mb/hp: Move compaq_elite_8300_usdt into snb_ivb_desktops variants

Tested to still boot, SeaBIOS -> Void Linux

Change-Id: Idc61e5d17f4c71fc50cf87c60a5063fc893c1d8c
Signed-off-by: Riku Viitanen <riku.viitanen@protonmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/79544
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

21 files changed, 60 insertions, 411 deletions

diff --git a/src/mainboard/hp/compaq_elite_8300_usdt/Kconfig b/src/mainboard/hp/compaq_elite_8300_usdt/Kconfig
deleted file mode 100644
index d7b297bbbc..0000000000
--- a/src/mainboard/hp/compaq_elite_8300_usdt/Kconfig
+++ /dev/null
@@ -1,41 +0,0 @@
-## SPDX-License-Identifier: GPL-2.0-only
-
-if BOARD_HP_COMPAQ_ELITE_8300_USDT
-
-config BOARD_SPECIFIC_OPTIONS
-	def_bool y
-	select BOARD_ROMSIZE_KB_16384
-	select HAVE_ACPI_RESUME
-	select HAVE_ACPI_TABLES
-	select HAVE_CMOS_DEFAULT
-	select HAVE_OPTION_TABLE
-	select INTEL_GMA_HAVE_VBT
-	select INTEL_INT15
-	select MAINBOARD_HAS_TPM1
-	select MAINBOARD_HAS_LIBGFXINIT
-	select MAINBOARD_USES_IFD_GBE_REGION
-	select MEMORY_MAPPED_TPM
-	select NORTHBRIDGE_INTEL_SANDYBRIDGE
-	select SERIRQ_CONTINUOUS_MODE
-	select SOUTHBRIDGE_INTEL_C216
-	select SUPERIO_NUVOTON_NPCD378
-	select USE_NATIVE_RAMINIT
-
-config CBFS_SIZE
-	default 0x570000
-
-config MAINBOARD_DIR
-	default "hp/compaq_elite_8300_usdt"
-
-config MAINBOARD_PART_NUMBER
-	default "HP Compaq Elite 8300 USDT"
-
-config VGA_BIOS_ID
-	default "8086,0152"
-
-config DRAM_RESET_GATE_GPIO
-	default 60
-
-config USBDEBUG_HCD_INDEX # FIXME: check this
-	default 2
-endif
diff --git a/src/mainboard/hp/compaq_elite_8300_usdt/Kconfig.name b/src/mainboard/hp/compaq_elite_8300_usdt/Kconfig.name
deleted file mode 100644
index 543cc835f3..0000000000
--- a/src/mainboard/hp/compaq_elite_8300_usdt/Kconfig.name
+++ /dev/null
@@ -1,4 +0,0 @@
-## SPDX-License-Identifier: GPL-2.0-only
-
-config BOARD_HP_COMPAQ_ELITE_8300_USDT
-	bool "Compaq Elite 8300 USDT"
diff --git a/src/mainboard/hp/compaq_elite_8300_usdt/Makefile.mk b/src/mainboard/hp/compaq_elite_8300_usdt/Makefile.mk
deleted file mode 100644
index fb492d3583..0000000000
--- a/src/mainboard/hp/compaq_elite_8300_usdt/Makefile.mk
+++ /dev/null
@@ -1,7 +0,0 @@
-## SPDX-License-Identifier: GPL-2.0-only
-
-bootblock-y += early_init.c
-bootblock-y += gpio.c
-romstage-y += early_init.c
-romstage-y += gpio.c
-ramstage-$(CONFIG_MAINBOARD_USE_LIBGFXINIT) += gma-mainboard.ads
diff --git a/src/mainboard/hp/compaq_elite_8300_usdt/acpi/ec.asl b/src/mainboard/hp/compaq_elite_8300_usdt/acpi/ec.asl
deleted file mode 100644
index 73fa78ef14..0000000000
--- a/src/mainboard/hp/compaq_elite_8300_usdt/acpi/ec.asl
+++ /dev/null
@@ -1 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
diff --git a/src/mainboard/hp/compaq_elite_8300_usdt/acpi/platform.asl b/src/mainboard/hp/compaq_elite_8300_usdt/acpi/platform.asl
deleted file mode 100644
index aff432b6f4..0000000000
--- a/src/mainboard/hp/compaq_elite_8300_usdt/acpi/platform.asl
+++ /dev/null
@@ -1,10 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-
-Method(_WAK, 1)
-{
-	Return(Package() {0, 0})
-}
-
-Method(_PTS, 1)
-{
-}
diff --git a/src/mainboard/hp/compaq_elite_8300_usdt/acpi/superio.asl b/src/mainboard/hp/compaq_elite_8300_usdt/acpi/superio.asl
deleted file mode 100644
index 54f8e3fe95..0000000000
--- a/src/mainboard/hp/compaq_elite_8300_usdt/acpi/superio.asl
+++ /dev/null
@@ -1,29 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-
-/* Copied over from compaq_8200_elite_sff/acpi/superio.asl */
-
-#include <superio/nuvoton/npcd378/acpi/superio.asl>
-
-Scope (\_GPE)
-{
-	Method (_L0D, 0, NotSerialized)
-	{
-		Notify (\_SB.PCI0.EHC1, 0x02)
-		Notify (\_SB.PCI0.EHC2, 0x02)
-		//FIXME: Add GBE device
-		//Notify (\_SB.PCI0.GBE, 0x02)
-	}
-
-	Method (_L09, 0, NotSerialized)
-	{
-		Notify (\_SB.PCI0.RP01, 0x02)
-		Notify (\_SB.PCI0.RP02, 0x02)
-		Notify (\_SB.PCI0.RP03, 0x02)
-		Notify (\_SB.PCI0.RP04, 0x02)
-		Notify (\_SB.PCI0.RP05, 0x02)
-		Notify (\_SB.PCI0.RP06, 0x02)
-		Notify (\_SB.PCI0.RP07, 0x02)
-		Notify (\_SB.PCI0.RP08, 0x02)
-		Notify (\_SB.PCI0.PEGP, 0x02)
-	}
-}
diff --git a/src/mainboard/hp/compaq_elite_8300_usdt/acpi_tables.c b/src/mainboard/hp/compaq_elite_8300_usdt/acpi_tables.c
deleted file mode 100644
index 8f4f83b826..0000000000
--- a/src/mainboard/hp/compaq_elite_8300_usdt/acpi_tables.c
+++ /dev/null
@@ -1,12 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-
-#include <acpi/acpi_gnvs.h>
-#include <soc/nvs.h>
-
-void mainboard_fill_gnvs(struct global_nvs *gnvs)
-{
-	/* Temperature at which OS will shutdown */
-	gnvs->tcrt = 100;
-	/* Temperature at which OS will throttle CPU */
-	gnvs->tpsv = 90;
-}
diff --git a/src/mainboard/hp/compaq_elite_8300_usdt/cmos.default b/src/mainboard/hp/compaq_elite_8300_usdt/cmos.default
deleted file mode 100644
index f3dad88670..0000000000
--- a/src/mainboard/hp/compaq_elite_8300_usdt/cmos.default
+++ /dev/null
@@ -1,8 +0,0 @@
-## SPDX-License-Identifier: GPL-2.0-only
-
-boot_option=Fallback
-debug_level=Debug
-power_on_after_fail=Enable
-nmi=Enable
-sata_mode=AHCI
-gfx_uma_size=32M
diff --git a/src/mainboard/hp/compaq_elite_8300_usdt/cmos.layout b/src/mainboard/hp/compaq_elite_8300_usdt/cmos.layout
deleted file mode 100644
index bdc06faed6..0000000000
--- a/src/mainboard/hp/compaq_elite_8300_usdt/cmos.layout
+++ /dev/null
@@ -1,73 +0,0 @@
-## 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	1	nmi
-409	2	e	7	power_on_after_fail
-
-421	1	e	9	sata_mode
-
-# coreboot config options: northbridge
-432	3	e	11	gfx_uma_size
-
-448	128	r	0	vbnv
-
-# SandyBridge MRC Scrambler Seed values
-896	32	r	0	mrc_scrambler_seed
-928	32	r	0	mrc_scrambler_seed_s3
-960	16	r	0	mrc_scrambler_seed_chk
-
-# 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
-9	0	AHCI
-9	1	IDE
-11	0	32M
-11	1	64M
-11	2	96M
-11	3	128M
-11	4	160M
-11	5	192M
-11	6	224M
-
-# -----------------------------------------------------------------
-checksums
-
-checksum 392 415 984
diff --git a/src/mainboard/hp/compaq_elite_8300_usdt/devicetree.cb b/src/mainboard/hp/compaq_elite_8300_usdt/devicetree.cb
deleted file mode 100644
index 777ff0071d..0000000000
--- a/src/mainboard/hp/compaq_elite_8300_usdt/devicetree.cb
+++ /dev/null
@@ -1,162 +0,0 @@
-chip northbridge/intel/sandybridge
-	register "gpu_dp_b_hotplug" = "4"
-	register "gpu_dp_c_hotplug" = "4"
-	# BTX mainboard: Reversed mapping
-	register "spd_addresses" = "{0, 0x52, 0, 0x50}"
-	device domain 0x0 on
-		chip southbridge/intel/bd82x6x # Intel Series 6 Cougar Point PCH
-			register "docking_supported" = "0"
-			register "gen1_dec" = "0x00fc0a01"
-			register "gen2_dec" = "0x00fc0801"
-			register "pcie_hotplug_map" = "{ 0, 0, 0, 0, 0, 0, 0, 0 }"
-			register "pcie_port_coalesce" = "1"
-			register "sata_interface_speed_support" = "0x3"
-			register "sata_port_map" = "0x7"  # 0x1: 2.5" slot
-			                                  # 0x2: DVD
-			                                  # 0x4: mSATA
-			register "spi_lvscc" = "0x2005"
-			register "spi_uvscc" = "0x2005"
-			register "superspeed_capable_ports" = "0x0000000f"
-			register "xhci_overcurrent_mapping" = "0x00000c03"
-			register "xhci_switchable_ports" = "0x0000000f"
-			register "usb_port_config" = "{
-				{ 1, 0, 0 },
-				{ 1, 0, 0 },
-				{ 1, 0, 1 },
-				{ 1, 0, 1 },
-				{ 1, 0, 2 },
-				{ 1, 0, 2 },
-				{ 1, 0, 3 },
-				{ 1, 0, 3 },
-				{ 1, 0, 4 },
-				{ 1, 0, 4 },
-				{ 1, 0, 6 },
-				{ 1, 0, 5 },
-				{ 1, 0, 5 },
-				{ 1, 0, 6 }
-			}"
-			device ref xhci on # USB 3.0 Controller
-				subsystemid 0x103c 0x3398
-			end
-			device ref mei1 off # Management Engine Interface 1
-			end
-			device ref gbe on # Intel Gigabit Ethernet
-				subsystemid 0x103c 0x3398
-			end
-			device ref ehci2 on # USB2 EHCI #2
-				subsystemid 0x103c 0x3398
-			end
-			device ref hda on # High Definition Audio
-				subsystemid 0x103c 0x3398
-			end
-			device ref pcie_rp1 on # Mini-PCIe WLAN
-			end
-			device ref ehci1 on # USB2 EHCI #1
-				subsystemid 0x103c 0x3398
-			end
-			device ref pci_bridge on # PCI bridge
-				subsystemid 0x103c 0x3398
-			end
-			device ref lpc on # LPC bridge
-				chip superio/common		# Super I/O grabbed from 8200SFF devicetree
-					device pnp 2e.ff on # passes SIO base addr to SSDT gen
-						chip superio/nuvoton/npcd378
-							device pnp 2e.0 off end		# Floppy
-							device pnp 2e.1 off end		# Parallel
-							device pnp 2e.2 off		# COM1
-								io 0x60 = 0x2f8
-								irq 0x70 = 3
-							end
-							device pnp 2e.3 on		# COM2, IR
-								io 0x60 = 0x3f8
-								irq 0x70 = 4
-							end
-							device pnp 2e.4 on		# LED control
-								io 0x60 = 0x600
-								# IOBASE[0h] = bit0 LED red / green
-								# IOBASE[0h] = bit1-4 LED PWM duty cycle
-								# IOBASE[1h] = bit6 SWCC
-
-								io 0x62 = 0x610
-								# IOBASE [0h] = GPES
-								# IOBASE [1h] = GPEE
-								# IOBASE [4h:7h] = 32bit upcounter at 1Mhz
-								# IOBASE [8h:bh] = GPS
-								# IOBASE [ch:fh] = GPE
-							end
-							device pnp 2e.5 on		# Mouse
-								irq 0x70 = 0xc
-							end
-							device pnp 2e.6 on		# Keyboard
-								io 0x60 = 0x0060
-								io 0x62 = 0x0064
-								irq 0x70 = 0x01
-								# serialice: Vendor writes:
-								drq 0xf0 = 0x40
-							end
-							device pnp 2e.7 on		#  WDT ?
-								io 0x60 = 0x620
-							end
-							device pnp 2e.8 on		# HWM
-								io 0x60 = 0x800
-								# IOBASE[0h:feh] HWM page
-								# IOBASE[ffh] bit0-bit3 page selector
-
-								drq 0xf0 = 0x20
-								drq 0xf1 = 0x01
-								drq 0xf2 = 0x40
-								drq 0xf3 = 0x01
-
-								drq 0xf4 = 0x66
-								drq 0xf5 = 0x67
-								drq 0xf6 = 0x66
-								drq 0xf7 = 0x01
-							end
-							device pnp 2e.f on		# GPIO OD ?
-								drq 0xf1 = 0x97
-								drq 0xf2 = 0x01
-								drq 0xf5 = 0x08
-								drq 0xfe = 0x80
-							end
-							device pnp 2e.15 on		# BUS ?
-								io 0x60 = 0x0680
-								io 0x62 = 0x0690
-							end
-							device pnp 2e.1c on		# Suspend Control ?
-								io 0x60 = 0x640
-								# writing to IOBASE[5h]
-								#  0x0: Power off
-								#  0x9: Power off and bricked until CMOS battery removed
-							end
-							device pnp 2e.1e on		# GPIO ?
-								io 0x60 = 0x660
-								drq 0xf4 = 0x01
-								# skip the following, as it
-								# looks like remapped registers
-								#drq 0xf5 = 0x06
-								#drq 0xf6 = 0x60
-								#drq 0xfe = 0x03
-							end
-						end
-					end
-				end
-				chip drivers/pc80/tpm
-					device pnp 4e.0 on end          # TPM module
-				end
-			end
-			device ref sata1 on # SATA Controller 1
-				subsystemid 0x103c 0x3398
-			end
-			device ref smbus on # SMBus
-				subsystemid 0x103c 0x3398
-			end
-		end
-		device ref host_bridge on # Host bridge Host bridge
-			subsystemid 0x103c 0x3398
-		end
-		device ref peg10 on end # PEG
-		device ref igd on # iGPU
-			subsystemid 0x103c 0x3398
-		end
-	end
-end
diff --git a/src/mainboard/hp/compaq_elite_8300_usdt/dsdt.asl b/src/mainboard/hp/compaq_elite_8300_usdt/dsdt.asl
deleted file mode 100644
index 3a656e8b55..0000000000
--- a/src/mainboard/hp/compaq_elite_8300_usdt/dsdt.asl
+++ /dev/null
@@ -1,30 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-
-#include <acpi/acpi.h>
-
-#define BRIGHTNESS_UP \_SB.PCI0.GFX0.INCB
-#define BRIGHTNESS_DOWN \_SB.PCI0.GFX0.DECB
-
-DefinitionBlock(
-	"dsdt.aml",
-	"DSDT",
-	ACPI_DSDT_REV_2,
-	OEM_ID,
-	ACPI_TABLE_CREATOR,
-	0x20141018	/* OEM revision */
-)
-{
-	#include <acpi/dsdt_top.asl>
-	#include "acpi/platform.asl"
-	#include <cpu/intel/common/acpi/cpu.asl>
-	#include <southbridge/intel/common/acpi/platform.asl>
-	#include <southbridge/intel/bd82x6x/acpi/globalnvs.asl>
-	#include <southbridge/intel/common/acpi/sleepstates.asl>
-
-	Device (\_SB.PCI0)
-	{
-		#include <northbridge/intel/sandybridge/acpi/sandybridge.asl>
-		#include <drivers/intel/gma/acpi/default_brightness_levels.asl>
-		#include <southbridge/intel/bd82x6x/acpi/pch.asl>
-	}
-}
diff --git a/src/mainboard/hp/compaq_elite_8300_usdt/mainboard.c b/src/mainboard/hp/compaq_elite_8300_usdt/mainboard.c
deleted file mode 100644
index 8dbd95ef96..0000000000
--- a/src/mainboard/hp/compaq_elite_8300_usdt/mainboard.c
+++ /dev/null
@@ -1,16 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-
-#include <device/device.h>
-#include <drivers/intel/gma/int15.h>
-#include <southbridge/intel/bd82x6x/pch.h>
-
-static void mainboard_enable(struct device *dev)
-{
-	install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_NONE,
-					GMA_INT15_PANEL_FIT_DEFAULT,
-					GMA_INT15_BOOT_DISPLAY_DEFAULT, 0);
-}
-
-struct chip_operations mainboard_ops = {
-	.enable_dev = mainboard_enable,
-};
diff --git a/src/mainboard/hp/snb_ivb_desktops/Kconfig b/src/mainboard/hp/snb_ivb_desktops/Kconfig
index b79f748eef..d612c41d72 100644
--- a/src/mainboard/hp/snb_ivb_desktops/Kconfig
+++ b/src/mainboard/hp/snb_ivb_desktops/Kconfig
@@ -17,6 +17,11 @@ config BOARD_HP_SNB_IVB_DESKTOPS_COMMON
 	select SUPERIO_NUVOTON_NPCD378
 	select USE_NATIVE_RAMINIT
 
+config BOARD_HP_COMPAQ_ELITE_8300_USDT
+	select BOARD_HP_SNB_IVB_DESKTOPS_COMMON
+	select SOUTHBRIDGE_INTEL_C216
+	select BOARD_ROMSIZE_KB_16384
+
 config BOARD_HP_Z220_CMT_WORKSTATION
 	select BOARD_HP_SNB_IVB_DESKTOPS_COMMON
 	select BOARD_ROMSIZE_KB_16384
@@ -46,10 +51,12 @@ config MAINBOARD_DIR
 	default "hp/snb_ivb_desktops"
 
 config VARIANT_DIR
+	default "compaq_elite_8300_usdt" if BOARD_HP_COMPAQ_ELITE_8300_USDT
 	default "z220_cmt_workstation" if BOARD_HP_Z220_CMT_WORKSTATION
 	default "z220_sff_workstation" if BOARD_HP_Z220_SFF_WORKSTATION
 
 config MAINBOARD_PART_NUMBER
+	default "HP Compaq Elite 8300 USDT" if BOARD_HP_COMPAQ_ELITE_8300_USDT
 	default "HP Z220 CMT Workstation" if BOARD_HP_Z220_CMT_WORKSTATION
 	default "HP Z220 SFF Workstation" if BOARD_HP_Z220_SFF_WORKSTATION
 
@@ -63,7 +70,7 @@ config DRAM_RESET_GATE_GPIO
 	int
 	default 60
 
-config USBDEBUG_HCD_INDEX
+config USBDEBUG_HCD_INDEX # FIXME: check this on USDT
 	int
 	default 2
 endif
diff --git a/src/mainboard/hp/snb_ivb_desktops/Kconfig.name b/src/mainboard/hp/snb_ivb_desktops/Kconfig.name
index 96fc8072dc..e448cd8c14 100644
--- a/src/mainboard/hp/snb_ivb_desktops/Kconfig.name
+++ b/src/mainboard/hp/snb_ivb_desktops/Kconfig.name
@@ -1,5 +1,8 @@
 ## SPDX-License-Identifier: GPL-2.0-only
 
+config BOARD_HP_COMPAQ_ELITE_8300_USDT
+	bool "Compaq Elite 8300 USDT"
+
 config BOARD_HP_Z220_CMT_WORKSTATION
 	bool "Z220 CMT Workstation"
 
diff --git a/src/mainboard/hp/compaq_elite_8300_usdt/board_info.txt b/src/mainboard/hp/snb_ivb_desktops/variants/compaq_elite_8300_usdt/board_info.txt
index f47ea980b1..f47ea980b1 100644
--- a/src/mainboard/hp/compaq_elite_8300_usdt/board_info.txt
+++ b/src/mainboard/hp/snb_ivb_desktops/variants/compaq_elite_8300_usdt/board_info.txt
diff --git a/src/mainboard/hp/compaq_elite_8300_usdt/data.vbt b/src/mainboard/hp/snb_ivb_desktops/variants/compaq_elite_8300_usdt/data.vbt
index 4e24edf093..4e24edf093 100644
--- a/src/mainboard/hp/compaq_elite_8300_usdt/data.vbt
+++ b/src/mainboard/hp/snb_ivb_desktops/variants/compaq_elite_8300_usdt/data.vbt
diff --git a/src/mainboard/hp/compaq_elite_8300_usdt/early_init.c b/src/mainboard/hp/snb_ivb_desktops/variants/compaq_elite_8300_usdt/early_init.c
index ae75d7c32a..d3b638ff73 100644
--- a/src/mainboard/hp/compaq_elite_8300_usdt/early_init.c
+++ b/src/mainboard/hp/snb_ivb_desktops/variants/compaq_elite_8300_usdt/early_init.c
@@ -6,23 +6,6 @@
 #include <device/pci_ops.h>
 #include <southbridge/intel/bd82x6x/pch.h>
 
-const struct southbridge_usb_port mainboard_usb_ports[] = {
-	{ 1, 0, 0 },
-	{ 1, 0, 0 },
-	{ 1, 0, 1 },
-	{ 1, 0, 1 },
-	{ 1, 0, 2 },
-	{ 1, 0, 2 },
-	{ 1, 0, 3 },
-	{ 1, 0, 3 },
-	{ 1, 0, 4 },
-	{ 1, 0, 4 },
-	{ 1, 0, 6 },
-	{ 1, 0, 5 },
-	{ 1, 0, 5 },
-	{ 1, 0, 6 },
-};
-
 void bootblock_mainboard_early_init(void)
 {
 	pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x82, 0x1408);
diff --git a/src/mainboard/hp/compaq_elite_8300_usdt/gma-mainboard.ads b/src/mainboard/hp/snb_ivb_desktops/variants/compaq_elite_8300_usdt/gma-mainboard.ads
index 74b50645e6..74b50645e6 100644
--- a/src/mainboard/hp/compaq_elite_8300_usdt/gma-mainboard.ads
+++ b/src/mainboard/hp/snb_ivb_desktops/variants/compaq_elite_8300_usdt/gma-mainboard.ads
diff --git a/src/mainboard/hp/compaq_elite_8300_usdt/gpio.c b/src/mainboard/hp/snb_ivb_desktops/variants/compaq_elite_8300_usdt/gpio.c
index 2ae852ae51..2ae852ae51 100644
--- a/src/mainboard/hp/compaq_elite_8300_usdt/gpio.c
+++ b/src/mainboard/hp/snb_ivb_desktops/variants/compaq_elite_8300_usdt/gpio.c
diff --git a/src/mainboard/hp/compaq_elite_8300_usdt/hda_verb.c b/src/mainboard/hp/snb_ivb_desktops/variants/compaq_elite_8300_usdt/hda_verb.c
index 9c9415969f..9c9415969f 100644
--- a/src/mainboard/hp/compaq_elite_8300_usdt/hda_verb.c
+++ b/src/mainboard/hp/snb_ivb_desktops/variants/compaq_elite_8300_usdt/hda_verb.c
diff --git a/src/mainboard/hp/snb_ivb_desktops/variants/compaq_elite_8300_usdt/overridetree.cb b/src/mainboard/hp/snb_ivb_desktops/variants/compaq_elite_8300_usdt/overridetree.cb
new file mode 100644
index 0000000000..3511bbdeb2
--- /dev/null
+++ b/src/mainboard/hp/snb_ivb_desktops/variants/compaq_elite_8300_usdt/overridetree.cb
@@ -0,0 +1,49 @@
+## SPDX-License-Identifier: GPL-2.0-or-later
+
+chip northbridge/intel/sandybridge
+	register "gpu_dp_b_hotplug" = "4"
+	register "gpu_dp_c_hotplug" = "4"
+	# Two SO-DIMMs
+	register "spd_addresses" = "{0, 0x52, 0, 0x50}"
+
+	device domain 0 on
+		subsystemid 0x103c 0x3398 inherit
+
+		chip southbridge/intel/bd82x6x # Intel Series 7 Panther Point PCH
+			register "gen1_dec" = "0x00fc0a01"
+			# 0x1: 2.5", 0x2: DVD, 0x4: mSATA
+			register "sata_port_map" = "0x7"
+			register "superspeed_capable_ports" = "0x0000000f"
+			register "xhci_overcurrent_mapping" = "0x00000c03"
+			register "xhci_switchable_ports" =    "0x0000000f"
+			register "usb_port_config" = "{
+				{ 1, 0, 0 },
+				{ 1, 0, 0 },
+				{ 1, 0, 1 },
+				{ 1, 0, 1 },
+				{ 1, 0, 2 },
+				{ 1, 0, 2 },
+				{ 1, 0, 3 },
+				{ 1, 0, 3 },
+				{ 1, 0, 4 },
+				{ 1, 0, 4 },
+				{ 1, 0, 6 },
+				{ 1, 0, 5 },
+				{ 1, 0, 5 },
+				{ 1, 0, 6 },
+			}"
+
+			device ref xhci on end
+			device ref lpc on
+				chip superio/common
+					device pnp 2e.ff on
+						chip superio/nuvoton/npcd378
+							# Parallel port
+							device pnp 2e.1 off end
+						end
+					end
+				end
+			end
+		end
+	end
+end