📄 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 "VPTLogo24Bpp.h" //320x240x24BPP LOGO
//#include "VPTLogo.h"
//#include "bitmap.c"
static void InitDisplay(void);
extern DWORD CEProcessorType;
void ConfigureGPIO(void);
#ifdef DVS_EN
//-------------------------------------------
// Variables for DVS
static int CurrVoltage;
extern volatile int CurrentState;
extern volatile int PrevState;
extern volatile int NextState;
//---------------------------------------------------------------------------
// Function for DVS
void ChangeVoltage(int);
int GetCurrentVoltage(void);
// ----------------------------------------------------------------------------
#endif
//------------------------------------------------------------------------------
//
// 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
//lqm@ucdragon.net 2007-06-28
//S3C2440A_PCLK is 50M
//OALTimerInit(1, 17, 0); //S3C2440A_PCLK/245/16/1000=16.992
OALTimerInit(1, 25, 0); //S3C2440A_PCLK/250/8/1000=25
ConfigureGPIO();
InitDisplay();
// Initialize the KITL connection if required
OALKitlStart();
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);
RETAILMSG(1,(TEXT("InitDisplay:%d*%d\r\n"),LCD_XSIZE_TFT,LCD_YSIZE_TFT));
// Set up the LCD controller registers to display a power-on bitmap image.
//PWM, GPB1
s2440IOP->GPBUP &= 0xfffd;
s2440IOP->GPBCON &= 0xfffffff3;
s2440IOP->GPBCON |= 0x00000004;
s2440IOP->GPBDAT |= 0x0002;
s2440IOP->GPCUP = 0;
// s2440IOP->GPCCON = 0xAAAA02A9;
s2440IOP->GPCCON = 0xAAAA02A9;
s2440IOP->GPDUP = 0;
s2440IOP->GPDCON = 0xAAAAAAAA;
s2440LCD->LCDCON1 = (CLKVAL_TFT << 8) | /* VCLK = HCLK / ((CLKVAL + 1) * 2) -> About 7 Mhz */
(LCD_MVAL_USED << 7) | /* 0 : Each Frame */
(3 << 5) | /* TFT LCD Pannel */
(BppMode << 1) | /* 24bpp 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 = LCD_CON5;
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 * BytePerPixel)) >> 1);
s2440LCD->LCDSADDR3 = (((LCD_XSIZE_TFT - LCD_XSIZE_TFT) / 1) << 11) | (LCD_XSIZE_TFT *2 /1);
s2440LCD->LCDINTMSK|=(3); // MASK LCD Sub Interrupt
s2440LCD->TCONSEL &= (~7) ; // Disable LPC3480
s2440LCD->TPAL=0; // Disable Temp Palette
s2440LCD->LCDCON1|=1; // ENVID=ON
s2440IOP->GPCDAT |=1; // Backlight on
//memset((void *)IMAGE_FRAMEBUFFER_UA_BASE,0xA0,LCD_ARRAY_SIZE_TFT_16BIT);
memset((void *)IMAGE_FRAMEBUFFER_UA_BASE,0x0,LCD_ARRAY_SIZE_TFT_24BIT);
// Display a bitmap image on the LCD...
//
//LQM@ucdragon.net 2007-05-31,disable logo for small size
//memcpy((void *)IMAGE_FRAMEBUFFER_UA_BASE, gImage_VPTLogo, LCD_ARRAY_SIZE_TFT_16BIT);
//memcpy((void *)IMAGE_FRAMEBUFFER_UA_BASE, gImage_VPTLogo24Bpp, 307200);
}
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 = 0x62;
s2440IOP->GPBUP = 0x7FF;
s2440IOP->GPBCON = 0x2A96A4;
s2440IOP->GPCUP = 0xFFFe;
s2440IOP->GPCCON = 0xAAAA02A9;
s2440IOP->GPDDAT = 0x0;
s2440IOP->GPDUP = 0xFFFF;
s2440IOP->GPDCON = 0xAAAAAAAA;
s2440IOP->GPEDAT = 0x0;
s2440IOP->GPEUP = 0xFFFF;
s2440IOP->GPECON = 0xAAAAAAAA;
s2440IOP->GPFDAT = 0xF0;
s2440IOP->GPFUP = 0xFF;
s2440IOP->GPFCON = 0x55aa;
//lqm@ucdragon.net 2007-06-13
//GPG9 out 1 for usb device
//GPG12 out 0 for camera
//EINT3 as high lever trigger
s2440IOP->GPGDAT = 0x1200;
s2440IOP->GPGUP = 0xFEFF;
//s2440IOP->GPGCON = 0x0480FFBA;
s2440IOP->GPGCON = 0x0484FFBA;
s2440IOP->EXTINT0 &= 0xFFFF0FFF;
s2440IOP->EXTINT0 |= 0x1000;
s2440IOP->GPHDAT = 0x0;
s2440IOP->GPHUP = 0x7FF;
s2440IOP->GPHCON = 0x14AAAA;
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);
}
#ifdef DVS_EN
void ChangeVoltage(int vtg)
{
volatile S3C2440A_IOPORT_REG *s2440IOP = (S3C2440A_IOPORT_REG *)OALPAtoVA(S3C2440A_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;
}
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