mb/system76/adl: Add Lemur Pro 11 as a variant

The Lemur Pro 11 (lemp11) is an Alder Lake-U board.

Tested with a custom TianoCore UefiPayloadPkg.

Working:

- PS/2 keyboard, touchpad
- DIMM slot (with NMSO480E82-3200EA00)
- M.2 NVMe SSD (with MZVL2500HCJQ)
- M.2 SATA SSD (with WDS100T2B0B)
- All USB ports
- SD card reader
- Webcam
- WiFi/Bluetooth
- Integrated graphics using Intel GOP driver
- HDMI output
- DisplayPort output over USB-C
- Internal microphone
- Internal speakers
- Combined headset + mic 3.5mm audio
- S0ix suspend/resume
- Booting Pop!_OS Linux 22.04 with kernel 6.1.11
- Internal flashing with flashrom v1.2-1203-gf4ddd3234330

Not working:

- On-board RAM: Requires CB:65567
- Detection of devices in TBT slot on boot

Change-Id: Ic930df1ebacc8c7ef14dbb6c67a97eddb918b365
Signed-off-by: Tim Crawford <tcrawford@system76.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65384
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Jeremy Soller <jeremy@system76.com>

2 files changed, 63 insertions, 0 deletions

diff --git a/Documentation/mainboard/index.md b/Documentation/mainboard/index.md
index a1cd9f57c1..342a1f1131 100644
--- a/Documentation/mainboard/index.md
+++ b/Documentation/mainboard/index.md
@@ -211,6 +211,7 @@ The boards in this section are not real mainboards, but emulators.
 - [Gazelle 16](system76/gaze16.md)
 - [Lemur Pro 9](system76/lemp9.md)
 - [Lemur Pro 10](system76/lemp10.md)
+- [Lemur Pro 11](system76/lemp11.md)
 - [Oryx Pro 5](system76/oryp5.md)
 - [Oryx Pro 6](system76/oryp6.md)
 - [Oryx Pro 7](system76/oryp7.md)
diff --git a/Documentation/mainboard/system76/lemp11.md b/Documentation/mainboard/system76/lemp11.md
new file mode 100644
index 0000000000..f05d63a197
--- /dev/null
+++ b/Documentation/mainboard/system76/lemp11.md
@@ -0,0 +1,62 @@
+# System76 Lemur Pro 11 (lemp11)
+
+## Specs
+
+- CPU
+  - Intel Core i5-1235U
+  - Intel Core i7-1255U
+- EC
+  - ITE IT5570E running [System76 EC](https://github.com/system76/ec)
+- Graphics
+  - Intel Iris Xe Graphics
+  - eDP 14.0" 1920x1080@60Hz LCD
+  - 1x HDMI 2.1
+  - 1x DisplayPort 1.4 over USB-C
+- Memory
+  - Channel 0: 8-GB on-board DDR4 (Samsung K4AAG165WA-BCWE)
+  - Channel 1: 8-GB/16-GB/32-GB DDR4 SO-DIMM @ 3200 MHz
+- Networking
+  - M.2 NVMe/CNVi WiFi/Bluetooth (Intel Wi-Fi 6 AX200/201)
+- Power
+  - 65W (19V, 3.42A) AC barrel adapter (AcBel ADA012)
+  - USB-C charging, compatible with 65W+ chargers
+  - 73Wh 4-cell Lithium-ion battery (L140BAT-4)
+- Sound
+  - Realtek ALC256 codec
+  - Internal speakers and microphone
+  - Combined 3.5 mm headphone/microphone jack
+  - HDMI, USB-C DisplayPort audio
+- Storage
+  - M.2 PCIe NVMe Gen 4 SSD
+  - M.2 PCIe NVMe Gen 3 or SATA 3 SSD
+  - MicroSD card reader (RTS5227S)
+- USB
+  - 1x USB Type-C with Thunderbolt 4
+  - 1x USB 3.2 (Gen 2) Type-A
+  - 1x USB 3.2 (Gen 1) Type-A
+- Dimensions
+    - 1.65cm x 32.2cm x 21.68cm, 1.15kg
+
+## Flashing coreboot
+
+```eval_rst
++---------------------+---------------------+
+| Type                | Value               |
++=====================+=====================+
+| Socketed flash      | no                  |
++---------------------+---------------------+
+| Vendor              | Macronix            |
++---------------------+---------------------+
+| Model               | MX25L25673G         |
++---------------------+---------------------+
+| Size                | 32 MiB              |
++---------------------+---------------------+
+| Package             | WSON-8              |
++---------------------+---------------------+
+| Internal flashing   | yes                 |
++---------------------+---------------------+
+| External flashing   | yes                 |
++---------------------+---------------------+
+```
+
+The flash chip (U41) is left of the DIMM slot.