[coreboot - Bug #658] asus p5g41c-m-lx pcie discovery of realtek 10ec:8168

Issue #658 has been updated by Walter Sonius.


Gabriel Turlea wrote in #note-10:
> Not sure how I can formally transform this into a proper port

For a start you can copy the whole `variants/p5g41t-m_lx` and rename the folder and add all the Kconfig(.name) options to your port by copy pasting the earlier `P5G41T_M_LX` variant as an example and also inside the variant folder replace the `gpio.c` with yours as far as I understand your `overridetree.cb` remained the same? Do note that Kconfig itself uses only `underscores _` and `CAPITALS` for its references, so don't get confused naming your variant which has a dash-!

Than you may add a `elif (CONFIG(BOARD_ASUS_P5G41C_M_LX)) {#bsel/gpio stuff}` to the `early_init.c` to make a extra condition for your specific port use the exact same name you called it in the `Kconfig` and copy paste the bsel/gpio changes you need there. You probably also need to add a similar condition at the end for your SPD map aswell since you have 4 DIMM slots vs the 2 DIMMS used in the earlier 2 variants.

If the original `BOARD_ASUS_P5QPL_AM` & `P5G41T_M_LX` variants still build with their original `make -jX BUILD_TIMELESS=1 CONFIG_INCLUDE_CONFIG_FILE=n` hash as before you started using all your edited code, and your own `BOARD_ASUS_P5G41C_M_LX` also builds with these new guarded conditions you may have a working 1st variant port :D?

After that you may do a gerrit commit see [coreboot docs tutorial part 2](https://doc.coreboot.org/tutorial/part2.html)?

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Bug #658: asus p5g41c-m-lx pcie discovery of realtek 10ec:8168
https://ticket.coreboot.org/issues/658#change-2367

* Author: Gabriel Turlea
* Status: New
* Priority: Normal
* Target version: none
* Start date: 2026-07-14
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I have tried to port coreboot to asus-p5g41c-m-lx by using the existing pg541t-m-lx variant. Everything works great except I cannot get the onboard lan realtek 10ec:8168 to be detected by coreboot. The card shows up and works once linux boots. Adding some register values in the overridetree.cb seems to disable the card even in linux. Please let me know what supporting info I should provide. 

Thank you

---Files--------------------------------
p5g41c_m-lx_cbmem.log (53.5 KB)


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