diff options
| author | Arthur Heymans <arthur@aheymans.xyz> | 2020-11-12 21:09:56 +0100 |
|---|---|---|
| committer | Arthur Heymans <arthur@aheymans.xyz> | 2020-11-20 10:18:25 +0000 |
| commit | 054026cdb8dc4f6a2cebf63ba5f64be738f324ad (patch) | |
| tree | 76e59f5f8ead1bda54ceffcc78a16de4e781a096 /src/soc | |
| parent | a1f65bed10d41e41c684cd5e109b9883560e36f2 (diff) | |
soc/intel/apollolake: use P2SB function to generate DMAR IOAPIC
Change-Id: If088d5bf701310e54b14965145229627f3a50417
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47535
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Marc Jones <marc@marcjonesconsulting.com>
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/intel/apollolake/acpi.c | 12 |
1 files changed, 2 insertions, 10 deletions
diff --git a/src/soc/intel/apollolake/acpi.c b/src/soc/intel/apollolake/acpi.c index 8609c7c8e2..d0e7a73a3f 100644 --- a/src/soc/intel/apollolake/acpi.c +++ b/src/soc/intel/apollolake/acpi.c @@ -185,22 +185,14 @@ static unsigned long soc_fill_dmar(unsigned long current) /* DEFVTBAR has to be set and enabled. */ if (defvtbar && defvten) { tmp = current; - /* - * P2SB may already be hidden. There's no clear rule, when. - * It is needed to get bus, device and function for IOAPIC and - * HPET device which is stored in P2SB device. So unhide it to - * get the info and hide it again when done. - */ - p2sb_unhide(); - struct device *p2sb_dev = pcidev_path_on_root(PCH_DEVFN_P2SB); - uint16_t ibdf = pci_read_config16(p2sb_dev, PCH_P2SB_IBDF); + union p2sb_bdf ibdf = p2sb_get_ioapic_bdf(); union p2sb_bdf hbdf = p2sb_get_hpet_bdf(); p2sb_hide(); current += acpi_create_dmar_drhd(current, DRHD_INCLUDE_PCI_ALL, 0, defvtbar); current += acpi_create_dmar_ds_ioapic(current, - 2, ibdf >> 8, PCI_SLOT(ibdf), PCI_FUNC(ibdf)); + 2, ibdf.bus, ibdf.dev, ibdf.fn); current += acpi_create_dmar_ds_msi_hpet(current, 0, hbdf.bus, hbdf.dev, hbdf.fn); acpi_dmar_drhd_fixup(tmp, current); |