📄 main.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.
//
//
//
// 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.
//
#include <windows.h>
#include <bsp.h>
#include <ethdbg.h>
#include <fmd.h>
#include "loader.h"
// xm.hu
#define ClearPending(bit) {\
s2440INTt->SRCPND = bit;\
s2440INTt->INTPND = bit;\
s2440INTt->INTPND;\
}
#define BIT_USBD (0x1<<25)
#define BIT_DMA2 (0x1<<19)
// For USB Download function.
extern BOOL UbootReadData (DWORD cbData, LPBYTE pbData);
extern BOOL InitUSB ();
extern void Isr_Init();
// For USB Download function.
// xm.hu
void Port_Init(void);
char *inet_ntoa(DWORD dwIP);
DWORD inet_addr( char *pszDottedD );
BOOL EbootInitEtherTransport (EDBG_ADDR *pEdbgAddr, LPDWORD pdwSubnetMask,
BOOL *pfJumpImg,
DWORD *pdwDHCPLeaseTime,
UCHAR VersionMajor, UCHAR VersionMinor,
char *szPlatformString, char *szDeviceName,
UCHAR CPUId, DWORD dwBootFlags);
BOOL EbootEtherReadData (DWORD cbData, LPBYTE pbData);
EDBG_OS_CONFIG_DATA *EbootWaitForHostConnect (EDBG_ADDR *pDevAddr, EDBG_ADDR *pHostAddr);
// End ***************************************
void Led_Display(int data);
// Globals
//
DWORD g_ImageType;
MultiBINInfo g_BINRegionInfo;
PBOOT_CFG g_pBootCfg;
UCHAR g_TOC[SECTOR_SIZE];
const PTOC g_pTOC = (PTOC)&g_TOC;
DWORD g_dwImageStartBlock;
DWORD g_dwTocEntry;
BOOL g_bBootMediaExist = FALSE;
BOOL g_bDownloadImage = TRUE;
BOOL g_bWaitForConnect = TRUE;
BOOLEAN g_bUSBDownload = FALSE;
EDBG_ADDR g_DeviceAddr; // NOTE: global used so it remains in scope throughout download process
// since eboot library code keeps a global pointer to the variable provided.
WORD wNUM_BLOCKS;
// External definitions.
//
extern const BYTE ScreenBitmap[];
/*
@func void | SpinForever | Halts execution (used in error conditions).
@rdesc
@comm
@xref
*/
static void SpinForever(void)
{
EdbgOutputDebugString("SpinForever...\r\n");
while(1)
{
;
}
}
/*
@func void | main | Samsung bootloader C routine entry point.
@rdesc N/A.
@comm
@xref
*/
void main(void)
{
// volatile S3C2440A_INTR_REG *s2440INTt = (S3C2440A_INTR_REG *)OALPAtoVA(S3C2440A_BASE_REG_PA_INTR, FALSE);
// Clear LEDs.
//
// Led_Display(1);
Led_Display(1);
while(0);
Port_Init();
Led_Display(0);
while(0);
//OEMWriteDebugLED(0, 0xF);
// Common boot loader (blcommon) main routine.
//
// xm.hu
// ClearPending(BIT_USBD);
// ClearPending(BIT_DMA2);
// s2440INTt->INTMSK&=~(BIT_USBD);
BootloaderMain();
// Should never get here.
//
SpinForever();
}
/*
@func void | InitDisplay | Initializes the LCD controller and displays a splashscreen image.
@rdesc N/A.
@comm
@xref
*/
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);
unsigned int clkval_calc; // 040507
// Set up the LCD controller registers to display a power-on bitmap image.
RETAILMSG(1, (TEXT("LCD PWM INIT NOW ---- XM.HU MODIFY\r\n")));
s2440IOP->GPBDN &= ~(0x1);
s2440IOP->GPBCON &= ~0x3;
s2440IOP->GPBCON |= 0x1;
s2440IOP->GPBDAT |= 0x1;
//
s2440IOP->GPCDN = 0xFFFFFFFF;
s2440IOP->GPCCON = 0xAAAAAAAA;
s2440IOP->GPDDN = 0xFFFFFFFF;
s2440IOP->GPDCON = 0xAAAAAAAA;
//clkval_calc = (WORD)((float)(S3C2440A_HCLK)/(2.0*5000000)+0.5)-1; //- ksk 20051114
clkval_calc = (WORD)((float)(S3C2440A_HCLK)/(2.0*6000000)+0.5)-1; //+ ksk 20051114
s2440LCD->LCDCON1 = (clkval_calc << 8) | /* VCLK = HCLK / ((CLKVAL + 1) * 2) -> About 7 Mhz */
(0 << 7) | /* LCD_MVAL(13) 0 : Each Frame */
(3 << 5) | /* TFT LCD Pannel */
(12 << 1) | /* 16bpp Mode */
(0 << 0) ; /* Disable LCD Output */
s2440LCD->LCDCON2 = (LCD_VBPD << 24) | /* VBPD : 1 */
(LCD_LINEVAL_TFT << 14) | /* Vertical Size : 320 - 1 */
(1 << 6) | /* 2 VFPD : 2 */
(LCD_VSPW << 0) ; /* VSPW : 1 */
s2440LCD->LCDCON3 = (29 << 19) | /* HBPD : 6 */
(LCD_HOZVAL_TFT << 8) | /* HOZVAL_TFT : 240 - 1 */
(9 << 0) ; /* HFPD : 2 */
s2440LCD->LCDCON4 = (LCD_MVAL << 8) | /* MVAL : 13 */
(LCD_HSPW << 0) ; /* HSPW : 4 */
#if 1
s2440LCD->LCDCON5 = (0 << 12) | /* BPP24BL : LSB valid */
(1 << 11) | /* FRM565 MODE : 5:6:5 Format */
(1 << 10) | /* 0 INVVCLK : VCLK Falling Edge */
(1 << 9) | /* INVVLINE : Inverted Polarity */
(1 << 8) | /* INVVFRAME : Inverted Polarity */
(0 << 7) | /* INVVD : Normal */
(0 << 6) | /* INVVDEN : Normal */
(1 << 5) | /* 0 INVPWREN : Normal */
(1 << 4) | /* 0 INVENDLINE : Normal */
(1 << 3) | /* PWREN : Disable PWREN */
(1 << 2) | /* ENLEND : Disable LEND signal */
(0 << 1) | /*0 BSWP : Swap Disable */
(1 << 0) ; /* HWSWP : Swap Enable */
#else
s2440LCD->LCDCON5 = (0 << 12) | /* BPP24BL : LSB valid */
(1 << 11) | // FRM565 MODE : 5:6:5 Format // 0
(1<<10)|
(1<<6)|
(1<<5)|
(0 << 9) | /* INVVLINE : Inverted Polarity */
(0 << 8) | /* INVVFRAME : Inverted Polarity */
(1 << 4) | /* INVENDLINE : Normal */
(1 << 2) | /* ENLEND : Disable LEND signal */
(0 << 1) | /* BSWP : Swap Disable */
(0 << 0) ; /* HWSWP : Swap Enable */
#endif
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 * 2)) >> 1);
s2440LCD->LCDSADDR3 = (((LCD_XSIZE_TFT - LCD_XSIZE_TFT) / 1) << 11) | (LCD_XSIZE_TFT / 1);
//s2440LCD->TCONSEL |= 0x3;
s2440LCD->LCDINTMSK|=(3); // ADD XM.HU
s2440LCD->TCONSEL &= (~7);
// s2440LCD->TCONSEL |= (0x1<<4); // DEL
s2440LCD->TPAL = 0x0;
s2440LCD->LCDCON1 |= 1; // ENVID
// Display a bitmap image on the LCD...
//
memcpy((void *)IMAGE_FRAMEBUFFER_UA_BASE, ScreenBitmap, LCD_ARRAY_SIZE_TFT_16BIT);
}
/*
@func void | SetIP | Accepts IP address from user input.
@rdesc N/A.
@comm
@xref
*/
static void SetIP(PBOOT_CFG pBootCfg)
{
CHAR szDottedD[16]; // The string used to collect the dotted decimal IP address.
USHORT cwNumChars = 0;
USHORT InChar = 0;
EdbgOutputDebugString("\r\nEnter new IP address: ");
while(!((InChar == 0x0d) || (InChar == 0x0a)))
{
InChar = OEMReadDebugByte();
if (InChar != OEM_DEBUG_COM_ERROR && InChar != OEM_DEBUG_READ_NODATA)
{
// If it's a number or a period, add it to the string.
//
if (InChar == '.' || (InChar >= '0' && InChar <= '9'))
{
if (cwNumChars < 16)
{
szDottedD[cwNumChars++] = (char)InChar;
OEMWriteDebugByte((BYTE)InChar);
}
}
// If it's a backspace, back up.
//
else if (InChar == 8)
{
if (cwNumChars > 0)
{
cwNumChars--;
OEMWriteDebugByte((BYTE)InChar);
}
}
}
}
// If it's a carriage return with an empty string, don't change anything.
//
if (cwNumChars)
{
szDottedD[cwNumChars] = '\0';
pBootCfg->EdbgAddr.dwIP = inet_addr(szDottedD);
}
}
/*
@func void | SetMask | Accepts subnet mask from user input.
@rdesc N/A.
@comm
@xref
*/
static void SetMask(PBOOT_CFG pBootCfg)
{
CHAR szDottedD[16]; // The string used to collect the dotted masks.
USHORT cwNumChars = 0;
USHORT InChar = 0;
EdbgOutputDebugString("\r\nEnter new subnet mask: ");
while(!((InChar == 0x0d) || (InChar == 0x0a)))
{
InChar = OEMReadDebugByte();
if (InChar != OEM_DEBUG_COM_ERROR && InChar != OEM_DEBUG_READ_NODATA)
{
// If it's a number or a period, add it to the string.
//
if (InChar == '.' || (InChar >= '0' && InChar <= '9'))
{
if (cwNumChars < 16)
{
szDottedD[cwNumChars++] = (char)InChar;
OEMWriteDebugByte((BYTE)InChar);
}
}
// If it's a backspace, back up.
//
else if (InChar == 8)
{
if (cwNumChars > 0)
{
cwNumChars--;
OEMWriteDebugByte((BYTE)InChar);
}
}
}
}
// If it's a carriage return with an empty string, don't change anything.
//
if (cwNumChars)
{
szDottedD[cwNumChars] = '\0';
pBootCfg->SubnetMask = inet_addr(szDottedD);
}
}
/*
@func void | SetDelay | Accepts an autoboot delay value from user input.
@rdesc N/A.
@comm
@xref
*/
static void SetDelay(PBOOT_CFG pBootCfg)
{
CHAR szCount[16];
USHORT cwNumChars = 0;
USHORT InChar = 0;
EdbgOutputDebugString("\r\nEnter maximum number of seconds to delay [1-255]: ");
while(!((InChar == 0x0d) || (InChar == 0x0a)))
{
InChar = OEMReadDebugByte();
if (InChar != OEM_DEBUG_COM_ERROR && InChar != OEM_DEBUG_READ_NODATA)
{
// If it's a number or a period, add it to the string.
//
if ((InChar >= '0' && InChar <= '9'))
{
if (cwNumChars < 16)
{
szCount[cwNumChars++] = (char)InChar;
OEMWriteDebugByte((BYTE)InChar);
}
}
// If it's a backspace, back up.
//
else if (InChar == 8)
{
if (cwNumChars > 0)
{
cwNumChars--;
OEMWriteDebugByte((BYTE)InChar);
}
}
}
}
// If it's a carriage return with an empty string, don't change anything.
//
if (cwNumChars)
{
szCount[cwNumChars] = '\0';
pBootCfg->BootDelay = atoi(szCount);
if (pBootCfg->BootDelay > 255)
{
pBootCfg->BootDelay = 255;
}
else if (pBootCfg->BootDelay < 1)
{
pBootCfg->BootDelay = 1;
}
}
}
static ULONG mystrtoul(PUCHAR pStr, UCHAR nBase)
{
UCHAR nPos=0;
BYTE c;
ULONG nVal = 0;
UCHAR nCnt=0;
ULONG n=0;
// fulllibc doesn't implement isctype or iswctype, which are needed by
// strtoul, rather than including coredll code, here's our own simple strtoul.
if (pStr == NULL)
return(0);
for (nPos=0 ; nPos < strlen(pStr) ; nPos++)
{
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