menu.c

i.Mx31 bootloader(for WinCE6.0)

//
// 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.
//
//------------------------------------------------------------------------------
//
//  Copyright (C) 2004-2006, 2007 Freescale Semiconductor, Inc. All Rights Reserved.
//  THIS SOURCE CODE, AND ITS USE AND DISTRIBUTION, IS SUBJECT TO THE TERMS
//  AND CONDITIONS OF THE APPLICABLE LICENSE AGREEMENT
//
//------------------------------------------------------------------------------
//
//  File:  menu.c
//
//  Menu routines for the bootloader.
//
//------------------------------------------------------------------------------
#include <bsp.h>
#include "loader.h"

//-----------------------------------------------------------------------------
// External Functions
extern void ResetDefaultBootCFG(BOOT_CFG *pBootCFG);
extern BOOL StoreBootCFG(BOOT_CFG *BootCFG);
extern BOOL NANDFormatNK(void);
extern BOOL NANDFormatAll(void);

extern void SetMAC(BOOT_CFG *pBootCFG);
extern void CvtMAC(USHORT MacAddr [ 3 ], char * pszDottedD);
extern void SetBootMe(BOOT_CFG *pBootCFG);
extern void SetDelay(BOOT_CFG *pBootCFG);

//-----------------------------------------------------------------------------
// External Variables
extern BSP_ARGS     *g_pBSPArgs;
extern BOOT_CFG     g_BootCFG;
extern BOOL         g_DownloadImage;


//-----------------------------------------------------------------------------
// Defines


//-----------------------------------------------------------------------------
// Types


//-----------------------------------------------------------------------------
// Global Variables


//-----------------------------------------------------------------------------
// Local Variables


//------------------------------------------------------------------------------
// Local Functions
//
static void SetUARTChannel(BOOT_CFG *pBootCFG);

//------------------------------------------------------------------------------
//
//  Function:  BLMenu
//
//  Provides boot loader menu interface.
//
//  Parameters:
//      None.
//
//  Returns:
//      TRUE indicates success. FALSE indicates failure.
//
//------------------------------------------------------------------------------
BOOL BLMenu()
{
    UINT32 AutoBootDelay = 0;
    BOOLEAN bCFGChanged  = FALSE;
    UINT32 StartTime, CurrTime, PrevTime;
	UINT32 Selection;
	UCHAR chStr[20] = "\0";
    
    // If mac address has not been programmed, immediately drop into menu
    // so user can give us one.  The ADS EEPROM connected to the CS8900A
    // does not contain the proper values to allow the MAC to be obtained
    // automatically.
    if (!g_BootCFG.mac[0] && !g_BootCFG.mac[1] && !g_BootCFG.mac[2])
    {
        EdbgOutputDebugString("WARNING:  Uninitialized MAC address.  Select valid address using menu.\r\n");
        Selection = 0x20;
    }
    else
    {
        AutoBootDelay = g_BootCFG.delay;
        switch(g_BootCFG.autoDownloadImage)
        {
        case BOOT_CFG_AUTODOWNLOAD_NK_NOR:
            g_DownloadImage = FALSE;
            EdbgOutputDebugString("\r\nPress [ENTER] to launch image stored in NOR flash or [SPACE] to cancel.\r\n");
            EdbgOutputDebugString("\r\nInitiating image launch in %d seconds. ", AutoBootDelay--);
            break;

        case BOOT_CFG_AUTODOWNLOAD_NK_NAND:
            g_DownloadImage = FALSE;
            EdbgOutputDebugString("\r\nPress [ENTER] to launch image stored in NAND flash or [SPACE] to cancel.\r\n");
            EdbgOutputDebugString("\r\nInitiating image launch in %d seconds. ", AutoBootDelay--);
            break;

        case BOOT_CFG_AUTODOWNLOAD_IPL_NAND:
            g_DownloadImage = FALSE;
            EdbgOutputDebugString("\r\nPress [ENTER] to launch IPL stored in NAND flash or [SPACE] to cancel.\r\n");
            EdbgOutputDebugString("\r\nInitiating IPL launch in %d seconds. ", AutoBootDelay--);
            break;

        default:
            g_DownloadImage = TRUE;
            EdbgOutputDebugString("\r\nPress [ENTER] to download now or [SPACE] to cancel.\r\n");
            EdbgOutputDebugString("\r\nInitiating image download in %d seconds. ", AutoBootDelay--);
            break;
        }

        // Get a snapshot of the RTC seconds count.
        //
        StartTime     = OEMEthGetSecs();
        PrevTime      = StartTime;
        CurrTime      = StartTime;
        Selection     = (UINT32)OEM_DEBUG_READ_NODATA;

        // Allow the user an amount of time to halt the auto boot/download process.
        // Count down to 0 before proceeding with default operation.
        //
        while ((CurrTime - StartTime) < g_BootCFG.delay)
        {
            UINT8 i=0;
            UINT8 j;

            Selection = OEMReadDebugByte(); 
            if ((Selection == 0x20) || (Selection == 0x0d))
            {
                break;
            }
            CurrTime = OEMEthGetSecs();   
            if (CurrTime > PrevTime)
            {
                PrevTime = CurrTime;
                if (AutoBootDelay < 9)
                    i = 11;
                else if (AutoBootDelay < 99)
                    i = 12;
                else if (AutoBootDelay < 999)
                    i = 13;

                for (j = 0; j < i; j++)
                {
                    OEMWriteDebugByte((BYTE)0x08); // print back space
                }

                KITLOutputDebugString ( "%d seconds. ", AutoBootDelay--);
            }
        }
    }

	switch (Selection)
    {
    case OEM_DEBUG_READ_NODATA: // fall through if nothing typed
    case 0x0d: // user canceled wait
        {
            if (g_BootCFG.autoDownloadImage)
            {
                KITLOutputDebugString ( "\r\nLaunching flash image  ... \r\n");
            }
            else
            {
                KITLOutputDebugString ( "\r\nStarting auto download ... \r\n");
            }
            break;
        }
    case 0x20:
        {
            Selection = 0;
            for (;;)
            {
                // Show menu
                KITLOutputDebugString ( "\r\n\r\nBoot Loader Configuration%s:\r\n\r\n", bCFGChanged ? " (UNSAVED CHANGES)" : "");
                PREFAST_SUPPRESS(5425, "Suppressed since it requires coredll.lib which increases the image drastically");
				_ltoa(g_BootCFG.Channel,(CHAR *)chStr,10);
				KITLOutputDebugString ( "0) UART Channel: %s\r\n",chStr);
				switch(g_BootCFG.BaudRate)
				{
					case SBOOT_BAUDRATE_9600:
						KITLOutputDebugString("1) BaudRate:  9600\r\n");
						break;
					case SBOOT_BAUDRATE_19200:
						KITLOutputDebugString("1) BaudRate:  19200\r\n");
						break;
					case SBOOT_BAUDRATE_38400:
						KITLOutputDebugString("1) BaudRate:  38400\r\n");
						break;
					case SBOOT_BAUDRATE_57600:
						KITLOutputDebugString("1) BaudRate:  57600\r\n");
						break;
					default:
						KITLOutputDebugString("1) BaudRate:  115200\r\n");
						break;
    			}
				switch(g_BootCFG.Parity)
				{
					case SBOOT_PARITY_EVEN:
						KITLOutputDebugString("2) Parity:  Even\r\n");
						break;
					case SBOOT_PARITY_ODD:
						KITLOutputDebugString("2) Parity:  Odd\r\n");
						break;
					default:
						KITLOutputDebugString("2) Parity:  None\r\n");
						break;
    			}
				switch(g_BootCFG.DataBits)
				{
					case SBOOT_DATABITS_7:
						KITLOutputDebugString("3) Data Bits:  7\r\n");
						break;
					default:
						KITLOutputDebugString("3) Data Bits:  8\r\n");
						break;
    			}
				switch(g_BootCFG.StopBit)
				{
					case SBOOT_STOPBITS_2:
						KITLOutputDebugString("4) Stop Bit:  2\r\n");
						break;
					default:
						KITLOutputDebugString("4) Stop Bit:  1\r\n");
						break;
    			}
				switch(g_BootCFG.FlowCtrl)
				{
					case SBOOT_FLOWCTRL_ON:
						KITLOutputDebugString("5) Flow Control: ON\r\n");
						break;
					
					case SBOOT_FLOWCTRL_OFF:
					default:
						KITLOutputDebugString("5) Flow Control: OFF\r\n");
						break;
    			}
                KITLOutputDebugString ( "6) Boot delay: %d seconds\r\n", g_BootCFG.delay);
                switch(g_BootCFG.autoDownloadImage)
                {
                case BOOT_CFG_AUTODOWNLOAD_NK_NOR:
                    KITLOutputDebugString("7) Autoboot:  NK from NOR\r\n");
                    break;
                case BOOT_CFG_AUTODOWNLOAD_NK_NAND:
                    KITLOutputDebugString("7) Autoboot:  NK from NAND\r\n");
                    break;
                case BOOT_CFG_AUTODOWNLOAD_IPL_NAND:
                    KITLOutputDebugString("7) Autoboot:  IPL from NAND\r\n");
                    break;
                default:
                    KITLOutputDebugString("7) Autoboot:  Disabled\r\n");
                    break;
                   
                }
				KITLOutputDebugString ( "8) Reset to factory default configuration\r\n");