diff options
Diffstat (limited to 'src/soc/intel/tigerlake/systemagent.c')
| -rw-r--r-- | src/soc/intel/tigerlake/systemagent.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/soc/intel/tigerlake/systemagent.c b/src/soc/intel/tigerlake/systemagent.c index 9c8f64573d..152f8f90d9 100644 --- a/src/soc/intel/tigerlake/systemagent.c +++ b/src/soc/intel/tigerlake/systemagent.c @@ -1,7 +1,7 @@ /* * This file is part of the coreboot project. * - * Copyright (C) 2019 Intel Corp. + * Copyright (C) 2019-2020 Intel Corp. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -21,6 +21,7 @@ #include <device/device.h> #include <device/pci.h> +#include <device/pci_ops.h> #include <intelblocks/systemagent.h> #include <soc/iomap.h> #include <soc/systemagent.h> @@ -56,6 +57,13 @@ void soc_add_fixed_mmio_resources(struct device *dev, int *index) sa_add_fixed_mmio_resources(dev, index, soc_fixed_resources, ARRAY_SIZE(soc_fixed_resources)); + + /* Add Vt-d resources if VT-d is enabled */ + if ((pci_read_config32(dev, CAPID0_A) & VTD_DISABLE)) + return; + + sa_add_fixed_mmio_resources(dev, index, soc_vtd_resources, + ARRAY_SIZE(soc_vtd_resources)); } /* |