2018年11月26日 | 2416RBG接口LCD换成I80接口LCD驱动修改NK部分

在 OEMInit 里面初始化 LCD 。

1、初始化 IO 

       volatile S3C2416_IOPORT_REG *s2450IOP = (S3C2416_IOPORT_REG *)OALPAtoVA(S3C2416_BASE_REG_PA_IOPORT, FALSE);

    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->GPBDAT &= ~(1<<1);

2、初始化 LCD 控制寄存器和 EBOOT 的方法一样。

3、初始化 系统 LCD 

void LCDC_Common_Init(void)

{

volatile S3C2416_LCD_REG    *s2450LCD = (S3C2416_LCD_REG *)OALPAtoVA(S3C2416_BASE_REG_PA_LCD, FALSE);

    s2450LCD->VIDCON0 = VIDCON0_S_CPU_IF_MAIN|VIDCON0_S_RGB_PAR|VIDCON0_S_VCLK_GATING_OFF|\

    VIDCON0_S_CLKDIR_DIVIDED|VIDCON0_S_CLKSEL_HCLK;

// s2450LCD->WINCON0 |= (1<<23) ;

s2450LCD->SYSIFCON0 = (0<<16)|(0<<12)|(0<<8)|(0<<4)|(1<<2)|(1<<1)|(1);

    s2450LCD->VIDTCON2 = ((320-1)<<11)|(240-1);

}

void Basic_Display_Setting(void)

{

volatile S3C2416_LCD_REG    *s2450LCD = (S3C2416_LCD_REG *)OALPAtoVA(S3C2416_BASE_REG_PA_LCD, FALSE);

    volatile S3C2416_INTR_REG    *s2450INTR = (S3C2416_INTR_REG *)OALPAtoVA(S3C2416_BASE_REG_PA_INTR, FALSE);

    int i,x,y;

    unsigned short *pFB,*pFB1;

#if 1

    s2450LCD->WINCON1 = (0<<23)|(0<<22)|(0<<16)|(1<<9)|(5<<2); 

    s2450LCD->VIDOSD1A =(0<<11)|(0);

    s2450LCD->VIDOSD1B =((240-1)<<11)|(320-1);

    s2450LCD->VIDW01ADD0 = (UINT32)IMAGE_FRAMEBUFFER_DMA_BASE;

    s2450LCD->VIDW01ADD1 = (UINT32)IMAGE_FRAMEBUFFER_DMA_BASE + ((240*2)*320);

    s2450LCD->VIDW01ADD2 = (0<<13)|(240*2);

    s2450LCD->WIN1MAP=0;

    s2450LCD->VIDOSD1C=0;

    s2450LCD->W1KEYCON0=0;

    s2450LCD->W1KEYCON1=0;

    s2450INTR->INTMSK1 &= ~(1<<16);

    s2450LCD->VIDINTCON = (0x3f<<20)|(1<<19)|(1<<18)|(1<<17)|(1<<0); //Main & Sub Sending complete

    s2450INTR->INTSUBMSK |= (0x7 << 15);    // MASK all LCD Sub Interrupt

s2450INTR->INTSUBMSK &= ~(1<<17);//i80 I/F

    pFB = (unsigned short *)IMAGE_FRAMEBUFFER_UA_BASE;

wr_cmd(0x0020);

wr_data(0);

wr_cmd(0x0021);

wr_data(0);

    wr_cmd(0x0022); 

    delayLoop(50000);

    s2450LCD->SIFCCON0 &= ~(1<<6); // nWE disable

    s2450LCD->SIFCCON0 |= (1<<8); // nCS0(Main) disable

    s2450LCD->SIFCCON0 |= (1<<1); // RS high

    s2450LCD->SIFCCON0 &= ~(1<<0); // command mode disable

for(y=0;y<320*240;y++)

{

      //  *pFB++ =kay16bpp[y];

        *pFB++ =0x001f;

}

    s2450LCD->WINCON1 |= 0x01;

    s2450LCD->VIDCON0 |=0x03;

    s2450LCD->CPUTRIGCON2 = 1;

    //while(1);

#endif

}

到这里 LCD 应该跑起来了， 到最后的 DISPLAY 部分了

4、DISPLAY 文件夹部分。

     发现 LDI_LTE480WV_RGB 类型的 LCD 刚好是 240*320 的 CPU 接口 LCD

    结果把 LCD 类型设置为 LDI_LTE480WV_RGB 就可以了~！