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authorDaisuke Nojiri <dnojiri@chromium.org>2015-03-02 14:38:37 -0800
committerPatrick Georgi <pgeorgi@google.com>2015-04-22 08:40:12 +0200
commit99d39565da77056699ea011e82483092ec650153 (patch)
treeeaf8fc42202a1fe11034867fd9faea789565f494 /src/soc/broadcom/cygnus/soc.c
parentd5f551a82a5d6f5c54798094c00ad606ca9d6807 (diff)
google/purin: add DMA coherent region
BUG=none BRANCH=broadcom-firmware TEST=boot to depthcharge Change-Id: Id10437c12e219e07121395abd442d53b3b56c7be Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: f33e9218ca8df1d149761c09253c30837b607433 Original-Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org> Original-Reviewed-on: https://chrome-internal-review.googlesource.com/204757 Original-Reviewed-by: Julius Werner <jwerner@chromium.org> Original-Commit-Queue: Daisuke Nojiri <dnojiri@google.com> Original-Tested-by: Daisuke Nojiri <dnojiri@google.com> Original-Change-Id: I93def9c326cc8b4fea69078987bddf09d9f2a797 Original-Reviewed-on: https://chromium-review.googlesource.com/256417 Reviewed-on: http://review.coreboot.org/9854 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/soc/broadcom/cygnus/soc.c')
-rw-r--r--src/soc/broadcom/cygnus/soc.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/src/soc/broadcom/cygnus/soc.c b/src/soc/broadcom/cygnus/soc.c
new file mode 100644
index 0000000000..c9597f2b08
--- /dev/null
+++ b/src/soc/broadcom/cygnus/soc.c
@@ -0,0 +1,51 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2015 Google Inc.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <device/device.h>
+#include <soc/sdram.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <symbols.h>
+
+static void soc_init(device_t dev)
+{
+ ram_resource(dev, 0, (uintptr_t)_dram/KiB, sdram_size_mb()*(MiB/KiB));
+}
+
+static void soc_noop(device_t dev)
+{
+}
+
+static struct device_operations soc_ops = {
+ .read_resources = soc_noop,
+ .set_resources = soc_noop,
+ .enable_resources = soc_noop,
+ .init = soc_init,
+ .scan_bus = 0,
+};
+
+static void enable_cygnus_dev(device_t dev)
+{
+ dev->ops = &soc_ops;
+}
+
+struct chip_operations soc_broadcom_cygnus_ops = {
+ CHIP_NAME("SOC Broadcom Cygnus")
+ .enable_dev = enable_cygnus_dev,
+};