mb/system76/meer9: Add Meerkat 9

The Meerkat 9 is an Intel Meteor Lake-H based small form factor desktop
computer.

Change-Id: I37a0b808cf383379b8e284831644c824c0d4817e
Signed-off-by: Jeremy Soller <[email protected]>
Signed-off-by: Tim Crawford <[email protected]>

src/mainboard/system76/meer9/Kconfig

@@ -0,0 +1,83 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
+config BOARD_SYSTEM76_MEER9_COMMON
+	def_bool n
+	select BOARD_ROMSIZE_KB_32768
+	select CRB_TPM
+	select DRIVERS_GENERIC_CBFS_SERIAL
+	select DRIVERS_GENERIC_CBFS_UUID
+	select DRIVERS_UART_8250IO
+	select HAVE_ACPI_RESUME
+	select HAVE_ACPI_TABLES
+	select HAVE_CMOS_DEFAULT
+	select HAVE_INTEL_PTT
+	select HAVE_OPTION_TABLE
+	select INTEL_GMA_HAVE_VBT
+	select MAINBOARD_HAS_TPM2
+	select NO_UART_ON_SUPERIO
+	select PCIEXP_SUPPORT_RESIZABLE_BARS
+	select SOC_INTEL_COMMON_BLOCK_HDA_VERB
+	select SOC_INTEL_CRASHLOG
+	select SOC_INTEL_METEORLAKE
+	select SPD_READ_BY_WORD
+
+config BOARD_SYSTEM76_MEER9
+	select BOARD_SYSTEM76_MEER9_COMMON
+	select SOC_INTEL_ENABLE_USB4_PCIE_RESOURCES
+	select SOC_INTEL_METEORLAKE_U_H
+
+if BOARD_SYSTEM76_MEER9_COMMON
+
+config MAINBOARD_DIR
+	default "system76/meer9"
+
+config VARIANT_DIR
+	default "meer9" if BOARD_SYSTEM76_MEER9
+
+config OVERRIDE_DEVICETREE
+	default "variants/\$(CONFIG_VARIANT_DIR)/overridetree.cb"
+
+config MAINBOARD_PART_NUMBER
+	default "meer9" if BOARD_SYSTEM76_MEER9
+
+config MAINBOARD_SMBIOS_PRODUCT_NAME
+	default "Meerkat" if BOARD_SYSTEM76_MEER9
+
+config MAINBOARD_VERSION
+	default "meer9" if BOARD_SYSTEM76_MEER9
+
+config CMOS_DEFAULT_FILE
+	default "src/mainboard/\$(MAINBOARDDIR)/cmos.default"
+
+config CONSOLE_POST
+	default y
+
+config D3COLD_SUPPORT
+	default n
+
+config DIMM_SPD_SIZE
+	default 1024
+
+config FMDFILE
+	default "src/mainboard/\$(CONFIG_MAINBOARD_DIR)/variants/\$(CONFIG_VARIANT_DIR)/board.fmd"
+
+config ONBOARD_VGA_IS_PRIMARY
+	default y
+
+config PCIEXP_DEFAULT_MAX_RESIZABLE_BAR_BITS
+	default 36
+
+config POST_DEVICE
+	default n
+
+config TPM_MEASURED_BOOT
+	default y
+
+config UART_FOR_CONSOLE
+	default 0
+
+# PM Timer Disabled, saves power
+config USE_PM_ACPI_TIMER
+	default n
+
+endif

src/mainboard/system76/meer9/Kconfig.name

@@ -0,0 +1,4 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
+config BOARD_SYSTEM76_MEER9
+	bool "meer9"

src/mainboard/system76/meer9/Makefile.mk

@@ -0,0 +1,13 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
+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
+ramstage-y += variants/$(VARIANT_DIR)/ramstage.c

src/mainboard/system76/meer9/acpi/mainboard.asl

@@ -0,0 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+Scope (\_SB) {
+	#include "sio.asl"
+	#include "sleep.asl"
+	#include "s76.asl"
+}

src/mainboard/system76/meer9/acpi/s76.asl

@@ -0,0 +1,113 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+// Notifications:
+//   0x80 - hardware backlight toggle
+//   0x81 - backlight toggle
+//   0x82 - backlight down
+//   0x83 - backlight up
+//   0x84 - backlight color change
+//   0x85 - OLED screen toggle
+Device (S76D) {
+	Name (_HID, "17761776")
+	Name (_UID, 0)
+	// Hide the device so that Windows does not warn about a missing driver.
+	Name (_STA, 0xB)
+
+	OperationRegion (HMIO, SystemIO, 0x295, 0x02)
+	Field (HMIO, ByteAcc, NoLock, Preserve) {
+		// Hardware manager index
+		HMID, 8,
+		// Hardware manager data
+		HMDT, 8,
+	}
+
+	Method (INIT, 0, Serialized) {
+		Printf ("S76D: INIT")
+		Return (0)
+	}
+
+	Method (FINI, 0, Serialized) {
+		Printf ("S76D: FINI")
+		Return (0)
+	}
+
+	// Get Airplane LED
+	Method (GAPL, 0, Serialized) {
+		Return (0)
+	}
+
+	// Set Airplane LED
+	Method (SAPL, 1, Serialized) {}
+
+	// Get Keyboard Backlight Kind
+	// 0 - No backlight
+	// 1 - White backlight
+	// 2 - RGB backlight
+	Method (GKBK, 0, Serialized) {
+		Return (0)
+	}
+
+	// Get Keyboard Brightness
+	Method (GKBB, 0, Serialized) {
+		Return (0)
+	}
+
+	// Set Keyboard Brightness
+	Method (SKBB, 1, Serialized) {}
+
+	// Get Keyboard Color
+	Method (GKBC, 0, Serialized) {
+		Return (0)
+	}
+
+	// Set Keyboard Color
+	Method (SKBC, 1, Serialized) {}
+
+	// Fan names
+	Method (NFAN, 0, Serialized) {
+		Return (Package() {
+			"CPU fan"
+		})
+	}
+
+	// Get fan duty cycle and RPM as a single value
+	Method (GFAN, 1, Serialized) {
+		// Set bank 0
+		HMID = 0x4E
+		HMDT = 0x80
+
+		// Read fan duty cycle
+		HMID = 0x4B
+		Local0 = HMDT
+
+		// Read fan RPM (low)
+		HMID = 0x33
+		Local1 = HMDT
+
+		// Read fan RPM (high)
+		HMID = 0x32
+		Local2 = HMDT
+
+		Return ((Local2 << 16) | (Local1 << 8) | Local0)
+	}
+
+	// Temperature names
+	Method (NTMP, 0, Serialized) {
+		Return (Package() {
+			"CPU temp"
+		})
+	}
+
+	// Get temperature
+	Method (GTMP, 1, Serialized) {
+		// Set bank 0
+		HMID = 0x4E
+		HMDT = 0x80
+
+		// Read temperature
+		HMID = 0x19
+		Local0 = HMDT
+
+		Return (Local0)
+	}
+}

src/mainboard/system76/meer9/acpi/sio.asl

@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+Device (SIO) {
+	Name (_ADR, 0x2E)
+	OperationRegion (SIOA, SystemIO, 0x2E, 0x02)
+	Field (SIOA, ByteAcc, NoLock, Preserve)
+	{
+		SI2E, 8,
+		SI2F, 8,
+	}
+	IndexField (SI2E, SI2F, ByteAcc, NoLock, Preserve)
+	{
+		Offset (0x07),
+		SLDN, 8,	/* Logical Device Number */
+		Offset(0xE5),
+		SRE5, 8,	/* Register 0xE5 */
+	}
+
+	Method (ENTR, 0, Serialized) {
+		// Enter config mode
+		SI2E = 0x87
+		SI2E = 0x87
+	}
+
+	Method (EXIT, 0, Serialized) {
+		// Exit config mode
+		SI2E = 0xAA
+	}
+
+	Method (PTS, 0, Serialized) {
+		ENTR()
+
+		// Turn on fading LED
+		SLDN = 0x15
+		SRE5 = 0x43
+
+		EXIT()
+	}
+
+	Method (WAK, 0, Serialized) {
+		ENTR()
+
+		// Turn off fading LED
+		SLDN = 0x15
+		SRE5 = 0x42
+
+		EXIT()
+	}
+}

src/mainboard/system76/meer9/acpi/sleep.asl

@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/* Method called from _PTS prior to enter sleep state */
+Method (MPTS, 1) {
+	\_SB.SIO.PTS()
+}
+
+/* Method called from _WAK prior to wakeup */
+Method (MWAK, 1) {
+	\_SB.SIO.WAK()
+}

src/mainboard/system76/meer9/board_info.txt

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+Vendor name: System76
+Category: desktop
+ROM package: WSON-8
+ROM protocol: SPI
+ROM socketed: y
+Flashrom support: y