23,7 @@ config BOARD_SPECIFIC_OPTIONS
 	select SPD_READ_BY_WORD
 	select SYSTEM_TYPE_LAPTOP
 	select TPM_MEASURED_BOOT
+	select TPM_RDRESP_NEED_DELAY
 
 config MAINBOARD_DIR
 	default "system76/cml-u"

src/mainboard/system76/cml-u/acpi/backlight.asl

@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <drivers/intel/gma/acpi/gma.asl>
+
+Scope (GFX0)
+{
+	Name (BRIG, Package (22) {
+		40, /* default AC */
+		40, /* default Battery */
+		5,
+		10,
+		15,
+		20,
+		25,
+		30,
+		35,
+		40,
+		45,
+		50,
+		55,
+		60,
+		65,
+		70,
+		75,
+		80,
+		85,
+		90,
+		95,
+		100
+	})
+}

src/mainboard/system76/cml-u/acpi/mainboard.asl

@@ -6,6 +6,9 @@
 
 Scope (\_SB) {
 	#include "sleep.asl"
+	Scope (PCI0) {
+		#include "backlight.asl"
+	}
 }
 
 Scope (\_GPE) {

src/mainboard/system76/cml-u/cmos.layout

@@ -14,7 +14,7 @@ entries
 412	4	e	6	debug_level
 416	1	e	2	me_state
 417	3	h	0	me_state_counter
-984	16	h	0	check_sum
+976	16	h	0	check_sum
 
 enumerations
 
@@ -36,4 +36,4 @@ enumerations
 
 checksums
 
-checksum 408 983 984
+checksum 408 975 976

src/mainboard/system76/cml-u/dsdt.asl

@@ -19,7 +19,6 @@ DefinitionBlock(
 	{
 		#include <soc/intel/common/block/acpi/acpi/northbridge.asl>
 		#include <soc/intel/cannonlake/acpi/southbridge.asl>
-		#include <drivers/intel/gma/acpi/default_brightness_levels.asl>
 	}
 
 	#include <southbridge/intel/common/acpi/sleepstates.asl>

src/mainboard/system76/cml-u/gpio.c

@@ -95,7 +95,7 @@ static const struct pad_config gpio_table[] = {
 	PAD_CFG_NF(GPP_C20, NONE, DEEP, NF1), // UART2_RXD
 	PAD_CFG_NF(GPP_C21, NONE, DEEP, NF1), // UART2_TXD
 	PAD_NC(GPP_C22, NONE),
-	PAD_CFG_GPI_APIC_EDGE_LOW(GPP_C23, NONE, PLTRST), // NC on galp4, TP_ATTN# on darp6
+	PAD_CFG_GPI_APIC_LOW(GPP_C23, NONE, PLTRST), // NC on galp4, TP_ATTN# on darp6
 
 	/* ------- GPIO Group D ------- */
 	PAD_NC(GPP_D0, NONE),

src/mainboard/system76/cml-u/variants/darp6/overridetree.cb

@@ -5,7 +5,7 @@ chip soc/intel/cannonlake
 			chip drivers/i2c/hid
 				register "generic.hid" = ""PNP0C50""
 				register "generic.desc" = ""Synaptics Touchpad""
-				register "generic.irq" = "ACPI_IRQ_EDGE_LOW(GPP_C23_IRQ)"
+				register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_C23_IRQ)"
 				register "generic.probed" = "1"
 				register "hid_desc_reg_offset" = "0x20"
 				device i2c 2c on end

src/mainboard/system76/darp7/acpi/backlight.asl

@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <drivers/intel/gma/acpi/gma.asl>
+
+Scope (GFX0)
+{
+	Name (BRIG, Package (22) {
+		40, /* default AC */
+		40, /* default Battery */
+		5,
+		10,
+		15,
+		20,
+		25,
+		30,
+		35,
+		40,
+		45,
+		50,
+		55,
+		60,
+		65,
+		70,
+		75,
+		80,
+		85,
+		90,
+		95,
+		100
+	})
+}

src/mainboard/system76/darp7/acpi/mainboard.asl

@@ -6,4 +6,7 @@
 
 Scope (\_SB) {
 	#include "sleep.asl"
+	Scope (PCI0) {
+		#include "backlight.asl"
+	}
 }

src/mainboard/system76/darp7/cmos.layout

@@ -14,7 +14,7 @@ entries
 412	4	e	6	debug_level
 416	1	e	2	me_state
 417	3	h	0	me_state_counter
-984	16	h	0	check_sum
+976	16	h	0	check_sum
 
 enumerations
 
@@ -36,4 +36,4 @@ enumerations
 
 checksums
 
-checksum 408 983 984
+checksum 408 975 976

src/mainboard/system76/darp7/dsdt.asl

@@ -20,7 +20,6 @@ DefinitionBlock(
 		#include <soc/intel/common/block/acpi/acpi/northbridge.asl>
 		#include <soc/intel/tigerlake/acpi/southbridge.asl>
 		#include <soc/intel/tigerlake/acpi/tcss.asl>
-		#include <drivers/intel/gma/acpi/default_brightness_levels.asl>
 	}
 
 	#include <southbridge/intel/common/acpi/sleepstates.asl>

src/mainboard/system76/galp5/Kconfig

@@ -3,6 +3,7 @@ if BOARD_SYSTEM76_GALP5
 config BOARD_SPECIFIC_OPTIONS
 	def_bool y
 	select BOARD_ROMSIZE_KB_16384
+	select DRIVERS_GFX_NVIDIA
 	select DRIVERS_I2C_HID
 	select DRIVERS_INTEL_PMC
 	select DRIVERS_INTEL_USB4_RETIMER
@@ -24,6 +25,7 @@ config BOARD_SPECIFIC_OPTIONS
 	select SPD_READ_BY_WORD
 	select SYSTEM_TYPE_LAPTOP
 	select TPM_MEASURED_BOOT
+	select TPM_RDRESP_NEED_DELAY
 
 config MAINBOARD_DIR
 	default "system76/galp5"
@@ -59,4 +61,7 @@ config UART_FOR_CONSOLE
 config USE_PM_ACPI_TIMER
 	default n
 
+config DRIVERS_GFX_NVIDIA_BRIDGE
+	default 0x1c
+
 endif

src/mainboard/system76/galp5/acpi/backlight.asl

@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <drivers/intel/gma/acpi/gma.asl>
+
+Scope (GFX0)
+{
+	Name (BRIG, Package (22) {
+		40, /* default AC */
+		40, /* default Battery */
+		5,
+		10,
+		15,
+		20,
+		25,
+		30,
+		35,
+		40,
+		45,
+		50,
+		55,
+		60,
+		65,
+		70,
+		75,
+		80,
+		85,
+		90,
+		95,
+		100
+	})
+}

src/mainboard/system76/galp5/acpi/mainboard.asl

@@ -1,9 +1,17 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
+#include "../gpio.h"
+
 #define EC_GPE_SCI 0x6E
 #define EC_GPE_SWI 0x6B
 #include <ec/system76/ec/acpi/ec.asl>
 
 Scope (\_SB) {
 	#include "sleep.asl"
+	Scope (PCI0) {
+		#include "backlight.asl"
+		Scope (RP01) { // Remapped from RP05
+			#include <drivers/gfx/nvidia/acpi/tigerlake.asl>
+		}
+	}
 }

src/mainboard/system76/galp5/cmos.layout

@@ -14,7 +14,7 @@ entries
 412	4	e	6	debug_level
 416	1	e	2	me_state
 417	3	h	0	me_state_counter
-984	16	h	0	check_sum
+976	16	h	0	check_sum
 
 enumerations
 
@@ -36,4 +36,4 @@ enumerations
 
 checksums
 
-checksum 408 983 984
+checksum 408 975 976

src/mainboard/system76/galp5/devicetree.cb

@@ -263,15 +263,11 @@ chip soc/intel/tigerlake
 			register "PcieRpLtrEnable[4]" = "1"
 			register "PcieClkSrcUsage[2]" = "4"
 			register "PcieClkSrcClkReq[2]" = "2"
-			chip soc/intel/common/block/pcie/rtd3
-				register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_U5)" # DGPU_PWR_EN
-				register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_U4)" # DGPU_RST#_PCH
-				register "enable_delay_ms" = "16"
-				register "enable_off_delay_ms" = "4"
-				register "reset_delay_ms" = "10"
-				register "reset_off_delay_ms" = "4"
-				register "srcclk_pin" = "2" # PEG_CLKREQ#
-				device generic 0 on end
+			chip drivers/gfx/nvidia
+				device pci 00.0 on end # VGA controller
+				device pci 00.1 on end # Audio device
+				device pci 00.2 on end # USB xHCI Host controller
+				device pci 00.3 on end # USB Type-C UCSI controller
 			end
 		end
 		device ref pcie_rp9 on

src/mainboard/system76/galp5/dsdt.asl

@@ -20,7 +20,6 @@ DefinitionBlock(
 		#include <soc/intel/common/block/acpi/acpi/northbridge.asl>
 		#include <soc/intel/tigerlake/acpi/southbridge.asl>
 		#include <soc/intel/tigerlake/acpi/tcss.asl>
-		#include <drivers/intel/gma/acpi/default_brightness_levels.asl>
 	}
 
 	#include <southbridge/intel/common/acpi/sleepstates.asl>

src/mainboard/system76/galp5/gpio.h

@@ -5,6 +5,13 @@
 
 #include <soc/gpio.h>
 
+#define DGPU_RST_N	GPP_U4
+#define DGPU_PWR_EN	GPP_U5
+#define DGPU_GC6	GPP_D2
+#define DGPU_SSID	0x40181558
+
+#ifndef __ACPI__
+
 static const struct pad_config early_gpio_table[] = {
 	PAD_CFG_NF(GPP_C20, UP_20K, DEEP, NF1), // UART2_RXD
 	PAD_CFG_NF(GPP_C21, UP_20K, DEEP, NF1), // UART2_TXD
@@ -222,4 +229,6 @@ static const struct pad_config gpio_table[] = {
 	//PAD_CFG_GPO(GPP_U5, 0, DEEP), // DGPU_PWR_EN
 };
 
+#endif /* __ACPI__ */
+
 #endif /* MAINBOARD_GPIO_H */

src/mainboard/system76/galp5/ramstage.c

@@ -3,11 +3,9 @@
 #include <soc/ramstage.h>
 #include "gpio.h"
 
-static void mainboard_init(void *chip_info)
+void mainboard_silicon_init_params(FSP_S_CONFIG *params)
 {
+	params->CpuPcieRpAdvancedErrorReporting[0] = 0;
+
 	gpio_configure_pads(gpio_table, ARRAY_SIZE(gpio_table));
 }
-
-struct chip_operations mainboard_ops = {
-	.init = mainboard_init,
-};

src/mainboard/system76/galp5/romstage.c

@@ -1,5 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
+#include "gpio.h"
+#include <drivers/gfx/nvidia/gpu.h>
 #include <fsp/util.h>
 #include <soc/meminit.h>
 #include <soc/romstage.h>
@@ -18,5 +20,20 @@ void mainboard_memory_init_params(FSPM_UPD *mupd)
 	};
 	const bool half_populated = false;
 
+	const struct nvidia_gpu_config config = {
+		.power_gpio = DGPU_PWR_EN,
+		.reset_gpio = DGPU_RST_N,
+		.enable = true,
+	};
+
+	// Enable dGPU power
+	nvidia_set_power(&config);
+
+	// Set primary display to internal graphics
+	mupd->FspmConfig.PrimaryDisplay = 0;
+
+	// Allow memory clocks higher than 2933 MHz
+	mupd->FspmConfig.SaOcSupport = 1;
+
 	memcfg_init(&mupd->FspmConfig, &board_cfg, &spd_info, half_populated);
 }

src/mainboard/system76/gaze15/Kconfig

@@ -3,6 +3,7 @@ if BOARD_SYSTEM76_GAZE14 || BOARD_SYSTEM76_GAZE15
 config BOARD_SPECIFIC_OPTIONS
 	def_bool y
 	select BOARD_ROMSIZE_KB_16384
+	select DRIVERS_GFX_NVIDIA
 	select DRIVERS_I2C_HID
 	select EC_SYSTEM76_EC
 	select EC_SYSTEM76_EC_BAT_THRESHOLDS

src/mainboard/system76/gaze15/Makefile.inc

@@ -1,4 +1,4 @@
-CPPFLAGS_common += -I$(src)/mainboard/$(MAINBOARDDIR)/include
+CPPFLAGS_common += -I$(src)/mainboard/$(MAINBOARDDIR)/variants/$(VARIANT_DIR)/include
 
 bootblock-y += bootblock.c
 bootblock-y += variants/$(VARIANT_DIR)/gpio_early.c

src/mainboard/system76/gaze15/acpi/backlight.asl

@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <drivers/intel/gma/acpi/gma.asl>
+
+Scope (GFX0)
+{
+	Name (BRIG, Package (22) {
+		40, /* default AC */
+		40, /* default Battery */
+		5,
+		10,
+		15,
+		20,
+		25,
+		30,
+		35,
+		40,
+		45,
+		50,
+		55,
+		60,
+		65,
+		70,
+		75,
+		80,
+		85,
+		90,
+		95,
+		100
+	})
+}

src/mainboard/system76/gaze15/acpi/mainboard.asl

@@ -1,11 +1,20 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
+#include <variant/gpio.h>
+
 #define EC_GPE_SCI 0x03 /* GPP_K3 */
 #define EC_GPE_SWI 0x06 /* GPP_K6 */
 #include <ec/system76/ec/acpi/ec.asl>
 
 Scope (\_SB) {
 	#include "sleep.asl"
+	Scope (PCI0) {
+		#include "backlight.asl"
+		Device (PEGP) {
+			Name (_ADR, CONFIG_DRIVERS_GFX_NVIDIA_BRIDGE << 16)
+			#include <drivers/gfx/nvidia/acpi/coffeelake.asl>
+		}
+	}
 }
 
 Scope (\_GPE) {

src/mainboard/system76/gaze15/cmos.layout

@@ -14,7 +14,7 @@ entries
 412	4	e	6	debug_level
 416	1	e	2	me_state
 417	3	h	0	me_state_counter
-984	16	h	0	check_sum
+976	16	h	0	check_sum
 
 enumerations
 
@@ -36,4 +36,4 @@ enumerations
 
 checksums
 
-checksum 408 983 984
+checksum 408 975 976

src/mainboard/system76/gaze15/devicetree.cb

@@ -57,6 +57,13 @@ chip soc/intel/cannonlake
 			# PCI Express Graphics #0 x16, Clock 8 (NVIDIA GPU)
 			register "PcieClkSrcUsage[8]" = "0x40"
 			register "PcieClkSrcClkReq[8]" = "8"
+
+			chip drivers/gfx/nvidia
+				device pci 00.0 on end # VGA controller
+				device pci 00.1 on end # Audio device
+				device pci 00.2 on end # USB xHCI Host controller
+				device pci 00.3 on end # USB Type-C UCSI controller
+			end
 		end
 		device pci 02.0 on      # Integrated Graphics Device
 			register "gfx" = "GMA_DEFAULT_PANEL(0)"

src/mainboard/system76/gaze15/dsdt.asl

@@ -18,7 +18,6 @@ DefinitionBlock(
 	Device (\_SB.PCI0) {
 		#include <soc/intel/common/block/acpi/acpi/northbridge.asl>
 		#include <soc/intel/cannonlake/acpi/southbridge.asl>
-		#include <drivers/intel/gma/acpi/default_brightness_levels.asl>
 	}
 
 	#include <southbridge/intel/common/acpi/sleepstates.asl>

src/mainboard/system76/gaze15/romstage.c

@@ -1,7 +1,9 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
+#include <drivers/gfx/nvidia/gpu.h>
 #include <soc/cnl_memcfg_init.h>
 #include <soc/romstage.h>
+#include <variant/gpio.h>
 
 static const struct cnl_mb_cfg memcfg = {
 	.spd[0] = {
@@ -20,5 +22,17 @@ static const struct cnl_mb_cfg memcfg = {
 
 void mainboard_memory_init_params(FSPM_UPD *memupd)
 {
+	const struct nvidia_gpu_config config = {
+		.power_gpio = DGPU_PWR_EN,
+		.reset_gpio = DGPU_RST_N,
+		.enable = true,
+	};
+
+	// Enable dGPU power
+	nvidia_set_power(&config);
+
+	// Set primary display to internal graphics
+	memupd->FspmConfig.PrimaryDisplay = 0;
+
 	cannonlake_memcfg_init(&memupd->FspmConfig, &memcfg);
 }

src/mainboard/system76/gaze15/variants/gaze14/include/variant/gpio.h

@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef VARIANT_GPIO_H
+#define VARIANT_GPIO_H
+
+#include <soc/gpio.h>
+
+#define DGPU_RST_N	GPP_F22
+#define DGPU_PWR_EN	GPP_F23
+#define DGPU_GC6	GPP_K21
+#define DGPU_SSID	0x85501558
+
+#ifndef __ACPI__
+void variant_configure_early_gpios(void);
+void variant_configure_gpios(void);
+#endif
+
+#endif

src/mainboard/system76/gaze15/variants/gaze14/overridetree.cb

@@ -13,7 +13,7 @@ chip soc/intel/cannonlake
 			chip drivers/i2c/hid
 				register "generic.hid" = ""PNP0C50""
 				register "generic.desc" = ""Synaptics Touchpad""
-				register "generic.irq" = "ACPI_IRQ_EDGE_LOW(GPP_E7_IRQ)"
+				register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_E7_IRQ)"
 				register "generic.probed" = "1"
 				register "hid_desc_reg_offset" = "0x20"
 				device i2c 2c on end

src/mainboard/system76/gaze15/variants/gaze15/include/variant/gpio.h

@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef VARIANT_GPIO_H
+#define VARIANT_GPIO_H
+
+#include <soc/gpio.h>
+
+#define DGPU_RST_N	GPP_F22
+#define DGPU_PWR_EN	GPP_F23
+#define DGPU_GC6	GPP_K21
+#define DGPU_SSID	0x85201558
+
+#ifndef __ACPI__
+void variant_configure_early_gpios(void);
+void variant_configure_gpios(void);
+#endif
+
+#endif

src/mainboard/system76/gaze16/Kconfig

@@ -3,6 +3,7 @@ if BOARD_SYSTEM76_GAZE16_3050 || BOARD_SYSTEM76_GAZE16_3060 || BOARD_SYSTEM76_GA
 config BOARD_SPECIFIC_OPTIONS
 	def_bool y
 	select BOARD_ROMSIZE_KB_16384
+	select DRIVERS_GFX_NVIDIA
 	select DRIVERS_I2C_HID
 	select EC_SYSTEM76_EC
 	select EC_SYSTEM76_EC_BAT_THRESHOLDS
@@ -20,6 +21,7 @@ config BOARD_SPECIFIC_OPTIONS
 	select NO_UART_ON_SUPERIO
 	select SOC_INTEL_TIGERLAKE
 	select SOC_INTEL_TIGERLAKE_PCH_H
+	select SOC_INTEL_TIGERLAKE_S3
 	select SOC_INTEL_COMMON_BLOCK_HDA_VERB
 	select SPD_READ_BY_WORD
 	select SYSTEM_TYPE_LAPTOP

src/mainboard/system76/gaze16/acpi/backlight.asl

@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <drivers/intel/gma/acpi/gma.asl>
+
+Scope (GFX0)
+{
+	Name (BRIG, Package (22) {
+		40, /* default AC */
+		40, /* default Battery */
+		5,
+		10,
+		15,
+		20,
+		25,
+		30,
+		35,
+		40,
+		45,
+		50,
+		55,
+		60,
+		65,
+		70,
+		75,
+		80,
+		85,
+		90,
+		95,
+		100
+	})
+}

src/mainboard/system76/gaze16/acpi/mainboard.asl

@@ -1,9 +1,17 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
+#include <variant/gpio.h>
+
 #define EC_GPE_SCI 0x6E
 #define EC_GPE_SWI 0x6B
 #include <ec/system76/ec/acpi/ec.asl>
 
 Scope (\_SB) {
 	#include "sleep.asl"
+	Scope (PCI0) {
+		#include "backlight.asl"
+		Scope (PEG1) {
+			#include <drivers/gfx/nvidia/acpi/tigerlake.asl>
+		}
+	}
 }

src/mainboard/system76/gaze16/cmos.layout

@@ -14,7 +14,7 @@ entries
 412	4	e	6	debug_level
 416	1	e	2	me_state
 417	3	h	0	me_state_counter
-984	16	h	0	check_sum
+976	16	h	0	check_sum
 
 enumerations
 
@@ -36,4 +36,4 @@ enumerations
 
 checksums
 
-checksum 408 983 984
+checksum 408 975 976