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-rw-r--r--src/mainboard/system76/kbl-u/Kconfig60
-rw-r--r--src/mainboard/system76/kbl-u/Kconfig.name2
-rw-r--r--src/mainboard/system76/kbl-u/Makefile.inc8
-rw-r--r--src/mainboard/system76/kbl-u/acpi/ac.asl22
-rw-r--r--src/mainboard/system76/kbl-u/acpi/battery.asl170
-rw-r--r--src/mainboard/system76/kbl-u/acpi/buttons.asl13
-rw-r--r--src/mainboard/system76/kbl-u/acpi/ec.asl228
-rw-r--r--src/mainboard/system76/kbl-u/acpi/ec_ram.asl171
-rw-r--r--src/mainboard/system76/kbl-u/acpi/gpe.asl11
-rw-r--r--src/mainboard/system76/kbl-u/acpi/hid.asl50
-rw-r--r--src/mainboard/system76/kbl-u/acpi/lid.asl23
-rw-r--r--src/mainboard/system76/kbl-u/acpi/mainboard.asl15
-rw-r--r--src/mainboard/system76/kbl-u/acpi/s76.asl84
-rw-r--r--src/mainboard/system76/kbl-u/acpi/sleep.asl11
-rw-r--r--src/mainboard/system76/kbl-u/acpi/superio.asl3
-rw-r--r--src/mainboard/system76/kbl-u/board_info.txt8
-rw-r--r--src/mainboard/system76/kbl-u/bootblock.c9
-rw-r--r--src/mainboard/system76/kbl-u/cmos.default2
-rw-r--r--src/mainboard/system76/kbl-u/cmos.layout34
-rw-r--r--src/mainboard/system76/kbl-u/devicetree.cb191
-rw-r--r--src/mainboard/system76/kbl-u/dsdt.asl27
-rw-r--r--src/mainboard/system76/kbl-u/gpio.c191
-rw-r--r--src/mainboard/system76/kbl-u/gpio_early.c14
-rw-r--r--src/mainboard/system76/kbl-u/include/mainboard/gpio.h9
-rw-r--r--src/mainboard/system76/kbl-u/ramstage.c13
-rw-r--r--src/mainboard/system76/kbl-u/romstage.c38
-rw-r--r--src/mainboard/system76/kbl-u/variants/galp3-b/data.vbtbin0 -> 4608 bytes
-rw-r--r--src/mainboard/system76/kbl-u/variants/galp3-b/hda_verb.c33
-rw-r--r--src/mainboard/system76/kbl-u/variants/galp3-b/overridetree.cb5
29 files changed, 1445 insertions, 0 deletions
diff --git a/src/mainboard/system76/kbl-u/Kconfig b/src/mainboard/system76/kbl-u/Kconfig
new file mode 100644
index 0000000000..e4421d179a
--- /dev/null
+++ b/src/mainboard/system76/kbl-u/Kconfig
@@ -0,0 +1,60 @@
+if BOARD_SYSTEM76_GALP3_B
+
+config BOARD_SPECIFIC_OPTIONS
+ def_bool y
+ select BOARD_ROMSIZE_KB_8192
+ select HAVE_ACPI_RESUME
+ select HAVE_ACPI_TABLES
+ select HAVE_CMOS_DEFAULT
+ select HAVE_OPTION_TABLE
+ select INTEL_GMA_HAVE_VBT
+ select INTEL_LPSS_UART_FOR_CONSOLE
+ select MAINBOARD_HAS_LPC_TPM
+ select MAINBOARD_HAS_TPM2
+ select NO_UART_ON_SUPERIO
+ select PCIEXP_HOTPLUG
+ select SOC_INTEL_COMMON_BLOCK_HDA_VERB
+ select SOC_INTEL_KABYLAKE
+ select SPD_READ_BY_WORD
+ select SYSTEM_TYPE_LAPTOP
+
+config MAINBOARD_DIR
+ default "system76/kbl-u"
+
+config VARIANT_DIR
+ default "galp3-b" if BOARD_SYSTEM76_GALP3_B
+
+config MAINBOARD_PART_NUMBER
+ default "galp3-b" if BOARD_SYSTEM76_GALP3_B
+
+config MAINBOARD_SMBIOS_PRODUCT_NAME
+ default "Galago Pro"
+
+config MAINBOARD_VERSION
+ default "galp3-b" if BOARD_SYSTEM76_GALP3_B
+
+config CBFS_SIZE
+ default 0x600000
+
+config CONSOLE_POST
+ default y
+
+config ONBOARD_VGA_IS_PRIMARY
+ default y
+
+config UART_FOR_CONSOLE
+ default 2
+
+config DIMM_MAX
+ default 2
+
+config DIMM_SPD_SIZE
+ default 512
+
+config VGA_BIOS_ID
+ default "8086,5917" if BOARD_SYSTEM76_GALP3_B
+
+config POST_DEVICE
+ default n
+
+endif
diff --git a/src/mainboard/system76/kbl-u/Kconfig.name b/src/mainboard/system76/kbl-u/Kconfig.name
new file mode 100644
index 0000000000..8af68d8805
--- /dev/null
+++ b/src/mainboard/system76/kbl-u/Kconfig.name
@@ -0,0 +1,2 @@
+config BOARD_SYSTEM76_GALP3_B
+ bool "galp3-b"
diff --git a/src/mainboard/system76/kbl-u/Makefile.inc b/src/mainboard/system76/kbl-u/Makefile.inc
new file mode 100644
index 0000000000..d749e412cc
--- /dev/null
+++ b/src/mainboard/system76/kbl-u/Makefile.inc
@@ -0,0 +1,8 @@
+CPPFLAGS_common += -I$(src)/mainboard/$(MAINBOARDDIR)/include
+
+bootblock-y += bootblock.c
+bootblock-y += gpio_early.c
+
+ramstage-y += ramstage.c
+ramstage-y += gpio.c
+ramstage-y += variants/$(VARIANT_DIR)/hda_verb.c
diff --git a/src/mainboard/system76/kbl-u/acpi/ac.asl b/src/mainboard/system76/kbl-u/acpi/ac.asl
new file mode 100644
index 0000000000..7326676198
--- /dev/null
+++ b/src/mainboard/system76/kbl-u/acpi/ac.asl
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+Device (AC)
+{
+ Name (_HID, "ACPI0003" /* Power Source Device */) // _HID: Hardware ID
+ Name (_PCL, Package (0x01) // _PCL: Power Consumer List
+ {
+ _SB
+ })
+
+ Name (ACFG, One)
+
+ Method (_PSR, 0, NotSerialized) // _PSR: Power Source
+ {
+ Return (ACFG)
+ }
+
+ Method (_STA, 0, NotSerialized) // _STA: Status
+ {
+ Return (0x0F)
+ }
+}
diff --git a/src/mainboard/system76/kbl-u/acpi/battery.asl b/src/mainboard/system76/kbl-u/acpi/battery.asl
new file mode 100644
index 0000000000..f3a8a9adb7
--- /dev/null
+++ b/src/mainboard/system76/kbl-u/acpi/battery.asl
@@ -0,0 +1,170 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+Device (BAT0)
+{
+ Name (_HID, EisaId ("PNP0C0A") /* Control Method Battery */) // _HID: Hardware ID
+ Name (_UID, Zero) // _UID: Unique ID
+ Name (_PCL, Package (0x01) // _PCL: Power Consumer List
+ {
+ _SB
+ })
+ Name (BFCC, Zero)
+ Method (_STA, 0, NotSerialized) // _STA: Status
+ {
+ If (^^PCI0.LPCB.EC0.ECOK)
+ {
+ If (^^PCI0.LPCB.EC0.BAT0)
+ {
+ Return (0x1F)
+ }
+ Else
+ {
+ Return (0x0F)
+ }
+ }
+ Else
+ {
+ Return (0x0F)
+ }
+ }
+
+ Name (PBIF, Package (0x0D)
+ {
+ One, // 0 - Power Unit
+ 0xFFFFFFFF, // 1 - Design Capacity
+ 0xFFFFFFFF, // 2 - Last Full Charge Capacity
+ One, // 3 - Battery Technology
+ 0x39D0, // 4 - Design Voltage
+ Zero, // 5 - Design Capacity of Warning
+ Zero, // 6 - Design Capacity of Low
+ 0x40, // 7 - Battery Capacity Granularity 1
+ 0x40, // 8 - Battery Capacity Granularity 2
+ "BAT", // 9 - Model Number
+ "0001", // 10 - Serial Number
+ "LION", // 11 - Battery Type
+ "Notebook" // 12 - OEM Information
+ })
+ Method (IVBI, 0, NotSerialized)
+ {
+ PBIF [1] = 0xFFFFFFFF
+ PBIF [2] = 0xFFFFFFFF
+ PBIF [4] = 0xFFFFFFFF
+ PBIF [9] = " "
+ PBIF [10] = " "
+ PBIF [11] = " "
+ PBIF [12] = " "
+ BFCC = Zero
+ }
+
+ Method (UPBI, 0, NotSerialized)
+ {
+ If (^^PCI0.LPCB.EC0.BAT0)
+ {
+ Local0 = (^^PCI0.LPCB.EC0.BDC0 & 0xFFFF)
+ PBIF [1] = Local0
+ Local0 = (^^PCI0.LPCB.EC0.BFC0 & 0xFFFF)
+ PBIF [2] = Local0
+ BFCC = Local0
+ Local0 = (^^PCI0.LPCB.EC0.BDV0 & 0xFFFF)
+ PBIF [4] = Local0
+ Local0 = (^^PCI0.LPCB.EC0.BCW0 & 0xFFFF)
+ PBIF [5] = Local0
+ Local0 = (^^PCI0.LPCB.EC0.BCL0 & 0xFFFF)
+ PBIF [6] = Local0
+ PBIF [9] = "BAT"
+ PBIF [10] = "0001"
+ PBIF [11] = "LION"
+ PBIF [12] = "Notebook"
+ }
+ Else
+ {
+ IVBI ()
+ }
+ }
+
+ Method (_BIF, 0, NotSerialized) // _BIF: Battery Information
+ {
+ If (^^PCI0.LPCB.EC0.ECOK)
+ {
+ UPBI ()
+ }
+ Else
+ {
+ IVBI ()
+ }
+
+ Return (PBIF) /* \_SB_.BAT0.PBIF */
+ }
+
+ Name (PBST, Package (0x04)
+ {
+ Zero, // 0 - Battery state
+ 0xFFFFFFFF, // 1 - Battery present rate
+ 0xFFFFFFFF, // 2 - Battery remaining capacity
+ 0x3D90 // 3 - Battery present voltage
+ })
+ Method (IVBS, 0, NotSerialized)
+ {
+ PBST [0] = Zero
+ PBST [1] = 0xFFFFFFFF
+ PBST [2] = 0xFFFFFFFF
+ PBST [3] = 0x2710
+ }
+
+ Method (UPBS, 0, NotSerialized)
+ {
+ If (^^PCI0.LPCB.EC0.BAT0)
+ {
+ Local0 = Zero
+ Local1 = Zero
+ If (^^AC.ACFG)
+ {
+ If (((^^PCI0.LPCB.EC0.BST0 & 0x02) == 0x02))
+ {
+ Local0 |= 0x02
+ Local1 = (^^PCI0.LPCB.EC0.BPR0 & 0xFFFF)
+ }
+ }
+ Else
+ {
+ Local0 |= One
+ Local1 = (^^PCI0.LPCB.EC0.BPR0 & 0xFFFF)
+ }
+
+ Local7 = (Local1 & 0x8000)
+ If ((Local7 == 0x8000))
+ {
+ Local1 ^= 0xFFFF
+ }
+
+ Local2 = (^^PCI0.LPCB.EC0.BRC0 & 0xFFFF)
+ Local3 = (^^PCI0.LPCB.EC0.BPV0 & 0xFFFF)
+ PBST [0] = Local0
+ PBST [1] = Local1
+ PBST [2] = Local2
+ PBST [3] = Local3
+ If ((BFCC != ^^PCI0.LPCB.EC0.BFC0))
+ {
+ Notify (BAT0, 0x81) // Information Change
+ }
+ }
+ Else
+ {
+ IVBS ()
+ }
+ }
+
+ Method (_BST, 0, NotSerialized) // _BST: Battery Status
+ {
+ If (^^PCI0.LPCB.EC0.ECOK)
+ {
+ UPBS ()
+ }
+ Else
+ {
+ IVBS ()
+ }
+
+ Return (PBST) /* \_SB_.BAT0.PBST */
+ }
+}
diff --git a/src/mainboard/system76/kbl-u/acpi/buttons.asl b/src/mainboard/system76/kbl-u/acpi/buttons.asl
new file mode 100644
index 0000000000..103c794595
--- /dev/null
+++ b/src/mainboard/system76/kbl-u/acpi/buttons.asl
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+Device (PWRB)
+{
+ Name (_HID, EisaId ("PNP0C0C"))
+ Name (_PRW, Package () { 0x13 /* GPP_C19 */, 3 })
+}
+
+Device (SLPB)
+{
+ Name (_HID, EisaId ("PNP0C0E"))
+ Name (_PRW, Package () { 0x13 /* GPP_C19 */, 3 })
+}
diff --git a/src/mainboard/system76/kbl-u/acpi/ec.asl b/src/mainboard/system76/kbl-u/acpi/ec.asl
new file mode 100644
index 0000000000..de25eca129
--- /dev/null
+++ b/src/mainboard/system76/kbl-u/acpi/ec.asl
@@ -0,0 +1,228 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+Device (EC0)
+{
+ Name (_HID, EisaId ("PNP0C09") /* Embedded Controller Device */) // _HID: Hardware ID
+ Name (_GPE, 0x50 /* GPP_E16 */) // _GPE: General Purpose Events
+ Name (_CRS, ResourceTemplate () // _CRS: Current Resource Settings
+ {
+ IO (Decode16,
+ 0x0062, // Range Minimum
+ 0x0062, // Range Maximum
+ 0x00, // Alignment
+ 0x01, // Length
+ )
+ IO (Decode16,
+ 0x0066, // Range Minimum
+ 0x0066, // Range Maximum
+ 0x00, // Alignment
+ 0x01, // Length
+ )
+ })
+
+ #include "acpi/ec_ram.asl"
+
+ Name (ECOK, Zero)
+ Method (_REG, 2, Serialized) // _REG: Region Availability
+ {
+ Debug = Concatenate("EC: _REG", Concatenate(ToHexString(Arg0), Concatenate(" ", ToHexString(Arg1))))
+ If ((Arg0 == 0x03) && (Arg1 == One)) {
+ // Enable hardware touchpad lock, airplane mode, and keyboard backlight keys
+ ECOS = 1
+
+ // Enable software display brightness keys
+ WINF = 1
+
+ // Set current AC state
+ ^^^^AC.ACFG = ADP
+ // Update battery information and status
+ ^^^^BAT0.UPBI()
+ ^^^^BAT0.UPBS()
+
+ // Notify of changes
+ Notify(^^^^AC, Zero)
+ Notify(^^^^BAT0, Zero)
+
+ PNOT ()
+
+ // EC is now available
+ ECOK = Arg1
+
+ // Reset System76 Device
+ ^^^^S76D.RSET()
+ }
+ }
+
+ Name (S3OS, Zero)
+ Method (PTS, 1, Serialized) {
+ Debug = Concatenate("EC: PTS: ", ToHexString(Arg0))
+ If (ECOK) {
+ // Save ECOS during sleep
+ S3OS = ECOS
+
+ // Clear wake cause
+ WFNO = Zero
+ }
+ }
+
+ Method (WAK, 1, Serialized) {
+ Debug = Concatenate("EC: WAK: ", ToHexString(Arg0))
+ If (ECOK) {
+ // Restore ECOS after sleep
+ ECOS = S3OS
+
+ // Set current AC state
+ ^^^^AC.ACFG = ADP
+
+ // Update battery information and status
+ ^^^^BAT0.UPBI()
+ ^^^^BAT0.UPBS()
+
+ // Notify of changes
+ Notify(^^^^AC, Zero)
+ Notify(^^^^BAT0, Zero)
+
+ // Reset System76 Device
+ ^^^^S76D.RSET()
+ }
+ }
+
+ Method (_Q0A, 0, NotSerialized) // Touchpad Toggle
+ {
+ Debug = "EC: Touchpad Toggle"
+ }
+
+ Method (_Q0B, 0, NotSerialized) // Screen Toggle
+ {
+ Debug = "EC: Screen Toggle"
+ }
+
+ Method (_Q0C, 0, NotSerialized) // Mute
+ {
+ Debug = "EC: Mute"
+ }
+
+ Method (_Q0D, 0, NotSerialized) // Keyboard Backlight
+ {
+ Debug = "EC: Keyboard Backlight"
+ }
+
+ Method (_Q0E, 0, NotSerialized) // Volume Down
+ {
+ Debug = "EC: Volume Down"
+ }
+
+ Method (_Q0F, 0, NotSerialized) // Volume Up
+ {
+ Debug = "EC: Volume Up"
+ }
+
+ Method (_Q10, 0, NotSerialized) // Switch Video Mode
+ {
+ Debug = "EC: Switch Video Mode"
+ }
+
+ Method (_Q11, 0, NotSerialized) // Brightness Down
+ {
+ Debug = "EC: Brightness Down"
+ if (^^^^HIDD.HRDY) {
+ ^^^^HIDD.HPEM (20)
+ }
+ }
+
+ Method (_Q12, 0, NotSerialized) // Brightness Up
+ {
+ Debug = "EC: Brightness Up"
+ if (^^^^HIDD.HRDY) {
+ ^^^^HIDD.HPEM (19)
+ }
+ }
+
+ Method (_Q13, 0, NotSerialized) // Camera Toggle
+ {
+ Debug = "EC: Camera Toggle"
+ }
+
+ Method (_Q14, 0, NotSerialized) // Airplane Mode
+ {
+ Debug = "EC: Airplane Mode"
+ if (^^^^HIDD.HRDY) {
+ ^^^^HIDD.HPEM (8)
+ }
+ // TODO: hardware airplane mode
+ }
+
+ Method (_Q15, 0, NotSerialized) // Suspend Button
+ {
+ Debug = "EC: Suspend Button"
+ Notify (SLPB, 0x80)
+ }
+
+ Method (_Q16, 0, NotSerialized) // AC Detect
+ {
+ Debug = "EC: AC Detect"
+ ^^^^AC.ACFG = ADP
+ Notify (AC, 0x80) // Status Change
+ If (BAT0)
+ {
+ Notify (^^^^BAT0, 0x81) // Information Change
+ Notify (^^^^BAT0, 0x80) // Status Change
+ }
+ }
+
+ Method (_Q17, 0, NotSerialized) // BAT0 Update
+ {
+ Debug = "EC: BAT0 Update (17)"
+ Notify (^^^^BAT0, 0x81) // Information Change
+ }
+
+ Method (_Q19, 0, NotSerialized) // BAT0 Update
+ {
+ Debug = "EC: BAT0 Update (19)"
+ Notify (^^^^BAT0, 0x81) // Information Change
+ }
+
+ Method (_Q1B, 0, NotSerialized) // Lid Close
+ {
+ Debug = "EC: Lid Close"
+ Notify (LID0, 0x80)
+ }
+
+ Method (_Q1C, 0, NotSerialized) // Thermal Trip
+ {
+ Debug = "EC: Thermal Trip"
+ /* TODO
+ Notify (\_TZ.TZ0, 0x81) // Thermal Trip Point Change
+ Notify (\_TZ.TZ0, 0x80) // Thermal Status Change
+ */
+ }
+
+ Method (_Q1D, 0, NotSerialized) // Power Button
+ {
+ Debug = "EC: Power Button"
+ Notify (PWRB, 0x80)
+ }
+
+ Method (_Q50, 0, NotSerialized) // Other Events
+ {
+ Local0 = OEM4
+ If (Local0 == 0x8A) {
+ Debug = "EC: White Keyboard Backlight"
+ Notify (^^^^S76D, 0x80)
+ } ElseIf (Local0 == 0x9F) {
+ Debug = "EC: Color Keyboard Toggle"
+ Notify (^^^^S76D, 0x81)
+ } ElseIf (Local0 == 0x81) {
+ Debug = "EC: Color Keyboard Down"
+ Notify (^^^^S76D, 0x82)
+ } ElseIf (Local0 == 0x82) {
+ Debug = "EC: Color Keyboard Up"
+ Notify (^^^^S76D, 0x83)
+ } ElseIf (Local0 == 0x80) {
+ Debug = "EC: Color Keyboard Color Change"
+ Notify (^^^^S76D, 0x84)
+ } Else {
+ Debug = Concatenate("EC: Other: ", ToHexString(Local0))
+ }
+ }
+}
diff --git a/src/mainboard/system76/kbl-u/acpi/ec_ram.asl b/src/mainboard/system76/kbl-u/acpi/ec_ram.asl
new file mode 100644
index 0000000000..0b6d27e051
--- /dev/null
+++ b/src/mainboard/system76/kbl-u/acpi/ec_ram.asl
@@ -0,0 +1,171 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+OperationRegion (ERAM, EmbeddedControl, Zero, 0xFF)
+Field (ERAM, ByteAcc, Lock, Preserve)
+{
+ NMSG, 8,
+ SLED, 4,
+ Offset (0x02),
+ MODE, 1,
+ FAN0, 1,
+ TME0, 1,
+ TME1, 1,
+ FAN1, 1,
+ , 2,
+ Offset (0x03),
+ LSTE, 1, // Lid is open
+ LSW0, 1,
+ LWKE, 1, // Lid wake
+ WAKF, 1,
+ , 2,
+ PWKE, 1,
+ MWKE, 1,
+ AC0, 8,
+ PSV, 8,
+ CRT, 8,
+ TMP, 8,
+ AC1, 8,
+ BBST, 8,
+ Offset (0x0B),
+ Offset (0x0C),
+ Offset (0x0D),
+ Offset (0x0E),
+ SLPT, 8,
+ SWEJ, 1,
+ SWCH, 1,
+ Offset (0x10),
+ ADP, 1, // AC adapter connected
+ AFLT, 1,
+ BAT0, 1,
+ BAT1, 1,
+ , 3,
+ PWOF, 1,
+ WFNO, 8, // Wake cause
+ BPU0, 32,
+ BDC0, 32, // Battery design capacity
+ BFC0, 32, // Battery full capacity
+ BTC0, 32,
+ BDV0, 32, // Battery design voltage
+ BST0, 32, // Battery status
+ BPR0, 32, // Battery current
+ BRC0, 32, // Battery remaining capacity
+ BPV0, 32, // Battery voltage
+ BTP0, 16,
+ BRS0, 16,
+ BCW0, 32,
+ BCL0, 32,
+ BCG0, 32,
+ BG20, 32,
+ BMO0, 64,
+ BIF0, 64,
+ BSN0, 32,
+ BTY0, 64,
+ Offset (0x68),
+ ECOS, 8, // Detected OS, 0 = no ACPI, 1 = ACPI but no driver, 2 = ACPI with driver
+ LNXD, 8,
+ ECPS, 8,
+ Offset (0x6C),
+ BTMP, 16,
+ EVTN, 8,
+ Offset (0x72),
+ PRCL, 8,
+ PRC0, 8,
+ PRC1, 8,
+ PRCM, 8,
+ PRIN, 8,
+ PSTE, 8,
+ PCAD, 8,
+ PEWL, 8,
+ PWRL, 8,
+ PECD, 8,
+ PEHI, 8,
+ PECI, 8,
+ PEPL, 8,
+ PEPM, 8,
+ PWFC, 8,
+ PECC, 8,
+ PDT0, 8,
+ PDT1, 8,
+ PDT2, 8,
+ PDT3, 8,
+ PRFC, 8,
+ PRS0, 8,
+ PRS1, 8,
+ PRS2, 8,
+ PRS3, 8,
+ PRS4, 8,
+ PRCS, 8,
+ PEC0, 8,
+ PEC1, 8,
+ PEC2, 8,
+ PEC3, 8,
+ CMDR, 8,
+ CVRT, 8,
+ GTVR, 8,
+ FANT, 8,
+ SKNT, 8,
+ AMBT, 8,
+ MCRT, 8,
+ DIM0, 8,
+ DIM1, 8,
+ PMAX, 8,
+ PPDT, 8,
+ PECH, 8,
+ PMDT, 8,
+ TSD0, 8,
+ TSD1, 8,
+ TSD2, 8,
+ TSD3, 8,
+ CPUP, 16,
+ MCHP, 16,
+ SYSP, 16,
+ CPAP, 16,
+ MCAP, 16,
+ SYAP, 16,
+ CFSP, 16,
+ CPUE, 16,
+ Offset (0xC6),
+ Offset (0xC7),
+ VGAT, 8,
+ OEM1, 8,
+ OEM2, 8,
+ OEM3, 16,
+ OEM4, 8, // Extra SCI data
+ Offset (0xCE),
+ DUT1, 8, // Fan 1 duty
+ DUT2, 8, // Fan 2 duty
+ RPM1, 16, // Fan 1 RPM
+ RPM2, 16, // Fan 2 RPM
+ RPM4, 16,
+ Offset (0xD7),
+ DTHL, 8,
+ DTBP, 8,
+ AIRP, 8, // Airplane mode LED
+ WINF, 8, // Enable ACPI brightness controls
+ RINF, 8,
+ Offset (0xDD),
+ INF2, 8,
+ MUTE, 1,
+ Offset (0xE0),
+ RPM3, 16,
+ ECKS, 8,
+ Offset (0xE4),
+ , 4,
+ XTUF, 1,
+ EP12, 1,
+ Offset (0xE5),
+ INF3, 8,
+ Offset (0xE7),
+ GFOF, 8,
+ Offset (0xF0),
+ PL1T, 16,
+ PL2T, 16,
+ TAUT, 8,
+ Offset (0xF8),
+ FCMD, 8,
+ FDAT, 8,
+ FBUF, 8,
+ FBF1, 8,
+ FBF2, 8,
+ FBF3, 8,
+}
diff --git a/src/mainboard/system76/kbl-u/acpi/gpe.asl b/src/mainboard/system76/kbl-u/acpi/gpe.asl
new file mode 100644
index 0000000000..b60a132f9c
--- /dev/null
+++ b/src/mainboard/system76/kbl-u/acpi/gpe.asl
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+// GPP_C19 SCI
+Method (_L13, 0, Serialized) {
+ Debug = Concatenate("GPE _L13: ", ToHexString(\_SB.PCI0.LPCB.EC0.WFNO))
+ If (\_SB.PCI0.LPCB.EC0.ECOK) {
+ If (\_SB.PCI0.LPCB.EC0.WFNO == 1) {
+ Notify(\_SB.LID0, 0x80)
+ }
+ }
+}
diff --git a/src/mainboard/system76/kbl-u/acpi/hid.asl b/src/mainboard/system76/kbl-u/acpi/hid.asl
new file mode 100644
index 0000000000..6610c2e1bc
--- /dev/null
+++ b/src/mainboard/system76/kbl-u/acpi/hid.asl
@@ -0,0 +1,50 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+Device (HIDD)
+{
+ Name (_HID, "INT33D5")
+ Name (HBSY, Zero)
+ Name (HIDX, Zero)
+ Name (HRDY, Zero)
+
+ Method (HDEM, 0, Serialized)
+ {
+ HBSY = Zero
+ Return (HIDX)
+ }
+
+ Method (HDMM, 0, Serialized)
+ {
+ Return (Zero)
+ }
+
+ Method (HDSM, 1, Serialized)
+ {
+ HRDY = Arg0
+ }
+
+ Method (HPEM, 1, Serialized)
+ {
+ HBSY = One
+ HIDX = Arg0
+
+ Notify (HIDD, 0xC0)
+ Local0 = Zero
+ While ((Local0 < 0xFA) && HBSY)
+ {
+ Sleep (0x04)
+ Local0++
+ }
+
+ If (HBSY == One)
+ {
+ HBSY = Zero
+ HIDX = Zero
+ Return (One)
+ }
+ Else
+ {
+ Return (Zero)
+ }
+ }
+}
diff --git a/src/mainboard/system76/kbl-u/acpi/lid.asl b/src/mainboard/system76/kbl-u/acpi/lid.asl
new file mode 100644
index 0000000000..582c38d87c
--- /dev/null
+++ b/src/mainboard/system76/kbl-u/acpi/lid.asl
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+Device (LID0)
+{
+ Name (_HID, EisaId ("PNP0C0D"))
+ Name (_PRW, Package () { 0x13 /* GPP_C19 */, 3 })
+
+ Method (_LID, 0, NotSerialized) {
+ DEBUG = "LID: _LID"
+ If (^^PCI0.LPCB.EC0.ECOK) {
+ Return (^^PCI0.LPCB.EC0.LSTE)
+ } Else {
+ Return (One)
+ }
+ }
+
+ Method (_PSW, 1, NotSerialized) {
+ DEBUG = Concatenate("LID: _PSW: ", ToHexString(Arg0))
+ If (^^PCI0.LPCB.EC0.ECOK) {
+ ^^PCI0.LPCB.EC0.LWKE = Arg0
+ }
+ }
+}
diff --git a/src/mainboard/system76/kbl-u/acpi/mainboard.asl b/src/mainboard/system76/kbl-u/acpi/mainboard.asl
new file mode 100644
index 0000000000..11735e8e01
--- /dev/null
+++ b/src/mainboard/system76/kbl-u/acpi/mainboard.asl
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+Scope (\_SB) {
+ #include "ac.asl"
+ #include "battery.asl"
+ #include "buttons.asl"
+ #include "hid.asl"
+ #include "lid.asl"
+ #include "s76.asl"
+ #include "sleep.asl"
+}
+
+Scope (_GPE) {
+ #include "gpe.asl"
+}
diff --git a/src/mainboard/system76/kbl-u/acpi/s76.asl b/src/mainboard/system76/kbl-u/acpi/s76.asl
new file mode 100644
index 0000000000..399e569734
--- /dev/null
+++ b/src/mainboard/system76/kbl-u/acpi/s76.asl
@@ -0,0 +1,84 @@
+/* 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
+Device (S76D) {
+ Name (_HID, "17761776")
+ Name (_UID, 0)
+
+ Method (RSET, 0, Serialized) {
+ Debug = "S76D: RSET"
+ SAPL(0)
+ SKBL(0)
+ }
+
+ Method (INIT, 0, Serialized) {
+ Debug = "S76D: INIT"
+ RSET()
+ If (^^PCI0.LPCB.EC0.ECOK) {
+ // Set flags to use software control
+ ^^PCI0.LPCB.EC0.ECOS = 2
+ Return (0)
+ } Else {
+ Return (1)
+ }
+ }
+
+ Method (FINI, 0, Serialized) {
+ Debug = "S76D: FINI"
+ RSET()
+ If (^^PCI0.LPCB.EC0.ECOK) {
+ // Set flags to use hardware control
+ ^^PCI0.LPCB.EC0.ECOS = 1
+ Return (0)
+ } Else {
+ Return (1)
+ }
+ }
+
+ // Get Airplane LED
+ Method (GAPL, 0, Serialized) {
+ If (^^PCI0.LPCB.EC0.ECOK) {
+ If (^^PCI0.LPCB.EC0.AIRP & 0x40) {
+ Return (1)
+ }
+ }
+ Return (0)
+ }
+
+ // Set Airplane LED
+ Method (SAPL, 1, Serialized) {
+ If (^^PCI0.LPCB.EC0.ECOK) {
+ If (Arg0) {
+ ^^PCI0.LPCB.EC0.AIRP |= 0x40
+ } Else {
+ ^^PCI0.LPCB.EC0.AIRP &= 0xBF
+ }
+ }
+ }
+
+ // Get KB LED
+ Method (GKBL, 0, Serialized) {
+ Local0 = 0
+ If (^^PCI0.LPCB.EC0.ECOK) {
+ ^^PCI0.LPCB.EC0.FDAT = One
+ ^^PCI0.LPCB.EC0.FCMD = 0xCA
+ Local0 = ^^PCI0.LPCB.EC0.FBUF
+ ^^PCI0.LPCB.EC0.FCMD = Zero
+ }
+ Return (Local0)
+ }
+
+ // Set KB Led
+ Method (SKBL, 1, Serialized) {
+ If (^^PCI0.LPCB.EC0.ECOK) {
+ ^^PCI0.LPCB.EC0.FDAT = Zero
+ ^^PCI0.LPCB.EC0.FBUF = Arg0
+ ^^PCI0.LPCB.EC0.FCMD = 0xCA
+ }
+ }
+}
diff --git a/src/mainboard/system76/kbl-u/acpi/sleep.asl b/src/mainboard/system76/kbl-u/acpi/sleep.asl
new file mode 100644
index 0000000000..48c50e075e
--- /dev/null
+++ b/src/mainboard/system76/kbl-u/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.PCI0.LPCB.EC0.PTS (Arg0)
+}
+
+/* Method called from _WAK prior to wakeup */
+Method (MWAK, 1) {
+ \_SB.PCI0.LPCB.EC0.WAK (Arg0)
+}
diff --git a/src/mainboard/system76/kbl-u/acpi/superio.asl b/src/mainboard/system76/kbl-u/acpi/superio.asl
new file mode 100644
index 0000000000..55b1db5b11
--- /dev/null
+++ b/src/mainboard/system76/kbl-u/acpi/superio.asl
@@ -0,0 +1,3 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <drivers/pc80/pc/ps2_controller.asl>
diff --git a/src/mainboard/system76/kbl-u/board_info.txt b/src/mainboard/system76/kbl-u/board_info.txt
new file mode 100644
index 0000000000..56e98a39e3
--- /dev/null
+++ b/src/mainboard/system76/kbl-u/board_info.txt
@@ -0,0 +1,8 @@
+Vendor name: System76
+Board name: kbl-u
+Category: laptop
+Release year: 2018
+ROM package: SOIC-8
+ROM protocol: SPI
+ROM socketed: n
+Flashrom support: y
diff --git a/src/mainboard/system76/kbl-u/bootblock.c b/src/mainboard/system76/kbl-u/bootblock.c
new file mode 100644
index 0000000000..8d06adc9d7
--- /dev/null
+++ b/src/mainboard/system76/kbl-u/bootblock.c
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <bootblock_common.h>
+#include <mainboard/gpio.h>
+
+void bootblock_mainboard_early_init(void)
+{
+ mainboard_configure_early_gpios();
+}
diff --git a/src/mainboard/system76/kbl-u/cmos.default b/src/mainboard/system76/kbl-u/cmos.default
new file mode 100644
index 0000000000..06b04332a2
--- /dev/null
+++ b/src/mainboard/system76/kbl-u/cmos.default
@@ -0,0 +1,2 @@
+boot_option=Fallback
+debug_level=Debug
diff --git a/src/mainboard/system76/kbl-u/cmos.layout b/src/mainboard/system76/kbl-u/cmos.layout
new file mode 100644
index 0000000000..ac817525dd
--- /dev/null
+++ b/src/mainboard/system76/kbl-u/cmos.layout
@@ -0,0 +1,34 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
+entries
+
+0 384 r 0 reserved_memory
+
+# RTC_BOOT_BYTE (coreboot hardcoded)
+384 1 e 4 boot_option
+388 4 h 0 reboot_counter
+
+# RTC_CLK_ALTCENTURY
+400 8 r 0 century
+
+412 4 e 6 debug_level
+984 16 h 0 check_sum
+
+enumerations
+
+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
+
+checksums
+
+checksum 408 983 984
diff --git a/src/mainboard/system76/kbl-u/devicetree.cb b/src/mainboard/system76/kbl-u/devicetree.cb
new file mode 100644
index 0000000000..6322394ac1
--- /dev/null
+++ b/src/mainboard/system76/kbl-u/devicetree.cb
@@ -0,0 +1,191 @@
+chip soc/intel/skylake
+ # Send an extra VR mailbox command for the PS4 exit issue
+ register "SendVrMbxCmd" = "2"
+
+ # Power limit
+ register "power_limits_config" = "{
+ .tdp_pl1_override = 20,
+ .tdp_pl2_override = 30,
+ }"
+
+ # Enable Enhanced Intel SpeedStep
+ register "eist_enable" = "1"
+
+ # Serial I/O
+ register "SerialIoDevMode" = "{
+ [PchSerialIoIndexUart2] = PchSerialIoSkipInit, // LPSS UART
+ }"
+
+ # Serial IRQ
+ register "serirq_mode" = "SERIRQ_CONTINUOUS"
+
+ # Power
+ register "PmConfigSlpS3MinAssert" = "2" # 50ms
+ register "PmConfigSlpS4MinAssert" = "1" # 1s
+ register "PmConfigSlpSusMinAssert" = "3" # 500ms
+ register "PmConfigSlpAMinAssert" = "3" # 2s
+
+ # FSP Configuration
+ register "SkipExtGfxScan" = "1"
+ register "SaGv" = "SaGv_Enabled"
+
+ # VR Settings Configuration for 4 Domains
+ #+----------------+-----------+-----------+-------------+----------+
+ #| Domain/Setting | SA | IA | GT Unsliced | GT |
+ #+----------------+-----------+-----------+-------------+----------+
+ #| Psi1Threshold | 20A | 20A | 20A | 20A |
+ #| Psi2Threshold | 4A | 5A | 5A | 5A |
+ #| Psi3Threshold | 1A | 1A | 1A | 1A |
+ #| Psi3Enable | 1 | 1 | 1 | 1 |
+ #| Psi4Enable | 1 | 1 | 1 | 1 |
+ #| ImonSlope | 0 | 0 | 0 | 0 |
+ #| ImonOffset | 0 | 0 | 0 | 0 |
+ #| IccMax | 5A | 64A | 31A | 31A |
+ #| VrVoltageLimit | 1.52V | 1.52V | 1.52V | 1.52V |
+ #+----------------+-----------+-----------+-------------+----------+
+ register "domain_vr_config[VR_SYSTEM_AGENT]" = "{
+ .vr_config_enable = 1,
+ .psi1threshold = VR_CFG_AMP(20),
+ .psi2threshold = VR_CFG_AMP(4),
+ .psi3threshold = VR_CFG_AMP(1),
+ .psi3enable = 0,
+ .psi4enable = 0,
+ .imon_slope = 0x0,
+ .imon_offset = 0x0,
+ .icc_max = VR_CFG_AMP(5),
+ .voltage_limit = 1520,
+ .ac_loadline = 1030,
+ .dc_loadline = 1030,
+ }"
+
+ register "domain_vr_config[VR_IA_CORE]" = "{
+ .vr_config_enable = 1,
+ .psi1threshold = VR_CFG_AMP(20),
+ .psi2threshold = VR_CFG_AMP(5),
+ .psi3threshold = VR_CFG_AMP(1),
+ .psi3enable = 0,
+ .psi4enable = 0,
+ .imon_slope = 0x0,
+ .imon_offset = 0x0,
+ .icc_max = VR_CFG_AMP(64),
+ .voltage_limit = 1520,
+ .ac_loadline = 240,
+ .dc_loadline = 240,
+ }"
+
+ register "domain_vr_config[VR_GT_UNSLICED]" = "{
+ .vr_config_enable = 1,
+ .psi1threshold = VR_CFG_AMP(20),
+ .psi2threshold = VR_CFG_AMP(5),
+ .psi3threshold = VR_CFG_AMP(1),
+ .psi3enable = 0,
+ .psi4enable = 0,
+ .imon_slope = 0x0,
+ .imon_offset = 0x0,
+ .icc_max = VR_CFG_AMP(31),
+ .voltage_limit = 1520,
+ .ac_loadline = 310,
+ .dc_loadline = 310,
+ }"
+
+ register "domain_vr_config[VR_GT_SLICED]" = "{
+ .vr_config_enable = 1,
+ .psi1threshold = VR_CFG_AMP(20),
+ .psi2threshold = VR_CFG_AMP(5),
+ .psi3threshold = VR_CFG_AMP(1),
+ .psi3enable = 0,
+ .psi4enable = 0,
+ .imon_slope = 0x0,
+ .imon_offset = 0x0,
+ .icc_max = VR_CFG_AMP(31),
+ .voltage_limit = 1520,
+ .ac_loadline = 310,
+ .dc_loadline = 310,
+ }"
+
+ device cpu_cluster 0 on
+ device lapic 0 on end
+ end
+
+ device domain 0 on
+ device ref system_agent on end
+ device ref igpu on end
+ device ref sa_thermal on end
+ device ref south_xhci on
+ # USB2
+ register "usb2_ports[0]" = "USB2_PORT_MID(OC_SKIP)" # Type-A port right
+ register "usb2_ports[1]" = "USB2_PORT_FLEX(OC_SKIP)" # 3G / LTE
+ register "usb2_ports[2]" = "USB2_PORT_TYPE_C(OC_SKIP)" # Type-C port right
+ register "usb2_ports[3]" = "USB2_PORT_FLEX(OC_SKIP)" # Camera
+ register "usb2_ports[4]" = "USB2_PORT_FLEX(OC_SKIP)" # Bluetooth
+ register "usb2_ports[6]" = "USB2_PORT_FLEX(OC_SKIP)" # Type-A port left
+ register "usb2_ports[7]" = "USB2_PORT_TYPE_C(OC_SKIP)" # Type-C port right
+ # USB3
+ register "usb3_ports[0]" = "USB3_PORT_DEFAULT(OC_SKIP)" # Type-A port right
+ register "usb3_ports[1]" = "USB3_PORT_DEFAULT(OC_SKIP)" # 4G
+ register "usb3_ports[2]" = "USB3_PORT_DEFAULT(OC_SKIP)" # Type C port right
+ register "usb3_ports[3]" = "USB3_PORT_DEFAULT(OC_SKIP)" # Type-A port left
+ end
+ device ref thermal on end
+ device ref sata on
+ register "SataSalpSupport" = "0"
+ register "SataPortsEnable[0]" = "1"
+ register "SataPortsEnable[2]" = "1"
+ register "SataSpeedLimit" = "2"
+ end
+ device ref pcie_rp1 on
+ # Root port #1 x4 (TBT)
+ register "PcieRpEnable[0]" = "1"
+ register "PcieRpClkReqSupport[0]" = "1"
+ register "PcieRpClkReqNumber[0]" = "4"
+ register "PcieRpClkSrcNumber[0]" = "4"
+ register "PcieRpAdvancedErrorReporting[0]" = "1"
+ register "PcieRpLtrEnable[0]" = "1"
+ register "PcieRpHotPlug[0]" = "1"
+ end
+ device ref pcie_rp5 on
+ # Root port #5 x1 (LAN)
+ register "PcieRpEnable[4]" = "1"
+ register "PcieRpClkReqSupport[4]" = "1"
+ register "PcieRpClkReqNumber[4]" = "3"
+ register "PcieRpClkSrcNumber[4]" = "3"
+ register "PcieRpAdvancedErrorReporting[4]" = "1"
+ register "PcieRpLtrEnable[4]" = "1"
+ end
+ device ref pcie_rp6 on
+ # Root port #6 x1 (WLAN)
+ register "PcieRpEnable[5]" = "1"
+ register "PcieRpClkReqSupport[5]" = "1"
+ register "PcieRpClkReqNumber[5]" = "2"
+ register "PcieRpClkSrcNumber[5]" = "2"
+ register "PcieRpAdvancedErrorReporting[5]" = "1"
+ register "PcieRpLtrEnable[5]" = "1"
+ end
+ device ref pcie_rp9 on
+ # Root port #9 x4 (NVMe)
+ register "PcieRpEnable[8]" = "1"
+ register "PcieRpClkReqSupport[8]" = "1"
+ register "PcieRpClkReqNumber[8]" = "5"
+ register "PcieRpClkSrcNumber[8]" = "5"
+ register "PcieRpAdvancedErrorReporting[8]" = "1"
+ register "PcieRpLtrEnable[8]" = "1"
+ end
+ device ref lpc_espi on
+ register "gen1_dec" = "0x000c0681"
+ register "gen2_dec" = "0x000c1641"
+ register "gen3_dec" = "0x00040069"
+ chip drivers/pc80/tpm
+ device pnp 0c31.0 on end
+ end
+ end
+ device ref p2sb off end
+ device ref pmc on
+ register "gpe0_dw0" = "GPP_C"
+ register "gpe0_dw1" = "GPP_D"
+ register "gpe0_dw2" = "GPP_E"
+ end
+ device ref hda on end
+ device ref smbus on end
+ device ref fast_spi on end
+ end
+end
diff --git a/src/mainboard/system76/kbl-u/dsdt.asl b/src/mainboard/system76/kbl-u/dsdt.asl
new file mode 100644
index 0000000000..f93c3f68a8
--- /dev/null
+++ b/src/mainboard/system76/kbl-u/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,
+ 0x20110725
+)
+{
+ #include <acpi/dsdt_top.asl>
+ #include <soc/intel/common/block/acpi/acpi/platform.asl>
+ #include <soc/intel/common/block/acpi/acpi/globalnvs.asl>
+ #include <cpu/intel/common/acpi/cpu.asl>
+
+ Device (\_SB.PCI0)
+ {
+ #include <soc/intel/skylake/acpi/systemagent.asl>
+ #include <soc/intel/skylake/acpi/pch.asl>
+ }
+
+ #include <southbridge/intel/common/acpi/sleepstates.asl>
+
+ #include "acpi/mainboard.asl"
+}
diff --git a/src/mainboard/system76/kbl-u/gpio.c b/src/mainboard/system76/kbl-u/gpio.c
new file mode 100644
index 0000000000..5c5662e1fc
--- /dev/null
+++ b/src/mainboard/system76/kbl-u/gpio.c
@@ -0,0 +1,191 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <mainboard/gpio.h>
+#include <soc/gpio.h>
+
+static const struct pad_config gpio_table[] = {
+ /* ------- GPIO Group GPD ------- */
+ PAD_NC(GPD0, NONE), // PM_BATLOW#
+ PAD_CFG_NF(GPD1, NONE, DEEP, NF1), // AC_PRESENT
+ _PAD_CFG_STRUCT(GPD2, 0x880500, 0x0), // LAN_WAKEUP#
+ PAD_CFG_NF(GPD3, UP_20K, DEEP, NF1), // PWR_BTN#
+ PAD_CFG_NF(GPD4, NONE, DEEP, NF1), // SUSB#_PCH
+ PAD_CFG_NF(GPD5, NONE, DEEP, NF1), // SUSC#_PCH
+ PAD_CFG_NF(GPD6, NONE, DEEP, NF1), // SLP_A#
+ PAD_NC(GPD7, NONE),
+ PAD_CFG_NF(GPD8, NONE, DEEP, NF1), // SUSCLK
+ PAD_CFG_NF(GPD9, NONE, DEEP, NF1), // PCH_SLP_WLAN#
+ PAD_NC(GPD10, NONE), // SLP_S5#
+ PAD_NC(GPD11, NONE), // PCH_GPD11
+
+ /* ------- GPIO Group A ------- */
+ PAD_CFG_NF(GPP_A0, NONE, DEEP, NF1), // SB_KBCRST#
+ PAD_CFG_NF(GPP_A1, NONE, DEEP, NF1), // LPC_AD0
+ PAD_CFG_NF(GPP_A2, NONE, DEEP, NF1), // LPC_AD1
+ PAD_CFG_NF(GPP_A3, NONE, DEEP, NF1), // LPC_AD2
+ PAD_CFG_NF(GPP_A4, NONE, DEEP, NF1), // LPC_AD3
+ PAD_CFG_NF(GPP_A5, NONE, DEEP, NF1), // LPC_FRAME#
+ PAD_CFG_NF(GPP_A6, NONE, DEEP, NF1), // SERIRQ
+ PAD_NC(GPP_A7, NONE), // G_INT1
+ PAD_CFG_NF(GPP_A8, NONE, DEEP, NF1), // PM_CLKRUN#
+ PAD_CFG_NF(GPP_A9, NONE, DEEP, NF1), // PCLK_KBC
+ PAD_CFG_NF(GPP_A10, NONE, DEEP, NF1), // PCLK_TPM
+ PAD_CFG_NF(GPP_A11, NONE, DEEP, NF1), // LAN_WAKEUP#
+ PAD_NC(GPP_A12, NONE), // PCH_GPP_A12
+ PAD_CFG_NF(GPP_A13, NONE, DEEP, NF1), // SUSWARN#
+ PAD_CFG_NF(GPP_A14, NONE, DEEP, NF1), // S4_STATE#
+ PAD_CFG_NF(GPP_A15, NONE, DEEP, NF1), // SUSACK#
+ PAD_NC(GPP_A16, NONE),
+ PAD_NC(GPP_A17, NONE),
+ PAD_CFG_GPO(GPP_A18, 1, DEEP), // TBTA_ACE_GPIO3
+ PAD_CFG_GPO(GPP_A19, 1, DEEP), // SATA_PWR_EN
+ PAD_CFG_GPO(GPP_A20, 0, DEEP), // TBTA_ACE_GPIO0
+ PAD_CFG_GPO(GPP_A21, 1, PLTRST), // TBT_FRC_PWR
+ PAD_CFG_GPO(GPP_A22, 0, PWROK), // PS8338B_SW
+ PAD_CFG_GPO(GPP_A23, 0, PWROK), // PS8338B_PCH
+
+ /* ------- GPIO Group B ------- */
+ PAD_CFG_NF(GPP_B0, NONE, DEEP, NF1), // CORE_VID0
+ PAD_CFG_NF(GPP_B1, NONE, DEEP, NF1), // CORE_VID1
+ PAD_NC(GPP_B2, NONE), // VRALERT#
+ PAD_NC(GPP_B3, NONE),
+ PAD_NC(GPP_B4, NONE),
+ PAD_NC(GPP_B5, NONE), // PCIECLKRQ0#
+ PAD_NC(GPP_B6, NONE), // PCIECLKRQ1#
+ PAD_CFG_NF(GPP_B7, NONE, DEEP, NF1), // WLAN_CLKREQ#
+ PAD_CFG_NF(GPP_B8, NONE, DEEP, NF1), // LAN_CLKREQ#
+ PAD_CFG_NF(GPP_B9, NONE, DEEP, NF1), // TBT_CLKREQ#
+ PAD_CFG_NF(GPP_B10, NONE, DEEP, NF1), // SSD_CLKREQ#
+ PAD_NC(GPP_B11, NONE),
+ PAD_NC(GPP_B12, NONE), // SLP_S0#
+ PAD_CFG_NF(GPP_B13, NONE, DEEP, NF1), // PLTRST#
+ PAD_CFG_NF(GPP_B14, NONE, DEEP, NF1), // PCH_SPKR
+ PAD_NC(GPP_B15, NONE), // PCH_GPP_B15
+ PAD_NC(GPP_B16, NONE), // PCH_GPP_B16
+ PAD_NC(GPP_B17, NONE), // PCH_GPP_B17
+ PAD_NC(GPP_B18, NONE), // GSPI0_BBS0 - No Reboot strap
+ PAD_NC(GPP_B19, NONE), // PCH_GPP_B19
+ PAD_NC(GPP_B20, NONE), // PCH_GPP_B20
+ PAD_NC(GPP_B21, NONE), // PCH_GPP_B21
+ PAD_NC(GPP_B22, NONE), // PCH_GPP_B22 - Boot BIOS strap
+ PAD_NC(GPP_B23, NONE), // PCH_GPP_B23
+
+ /* ------- GPIO Group C ------- */
+ PAD_CFG_NF(GPP_C0, NONE, DEEP, NF1), // SMB_CLK
+ PAD_CFG_NF(GPP_C1, NONE, DEEP, NF1), // SMB_DATA
+ PAD_NC(GPP_C2, NONE), // PCH_GPP_C2
+ PAD_NC(GPP_C3, NONE), // SML0CLK
+ PAD_NC(GPP_C4, NONE), // SML0DATA
+ PAD_NC(GPP_C5, NONE), // PCH_GPP_C5
+ PAD_NC(GPP_C6, NONE), // SML1CLK
+ PAD_NC(GPP_C7, NONE), // SML1DATA
+ PAD_NC(GPP_C8, NONE),
+ PAD_NC(GPP_C9, NONE),
+ PAD_NC(GPP_C10, NONE),
+ PAD_NC(GPP_C11, NONE),
+ PAD_NC(GPP_C12, NONE), // TBTA_ACE_GPIO2
+ _PAD_CFG_STRUCT(GPP_C13, 0x82880100, 0x0000), // TBCIO_PLUG_EVENT
+ PAD_NC(GPP_C14, NONE), // TBTA_MRESET
+ PAD_NC(GPP_C15, NONE), // TBTA_ACE_GPIO7
+ PAD_NC(GPP_C16, NONE), // T_SDA
+ PAD_NC(GPP_C17, NONE), // T_SCL
+ PAD_NC(GPP_C18, NONE),
+ _PAD_CFG_STRUCT(GPP_C19, 0x40880100, 0x0000), // SWI#
+ PAD_CFG_NF(GPP_C20, NONE, DEEP, NF1), // UART2_RXD
+ PAD_CFG_NF(GPP_C21, NONE, DEEP, NF1), // UART2_TXD
+ PAD_NC(GPP_C22, NONE), // UEART2_RTS_N
+ PAD_NC(GPP_C23, NONE), // UART2_CTS_N
+
+ /* ------- GPIO Group D ------- */
+ PAD_NC(GPP_D0, NONE),
+ PAD_NC(GPP_D1, NONE),
+ PAD_NC(GPP_D2, NONE),
+ PAD_NC(GPP_D3, NONE),
+ PAD_NC(GPP_D4, NONE), // PCH_GPP_D4
+ PAD_NC(GPP_D5, NONE),
+ PAD_NC(GPP_D6, NONE),
+ PAD_NC(GPP_D7, NONE),
+ PAD_CFG_GPO(GPP_D8, 1, DEEP), // SB_BLON
+ PAD_NC(GPP_D9, NONE), // T_INT
+ PAD_NC(GPP_D10, NONE), // EDP_DET
+ PAD_NC(GPP_D11, NONE),
+ PAD_NC(GPP_D12, NONE),
+ PAD_NC(GPP_D13, NONE),
+ PAD_NC(GPP_D14, NONE),
+ PAD_NC(GPP_D15, NONE),
+ PAD_NC(GPP_D16, NONE),
+ PAD_NC(GPP_D17, NONE),
+ PAD_NC(GPP_D18, NONE),
+ PAD_NC(GPP_D19, NONE),
+ PAD_NC(GPP_D20, NONE),
+ PAD_CFG_GPI(GPP_D21, NONE, DEEP), // TPM_DET#
+ PAD_NC(GPP_D22, NONE),
+ PAD_NC(GPP_D23, NONE),
+
+ /* ------- GPIO Group E ------- */
+ PAD_NC(GPP_E0, NONE), // PCH_GPP_E0
+ PAD_NC(GPP_E1, NONE), // SATA_ODD_PRSNT#
+ PAD_CFG_NF(GPP_E2, NONE, DEEP, NF1), // SATAGP2
+ PAD_NC(GPP_E3, NONE),
+ PAD_NC(GPP_E4, NONE), // DEVSLP0
+ PAD_NC(GPP_E5, NONE), // DEVSLP1
+ PAD_CFG_NF(GPP_E6, NONE, DEEP, NF1), // DEVSLP2
+ PAD_NC(GPP_E7, NONE),
+ PAD_CFG_NF(GPP_E8, NONE, DEEP, NF1), // PCH_SATA_LED#
+ PAD_NC(GPP_E9, NONE), // USB_OC#12
+ PAD_NC(GPP_E10, NONE), // USB_OC#34
+ PAD_NC(GPP_E11, NONE), // USB_OC#56
+ PAD_NC(GPP_E12, NONE), // USB_OC#78
+ PAD_CFG_NF(GPP_E13, NONE, DEEP, NF1), // MUX_HPD
+ PAD_CFG_NF(GPP_E14, NONE, DEEP, NF1), // HDMI_HPD
+ _PAD_CFG_STRUCT(GPP_E15, 0x42840100, 0x0), // SMI#
+ PAD_CFG_GPI_SCI_LOW(GPP_E16, NONE, DEEP, LEVEL), // SCI#
+ PAD_CFG_NF(GPP_E17, NONE, DEEP, NF1), // EDP_HPD
+ PAD_CFG_NF(GPP_E18, NONE, DEEP, NF1), // MDP_CTRLCLK
+ PAD_CFG_NF(GPP_E19, DN_20K, DEEP, NF1), // MDP_CTRLDATA
+ PAD_CFG_NF(GPP_E20, NONE, DEEP, NF1), // HDMI_CTRLCLK
+ PAD_CFG_NF(GPP_E21, DN_20K, DEEP, NF1), // HDMI_CTRLDATA
+ PAD_NC(GPP_E22, NONE),
+ PAD_NC(GPP_E23, NONE),
+
+ /* ------- GPIO Group F ------- */
+ PAD_NC(GPP_F0, NONE),
+ PAD_NC(GPP_F1, NONE),
+ PAD_NC(GPP_F2, NONE),
+ PAD_NC(GPP_F3, NONE),
+ PAD_NC(GPP_F4, NONE),
+ PAD_NC(GPP_F5, NONE),
+ PAD_NC(GPP_F6, NONE),
+ PAD_NC(GPP_F7, NONE),
+ PAD_NC(GPP_F8, NONE),
+ PAD_NC(GPP_F9, NONE),
+ PAD_NC(GPP_F10, NONE),
+ PAD_NC(GPP_F11, NONE),
+ PAD_NC(GPP_F12, NONE),
+ PAD_NC(GPP_F13, NONE),
+ PAD_NC(GPP_F14, NONE),
+ PAD_NC(GPP_F15, NONE),
+ PAD_NC(GPP_F16, NONE),
+ PAD_NC(GPP_F17, NONE),
+ PAD_NC(GPP_F18, NONE),
+ PAD_NC(GPP_F19, NONE),
+ PAD_NC(GPP_F20, NONE),
+ PAD_NC(GPP_F21, NONE),
+ PAD_NC(GPP_F22, NONE),
+ PAD_NC(GPP_F23, NONE), // LIGHT_KB_DET#
+
+ /* ------- GPIO Group G ------- */
+ PAD_NC(GPP_G0, NONE),
+ PAD_CFG_GPI(GPP_G1, NONE, DEEP), // TBT Detect
+ PAD_NC(GPP_G2, NONE),
+ PAD_NC(GPP_G3, NONE), // ASM1543_I_SEL0
+ PAD_NC(GPP_G4, NONE), // ASM1543_I_SEL1
+ PAD_NC(GPP_G5, NONE),
+ PAD_NC(GPP_G6, NONE),
+ PAD_NC(GPP_G7, NONE),
+};
+
+void mainboard_configure_gpios(void)
+{
+ gpio_configure_pads(gpio_table, ARRAY_SIZE(gpio_table));
+}
diff --git a/src/mainboard/system76/kbl-u/gpio_early.c b/src/mainboard/system76/kbl-u/gpio_early.c
new file mode 100644
index 0000000000..80f37c6553
--- /dev/null
+++ b/src/mainboard/system76/kbl-u/gpio_early.c
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <mainboard/gpio.h>
+#include <soc/gpio.h>
+
+static const struct pad_config early_gpio_table[] = {
+ PAD_CFG_NF(GPP_C20, NONE, DEEP, NF1), // UART2_RXD
+ PAD_CFG_NF(GPP_C21, NONE, DEEP, NF1), // UART2_TXD
+};
+
+void mainboard_configure_early_gpios(void)
+{
+ gpio_configure_pads(early_gpio_table, ARRAY_SIZE(early_gpio_table));
+}
diff --git a/src/mainboard/system76/kbl-u/include/mainboard/gpio.h b/src/mainboard/system76/kbl-u/include/mainboard/gpio.h
new file mode 100644
index 0000000000..c6393beebb
--- /dev/null
+++ b/src/mainboard/system76/kbl-u/include/mainboard/gpio.h
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef MAINBOARD_GPIO_H
+#define MAINBOARD_GPIO_H
+
+void mainboard_configure_early_gpios(void);
+void mainboard_configure_gpios(void);
+
+#endif
diff --git a/src/mainboard/system76/kbl-u/ramstage.c b/src/mainboard/system76/kbl-u/ramstage.c
new file mode 100644
index 0000000000..43ee54f50a
--- /dev/null
+++ b/src/mainboard/system76/kbl-u/ramstage.c
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <device/device.h>
+#include <mainboard/gpio.h>
+
+static void mainboard_init(void *chip_info)
+{
+ mainboard_configure_gpios();
+}
+
+struct chip_operations mainboard_ops = {
+ .init = mainboard_init,
+};
diff --git a/src/mainboard/system76/kbl-u/romstage.c b/src/mainboard/system76/kbl-u/romstage.c
new file mode 100644
index 0000000000..c55978e05f
--- /dev/null
+++ b/src/mainboard/system76/kbl-u/romstage.c
@@ -0,0 +1,38 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <soc/romstage.h>
+#include <spd_bin.h>
+#include <string.h>
+
+static void mainboard_fill_rcomp_res_data(void *rcomp_ptr)
+{
+ const u16 RcompResistor[3] = {121, 81, 100};
+ memcpy(rcomp_ptr, RcompResistor, sizeof(RcompResistor));
+}
+
+static void mainboard_fill_rcomp_strength_data(void *rcomp_strength_ptr)
+{
+ const u16 RcompTarget[5] = {100, 40, 20, 20, 26};
+ memcpy(rcomp_strength_ptr, RcompTarget, sizeof(RcompTarget));
+}
+
+void mainboard_memory_init_params(FSPM_UPD *mupd)
+{
+ FSP_M_CONFIG *mem_cfg = &mupd->FspmConfig;
+
+ struct spd_block blk = {
+ .addr_map = {0x50, 0x52},
+ };
+
+ get_spd_smbus(&blk);
+ dump_spd_info(&blk);
+
+ mainboard_fill_rcomp_res_data(&mem_cfg->RcompResistor);
+ mainboard_fill_rcomp_strength_data(&mem_cfg->RcompTarget);
+
+ mem_cfg->DqPinsInterleaved = TRUE;
+ mem_cfg->CaVrefConfig = 2;
+ mem_cfg->MemorySpdDataLen = blk.len;
+ mem_cfg->MemorySpdPtr00 = (uintptr_t)blk.spd_array[0];
+ mem_cfg->MemorySpdPtr10 = (uintptr_t)blk.spd_array[1];
+}
diff --git a/src/mainboard/system76/kbl-u/variants/galp3-b/data.vbt b/src/mainboard/system76/kbl-u/variants/galp3-b/data.vbt
new file mode 100644
index 0000000000..92bd9813dc
--- /dev/null
+++ b/src/mainboard/system76/kbl-u/variants/galp3-b/data.vbt
Binary files differ
diff --git a/src/mainboard/system76/kbl-u/variants/galp3-b/hda_verb.c b/src/mainboard/system76/kbl-u/variants/galp3-b/hda_verb.c
new file mode 100644
index 0000000000..a7c927f82a
--- /dev/null
+++ b/src/mainboard/system76/kbl-u/variants/galp3-b/hda_verb.c
@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <device/azalia_device.h>
+
+const u32 cim_verb_data[] = {
+ /* Realtek, ALC269VC */
+ 0x10ec0269, /* Vendor ID */
+ 0x15581414, /* Subsystem ID */
+ 11, /* Number of entries */
+ AZALIA_SUBVENDOR(0, 0x15581414),
+ AZALIA_PIN_CFG(0, 0x12, 0x90a60140),
+ AZALIA_PIN_CFG(0, 0x14, 0x90170120),
+ AZALIA_PIN_CFG(0, 0x15, 0x02211010),
+ AZALIA_PIN_CFG(0, 0x17, 0x40000000),
+ AZALIA_PIN_CFG(0, 0x18, 0x02a11030),
+ AZALIA_PIN_CFG(0, 0x19, 0x411111f0),
+ AZALIA_PIN_CFG(0, 0x1a, 0x411111f0),
+ AZALIA_PIN_CFG(0, 0x1b, 0x411111f0),
+ AZALIA_PIN_CFG(0, 0x1d, 0x40f4a205),
+ AZALIA_PIN_CFG(0, 0x1e, 0x411111f0),
+ /* Intel, KabylakeHDMI */
+ 0x8086280b, /* Vendor ID */
+ 0x80860101, /* Subsystem ID */
+ 4, /* Number of entries */
+ AZALIA_SUBVENDOR(2, 0x80860101),
+ AZALIA_PIN_CFG(2, 0x05, 0x18560010),
+ AZALIA_PIN_CFG(2, 0x06, 0x18560010),
+ AZALIA_PIN_CFG(2, 0x07, 0x18560010),
+};
+
+const u32 pc_beep_verbs[] = {};
+
+AZALIA_ARRAY_SIZES;
diff --git a/src/mainboard/system76/kbl-u/variants/galp3-b/overridetree.cb b/src/mainboard/system76/kbl-u/variants/galp3-b/overridetree.cb
new file mode 100644
index 0000000000..134fbec7a7
--- /dev/null
+++ b/src/mainboard/system76/kbl-u/variants/galp3-b/overridetree.cb
@@ -0,0 +1,5 @@
+chip soc/intel/skylake
+ device domain 0 on
+ subsystemid 0x1558 0x1413 inherit
+ end
+end