init.c

MagicARM2410的BSP包,增加了AD,CAN,PCCARD驱动,串口驱动3个

//
// 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 SMDK2410X board initialization code.
//
#include <bsp.h>
 

//------------------------------------------------------------------------------
//
//  Function:  OEMInit
//
//  This is Windows CE OAL initialization function. It is called from kernel
//  after basic initialization is made.
//

// 总线宽度控制定义(0表示8位，1表示16位，2表示32位)
#define     DW8      (0x0)
#define     DW16     (0x1)
#define     DW32     (0x2)
#define     WAIT     (0x1<<2)
#define     UBLB     (0x1<<3)

#define    B3_BWCON  (DW16|WAIT|UBLB)  


void DM9000_Initialize(void);
void USB2410Dev_Initialize(void);
void S3C2410_InterruptInitialize(void);

void OEMInit()
{
    OALMSG(OAL_FUNC, (L"+OEMInit\r\n"));

	S3C2410_InterruptInitialize();
	USB2410Dev_Initialize();
	DM9000_Initialize();

    // 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, S3C2410X_PCLK/2000, 0);

    // Initialize the KITL connection if required
    OALKitlStart();

    OALMSG(OAL_FUNC, (L"-OEMInit\r\n"));
}



void Delay(int value)
{
    int i;
    for (i = 0; i < value; i++);
}


void DM9000_Initialize(void)
{
    // Local Variables 
    S3C2410X_MEMCTRL_REG *pMemCtrlReg;
	S3C2410X_IOPORT_REG *pIOPortReg;

    // Initialize the BANK3 for DM9000                                                
	pMemCtrlReg = (S3C2410X_MEMCTRL_REG*)OALPAtoVA(S3C2410X_BASE_REG_PA_MEMCTRL, FALSE);
    pIOPortReg = (S3C2410X_IOPORT_REG*)OALPAtoVA(S3C2410X_BASE_REG_PA_IOPORT, FALSE); 

    pMemCtrlReg->BWSCON &= ~(0xF << 12);
    pMemCtrlReg->BWSCON |= B3_BWCON << 12; 
    pMemCtrlReg->BANKCON3 = (0 << 13)|(3 << 11)|(7 << 8)|(1 << 6)|(3 << 4)|(3 << 2)|(3 << 0);

	pIOPortReg->EXTINT0 &= ~0x3;
	pIOPortReg->EXTINT0 |= 0x01;

    // Reset Pin, DM9000 need to Reset???
	pIOPortReg->GPGCON &= ~(0x3 << 4);
    pIOPortReg->GPGCON |= (0x1 << 4);
        
    pIOPortReg->GPGDAT &= ~(0x1 << 2);
    Delay(5000);
    pIOPortReg->GPGDAT |= (0x1 << 2); 
    Delay(5000);
    pIOPortReg->GPGDAT &= ~(0x1 << 2);
    //Delay(20000);
}


void USB2410Dev_Initialize(void)
{
    // Local Variables 
    S3C2410X_IOPORT_REG *pIOPortReg;
    S3C2410X_CLKPWR_REG *pCLKReg;

    pIOPortReg = (S3C2410X_IOPORT_REG*)OALPAtoVA(S3C2410X_BASE_REG_PA_IOPORT, FALSE); 
    pCLKReg    = (S3C2410X_CLKPWR_REG*)OALPAtoVA(S3C2410X_BASE_REG_PA_CLOCK_POWER, FALSE); 
	
	/* 要加上时钟锁定代码 */
	pCLKReg->UPLLCON = (40 << 12) | (1 << 4) | 2;    /* 配置USB Device 时钟为48MHz */
   	
	//Delay(0x2000);
	//
	// SoftConnect USB Deivce : GPG9 = 0
	//
	pIOPortReg->GPGCON &= ~(0x3 << 18);	
	pIOPortReg->GPGCON |= (0x1 << 18);		// GPG9 is Output
	pIOPortReg->GPGDAT &= ~(0x1 << 9);		// GPG9 = 0
}


void S3C2410_InterruptInitialize(void)
{
	S3C2410X_INTR_REG *pIntrReg;

	pIntrReg = (S3C2410X_INTR_REG*)OALPAtoVA(S3C2410X_BASE_REG_PA_INTR, FALSE);
	
	pIntrReg->INTMSK = 0xFFFFFFFF;			/* disable all interrupt */
	pIntrReg->INTSUBMSK = 0x7ff;			/* disable all sub interrupt */
	pIntrReg->SRCPND = 0xFFFFFFFF;			/* clear all interrupt */
	pIntrReg->INTPND = 0xFFFFFFFF;			/* clear all IRQ Interrupt */
}






//------------------------------------------------------------------------------