hwinit.c

来自「Windows CE 6.0 BSP for VOIP sample phone」· C语言 代码 · 共 109 行

//
// Copyright (c) Microsoft Corporation.  All rights reserved.
//
//
// Use of this sample source code is subject to the terms of the Microsoft
// license agreement under which you licensed this sample source code. If
// you did not accept the terms of the license agreement, you are not
// authorized to use this sample source code. For the terms of the license,
// please see the license agreement between you and Microsoft or, if applicable,
// see the LICENSE.RTF on your install media or the root of your tools installation.
// THE SAMPLE SOURCE CODE IS PROVIDED "AS IS", WITH NO WARRANTIES OR INDEMNITIES.
//
//------------------------------------------------------------------------------
//
//  File:  hwinit.c
//
#include <windows.h>
#include <oal.h>
#include <bulverde.h>
#include <args.h>
#include <image_cfg.h>

#include <usbfntypes.h>
#include <usbfn.h>
#include <rndismini.h>
#include "rndis_pdd.h"

extern BSP_ARGS *g_pBSPArgs;
extern UFN_PDD_INTERFACE_INFO g_pddInterface; 
//------------------------------------------------------------------------------
// Performs the hardware initialization (clock, I2C, OTG transceiver, OTG controller)
//
BOOL InitializeHardware()
{
    // Plato platform specific hardware initialization
    //
    volatile BULVERDE_GPIO_REG *pGPIORegs = (BULVERDE_GPIO_REG*)OALPAtoVA(BULVERDE_BASE_REG_PA_GPIO, FALSE);

    // Configure the GPIO pin 11 to attach and detach the USB to the bus
    //

    // set GPIO pin 11 direction to output
    pGPIORegs->GPDR0 |= XLLP_BIT_11;

    //Enable UDC Soft Disconnect
    // pull GPIO pin 11 low to detach the device from the bus
    // (just in case it was previously connected)
    pGPIORegs->GPCR0 |= XLLP_BIT_11;
    
    OALStall(10000);    //  10ms wait
    
    //Enable UDC Soft Connect
    // Pull GPIO pin 11 high to attach the device to the bus
    pGPIORegs->GPSR0 |= XLLP_BIT_11;
    
    return TRUE;
}


//------------------------------------------------------------------------------
void GetRNDISMACAddress(UINT16 mac[3])
{
   mac[0] = g_pBSPArgs->kitl.mac[0];
   mac[1] = g_pBSPArgs->kitl.mac[1];
   mac[2] = g_pBSPArgs->kitl.mac[2];
}


//------------------------------------------------------------------------------
VOID   PXA27X_RndisPowerOff()
{
    volatile BULVERDE_GPIO_REG *pGPIORegs = (BULVERDE_GPIO_REG*)OALPAtoVA(BULVERDE_BASE_REG_PA_GPIO, FALSE);
    volatile PBULVERDE_CLKMGR_REG m_pDCCLKReg = (PBULVERDE_CLKMGR_REG)OALPAtoVA(BULVERDE_BASE_REG_PA_CLKMGR, FALSE);
    UINT32 regval = 0;

    OALMSG(OAL_ETHER&&OAL_FUNC, (L"+PXA27X_RndisPowerOff\r\n"));
    
    // Configure the GPIO pin 11 to attach and detach the USB to the bus
    //
    // set GPIO pin 11 direction to output
    pGPIORegs->GPDR0 |= XLLP_BIT_11;

    // pull GPIO pin 11 low to detach the device from the bus
    pGPIORegs->GPCR0 |= XLLP_BIT_11;

    g_pddInterface.pfnPowerDown(g_pddInterface.pvPddContext);

    OALMSG(OAL_ETHER&&OAL_FUNC, (L"-PXA27X_RndisPowerOff\r\n"));
}

//------------------------------------------------------------------------------
VOID   PXA27X_RndisPowerOn()
{
    volatile PBULVERDE_PWRRST_REG pPwrRst_reg = (PBULVERDE_PWRRST_REG) OALPAtoVA(BULVERDE_BASE_REG_PA_PWR, FALSE);
    USHORT mac[3] = {0x0002, 0xb392, 0xa8c4}; //Just a default, will be overwritten

    OALMSG(OAL_ETHER&&OAL_FUNC, (L"+PXA27X_RndisPowerOn\r\n"));
    
    // Clear the OTGPH (OTG Peripheral Hold) bit in PSSR.
    // This will enable the USB lines again.
    pPwrRst_reg->pssr |= 0x40;

    HostMiniInit(NULL, 0, mac);

    OALMSG(OAL_ETHER&&OAL_FUNC, (L"+PXA27X_RndisPowerOn\r\n"));
}