📄 init.c
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#if LTV350
Write_LDI_LTV350(0x0a,0x2000);
#else
Write_LDI_LTV350(0x09,0x4055);
#endif
// delay about 50ms
delayLoop(LCD_DELAY_1MS*50);
///////////////////////////////////////////////////////////////////
// Instruction Setting
///////////////////////////////////////////////////////////////////
#if LTV350
Write_LDI_LTV350(0x01,0x409d);
Write_LDI_LTV350(0x02,0x0204);
Write_LDI_LTV350(0x03,0x2100);
Write_LDI_LTV350(0x04,0x1000);
Write_LDI_LTV350(0x05,0x5003);
Write_LDI_LTV350(0x06,0x0009); //vbp
Write_LDI_LTV350(0x07,0x000f); //hbp
Write_LDI_LTV350(0x08,0x0800);
Write_LDI_LTV350(0x10,0x0000);
Write_LDI_LTV350(0x11,0x0000);
Write_LDI_LTV350(0x12,0x000f);
Write_LDI_LTV350(0x13,0x1f00);
Write_LDI_LTV350(0x14,0x0000);
Write_LDI_LTV350(0x15,0x0000);
Write_LDI_LTV350(0x16,0x0000);
Write_LDI_LTV350(0x17,0x0000);
Write_LDI_LTV350(0x18,0x0000);
Write_LDI_LTV350(0x19,0x0000);
#else
Write_LDI_LTV350(0x01,0x409d);
Write_LDI_LTV350(0x02,0x0204);
Write_LDI_LTV350(0x03,0x0100);
Write_LDI_LTV350(0x04,0x3000);
Write_LDI_LTV350(0x05,0x4003);
Write_LDI_LTV350(0x06,0x0009); //vbp
Write_LDI_LTV350(0x07,0x000f); //hbp
Write_LDI_LTV350(0x08,0x0c00);
Write_LDI_LTV350(0x10,0x0103);
Write_LDI_LTV350(0x11,0x0301);
Write_LDI_LTV350(0x12,0x1f0f);
Write_LDI_LTV350(0x13,0x1f0f);
Write_LDI_LTV350(0x14,0x0707);
Write_LDI_LTV350(0x15,0x0307);
Write_LDI_LTV350(0x16,0x0707);
Write_LDI_LTV350(0x17,0x0000);
Write_LDI_LTV350(0x18,0x0004);
Write_LDI_LTV350(0x19,0x0000);
#endif
// delay about 2 frames
delayLoop(LCD_DELAY_1MS*50);
///////////////////////////////////////////////////////////////////
// Display On Sequence
///////////////////////////////////////////////////////////////////
#if LTV350
Write_LDI_LTV350(0x09,0x4a55);
Write_LDI_LTV350(0x0a,0x2000);
#else
Write_LDI_LTV350(0x09,0x4a55);
Write_LDI_LTV350(0x05,0x5003);
#endif
}
void Delay(void)
{
volatile int i;
for(i=0 ; i < 1000 ; i++)
{
}
}
#if (BSP_TYPE == BSP_SMDK2443)
static void InitDisplay(void)
{
UINT8 pagewidth_in_byte=0,offsize_in_byte=0;
volatile S3C2450_IOPORT_REG *s2450IOP = (S3C2450_IOPORT_REG *)OALPAtoVA(S3C2450_BASE_REG_PA_IOPORT, FALSE);
volatile S3C2450_LCD_REG *s2450LCD = (S3C2450_LCD_REG *)OALPAtoVA(S3C2450_BASE_REG_PA_LCD, FALSE);
volatile S3C2450_INTR_REG *s2450INTR = (S3C2450_INTR_REG *)OALPAtoVA(S3C2450_BASE_REG_PA_INTR, FALSE);
UINT8 clkval=0;
UINT16 hsync_cnt,vclk_cnt;
UINT16 lcd_horizon_value,lcd_line_value;
UINT8 lcd_vbpd,lcd_vfpd,lcd_vspw,lcd_hbpd,lcd_hfpd,lcd_hspw;
UINT8 lcd_frame_rate;
UINT16 * pFB = NULL;
RETAILMSG(1,(TEXT("InitDisplay : SMDK2443\n")));
s2450IOP->MISCCR |= (1<<28); // select LCD controller for TFT lcd controller
s2450IOP->GPCUDP = 0xFFFFFFFF;
s2450IOP->GPCCON = 0xAAAAAAAA;
s2450IOP->GPDUDP = 0xFFFFFFFF;
s2450IOP->GPDCON = 0xAAAAAAAA;
#if 1 // tempory
s2450IOP->GPBCON = (s2450IOP->GPBCON & ~(3<<8)) | (1<<8); // Backlight Pwm control
s2450IOP->GPBDAT |= (1<<8);
#else // control the backlight using pwm timer output
s2450IOP->GPBCON = (s2450IOP->GPBCON & ~(3<<8)) | (2<<8); // set Timer out
#endif
s2450IOP->GPBCON = (s2450IOP->GPBCON & ~(3<<2)) |(1<<2);
s2450IOP->GPBDAT |= (1<<1);
switch(LCD_MODULE_TYPE)
{
case LCD_MODULE_LTV350:
lcd_horizon_value = LTV350_HOZVAL;
lcd_line_value = LTV350_LINEVAL;
lcd_vbpd = LTV350_VBPD;
lcd_vfpd = LTV350_VFPD;
lcd_vspw = LTV350_VSPW;
lcd_hbpd = LTV350_HBPD;
lcd_hfpd = LTV350_HFPD;
lcd_hspw = LTV350_HSPW;
lcd_frame_rate = LTV350_FRAME_RATE;
InitLDI_LTV350();
break;
default:
break;
}
pagewidth_in_byte = lcd_horizon_value/8*16;
offsize_in_byte = 0;
s2450LCD->WINCON0 &= ~0x01;
s2450LCD->WINCON1 &= ~0x01;
s2450LCD->VIDCON0 &= (~3); // ENVID Off using Per Frame method
s2450LCD->VIDCON0 = VIDCON0_S_RGB_IF|VIDCON0_S_RGB_PAR|VIDCON0_S_VCLK_GATING_OFF|VIDCON0_S_CLKDIR_DIVIDED|VIDCON0_S_CLKSEL_HCLK;
hsync_cnt = (lcd_vbpd+lcd_vfpd+lcd_vspw+lcd_line_value);
vclk_cnt = (lcd_hbpd+lcd_hfpd+lcd_hspw+lcd_horizon_value);
clkval = (UINT8)(((float)S3C2450_SCLK/(float)(hsync_cnt*vclk_cnt*lcd_frame_rate))+0.5)-1;
s2450LCD->VIDCON0 |= (clkval <<VIDCON0_CLKVAL_F_SHIFT)|VIDCON0_S_CLKSEL_UPLL;
s2450LCD->VIDCON1 = VIDCON1_S_HSYNC_INVERTED|VIDCON1_S_VSYNC_INVERTED;
s2450LCD->VIDTCON0=((lcd_vbpd-1)<<VIDTCON0_BPD_S)|((lcd_vfpd-1)<<VIDTCON0_FPD_S)|(lcd_vspw-1);
s2450LCD->VIDTCON1=((lcd_hbpd-1)<<VIDTCON0_BPD_S)|((lcd_hfpd-1)<<VIDTCON0_FPD_S)|(lcd_hspw-1);
s2450LCD->VIDTCON2 = ((lcd_line_value-1)<<VIDTCON2_LINEVAL_S)|(lcd_horizon_value-1);
s2450LCD->WINCON0 = (0<<WINCON_SWAP_S)|(WINCONx_16WORD_BURST<<WINCON_BURSTLEN_S)|(WINCONx_16BPP_565<<WINCON_BPP_S); // 4word burst, 16bpp,
s2450LCD->VIDOSD0A = (0<<VIDOSDxAB_HORIZON_X_S)|(0);
s2450LCD->VIDOSD0B = ((lcd_horizon_value-1)<<VIDOSDxAB_HORIZON_X_S)|(lcd_line_value-1);
s2450LCD->VIDW00ADD0B0 = (UINT32)IMAGE_FRAMEBUFFER_DMA_BASE;
s2450LCD->VIDW00ADD1B0 = (UINT32)IMAGE_FRAMEBUFFER_DMA_BASE + (LCD_XSIZE_TFT*LCD_YSIZE_TFT*2);
s2450LCD->VIDW00ADD2B0 = (offsize_in_byte<<VIDWxADD2_OFFSET_SIZE_S)|(LCD_XSIZE_TFT*2);
s2450LCD->WINCON0 |= (1<<WINCON_SWAP_S);
s2450LCD->WINCON0 |= 0x1;
s2450LCD->VIDCON0 |= 0x3;
s2450INTR->INTSUBMSK |= (0xf << IRQ_SUB_LCD1); // MASK all LCD Sub Interrupt
}
#elif (BSP_TYPE == BSP_SMDK2450)
static void InitDisplay(void)
{
UINT8 pagewidth_in_byte=0,offsize_in_byte=0;
volatile S3C2450_IOPORT_REG *s2450IOP = (S3C2450_IOPORT_REG *)OALPAtoVA(S3C2450_BASE_REG_PA_IOPORT, FALSE);
volatile S3C2450_LCD_REG *s2450LCD = (S3C2450_LCD_REG *)OALPAtoVA(S3C2450_BASE_REG_PA_LCD, FALSE);
volatile S3C2450_INTR_REG *s2450INTR = (S3C2450_INTR_REG *)OALPAtoVA(S3C2450_BASE_REG_PA_INTR, FALSE);
UINT8 clkval=0;
UINT16 hsync_cnt,vclk_cnt;
UINT16 lcd_horizon_value,lcd_line_value;
UINT8 lcd_vbpd,lcd_vfpd,lcd_vspw,lcd_hbpd,lcd_hfpd,lcd_hspw;
UINT8 lcd_frame_rate;
int i;
unsigned short *pFB;
s2450IOP->MISCCR |= (1<<28); // select LCD controller for TFT lcd controller
s2450IOP->GPCUDP = 0xFFFFFFFF;
s2450IOP->GPCCON = 0xAAAAAAAA;
s2450IOP->GPDUDP = 0xFFFFFFFF;
s2450IOP->GPDCON = 0xAAAAAAAA;
s2450IOP->GPLCON = s2450IOP->GPLCON & ~(0x3ff<<20) | (0x1<< 28) | (0x1<< 26) | (0x1<< 24) | (0x1<< 22) | (0x1<< 20);
s2450IOP->GPLDAT |= (0x1f<<10);
s2450IOP->GPBUDP &= ~0x3;
s2450IOP->GPBCON = (s2450IOP->GPBCON & ~((3<<6)|(3<<2)|(3<<0))) | ((1<<6)|(1<<2)|(1<<0)); // Backlight Pwm control
s2450IOP->GPBDAT |=((1<<0) |(1<<3));
s2450IOP->GPBDAT &= ~(1<<1);
#if (LCD_MODULE_TYPE == LCD_MODULE_LTE480WV)
lcd_horizon_value = LTE480_HOZVAL;
lcd_line_value = LTE480_LINEVAL;
lcd_vbpd = LTE480_VBPD;
lcd_vfpd = LTE480_VFPD;
lcd_vspw = LTE480_VSPW;
lcd_hbpd = LTE480_HBPD;
lcd_hfpd = LTE480_HFPD;
lcd_hspw = LTE480_HSPW;
lcd_frame_rate = LTE480_FRAME_RATE;
InitLDI_LTE480();
#elif (LCD_MODULE_TYPE == LCD_MODULE_LTV350)
lcd_horizon_value = LTV350_HOZVAL;
lcd_line_value = LTV350_LINEVAL;
lcd_vbpd = LTV350_VBPD;
lcd_vfpd = LTV350_VFPD;
lcd_vspw = LTV350_VSPW;
lcd_hbpd = LTV350_HBPD;
lcd_hfpd = LTV350_HFPD;
lcd_hspw = LTV350_HSPW;
lcd_frame_rate = LTV350_FRAME_RATE;
InitLDI_LTV350();
#endif
pagewidth_in_byte = lcd_horizon_value/8*16;
offsize_in_byte = 0;
s2450LCD->WINCON0 &= ~0x01;
s2450LCD->WINCON1 &= ~0x01;
s2450LCD->VIDCON0 &= (~3); // ENVID Off using Per Frame method
s2450LCD->VIDCON0 = VIDCON0_S_RGB_IF|VIDCON0_S_RGB_PAR|VIDCON0_S_VCLK_GATING_OFF|VIDCON0_S_CLKDIR_DIVIDED|VIDCON0_S_CLKSEL_HCLK;
hsync_cnt = (lcd_vbpd+lcd_vfpd+lcd_vspw+lcd_line_value);
vclk_cnt = (lcd_hbpd+lcd_hfpd+lcd_hspw+lcd_horizon_value);
clkval = (UINT8)(((float)S3C2450_HCLK/(float)(hsync_cnt*vclk_cnt*lcd_frame_rate*2))+0.5)-1;
s2450LCD->VIDCON0 |= (clkval <<VIDCON0_CLKVAL_F_SHIFT);
s2450LCD->VIDCON1 = VIDCON1_S_HSYNC_INVERTED|VIDCON1_S_VSYNC_INVERTED;
s2450LCD->VIDTCON0=((lcd_vbpd-1)<<VIDTCON0_BPD_S)|((lcd_vfpd-1)<<VIDTCON0_FPD_S)|(lcd_vspw-1);
s2450LCD->VIDTCON1=((lcd_hbpd-1)<<VIDTCON0_BPD_S)|((lcd_hfpd-1)<<VIDTCON0_FPD_S)|(lcd_hspw-1);
s2450LCD->VIDTCON2 = ((lcd_line_value-1)<<VIDTCON2_LINEVAL_S)|(lcd_horizon_value-1);
s2450LCD->WINCON0 = (0<<WINCON_SWAP_S)|(WINCONx_16WORD_BURST<<WINCON_BURSTLEN_S)|(WINCONx_16BPP_565<<WINCON_BPP_S); // 4word burst, 16bpp,
s2450LCD->VIDOSD0A = (0<<VIDOSDxAB_HORIZON_X_S)|(0);
s2450LCD->VIDOSD0B = ((lcd_horizon_value-1)<<VIDOSDxAB_HORIZON_X_S)|(lcd_line_value-1);
s2450LCD->VIDW00ADD0B0 = (UINT32)IMAGE_FRAMEBUFFER_DMA_BASE;
s2450LCD->VIDW00ADD1B0 = (UINT32)IMAGE_FRAMEBUFFER_DMA_BASE + (LCD_WIDTH*LCD_HEIGHT*2);
s2450LCD->VIDW00ADD2B0 = (offsize_in_byte<<VIDWxADD2_OFFSET_SIZE_S)|(LCD_WIDTH*2);
s2450LCD->WINCON0 |= (1<<WINCON_SWAP_S);
s2450LCD->WINCON0 |= 0x1;
s2450LCD->VIDCON0 |= 0x3;
s2450INTR->INTSUBMSK |= (0xf << IRQ_SUB_LCD1); // MASK all LCD Sub Interrupt
if( LCD_MODULE_TYPE == LCD_MODULE_LTV350){
memcpy((void *)IMAGE_FRAMEBUFFER_UA_BASE, prayer16bpp, LCD_ARRAY_SIZE_TFT_16BIT);
}
else if(LCD_MODULE_TYPE == LCD_MODULE_LTE480WV){
pFB = (unsigned short *)IMAGE_FRAMEBUFFER_UA_BASE;
for (i=0; i<LCD_WIDTH*LCD_HEIGHT; i++)
*pFB++ = 0x001F; // Blue
}
}
#endif
void ConfigureGPIO()
{
volatile S3C2450_IOPORT_REG *s2450IOP = (S3C2450_IOPORT_REG *)OALPAtoVA(S3C2450_BASE_REG_PA_IOPORT, FALSE);
volatile S3C2450_CLKPWR_REG *s2450CLKPWR = (S3C2450_CLKPWR_REG *)OALPAtoVA(S3C2450_BASE_REG_PA_CLOCK_POWER, FALSE);
}
#ifdef DVS_EN
#define UNDERSHOOT_WORKAROUND
/// @func ChangeVoltage
///
BOOL ChangeVoltage(int which, int *voltage_table)
{
volatile int i;
if((which & ARM_INT_VDD) == 0)
{
RETAILMSG(1,(TEXT("not defined voltage source to change. Voltage is not changed\n")));
return FALSE;
}
else if(which == ARM_INT_VDD)
{
#ifdef UNDERSHOOT_WORKAROUND
{
volatile int i;
for(i=0;i<VOLTAGEDELAY*2;i++);
}
#endif
Max1718_Set(ARM_VDD, voltage_table[0]);
Max1718_Set(INT_VDD, voltage_table[1]);
if( CurrVoltage[0] < voltage_table[0]) ///< the voltage is change to higher
{
/// Regulator Delay
for(i=0; i < VOLTAGEDELAY; i++);
}
CurrVoltage[0] = voltage_table[0]; ///< ARM Voltage
CurrVoltage[1] = voltage_table[1]; ///< Int Voltage
}
else
{
#ifdef UNDERSHOOT_WORKAROUND
{
volatile int i;
for(i=0;i<VOLTAGEDELAY*2;i++);
}
#endif
Max1718_Set(which, voltage_table[which-1]);
if( CurrVoltage[which-1] < voltage_table[which-1]) ///< the voltage is change to higher
{
/// Regulator Delay
for(i=0; i < VOLTAGEDELAY; i++);
}
CurrVoltage[which-1] = voltage_table[which-1];
}
return TRUE;
}
/// Input ARM_VDD : 1
/// INT_VDD : 2
/// Returns
/// Current Voltage
int GetCurrentVoltage(int which)
{
if ((which == ARM_VDD ) || (which == INT_VDD))
{
return CurrVoltage[which-1];
}
else
{
return 0;
}
}
#endif
//------------------------------------------------
// MAX1718 ARM core, internal regulator setting added 06.07.03 JJG
//------------------------------------------------
#if (BSP_TYPE == BSP_SMDK2443)
void Max1718_Init(int LatchOut_OnOff) // add 060624
{
volatile S3C2450_IOPORT_REG *s2450IOP = (S3C2450_IOPORT_REG *)OALPAtoVA(S3C2450_BASE_REG_PA_IOPORT, FALSE);
//////////////////////////////////////////////
// GPF3 GPF4 GPF5 GPF6 GPF7
// D4 D3 D2 D1 D0
// 0 0 0 0 0 // 1.75V
// 0 0 0 0 1 // 1.70V
// 0 0 0 1 0 // 1.65V
// 0 0 0 1 1 // 1.60V
// 0 0 1 0 0 // 1.55V
// 0 0 1 0 1 // 1.50V
// 0 0 1 1 0 // 1.45V, Max. voltage of S3C2450 VDDarm
// 0 0 1 1 1 // 1.40V
// 0 1 0 0 0 // 1.35V
// 0 1 0 0 1 // 1.30V
// 0 1 0 1 0 // 1.25V
// 0 1 0 1 1 // 1.20V
// 0 1 1 0 0 // 1.15V
// 0 1 1 0 1 // 1.10V
// 0 1 1 1 0 // 1.05V
// 0 1 1 1 1 // 1.00V
// 1 0 0 0 1 // 0.95V
// 1 0 0 1 1 // 0.90V
// 1 0 1 0 1 // 0.85V
// 1 0 1 1 1 // 0.80V
if(LatchOut_OnOff == TRUE)
{
RETAILMSG(1,(TEXT("I GPFDAT: %x, GPFCON: %x, EXTINT0: %x, GPGDAT: %x, GPGCON: %x, EXTINT1: %x, GPBDAT: %x, GPBCON: %x, GPBUDP: %x\n"),
s2450IOP->GPFDAT, s2450IOP->GPFCON, s2450IOP->EXTINT0,
s2450IOP->GPGDAT, s2450IOP->GPGCON, s2450IOP->EXTINT1,
s2450IOP->GPBDAT, s2450IOP->GPBCON, s2450IOP->GPBUDP));
s2450IOP->GPFCON = s2450IOP->GPFCON & ~(0x3ff<<6)|(0x155<<6); // GPF3 ~ 7(Data5 ~ 1): OUTPUT
// Always pull down, and force driving by GPFDAT to high
s2450IOP->GPGCON = s2450IOP->GPGCON & ~(0xf<<12)|(0x5<<12); // GPG6(nARM_REG_LE), GPG7(CORE_REG_OE): OUTPUT
s2450IOP->GPGUDP = s2450IOP->GPGUDP & ~(0xf<<12)|(0xa<<12); // pull down disable
s2450IOP->GPBCON = s2450IOP->GPBCON & ~(0x3<<4)|(0x1<<4); // GPB2(nINT_REG_LE): OUTPUT
s2450IOP->GPBUDP = s2450IOP->GPBUDP & ~(0x3<<4)|(0x2<<4); // pull down disable
s2450IOP->GPGDAT|=(1<<7); //Output enable
s2450IOP->GPGDAT&=~(1<<6); //Arm Latch enable
s2450IOP->GPFDAT=(s2450IOP->GPFDAT&~(0x1f<<3))|(0<<3)|(1<<4)|(0<<5)|(0<<6)|(0<<7); //1.35V
s2450IOP->GPGDAT|=(1<<6); //Arm Latch disable
s2450IOP->GPBDAT&=~(1<<2); //Int Latch enable
s2450IOP->GPFDAT=(s2450IOP->GPFDAT&~(0x1f<<3))|(0<<3)|(1<<4)|(0<<5)|(1<<6)|(1<<7); //1.2V
s2450IOP->GPBDAT|=(1<<2); //Int Latch diaable
RETAILMSG(1,(TEXT("E GPFDAT: %x, GPFCON: %x, EXTINT0: %x, GPGDAT: %x, GPGCON: %x, EXTINT1: %x, GPBDAT: %x, GPBCON: %x, GPBUDP: %x\n"),
s2450IOP->GPFDAT, s2450IOP->GPFCON, s2450IOP->EXTINT0,
s2450IOP->GPGDAT, s2450IOP->GPGCON, s2450IOP->EXTINT1,
s2450IOP->GPBDAT, s2450IOP->GPBCON, s2450IOP->GPBUDP));
}
else
{
s2450IOP->GPGDAT&=~(1<<7); //Output Disable
}
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