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soc/amd/common/block/acpi/ivrs: use IOMMU PCI register definitions 

Use IOMMU_CAP_BASE_[LO,HI] instead of magic values.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I7032d9f032a22649951ef1535f39b918eb8bd539
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76223
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
This commit is contained in:
Felix Held 2023-07-03 18:52:36 +02:00
parent e54e141d6c
commit c32df9aa16
1 changed files with 3 additions and 2 deletions
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5
src/soc/amd/common/block/acpi/ivrs.c
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@ -5,6 +5,7 @@
#include <amdblocks/cpu.h>
#include <amdblocks/data_fabric.h>
#include <amdblocks/ioapic.h>
#include <amdblocks/iommu.h>
#include <arch/ioapic.h>
#include <console/console.h>
#include <cpu/amd/cpuid.h>
@ -339,8 +340,8 @@ unsigned long acpi_fill_ivrs(acpi_ivrs_t *ivrs, unsigned long current)
/* BDF <bus>:00.2 */
ivhd->device_id = 0x02 | (nb_dev->bus->secondary << 8);
ivhd->capability_offset = pci_find_capability(iommu_dev, IOMMU_CAP_ID);
ivhd->iommu_base_low = pci_read_config32(iommu_dev, 0x44) & 0xffffc000;
ivhd->iommu_base_high = pci_read_config32(iommu_dev, 0x48);
ivhd->iommu_base_low = pci_read_config32(iommu_dev, IOMMU_CAP_BASE_LO) & 0xffffc000;
ivhd->iommu_base_high = pci_read_config32(iommu_dev, IOMMU_CAP_BASE_HI);
cap_offset_0 = pci_read_config32(iommu_dev, ivhd->capability_offset);
cap_offset_10 = pci_read_config32(iommu_dev,