| /******************************************************************************* | |
| * (c) Copyright 2009 Actel Corporation. All rights reserved. | |
| * | |
| * SmartFusion A2FxxxM3 CMSIS system initialization. | |
| * | |
| * SVN $Revision: 2064 $ | |
| * SVN $Date: 2010-01-27 15:05:58 +0000 (Wed, 27 Jan 2010) $ | |
| */ | |
| #ifndef __SYSTEM_A2FM3FXX_H__ | |
| #define __SYSTEM_A2FM3FXX_H__ | |
| #ifdef __cplusplus | |
| extern "C" { | |
| #endif | |
| /* Standard CMSIS global variables. */ | |
| extern uint32_t SystemFrequency; /*!< System Clock Frequency (Core Clock) */ | |
| extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */ | |
| /* SmartFusion 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_FrequencyACE; /*!< Clock frequency of Analog Compute Engine. */ | |
| extern uint32_t g_FrequencyFPGA; /*!< Clock frequecny of FPGA fabric */ | |
| /***************************************************************************//** | |
| * The SystemInit() is a standard CMSIS function called during system startup. | |
| * It is meant to perform low level hardware setup such as configuring PLLs. In | |
| * the case of SmartFusion these hardware setup operations are performed by the | |
| * chip boot which executed before the application started. Therefore this | |
| * function does not need to perform any hardware setup. | |
| */ | |
| 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 and the ACE frequency. | |
| */ | |
| void SystemCoreClockUpdate(void); | |
| #ifdef __cplusplus | |
| } | |
| #endif | |
| #endif |