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Diffstat (limited to 'src/soc/nvidia/tegra/pinmux.c')
-rw-r--r--src/soc/nvidia/tegra/pinmux.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/src/soc/nvidia/tegra/pinmux.c b/src/soc/nvidia/tegra/pinmux.c
new file mode 100644
index 0000000000..6e4b3ff195
--- /dev/null
+++ b/src/soc/nvidia/tegra/pinmux.c
@@ -0,0 +1,35 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2013 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 <arch/io.h>
+#include <soc/addressmap.h>
+
+#include "pinmux.h"
+
+static uint32_t *pinmux_regs = (void *)TEGRA_APB_PINMUX_BASE;
+
+void pinmux_set_config(int pin_index, uint32_t config)
+{
+ write32(config, &pinmux_regs[pin_index]);
+}
+
+uint32_t pinmux_get_config(int pin_index)
+{
+ return read32(&pinmux_regs[pin_index]);
+}