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) 2004-2007, 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 ethernet 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;
extern UINT32 EthDevice;  // To determine if Ethernet has been initailized for download/KITL usage

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


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


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


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


//------------------------------------------------------------------------------
// Local Functions
//
static void SetIP(BOOT_CFG *pBootCFG);
static void SetMask(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;
    
    // 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)" : "");
                KITLOutputDebugString ( "0) IP address: %s\r\n",inet_ntoa(g_BootCFG.IP));
                KITLOutputDebugString ( "1) Subnet Mask: %s\r\n", inet_ntoa(g_BootCFG.subnetMask));
                KITLOutputDebugString ( "2) Boot delay: %d seconds\r\n", g_BootCFG.delay);
                KITLOutputDebugString ( "3) DHCP:  %s\r\n", (g_BootCFG.DHCPEnable == TRUE ? "Enabled" : "Disabled"));
                KITLOutputDebugString ( "4) Reset to factory default configuration\r\n");
                switch(g_BootCFG.autoDownloadImage)
                {
                case BOOT_CFG_AUTODOWNLOAD_NK_NOR:
                    KITLOutputDebugString("5) Autoboot:  NK from NOR\r\n");
                    break;
                case BOOT_CFG_AUTODOWNLOAD_NK_NAND:
                    KITLOutputDebugString("5) Autoboot:  NK from NAND\r\n");
                    break;
                case BOOT_CFG_AUTODOWNLOAD_IPL_NAND:
                    KITLOutputDebugString("5) Autoboot:  IPL from NAND\r\n");
                    break;
                default:
                    KITLOutputDebugString("5) Autoboot:  Disabled\r\n");
                    break;
                   
                }
                KITLOutputDebugString ( "6) MAC address: %x-%x-%x-%x-%x-%x\r\n", 
                    g_BootCFG.mac[0] & 0x00FF, g_BootCFG.mac[0] >> 8,
                    g_BootCFG.mac[1] & 0x00FF, g_BootCFG.mac[1] >> 8,
                    g_BootCFG.mac[2] & 0x00FF, g_BootCFG.mac[2] >> 8);
                KITLOutputDebugString ( "7) Format OS NAND region.\r\n");
                KITLOutputDebugString ( "8) Format ALL NAND regions.\r\n");
                KITLOutputDebugString ( "S) Save configuration\r\n");                
                KITLOutputDebugString ( "D) Download image now\r\n");
                KITLOutputDebugString ( "L) Launch existing flash resident image now\r\n");
                KITLOutputDebugString ( "\r\n\r\nEnter your selection: ");

                // Read user selection
                Selection = 0;
                while (! ( ( (Selection >= '0') && (Selection <= '8') ) || 
                           ( (Selection == 'D') || (Selection == 'd') ) || 
                           ( (Selection == 'L') || (Selection == 'l') ) ||
                           ( (Selection == 'S') || (Selection == 's') ) ))
                {
                    Selection = OEMReadDebugByte();
                }
                KITLOutputDebugString ( "%c\r\n", Selection);

                // Process user selection
                switch (Selection)
                {
                case '0':
                    SetIP(&g_BootCFG);
                    bCFGChanged=TRUE;
                    break;
                case '1':
                    SetMask(&g_BootCFG);
                    bCFGChanged=TRUE;
                    break;
                case '2':
                    SetDelay(&g_BootCFG);
                    bCFGChanged=TRUE;
                    break;
                case '3':
                    if (g_BootCFG.DHCPEnable == TRUE)
                        g_BootCFG.DHCPEnable = FALSE;
                    else