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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 <jeremy@system76.com> Signed-off-by: Tim Crawford <tcrawford@system76.com>
1 parent d0cab05 commit a63b044

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‎src/mainboard/system76/meer9/Kconfig‎

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

‎src/mainboard/system76/meer9/Kconfig.name‎

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## SPDX-License-Identifier: GPL-2.0-only
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config BOARD_SYSTEM76_MEER9
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bool "meer9"

‎src/mainboard/system76/meer9/Makefile.mk‎

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## SPDX-License-Identifier: GPL-2.0-only
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CPPFLAGS_common += -I$(src)/mainboard/$(MAINBOARDDIR)/include
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bootblock-y += bootblock.c
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bootblock-y += variants/$(VARIANT_DIR)/gpio_early.c
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romstage-y += variants/$(VARIANT_DIR)/romstage.c
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ramstage-y += ramstage.c
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ramstage-y += variants/$(VARIANT_DIR)/hda_verb.c
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ramstage-y += variants/$(VARIANT_DIR)/gpio.c
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ramstage-y += variants/$(VARIANT_DIR)/ramstage.c

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

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

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

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

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

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

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

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

‎src/mainboard/system76/meer9/board_info.txt‎

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

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