NEW MAINBOARD: ThinkPad T480

This uses the excellent deguard utility, written by
the excellent Mate Kukri.

A few bugs but it mostly works. Documentation to come
shortly, in lbwww.git.

Signed-off-by: Leah Rowe <leah@libreboot.org>

1 files changed, 0 insertions, 708 deletions

diff --git a/config/coreboot/next/patches/0002-mb-dell-Add-Optiplex-780-MT-x4x-ICH10.patch b/config/coreboot/next/patches/0002-mb-dell-Add-Optiplex-780-MT-x4x-ICH10.patch
deleted file mode 100644
index 7e2ce1f3..00000000
--- a/config/coreboot/next/patches/0002-mb-dell-Add-Optiplex-780-MT-x4x-ICH10.patch
+++ /dev/null
@@ -1,708 +0,0 @@
-From 53151be243024957386012a099ccf3858f830555 Mon Sep 17 00:00:00 2001
-From: Nicholas Chin <nic.c3.14@gmail.com>
-Date: Mon, 30 Sep 2024 20:44:38 -0400
-Subject: [PATCH 2/5] mb/dell: Add Optiplex 780 MT (x4x/ICH10)
-
-Change-Id: Idb45737ce95bfd26e978323c650de7d308b5079c
-Signed-off-by: Nicholas Chin <nic.c3.14@gmail.com>
----
- src/mainboard/dell/optiplex_780/Kconfig       |  40 ++++
- src/mainboard/dell/optiplex_780/Kconfig.name  |   4 +
- src/mainboard/dell/optiplex_780/Makefile.mk   |  10 +
- src/mainboard/dell/optiplex_780/acpi/ec.asl   |   5 +
- .../dell/optiplex_780/acpi/ich10_pci_irqs.asl |  32 ++++
- .../dell/optiplex_780/acpi/superio.asl        |  18 ++
- .../dell/optiplex_780/board_info.txt          |   6 +
- src/mainboard/dell/optiplex_780/cmos.default  |   8 +
- src/mainboard/dell/optiplex_780/cmos.layout   |  72 ++++++++
- src/mainboard/dell/optiplex_780/cstates.c     |   8 +
- src/mainboard/dell/optiplex_780/devicetree.cb |  63 +++++++
- src/mainboard/dell/optiplex_780/dsdt.asl      |  26 +++
- .../dell/optiplex_780/gma-mainboard.ads       |  16 ++
- .../optiplex_780/variants/780_mt/data.vbt     | Bin 0 -> 1917 bytes
- .../optiplex_780/variants/780_mt/early_init.c |  12 ++
- .../dell/optiplex_780/variants/780_mt/gpio.c  | 174 ++++++++++++++++++
- .../optiplex_780/variants/780_mt/hda_verb.c   |  26 +++
- .../variants/780_mt/overridetree.cb           |  10 +
- 18 files changed, 530 insertions(+)
- create mode 100644 src/mainboard/dell/optiplex_780/Kconfig
- create mode 100644 src/mainboard/dell/optiplex_780/Kconfig.name
- create mode 100644 src/mainboard/dell/optiplex_780/Makefile.mk
- create mode 100644 src/mainboard/dell/optiplex_780/acpi/ec.asl
- create mode 100644 src/mainboard/dell/optiplex_780/acpi/ich10_pci_irqs.asl
- create mode 100644 src/mainboard/dell/optiplex_780/acpi/superio.asl
- create mode 100644 src/mainboard/dell/optiplex_780/board_info.txt
- create mode 100644 src/mainboard/dell/optiplex_780/cmos.default
- create mode 100644 src/mainboard/dell/optiplex_780/cmos.layout
- create mode 100644 src/mainboard/dell/optiplex_780/cstates.c
- create mode 100644 src/mainboard/dell/optiplex_780/devicetree.cb
- create mode 100644 src/mainboard/dell/optiplex_780/dsdt.asl
- create mode 100644 src/mainboard/dell/optiplex_780/gma-mainboard.ads
- create mode 100644 src/mainboard/dell/optiplex_780/variants/780_mt/data.vbt
- create mode 100644 src/mainboard/dell/optiplex_780/variants/780_mt/early_init.c
- create mode 100644 src/mainboard/dell/optiplex_780/variants/780_mt/gpio.c
- create mode 100644 src/mainboard/dell/optiplex_780/variants/780_mt/hda_verb.c
- create mode 100644 src/mainboard/dell/optiplex_780/variants/780_mt/overridetree.cb
-
-diff --git a/src/mainboard/dell/optiplex_780/Kconfig b/src/mainboard/dell/optiplex_780/Kconfig
-new file mode 100644
-index 0000000000..2d06c75c9a
---- /dev/null
-+++ b/src/mainboard/dell/optiplex_780/Kconfig
-@@ -0,0 +1,40 @@
-+## SPDX-License-Identifier: GPL-2.0-only
-+
-+config BOARD_DELL_OPTIPLEX_780_COMMON
-+	def_bool n
-+	select BOARD_ROMSIZE_KB_8192
-+	select CPU_INTEL_SOCKET_LGA775
-+	select DRIVERS_I2C_CK505
-+	select HAVE_ACPI_RESUME
-+	select HAVE_ACPI_TABLES
-+	select HAVE_CMOS_DEFAULT
-+	select HAVE_OPTION_TABLE
-+	select INTEL_GMA_HAVE_VBT
-+	select MAINBOARD_HAS_LIBGFXINIT
-+	select MAINBOARD_USES_IFD_GBE_REGION
-+	select NORTHBRIDGE_INTEL_X4X
-+	select PCIEXP_ASPM
-+	select PCIEXP_CLK_PM
-+	select SOUTHBRIDGE_INTEL_I82801JX
-+
-+config BOARD_DELL_OPTIPLEX_780_MT
-+	select BOARD_DELL_OPTIPLEX_780_COMMON
-+
-+if BOARD_DELL_OPTIPLEX_780_COMMON
-+
-+config VGA_BIOS_ID
-+	default "8086,2e22"
-+
-+config MAINBOARD_DIR
-+	default "dell/optiplex_780"
-+
-+config MAINBOARD_PART_NUMBER
-+	default "OptiPlex 780 MT" if BOARD_DELL_OPTIPLEX_780_MT
-+
-+config OVERRIDE_DEVICETREE
-+	default "variants/\$(CONFIG_VARIANT_DIR)/overridetree.cb"
-+
-+config VARIANT_DIR
-+	default "780_mt" if BOARD_DELL_OPTIPLEX_780_MT
-+
-+endif # BOARD_DELL_OPTIPLEX_780_COMMON
-diff --git a/src/mainboard/dell/optiplex_780/Kconfig.name b/src/mainboard/dell/optiplex_780/Kconfig.name
-new file mode 100644
-index 0000000000..db7f2e8fe3
---- /dev/null
-+++ b/src/mainboard/dell/optiplex_780/Kconfig.name
-@@ -0,0 +1,4 @@
-+## SPDX-License-Identifier: GPL-2.0-only
-+
-+config BOARD_DELL_OPTIPLEX_780_MT
-+	bool "OptiPlex 780 MT"
-diff --git a/src/mainboard/dell/optiplex_780/Makefile.mk b/src/mainboard/dell/optiplex_780/Makefile.mk
-new file mode 100644
-index 0000000000..d462995d75
---- /dev/null
-+++ b/src/mainboard/dell/optiplex_780/Makefile.mk
-@@ -0,0 +1,10 @@
-+# SPDX-License-Identifier: GPL-2.0-only
-+
-+ramstage-y += cstates.c
-+romstage-y += variants/$(VARIANT_DIR)/gpio.c
-+
-+bootblock-y += variants/$(VARIANT_DIR)/early_init.c
-+romstage-y += variants/$(VARIANT_DIR)/early_init.c
-+
-+ramstage-$(CONFIG_MAINBOARD_USE_LIBGFXINIT) += gma-mainboard.ads
-+ramstage-y += variants/$(VARIANT_DIR)/hda_verb.c
-diff --git a/src/mainboard/dell/optiplex_780/acpi/ec.asl b/src/mainboard/dell/optiplex_780/acpi/ec.asl
-new file mode 100644
-index 0000000000..479296cb76
---- /dev/null
-+++ b/src/mainboard/dell/optiplex_780/acpi/ec.asl
-@@ -0,0 +1,5 @@
-+/* SPDX-License-Identifier: CC-PDDC */
-+
-+/* Please update the license if adding licensable material. */
-+
-+/* dummy */
-diff --git a/src/mainboard/dell/optiplex_780/acpi/ich10_pci_irqs.asl b/src/mainboard/dell/optiplex_780/acpi/ich10_pci_irqs.asl
-new file mode 100644
-index 0000000000..b7588dcc41
---- /dev/null
-+++ b/src/mainboard/dell/optiplex_780/acpi/ich10_pci_irqs.asl
-@@ -0,0 +1,32 @@
-+/* SPDX-License-Identifier: GPL-2.0-only */
-+
-+/* This is board specific information:
-+ * IRQ routing for the 0:1e.0 PCI bridge of the ICH10
-+ */
-+
-+If (PICM) {
-+	Return (Package() {
-+		/* PCI slot */
-+		Package() { 0x0001ffff, 0, 0, 0x14},
-+		Package() { 0x0001ffff, 1, 0, 0x15},
-+		Package() { 0x0001ffff, 2, 0, 0x16},
-+		Package() { 0x0001ffff, 3, 0, 0x17},
-+
-+		Package() { 0x0002ffff, 0, 0, 0x15},
-+		Package() { 0x0002ffff, 1, 0, 0x16},
-+		Package() { 0x0002ffff, 2, 0, 0x17},
-+		Package() { 0x0002ffff, 3, 0, 0x14},
-+	})
-+} Else {
-+	Return (Package() {
-+		Package() { 0x0001ffff, 0, \_SB.PCI0.LPCB.LNKE, 0},
-+		Package() { 0x0001ffff, 1, \_SB.PCI0.LPCB.LNKF, 0},
-+		Package() { 0x0001ffff, 2, \_SB.PCI0.LPCB.LNKG, 0},
-+		Package() { 0x0001ffff, 3, \_SB.PCI0.LPCB.LNKH, 0},
-+
-+		Package() { 0x0002ffff, 0, \_SB.PCI0.LPCB.LNKF, 0},
-+		Package() { 0x0002ffff, 1, \_SB.PCI0.LPCB.LNKG, 0},
-+		Package() { 0x0002ffff, 2, \_SB.PCI0.LPCB.LNKH, 0},
-+		Package() { 0x0002ffff, 3, \_SB.PCI0.LPCB.LNKE, 0},
-+	})
-+}
-diff --git a/src/mainboard/dell/optiplex_780/acpi/superio.asl b/src/mainboard/dell/optiplex_780/acpi/superio.asl
-new file mode 100644
-index 0000000000..9f3900b86c
---- /dev/null
-+++ b/src/mainboard/dell/optiplex_780/acpi/superio.asl
-@@ -0,0 +1,18 @@
-+/* SPDX-License-Identifier: GPL-2.0-only */
-+
-+#undef SUPERIO_DEV
-+#undef SUPERIO_PNP_BASE
-+#undef IT8720F_SHOW_SP1
-+#undef IT8720F_SHOW_SP2
-+#undef IT8720F_SHOW_EC
-+#undef IT8720F_SHOW_KBCK
-+#undef IT8720F_SHOW_KBCM
-+#undef IT8720F_SHOW_GPIO
-+#undef IT8720F_SHOW_CIR
-+#define SUPERIO_DEV		SIO0
-+#define SUPERIO_PNP_BASE	0x2e
-+#define IT8720F_SHOW_EC		1
-+#define IT8720F_SHOW_KBCK	1
-+#define IT8720F_SHOW_KBCM	1
-+#define IT8720F_SHOW_GPIO	1
-+#include <superio/ite/it8720f/acpi/superio.asl>
-diff --git a/src/mainboard/dell/optiplex_780/board_info.txt b/src/mainboard/dell/optiplex_780/board_info.txt
-new file mode 100644
-index 0000000000..aaf657b583
---- /dev/null
-+++ b/src/mainboard/dell/optiplex_780/board_info.txt
-@@ -0,0 +1,6 @@
-+Category: desktop
-+Board URL: https://www.acer.com/ac/en/GB/content/support-product/1137?b=1
-+ROM package: SOIC-8
-+ROM protocol: SPI
-+ROM socketed: n
-+Flashrom support: y
-diff --git a/src/mainboard/dell/optiplex_780/cmos.default b/src/mainboard/dell/optiplex_780/cmos.default
-new file mode 100644
-index 0000000000..23f0e55f3e
---- /dev/null
-+++ b/src/mainboard/dell/optiplex_780/cmos.default
-@@ -0,0 +1,8 @@
-+## SPDX-License-Identifier: GPL-2.0-only
-+
-+boot_option=Fallback
-+debug_level=Debug
-+power_on_after_fail=Disable
-+nmi=Enable
-+sata_mode=AHCI
-+gfx_uma_size=64M
-diff --git a/src/mainboard/dell/optiplex_780/cmos.layout b/src/mainboard/dell/optiplex_780/cmos.layout
-new file mode 100644
-index 0000000000..9f5012adb4
---- /dev/null
-+++ b/src/mainboard/dell/optiplex_780/cmos.layout
-@@ -0,0 +1,72 @@
-+## SPDX-License-Identifier: GPL-2.0-only
-+
-+# -----------------------------------------------------------------
-+entries
-+
-+# -----------------------------------------------------------------
-+0	120	r	0	reserved_memory
-+
-+# -----------------------------------------------------------------
-+# RTC_BOOT_BYTE (coreboot hardcoded)
-+384	1	e	4	boot_option
-+388	4	h	0	reboot_counter
-+
-+# -----------------------------------------------------------------
-+# coreboot config options: console
-+395	4	e	6	debug_level
-+
-+# coreboot config options: southbridge
-+408	1	e	10	sata_mode
-+409	2	e	7	power_on_after_fail
-+411	1	e	1	nmi
-+
-+# coreboot config options: cpu
-+
-+# coreboot config options: northbridge
-+432	4	e	11	gfx_uma_size
-+
-+# coreboot config options: check sums
-+984	16	h	0	check_sum
-+
-+# -----------------------------------------------------------------
-+
-+enumerations
-+
-+#ID	value	text
-+1	0	Disable
-+1	1	Enable
-+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
-+7	0	Disable
-+7	1	Enable
-+7	2	Keep
-+10	0	AHCI
-+10	1	Compatible
-+11	1	4M
-+11	2	8M
-+11	3	16M
-+11	4	32M
-+11	5	48M
-+11	6	64M
-+11	7	128M
-+11	8	256M
-+11	9	96M
-+11	10	160M
-+11	11	224M
-+11	12	352M
-+
-+# -----------------------------------------------------------------
-+checksums
-+
-+checksum 392 983 984
-diff --git a/src/mainboard/dell/optiplex_780/cstates.c b/src/mainboard/dell/optiplex_780/cstates.c
-new file mode 100644
-index 0000000000..4adf0edc63
---- /dev/null
-+++ b/src/mainboard/dell/optiplex_780/cstates.c
-@@ -0,0 +1,8 @@
-+/* SPDX-License-Identifier: GPL-2.0-only */
-+
-+#include <acpi/acpigen.h>
-+
-+int get_cst_entries(const acpi_cstate_t **entries)
-+{
-+	return 0;
-+}
-diff --git a/src/mainboard/dell/optiplex_780/devicetree.cb b/src/mainboard/dell/optiplex_780/devicetree.cb
-new file mode 100644
-index 0000000000..95e3bd517c
---- /dev/null
-+++ b/src/mainboard/dell/optiplex_780/devicetree.cb
-@@ -0,0 +1,63 @@
-+# SPDX-License-Identifier: GPL-2.0-or-later
-+
-+chip northbridge/intel/x4x
-+	device cpu_cluster 0 on ops x4x_cpu_bus_ops end		# APIC cluster
-+	device domain 0 on
-+		ops x4x_pci_domain_ops		# PCI domain
-+		subsystemid 0x8086 0x0028 inherit
-+		device pci 0.0 on  end		# Host Bridge
-+		device pci 1.0 on  end		# PCIe x16 2.0 slot
-+		device pci 2.0 on  end		# Integrated graphics controller
-+		device pci 2.1 on  end		# Integrated graphics controller 2
-+		device pci 3.0 off end		# ME
-+		device pci 3.1 off end		# ME
-+		chip southbridge/intel/i82801jx	# ICH10
-+			register "gpe0_en" = "0x40"
-+
-+			# Set AHCI mode.
-+			register "sata_port_map"	= "0x3f"
-+			register "sata_clock_request"	= "1"
-+
-+			# Enable PCIe ports 0,1 as slots.
-+			register "pcie_slot_implemented" = "0x3"
-+
-+			device pci 19.0 on  end		# GBE
-+			device pci 1a.0 on  end		# USB
-+			device pci 1a.1 on  end		# USB
-+			device pci 1a.2 on  end		# USB
-+			device pci 1a.7 on  end		# USB
-+			device pci 1b.0 on  end		# Audio
-+			device pci 1c.0 off end		# PCIe 1
-+			device pci 1c.1 off end		# PCIe 2
-+			device pci 1c.2 off end		# PCIe 3
-+			device pci 1c.3 off end		# PCIe 4
-+			device pci 1c.4 off end		# PCIe 5
-+			device pci 1c.5 off end		# PCIe 6
-+			device pci 1d.0 on  end		# USB
-+			device pci 1d.1 on  end		# USB
-+			device pci 1d.2 on  end		# USB
-+			device pci 1d.7 on  end		# USB
-+			device pci 1e.0 on  end		# PCI bridge
-+			device pci 1f.0 on  end		# LPC bridge
-+			device pci 1f.2 on  end		# SATA (IDE: port 0-3, AHCI/RAID: 0-5)
-+			device pci 1f.3 on		# SMBus
-+				chip drivers/i2c/ck505	# IDT CV194
-+					register "mask" = "{ 0xff, 0xff, 0xff, 0xff,
-+							     0xff, 0xff, 0xff, 0xff,
-+							     0xff, 0xff, 0xff, 0xff,
-+							     0xff, 0xff, 0xff, 0xff,
-+							     0xff, 0xff, 0xff }"
-+					register "regs" = "{ 0x15, 0x82, 0xff, 0xff,
-+							     0xff, 0x00, 0x00, 0x95,
-+							     0x00, 0x65, 0x7d, 0x56,
-+							     0x13, 0xc0, 0x00, 0x07,
-+							     0x01, 0x0a, 0x64 }"
-+					device i2c 69 on end
-+				end
-+			end
-+			device pci 1f.4 off end
-+			device pci 1f.5 off end		# SATA 2 (for port 4-5 in IDE mode)
-+			device pci 1f.6 off end		# Thermal Subsystem
-+		end
-+	end
-+end
-diff --git a/src/mainboard/dell/optiplex_780/dsdt.asl b/src/mainboard/dell/optiplex_780/dsdt.asl
-new file mode 100644
-index 0000000000..9ad70469de
---- /dev/null
-+++ b/src/mainboard/dell/optiplex_780/dsdt.asl
-@@ -0,0 +1,26 @@
-+/* SPDX-License-Identifier: GPL-2.0-only */
-+
-+#include <acpi/acpi.h>
-+DefinitionBlock(
-+	"dsdt.aml",
-+	"DSDT",
-+	ACPI_DSDT_REV_2,
-+	OEM_ID,
-+	ACPI_TABLE_CREATOR,
-+	0x20090811	// OEM revision
-+)
-+{
-+	#include <acpi/dsdt_top.asl>
-+
-+	OSYS = 2002
-+	// global NVS and variables
-+	#include <southbridge/intel/common/acpi/platform.asl>
-+
-+	Device (\_SB.PCI0)
-+	{
-+		#include <northbridge/intel/x4x/acpi/x4x.asl>
-+		#include <southbridge/intel/i82801jx/acpi/ich10.asl>
-+	}
-+
-+	#include <southbridge/intel/common/acpi/sleepstates.asl>
-+}
-diff --git a/src/mainboard/dell/optiplex_780/gma-mainboard.ads b/src/mainboard/dell/optiplex_780/gma-mainboard.ads
-new file mode 100644
-index 0000000000..bc81cf4a40
---- /dev/null
-+++ b/src/mainboard/dell/optiplex_780/gma-mainboard.ads
-@@ -0,0 +1,16 @@
-+-- SPDX-License-Identifier: GPL-2.0-or-later
-+
-+with HW.GFX.GMA;
-+with HW.GFX.GMA.Display_Probing;
-+
-+use HW.GFX.GMA;
-+use HW.GFX.GMA.Display_Probing;
-+
-+private package GMA.Mainboard is
-+
-+   ports : constant Port_List :=
-+     (DP2,
-+      Analog,
-+      others => Disabled);
-+
-+end GMA.Mainboard;
-diff --git a/src/mainboard/dell/optiplex_780/variants/780_mt/data.vbt b/src/mainboard/dell/optiplex_780/variants/780_mt/data.vbt
-new file mode 100644
-index 0000000000000000000000000000000000000000..fefda9d6f226b88ab67c5b044de30a707df22fbf
-GIT binary patch
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-z-E;A_iWVUUWnWQl3L|~0xA@rHJRA-;7V)Y6B5=@E8R@?(?5{Eh23RefpSOGX_F{8A
-z1PtU+iNng^h#C7J<vufJ9>c8*FfFsu??w)Oed@;Mg~21%rCZ%d{x!>-zmv4AyWL1E
-xfz+CGUnQ7Y^TD}&c_cQRYlBC+`?m?k6Nuw??s04gg4@4`<@FO{XEbO(<xf!`#Pk3F
-
-literal 0
-HcmV?d00001
-
-diff --git a/src/mainboard/dell/optiplex_780/variants/780_mt/early_init.c b/src/mainboard/dell/optiplex_780/variants/780_mt/early_init.c
-new file mode 100644
-index 0000000000..e2fa05cd8f
---- /dev/null
-+++ b/src/mainboard/dell/optiplex_780/variants/780_mt/early_init.c
-@@ -0,0 +1,12 @@
-+/* SPDX-License-Identifier: GPL-2.0-or-later */
-+
-+#include <northbridge/intel/x4x/x4x.h>
-+
-+void mb_get_spd_map(u8 spd_map[4])
-+{
-+	// BTX form factor
-+	spd_map[0] = 0x53;
-+	spd_map[1] = 0x52;
-+	spd_map[2] = 0x51;
-+	spd_map[3] = 0x50;
-+}
-diff --git a/src/mainboard/dell/optiplex_780/variants/780_mt/gpio.c b/src/mainboard/dell/optiplex_780/variants/780_mt/gpio.c
-new file mode 100644
-index 0000000000..9993f17c55
---- /dev/null
-+++ b/src/mainboard/dell/optiplex_780/variants/780_mt/gpio.c
-@@ -0,0 +1,174 @@
-+/* SPDX-License-Identifier: GPL-2.0-only */
-+
-+#include <southbridge/intel/common/gpio.h>
-+
-+static const struct pch_gpio_set1 pch_gpio_set1_mode = {
-+	.gpio0  = GPIO_MODE_NATIVE,
-+	.gpio1  = GPIO_MODE_NATIVE,
-+	.gpio2  = GPIO_MODE_GPIO,
-+	.gpio3  = GPIO_MODE_GPIO,
-+	.gpio4  = GPIO_MODE_GPIO,
-+	.gpio5  = GPIO_MODE_GPIO,
-+	.gpio6  = GPIO_MODE_GPIO,
-+	.gpio7  = GPIO_MODE_NATIVE,
-+	.gpio8  = GPIO_MODE_NATIVE,
-+	.gpio9  = GPIO_MODE_GPIO,
-+	.gpio10 = GPIO_MODE_GPIO,
-+	.gpio11 = GPIO_MODE_NATIVE,
-+	.gpio12 = GPIO_MODE_NATIVE,
-+	.gpio13 = GPIO_MODE_GPIO,
-+	.gpio14 = GPIO_MODE_GPIO,
-+	.gpio15 = GPIO_MODE_NATIVE,
-+	.gpio16 = GPIO_MODE_GPIO,
-+	.gpio17 = GPIO_MODE_NATIVE,
-+	.gpio18 = GPIO_MODE_GPIO,
-+	.gpio19 = GPIO_MODE_GPIO,
-+	.gpio20 = GPIO_MODE_GPIO,
-+	.gpio21 = GPIO_MODE_GPIO,
-+	.gpio22 = GPIO_MODE_GPIO,
-+	.gpio23 = GPIO_MODE_NATIVE,
-+	.gpio24 = GPIO_MODE_GPIO,
-+	.gpio25 = GPIO_MODE_NATIVE,
-+	.gpio26 = GPIO_MODE_NATIVE,
-+	.gpio27 = GPIO_MODE_GPIO,
-+	.gpio28 = GPIO_MODE_GPIO,
-+	.gpio29 = GPIO_MODE_GPIO,
-+	.gpio30 = GPIO_MODE_GPIO,
-+	.gpio31 = GPIO_MODE_GPIO,
-+};
-+
-+static const struct pch_gpio_set1 pch_gpio_set1_direction = {
-+	.gpio2  = GPIO_DIR_INPUT,
-+	.gpio3  = GPIO_DIR_INPUT,
-+	.gpio4  = GPIO_DIR_INPUT,
-+	.gpio5  = GPIO_DIR_INPUT,
-+	.gpio6  = GPIO_DIR_INPUT,
-+	.gpio9  = GPIO_DIR_OUTPUT,
-+	.gpio10 = GPIO_DIR_INPUT,
-+	.gpio13 = GPIO_DIR_INPUT,
-+	.gpio14 = GPIO_DIR_INPUT,
-+	.gpio16 = GPIO_DIR_INPUT,
-+	.gpio18 = GPIO_DIR_OUTPUT,
-+	.gpio19 = GPIO_DIR_INPUT,
-+	.gpio20 = GPIO_DIR_OUTPUT,
-+	.gpio21 = GPIO_DIR_INPUT,
-+	.gpio22 = GPIO_DIR_INPUT,
-+	.gpio24 = GPIO_DIR_INPUT,
-+	.gpio27 = GPIO_DIR_INPUT,
-+	.gpio28 = GPIO_DIR_OUTPUT,
-+	.gpio29 = GPIO_DIR_INPUT,
-+	.gpio30 = GPIO_DIR_INPUT,
-+	.gpio31 = GPIO_DIR_INPUT,
-+};
-+
-+static const struct pch_gpio_set1 pch_gpio_set1_level = {
-+	.gpio9  = GPIO_LEVEL_HIGH,
-+	.gpio18 = GPIO_LEVEL_HIGH,
-+	.gpio20 = GPIO_LEVEL_HIGH,
-+	.gpio28 = GPIO_LEVEL_LOW,
-+};
-+
-+static const struct pch_gpio_set1 pch_gpio_set1_blink = {
-+};
-+
-+static const struct pch_gpio_set1 pch_gpio_set1_invert = {
-+	.gpio13 = GPIO_INVERT,
-+};
-+
-+static const struct pch_gpio_set2 pch_gpio_set2_mode = {
-+	.gpio32 = GPIO_MODE_GPIO,
-+	.gpio33 = GPIO_MODE_GPIO,
-+	.gpio34 = GPIO_MODE_GPIO,
-+	.gpio35 = GPIO_MODE_GPIO,
-+	.gpio36 = GPIO_MODE_GPIO,
-+	.gpio37 = GPIO_MODE_GPIO,
-+	.gpio38 = GPIO_MODE_GPIO,
-+	.gpio39 = GPIO_MODE_GPIO,
-+	.gpio40 = GPIO_MODE_NATIVE,
-+	.gpio41 = GPIO_MODE_NATIVE,
-+	.gpio42 = GPIO_MODE_NATIVE,
-+	.gpio43 = GPIO_MODE_NATIVE,
-+	.gpio44 = GPIO_MODE_NATIVE,
-+	.gpio45 = GPIO_MODE_NATIVE,
-+	.gpio46 = GPIO_MODE_NATIVE,
-+	.gpio47 = GPIO_MODE_NATIVE,
-+	.gpio48 = GPIO_MODE_GPIO,
-+	.gpio49 = GPIO_MODE_GPIO,
-+	.gpio50 = GPIO_MODE_NATIVE,
-+	.gpio51 = GPIO_MODE_NATIVE,
-+	.gpio52 = GPIO_MODE_NATIVE,
-+	.gpio53 = GPIO_MODE_NATIVE,
-+	.gpio54 = GPIO_MODE_GPIO,
-+	.gpio55 = GPIO_MODE_NATIVE,
-+	.gpio56 = GPIO_MODE_GPIO,
-+	.gpio57 = GPIO_MODE_GPIO,
-+	.gpio58 = GPIO_MODE_NATIVE,
-+	.gpio59 = GPIO_MODE_NATIVE,
-+	.gpio60 = GPIO_MODE_GPIO,
-+	.gpio61 = GPIO_MODE_NATIVE,
-+	.gpio62 = GPIO_MODE_NATIVE,
-+	.gpio63 = GPIO_MODE_NATIVE,
-+};
-+
-+static const struct pch_gpio_set2 pch_gpio_set2_direction = {
-+	.gpio32 = GPIO_DIR_INPUT,
-+	.gpio33 = GPIO_DIR_INPUT,
-+	.gpio34 = GPIO_DIR_INPUT,
-+	.gpio35 = GPIO_DIR_OUTPUT,
-+	.gpio36 = GPIO_DIR_INPUT,
-+	.gpio37 = GPIO_DIR_INPUT,
-+	.gpio38 = GPIO_DIR_INPUT,
-+	.gpio39 = GPIO_DIR_INPUT,
-+	.gpio48 = GPIO_DIR_INPUT,
-+	.gpio49 = GPIO_DIR_OUTPUT,
-+	.gpio54 = GPIO_DIR_INPUT,
-+	.gpio56 = GPIO_DIR_OUTPUT,
-+	.gpio57 = GPIO_DIR_INPUT,
-+	.gpio60 = GPIO_DIR_OUTPUT,
-+};
-+
-+static const struct pch_gpio_set2 pch_gpio_set2_level = {
-+	.gpio35 = GPIO_LEVEL_LOW,
-+	.gpio49 = GPIO_LEVEL_HIGH,
-+	.gpio56 = GPIO_LEVEL_HIGH,
-+	.gpio60 = GPIO_LEVEL_LOW,
-+};
-+
-+static const struct pch_gpio_set3 pch_gpio_set3_mode = {
-+	.gpio64 = GPIO_MODE_NATIVE,
-+	.gpio65 = GPIO_MODE_NATIVE,
-+	.gpio66 = GPIO_MODE_NATIVE,
-+	.gpio67 = GPIO_MODE_NATIVE,
-+	.gpio68 = GPIO_MODE_NATIVE,
-+	.gpio69 = GPIO_MODE_NATIVE,
-+	.gpio70 = GPIO_MODE_NATIVE,
-+	.gpio71 = GPIO_MODE_NATIVE,
-+	.gpio72 = GPIO_MODE_GPIO,
-+};
-+
-+static const struct pch_gpio_set3 pch_gpio_set3_direction = {
-+	.gpio72 = GPIO_DIR_INPUT,
-+};
-+
-+static const struct pch_gpio_set3 pch_gpio_set3_level = {
-+};
-+
-+const struct pch_gpio_map mainboard_gpio_map = {
-+	.set1 = {
-+		.mode      = &pch_gpio_set1_mode,
-+		.direction = &pch_gpio_set1_direction,
-+		.level     = &pch_gpio_set1_level,
-+		.blink     = &pch_gpio_set1_blink,
-+		.invert    = &pch_gpio_set1_invert,
-+	},
-+	.set2 = {
-+		.mode      = &pch_gpio_set2_mode,
-+		.direction = &pch_gpio_set2_direction,
-+		.level     = &pch_gpio_set2_level,
-+	},
-+	.set3 = {
-+		.mode      = &pch_gpio_set3_mode,
-+		.direction = &pch_gpio_set3_direction,
-+		.level     = &pch_gpio_set3_level,
-+	},
-+};
-diff --git a/src/mainboard/dell/optiplex_780/variants/780_mt/hda_verb.c b/src/mainboard/dell/optiplex_780/variants/780_mt/hda_verb.c
-new file mode 100644
-index 0000000000..4158bcf899
---- /dev/null
-+++ b/src/mainboard/dell/optiplex_780/variants/780_mt/hda_verb.c
-@@ -0,0 +1,26 @@
-+/* SPDX-License-Identifier: GPL-2.0-or-later */
-+
-+#include <device/azalia_device.h>
-+
-+const u32 cim_verb_data[] = {
-+	/* coreboot specific header */
-+	0x11d4194a, /* Analog Devices AD1984A */
-+	0xbfd40000, /*  Subsystem ID */
-+	10,         /* Number of entries */
-+
-+	/* Pin Widget Verb Table */
-+	AZALIA_PIN_CFG(0, 0x11, 0x032140f0),
-+	AZALIA_PIN_CFG(0, 0x12, 0x21214010),
-+	AZALIA_PIN_CFG(0, 0x13, 0x901701f0),
-+	AZALIA_PIN_CFG(0, 0x14, 0x03a190f0),
-+	AZALIA_PIN_CFG(0, 0x15, 0xb7a70121),
-+	AZALIA_PIN_CFG(0, 0x16, 0x9933012e),
-+	AZALIA_PIN_CFG(0, 0x17, 0x97a601f0),
-+	AZALIA_PIN_CFG(0, 0x1a, 0x90f301f0),
-+	AZALIA_PIN_CFG(0, 0x1b, 0x014510f0),
-+	AZALIA_PIN_CFG(0, 0x1c, 0x21a19020),
-+};
-+
-+const u32 pc_beep_verbs[0] = {};
-+
-+AZALIA_ARRAY_SIZES;
-diff --git a/src/mainboard/dell/optiplex_780/variants/780_mt/overridetree.cb b/src/mainboard/dell/optiplex_780/variants/780_mt/overridetree.cb
-new file mode 100644
-index 0000000000..555b1c1f5c
---- /dev/null
-+++ b/src/mainboard/dell/optiplex_780/variants/780_mt/overridetree.cb
-@@ -0,0 +1,10 @@
-+## SPDX-License-Identifier: GPL-2.0-or-later
-+
-+chip northbridge/intel/x4x
-+	device domain 0 on
-+		chip southbridge/intel/i82801jx
-+			device pci 1c.0 on  end		# PCIe 1
-+			device pci 1c.1 on  end		# PCIe 2
-+		end
-+	end
-+end
--- 
-2.39.5
-