Sean Rhodes 38c99b5659 payloads/tianocore: Rename TianoCore to edk2

coreboot uses TianoCore interchangeably with EDK II, and whilst the
meaning is generally clear, it's not the payload it uses. EDK II is
commonly written as edk2.

coreboot builds edk2 directly from the edk2 repository. Whilst it
can build some components from edk2-platforms, the target is still
edk2.

[1] tianocore.org - "Welcome to TianoCore, the community supporting"
[2] tianocore.org - "EDK II is a modern, feature-rich, cross-platform
firmware development environment for the UEFI and UEFI Platform
Initialization (PI) specifications."

Signed-off-by: Sean Rhodes <sean@starlabs.systems>
Change-Id: I4de125d92ae38ff8dfd0c4c06806c2d2921945ab
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65820
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

2022-08-13 16:35:18 +00:00

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Kontron mAL10 Computer-on-Modules platform

The Kontron mAL10 COMe is a credit card sized Computer-on-Modules platform based on the Intel Atom E3900 Series, Pentium and Celeron processors.

Technology

+------------------+----------------------------------+
| COMe Type        | mini pin-out type 10             |
+------------------+----------------------------------+
| SoC              | Intel Atom x5-E3940 (4 core)     |
+------------------+----------------------------------+
| GPU              | Intel HD Graphics 500            |
+------------------+----------------------------------+
| Coprocessor      | Intel TXE 3.0                    |
+------------------+----------------------------------+
| RAM              | 8GB DDR3L                        |
+------------------+----------------------------------+
| eMMC Flash       | 32GB eMMC pSLC                   |
+------------------+----------------------------------+
| USB3             | x2                               |
+------------------+----------------------------------+
| USB2             | x6                               |
+------------------+----------------------------------+
| SATA             | x2                               |
+------------------+----------------------------------+
| LAN              | Intel I210IT, I211AT             |
+------------------+----------------------------------+
| Super IO/EC      | Kontron CPLD/EC                  |
+------------------+----------------------------------+
| HWM              | NCT7802                          |
+------------------+----------------------------------+

Building coreboot

The following commands will build a working image:

make distclean
make defconfig KBUILD_DEFCONFIG=configs/config.kontron_mal10
make

Payloads

SeaBIOS
edk2
Linux as payload

Flashing coreboot

The SPI flash can be accessed internally using flashrom. The following command is used to flash BIOS region.

$ flashrom -p internal --ifd -i bios -w coreboot.rom --noverify-all

Hardware Monitor

The Nuvoton NCT7802Y is a hardware monitoring IC, capable of monitor critical system parameters including power supply voltages, fan speeds, and temperatures. The remote inputs can be connected to CPU/GPU thermal diode or any thermal diode sensors and thermistor.

6 temperature sensors;
5 voltage sensors;
3 fan speed sensors;
4 sets of temperature setting points.

PECI is not supported by Apollo Lake Pentium/Celeron/Atom processors and the CPU temperature value is taken from a thermal resistor (NTC) that is placed very close to the CPU.

Untested

IGD/LVDS
SDIO

Tested and working

Kontron CPLD/EC (Serial ports, I2C port, GPIOs)
NCT7802 [HWM](#Hardware Monitor)
USB2/3
Gigabit Ethernet ports
eMMC
SATA
PCIe ports
IGD/DP

TODO

Onboard audio (codec IDT 92HD73C1X5, currently disabled)
S3 suspend/resume

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