1 files changed, 78 insertions, 0 deletions
diff --git a/os/hal/platforms/MSP430X/hal_lld.c b/os/hal/platforms/MSP430X/hal_lld.c
new file mode 100644
index 000000000..5cee3e972
--- /dev/null
+++ b/os/hal/platforms/MSP430X/hal_lld.c
@@ -0,0 +1,78 @@
+/*
+    ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
+                 2011,2012 Giovanni Di Sirio.
+
+    This file is part of ChibiOS/RT.
+
+    ChibiOS/RT is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    ChibiOS/RT is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file    MSP430/hal_lld.c
+ * @brief   MSP430 HAL subsystem low level driver source.
+ *
+ * @addtogroup HAL
+ * @{
+ */
+
+#include "ch.h"
+#include "hal.h"
+#include "F5XX_F6XX_CORE_LIB/HAL_PMM.h"
+#include "F5XX_F6XX_CORE_LIB/HAL_UCS.h"
+
+#define HZ_TO_KHZ(f_Hz) (f_Hz/1000)
+
+#define SELECT_PMMCOREV(f_Hz)  (f_Hz <=  8000000ul ? PMMCOREV_0 : \
+                               (f_Hz <= 12000000ul ? PMMCOREV_1 : \
+                               (f_Hz <= 20000000ul ? PMMCOREV_2 : PMMCOREV_3)))
+
+/*===========================================================================*/
+/* Driver exported variables.                                                */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local variables.                                                   */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions.                                                   */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver interrupt handlers.                                                */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported functions.                                                */
+/*===========================================================================*/
+
+/**
+ * @brief   Low level HAL driver initialization.
+ *
+ * @notapi
+ */
+void hal_lld_init(void) {
+  #if MSP430_USE_CLOCK == MSP430_CLOCK_SOURCE_XT2CLK
+  #error "XT2CLK is not implemented"
+  #elif MSP430_USE_CLOCK == MSP430_CLOCK_SOURCE_DCOCLK
+  SetVCore(SELECT_PMMCOREV(DCOCLK));        /* Set core voltage */
+  SELECT_FLLREF(SELREF__REFOCLK);           /* Set DCO FLL reference = REFO */
+  SELECT_ACLK(SELA__REFOCLK);               /* Set ACLK = REFO */
+  Init_FLL_Settle(HZ_TO_KHZ(DCOCLK),DCOCLK/LFXT1CLK);
+  #else
+  #error "unknown clock source specified"
+  #endif
+}
+
+/** @} */