iram.ini

来自「在AT91sam7SE上」· INI 代码 · 共 86 行

/******************************************************************************/
/* RAM.INI: RAM Initialization File                                           */
/******************************************************************************/
// <<< Use Configuration Wizard in Context Menu >>>                           // 
/******************************************************************************/
/* This file is part of the uVision/ARM development tools.                    */
/* Copyright (c) 2005-2006 Keil Software. All rights reserved.                */
/* This software may only be used under the terms of a valid, current,        */
/* end user licence from KEIL for a compatible version of KEIL software       */
/* development tools. Nothing else gives you the right to use this software.  */
/******************************************************************************/


FUNC void Setup (void) {
// <o> Program Entry Point
  PC = 0x00200000;
}

_WDWORD(0xFFFFFD44, 0x00008000);     // WDT_WDMR: Disable Watchdog


Reset;
_sleep_(200);





/*===========================================================================================
	; Disable All Interrupt
	; AIC Base Address
	AT91C_BASE_AIC  EQU     0xFFFFF000
	0x124 Interrupt Disable Command Register(2) AIC_IDCR
	0x128 Interrupt Clear Command Register(2) AIC_ICCR
*/

_WDWORD(0xFFFFF000 + 0x124, 0xFFFFFFFF);
_WDWORD(0xFFFFF000 + 0x128, 0xFFFFFFFF);




/*===========================================================================================
	Setup Main Oscillator.
	PMC base address is 0xFFFFFC00.
	0x0020 Main Oscillator Register CKGR_MOR.
*/
_sleep_(200);
_WDWORD(0xFFFFFC00 + 0x0020, 0x00004001);		// CKGR_MOR: Enable Main Oscillator
_sleep_(200);									// Wait for stable Main Oscillator





/*===========================================================================================
	Setup Pll.
	PMC base address is 0xFFFFFC00.
	0x002C PLL Register CKGR_PLLR
	PMC_PLLR_Val    EQU     0x00191C05
*/
_WDWORD(0xFFFFFC00 + 0x002C, 0x10191C05);






/*===========================================================================================
	Select Master Clock and set prescale.
	PLL & 1/2

	0x0030 Master Clock Register PMC_MCKR

	PMC_MCKR_Val    EQU     0x00000007
*/
_WDWORD(0xFFFFFC30, 0x00000007);        // PMC_MCKR: Switch to Main Oscillator
_sleep_(200);


LOAD .\IRAM\FreqGen.axf INCREMENTAL      // Download

Setup();                             // Setup for Running

//g, main