[coreboot] RV: Error booting with TPM enabled.

Nico Huber nico.h at gmx.de
Fri Jun 29 17:28:52 CEST 2018


On 29.06.2018 16:13, Jorge Fernandez Monteagudo wrote:
> In 00730F01/northbridge.c I can see:
> [...]
> static struct device_operations pci_domain_ops = {
> [...]
> and in 00660F01/northbridge.c there is no acpi_name! The most related to the previous one is:
> [...]
> static struct device_operations northbridge_operations = 

sorry, I wrote `northbridge device` sometimes, what I really meant is
the `domain device`, hence you have to add it to `pci_domain_ops` just
like in the 00730F01 case.

> On monday I'll try to add the method to 00660F01 code!

Good luck!


> ________________________________
> De: Nico Huber <nico.h at gmx.de>
> Enviado: viernes, 29 de junio de 2018 15:47:09
> Para: Jorge Fernandez Monteagudo; coreboot at coreboot.org; Zaolin
> Asunto: Re: [coreboot] RV: Error booting with TPM enabled.
> On 29.06.2018 12:48, Jorge Fernandez Monteagudo wrote:
>> Ok, I think I've found the problem... If I force in 'src/drivers/pc80/tpm/tis.c'
>> the path value to "\\_SB_.PCI0.LIBR" it works!
>> Now, I'll try to guess from where the "\_SB.\_SB.LIBR" current value comes from...
>> but now it's working.
> This is expected if you still haven't implemented `.acpi_name` for
> your northbridge device. In case you haven't tried it yet: Just copy
> what `nb/amd/pi/00730F01/northbridge.c` does about `.acpi_name` to
> `nb/amd/pi/00660F01/northbridge.c`.
> Again, if the domain device doesn't implement `.acpi_name`, its parent
> device will be asked. And in this case the parent, the root device,
> always returns `\_SB`.
> Nico

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