platform: msmplutonium: Add platform support for plutonium
Platform specific support for msmplutonium.
Change-Id: I9b860073e41c058aa2c9ec5fae779cc45a1f1a81
diff --git a/platform/msmplutonium/gpio.c b/platform/msmplutonium/gpio.c
new file mode 100644
index 0000000..28aa739
--- /dev/null
+++ b/platform/msmplutonium/gpio.c
@@ -0,0 +1,64 @@
+/* Copyright (c) 2013-2014, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ * * Neither the name of The Linux Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <debug.h>
+#include <reg.h>
+#include <platform/iomap.h>
+#include <platform/gpio.h>
+
+/* Remove the file after the gpio patch to move this to msm_shared gets merged. */
+void gpio_tlmm_config(uint32_t gpio, uint8_t func,
+ uint8_t dir, uint8_t pull,
+ uint8_t drvstr, uint32_t enable)
+{
+ uint32_t val = 0;
+ val |= pull;
+ val |= func << 2;
+ val |= drvstr << 6;
+ val |= enable << 9;
+ writel(val, (unsigned int *)GPIO_CONFIG_ADDR(gpio));
+ return;
+}
+
+void gpio_set(uint32_t gpio, uint32_t dir)
+{
+ writel(dir, (unsigned int *)GPIO_IN_OUT_ADDR(gpio));
+ return;
+}
+
+/* Configure gpio for blsp uart */
+void gpio_config_uart_dm(uint8_t id)
+{
+ /* configure rx gpio */
+ gpio_tlmm_config(5, 2, GPIO_INPUT, GPIO_NO_PULL,
+ GPIO_8MA, GPIO_DISABLE);
+
+ /* configure tx gpio */
+ gpio_tlmm_config(4, 2, GPIO_OUTPUT, GPIO_NO_PULL,
+ GPIO_8MA, GPIO_DISABLE);
+}