?? sleep.c
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/*************************************************
NAME: sleep.c
DESC: Sleep mode test
HISTORY:
08.24.2002:purnnamu
LCDVFn is connected the analog circuit in LCD.
So, this signal should be output L.
05.xx.2003:DonGo modifid for 2440X, Power-off -> Sleep. naming change.
*************************************************/
#include "def.h"
#include "option.h"
#include "2440addr.h"
#include "2440lib.h"
#include "2440slib.h"
#include "lcdlib.h"
#include "sleep.h"
#define TESTYEAR (0x00)
#define TESTMONTH (0x12)
#define TESTDATE (0x31)
#define TESTDAY (0x06) // SUN:1 MON:2 TUE:3 WED:4 THU:5 FRI:6 SAT:7
#define TESTHOUR (0x23)
#define TESTMIN (0x59)
#define TESTSEC (0x59)
#define TESTYEAR2 (0x01)
#define TESTMONTH2 (0x01)
#define TESTDATE2 (0x01)
#define TESTDAY2 (0x07) // SUN:1 MON:2 TUE:3 WED:4 THU:5 FRI:6 SAT:7
#define TESTHOUR2 (0x00)
#define TESTMIN2 (0x00)
#define TESTSEC2 (0x00)
#define CHECK_SDRAM_SELFREFRESH (1)
#define EXTERNAL_BUS_HOLDER (1)
//The SMDK2440X board has external databus buffer with bus hold function.
#define CHOOSE_EINT_TYPE (1)
#define ALARM_WAKEUP (1)
void SelectEintType(void);
#define SLEEP_COUNT (*(volatile unsigned int *)0x32000000)
void Batt_Sleep(void);
extern void Manual_Register_Set(void);
//================================================================================
static void __irq Eint0Int(void)
{
ClearPending(BIT_EINT0);
Uart_Printf("[WU]EINT0 interrupt is occurred for Sleep mode wake-up.\n");
}
//================================================================================
static void __irq Eint8_23Int(void)
{
rEINTPEND=(1<<11); //EINT11 sub-pending bit.
ClearPending(BIT_EINT8_23);
Uart_Printf("[WU]EINT8_23 interrupt is occurred for Sleep mode wake-up.\n");
}
//================================================================================
static void __irq Eint8_23Int_100Hz(void)
{
rEINTPEND=(1<<11); //EINT11 sub-pending bit.
ClearPending(BIT_EINT8_23);
Uart_Printf("wui\n");
}
//================================================================================
static void __irq AlarmInt(void)
{
Uart_Printf("INTPND:%x, SRCPND:%x \n", rINTPND, rSRCPND);
ClearPending(BIT_RTC);
Uart_Printf("[WU]ALARM interrupt is occurred for Sleep mode wake-up.\n");
}
//================================================================================
void Test_InitSDRAM(void)
//Initialize SDRAM for SDRAM self-refresh test.
{
int i;
Uart_Printf("[SDRAM Initialization]\n");
Uart_Printf("Fill SDRAM for self-refresh test.\n");
for(i=_NONCACHE_STARTADDRESS;i<(_NONCACHE_STARTADDRESS+0x400000);i+=4)
*((U32 *)i)=i^0x55555555;
Uart_Printf("Filling SDRAM is completed.\n");
*((volatile U32 *)0x33e00000)=0x0; //for Initialize the counter in Check_SleepWakeUp_100Hz().
}
//================================================================================
void SelectEintType(void)
{
int extintMode;
Uart_Printf("1.L-level 2.H-level 3.F-edge 4.R-edge 5.B-edge\n");
Uart_Printf("Select the EINT0 trigger type:");
extintMode=Uart_Getch();
rGPFCON=rGPFCON & ~(3<<0)|(2<<0); //PF0=EINT0
switch(extintMode)
{
case '1':
rEXTINT0=rEXTINT0&~(7<<0)|(0x0<<0); //EINT0=low level triggered
Uart_Printf("L-level\n");
break;
case '2':
rEXTINT0=rEXTINT0&~(7<<0)|(0x1<<0); //EINT0=high level triggered
Uart_Printf("H-level\n");
break;
case '3':
rEXTINT0=rEXTINT0&~(7<<0)|(0x2<<0); //EINT0=falling edge triggered
Uart_Printf("F-edge\n");
break;
case '4':
rEXTINT0=rEXTINT0&~(7<<0)|(0x4<<0); //EINT0=rising edge triggered
Uart_Printf("R-edge\n");
break;
case '5':
rEXTINT0=rEXTINT0&~(7<<0)|(0x6<<0); //EINT0=both edge triggered
Uart_Printf("B-edge\n");
break;
default:
break;
}
}
//================================================================================
void ConfigSleepGPIO(void)
{
// Check point
// 1) NC pin: input pull-up on
// 2) If input is driver externally: input pull-up off
// 3) If a connected component draws some current: output low.
// 4) If a connected component draws no current: output high.
// Follow the configuration order for setting the ports.
// 1) setting value(GPnDAT)
// 2) setting control register (GPnCON)
// 3) configure pull-up resistor(GPnUP)
//CAUTION: Below configurations are only for SMDK2440 eva. board
//*** PORT A GROUP
// [22:nFCE] [21:nRSTOUT] [20:nFRE] [19:nFWE] [18:ALE] [17:CLE] [16:nGCS5]
// [15:nGCS4] [14:nGCS3] [13:nGCS2] [12:nGCS1] [11:ADR26] [10:ADR25] [9:ADR24] [8:ADR23]
// [7:ADR22] [6:ADR21] [5:ADR20] [4:ADR19] [3:ADR18] [2:ADR17] [1:ADR16] [0:ADR0]
rGPACON = 0x7fffff;
//**** PORT B GROUP
// [10:nXDREQ0] [9:nXDACK0] [8:nXDREQ1]
// [7:nXDACK1] [6:nSS_KBD] [5:nDIS_OFF] [4:L3CLOCK] [3:L3DATA] [2:L3MODE] [1:nIrDATXDEN] [0:Keyboard]
// * nXDREQ0/1:ext.pD, nSS_KBD:ext.pU, nDIS_OFF:ext.pD, nIrDATXDEN:ext.pU, Keyboard:ext.pU
//rGPBDAT = 0x0;
//rGPBCON = 0x0; // all input
//rGPBUP = (1<<10)+(1<<8)+(1<<6)+(1<<5)+(1<<1)+(1<<0);//0x563;
// modified for Voltage regulator /OE signal(GPB10), GPB10=output high.
//rGPBCON = (1<<20)|(1<<16) | 0x0; // GPB10=output
//rGPBUP = (0<<10)+(0<<8)+(1<<6)+(1<<5)+(1<<1)+(1<<0);//0x563;
//*** PORT C GROUP
// [15:VD7] [14:VD6] [13:VD5] [12:VD4] [11:VD3] [10:VD2] [9:VD1] [8:VD0]
// [7:LCD_LPCREVB] [6:LCD_LPCREV] [5:LCD_LPCOE] [4:VM] [3:VFRAME] [2:VLINE] [1:VCLK] [0:LEND]
// * LCD_LPCREV and LCD_LPCREVB are connected the analog circuit in LCD or board. So, this signal should be output L.
rGPCDAT = 0x0;
rGPCCON = (1<<14)+(1<<12);//0x5000;
rGPCUP = (1<<7)+(1<<6);//0xc0;
//*** PORT D GROUP
// [15:VD23] [14:VD22] [13:VD21] [12:VD20] [11:VD19] [10:VD18] [9:VD17] [8:VD16]
// [7:VD15] [6:VD14] [5:VD13] [4:VD12] [3:VD11] [2:VD10] [1:VD9] [0:VD8]
// * 5V tol. pad(GPD[10:8]) should be output L
// * The input of Maxim IC may have current sink, so the port should have configured output 'H'(GPD0)
// * The output of Maxim IC drives 'H', so disable the pull-up(GPD1)
rGPDDAT = (1<<0);//0x1;
rGPDCON = (1<<20)+(1<<18)+(1<<16)+(1<<0);//0x150001;
rGPDUP = (1<<10)+(1<<9)+(1<<8)+(1<<1);//0x702;
//*** PORT E GROUP
// [15:IICSDA] [14:IICSCL] [13:SPICLK] [12:SPIMOSI] [11:SPIMISO] [10:SDATA3] [9:SDDATA2] [8:SDDATA1]
// [7:SDDATA0] [6:SDCMD] [5:SDCLK] [4:I2SSDO] [3:I2SSDI] [2:CDCLK] [1:I2SSCLK] [0:I2SLRCK]
// * 5V tol. pad(GPE[13:11]) should be output L
// * The output of CODEC IC drives 'H', so disable the pull-up
// * IICSDA/IICSCL:ext pU, SDDAT[3:0]/SDCMD:ext pU
rGPEDAT = 0x0;
rGPECON = (1<<26)+(1<<24)+(1<<22);//0x5400000;
rGPEUP = (0xf<<12)+(0xf<<8)+(0x3<<6)+(1<<3);//0xffc8;
//*** PORT F GROUP
// [7:nLED_8] [6:nLED_4] [5:nLED_2] [4:nLED_1] [3:nIRQ_PCMCIA] [2:EINT2] [1:KBDINT] [0:EINT0]
// * GPF[7:4] are connected to 'H' through LED, so make output 'H'
// * nIRQ_PCMCIA=Hi-Z Before initialize
// * EINT0 is the wake-up source
// * EINT2/0:ext pU, KBDINT:Keyboard controller drives high
rGPFDAT = (0xf<<4);//0xf0;
rGPFCON = (0x5<<12)+(0x5<<8)+2;//0x5502;
rGPFUP = (0xf<<4)+7;//0xf7;
//*** PORT G GROUP
// [15:EINT23] [14:EINT22] [13:EINT21] [12:EINT20] [11:EINT19] [10:nCD_SD] [9:DMAMODE] [8:DMASTART]
// [7:KBDSPICLK] [6:KBDSPIMOSI] [5:KBDSPIMISO] [4:LCD_PWREN] [3:EINT11] [2:nSS_SPI] [1:IRQ_LAN] [0:IRQ_PCMCIA]
// * 5V tol. pad(GPG[13:11]) should be output L
// * GPG[15:13]:NAND boot config, EINT19:ext pU, nCD_SD:ext pU, EINT11:ext pU
// * The input of Maxim IC may have current sink, so the port should have configured output 'H'(GPG9)
// * The output of Maxim IC drives 'H', so disable the pull-up(GPG10)
rGPGDAT = (1<<9);//0x200;
rGPGCON = (1<<18)+(1<<14)+(1<<12)+(1<<10);//0x45400;
rGPGUP = (0xe<<12)+(0xe<<8)+(0xe<<4)+(1<<3);//0xeee8;
//*** PORT H GROUP
// [10:CLKOUT1] [9:CLKOUT0] [8:UCLK]
// [7:nCTS1] [6:nRTS1] [5:RXD1] [4:TXD1] [3:RXD0] [2:TXD0] [1:nRTS0] [0:nCTS0]
// * WP_SP:ext pU
// * The input of Maxim IC may have current sink, so the port should have configured output 'H'(GPH4/2/1)
// * The output of Maxim IC drives 'H', so disable the pull-up(GPH5/3/0)
rGPHDAT = (1<<4)+(1<<2)+(1<<1);
rGPHCON = (1<<8)+(1<<4)+(1<<2);//0x114;
rGPHUP = (1<<8)+(1<<5)+(1<<3)+1;//0x129;
//*** PORT J GROUP
// [12:CAMRESET] [11:CAMCLKOUT] [10:CAMHREF] [9:CAMVS] [8:CAMPCLKIN]
// [7:CAMD7] [6:CAMD6] [5:CAMD5] [4:CAMD4] [3:CAMD3] [2:CAMD2] [1:CAMD1] [0:CAMD0]
// * The output of buffer IC drives 'H', so disable the pull-up(GPJ[10:0])
rGPJDAT = 0x0;
rGPJCON = 0x0; // all input
rGPJUP = 0x7ff;
//External interrupt will be falling edge triggered.
rEXTINT0 = 0x22222222; // EINT[7:0]
rEXTINT1 = 0x22222222; // EINT[15:8]
rEXTINT2 = 0x22222222; // EINT[23:16]
}
//================================================================================
void SetAlarmWakeUp(void)
{
rRTCCON = 0x1; // R/W enable, 1/32768, Normal(merge), No reset
rBCDYEAR = TESTYEAR;
rBCDMON = TESTMONTH;
rBCDDAY = TESTDAY; // SUN:1 MON:2 TUE:3 WED:4 THU:5 FRI:6 SAT:7
rBCDDATE = TESTDATE;
rBCDHOUR = TESTHOUR;
rBCDMIN = TESTMIN;
rBCDSEC = TESTSEC;
rALMYEAR=TESTYEAR2 ;
rALMMON =TESTMONTH2;
rALMDATE=TESTDATE2 ;
rALMHOUR=TESTHOUR2 ;
rALMMIN =TESTMIN2 ;
rALMSEC =TESTSEC2+3;
rRTCALM=0x7f;
rRTCCON=0x0; // R/W disable, 1/32768, Normal(merge), No reset
}
//================================================================================
U32 dsc0_bak, dsc1_bak, mslcon_bak;
void ConfigMiscIO(void)
{
// memory data/control signal pin status definition when sleep.
mslcon_bak = rMSLCON;
// In the evaluation board, Even though in sleep mode, the devices are all supplied 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);
rMSLCON = (1<<11)|(1<<10)|(1<<9)|(1<<8)|(1<<7)|(1<<6)|(1<<5)|(1<<4)|(1<<3)|(1<<2)|(1<<1)|(1<<0);
// Memory interface signal definition when sleep mode.
//PSC_DATA [11] DATA status, 0:output "0" ( All 32-bit data Low drive ), 1:Hi-Z
//PSC_WAIT [10] nWAIT status, 0:output "0", 1: input
//PSC_RnB [9] RnB status, 0:output "0", 1: input
//PSC_NF [8] NAND Flash I/O status, 0:inactive nFCE,nFRE,nFWE,ALE,CLE = 11100, 1: Hi-Z
//PSC_SDR [7] nSRAS, nSCAS status, 0:inactive( "11"), 1: Hi-Z
//PSC_DQM [6] DQM[3:0]/nWE[3:0] status, 0:inactive( "0000"), 1:Hi-Z
//PSC_OE [5] nOE status, 0:inactive( "1"), 1:Hi-Z
//PSC_WE [4] nWE status, 0:inactive( "1"), 1:Hi-Z
//PSC_GCS0 [3] nGCS[0] status, 0:inactive( "1"), 1:Hi-Z
//PSC_GCS[5:1][2] nGCS[5:1] status, 0:inactive( "1"), 1:Hi-Z
//PSC_GCS6 [1] nGCS[6] status, 0:inactive( "1"), 1:Hi-Z
//PSC_GCS7 [0] nGCS[7] status, 0:inactive( "1"), 1:Hi-Z
#if 1
Uart_Printf("Drive strength control.\n");
dsc0_bak = rDSC0;
dsc1_bak = rDSC1;
rDSC0 = (1<<31)|(3<<8)|(3<<0);
// nEN_DSC [31] Enable Drive strength control, 1:enable
// DSC_ADR [9:8] Address bus drive strength. 0:10mA, 1:8mA, 2:6mA, 3:4mA
// DSC_DATA [7:0] Data bus drive strength, 0:12mA, 1:10mA, 2:8mA, 3:6mA
rDSC1 = (3<<28)|(3<<26)|(3<24)|(3<<22)|(3<<20)|(3<<18);
// 0:16mA, 1:12mA, 2:8mA, 3:6mA
//DSC_SCK1 [29:28] SCLK1
//DSC_SCK0 [27:26] SCLK0
//DSC_SCKE [25:24] SCKE
//DSC_SDR [23:22] nSRAS/nSCAS
//DSC_NFC [21:20] Nand Flash(nFCWE, nFRE, nFWE,CLE,ALE) Control
//DSC_BE [19:18] nBE[3:0]
//DSC_WOE [17:16] nWE/nOE
//DSC_CS7 [15:14] nGCS7
//DSC_CS6 [13:12] nGCS6
//DSC_CS5 [11:10] nGCS5
//DSC_CS4 [9:8] nGCS4
//DSC_CS3 [7:6] nGCS3
//DSC_CS2 [5:4] nGCS2
//DSC_CS1 [3:2] nGCS1
//DSC_CS0 [1:0] nGCS0
#endif
}
//================================================================================
void Check_SleepWakeUp(void)
{
Uart_Printf("[Sleep related registers]\n");
Uart_Printf("GSTATUS2: PWRST=%d OFFRST=%d WDTRST=%d\n",
(rGSTATUS2&(1<<0))!=0,
(rGSTATUS2&(1<<1))!=0,
(rGSTATUS2&(1<<2))!=0);
Uart_Printf("GSTATUS2:%x, GSTATUS2\n");
Uart_Printf("GSTATUS3:%x(0x0,0x%x), GSTATUS4=%x(0x0,0xaaaaaaaa)\n",
rGSTATUS3,(U32)StartPointAfterSleepWakeUp,rGSTATUS4);
if(rGSTATUS2&(1<<0))
{
Uart_Printf("Power On Reset\n\n");
rGSTATUS2=(1<<0);
SLEEP_COUNT=0;
return;
}
if(rGSTATUS2&(1<<1))
{
Uart_Printf("Sleep Wake-up\n\n");
rGSTATUS2=(1<<1);
Uart_Printf("EINTPEND=0x%x\n",rEINTPEND);
Uart_Printf("SRCPND=0x%x\n",rSRCPND);
// Added for wake-up 100Hz.
SLEEP_COUNT = SLEEP_COUNT+1;
Uart_Printf("SLEEP_COUNT=%d\n", SLEEP_COUNT);
if(SLEEP_COUNT>1000000)
{
Uart_Printf("\n\nSleep count is %d... any key to continue\n\n", SLEEP_COUNT);
Uart_Getch();
}
Test_SleepMode(); // goto sleep mode again.
}
if(rGSTATUS2&(1<<2))
{
Uart_Printf("Watchdog Reset\n\n");
rGSTATUS2=(1<<2);
return;
}
}
//================================================================================
void Test_SleepMode(void)
{
int i;
U32 portStatus[33+3];
int error=0;
int mode;
Uart_Printf("[Sleep Mode Test]\n");
Uart_Printf("nBATT_FLT pin should be tested.\n");
Uart_Printf("S3C2440 will wake up by EINT0 .\n");
/////////////////////////////////////////// add for battery fault...
#if 1
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