Thunderbolt 3 Modified Firmware Custom SSDT Discussion

[CaseySJ]

...For me and this maybe different for someone else on a z370/90 board but when I connect the header to the board I get not functioning TB3. When I put the jump on 3-5 pin it seems to work.
...

If the motherboard has a THB_C header then its BIOS should also have a setting to enable/disable Thunderbolt and a setting to Force Power (e.g. GPIO3 Force Power). Both would have to be enabled.

 

[scottkendall]

If the motherboard has a THB_C header then its BIOS should also have a setting to enable/disable Thunderbolt and a setting to Force Power (e.g. GPIO3 Force Power). Both would have to be enabled.

What ever else the THB_C header does it causes my Alpine ridge card's to have undesirable behaviors so it is disconnected and I use a jumper on 3-5. When I turned the Thunderbolt off in the BIOS, I also did not experience desirable behaviors.

 

[NorthAmTransAm]

DSB2.RHUB.XHC2 will only power up if a USB-C device is connected during boot. This is, I believe, one of the issues that @maleorderbride is trying to resolve. Please see his post here:

[SUCCESS] Gigabyte Designare Z390 (Thunderbolt 3) + i7-9700K + AMD RX 580

@CaseySJ Ok, I got my head around the patching! If Asus is kind enough to email me the firmware for the cards (v18 and v16) then I now know what to try after looking at what Osy did in his/her versions against the Mac firmwares. In case you ever need to look through those firmwares I still have...

www.tonymacx86.com

Though mine won't power up even with a device, I'm hoping this is still the right path. Thanks for the link.

Drilled further down to here which makes a whole lot more since now. #13,400

 

[athedog11]

• SSDT-10-TbtOnPch IO SHOWS.aml has a number of problems. Please remove it for now.
• Then copy attached SSDT-TBOLT3-RP01.aml to the CLOVER/ACPI/patched folder.
• Confirm that SSDT-DTPG.aml is still present in CLOVER/ACPI/patched.
• Reboot.

I appreciate your help with this. With both of those SSDTs in place IO reg shows the partial path and no TB.

 

[NorthAmTransAm]

[SUCCESS] Gigabyte Designare Z390 (Thunderbolt 3) + i7-9700K + AMD RX 580

@AlexD This might be worth doing again in combination with @Elias64Fr’s SSDT. Will try this tonight.

www.tonymacx86.com

@CaseySJ

Looking at this post. I'd like to try changing 0x1578 to 0x15D3 for USPB as an experiment.

My options for doing this are:

• Device Property
• SSDT Edit
• Firmware Patch

Is that correct and do you have a preference?

I see, it's device-id! Trying to implement.

UPDATE: I was able to change the ID to 15D3 after studying other parts of the SSDT. It didn't help in anyway but I did learn how to change a device property in SSDT so thats pretty cool.

I also noticed that my BIOS isn't seeing the flash drive connected to EX3. That should tell me most of what I need to know I suppose.

 

[galisrule]

@scottkendall I would love to try out your Titan Ridge SSDT please if you don't mind sharing

 

[qthegaijin]

Added Apple Thunderbolt Docs to This Post

If anyone has more document links please post them and I will add to the post.

 

[NorthAmTransAm]

Added Apple Thunderbolt Docs to This Post

If anyone has more document links please post them and I will add to the post.

Thank you! Here's my repo for all of the pulled Apple TB firmware from Sierra to Catalina as well.

GitHub - northamtrans/MacOS-USBCUpdater: Thunderbolt Firmware from OS Installers 10.12.6 - 10.15.1

Thunderbolt Firmware from OS Installers 10.12.6 - 10.15.1 - northamtrans/MacOS-USBCUpdater

github.com

@scottkendall can you add all of this to the first post?

Also, the origins of most of this https://forums.macrumors.com/threads/testing-tb3-aic-with-mp-5-1.2143042/page-29

 

[scottkendall]

@scottkendall I would love to try out your Titan Ridge SSDT please if you don't mind sharing

I have placed the files on the first post. Keep in mind this SSDT is meant to be used in conjunction with a modified Firmware on the Titan ridge

 

[scottkendall]

Thank you! Here's my repo for all of the pulled Apple TB firmware from Sierra to Catalina as well.

I have been considering opening my 2018 Mac mini and copying the TB firmware off the chip. Would that be any different than what is in this repo?