mb/asrock: Add Z97E-ITX/ac (Haswell/Broadwell)

This is a rudimentary port of this board. It was done with Haswell
Autoport, wherein some adjustments for Broadwell were made
(Thanks to Angel Pons!).
The VBT was copied from /sys/kernel/debug/dri/1/i915_vbt on version
2.20 of the vendor firmware.

Working:
- Broadwell MRC.bin
- S3 suspend and resume
- All DIMM slots
- Libgfxinit
- HDMI-Out Port
- DVI-I Port (including passive DVI to VGA adapter)
- USB 2.0 Ports
- USB 3.1 Gen1
- RJ-45 LAN Port
- SATA3 6.0 Gb/s Connectors
- m.2 PCIe SSD
- mPCIe WiFi slot
- x16 PCIe slot
- USB 3.1 Gen1 Header
- Front Panel Audio Connector
- edk2

Not yet tested:
- SATA Express 10 Gb/s Connector
- HDMI-In Port
- DisplayPort 1.2
- Optical SPDIF Out Port
- PS/2 Mouse/Keyboard Port
- USB 2.0 Headers

Not working:
- Broadwell CPUs, see commit f5105313cf69 (mb/asrock/z97_extreme6:
Add new mainboard)
Special thanks to Angel Pons for guiding me through the process of
porting this board and pushing it to Gerrit!

Change-Id: I3b940e9281814e8360900221714c0dfa3ae39540
Signed-off-by: Jan Philipp Groß <jeangrande@mailbox.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/82760
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nicholas Chin <nic.c3.14@gmail.com>
Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de>

15 files changed, 507 insertions, 0 deletions

diff --git a/src/mainboard/asrock/z97e-itx_ac/Kconfig b/src/mainboard/asrock/z97e-itx_ac/Kconfig
new file mode 100644
index 0000000000..810bfd0814
--- /dev/null
+++ b/src/mainboard/asrock/z97e-itx_ac/Kconfig
@@ -0,0 +1,27 @@
+## SPDX-License-Identifier: GPL-2.0-or-later
+if BOARD_ASROCK_Z97E_ITX_AC
+
+config BOARD_SPECIFIC_OPTIONS
+	def_bool y
+	select BOARD_ROMSIZE_KB_8192
+	select GFX_GMA_ANALOG_I2C_HDMI_B
+	select HAVE_ACPI_RESUME
+	select HAVE_ACPI_TABLES
+	select INTEL_GMA_HAVE_VBT
+	select MAINBOARD_HAS_LIBGFXINIT
+	select MAINBOARD_USES_IFD_GBE_REGION
+	select NORTHBRIDGE_INTEL_HASWELL
+	select SERIRQ_CONTINUOUS_MODE
+	select SOUTHBRIDGE_INTEL_LYNXPOINT
+	select SUPERIO_NUVOTON_NCT6776
+	select USE_BROADWELL_MRC if !USE_NATIVE_RAMINIT
+
+config MAINBOARD_DIR
+	default "asrock/z97e-itx_ac"
+
+config MAINBOARD_PART_NUMBER
+	default "Z97E-ITX/ac"
+
+config USBDEBUG_HCD_INDEX # This is the top-most of the USB-2.0-Ports above the PS/2 port.
+	default 1
+endif
diff --git a/src/mainboard/asrock/z97e-itx_ac/Kconfig.name b/src/mainboard/asrock/z97e-itx_ac/Kconfig.name
new file mode 100644
index 0000000000..7d87119c3a
--- /dev/null
+++ b/src/mainboard/asrock/z97e-itx_ac/Kconfig.name
@@ -0,0 +1,4 @@
+## SPDX-License-Identifier: GPL-2.0-or-later
+
+config BOARD_ASROCK_Z97E_ITX_AC
+	bool "Z97E-ITX/ac"
diff --git a/src/mainboard/asrock/z97e-itx_ac/Makefile.mk b/src/mainboard/asrock/z97e-itx_ac/Makefile.mk
new file mode 100644
index 0000000000..513c347cbd
--- /dev/null
+++ b/src/mainboard/asrock/z97e-itx_ac/Makefile.mk
@@ -0,0 +1,6 @@
+## SPDX-License-Identifier: GPL-2.0-or-later
+
+bootblock-y += bootblock.c
+bootblock-y += gpio.c
+romstage-y += gpio.c
+ramstage-$(CONFIG_MAINBOARD_USE_LIBGFXINIT) += gma-mainboard.ads
diff --git a/src/mainboard/asrock/z97e-itx_ac/acpi/ec.asl b/src/mainboard/asrock/z97e-itx_ac/acpi/ec.asl
new file mode 100644
index 0000000000..16990d45f4
--- /dev/null
+++ b/src/mainboard/asrock/z97e-itx_ac/acpi/ec.asl
@@ -0,0 +1,3 @@
+/* SPDX-License-Identifier: CC-PDDC */
+
+/* Please update the license if adding licensable material. */
diff --git a/src/mainboard/asrock/z97e-itx_ac/acpi/platform.asl b/src/mainboard/asrock/z97e-itx_ac/acpi/platform.asl
new file mode 100644
index 0000000000..aff432b6f4
--- /dev/null
+++ b/src/mainboard/asrock/z97e-itx_ac/acpi/platform.asl
@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+Method(_WAK, 1)
+{
+	Return(Package() {0, 0})
+}
+
+Method(_PTS, 1)
+{
+}
diff --git a/src/mainboard/asrock/z97e-itx_ac/acpi/superio.asl b/src/mainboard/asrock/z97e-itx_ac/acpi/superio.asl
new file mode 100644
index 0000000000..ee2eabeb75
--- /dev/null
+++ b/src/mainboard/asrock/z97e-itx_ac/acpi/superio.asl
@@ -0,0 +1,3 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <drivers/pc80/pc/ps2_controller.asl>
diff --git a/src/mainboard/asrock/z97e-itx_ac/board_info.txt b/src/mainboard/asrock/z97e-itx_ac/board_info.txt
new file mode 100644
index 0000000000..10ca265956
--- /dev/null
+++ b/src/mainboard/asrock/z97e-itx_ac/board_info.txt
@@ -0,0 +1,7 @@
+Category: desktop
+Board URL: https://www.asrock.com/mb/Intel/Z97E-ITXac/
+ROM protocol: SPI
+Flashrom support: y
+ROM package: DIP-8
+ROM socketed: y
+Release year: 2014
diff --git a/src/mainboard/asrock/z97e-itx_ac/bootblock.c b/src/mainboard/asrock/z97e-itx_ac/bootblock.c
new file mode 100644
index 0000000000..d16fb395a0
--- /dev/null
+++ b/src/mainboard/asrock/z97e-itx_ac/bootblock.c
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <device/pnp_ops.h>
+#include <superio/nuvoton/common/nuvoton.h>
+#include <superio/nuvoton/nct6776/nct6776.h>
+#include <southbridge/intel/lynxpoint/pch.h>
+#define GLOBAL_DEV PNP_DEV(0x2e, 0)
+#define SERIAL_DEV PNP_DEV(0x2e, NCT6776_SP1)
+
+void mainboard_config_superio(void)
+{
+	nuvoton_pnp_enter_conf_state(GLOBAL_DEV);
+	/* Select SIO pin mux states */
+	pnp_write_config(GLOBAL_DEV, 0x1b, 0x48);
+	pnp_write_config(GLOBAL_DEV, 0x24, 0x5c);
+	pnp_write_config(GLOBAL_DEV, 0x27, 0xd0);
+	pnp_write_config(GLOBAL_DEV, 0x2a, 0xe0);
+	pnp_write_config(GLOBAL_DEV, 0x2c, 0x80);
+	pnp_write_config(GLOBAL_DEV, 0x2f, 0x01);
+	nuvoton_pnp_exit_conf_state(GLOBAL_DEV);
+}
diff --git a/src/mainboard/asrock/z97e-itx_ac/data.vbt b/src/mainboard/asrock/z97e-itx_ac/data.vbt
new file mode 100644
index 0000000000..5f2f92b459
--- /dev/null
+++ b/src/mainboard/asrock/z97e-itx_ac/data.vbt
diff --git a/src/mainboard/asrock/z97e-itx_ac/devicetree.cb b/src/mainboard/asrock/z97e-itx_ac/devicetree.cb
new file mode 100644
index 0000000000..2f118db48d
--- /dev/null
+++ b/src/mainboard/asrock/z97e-itx_ac/devicetree.cb
@@ -0,0 +1,132 @@
+chip northbridge/intel/haswell
+	register "gpu_ddi_e_connected" = "1"
+	register "gpu_dp_b_hotplug" = "4"
+	register "gpu_dp_c_hotplug" = "4"
+	register "gpu_dp_d_hotplug" = "4"
+
+	chip cpu/intel/haswell
+		device cpu_cluster 0 on
+			ops haswell_cpu_bus_ops
+		end
+	end
+
+	device domain 0 on
+		ops haswell_pci_domain_ops
+
+		device pci 00.0 on # Desktop Host bridge
+			subsystemid 0x1849 0x0c00
+		end
+		device pci 01.0 on # PEG
+			subsystemid 0x1849 0x0c01
+		end
+		device pci 02.0 on # iGPU
+			subsystemid 0x1849 0x0412
+		end
+		device pci 03.0 on # Mini-HD audio
+			subsystemid 0x1849 0x0c0c
+		end
+
+		chip southbridge/intel/lynxpoint # Intel 9 Series Lynx Point PCH
+			register "gen1_dec" = "0x000c0291"
+			register "gen2_dec" = "0x000c0241"
+			register "gen3_dec" = "0x000c0251"
+			register "gpe0_en_1" = "0x40002046"
+			register "sata_port0_gen3_dtle" = "0x2"
+			register "sata_port1_gen3_dtle" = "0x2"
+			register "sata_port_map" = "0x3f"
+
+			device pci 14.0 on 		# xHCI Controller
+				subsystemid 0x1849 0x8cb1
+			end
+			device pci 16.0 on  end		# MEI #1
+			device pci 16.1 off end		# MEI #2
+			device pci 19.0 on 		# Intel Gigabit Ethernet
+				subsystemid 0x1849 0x15a1
+			end
+			device pci 1a.0 on 		# USB2 EHCI #2
+				subsystemid 0x1849 0x8cad
+			end
+			device pci 1b.0 on 		# High Definition Audio
+				subsystemid 0x1849 0x1150
+			end
+			device pci 1c.0 on 		# RP #1 M.2 PCIe SSD
+				subsystemid 0x1849 0x8c90
+			end
+			device pci 1c.2 off end		# RP #3
+			device pci 1c.3 on 		# RP #4 mPCIe WiFi
+				subsystemid 0x1849 0x8c96
+			end
+			device pci 1c.4 off end		# RP #5
+			device pci 1c.5 off end		# RP #6
+			device pci 1c.6 off end		# RP #7
+			device pci 1c.7 off end		# RP #8
+			device pci 1d.0 on 		# USB2 EHCI #1
+				subsystemid 0x1849 0x8ca6
+			end
+			device pci 1f.0 on 		# LPC bridge
+				subsystemid 0x1849 0x8cc4
+
+				chip superio/nuvoton/nct6776
+					device pnp 2e.0   off end	# Floppy
+					device pnp 2e.1   off end	# Parallel
+					device pnp 2e.2   off end	# UART A
+					device pnp 2e.3   off end	# UART B, IR
+					device pnp 2e.5   on		# PS/2 Keyboard/Mouse
+						io  0x60 = 0x0060
+						io  0x62 = 0x0064
+						irq 0x70 = 1		# + Keyboard IRQ
+						irq 0x72 = 12		# + Mouse IRQ (unused)
+					end
+					device pnp 2e.6   off end	# CIR
+					device pnp 2e.7   on		# GPIO8
+						irq 0xe4 = 0xff		# + GPIO8 direction
+					end
+					device pnp 2e.107 off end	# GPIO9
+					device pnp 2e.8   off end	# WDT
+					device pnp 2e.108 off end	# GPIO0
+					device pnp 2e.208 on  end	# GPIOA
+					device pnp 2e.308 off end	# GPIO base
+					device pnp 2e.109 on  end	# GPIO1
+					device pnp 2e.209 on		# GPIO2
+						irq 0xe0 = 0xff		# + GPIO2 direction
+					end
+					device pnp 2e.309 off end	# GPIO3
+					device pnp 2e.409 off end	# GPIO4
+					device pnp 2e.509 on		# GPIO5
+						irq 0xf4 = 0x7f		# + GPIO5 direction
+						irq 0xf5 = 0x80		# + GPIO5 value
+					end
+					device pnp 2e.609 off end	# GPIO6
+					device pnp 2e.709 on  end	# GPIO7
+					device pnp 2e.a   on		# ACPI
+						irq 0xe6 = 0x4c
+						irq 0xf0 = 0x40
+					end
+					device pnp 2e.b   on		# HWM, LED
+						irq 0x30 = 0xe1		# + Fan RPM sense pins
+						io  0x60 = 0x0290	# + HWM base address
+						irq 0x70 = 0
+						irq 0xf7 = 0		# + Front Panel Green LED
+					end
+					device pnp 2e.d   off end	# VID
+					device pnp 2e.e   off end	# CIR wake-up
+					device pnp 2e.f   off end	# GPIO PP/OD
+					device pnp 2e.14  off end	# SVID
+					device pnp 2e.16  off end	# Deep sleep
+					device pnp 2e.17  on		# GPIOA
+						irq 0xe0 = 0		# + GPIOA direction
+						irq 0xe1 = 0		# + GPIOA value
+					end
+				end
+			end
+			device pci 1f.2 on 		# SATA Controller (AHCI)
+				subsystemid 0x1849 0x8c82
+			end
+			device pci 1f.3 on 		# SMBus
+				subsystemid 0x1849 0x8ca2
+			end
+			device pci 1f.5 off end		# SATA Controller (Legacy)
+			device pci 1f.6 off end		# Thermal
+		end
+	end
+end
diff --git a/src/mainboard/asrock/z97e-itx_ac/dsdt.asl b/src/mainboard/asrock/z97e-itx_ac/dsdt.asl
new file mode 100644
index 0000000000..2eb0805cf2
--- /dev/null
+++ b/src/mainboard/asrock/z97e-itx_ac/dsdt.asl
@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <acpi/acpi.h>
+
+DefinitionBlock(
+	"dsdt.aml",
+	"DSDT",
+	ACPI_DSDT_REV_2,
+	OEM_ID,
+	ACPI_TABLE_CREATOR,
+	0x20141018
+)
+{
+	#include <acpi/dsdt_top.asl>
+	#include "acpi/platform.asl"
+	#include <cpu/intel/common/acpi/cpu.asl>
+	#include <southbridge/intel/common/acpi/platform.asl>
+	/* global NVS and variables. */
+	#include <southbridge/intel/lynxpoint/acpi/globalnvs.asl>
+	#include <southbridge/intel/common/acpi/sleepstates.asl>
+
+	Device (\_SB.PCI0)
+	{
+		#include <northbridge/intel/haswell/acpi/hostbridge.asl>
+		#include <southbridge/intel/lynxpoint/acpi/pch.asl>
+	}
+}
diff --git a/src/mainboard/asrock/z97e-itx_ac/gma-mainboard.ads b/src/mainboard/asrock/z97e-itx_ac/gma-mainboard.ads
new file mode 100644
index 0000000000..53a134ea93
--- /dev/null
+++ b/src/mainboard/asrock/z97e-itx_ac/gma-mainboard.ads
@@ -0,0 +1,19 @@
+-- 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,     -- DP
+     HDMI1,   -- DVI-I
+     HDMI2,   -- DP
+     HDMI3,   -- HDMI
+     Analog,  -- DVI-I
+     others => Disabled);
+
+end GMA.Mainboard;
diff --git a/src/mainboard/asrock/z97e-itx_ac/gpio.c b/src/mainboard/asrock/z97e-itx_ac/gpio.c
new file mode 100644
index 0000000000..6c1c6ccf83
--- /dev/null
+++ b/src/mainboard/asrock/z97e-itx_ac/gpio.c
@@ -0,0 +1,182 @@
+/* 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_GPIO,
+	.gpio1 = GPIO_MODE_GPIO,
+	.gpio2 = GPIO_MODE_NATIVE,
+	.gpio3 = GPIO_MODE_NATIVE,
+	.gpio4 = GPIO_MODE_NATIVE,
+	.gpio5 = GPIO_MODE_NATIVE,
+	.gpio6 = GPIO_MODE_GPIO,
+	.gpio7 = GPIO_MODE_GPIO,
+	.gpio8 = GPIO_MODE_NATIVE,
+	.gpio9 = GPIO_MODE_NATIVE,
+	.gpio10 = GPIO_MODE_NATIVE,
+	.gpio11 = GPIO_MODE_NATIVE,
+	.gpio12 = GPIO_MODE_NATIVE,
+	.gpio13 = GPIO_MODE_GPIO,
+	.gpio14 = GPIO_MODE_NATIVE,
+	.gpio15 = GPIO_MODE_GPIO,
+	.gpio16 = GPIO_MODE_NATIVE,
+	.gpio17 = GPIO_MODE_GPIO,
+	.gpio18 = GPIO_MODE_NATIVE,
+	.gpio19 = GPIO_MODE_NATIVE,
+	.gpio20 = GPIO_MODE_NATIVE,
+	.gpio21 = GPIO_MODE_NATIVE,
+	.gpio22 = GPIO_MODE_NATIVE,
+	.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_NATIVE,
+	.gpio30 = GPIO_MODE_NATIVE,
+	.gpio31 = GPIO_MODE_GPIO,
+};
+
+static const struct pch_gpio_set1 pch_gpio_set1_direction = {
+	.gpio0 = GPIO_DIR_INPUT,
+	.gpio1 = GPIO_DIR_INPUT,
+	.gpio6 = GPIO_DIR_INPUT,
+	.gpio7 = GPIO_DIR_INPUT,
+	.gpio13 = GPIO_DIR_INPUT,
+	.gpio15 = GPIO_DIR_OUTPUT,
+	.gpio17 = GPIO_DIR_INPUT,
+	.gpio24 = GPIO_DIR_OUTPUT,
+	.gpio27 = GPIO_DIR_INPUT,
+	.gpio28 = GPIO_DIR_OUTPUT,
+	.gpio31 = GPIO_DIR_INPUT,
+};
+
+static const struct pch_gpio_set1 pch_gpio_set1_level = {
+	.gpio15 = GPIO_LEVEL_LOW,
+	.gpio24 = GPIO_LEVEL_LOW,
+	.gpio28 = GPIO_LEVEL_LOW,
+};
+
+static const struct pch_gpio_set1 pch_gpio_set1_reset = {
+	.gpio8 = GPIO_RESET_RSMRST,
+};
+
+static const struct pch_gpio_set1 pch_gpio_set1_invert = {
+	.gpio13 = GPIO_INVERT,
+};
+
+static const struct pch_gpio_set1 pch_gpio_set1_blink = {
+};
+
+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_NATIVE,
+	.gpio37 = GPIO_MODE_NATIVE,
+	.gpio38 = GPIO_MODE_NATIVE,
+	.gpio39 = GPIO_MODE_NATIVE,
+	.gpio40 = GPIO_MODE_NATIVE,
+	.gpio41 = GPIO_MODE_NATIVE,
+	.gpio42 = GPIO_MODE_NATIVE,
+	.gpio43 = GPIO_MODE_NATIVE,
+	.gpio44 = GPIO_MODE_NATIVE,
+	.gpio45 = GPIO_MODE_GPIO,
+	.gpio46 = GPIO_MODE_NATIVE,
+	.gpio47 = GPIO_MODE_NATIVE,
+	.gpio48 = GPIO_MODE_NATIVE,
+	.gpio49 = GPIO_MODE_NATIVE,
+	.gpio50 = GPIO_MODE_GPIO,
+	.gpio51 = GPIO_MODE_GPIO,
+	.gpio52 = GPIO_MODE_GPIO,
+	.gpio53 = GPIO_MODE_GPIO,
+	.gpio54 = GPIO_MODE_GPIO,
+	.gpio55 = GPIO_MODE_GPIO,
+	.gpio56 = GPIO_MODE_NATIVE,
+	.gpio57 = GPIO_MODE_GPIO,
+	.gpio58 = GPIO_MODE_NATIVE,
+	.gpio59 = GPIO_MODE_NATIVE,
+	.gpio60 = GPIO_MODE_NATIVE,
+	.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_OUTPUT,
+	.gpio33 = GPIO_DIR_OUTPUT,
+	.gpio34 = GPIO_DIR_INPUT,
+	.gpio35 = GPIO_DIR_OUTPUT,
+	.gpio45 = GPIO_DIR_OUTPUT,
+	.gpio50 = GPIO_DIR_INPUT,
+	.gpio51 = GPIO_DIR_OUTPUT,
+	.gpio52 = GPIO_DIR_INPUT,
+	.gpio53 = GPIO_DIR_OUTPUT,
+	.gpio54 = GPIO_DIR_INPUT,
+	.gpio55 = GPIO_DIR_OUTPUT,
+	.gpio57 = GPIO_DIR_INPUT,
+};
+
+static const struct pch_gpio_set2 pch_gpio_set2_level = {
+	.gpio32 = GPIO_LEVEL_HIGH,
+	.gpio33 = GPIO_LEVEL_HIGH,
+	.gpio35 = GPIO_LEVEL_LOW,
+	.gpio45 = GPIO_LEVEL_HIGH,
+	.gpio51 = GPIO_LEVEL_HIGH,
+	.gpio53 = GPIO_LEVEL_HIGH,
+	.gpio55 = GPIO_LEVEL_HIGH,
+};
+
+static const struct pch_gpio_set2 pch_gpio_set2_reset = {
+};
+
+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_GPIO,
+	.gpio69 = GPIO_MODE_GPIO,
+	.gpio70 = GPIO_MODE_NATIVE,
+	.gpio71 = GPIO_MODE_NATIVE,
+	.gpio72 = GPIO_MODE_GPIO,
+	.gpio73 = GPIO_MODE_NATIVE,
+	.gpio74 = GPIO_MODE_NATIVE,
+	.gpio75 = GPIO_MODE_NATIVE,
+};
+
+static const struct pch_gpio_set3 pch_gpio_set3_direction = {
+	.gpio68 = GPIO_DIR_INPUT,
+	.gpio69 = GPIO_DIR_INPUT,
+	.gpio72 = GPIO_DIR_INPUT,
+};
+
+static const struct pch_gpio_set3 pch_gpio_set3_level = {
+};
+
+static const struct pch_gpio_set3 pch_gpio_set3_reset = {
+};
+
+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,
+		.reset		= &pch_gpio_set1_reset,
+	},
+	.set2 = {
+		.mode		= &pch_gpio_set2_mode,
+		.direction	= &pch_gpio_set2_direction,
+		.level		= &pch_gpio_set2_level,
+		.reset		= &pch_gpio_set2_reset,
+	},
+	.set3 = {
+		.mode		= &pch_gpio_set3_mode,
+		.direction	= &pch_gpio_set3_direction,
+		.level		= &pch_gpio_set3_level,
+		.reset		= &pch_gpio_set3_reset,
+	},
+};
diff --git a/src/mainboard/asrock/z97e-itx_ac/hda_verb.c b/src/mainboard/asrock/z97e-itx_ac/hda_verb.c
new file mode 100644
index 0000000000..1eeed4cdf9
--- /dev/null
+++ b/src/mainboard/asrock/z97e-itx_ac/hda_verb.c
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <device/azalia_device.h>
+
+const u32 cim_verb_data[] = {
+	0x10ec0900,	/* Codec Vendor / Device ID: Realtek ALC1150 */
+	0x18491150,	/* Subsystem ID */
+	11,		/* Number of 4 dword sets */
+	AZALIA_SUBVENDOR(0, 0x18491150),
+	AZALIA_PIN_CFG(0, 0x11, 0x40000000),
+	AZALIA_PIN_CFG(0, 0x14, 0x01014010),
+	AZALIA_PIN_CFG(0, 0x15, 0x01011012),
+	AZALIA_PIN_CFG(0, 0x16, 0x01016011),
+	AZALIA_PIN_CFG(0, 0x17, AZALIA_PIN_CFG_NC(0)),
+	AZALIA_PIN_CFG(0, 0x18, 0x01a19040),
+	AZALIA_PIN_CFG(0, 0x19, 0x02a19050),
+	AZALIA_PIN_CFG(0, 0x1a, 0x0181304f),
+	AZALIA_PIN_CFG(0, 0x1b, 0x02214020),
+	AZALIA_PIN_CFG(0, 0x1e, 0x01451130),
+};
+
+const u32 pc_beep_verbs[0] = {};
+
+AZALIA_ARRAY_SIZES;
diff --git a/src/mainboard/asrock/z97e-itx_ac/romstage.c b/src/mainboard/asrock/z97e-itx_ac/romstage.c
new file mode 100644
index 0000000000..4abce7b625
--- /dev/null
+++ b/src/mainboard/asrock/z97e-itx_ac/romstage.c
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <northbridge/intel/haswell/haswell.h>
+#include <northbridge/intel/haswell/raminit.h>
+#include <southbridge/intel/lynxpoint/pch.h>
+
+void mainboard_config_rcba(void)
+{
+}
+
+void mb_get_spd_map(struct spd_info *spdi)
+{
+	spdi->addresses[0] = 0x50;
+	spdi->addresses[2] = 0x52;
+}
+
+const struct usb2_port_config mainboard_usb2_ports[MAX_USB2_PORTS] = {
+	/* Length, Enable, OCn#, Location */
+	{ 0x0040, 1, 0, USB_PORT_FLEX },
+	{ 0x0040, 1, 0, USB_PORT_FLEX },
+	{ 0x0110, 1, 1, USB_PORT_BACK_PANEL },
+	{ 0x0110, 1, 1, USB_PORT_BACK_PANEL },
+	{ 0x0040, 1, 2, USB_PORT_FLEX },
+	{ 0x0040, 1, 2, USB_PORT_FLEX },
+	{ 0x0040, 1, 3, USB_PORT_FLEX },
+	{ 0x0040, 1, 3, USB_PORT_FLEX },
+	{ 0x0110, 1, 4, USB_PORT_BACK_PANEL },
+	{ 0x0110, 1, 4, USB_PORT_BACK_PANEL },
+	{ 0x0140, 1, 5, USB_PORT_BACK_PANEL },
+	{ 0x0140, 1, 5, USB_PORT_BACK_PANEL },
+	{ 0x0040, 1, 6, USB_PORT_FLEX },
+	{ 0x0040, 1, 6, USB_PORT_FLEX },
+};
+
+const struct usb3_port_config mainboard_usb3_ports[MAX_USB3_PORTS] = {
+	{ 1, 0 },
+	{ 1, 0 },
+	{ 1, 1 },
+	{ 1, 1 },
+	{ 1, 2 },
+	{ 1, 2 },
+};