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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)  );

    // 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

}