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diff --git a/Documentation/mainboard/asus/p8c_ws.jpg b/Documentation/mainboard/asus/p8c_ws.jpg Binary files differnew file mode 100644 index 0000000000..06bb8b8cb5 --- /dev/null +++ b/Documentation/mainboard/asus/p8c_ws.jpg diff --git a/Documentation/mainboard/asus/p8c_ws.md b/Documentation/mainboard/asus/p8c_ws.md new file mode 100644 index 0000000000..a9aa58974f --- /dev/null +++ b/Documentation/mainboard/asus/p8c_ws.md @@ -0,0 +1,94 @@ +# ASUS P8C WS + +This page describes how to run coreboot on the [ASUS P8H77-V]. + +## Flashing coreboot + +```eval_rst ++---------------------+----------------+ +| Type | Value | ++=====================+================+ +| Socketed flash | yes | ++---------------------+----------------+ +| Model | W25Q64FVA1Q | ++---------------------+----------------+ +| Size | 8 MiB | ++---------------------+----------------+ +| Package | DIP-8 | ++---------------------+----------------+ +| Write protection | no | ++---------------------+----------------+ +| Dual BIOS feature | no | ++---------------------+----------------+ +| Internal flashing | yes | ++---------------------+----------------+ +``` + +The flash IC is located beside the SATA ports (circled): + + +### How to flash + +Unlike ordinary desktop boards, the BIOS version 3202 of ASUS P8C WS does not +apply any write protection, so the main SPI flash can be accessed using +[flashrom], and the whole flash is writable. + +The following command may be used to flash coreboot. (To do so, linux kernel +should be started with `iomem=relaxed`) + +``` +# flashrom -p internal -w coreboot.rom +``` + +The flash chip is a socketed DIP-8 SPI flash, so it's also easy to remove and +flash externally. + +## Working +- Intel Xeon E3-1225 V2 with 4 M391B1G73BH0-YK0 UDIMMs, ECC confirmed active +- PS/2 keyboard with SeaBIOS 1.14.0 and Debian GNU/Linux with kernel 5.10.40 +- Both Onboard NIC +- S3 Suspend to RAM +- USB2 on rear and front panel connectors +- USB3 +- Integrated SATA +- CPU Temp sensors (tested PSensor on GNU/Linux) +- LPC TPM on TPM-header (tested tpm-tools with TPM 1.2 Infineon SLB9635TT12) +- Native raminit +- Integrated graphics with libgfxinit (both analog and digital output from DVI-I) +- Nvidia Quadro 600 in all PCIe-16x slots +- Compex WLM200NX (Qualcomm Atheros AR9220) in PCI slot +- Onboard IEEE1394 controller under PCI bus +- Debug output from serial port + +## Untested + +- EHCI debugging +- S/PDIF audio +- PS/2 mouse +- LPT port + +## Technology + +```eval_rst ++------------------+--------------------------------------------------+ +| Northbridge | :doc:`../../northbridge/intel/sandybridge/index` | ++------------------+--------------------------------------------------+ +| Southbridge | bd82x6x | ++------------------+--------------------------------------------------+ +| CPU | model_206ax | ++------------------+--------------------------------------------------+ +| Super I/O | Nuvoton NCT6776F | ++------------------+--------------------------------------------------+ +| EC | None | ++------------------+--------------------------------------------------+ +| Coprocessor | Intel Management Engine | ++------------------+--------------------------------------------------+ +``` + +## Extra resources + +- [Flash chip datasheet][W25Q64FVA1Q] + +[ASUS P8C WS]: https://www.asus.com/supportonly/p8c_ws/helpdesk_knowledge/ +[W25Q64FVA1Q]: https://www.winbond.com/resource-files/w25q64fv%20revs%2007182017.pdf +[flashrom]: https://flashrom.org/Flashrom |
