1 files changed, 93 insertions, 0 deletions
diff --git a/examples/imx7_colibri_m4/board.c b/examples/imx7_colibri_m4/board.c
new file mode 100644
index 0000000..3ac84e4
--- /dev/null
+++ b/examples/imx7_colibri_m4/board.c
@@ -0,0 +1,93 @@
+/*
+ * 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 <stdio.h>
+#include "board.h"
+#include "debug_console_imx.h"
+#include "ccm_imx7d.h"
+#include "rdc.h"
+#include "wdog_imx.h"
+#include "pin_mux.h"
+
+/* Initialize clock. */
+void BOARD_ClockInit(void)
+{
+    /* OSC/PLL is already initialized by Cortex-A7 (u-boot) */
+
+    /* Disable WDOG3 */
+    CCM_UpdateRoot(CCM, ccmRootWdog, ccmRootmuxWdogOsc24m, 0, 0);
+    CCM_EnableRoot(CCM, ccmRootWdog);
+    CCM_ControlGate(CCM, ccmCcgrGateWdog3, ccmClockNeededRun);
+    WDOG_DisablePowerdown(BOARD_WDOG_BASEADDR);
+    CCM_ControlGate(CCM, ccmCcgrGateWdog3, ccmClockNotNeeded);
+    CCM_DisableRoot(CCM, ccmRootWdog);
+
+    /* We need system PLL Div2 to run M4 core */
+    CCM_ControlGate(CCM, ccmPllGateSys, ccmClockNeededRun);
+    CCM_ControlGate(CCM, ccmPllGateSysDiv2, ccmClockNeededRun);
+
+    /* Enable clock gate for IP bridge and IO mux */
+    CCM_ControlGate(CCM, ccmCcgrGateIpmux1, ccmClockNeededRun);
+    CCM_ControlGate(CCM, ccmCcgrGateIpmux2, ccmClockNeededRun);
+    CCM_ControlGate(CCM, ccmCcgrGateIpmux3, ccmClockNeededRun);
+    CCM_ControlGate(CCM, ccmCcgrGateIomux, ccmClockNeededRun);
+    CCM_ControlGate(CCM, ccmCcgrGateIomuxLpsr, ccmClockNeededRun);
+
+    /* Enable clock gate for RDC */
+    CCM_ControlGate(CCM, ccmCcgrGateRdc, ccmClockNeededRun);
+}
+
+/* Initialize debug console. */
+void dbg_uart_init(void)
+{
+    /* Set debug uart for M4 core domain access only */
+    RDC_SetPdapAccess(RDC, BOARD_DEBUG_UART_RDC_PDAP, 3 << (BOARD_DOMAIN_ID * 2), false, false);
+
+    /* 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);
+
+    /* Config debug uart pins */
+    configure_uart_pins(BOARD_DEBUG_UART_BASEADDR);
+
+    DbgConsole_Init(BOARD_DEBUG_UART_BASEADDR, get_uart_clock_freq(BOARD_DEBUG_UART_BASEADDR), 115200);
+}
+
+void BOARD_RdcInit(void)
+{
+    /* Move M4 core to specific RDC domain */
+    RDC_SetDomainID(RDC, rdcMdaM4, BOARD_DOMAIN_ID, false);
+}
+
+/*******************************************************************************
+ * EOF
+ ******************************************************************************/