📄 init.c
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volatile S3C2440X_LCD_REG *s2440LCD = (S3C2440X_LCD_REG *)OALPAtoVA(S3C2440X_BASE_REG_PA_LCD, FALSE);
unsigned int clkval_calc; // 040507
// Set up the LCD controller registers to display a power-on bitmap image.
//
s2440IOP->GPCUP = 0xFFFFFFFF;
s2440IOP->GPCCON = 0xAAAAAAAA;
s2440IOP->GPDUP = 0xFFFFFFFF;
s2440IOP->GPDCON = 0xAAAAAAAA;
clkval_calc = (WORD)((float)(S3C2440X_HCLK)/(2.0*5000000)+0.5)-1;
s2440LCD->LCDCON1 = (clkval_calc << 8) | /* VCLK = HCLK / ((CLKVAL + 1) * 2) -> About 7 Mhz */
(LCD_MVAL << 7) | /* 0 : Each Frame */
(3 << 5) | /* TFT LCD Pannel */
(12 << 1) | /* 16bpp Mode */
(0 << 0) ; /* Disable LCD Output */
s2440LCD->LCDCON2 = (LCD_VBPD << 24) | /* VBPD : 1 */
(LCD_LINEVAL_TFT << 14) | /* Vertical Size : 320 - 1 */
(LCD_VFPD << 6) | /* VFPD : 2 */
(LCD_VSPW << 0) ; /* VSPW : 1 */
s2440LCD->LCDCON3 = (LCD_HBPD << 19) | /* HBPD : 6 */
(LCD_HOZVAL_TFT << 8) | /* HOZVAL_TFT : 240 - 1 */
(LCD_HFPD << 0) ; /* HFPD : 2 */
s2440LCD->LCDCON4 = (LCD_MVAL << 8) | /* MVAL : 13 */
(LCD_HSPW << 0) ; /* HSPW : 4 */
s2440LCD->LCDCON5 = (0 << 12) | /* BPP24BL : LSB valid */
(1 << 11) | /* FRM565 MODE : 5:6:5 Format */
(0 << 10) | /* INVVCLK : VCLK Falling Edge */
(1 << 9) | /* INVVLINE : Inverted Polarity */
(1 << 8) | /* INVVFRAME : Inverted Polarity */
(0 << 7) | /* INVVD : Normal */
(0 << 6) | /* INVVDEN : Normal */
(0 << 5) | /* INVPWREN : Normal */
(0 << 4) | /* INVENDLINE : Normal */
(1 << 3) | /* PWREN : Disable PWREN */
(0 << 2) | /* ENLEND : Disable LEND signal */
(0 << 1) | /* BSWP : Swap Disable */
(1 << 0) ; /* HWSWP : Swap Enable */
s2440LCD->LCDSADDR1 = ((IMAGE_FRAMEBUFFER_DMA_BASE >> 22) << 21) |
((M5D(IMAGE_FRAMEBUFFER_DMA_BASE >> 1)) << 0);
s2440LCD->LCDSADDR2 = M5D((IMAGE_FRAMEBUFFER_DMA_BASE + (LCD_XSIZE_TFT * LCD_YSIZE_TFT * 2)) >> 1);
s2440LCD->LCDSADDR3 = (((LCD_XSIZE_TFT - LCD_XSIZE_TFT) / 1) << 11) | (LCD_XSIZE_TFT / 1);
//s2440LCD->LPCSEL |= 0x3;
s2440LCD->LPCSEL &= (~7);
s2440LCD->LPCSEL |= (0x1<<4);
s2440LCD->TPAL = 0x0;
s2440LCD->LCDCON1 |= 1;
// Display a bitmap image on the LCD...
//
memcpy((void *)IMAGE_FRAMEBUFFER_UA_BASE, ScreenBitmap, LCD_ARRAY_SIZE_TFT_16BIT);
#ifdef DVS_EN
#if (DVS_METHOD == 1 || DVS_METHOD == 3)
// Enable LCD Interrupt for DVS + CLOCK Change.
s2440LCD->LCDINTMSK = (1); // UnMASK LCD Frame Sub Interrupt
//s2440INT->INTMSK &= ~(1 << IRQ_LCD);
//RETAILMSG(1,(TEXT("-E5-\r\n")));
#endif
#endif
}
void Port_Init(void)
{
volatile S3C2440X_IOPORT_REG *s2440IOP = (S3C2440X_IOPORT_REG *)OALPAtoVA(S3C2440X_BASE_REG_PA_IOPORT, FALSE);
//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
//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
s2440IOP->GPACON = 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 OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT
//Binary : 00 , 01 00 , 01 00 , 01 01 , 01 01 , 01 01
s2440IOP->GPBDAT |= ((1 << 10)|(1 << 8));
s2440IOP->GPBCON = 0x154555;
s2440IOP->GPBUP = 0x7ff; // The pull up function is disabled GPB[10:0]
//*** 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
//Binary : 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10
s2440IOP->GPCCON = 0xaaaaaaaa;
s2440IOP->GPCUP = 0xffff; // The pull up function is disabled GPC[15:0]
//*** 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
//Binary : 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 ,10 10
s2440IOP->GPDCON = 0xaaaaaaaa;
s2440IOP->GPDUP = 0xffff; // The pull up function is disabled GPD[15:0]
//*** PORT E GROUP
//Ports : GPE15 GPE14 GPE13 GPE12 GPE11 GPE10 GPE9 GPE8 GPE7 GPE6 GPE5 GPE4
//Signal : IICSDA IICSCL SPICLK SPIMOSI SPIMISO SDDATA3 SDDATA2 SDDATA1 SDDATA0 SDCMD SDCLK I2SSDO
//Binary : 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 ,
//-------------------------------------------------------------------------------------------------------
//Ports : GPE3 GPE2 GPE1 GPE0
//Signal : I2SSDI CDCLK I2SSCLK I2SLRCK
//Binary : 10 10 , 10 10
s2440IOP->GPECON = 0xaaaaaaaa;
s2440IOP->GPEUP = 0xffff; // The pull up function is disabled GPE[15:0]
//*** 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 EINT3 OUTPUT EINT1 EINT0
//Binary : 01 01 , 01 01 , 10 01 , 10 10
s2440IOP->GPFCON = 0x559a;
s2440IOP->GPFUP = 0xff; // The pull up function is disabled GPF[7:0]
s2440IOP->GPFDAT |= 1<<2;
//*** 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: nYPON YMON nXPON XMON EINT19 Output Output Output SPICLK1 SPIMOSI1
//Binary : 11 11 , 11 11 , 10 01 , 01 01 , 11 11
//-----------------------------------------------------------------------------------------
//Ports : GPG5 GPG4 GPG3 GPG2 GPG1 GPG0
//Signal : KBDSPIMISO LCD_PWREN EINT11 nSS_SPI IRQ_LAN IRQ_PCMCIA
//Setting: SPIMISO1 LCD_PWRDN EINT11 nSS0 EINT9 EINT8
//Binary : 11 11 , 10 11 , 10 10
s2440IOP->GPGCON = 0xfd95ffba;
s2440IOP->GPGUP = 0xffff; // The pull up function is disabled GPG[15:0]
s2440IOP->GPGDAT = 0xffff;
//*** 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
//Binary : 01 , 01 10 , 11 11 , 10 10 , 10 10 , 10 10
s2440IOP->GPHCON = 0x16faaa;
s2440IOP->GPHUP = 0x7ff; // The pull up function is disabled GPH[10:0]
//External interrupt will be falling edge triggered.
s2440IOP->EXTINT0 = 0x22222222; // EINT[7:0]
s2440IOP->EXTINT1 = 0x22222222; // EINT[15:8]
s2440IOP->EXTINT2 = 0x22222222; // EINT[23:16]
}
#ifdef DVS_EN
void ChangeVoltage(int vtg)
{
volatile S3C2440X_IOPORT_REG *s2440IOP = (S3C2440X_IOPORT_REG *)OALPAtoVA(S3C2440X_BASE_REG_PA_IOPORT, FALSE);
UINT8 temp;
// port setting
// GPF4:D0, GPF5:D1, GPF6:D2, GPF7:D3, GPB7:D4, GPB8:Latch enable
CurrVoltage = vtg;
temp = s2440IOP->GPFDAT;
switch(vtg) {
case V090: // 0.9V
s2440IOP->GPBDAT=(s2440IOP->GPBDAT&0x77f)|(1<<7); //D4
s2440IOP->GPFDAT=(s2440IOP->GPFDAT&0x0f)|(0<<7)|(0<<6)|(1<<5)|(1<<4); //D3~0
break;
case V095: // 0.95V
s2440IOP->GPBDAT=(s2440IOP->GPBDAT&0x77f)|(1<<7); //D4
s2440IOP->GPFDAT=(s2440IOP->GPFDAT&0x0f)|(0<<7)|(0<<6)|(0<<5)|(1<<4); //D3~0
break;
case V0975: // 0.975V
s2440IOP->GPBDAT=(s2440IOP->GPBDAT&0x77f)|(1<<7); //D4
s2440IOP->GPFDAT=(s2440IOP->GPFDAT&0x0f)|(0<<7)|(0<<6)|(0<<5)|(0<<4); //D3~0
break;
case V100: // 1.0V
s2440IOP->GPBDAT=(s2440IOP->GPBDAT&0x77f)|(0<<7); //D4
s2440IOP->GPFDAT=(s2440IOP->GPFDAT&0x0f)|(1<<7)|(1<<6)|(1<<5)|(1<<4); //D3~0
break;
case V105: // 1.05V
s2440IOP->GPBDAT=(s2440IOP->GPBDAT&0x77f)|(0<<7); //D4
s2440IOP->GPFDAT=(s2440IOP->GPFDAT&0x0f)|(1<<7)|(1<<6)|(1<<5)|(0<<4); //D3~0
break;
case V110: // 1.1V
s2440IOP->GPBDAT=(s2440IOP->GPBDAT&0x77f)|(0<<7); //D4
s2440IOP->GPFDAT=(s2440IOP->GPFDAT&0x0f)|(1<<7)|(1<<6)|(0<<5)|(1<<4); //D3~0
break;
case V115: // 1.15V
s2440IOP->GPBDAT=(s2440IOP->GPBDAT&0x77f)|(0<<7); //D4
s2440IOP->GPFDAT=(s2440IOP->GPFDAT&0x0f)|(1<<7)|(1<<6)|(0<<5)|(0<<4); //D3~0
break;
case V120: // 1.2V
s2440IOP->GPBDAT=(s2440IOP->GPBDAT&0x77f)|(0<<7); //D4
s2440IOP->GPFDAT=(s2440IOP->GPFDAT&0x0f)|(1<<7)|(0<<6)|(1<<5)|(1<<4); //D3~0
break;
case V125: // 1.25V
s2440IOP->GPBDAT=(s2440IOP->GPBDAT&0x77f)|(0<<7); //D4
s2440IOP->GPFDAT=(s2440IOP->GPFDAT&0x0f)|(1<<7)|(0<<6)|(1<<5)|(0<<4); //D3~0
break;
case V130: // 1.3V
s2440IOP->GPBDAT=(s2440IOP->GPBDAT&0x77f)|(0<<7); //D4
s2440IOP->GPFDAT=(s2440IOP->GPFDAT&0x0f)|(1<<7)|(0<<6)|(0<<5)|(1<<4); //D3~0
break;
case V135: // 1.35V
s2440IOP->GPBDAT=(s2440IOP->GPBDAT&0x77f)|(0<<7); //D4
s2440IOP->GPFDAT=(s2440IOP->GPFDAT&0x0f)|(1<<7)|(0<<6)|(0<<5)|(0<<4); //D3~0
break;
case V140: // 1.4V
s2440IOP->GPBDAT=(s2440IOP->GPBDAT&0x77f)|(0<<7); //D4
s2440IOP->GPFDAT=(s2440IOP->GPFDAT&0x0f)|(0<<7)|(1<<6)|(1<<5)|(1<<4); //D3~0
break;
case V145: // 1.45V
s2440IOP->GPBDAT=(s2440IOP->GPBDAT&0x77f)|(0<<7); //D4
s2440IOP->GPFDAT=(s2440IOP->GPFDAT&0x0f)|(0<<7)|(1<<6)|(1<<5)|(0<<4); //D3~0
break;
case V150: // 1.5V
s2440IOP->GPBDAT=(s2440IOP->GPBDAT&0x77f)|(0<<7); //D4
s2440IOP->GPFDAT=(s2440IOP->GPFDAT&0x0f)|(0<<7)|(1<<6)|(0<<5)|(1<<4); //D3~0
break;
default:
break;
}
// port setting
// GPF4:D0, GPF5:D1, GPF6:D2, GPF7:D3, GPB7:D4, GPB8:Latch enable, GPB10: OE
s2440IOP->GPBCON=(s2440IOP->GPBCON&0x3f3fff)|(1<<14); // GPB7: Output
// s2440IOP->rGPBUP&=~(1<<7);
s2440IOP->GPFCON=(s2440IOP->GPFCON&0x00ff)|(0x5500); // GPF4~7: Output
// s2440IOP->rGPFUP&=~(0xf<<4);
s2440IOP->GPBDAT&=~(1<<8); //Latch enable
s2440IOP->GPBCON=(s2440IOP->GPBCON&0x3cffff)|(1<<16); // GPB8: Output
s2440IOP->GPBDAT|=(1<<10); //Output enable
s2440IOP->GPBCON=(s2440IOP->GPBCON&0x0fffff)|(1<<20); // GPB10: Output
// s2440IOP->rGPBUP&=~(1<<8);
s2440IOP->GPBDAT|=(1<<8); //Latch disable
s2440IOP->GPFDAT = temp;
}
int GetCurrentVoltage()
{
return CurrVoltage;
}
#endif
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