// ---------------------------------------------------------------------------- | |
// 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 | |
} | |