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// ----------------------------------------------------------------------------
// 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) );
}
/*********************************************************************
*
* execUserReset() : JTAG set initially to Full Speed
*/
execUserReset() {
__message "execUserReset()";
__emulatorSpeed(30000); // Set JTAG speed to 30kHz to make a hardware reset
__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
__emulatorSpeed(0); // Set JTAG speed to full speed
}
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