sleep.c

samsung 最新芯片2450 的测试程序.

	printf("Fill SDRAM for self-refresh test.\n");
	for(i=_NONCACHE_STARTADDRESS;i<(_NONCACHE_STARTADDRESS+0x400000);i+=4)
		*((U32 *)i)=i^0x55555555;
	printf("Filling SDRAM is completed.\n");

	*((volatile U32 *)0x33e00000)=0x0;  //for Initialize the counter in Check_SleepWakeDN_100Hz(). 
}


//===========================================================================



//===========================================================================
void ConfigSleepGPIO(void)
{

	// USB2.0 and PHY power
	rUSB_PHYPWR |= (0xf<<0);
	rPWRCFG &= ~(1<<4);
	#ifdef		__CHK2443
	rUSB_CLKCON &= ~(1<<31);		
	#else
	#endif
	
	
///////////////////////////////////////////////////////////////////////////////////////////	
	// VDD_OP1 IO
	// GPF[7:0], GPG[7:0], GPE[15:14], GPE[4:0]

	
//GPF
	rGPFCON &=~(0xffff<<0);
	rGPFCON |= ((0x1<<14)|(0x1<<12)|(0x1<<10)|(0x1<<8)|(0x0<<6)|(0x0<<4)|(0x0<<2)|(0x2<<0));
#ifdef		__CHK2443	
	//rEXTINT0 = (rdEXTINT0 & ~((1<<31) | (1<<27) | (1<<23) | (1<<19) | (1<<15) | (1<<11) | (1<<7) | (1<<3) ));
	//rEXTINT0 = (rdEXTINT0  | ((1<<31) | (1<<27) | (1<<23) | (1<<19) | (0<<15) | (1<<11) | (1<<7) | (1<<3) )); //rEXTINT0[11] = PD_dis(Because of VBUS_DET)
#else	           
	rGPFUDP &=~(0xffff<<0);
	rGPFUDP |= ((0x2<<14)|(0x2<<12)|(0x2<<10)|(0x2<<8)|(0x1<<6)|(0x1<<4)|(0x2<<2)|(0x1<<0));
#endif
	rGPFDAT &=~ (0xff<<0);
	rGPFDAT |= ((0x0<<7)|(0x0<<6)|(0x0<<5)|(0x0<<4)|(0x0<<3)|(0x0<<2)|(0x0<<1)|(0x0<<0));
	
	//GPG
	rGPGCON &=~(0xffff<<0);
	rGPGCON |= ((0x0<<14)|(0x0<<12)|(0x0<<10)|(0x0<<8)|(0x2<<6)|(0x0<<4)|(0x0<<2)|(0x0<<0));
	           
	rGPGUDP &=~(0xffff<<0);
#ifdef		__CHK2443	
	//rEXTINT1 = (rdEXTINT1 | (0<<31) | (0<<27) | (0<<23) | (0<<19) | (1<<15) | (0<<11) | (0<<7)| (0<<0) );	
#else
	rGPGUDP |= ((0x2<<14)|(0x2<<12)|(0x1<<10)|(0x1<<8)|(0x1<<6)|(0x1<<4)|(0x1<<2)|(0x1<<0));
#endif
	
	rGPGDAT &=~ (0xff<<0);
	rGPGDAT |= ((0x1<<7)|(0x0<<6)|(0x1<<5)|(0x1<<4)|(0x0<<3)|(0x1<<2)|(0x1<<1)|(0x1<<0));
	
	//GPA
#ifdef		__CHK2443
	//rGPACDH = (rdGPACDH | (1<<16) | (1<<5));	//GPACDH[16] is exclusive use of nRSTOUT and '1' is PRESET
#else
	rGPACON &=~(0x1<<21);
	rGPACON |= ((0x0<<21));//Set GPA21 as Output(default : nRSTOUT)
	
	rGPADAT &=~ (0x7<<21);//Clear GPA21~23 
	rGPADAT |= ((0x1<<21));//Set GPA21(DAT) as '1'
#endif

	
	// DP0 / DN0
	rMISCCR |= (1<<12); //Set USB port as suspend mode	

	
///////////////////////////////////////////////////////////////////////////////////////////	
	// VDD_OP2 IO
	// GPB[10:0], GPH[12:0], GPE[15:14], GPE[4:0]

	
	//GPB
	rGPBCON &=~(0x3fffff<<0);
#ifdef		__CHK2443
	rGPBCON |= ((0x0<<20)|(0x0<<18)|(0x0<<16)|(0x0<<14)|(0x0<<12)|(0x0<<10)|(0x0<<8)|(0x0<<6)|(0x0<<4)|(0x0<<2)|(0x3<<0));
#else
	rGPBCON |= ((0x0<<20)|(0x0<<18)|(0x0<<16)|(0x0<<14)|(0x0<<12)|(0x0<<10)|(0x0<<8)|(0x1<<6)|(0x1<<4)|(0x0<<2)|(0x1<<0));
#endif
	
	rGPBUDP = (rGPBUDP &=~(0x3fffff<<0));
#ifdef		__CHK2443											
	rGPBUDP |= ((0x3<<20)|(0x2<<18)|(0x2<<16)|(0x2<<14)|(0x2<<12)|(0x2<<10)|(0x3<<8)|(0x3<<6)|(0x3<<4)|(0x0<<2)|(0x3<<0));
#else
	rGPBUDP |= ((0x1<<20)|(0x1<<18)|(0x1<<16)|(0x1<<14)|(0x1<<12)|(0x1<<10)|(0x0<<8)|(0x2<<6)|(0x2<<4)|(0x1<<2)|(0x2<<0));          
#endif
	
	
	//GPE
	rGPECON &=~((0xf<<28)|(0x3ff<<0));	
#ifdef		__CHK2443
	rGPECON |= ((0x0<<30)|(0x0<<28)|(0x0<<8)|(0x0<<6)|(0x0<<4)|(0x0<<2)|(0x0<<0));
#else	
	rGPECON |= ((0x0<<30)|(0x0<<28)|(0x1<<8)|(0x0<<6)|(0x1<<4)|(0x0<<2)|(0x0<<0));
#endif
	
	rGPEUDP &=~((0xf<<28)|(0x3ff<<0));
#ifdef		__CHK2443
	rGPEUDP |= ((0x0<<30)|(0x0<<28)|(0x0<<8)|(0x3<<6)|(0x0<<4)|(0x0<<2)|(0x0<<0));                
#else
	rGPEUDP |= ((0x2<<30)|(0x2<<28)|(0x2<<8)|(0x1<<6)|(0x2<<4)|(0x1<<2)|(0x1<<0));          
#endif
	
	rGPEDAT &=~ (0xffff<<0);
	rGPEDAT |= ((0x1<<15)|(0x1<<14)|(0x1<<4)|(0x1<<3)|(0x1<<2)|(0x1<<1)|(0x1<<0));
#ifdef		__CHK2443
#else
	rGPEDAT = 0;
	printf("rgPEcon=%08x, rgPEUDP=%08x, rGPeDAT=%08x\n", rGPECON,rGPEUDP,rGPEDAT);
#endif
	
	
	//GPG
	rGPGCON &=~(0xffff<<16);
	rGPGCON |= ((0x0<<30)|(0x0<<28)|(0x0<<26)|(0x0<<24)|(0x0<<22)|(0x0<<20)|(0x0<<18)|(0x0<<16));
	
	rGPGUDP &=~(0xffff<<16);
#ifdef		__CHK2443	
	rGPGUDP |= ((0x2<<30)|(0x0<<28)|(0x3<<26)|(0x3<<24)|(0x0<<22)|(0x3<<20)|(0x3<<18)|(0x3<<16));
#else
	rGPGUDP |= ((0x0<<30)|(0x1<<28)|(0x1<<26)|(0x1<<24)|(0x1<<22)|(0x2<<20)|(0x2<<18)|(0x1<<16));
#endif
	
	rGPGDAT &=~ (0xff<<8);
	rGPGDAT |= ((0x0<<15)|(0x0<<14)|(0x0<<13)|(0x0<<12)|(0x0<<11)|(0x0<<10)|(0x0<<9)|(0x0<<8));

	
	
	//GPH
	rGPHCON &=~(0x3fffffff<<0);
#ifdef		__CHK2443
	rGPHCON |= ((0x0<<28)|(0x0<<26)|(0x0<<24)|(0x0<<22)|(0x0<<20)|(0x0<<18)|(0x0<<16)|(0x0<<6)|(0x0<<4)|(0x0<<2)|(0x0<<0));
#else
	rGPHCON |= ((0x1<<28)|(0x0<<26)|(0x0<<24)|(0x1<<22)|(0x0<<20)|(0x0<<18)|(0x0<<16)|(0x0<<6)|(0x0<<4)|(0x0<<2)|(0x0<<0));
#endif
	
	rGPHUDP &=~(0x3fffffff<<0);
#ifdef		__CHK2443	
	rGPHUDP |= ((0x0<<28)|(0x0<<26)|(0x0<<24)|(0x0<<22)|(0x3<<20)|(0x0<<18)|(0x3<<16)|(0x3<<6)|(0x0<<4)|(0x3<<2)|(0x0<<0));
#else
	rGPHUDP |= ((0x2<<28)|(0x1<<26)|(0x1<<24)|(0x2<<22)|(0x1<<20)|(0x2<<18)|(0x1<<16)|(0x1<<6)|(0x2<<4)|(0x1<<2)|(0x2<<0));
#endif	
	rGPHDAT &=~ (0x7fff<<0);
	rGPHDAT |= ((0x0<<14)|(0x1<<13)|(0x0<<12)|(0x1<<11)|(0x0<<10)|(0x1<<9)|(0x1<<8)|(0x0<<3)|(0x1<<2)|(0x1<<1)|(0x1<<0));

	

///////////////////////////////////////////////////////////////////////////////////////////
	// VDD_SD IO
	// GPE[13:5], GPL[14:0], GPJ[15:13]
	
	//GPE
	rGPECON &=~(0x3ffff<<10);
	rGPECON |= ((0x0<<26)|(0x0<<24)|(0x0<<22)|(0x0<<20)|(0x0<<18)|(0x0<<16)|(0x0<<14)|(0x0<<12)|(0x0<<10));//Set Input All
	
	rGPEUDP &=~(0x3ffff<<10);
	#ifdef		__CHK2443	
	rGPEUDP |= ((0x0<<26)|(0x0<<24)|(0x0<<22)|(0x3<<20)|(0x3<<18)|(0x3<<16)|(0x3<<14)|(0x3<<12)|(0x0<<10));
	#else
	rGPEUDP |= ((0x1<<26)|(0x1<<24)|(0x1<<22)|(0x2<<20)|(0x2<<18)|(0x2<<16)\
	           |(0x2<<14)|(0x2<<12)|(0x1<<10));
	#endif
	
	rGPEDAT &=~ (0x1ff<<5);
	rGPEDAT |= ((0x0<<13)|(0x0<<12)|(0x0<<11)|(0x0<<10)|(0x1<<9)|(0x1<<8)|(0x0<<7)|(0x1<<6)|(0x1<<5));

	
	//GPL
	rGPLCON &=~(0x3fffffff<<0);
	rGPLCON |= ((0x0<<28)|(0x0<<26)|(0x0<<24)|(0x0<<22)|(0x0<<20)|(0x0<<18)|(0x0<<16)|(0x0<<14)|(0x0<<12)|(0x0<<10)|(0x0<<8)|(0x0<<6)|(0x0<<4)|(0x0<<2)|(0x0<<0));
	rGPLUDP &=~(0x3fffffff<<0);
	#ifdef		__CHK2443	
	rGPLUDP |= ((0x0<<28)|(0x0<<26)|(0x0<<24)|(0x0<<22)|(0x0<<20)|(0x0<<18)|(0x3<<16)|(0x3<<14)|(0x3<<12)|(0x3<<10)|(0x3<<8)|(0x3<<6)|(0x3<<4)|(0x3<<2)|(0x3<<0));
	#else
	rGPLUDP |= ((0x1<<28)|(0x1<<26)|(0x1<<24)|(0x1<<22)|(0x1<<20)|(0x1<<18)|(0x2<<16)|(0x2<<14)|(0x2<<12)|(0x2<<10)|(0x2<<8)|(0x1<<6)|(0x2<<4)|(0x2<<2)|(0x2<<0));
	#endif	
	rGPLDAT &=~ (0x1fff<<0);
	rGPLDAT |= ((0x0<<14)|(0x0<<13)|(0x0<<12)|(0x0<<11)|(0x0<<10)|(0x1<<9)|(0x1<<8)|(0x1<<3)|(0x1<<2)|(0x1<<1)|(0x1<<0));
	
	//GPJ
	rGPJCON &=~(0x3f<<26);
	rGPJCON |= ((0x0<<30)|(0x0<<28)|(0x0<<26));
		
	rGPJUDP &=~(0x3f<<26);
	#ifdef		__CHK2443	
	rGPJUDP |= ((0x0<<30)|(0x0<<28)|(0x0<<26));
	#else
	rGPJUDP |= ((0x2<<30)|(0x2<<28)|(0x2<<26));
	#endif
	
	rGPJDAT &=~ (0x7<<13);
	rGPJDAT |= ((0x1<<15)|(0x1<<14)|(0x1<<13));
	
	#ifdef		__CHK2443	
	//GPH - This configuration is setting for CFG3(UART) set as [off:off:off:off]
	rGPHCON &= ~((0x3<<14)|(0x3<<12)|(0x3<<10)|(0x3<<8));	
	rGPHUDP &= ~((0x3<<14)|(0x3<<12)|(0x3<<10)|(0x3<<8));
	#endif
	



///////////////////////////////////////////////////////////////////////////////////////////	
	// VDD_LCD IO
	// GPC[15:0], GPD[15:0]
	
	//GPC
	rGPCCON &=~(0xffffffff<<0);
	rGPCCON |= ((0x0<<30)|(0x0<<28)|(0x0<<26)|(0x0<<24)|(0x0<<22)|(0x0<<20)|(0x0<<18)|(0x0<<16)\
	           |(0x0<<14)|(0x0<<12)|(0x0<<10)|(0x0<<8)|(0x0<<6)|(0x0<<4)|(0x0<<2)|(0x0<<0));
	
	rGPCUDP &=~(0xffffffff<<0);
	#ifdef		__CHK2443	
	rGPCUDP |= ((0x2<<30)|(0x2<<28)|(0x2<<26)|(0x2<<24)|(0x2<<22)|(0x2<<20)|(0x2<<18)|(0x2<<16)
	           |(0x2<<14)|(0x2<<12)|(0x2<<10)|(0x2<<8)|(0x2<<6)|(0x2<<4)|(0x2<<2)|(0x2<<0));
	#else
	rGPCUDP |= ((0x0<<30)|(0x0<<28)|(0x0<<26)|(0x0<<24)|(0x0<<22)|(0x0<<20)|(0x0<<18)|(0x0<<16)
	           |(0x0<<14)|(0x0<<12)|(0x0<<10)|(0x0<<8)|(0x0<<6)|(0x0<<4)|(0x0<<2)|(0x0<<0));
	#endif
	
	rGPCDAT &=~ (0x1fff<<0);
	rGPCDAT |= ((0x0<<14)|(0x1<<13)|(0x0<<12)|(0x1<<11)|(0x0<<10)|(0x1<<9)|(0x1<<8)|(0x0<<3)|(0x1<<2)|(0x1<<1)|(0x1<<0));

	//GPD
	rGPDCON &=~(0xffffffff<<0);
	rGPDCON |= ((0x0<<30)|(0x0<<28)|(0x0<<26)|(0x0<<24)|(0x0<<22)|(0x0<<20)|(0x0<<18)|(0x0<<16)\
	           |(0x0<<14)|(0x0<<12)|(0x0<<10)|(0x0<<8)|(0x0<<6)|(0x0<<4)|(0x0<<2)|(0x0<<0));	           
	
	           
	rGPDUDP &=~(0xffffffff<<0);
	#ifdef		__CHK2443
	rGPDUDP |= ((0x2<<30)|(0x2<<28)|(0x2<<26)|(0x2<<24)|(0x2<<22)|(0x2<<20)|(0x2<<18)|(0x2<<16)\
	           |(0x2<<14)|(0x2<<12)|(0x2<<10)|(0x2<<8)|(0x2<<6)|(0x2<<4)|(0x2<<2)|(0x2<<0));
	#else
	rGPDUDP |= ((0x0<<30)|(0x0<<28)|(0x0<<26)|(0x0<<24)|(0x0<<22)|(0x0<<20)|(0x0<<18)|(0x0<<16)\
	           |(0x0<<14)|(0x0<<12)|(0x0<<10)|(0x0<<8)|(0x0<<6)|(0x0<<4)|(0x0<<2)|(0x0<<0));
	#endif
	
	rGPDDAT &=~ (0xffff<<0);
	rGPDDAT |= ((0x0<<14)|(0x1<<13)|(0x0<<12)|(0x1<<11)|(0x0<<10)|(0x1<<9)|(0x1<<8)|(0x0<<3)|(0x1<<2)|(0x1<<1)|(0x1<<0));


///////////////////////////////////////////////////////////////////////////////////////////	
	// VDD_CAM IO
	// GPJ[15:0],
	
	//GPJ
	rGPJCON &=~(0x3ffffff<<0);
	rGPJCON |= ((0x0<<24)|(0x0<<22)|(0x0<<20)|(0x0<<18)|(0x0<<16)\
	           |(0x0<<14)|(0x0<<12)|(0x0<<10)|(0x0<<8)|(0x0<<6)|(0x0<<4)|(0x0<<2)|(0x0<<0));
	           
	rGPJUDP &=~(0x3ffffff<<0);
	#ifdef		__CHK2443
	rGPJUDP |= ((0x2<<24)|(0x2<<22)|(0x2<<20)|(0x2<<18)|(0x2<<16)\
	           |(0x2<<14)|(0x2<<12)|(0x2<<10)|(0x2<<8)|(0x2<<6)|(0x2<<4)|(0x2<<2)|(0x2<<0));
	#else
	rGPJUDP |= ((0x0<<24)|(0x0<<22)|(0x0<<20)|(0x0<<18)|(0x0<<16)\
	           |(0x0<<14)|(0x0<<12)|(0x0<<10)|(0x0<<8)|(0x0<<6)|(0x0<<4)|(0x0<<2)|(0x0<<0));
	#endif
	
	rGPJDAT &=~ (0x1fff<<0);
	rGPJDAT |= ((0x0<<12)|(0x1<<11)|(0x0<<10)|(0x1<<9)|(0x1<<8)\
	             |(0x0<<7)|(0x1<<6)|(0x1<<5)|(0x1<<4)|(0x0<<3)|(0x1<<2)|(0x1<<1)|(0x1<<0));

///////////////////////////////////////////////////////////////////////////////////////////
	// VDD_RMOP
	//rMSLCON = 0x0;
	#ifdef		__CHK2443
	rGPMCON &=~((0x3<<2) | (0x3<<0));
	rGPMUDP &=~((0x3<<4) |(0x3<<2) | (0x3<<0));
	rGPMUDP |= ((0x3<<4) | (0x3<<2) | (0x3<<0));
	#endif

///////////////////////////////////////////////////////////////////////////////////////////	
	// VDD_SMOP : sleep wakeup iteration fail or not?
	//rMSLCON = 0x0;
	#ifdef		__CHK2443	
	//rDATAPDEN &=~((0x1<<0)|(0x1<<1)|(0x1<<2)|(0x1<<3)|(0x1<<4)|(0x1<<5)); // reset value = 0x3f; --> 0x30 = 2uA
	//rDATAPDEN = (0x3<<4);
	#else
	rGPKUDP &=~((0x1<<0)|(0x1<<1)|(0x1<<2)|(0x1<<3)|(0x1<<4)|(0x1<<5)); // reset value = 0x3f; --> 0x30 = 2uA
	rGPKUDP |= (0x3<<4);
	#endif
}

//================================================================================
U32 dsc0_bak, dsc1_bak, mslcon_bak;

void ConfigMiscIO(void)
{
	// memory data/control signal pin status definition when sleep.
	mslcon_bak = rMISCCR;
	
	// In the evaluation board, Even though in sleep mode, the devices are all sDNplied the power.
	//rMSLCON = (0<<11)|(0<<10)|(0<<9)|(0<<8)|(0<<7)|(0<<6)|(0<<5)|(0<<4)|(0<<3)|(0<<2)|(0<<1)|(0<<0);
	rMISCCR = (1<<13)|(1<<12);

}