Keith Hui has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/61539 )
Change subject: Documentation: Add Asus P8Z77-M ......................................................................
Documentation: Add Asus P8Z77-M
Change-Id: I01f990408c4552b69c04e849e7faaf9f51f24a51 Signed-off-by: Keith Hui buurin@gmail.com --- A Documentation/mainboard/asus/p8z77-m.md 1 file changed, 138 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/39/61539/1
diff --git a/Documentation/mainboard/asus/p8z77-m.md b/Documentation/mainboard/asus/p8z77-m.md new file mode 100644 index 0000000..0b00daf --- /dev/null +++ b/Documentation/mainboard/asus/p8z77-m.md @@ -0,0 +1,138 @@ +# ASUS P8Z77-M + +This page describes how to run coreboot on the [ASUS P8Z77-M]. + +## Flashing coreboot + +```eval_rst ++---------------------+----------------+ +| Type | Value | ++=====================+================+ +| Socketed flash | yes | ++---------------------+----------------+ +| Model | W25Q64FVA1Q | ++---------------------+----------------+ +| Size | 8 MiB | ++---------------------+----------------+ +| Package | DIP-8 | ++---------------------+----------------+ +| Write protection | yes | ++---------------------+----------------+ +| Dual BIOS feature | no | ++---------------------+----------------+ +| Internal flashing | yes | ++---------------------+----------------+ +``` + +The flash chip is located between the blue SATA ports. + +The main SPI flash cannot be written because Asus disables BIOSWE and +enables BLE/SMM_BWP flags in BIOS_CNTL for their latest bioses. +An external programmer is required. You must flash standalone, +flashing in-circuit doesn't work. The flash chip is socketed, so it's +easy to remove and reflash. Once coreboot is in place, flashrom +can be used for future updates. + +## Working + +- All USB2 ports (mouse/keyboard and pendrive) +- USB3 ports on rear (Booting with a Kingston DataTraveler G4 8GB loaded with SystemRescue 6.0.3) +- Gigabit Ethernet (RTL8111F) +- SATA3, SATA2 (tested on all ports, hot-swap not tested) + (Blue SATA2) (Blue SATA2) (White SATA3) + port 5 port 3 port 1 + port 6 port 4 port 2 + +- CPU Temp sensors and hardware monitor (some values don't make sense) + +- Native and MRC memory initialization + (please see [Native raminit compatibility] and [MRC memory compatibility]) + +- Integrated graphics with both libgfxinit and the Intel Video BIOS OpROM + (VGA/DVI-D/HDMI tested and working) +- 16x PCIe GPU in PCIe-16x/4x slots (tested using nVidia Quadro 600 under SystemRescue 6.0.3 + (Arch based)) +- Serial port +- PCI slot + Rockwell HSF 56k PCI modem, Sound Blaster Live! CT4780 (cards detected, not function tested) + Promise SATA150 TX2plus (R/W OK to connected IDE hard drive, OpRom loaded, cannot boot from + SeaBIOS) +- S3 suspend from Linux +- 2-channel analog audio (WAV playback by mplayer via back panel line out port) +- Windows 10 with libgfxinit high resolution framebuffer + +## Known issues + +- If you use MRC raminit, the NVRAM variable gfx_uma_size may be ignored as IGP's UMA could + be reconfigured by the blob. + +- If SeaBIOS is used for payload with libgfxinit, it must be brought in via coreboot's config. + Otherwise integrated graphics would fail with a black screen. + +- PCI POST card is not functional because the PCI bridge early init is not yet done. + +- The black PCIEX16_2 slot, although can physically fit an x16, only has physical contacts for + an x8, and is electrically an x4 only. + +## Untested + +- Wake-on-LAN +- USB3 on header +- TPM header +- HDMI and S/PDIF audio out + +## Not working + +- PS/2 keyboard or mouse +- EHCI debugging (Debug port is on the 5-pin side of USB2_910 header) +- 4 and 6 channel analog audio out: Rear left and right audio is a muted + copy of front left and right audio, and the other two channels are silent. + +## Native (and MRC) raminit compatibility + +- OCZ OCZ3G1600LVAM 2x2GB kit works at DDR3-1066 instead of DDR3-1600. + +- GSkill F3-1600C9D-16GRSL 2x8GB SODIMM kit on adapter boots, but highly unstable + with obvious pattern of bit errors during memtest86+ runs. + +- Samsung PC3-10600U 2x2GB kit works at full rated speed. + +- Kingston KTH9600B-4G 2x8GB kit works at full rated speed. + +## Extra onboard buttons + +The board has two onboard buttons, and each has a related LED nearby. +What controls the LEDs and what the buttons control are unknown. + +- BIOS_FLBK + OEM firmware uses this button to facilitate a simple update mechanism + via a USB stick plugged into the bottom USB port of the USB/LAN stack. + +- MemOK! + OEM firmware uses this button for memory tuning related to overclocking. + +## Technology + +```eval_rst ++------------------+--------------------------------------------------+ +| Northbridge | :doc:`../../northbridge/intel/sandybridge/index` | ++------------------+--------------------------------------------------+ +| Southbridge | bd82x6x | ++------------------+--------------------------------------------------+ +| CPU | model_206ax | ++------------------+--------------------------------------------------+ +| Super I/O | Nuvoton NCT6779D | ++------------------+--------------------------------------------------+ +| EC | None | ++------------------+--------------------------------------------------+ +| Coprocessor | Intel Management Engine | ++------------------+--------------------------------------------------+ +``` + +## Extra resources + +- [Flash chip datasheet][W25Q64FVA1Q] + +[ASUS P8Z77-M]: https://www.asus.com/Motherboards/P8Z77M/ +[W25Q64FVA1Q]: https://www.winbond.com/resource-files/w25q64fv%20revs%2007182017.pdf +[flashrom]: https://flashrom.org/Flashrom
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Keith Hui (Code Review)