📄 init.c
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//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//
// Use of this source code is subject to the terms of the Microsoft end-user
// license agreement (EULA) under which you licensed this SOFTWARE PRODUCT.
// If you did not accept the terms of the EULA, you are not authorized to use
// this source code. For a copy of the EULA, please see the LICENSE.RTF on your
// install media.
//
//------------------------------------------------------------------------------
//
// File: init.c
//
// Samsung SMDK2440A board initialization code.
//
#include <bsp.h>
#include "bitmap.c"
static void InitDisplay(void);
void ConfigureGPIO(void);
//------------------------------------------------------------------------------
//
// Function: OEMInit
//
// This is Windows CE OAL initialization function. It is called from kernel
// after basic initialization is made.
//
void OEMInit()
{
OALMSG(OAL_FUNC, (L"+OEMInit\r\n"));
CEProcessorType=PROCESSOR_STRONGARM;
// Set memory size for DrWatson kernel support
dwNKDrWatsonSize = 128 * 1024;
// Initilize cache globals
OALCacheGlobalsInit();
OALLogSerial(
L"DCache: %d sets, %d ways, %d line size, %d size\r\n",
g_oalCacheInfo.L1DSetsPerWay, g_oalCacheInfo.L1DNumWays,
g_oalCacheInfo.L1DLineSize, g_oalCacheInfo.L1DSize
);
OALLogSerial(
L"ICache: %d sets, %d ways, %d line size, %d size\r\n",
g_oalCacheInfo.L1ISetsPerWay, g_oalCacheInfo.L1INumWays,
g_oalCacheInfo.L1ILineSize, g_oalCacheInfo.L1ISize
);
// Initialize interrupts
if (!OALIntrInit()) {
OALMSG(OAL_ERROR, (
L"ERROR: OEMInit: failed to initialize interrupts\r\n"
));
}
// Initialize system clock
OALTimerInit(1, 17, 0); //S3C2440A_PCLK/245/16/1000=16.992
ConfigureGPIO();
InitDisplay();
// Initialize the KITL connection if required
KITLIoctl (IOCTL_KITL_STARTUP, NULL, 0, NULL, 0, NULL);
OALMSG(OAL_FUNC, (L"-OEMInit\r\n"));
}
//------------------------------------------------------------------------------
static void InitDisplay(void)
{
volatile S3C2440A_IOPORT_REG *s2440IOP = (S3C2440A_IOPORT_REG *)OALPAtoVA(S3C2440A_BASE_REG_PA_IOPORT, FALSE);
volatile S3C2440A_LCD_REG *s2440LCD = (S3C2440A_LCD_REG *)OALPAtoVA(S3C2440A_BASE_REG_PA_LCD, FALSE);
unsigned int clkval_calc; // 040507
// Set up the LCD controller registers to display a power-on bitmap image.
//
#if 0
s2440IOP->GPCUP = 0xFFFFFFFF;
s2440IOP->GPCCON = 0xAAAAAAAA;
s2440IOP->GPEDAT = 0x1;
s2440IOP->GPDUP = 0xFFFFFFFF;
s2440IOP->GPDCON = 0xAAAAAAA1;
#else
s2440IOP->GPCDAT = 0x000000e0;
s2440IOP->GPCUP = 0x0000ffff;
s2440IOP->GPCCON = 0xaaaa56a9;
s2440IOP->GPDDAT = 0x00000000;
s2440IOP->GPDUP = 0x0000ffff;
s2440IOP->GPDCON = 0xaaaaaaaa;
#endif
#if 0
clkval_calc = (WORD)((float)(S3C2440A_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->LCDCON1 =0x678;
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->LCDCON2=0x143C049;
s2440LCD->LCDCON3 = (LCD_HBPD << 19) | /* HBPD : 6 */
(LCD_HOZVAL_TFT << 8) | /* HOZVAL_TFT : 240 - 1 */
(LCD_HFPD << 0) ; /* HFPD : 2 */
s2440LCD->LCDCON3 =0x9DF01;
s2440LCD->LCDCON4 = (LCD_MVAL << 8) | /* MVAL : 13 */
(LCD_HSPW << 0) ; /* HSPW : 4 */
s2440LCD->LCDCON4 = 0x28;
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->LCDCON5 = 0xB00;
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->TCONSEL |= 0x3;
s2440LCD->TCONSEL &= (~7);
s2440LCD->TCONSEL |= (0x1<<4);
s2440LCD->TCONSEL = 0xe0;
s2440LCD->TPAL = 0x0;
s2440LCD->LCDCON1 |= 1;
// Display a bitmap image on the LCD...
//
memset((void *)IMAGE_FRAMEBUFFER_UA_BASE, 0x0, LCD_ARRAY_SIZE_TFT_16BIT);
// memcpy((void *)IMAGE_FRAMEBUFFER_UA_BASE, ScreenBitmap, LCD_ARRAY_SIZE_TFT_16BIT);
#else
#define H_FP 1 /* front porch */
#define H_SW 40 /* Hsync width */
#define H_BP 1 /* Back porch */
#define V_FP 1 /* front porch */
#define V_SW 9 /* Vsync width */
#define V_BP 1 /* Back porch */
#define H_RESOLUTION 480 /* x resolition */
#define V_RESOLUTION 272 /* y resolution */
//#define H_RESOLUTION 272 /* x resolition */
//#define V_RESOLUTION 480 /* y resolution */
#define VFRAME_FREQ 30 /* frame rate freq. */
#define LCD_PIXEL_CLOCK (VFRAME_FREQ *(H_FP+H_SW+H_BP+H_RESOLUTION) * (V_FP+V_SW+V_BP+V_RESOLUTION))
#define DIV S3C2440A_HCLK/(LCD_PIXEL_CLOCK)
clkval_calc = (DIV/2)-1;
if(clkval_calc<0)
clkval_calc = 0;
// clkval_calc = (WORD)((float)(S3C2440A_HCLK)/(2.0*5000000)+0.5)-1;
s2440LCD->LCDCON1 = (clkval_calc << 8) | /* VCLK = HCLK / ((CLKVAL + 1) * 2) -> About 7 Mhz */
(3 << 5) | /* TFT LCD Pannel */
(12 << 1) | /* 16bpp Mode */
// (13 << 1) | /* 24bpp Mode */
(0 << 0) ; /* Disable LCD Output */
s2440LCD->LCDCON2 = (V_BP << 24) | /* VBPD : 1 */
((V_RESOLUTION-1) << 14) | /* Vertical Size : 272 -1 */
(V_FP << 6) | /* VFPD : 2 */
(V_SW << 0) ; /* VSPW : 1 */
s2440LCD->LCDCON3 = (H_BP << 19) | /* HBPD : 6 */
((H_RESOLUTION-1) << 8) | /* HOZVAL_TFT : 240 - 1 */
(H_FP << 0) ; /* HFPD : 2 */
s2440LCD->LCDCON4 = (H_SW << 0) ; /* HSPW : 4 */
s2440LCD->LCDCON5 = (1 << 11) | /* FRM565 MODE : 5:6:5 Format */
(1 << 9) | /* INVVLINE : Inverted Polarity */
(1 << 8) | /* INVVFRAME : Inverted Polarity */
(1 << 0) ; /* Half-Word swap control bit. in case 16bpp */
#if 0
s2440LCD->LCDSADDR1 = ((IMAGE_FRAMEBUFFER_DMA_BASE >> 22) << 21) |
((M5D(IMAGE_FRAMEBUFFER_DMA_BASE >> 1)) << 0);
s2440LCD->LCDSADDR2 = M5D((IMAGE_FRAMEBUFFER_DMA_BASE + (H_RESOLUTION * 4 * (V_RESOLUTION+0))) >> 1);
#else
s2440LCD->LCDSADDR1 = (IMAGE_FRAMEBUFFER_DMA_BASE >> 1);
s2440LCD->LCDSADDR2 = ((IMAGE_FRAMEBUFFER_DMA_BASE & 0x3ffffe) + H_RESOLUTION * 2 * (V_RESOLUTION + 0)) >> 1;
#endif
s2440LCD->LCDSADDR3 = ( H_RESOLUTION*2/ 2);
#if 0
//s2440LCD->TCONSEL |= 0x3;
s2440LCD->TCONSEL &= (~7);
s2440LCD->TCONSEL |= (0x1<<4);
#else
s2440LCD->TCONSEL = 0xe0;
#endif
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);
memset((void *)IMAGE_FRAMEBUFFER_UA_BASE, 0xff, LCD_ARRAY_SIZE_TFT_16BIT);
#endif
}
void ConfigureGPIO()
{
volatile S3C2440A_IOPORT_REG *s2440IOP = (S3C2440A_IOPORT_REG *)OALPAtoVA(S3C2440A_BASE_REG_PA_IOPORT, FALSE);
volatile S3C2440A_CLKPWR_REG *s2440CLKPWR = (S3C2440A_CLKPWR_REG *)OALPAtoVA(S3C2440A_BASE_REG_PA_CLOCK_POWER, FALSE);
s2440IOP->GPACON = 0x7fffff;
s2440IOP->GPBDAT = 0x42;
//s2440IOP->GPBDAT &= ~(1<<5); //aesop usb
s2440IOP->GPBUP = 0x7FF;
s2440IOP->GPBCON = 0x2A96A4;
s2440IOP->GPCUP = 0xFFFF;
s2440IOP->GPCCON = 0xAAAAAAAA;
s2440IOP->GPEDAT = 0x1;
s2440IOP->GPDUP = 0xFFFF;
s2440IOP->GPDCON = 0xAAAAAAA1;
s2440IOP->GPEDAT = 0x0;
s2440IOP->GPEUP = 0xFFFF;
s2440IOP->GPECON = 0xAAAAAAAA;
s2440IOP->GPFDAT = 0xF0;
s2440IOP->GPFUP = 0xFF;
s2440IOP->GPFCON = 0x55aa;
s2440IOP->GPGDAT = 0x1000;
s2440IOP->GPGUP = 0xFEFF;
s2440IOP->GPGCON = 0x0480FFBA;
s2440IOP->GPGDAT |= 0x1<<12;
s2440IOP->GPGUP |= 0x1<<12;
s2440IOP->GPGCON = (s2440IOP->GPGCON & ~(0x3<<24)) | 0x1<<24;
s2440IOP->GPHDAT = 0x0; //aesop sound enable
s2440IOP->GPHUP = 0x7FF;
s2440IOP->GPHCON = 0x14AAA9; //aesop sound enable
s2440IOP->GPJDAT = 0x1000;
s2440IOP->GPJUP = 0x1FFF;
s2440IOP->GPJCON = 0x1AAAAA;
s2440IOP->MISCCR &= ~(7<<20);
s2440IOP->MISCCR |= (4<<20);
s2440IOP->MISCCR &= ~(7<<8);
s2440IOP->MISCCR |= (5<<8);
s2440IOP->MISCCR &= ~(7<<4);
s2440IOP->MISCCR |= (5<<4);
s2440IOP->MISCCR |= (3<<0);
#if 1
{
unsigned int rdata;
rdata = s2440IOP->GPGCON;
rdata &= ~(3 << 2);
rdata |= (2 << 2);
s2440IOP->GPGCON = rdata; /* External Interrupt #9 Enable */
#if 0
rdata = s2440IOP->EXTINT1;
rdata &= ~(7 << 4);
rdata |= (4 << 4);
s2440IOP->EXTINT1 = rdata; /* High Level Triggered Mode */
#else
rdata = s2440IOP->EXTINT1;
rdata &= ~(7 << 4);
rdata |= (1 << 4);
s2440IOP->EXTINT1 = rdata; /* Rising Edge Detect Mode */
#endif
}
#endif
}
#define FROM_BCD(n) ((((n) >> 4) * 10) + ((n) & 0xf))
#define TO_BCD(n) ((((n) / 10) << 4) | ((n) % 10))
static BOOL OEMGetRealTime(LPSYSTEMTIME lpst)
{
volatile S3C2440A_RTC_REG *s2440RTC = (S3C2440A_RTC_REG *)OALPAtoVA(S3C2440A_BASE_REG_PA_RTC, FALSE);
do
{
lpst->wYear = FROM_BCD(s2440RTC->BCDYEAR) + 2000 ;
lpst->wMonth = FROM_BCD(s2440RTC->BCDMON & 0x1f);
lpst->wDay = FROM_BCD(s2440RTC->BCDDAY & 0x3f);
lpst->wDayOfWeek = (s2440RTC->BCDDATE - 1);
lpst->wHour = FROM_BCD(s2440RTC->BCDHOUR & 0x3f);
lpst->wMinute = FROM_BCD(s2440RTC->BCDMIN & 0x7f);
lpst->wSecond = FROM_BCD(s2440RTC->BCDSEC & 0x7f);
lpst->wMilliseconds = 0;
}
while (!(lpst->wSecond));
return(TRUE);
}
DWORD OEMEthGetSecs(void)
{
SYSTEMTIME sTime;
OEMGetRealTime(&sTime);
return((60UL * (60UL * (24UL * (31UL * sTime.wMonth + sTime.wDay) + sTime.wHour) + sTime.wMinute)) + sTime.wSecond);
}
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