fsp_broadwell_de: Move DMAR table generation to corresponding VT-d device

The DMAR table generation depends on the VT-d feature which is
implemented in its own PCI device located in PCI:00:05.0 for
Broadwell-DE. Add a new PCI driver for this device and move
DMAR table generation to this device driver.

Change-Id: I103257c73f5e745e996a441a2535b885270bc204
Signed-off-by: Werner Zeh <werner.zeh@siemens.com>
Reviewed-on: https://review.coreboot.org/28671
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>

1 files changed, 30 insertions, 0 deletions

diff --git a/src/soc/intel/fsp_broadwell_de/vtd.c b/src/soc/intel/fsp_broadwell_de/vtd.c
new file mode 100644
index 0000000000..ad4a056dd1
--- /dev/null
+++ b/src/soc/intel/fsp_broadwell_de/vtd.c
@@ -0,0 +1,30 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2018 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
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <soc/pci_devs.h>
+#include <soc/acpi.h>
+
+
+static struct device_operations vtd_ops = {
+	.write_acpi_tables        = vtd_write_acpi_tables,
+};
+
+static const struct pci_driver vtd_driver __pci_driver = {
+	.ops    = &vtd_ops,
+	.vendor = PCI_VENDOR_ID_INTEL,
+	.device = VTD_DEVID,
+};