?? power.c
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/******************************************************************************
*
* System On Chip(SOC)
*
* Copyright (c) 2002 Software Center, Samsung Electronics, Inc.
* All rights reserved.
*
* This software is the confidential and proprietary information of Samsung
* Electronics, Inc("Confidential Information"). You Shall not disclose such
* Confidential Information and shall use it only in accordance with the terms
* of the license agreement you entered into Samsung.
*
*-----------------------------------------------------------------------------
*
* S3C2440 BSP
*
* power.c : S3C2440 Power Management(OEMPowerOff()) Routines
*
*
******************************************************************************
*/
#include "windows.h"
#include "nkintr.h"
#include "oalintr.h"
#include "s2440.h"
#include "drv_glob.h"
#define PRIVATE static
#define PUBLIC
extern void CPUPowerOff(void);
//extern void EmergencyCPUPowerOff(void);
extern void CPUPowerReset();
void Watchdog_Set(void);
void Burst_Refresh(void);
void CLR_IF();
PRIVATE DWORD CPUBackupRegs[60];
void (*gpfnKitlPowerHandler)(BOOL bOff) = NULL;
//============================================================
// Power Mnanagement Related..
#define PRIVATE static
PRIVATE DWORD CPUBackupRegs[60];
PRIVATE void
CPUSaveRegs(DWORD *p)
{
volatile IOPreg *s2440IOP = (IOPreg *)IOP_BASE;
volatile INTreg *s2440INT = (INTreg *)INT_BASE;
volatile LCDreg *s2440LCD = (LCDreg *)LCD_BASE;
*p++ = s2440IOP->rGPACON;
*p++ = s2440IOP->rGPADAT;
*p++ = s2440IOP->rGPBCON;
*p++ = s2440IOP->rGPBDAT;
*p++ = s2440IOP->rGPBUP;
*p++ = s2440IOP->rGPCCON;
*p++ = s2440IOP->rGPCDAT;
*p++ = s2440IOP->rGPCUP;
*p++ = s2440IOP->rGPDCON;
*p++ = s2440IOP->rGPDDAT;
*p++ = s2440IOP->rGPDUP;
*p++ = s2440IOP->rGPECON;
*p++ = s2440IOP->rGPEDAT;
*p++ = s2440IOP->rGPEUP;
*p++ = s2440IOP->rGPFCON;
*p++ = s2440IOP->rGPFDAT;
*p++ = s2440IOP->rGPFUP;
*p++ = s2440IOP->rGPGCON;
*p++ = s2440IOP->rGPGDAT;
*p++ = s2440IOP->rGPGUP;
*p++ = s2440IOP->rGPHCON;
*p++ = s2440IOP->rGPHDAT;
*p++ = s2440IOP->rGPHUP;
*p++ = s2440IOP->rMISCCR;
*p++ = s2440IOP->rDCKCON;
*p++ = s2440IOP->rEXTINT0;
*p++ = s2440IOP->rEXTINT1;
*p++ = s2440IOP->rEXTINT2;
*p++ = s2440IOP->rEINTFLT0;
*p++ = s2440IOP->rEINTFLT1;
*p++ = s2440IOP->rEINTFLT2;
*p++ = s2440IOP->rEINTFLT3;
*p++ = s2440IOP->rEINTMASK;
*p++ = s2440INT->rINTMOD;
*p++ = s2440INT->rINTMSK;
*p++ = s2440INT->rINTSUBMSK;
*p++ = s2440LCD->rTCONSEL;
*p++ = s2440LCD->rLCDINTMSK;
*p++ = s2440LCD->rTPAL;
*p++ = s2440LCD->rDITHMODE;
*p++ = s2440LCD->rBLUELUT;
*p++ = s2440LCD->rGREENLUT;
*p++ = s2440LCD->rREDLUT;
*p++ = s2440LCD->rLCDSADDR3;
*p++ = s2440LCD->rLCDSADDR2;
*p++ = s2440LCD->rLCDSADDR1;
*p++ = s2440LCD->rLCDCON5;
*p++ = s2440LCD->rLCDCON4;
*p++ = s2440LCD->rLCDCON3;
*p++ = s2440LCD->rLCDCON2;
*p++ = s2440LCD->rLCDCON1;
}
PRIVATE void
CPULoadRegs(DWORD *p)
{
volatile IOPreg *s2440IOP = (IOPreg *)IOP_BASE;
volatile INTreg *s2440INT = (INTreg *)INT_BASE;
volatile LCDreg *s2440LCD = (LCDreg *)LCD_BASE;
s2440IOP->rGPACON = *p++;
s2440IOP->rGPADAT = *p++;
s2440IOP->rGPBCON = *p++;
s2440IOP->rGPBDAT = *p++;
s2440IOP->rGPBUP = *p++;
s2440IOP->rGPCCON = *p++;
s2440IOP->rGPCDAT = *p++;
s2440IOP->rGPCUP = *p++;
s2440IOP->rGPDCON = *p++;
s2440IOP->rGPDDAT = *p++;
s2440IOP->rGPDUP = *p++;
s2440IOP->rGPECON = *p++;
s2440IOP->rGPEDAT = *p++;
s2440IOP->rGPEUP = *p++;
s2440IOP->rGPFCON = *p++;
s2440IOP->rGPFDAT = *p++;
s2440IOP->rGPFUP = *p++;
s2440IOP->rGPGCON = *p++;
s2440IOP->rGPGDAT = *p++;
s2440IOP->rGPGUP = *p++;
s2440IOP->rGPHCON = *p++;
s2440IOP->rGPHDAT = *p++;
s2440IOP->rGPHUP = *p++;
s2440IOP->rMISCCR = *p++;
s2440IOP->rDCKCON = *p++;
s2440IOP->rEXTINT0 = *p++;
s2440IOP->rEXTINT1 = *p++;
s2440IOP->rEXTINT2 = *p++;
s2440IOP->rEINTFLT0 = *p++;
s2440IOP->rEINTFLT1 = *p++;
s2440IOP->rEINTFLT2 = *p++;
s2440IOP->rEINTFLT3 = *p++;
s2440IOP->rEINTMASK = *p++;
s2440INT->rINTMOD = *p++;
s2440INT->rINTMSK = *p++;
s2440INT->rINTSUBMSK = *p++;
s2440LCD->rTCONSEL = *p++;
s2440LCD->rLCDINTMSK = *p++;
s2440LCD->rTPAL = *p++;
s2440LCD->rDITHMODE = *p++;
s2440LCD->rBLUELUT = *p++;
s2440LCD->rGREENLUT = *p++;
s2440LCD->rREDLUT = *p++;
s2440LCD->rLCDSADDR3 = *p++;
s2440LCD->rLCDSADDR2 = *p++;
s2440LCD->rLCDSADDR1 = *p++;
s2440LCD->rLCDCON5 = *p++;
s2440LCD->rLCDCON4 = *p++;
s2440LCD->rLCDCON3 = *p++;
s2440LCD->rLCDCON2 = *p++;
s2440LCD->rLCDCON1 = *p++;
void ConfigStopGPIO(void)
{
volatile IOPreg *s2440IOP = (IOPreg *)IOP_BASE;
// 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.
//chip # = 5
//CAUTION:Follow the configuration order for setting the ports.
// 1) setting value(GPnDAT)
// 2) setting control register (GPnCON)
// 3) configure pull-up resistor(GPnUP)
//32bit data bus configuration
//*** PORT A GROUP
//Ports : GPA22 GPA21 GPA20 GPA19 GPA18 GPA17 GPA16 GPA15 GPA14 GPA13 GPA12
//Signal : nFCE nRSTOUT nFRE nFWE ALE CLE nGCS5 nGCS4 nGCS3 nGCS2 nGCS1
//Binary : 1 1 1, 1 1 1 1, 1 1 1 1,
//POFF : 1 0 1, 1 0 0 1, 1 1 1 1,
//-------------------------------------------------------------------------------------------
//Ports : GPA11 GPA10 GPA9 GPA8 GPA7 GPA6 GPA5 GPA4 GPA3 GPA2 GPA1 GPA0
//Signal : ADDR26 ADDR25 ADDR24 ADDR23 ADDR22 ADDR21 ADDR20 ADDR19 ADDR18 ADDR17 ADDR16 ADDR0
//Binary : 1 1 1 1, 1 1 1 1, 1 1 1 1
//POFF : 0 0 0 0, 0 0 0 0, 0 0 0 0
s2440IOP->rGPACON = 0x7fffff;
//**** PORT B GROUP
//Ports : GPB10 GPB9 GPB8 GPB7 GPB6 GPB5 GPB4 GPB3 GPB2 GPB1 GPB0
//Signal : nXDREQ0 nXDACK0 nXDREQ1 nXDACK1 nSS_KBD nDIS_OFF L3CLOCK L3DATA L3MODE nIrDATXDEN Keyboard
//Setting: INPUT OUTPUT INPUT OUTPUT INPUT OUT OUT OUT OUT INPUT INPUT
//Binary : 00, 01 00, 01 00, 01 01, 01 01, 00 00 (org)
//Binary : 00, 01 01, 01 01, 01 01, 01 01, 00 00
//PU_OFF : 0 1 0, 1 1(ext) 1(*) 1, 1 1 1(ext) 1(ext) (org)
//PU_OFF : 0 1 1, 1 1(ext) 1(*) 1, 1 1 1(ext) 1(ext)
//*:nDIS_OFF:4.7K external pull-down resistor
// s2440IOP->rGPBDAT= 0x0|(1<<9)|(1<<7)|(0<<5)|(1<<4)|(1<<3)|(1<<2);
s2440IOP->rGPBDAT= 0x0|(0<<9)|(1<<8)|(1<<7)|(1<<6)|(1<<5)|(1<<4)|(1<<3)|(1<<2); // SHLIM 040116
s2440IOP->rGPBCON = 0x055550;
s2440IOP->rGPBUP = 0x3ff; //0x2fd->2ff, 3uA is reduced. Why?
//*** PORT C GROUP
//Ports : GPC15 GPC14 GPC13 GPC12 GPC11 GPC10 GPC9 GPC8 GPC7 GPC6 GPC5 GPC4 GPC3 GPC2 GPC1 GPC0
//Signal : VD7 VD6 VD5 VD4 VD3 VD2 VD1 VD0 LCDVF2 LCDVF1 LCDVF0 VM VFRAME VLINE VCLK LEND
//Setting: IN IN IN IN IN IN IN IN OUT OUT OUT IN IN IN IN IN
//Binary : 00 00, 00 00, 00 00, 00 00, 01 01, 01 00, 00 00, 00 00
//PU_OFF : 0 0 0 0, 0 0 0 0, 1 1 1 0, 0 0 0 0
s2440IOP->rGPCDAT = 0x0;
s2440IOP->rGPCCON = 0x00005400; //0x00000000;
s2440IOP->rGPCUP = 0x00e0; //0x0000;
//LCDVFn is connected the analog circuit in LCD. So, this signal should be output L.
//*** PORT D GROUP
//Ports : GPD15 GPD14 GPD13 GPD12 GPD11 GPD10 GPD9 GPD8 GPD7 GPD6 GPD5 GPD4 GPD3 GPD2 GPD1 GPD0
//Signal : VD23 VD22 VD21 VD20 VD19 VD18 VD17 VD16 VD15 VD14 VD13 VD12 VD11 VD10 VD9 VD8
//Setting: IN IN IN IN IN IN IN IN IN IN IN IN IN IN IN IN
//Binary : 00 00, 00 00, 00 00, 00 00, 00 00, 00 00, 00 00, 00 00
//PU_OFF : 0 0 0 0, 0 0 0 0, 0 0 0 0, 0 0 0 0
s2440IOP->rGPDDAT= 0x0;
s2440IOP->rGPDCON = 0x0;
s2440IOP->rGPDUP = 0x0;
//*** PORT E GROUP
//Ports : GPE15 GPE14 GPE13 GPE12 GPE11 GPE10 GPE9 GPE8 GPE7 GPE6 GPE5 GPE4
//Signal : IICSDA IICSCL SPICLK0 SPIMOSI0 SPIMISO0 SDDATA3 SDDATA2 SDDATA1 SDDATA0 SDCMD SDCLK I2SSDO
//Setting: IN IN IN IN IN IN IN IN IN IN IN OUT
//Binary : 00 00, 00 00, 00 00, 00 00, 00 00, 00 01,
//PU_OFF : 1-ext 1-ext 0 0, 0 0 0 0, 0 0 0 1,
//------------------------------------------------------------------------------------------------
//Ports : GPE3 GPE2 GPE1 GPE0
//Signal : I2SSDI CDCLK I2SSCLK I2SLRCK
//Setting: IN OUT OUT OUT
//Binary : 00 01, 01 01
//PU_OFF : 1-ext 1 1 1
s2440IOP->rGPEDAT = 0x0|(1<<4)|(1<<2)|(1<<1)|(1<<0);
s2440IOP->rGPECON = 0x00000115;
s2440IOP->rGPEUP = 0xc01f;
//*** PORT F GROUP
//Ports : GPF7 GPF6 GPF5 GPF4 GPF3 GPF2 GPF1 GPF0
//Signal : nLED_8 nLED_4 nLED_2 nLED_1 nIRQ_PCMCIA EINT2 KBDINT EINT0
//Setting: Output Output Output Output IN IN IN EINT0
//Binary : 01 01, 01 01, 00 00, 00 10
//PU_OFF : 1 1 1 1, 0-ext 1-ext 1-ext 1-ext
s2440IOP->rGPFDAT = 0x0 |(0xf<<4);
s2440IOP->rGPFCON = 0x5502;
s2440IOP->rGPFUP = 0xf7;
//*** PORT G GROUP
//Ports : GPG15 GPG14 GPG13 GPG12 GPG11 GPG10 GPG9 GPG8 GPG7 GPG6
//Signal : nYPON YMON nXPON XMON EINT19 DMAMODE1 DMAMODE0 DMASTART KBDSPICLK KBDSPIMOSI
//Setting: OUT OUT OUT OUT OUT OUT OUT OUT OUT OUT
//Binary : 01 01, 01 01, 01-dbg 01, 01 01, 01 01
//PU_OFF : 1 1 1 1, 1-ext 1 1 1, 1 1
//---------------------------------------------------------------------------------------
//Ports : GPG5 GPG4 GPG3 GPG2 GPG1 GPG0
//Signal : KBDSPIMISO LCD_PWREN EINT11 nSS_SPI IRQ_LAN IRQ_PCMCIA
//Setting: IN IN EINT11 IN IN IN
//Binary : 00 00, 10 00, 00 00
//PU_OFF : 0-ext 0, 1-ext 0 0 0
#if 0
s2440IOP->rGPGDAT = 0x0 |(1<<11)|(1<<15)|(1<<14)|(1<<13)|(1<<12)|(1<<9)|(1<<8)|(1<<7)|(1<<6) ;
s2440IOP->rGPGCON = 0x55455080; //GPG11=OUT //for debug
s2440IOP->rGPGUP = 0xfbc8;
#else // Modified for 2440
s2440IOP->rGPGDAT = 0;
s2440IOP->rGPGCON = 0x00000000;
s2440IOP->rGPGUP = 0x0;
#endif
//*** PORT H GROUP
//Ports : GPH10 GPH9 GPH8 GPH7 GPH6 GPH5 GPH4 GPH3 GPH2 GPH1 GPH0
//Signal : CLKOUT1 CLKOUT0 UCLK nCTS1 nRTS1 RXD1 TXD1 RXD0 TXD0 nRTS0 nCTS0
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