diff options
Diffstat (limited to 'src/soc/amd/picasso/root_complex.c')
-rw-r--r-- | src/soc/amd/picasso/root_complex.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/soc/amd/picasso/root_complex.c b/src/soc/amd/picasso/root_complex.c index cd10fdb762..bf36f6dd50 100644 --- a/src/soc/amd/picasso/root_complex.c +++ b/src/soc/amd/picasso/root_complex.c @@ -6,6 +6,7 @@ #include <amdblocks/data_fabric.h> #include <amdblocks/memmap.h> #include <amdblocks/ioapic.h> +#include <amdblocks/iomap.h> #include <arch/ioapic.h> #include <arch/vga.h> #include <assert.h> @@ -149,6 +150,9 @@ static void read_resources(struct device *dev) gnb_apic->size = 0x00001000; gnb_apic->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED; + /* Reserve fixed IOMMU MMIO region */ + mmio_range(dev, idx++, IOMMU_RESERVED_MMIO_BASE, IOMMU_RESERVED_MMIO_SIZE); + if (fsp_hob_iterator_init(&hob_iterator) != CB_SUCCESS) { printk(BIOS_ERR, "%s incomplete because no HOB list was found\n", __func__); return; |