[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/bsp/lk/platform/lpc15xx/init.c b/src/bsp/lk/platform/lpc15xx/init.c
new file mode 100644
index 0000000..31f212b
--- /dev/null
+++ b/src/bsp/lk/platform/lpc15xx/init.c
@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 2014 Travis Geiselbrecht
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files
+ * (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <err.h>
+#include <stdio.h>
+#include <debug.h>
+#include <platform.h>
+#include <platform/lpc.h>
+#include <arch/arm/cm.h>
+
+void lpc_debug_early_init(void);
+void lpc_debug_init(void);
+
+void lpc_gpio_early_init(void);
+void lpc_gpio_init(void);
+
+void lpc_usbc_early_init(void);
+void lpc_usbc_init(void);
+
+void platform_early_init(void)
+{
+ /* set up clocking for a board with an external oscillator */
+ Chip_SetupXtalClocking();
+
+ /* Set USB PLL input to main oscillator */
+ Chip_Clock_SetUSBPLLSource(SYSCTL_PLLCLKSRC_MAINOSC);
+ /* Setup USB PLL (FCLKIN = 12MHz) * 4 = 48MHz
+ MSEL = 3 (this is pre-decremented), PSEL = 1 (for P = 2)
+ FCLKOUT = FCLKIN * (MSEL + 1) = 12MHz * 4 = 48MHz
+ FCCO = FCLKOUT * 2 * P = 48MHz * 2 * 2 = 192MHz (within FCCO range) */
+ Chip_Clock_SetupUSBPLL(3, 1);
+
+ /* Powerup USB PLL */
+ Chip_SYSCTL_PowerUp(SYSCTL_POWERDOWN_USBPLL_PD);
+
+ /* Wait for PLL to lock */
+ while (!Chip_Clock_IsUSBPLLLocked()) {}
+
+ /* Set default system tick divder to 1 */
+ Chip_Clock_SetSysTickClockDiv(1);
+
+ /* start the generic systick driver */
+ arm_cm_systick_init(Chip_Clock_GetMainClockRate());
+
+ lpc_debug_early_init();
+}
+
+void platform_init(void)
+{
+ lpc_debug_init();
+}
+
+// vim: set ts=4 sw=4 expandtab: