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diff --git a/Documentation/mainboard/asus/f2a85-m.md b/Documentation/mainboard/asus/f2a85-m.md new file mode 100644 index 0000000000..dfde07ffc4 --- /dev/null +++ b/Documentation/mainboard/asus/f2a85-m.md @@ -0,0 +1,198 @@ +# ASUS F2A85-M + +This page describes how to run coreboot on the [ASUS F2A85-M]. + +## Variants +- ASUS F2A85-M - Working +- ASUS F2A85-M LE - Working +- ASUS F2A85-M PRO - Working +- ASUS F2A85-M2 - Working +- ASUS F2A85-M/CSM - Unsure if WIP. + +## Technology + +Both "Trinity" and "Richland" desktop processing units are working, +the CPU architecture in these CPUs/APUs is [Piledriver], +and their GPU is [TeraScale 3] (VLIW4-based). + +```eval_rst ++------------------+--------------------------------------------------+ +| F2A85-M | | ++------------------+--------------------------------------------------+ +| DDR voltage IC | Nuvoton NCT3933U (AUX SMBUS 0x15) | ++------------------+--------------------------------------------------+ +| Network | Realtek RTL8111F | ++------------------+--------------------------------------------------+ +| Northbridge | Integrated into CPU with IMC and GPU (APUs only) | ++------------------+--------------------------------------------------+ +| Southbridge | Hudson-D4 | ++------------------+--------------------------------------------------+ +| Sound IC | Realtek ALC887 | ++------------------+--------------------------------------------------+ +| Super I/O | ITE 8603E | ++------------------+--------------------------------------------------+ +| VRM controller | DIGI VRM ASP1106 (Rebranded RT8894A - SMBUS 0x20)| ++------------------+--------------------------------------------------+ +``` + +```eval_rst ++------------------+--------------------------------------------------+ +| F2A85-M LE | | ++------------------+--------------------------------------------------+ +| DDR voltage IC | Nuvoton NCT3933U (AUX SMBUS 0x15 - unconfirmed) | ++------------------+--------------------------------------------------+ +| Network | Realtek RTL8111F | ++------------------+--------------------------------------------------+ +| Northbridge | Integrated into CPU with IMC and GPU(APUs only) | ++------------------+--------------------------------------------------+ +| Southbridge | Hudson-D4 | ++------------------+--------------------------------------------------+ +| Sound IC | Realtek ALC887 | ++------------------+--------------------------------------------------+ +| Super I/O | ITE 8623E | ++------------------+--------------------------------------------------+ +| VRM controller | DIGI VRM ASP1106 (Rebranded RT8894A - SMBUS 0x20)| ++------------------+--------------------------------------------------+ +``` + +```eval_rst ++------------------+--------------------------------------------------+ +| F2A85-M PRO | | ++------------------+--------------------------------------------------+ +| DDR voltage IC | Nuvoton NCT3933U (?) | ++------------------+--------------------------------------------------+ +| Network | Realtek RTL8111F - Not working | ++------------------+--------------------------------------------------+ +| Northbridge | Integrated into CPU with IMC and GPU(APUs only) | ++------------------+--------------------------------------------------+ +| Southbridge | Hudson-D4 | ++------------------+--------------------------------------------------+ +| Sound IC | Realtek ALC887 | ++------------------+--------------------------------------------------+ +| Super I/O | Nuvoton NCT6779D | ++------------------+--------------------------------------------------+ +| VRM controller | DIGI VRM ASP1107 | ++------------------+--------------------------------------------------+ +``` + +## Flashing coreboot + +```eval_rst ++---------------------+------------+ +| Type | Value | ++=====================+============+ +| Socketed flash | yes | ++---------------------+------------+ +| Model | W25Q64F | ++---------------------+------------+ +| Size | 8 MiB | ++---------------------+------------+ +| Package | DIP-8 | ++---------------------+------------+ +| Write protection | no | ++---------------------+------------+ +| Dual BIOS feature | no | ++---------------------+------------+ +| Internal flashing | yes | ++---------------------+------------+ +``` + +### Internal programming + +The main SPI flash can be accessed using [flashrom]. +UEFI builds that allow flash chip access: +> v5016 is untested, but expected to work as well +> v5018 +> v5103 +> v5104 +> v5107 +> v5202 +> v6002 +> v6004 +> v6102 +> v6402 +> v6404 (requires downgrading to v6402 to flash coreboot) +> v6501 (requires downgrading to v6402 to flash coreboot) +> v6502 (requires downgrading to v6402 to flash coreboot) + +Build v6502, v6501 and v6404 do not allow access to the flash chip. +Fortunately it is possible to downgrade build v6502, v6501, v6404 to v6402, with EZFlash. +Downgrading is done by downloading build v6402 from ASUS' F2A85-M download page +and copying it to (the root directory of) a FAT32 formatted USB flash drive. +Enter the EFI setup, switch to advanced mode if necessary, +open the 'Tool' tab and select "ASUS EZ Flash 2 Utility". + +## Integrated graphics + +### Option 1: Retrieve the VGA optionrom from the vendor EFI binary by running: + + # dd if=/dev/mem of=vgabios.bin bs=1k count=64 skip=768 + +### Option 2: Extract from the vendor binary + +Download the BIOS from the Support section at [ASUS F2A85-M]. +Using MMTool Aptio (versions 4.5.0 and 5.0.0): +- Load image, click on 'Extract tab' +- Select the 'export path' and 'link present' options +- Choose option ROM '1002,9900' and click on 'Extract' + +This version is usable for all the GPUs. +> 1002,9901 Trinity (Radeon HD 7660D) +> 1002,9904 Trinity (Radeon HD 7560D) +> 1002,990c Richland (Radeon HD 8670D) +> 1002,990e Richland (Radeon HD 8570D) +> 1002,9991 Trinity (Radeon HD 7540D) +> 1002,9993 Trinity (Radeon HD 7480D) +> 1002,9996 Richland (Radeon HD 8470D) +> 1002,9998 Richland (Radeon HD 8370D) +> 1002,999d Richland (Radeon HD 8550D) + +## Known issues + +- buggy USB 3.0 controller (works fine as 2.0 port) +- reboot, poweroff, S3 suspend/resume (broken since 4.8.1) + +## Known issues (untested because of non-working ACPI sleep) + +- blink in suspend mode (GP43, program LDN7 F8=23 and blink with F9=2 for 1s blinks) +- fix immediate resume after suspend (perhaps PCIe STS needs to be cleared) +- fix resume with USB3.0 used (perhaps there is a bug in resume.c) + +## Untested + +- audio over HDMI +- IOMMU +- PS/2 mouse + +## TODOs + +- manage to use one ATOMBIOS for all the integrated GPUs + +## Working + +- ACPI +- CPU frequency scaling +- flashrom under coreboot +- Gigabit Ethernet +- Hardware monitor +- Integrated graphics +- KVM +- Onboard audio +- PCIe +- PS/2 keyboard +- SATA +- Serial port +- SuperIO based fan control +- USB (XHCI is buggy) + +## Extra resources + +- [Board manual] +- Flash chip datasheet [W25Q64FV] + +[ASUS F2A85-M]: https://www.asus.com/Motherboards/F2A85M/ +[Board manual]: https://dlcdnets.asus.com/pub/ASUS/mb/SocketFM2/F2A85-M/E8005_F2A85-M.pdf +[flashrom]: https://flashrom.org/Flashrom +[Piledriver]: https://en.wikipedia.org/wiki/Piledriver_%28microarchitecture%29#APU_lines +[TeraScale 3]: https://en.wikipedia.org/wiki/TeraScale_%28microarchitecture%29#TeraScale_3 +[W25Q64FV]: https://www.winbond.com/resource-files/w25q64fv%20revs%2007182017.pdf |