[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/bsp/lk/platform/stellaris/init.c b/src/bsp/lk/platform/stellaris/init.c
new file mode 100644
index 0000000..a7fe8581
--- /dev/null
+++ b/src/bsp/lk/platform/stellaris/init.c
@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2012 Ian McKellar
+ * Copyright (c) 2013 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 <dev/usb.h>
+#include <arch/arm/cm.h>
+
+#include "ti_driverlib.h"
+
+
+void stellaris_debug_early_init(void);
+void stellaris_debug_init(void);
+
+void stellaris_gpio_early_init(void);
+void stellaris_gpio_init(void);
+
+void stellaris_usbc_early_init(void);
+void stellaris_usbc_init(void);
+
+void platform_early_init(void)
+{
+ //
+ // Enable lazy stacking for interrupt handlers. This allows floating-point
+ // instructions to be used within interrupt handlers, but at the expense of
+ // extra stack usage.
+ //
+// FPULazyStackingEnable();
+
+ //
+ // Set the clocking to run directly from the crystal.
+ //
+ SysCtlClockSet(SYSCTL_SYSDIV_4 | SYSCTL_USE_PLL | SYSCTL_XTAL_16MHZ | SYSCTL_OSC_MAIN);
+
+ // start the generic systick timer
+ arm_cm_systick_init(SysCtlClockGet());
+
+ stellaris_gpio_early_init();
+
+ stellaris_debug_early_init();
+
+ stellaris_usbc_early_init();
+}
+
+void platform_init(void)
+{
+ stellaris_gpio_init();
+ stellaris_debug_init();
+ stellaris_usbc_init();
+
+ // print device information
+ printf("raw revision registers: 0x%lx 0x%lx\n", HWREG(SYSCTL_DID0), HWREG(SYSCTL_DID1));
+
+ printf("stellaris device class: ");
+ if (CLASS_IS_SANDSTORM) printf("sandstorm");
+ if (CLASS_IS_FURY) printf("fury");
+ if (CLASS_IS_DUSTDEVIL) printf("dustdevil");
+ if (CLASS_IS_TEMPEST) printf("tempst");
+ if (CLASS_IS_FIRESTORM) printf("firestorm");
+ if (CLASS_IS_BLIZZARD) printf("blizzard");
+ printf("\n");
+
+ printf("revision register: ");
+ uint rev = (HWREG(SYSCTL_DID0) & SYSCTL_DID0_MAJ_M) >> 8;
+ printf("%c", rev + 'A');
+ printf("%ld", HWREG(SYSCTL_DID0) & (SYSCTL_DID0_MIN_M));
+ printf("\n");
+
+}
+
+// vim: set ts=4 sw=4 noexpandtab: