/******************************************************************************* * (c) Copyright 2012-2013 Microsemi SoC Products Group. All rights reserved. * * SmartFusion2 CMSIS system initialization. * * SVN $Revision: 5280 $ * SVN $Date: 2013-03-22 20:51:50 +0000 (Fri, 22 Mar 2013) $ */ #ifndef SYSTEM_M2SXXX_H #define SYSTEM_M2SXXX_H #ifdef __cplusplus extern "C" { #endif /* Standard CMSIS global variables. */ extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */ /* SmartFusion2 specific clocks. */ extern uint32_t g_FrequencyPCLK0; /*!< Clock frequency of APB bus 0. */ extern uint32_t g_FrequencyPCLK1; /*!< Clock frequency of APB bus 1. */ extern uint32_t g_FrequencyPCLK2; /*!< Clock frequency of APB bus 2. */ extern uint32_t g_FrequencyFIC0; /*!< Clock frequecny of FPGA fabric interface controller 1. */ extern uint32_t g_FrequencyFIC1; /*!< Clock frequecny of FPGA fabric inteface controller 2. */ extern uint32_t g_FrequencyFIC64; /*!< Clock frequecny of 64-bit FPGA fabric interface controller. */ /***************************************************************************//** * The SystemInit() is a standard CMSIS function called during system startup. * It is meant to perform low level hardware setup such as configuring DDR and * SERDES controllers. */ void SystemInit(void); /***************************************************************************//** * The SystemCoreClockUpdate() is a standard CMSIS function which can be called * by the application in order to ensure that the SystemCoreClock global * variable contains the up to date Cortex-M3 core frequency. Calling this * function also updates the global variables containing the frequencies of the * APB busses connecting the peripherals. */ void SystemCoreClockUpdate(void); #ifdef __cplusplus } #endif #endif