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authorStefan Agner <stefan.agner@toradex.com>2016-01-12 14:35:24 -0800
committerStefan Agner <stefan.agner@toradex.com>2016-01-12 14:42:57 -0800
commita5ace9cb719345f2033117fa68a2d1d084e9f452 (patch)
tree3d4c04bdace15499527fe5d86f3893bc7341d4eb /examples/imx7_colibri_m4/driver_examples/uart_imx/uart_interrupt/hardware_init.c
parent59ac3f70488fa56b00933efacacf0714db799cc6 (diff)
initial commit imx7_colibri_m4 examples
This adds initial examples for imx7_colibri_m4, currently just a copy of the imx7d_sdb_m4 examples.
Diffstat (limited to 'examples/imx7_colibri_m4/driver_examples/uart_imx/uart_interrupt/hardware_init.c')
-rw-r--r--examples/imx7_colibri_m4/driver_examples/uart_imx/uart_interrupt/hardware_init.c57
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diff --git a/examples/imx7_colibri_m4/driver_examples/uart_imx/uart_interrupt/hardware_init.c b/examples/imx7_colibri_m4/driver_examples/uart_imx/uart_interrupt/hardware_init.c
new file mode 100644
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+++ b/examples/imx7_colibri_m4/driver_examples/uart_imx/uart_interrupt/hardware_init.c
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2015, Freescale Semiconductor, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * o Redistributions of source code must retain the above copyright notice, this list
+ * of conditions and the following disclaimer.
+ *
+ * o 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.
+ *
+ * o Neither the name of Freescale Semiconductor, Inc. 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 BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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 "board.h"
+#include "pin_mux.h"
+
+void hardware_init(void)
+{
+ /* Board specific RDC settings */
+ BOARD_RdcInit();
+
+ /* In this example, we need to grasp board debug uart exclusively */
+ RDC_SetPdapAccess(RDC, BOARD_DEBUG_UART_RDC_PDAP, 3 << (BOARD_DOMAIN_ID * 2), false, false);
+
+ /* Board specific clock settings */
+ BOARD_ClockInit();
+
+ /* Select board debug clock derived from OSC clock(24M) */
+ CCM_UpdateRoot(CCM, BOARD_DEBUG_UART_CCM_ROOT, ccmRootmuxUartOsc24m, 0, 0);
+ /* Enable debug uart clock */
+ CCM_EnableRoot(CCM, BOARD_DEBUG_UART_CCM_ROOT);
+ CCM_ControlGate(CCM, BOARD_DEBUG_UART_CCM_CCGR, ccmClockNeededRunWait);
+
+ /* UART Pin setting */
+ configure_uart_pins(BOARD_DEBUG_UART_BASEADDR);
+}
+
+/*******************************************************************************
+ * EOF
+ ******************************************************************************/