// ---------------------------------------------------------------------------- // ATMEL Microcontroller Software Support - ROUSSET - // ---------------------------------------------------------------------------- // DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE // DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, // OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, // EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // ---------------------------------------------------------------------------- // File Name : SAM7_FLASH.mac // Object : Generic Macro File for IAR // 1.0 17/Aug/05 FBr : Creation // ---------------------------------------------------------------------------- /********************************************************************* * * _InitRSTC() * * Function description * Initializes the RSTC (Reset controller). * This makes sense since the default is to not allow user resets, which makes it impossible to * apply a second RESET via J-Link */ _InitRSTC() { __writeMemory32(0xA5000001, 0xFFFFFD08,"Memory"); // Allow user reset } /********************************************************************* * * _InitPLL() * Function description * Initializes the PMC. * 1. Enable the Main Oscillator * 2. Configure PLL to 96MHz * 3. Switch Master Clock (MCK) on PLL/2 = 48MHz */ _InitPLL() { __message "Enable Main Oscillator"; __writeMemory32(0x00000601,0xFFFFFc20,"Memory"); // MOSC while( !(__readMemory32(0xFFFFFc68,"Memory") & 0x1) ); __message "Set PLL to 96MHz"; __writeMemory32(0x10191c05,0xFFFFFc2c,"Memory"); // LOCK while( !(__readMemory32(0xFFFFFc68,"Memory") & 0x4) ); __message "Set Master Clock to 48MHz"; __writeMemory32(0x00000004,0xFFFFFc30,"Memory"); // MCKRDY while( !(__readMemory32(0xFFFFFc68,"Memory") & 0x8) ); __writeMemory32(0x00000007,0xFFFFFc30,"Memory"); // MCKRDY while( !(__readMemory32(0xFFFFFc68,"Memory") & 0x8) ); // Set 1 WS for Flash accesses on each EFC __writeMemory32(0x00480100,0xFFFFFF60,"Memory"); __writeMemory32(0x00480100,0xFFFFFF70,"Memory"); } /********************************************************************* * * execUserReset() : JTAG set initially to Full Speed */ execUserReset() { __message "execUserReset()"; __hwReset(0); // Hardware Reset: CPU is automatically halted after the reset (JTAG is already configured to 32kHz) _InitPLL(); // Allow to debug at JTAG Full Speed _InitRSTC(); // Enable User Reset to allow execUserReset() execution }