// Function: configure_dss
// This function configures the display sub-system
void configure_dss( unsigned int framebuffer ){
// Configure the clock source
OUTREG32(0x48045040, 1<<8 | 0<<9 | 0<<10 | 0<<12 | 0<<17);//DSI_CTRL
udelay(10000);
// Configure interconnect parameters
// OUTREG32(0x48041010, 1<<0 | 1<<3 | 1<<12 );
OUTREG32(0x48041010, 0x00002015);
udelay(10000);
// Disable any interrupts
OUTREG32(0x4804501c,0);//DSI_IRQENABLE
udelay(10000);
// Over-ride default LCD config
//OUTREG32(DISPC_CONFIG,BSP_LCD_CONFIG);
//OUTREG32(0x48041620, );//DISPC_CONFIG2 in omap4
// Configure graphic window
OUTREG32(0x48041080,framebuffer);//DISPC_GFX_BA_0
// Configure the position of graphic window
OUTREG32(0x48041088,BSP_GFX_POS(g_LogoX,g_LogoY));//DISPC_GFX_POSITION
// Configure the size of graphic window
OUTREG32(0x4804108c,BSP_GFX_SIZE(g_LogoW,g_LogoH));//DISPC_GFX_SIZE
// GW Enabled, RGB24 packed, little Endian
//OUTREG32(0x480410a0,LOGO_GFX_ATTRIBUTES);//DISPC_GFX_ATTRIBUTES
// OUTREG32(0x480410a0,1<<0 | 9<<1);//DISPC_GFX_ATTRIBUTES no crash
// OUTREG32(0x480410a0,1<<30 | 0x3<<26 | 1<<25 | 1<<14 | 1<<0 | 9<<1);//DISPC_GFX_ATTRIBUTES
// OUTREG32(0x480410a0,1<<30 | 0x3<<26 | 1<<25 | 1<<7 | 1<<0 | 9<<1);//DISPC_GFX_ATTRIBUTES
OUTREG32(0x480410a0,1<<30);
udelay(10000);
SETREG32(0x480410a0,0x3<<26);
udelay(10000);
SETREG32(0x480410a0,1<<25);
udelay(10000);
SETREG32(0x480410a0,1<<14);
udelay(10000);
SETREG32(0x480410a0,1<<7);
udelay(10000);
SETREG32(0x480410a0,1<<0 | 6<<1);//DISPC_GFX_ATTRIBUTES
udelay(10000);
//0000 0000 0000 0000 0000 0000 0001 0011
//OUTREG32(0x480410a0,0x42000099);//DISPC_GFX_ATTRIBUTES
OUTREG32(0x480410a4,DISPC_GFX_FIFO_THRESHOLD_R(192,252));//DISPC_GFX_FIFO_THRESHOLD
// OUTREG32(0x480410a4,0x04ff0480);//DISPC_GFX_FIFO_THRESHOLD
//!!! should be modify??
OUTREG32(0x480410ac,1);//DISPC_GFX_ROW_INC
OUTREG32(0x480410b0,1);//DISPC_GFX_PIXEL_INC
OUTREG32(0x480410b4,0);//DISPC_GFX_WINDOW_SKIP
// Configure the LCD
LcdPdd_LCD_Initialize();
}
//------------------------------------------------------------------------------
//
// Function: configure_dss
//
// This function configures the Display Sub System on omap35xx
//
void configure_dss( UINT32 framebuffer )
{
OMAP_DSS_REGS *pDSSRegs = OALPAtoUA(OMAP_DSS1_REGS_PA);
OMAP_DISPC_REGS *pDisplayRegs = OALPAtoUA(OMAP_DISC1_REGS_PA);
HANDLE hGpio = GPIOOpen();
// OALMSG(OAL_INFO, (L"configure_dss+\r\n"));
// Configure the clock source
OUTREG32( &pDSSRegs->DSS_CONTROL,
DSS_CONTROL_DISPC_CLK_SWITCH_DSS1_ALWON |
DSS_CONTROL_DSI_CLK_SWITCH_DSS1_ALWON
);
// Configure interconnect parameters
OUTREG32( &pDSSRegs->DSS_SYSCONFIG, DISPC_SYSCONFIG_AUTOIDLE );
OUTREG32( &pDisplayRegs->DISPC_SYSCONFIG, DISPC_SYSCONFIG_AUTOIDLE|SYSCONFIG_NOIDLE|SYSCONFIG_NOSTANDBY );
// Not enabling any interrupts
OUTREG32( &pDisplayRegs->DISPC_IRQENABLE, 0x00000000 );
// Configure the LCD
LcdPdd_LCD_Initialize( pDSSRegs, pDisplayRegs, NULL, NULL);
// Over-ride default LCD config
OUTREG32(&pDisplayRegs->DISPC_CONFIG,BSP_LCD_CONFIG);
// Configure Graphics Window
//--------------------------
OUTREG32(&pDisplayRegs->DISPC_GFX_BA0 ,framebuffer );
// configure the position of graphics window
OUTREG32(&pDisplayRegs->DISPC_GFX_POSITION,BSP_GFX_POS);
// size of graphics window
OUTREG32(&pDisplayRegs->DISPC_GFX_SIZE,BSP_GFX_SIZE);
// GW Enabled, RGB24 packed, Little Endian
OUTREG32(&pDisplayRegs->DISPC_GFX_ATTRIBUTES,LOGO_GFX_ATTRIBUTES);
OUTREG32(&pDisplayRegs->DISPC_GFX_FIFO_THRESHOLD,BSP_GFX_FIFO_THRESHOLD);
OUTREG32(&pDisplayRegs->DISPC_GFX_ROW_INC,BSP_GFX_ROW_INC);
OUTREG32(&pDisplayRegs->DISPC_GFX_PIXEL_INC,BSP_GFX_PIXEL_INC);
OUTREG32(&pDisplayRegs->DISPC_GFX_WINDOW_SKIP,BSP_GFX_WINDOW_SKIP);
// OALMSG(OAL_INFO, (L"configure_dss-\r\n"));
GPIOClose(hGpio);
}
