aboutsummaryrefslogtreecommitdiff
path: root/src/soc/amd/common
diff options
context:
space:
mode:
authorArthur Heymans <arthur@aheymans.xyz>2023-06-19 10:48:13 +0200
committerFelix Held <felix-coreboot@felixheld.de>2023-06-20 12:16:06 +0000
commitbafe55c36fec131c4b2512ba908aa0fbeb3f5ae3 (patch)
tree740cdbcd47c514f32ee246e1fda25fd7bee832b1 /src/soc/amd/common
parent2eaa25a9d376ea7ebfc5befda8729956645e7b16 (diff)
soc/amd/common/iommu: Use preprocessor values for IOMMU base
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> Change-Id: I85f58565bf1f955f704e223d538d0b374bc6fbda Reviewed-on: https://review.coreboot.org/c/coreboot/+/75915 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com> Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Diffstat (limited to 'src/soc/amd/common')
-rw-r--r--src/soc/amd/common/block/iommu/iommu.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/soc/amd/common/block/iommu/iommu.c b/src/soc/amd/common/block/iommu/iommu.c
index 52861f2af7..ad1d774baf 100644
--- a/src/soc/amd/common/block/iommu/iommu.c
+++ b/src/soc/amd/common/block/iommu/iommu.c
@@ -4,6 +4,9 @@
#include <device/pci.h>
#include <lib.h>
+#define IOMMU_CAP_BASE_LO 0x44
+#define IOMMU_CAP_BASE_HI 0x48
+
static void iommu_read_resources(struct device *dev)
{
struct resource *res;
@@ -12,7 +15,7 @@ static void iommu_read_resources(struct device *dev)
pci_dev_read_resources(dev);
/* IOMMU MMIO registers */
- res = new_resource(dev, 0x44);
+ res = new_resource(dev, IOMMU_CAP_BASE_LO);
res->size = 512 * KiB;
res->align = log2(res->size);
res->gran = log2(res->size);