sam7_ram.mac

开源的国外AT91SAM7S64开发板

// ---------------------------------------------------------
//   ATMEL Microcontroller Software Support  -  ROUSSET  -
// ---------------------------------------------------------
// The software is delivered "AS IS" without warranty or 
// condition of any  kind, either express, implied or 
// statutory. This includes without limitation any warranty 
// or condition with respect to merchantability or fitness 
// for any particular purpose, or against the infringements of
// intellectual property rights of others.
// ---------------------------------------------------------
//  File: SAM7_RAM.mac
//
//  User setup file for CSPY debugger to simulate interrupt
//  driven Fibonacchi data input. 
//  1.1 16/Jun/04 JPP    : Creation
//  1.2 27/Aug/04 JPP    : PLL setting
//
//  $Revision: 1.1 $
//
// ---------------------------------------------------------

__var i;
__var pt;

execUserPreload()
{
//*  
     PllSetting();
//*  Set the RAM memory at 0x0020 0000 for code AT 0 flash area 
     CheckNoRemap();
//*  Get the Chip ID (AT91C_DBGU_C1R & AT91C_DBGU_C2R
    i=__readMemory32(0xFFFFF240,"Memory");
    __message " ---------------------------------------- Chip ID   0x",i:%X;  
    i=__readMemory32(0xFFFFF244,"Memory");
    __message " ---------------------------------------- Extention 0x",i:%X;  
    i=__readMemory32(0xFFFFFF6C,"Memory");
    __message " ---------------------------------------- Flash Version 0x",i:%X;  
//* Get the chip status

//* Init AIC
   AIC();
//*  Watchdog Disable
   Watchdog();
}
//-----------------------------------------------------------------------------
// PllSetting
//-------------------------------
// Set PLL
//-----------------------------------------------------------------------------
PllSetting()
{
// -1- Enabling the Main Oscillator:
//*#define AT91C_PMC_MOR   ((AT91_REG *) 	0xFFFFFC20) // (PMC) Main Oscillator Register
//*#define AT91C_PMC_PLLR  ((AT91_REG *) 	0xFFFFFC2C) // (PMC) PLL Register
//*#define AT91C_PMC_MCKR  ((AT91_REG *) 	0xFFFFFC30) // (PMC) Master Clock Register

//*pPMC->PMC_MOR = (( AT91C_CKGR_OSCOUNT & (0x06 <<8) |    //0x0000 0600
//                          AT91C_CKGR_MOSCEN ));          //0x0000 0001 
__writeMemory32(0x00000601,0xFFFFFC20,"Memory");

// -2- Wait
// -3- Setting PLL and divider:
// - div by 5 Fin = 3,6864 =(18,432 / 5)
// - Mul 25+1: Fout =	95,8464 =(3,6864 *26)
// for 96 MHz the erroe is 0.16%
// Field out NOT USED = 0
// PLLCOUNT pll startup time esrtimate at : 0.844 ms
// PLLCOUNT 28 = 0.000844 /(1/32768)
//       pPMC->PMC_PLLR = ((AT91C_CKGR_DIV & 0x05) |       //0x0000 0005
//                         (AT91C_CKGR_PLLCOUNT & (28<<8)) //0x0000 1C00
//                         (AT91C_CKGR_MUL & (25<<16)));   //0x0019 0000 
__writeMemory32(0x00191C05,0xFFFFFC2C,"Memory");
// -2- Wait
// -5- Selection of Master Clock and Processor Clock
// select the PLL clock divided by 2
//	    pPMC->PMC_MCKR = AT91C_PMC_CSS_PLL_CLK |     //0x0000 0003
//                           AT91C_PMC_PRES_CLK_2 ;      //0x0000 0004
__writeMemory32(0x00000007,0xFFFFFC30,"Memory");        

   __message "------------------------------- PLL  Enable ----------------------------------------";  
}

//-----------------------------------------------------------------------------
// Watchdog
//-------------------------------
// Normally, the Watchdog is enable at the reset for load it's preferable to
// Disable.
//-----------------------------------------------------------------------------
Watchdog()
{
//* Watchdog Disable
//      AT91C_BASE_WDTC->WDTC_WDMR= AT91C_SYSC_WDDIS;
   __writeMemory32(0x00008000,0xFFFFFD44,"Memory");
   __message "------------------------------- Watchdog Disable ----------------------------------------";  
}

CheckNoRemap()
{
//* Read the value at 0x0
    i=__readMemory32(0x00000000,"Memory");
    i=i+1;
    __writeMemory32(i,0x00,"Memory");
    pt=__readMemory32(0x00000000,"Memory");
    
 if (i == pt)  
 {
   __message "------------------------------- The Remap is done ----------------------------------------";  
   
 } else {  
   __message "------------------------------- The Remap is NOT -----------------------------------------";  
//*   Toggel RESET The remap
    __writeMemory32(0x00000001,0xFFFFFF00,"Memory");
 }

}

execUserSetup()
{
 ini();
     __message "-------------------------------Set PC ----------------------------------------";  
     __writeMemory32(0x00000000,0xB4,"Register");
}

//-----------------------------------------------------------------------------
// Reset the Interrupt Controller
//-------------------------------
// Normally, the code is executed only if a reset has been actually performed.
// So, the AIC initialization resumes at setting up the default vectors.
//-----------------------------------------------------------------------------
AIC()
{
// Mask All interrupt pAic->AIC_IDCR = 0xFFFFFFFF;
    __writeMemory32(0xFFFFFFFF,0xFFFFF124,"Memory");

    for (i=0;i < 8; i++)
    {
      // AT91C_BASE_AIC->AIC_EOICR
      pt =  __readMemory32(0xFFFFF130,"Memory");
    
    }
   __message "------------------------------- AIC INIT ---------------------------------------------";  
}

ini()
{
__writeMemory32(0x0,0x00,"Register");
__writeMemory32(0x0,0x04,"Register");
__writeMemory32(0x0,0x08,"Register");
__writeMemory32(0x0,0x0C,"Register");
__writeMemory32(0x0,0x10,"Register");
__writeMemory32(0x0,0x14,"Register");
__writeMemory32(0x0,0x18,"Register");
__writeMemory32(0x0,0x1C,"Register");
__writeMemory32(0x0,0x20,"Register");
__writeMemory32(0x0,0x24,"Register");
__writeMemory32(0x0,0x28,"Register");
__writeMemory32(0x0,0x2C,"Register");
__writeMemory32(0x0,0x30,"Register");
__writeMemory32(0x0,0x34,"Register");
__writeMemory32(0x0,0x38,"Register");

// Set CPSR
__writeMemory32(0x0D3,0x98,"Register");

}

RG()
{

i=__readMemory32(0x00,"Register");   __message "R00 0x",i:%X;  
i=__readMemory32(0x04,"Register");   __message "R01 0x",i:%X;  
i=__readMemory32(0x08,"Register");   __message "R02 0x",i:%X;  
i=__readMemory32(0x0C,"Register");   __message "R03 0x",i:%X;  
i=__readMemory32(0x10,"Register");   __message "R04 0x",i:%X;  
i=__readMemory32(0x14,"Register");   __message "R05 0x",i:%X;  
i=__readMemory32(0x18,"Register");   __message "R06 0x",i:%X;  
i=__readMemory32(0x1C,"Register");   __message "R07 0x",i:%X;  
i=__readMemory32(0x20,"Register");   __message "R08 0x",i:%X;  
i=__readMemory32(0x24,"Register");   __message "R09 0x",i:%X;  
i=__readMemory32(0x28,"Register");   __message "R10 0x",i:%X;  
i=__readMemory32(0x2C,"Register");   __message "R11 0x",i:%X;  
i=__readMemory32(0x30,"Register");   __message "R12 0x",i:%X;  
i=__readMemory32(0x34,"Register");   __message "R13 0x",i:%X;  
i=__readMemory32(0x38,"Register");   __message "R14 0x",i:%X;  
i=__readMemory32(0x3C,"Register");   __message "R13 SVC 0x",i:%X;  
i=__readMemory32(0x40,"Register");   __message "R14 SVC 0x",i:%X;  
i=__readMemory32(0x44,"Register");   __message "R13 ABT 0x",i:%X;  
i=__readMemory32(0x48,"Register");   __message "R14 ABT 0x",i:%X;  
i=__readMemory32(0x4C,"Register");   __message "R13 UND 0x",i:%X;  
i=__readMemory32(0x50,"Register");   __message "R14 UND 0x",i:%X;  
i=__readMemory32(0x54,"Register");   __message "R13 IRQ 0x",i:%X;  
i=__readMemory32(0x58,"Register");   __message "R14 IRQ 0x",i:%X;  
i=__readMemory32(0x5C,"Register");   __message "R08 FIQ 0x",i:%X;  
i=__readMemory32(0x60,"Register");   __message "R09 FIQ 0x",i:%X;  
i=__readMemory32(0x64,"Register");   __message "R10 FIQ 0x",i:%X;  
i=__readMemory32(0x68,"Register");   __message "R11 FIQ 0x",i:%X;  
i=__readMemory32(0x6C,"Register");   __message "R12 FIQ 0x",i:%X;  
i=__readMemory32(0x70,"Register");   __message "R13 FIQ 0x",i:%X;  
i=__readMemory32(0x74,"Register");   __message "R14 FIQ0x",i:%X; 
i=__readMemory32(0x98,"Register");   __message "CPSR     ",i:%X; 
i=__readMemory32(0x94,"Register");   __message "SPSR     ",i:%X; 
i=__readMemory32(0x9C,"Register");   __message "SPSR ABT ",i:%X; 
i=__readMemory32(0xA0,"Register");   __message "SPSR ABT ",i:%X; 
i=__readMemory32(0xA4,"Register");   __message "SPSR UND ",i:%X; 
i=__readMemory32(0xA8,"Register");   __message "SPSR IRQ ",i:%X; 
i=__readMemory32(0xAC,"Register");   __message "SPSR FIQ ",i:%X; 

i=__readMemory32(0xB4,"Register");   __message "PC 0x",i:%X;  

}