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-rw-r--r--src/soc/intel/apollolake/systemagent.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/src/soc/intel/apollolake/systemagent.c b/src/soc/intel/apollolake/systemagent.c
index c8f1330e78..fd9108208c 100644
--- a/src/soc/intel/apollolake/systemagent.c
+++ b/src/soc/intel/apollolake/systemagent.c
@@ -4,6 +4,7 @@
* Copyright (C) 2015 Intel Corp.
* (Written by Andrey Petrov <andrey.petrov@intel.com> for Intel Corp.)
* (Written by Alexandru Gagniuc <alexandrux.gagniuc@intel.com> for Intel Corp.)
+ * Copyright (C) 2019 Siemens AG
*
* 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
@@ -19,6 +20,7 @@
#include <cpu/cpu.h>
#include <console/console.h>
#include <device/device.h>
+#include <device/pci_ops.h>
#include <fsp/util.h>
#include <intelblocks/systemagent.h>
#include <soc/iomap.h>
@@ -40,6 +42,24 @@ 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 VTd resources if VTd is enabled. These resources were
+ set up by the FSP-S call. */
+ if ((pci_read_config32(dev, CAPID0_A) & VTD_DISABLE))
+ return;
+
+ if (MCHBAR32(GFXVTBAR) & VTBAR_ENABLED) {
+ mmio_resource(dev, *index,
+ (MCHBAR64(GFXVTBAR) & VTBAR_MASK) / KiB,
+ VTBAR_SIZE / KiB);
+ (*index)++;
+ }
+ if (MCHBAR32(DEFVTBAR) & VTBAR_ENABLED) {
+ mmio_resource(dev, *index,
+ (MCHBAR64(DEFVTBAR) & VTBAR_MASK) / KiB,
+ VTBAR_SIZE / KiB);
+ (*index)++;
+ }
}
int soc_get_uncore_prmmr_base_and_mask(uint64_t *prmrr_base,