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# Portwell PQ7-M107

This page describes how to run coreboot on the [Portwell PQ7-M107].

PQ7-M107 are assembled with different onboard memory modules:
	Rev 1.0	Onboard Samsung K4B8G1646D-MYKO memory
	Rev 1.1 and 1.2 Onboard Micron MT41K512M16HA-125A memory
	Rev 1.3	Onboard Kingston B5116ECMDXGGB memory

Use 'make menuconfig' to configure `onboard memory manufacturer` in Mainboard
menu.

## Required blobs

This board currently requires:
fsp blob	3rdparty/fsp/BraswellFspBinPkg/FspBin/BSWFSP.fd
Microcode	3rdparty/intel-microcode/intel-ucode/06-4c-04

## Flashing coreboot

### Internal programming

The main SPI flash can be accessed using [flashrom].

### External programming

The system has an internal flash chip which is a 8 MiB soldered SOIC-8 chip.
This chip is located on the top middle side of the board. It's located
between SoC and Q7 connector. Use clip (or solder wires) to program
the chip.
Specifically, it's a Winbond W25Q64FW (1.8V), whose datasheet can be found
[here][W25Q64FW].

## Known issues

- The PQ7 module contains Q7 connector only. Depending on the carrier
serial/video/pcie ports might be available.

## Untested

- hardware monitor
- SDIO
- Full Embedded Controller support

## Working (using carrier)

- USB
- Gigabit Ethernet
- integrated graphics
- flashrom
- external graphics
- PCIe
- eMMC
- SATA
- serial port
- SMBus
- HDA (codec on carrier)
- initialization with FSP MR2
- SeaBIOS payload (version rel-1.11.0-44-g7961917)
- Embedded Linux (Ubuntu 4.15+)

## Technology

```eval_rst
+------------------+--------------------------------------------------+
| SoC              | Intel Atom Processor N3710                       |
+------------------+--------------------------------------------------+
| CPU              | Intel Braswell (N3710)                           |
+------------------+--------------------------------------------------+
| Super I/O, EC    | ITE8256                                          |
+------------------+--------------------------------------------------+
| Coprocessor      | Intel Management Engine                          |
+------------------+--------------------------------------------------+
```

[Portwell PQ7-M107]: http://portwell.com/products/detail.php?CUSTCHAR1=PQ7-M107
[W25Q64FW]: https://www.winbond.com/resource-files/w25q64fw%20revn%2005182017%20sfdp.pdf
[flashrom]: https://flashrom.org/Flashrom
[Board manual]: www.portwell.com/pdf/embedded/PQ7-M107.pdf