NEW MAINBOARD: ThinkPad T480S

Added t480s delta to deguard, for MFS config.

Updated coreboot/next to latest t480 patch set,
which includes t480s. This porting was done by
Mate Kukri.

also includes experimental t480s support

Also added a data.vbt file (not in the gerrit patch)
for the T480s.

I had to turn on 8254 legacy timer on t480s, otherwise
SeaBIOS would hang. Same issue I saw on OptiPlex 3050 Micro.

Minor issue:

On S3 resume, nvme0n1 for example got renamed to nvme0n2.
This caused a crash if running Linux from the nvme. I confirmed
this via live USB distro. So this port will need some tweaking
before it can be considered stable.

Also uses libgfxinit, which Mate recently fixed. I'm
going to enable libgfxinit on regular T480 next.

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

1 files changed, 0 insertions, 708 deletions

diff --git a/config/coreboot/next/patches/0005-mb-dell-Add-Optiplex-780-MT-x4x-ICH10.patch b/config/coreboot/next/patches/0005-mb-dell-Add-Optiplex-780-MT-x4x-ICH10.patch
deleted file mode 100644
index fa5ac312..00000000
--- a/config/coreboot/next/patches/0005-mb-dell-Add-Optiplex-780-MT-x4x-ICH10.patch
+++ /dev/null
@@ -1,708 +0,0 @@
-From 1e10400616ab16e17980af23c91a8efc633529e8 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 5/8] 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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-z2x?*GPeN%?=Fj3+fv~4%I(nv~XF7VOqi5RsAt%13JtW>q=<<<Gei4)FzWqGEt6P8D
-zA9m}s>;0IkLPSUGL%_1h)2kjaZzuV;`43yCV;I=#Jcyyw@xKE8GGX39@am|0GKhH`
-zawsKv^FvHqm+<DDPT)%}_kZ8^eT88YGmG-#)X3=RRB|L^Uj_{yd%JeO<1HRZVz=Fz
-z+aqUCWdF3_={#Q&&k)eF1i=WV`AbSlzo*bP?x?ir5BVVO`R34f89jWL{Z}or^BwmG
-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
-