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diff --git a/Documentation/mainboard/kontron/mal10.md b/Documentation/mainboard/kontron/mal10.md new file mode 100644 index 0000000000..b2eefc3df2 --- /dev/null +++ b/Documentation/mainboard/kontron/mal10.md @@ -0,0 +1,106 @@ +# 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 + +```eval_rst ++------------------+----------------------------------+ +| 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: + +```bash +make distclean +make defconfig KBUILD_DEFCONFIG=configs/config.kontron_mal10 +make +``` +## Payloads +- SeaBIOS +- Tianocore +- Linux as payload + +## Flashing coreboot + +The SPI flash can be accessed internally using [flashrom]. +The following command is used to flash BIOS region. + +```bash +$ 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. + +## Known issues + +- Works only with Tianocore "UEFIPayload" payload edk2-stable201903-1569-g3e63a91 + Booting with the "CorebootPayload" [crashes]. +- Tianocore outputs video through an external GPU only. + +## Untested + +- IGD/LVDS +- SDIO + +## Tested and working + +- Kontron CPLD/EC (Serial ports, I2C port) +- 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 + +[mAL10]: https://www.kontron.com/products/iot/iot-industry-4.0/iot-ready-boards-and-modules/com-express/com-express-mini/come-mal10-e2-.html +[W25Q128FV]: https://www.winbond.com/resource-files/w25q128fv%20rev.m%2005132016%20kms.pdf +[flashrom]: https://flashrom.org/Flashrom +[NCT7802Y]: https://www.nuvoton.com/products/cloud-computing/hardware-monitors/desktop-server-series/nct7802y/?__locale=en +[crashes]: https://pastebin.com/cpCfrPCL |