www.pudn.com > BIOS-S3C2410.rar > 2410bios.c
#include "def.h"
#include "2410addr.h"
#include "2410lib.h"
#include "2410slib.h"
#include "mmu.h"
#include "uart.h"
#include "timer.h"
#include "39vf160.h"
#include "LCD.h"
#include "PowerManage.h"
void call_linux(U32 a0, U32 a1, U32 a2);
void UsbMain(void);
void comdownload(void);
void NandWrite(void);
void NandLoadRun(void);
void NandRunSystem(void);
void NandErase(void);
// GPB1/TOUT1 for Backlight control(PWM)
#define GPB1_TO_OUT() (rGPBUP &= 0xfffd, rGPBCON &= 0xfffffff3, rGPBCON |= 0x00000004)
#define GPB1_TO_1() (rGPBDAT |= 0x0002)
#define GPB1_TO_0() (rGPBDAT &= 0xfffd)
//qjy: special power on timing, please research it!
void Lcd_Port_Init(void);
void Lcd_Init(void);
extern U32 downloadAddress, downloadFileSize;
//static EnvParams Env;
U32 Console_Uart = 0;
U32 Console_Baud = 115200;
static short DsAutoBoot;
static short NorFlashSupport = 0 ;
volatile int PwrKeyChkEnd;
//*****************************************************************************
void GetBootParam(void)
{
U16 cmd_cnt = 0;
char tmp[256] = {0};
NFSearchParams((char *)&Env);
if(Env.boot_params[0]=='r')
printf("\n%s", Env.boot_params);
puts("\nSet boot params, press Enter to finish, Esc to abort\n");
while(1) {
char c = getch();
if(c==0x1b)
return;
if(c==0xd)
break;
if((c==0x8)&&(cmd_cnt)) {
cmd_cnt -= 1;
tmp[cmd_cnt] = 0;
putch(c);
putch(' ');
putch(c);
}
else {
if(cmd_cnt<255) {
putch(c);
tmp[cmd_cnt++] = c;
tmp[cmd_cnt] = 0;
}
}
}
for(cmd_cnt=0; tmp[cmd_cnt]; cmd_cnt++)
Env.boot_params[cmd_cnt] = tmp[cmd_cnt];
Env.boot_params[cmd_cnt] = 0;
NFSaveParams((char *)&Env);
}
//*****************************************************************************
static __inline int RtcAlmWake(void)
{
return ((rBCDHOUR==rALMHOUR)&&(rBCDMIN==rALMMIN));
}
//*****************************************************************************
static void ProgNorFlash(void)
{
if(NorFlashSupport) {
SectorProg(0, (U16 *)downloadAddress, downloadFileSize);
}
}
//*****************************************************************************
void SDRAM_Test(void)
{
int i;
U32 data;
int memError=0;
U32 *pt;
printf("Memory Test(%xh-%xh):WR",_RAM_STARTADDRESS,(_ISR_STARTADDRESS&0xfff0000));
pt=(U32 *)_RAM_STARTADDRESS;
while((U32)pt<(_ISR_STARTADDRESS&0xffff0000))
{
*pt=(U32)pt;
pt++;
}
printf("\b\bRD");
pt=(U32 *)_RAM_STARTADDRESS;
while((U32)pt<(_ISR_STARTADDRESS&0xffff0000))
{
data=*pt;
if(data!=(U32)pt)
{
memError=1;
printf("\b\bFAIL:0x%x=0x%x\n",i,data);
break;
}
pt++;
}
if(memError==0)printf("\b\bO.K.\n");
}
/****************** by chang *****************************/
static void Set_Auto_Run(void)
{
printf("\nPlease Input Number:");
Env.Os_Auto_Flag=getch()-'0';
//Env.Os_Auto_Flag=1;
printf("%x\n",Env.Os_Auto_Flag);
NFSaveParams((char *)&Env);
}
/***************** by chang *****************************/
struct {
void (*fun)(void);
char *tip;
}CmdTip[] = {
{UsbMain, "USB download file"},
{comdownload, "Uart download file"},
{NandWrite, "Write Nand flash with download file"},
{NandRunSystem, "Load Pragram from Nand flash and run"},
{NandErase, "Erase Nand flash regions"},
{ProgNorFlash, "Write NOR flash with download file"},
{GetBootParam, "Set boot params"},
//{NandLoadRunW,"Run Wince"},
{Set_Auto_Run,"Set AutoBoot parameter,1:linux 2:wince"},
//{EnterPowerOff, "Test Power off"},
//{SDRAM_Test, "test SDRAM Memory"},
{0, 0}
};
static int Wince_Run=0;
//*****************************************************************************
static void AutoBoot(U32 i)
{
static cnt = 10; //5s
if(!--cnt) {
ReleaseBiosTimerEvent(i);
// if(!DsAutoBoot)
// (*CmdTip[3].fun)();
if((!DsAutoBoot)&&(Env.Os_Auto_Flag==1))NandLoadRun();
if((!DsAutoBoot)&&(Env.Os_Auto_Flag==2))Wince_Run=1;
}
rGPBDAT ^= 1<<5;
}
/*
static void Led1Flash(U32 i)
{
static cnt = 30;
if(!--cnt) {
ReleaseBiosTimerEvent(i);
// ChangeSlowMode(CLKSLOW_PLL_ON);
// Uart_Init(0, UART_BAUD);
}
rGPFDAT ^= 0x80;
}
static void Led2Flash(U32 i)
{
rGPFDAT ^= 0x40;
}
static void Led3Flash(U32 i)
{
rGPFDAT ^= 0x20;
}
static void Led4Flash(U32 i)
{
rGPFDAT ^= 0x10;
}
*/
/******************************************************************************
【功能说明】系统主函数
******************************************************************************/
int Main(U32 RstStat)
{
int i;
// ChangeClockDivider(1, 1); // 1:2:4
// ChangeMPllValue(172,4,1); //FCLK=180.0Mhz
SetClockDivider(1, 1);
SetSysFclk(FCLK_200M); //to save power, use 50M
Port_Init();
Isr_Init();
Uart_Init(0, Console_Baud);
Uart_Select(Console_Uart);
#if 1 //bank0 modified to RO_START
MMU_Init(); //MMU should be reconfigured or turned off for the debugger,
//After downloading, MMU should be turned off for the MMU based program,such as WinCE.
#else
MMU_EnableICache();
UsbMain();
#endif
//enable GPIO,UART0,PWM TIMER,NAND FLASH module clock
// DisableModuleClock(CLOCK_ALL);
EnableModuleClock(CLOCK_ALL);
LcdBackLightOff();
Delay( 0 ) ;
putch('\n');
PwrKeyChkInit();
if(RstStat&1) {
puts("Power on reset\n");
// EnterPowerOff();
}
if(RstStat&4) {
puts("Watchdog reset\n");
// EnterPowerOff();
}
if(RstStat&2) {
puts("Power-off reset\n");
if(RtcAlmWake()) {
puts("Alarm wake up\n");
printf("RTC hr : %d, min : %d\nALM hr : %d, min : %d\n", rBCDHOUR, rBCDMIN, rALMHOUR, rALMMIN);
} else if( PwrKeyWake() ) {
PwrKeyChkEnd = 1;
RequestBiosTimerEvent(1, PwrKeyChk); //reload value = 1, 10ms*1 = 10ms
while(PwrKeyChkEnd>0);
if(PwrKeyChkEnd!=0)
EnterPowerOff();
puts("Power key wake up\n");
}
}
rMISCCR &= ~(0x3007); //USB port0,1 = normal, D0~D31 pull-up enable
Set_Tout1_Pwm( 60 ) ;
//turn on the LCD blacklight!
GPB1_TO_OUT();
GPB1_TO_1();
//special power on timing, please research it!
Lcd_Port_Init();
Lcd_Init();
Beep( 2000, 1000 ) ;
RequestBiosTimerEvent(30, Led4Flash); //when request, auto open bios timer
//RequestBiosTimerEvent(20, Led2Flash);
//RequestBiosTimerEvent(50, Led3Flash);
//RequestBiosTimerEvent(100, Led1Flash);
NFSearchParams((char *)&Env);
printf("Env.Os_Auto_Flag=%x\n",Env.Os_Auto_Flag);
printf("<*******************************************>\n");
printf("<* *>\n");
printf("<* S3C2410 Board BIOS V2006 *>\n");
printf("<* *>\n");
printf("<* Http://www.ucdragon.com *>\n");
printf("<* *>\n");
printf("<* 深圳市优龙科技有限公司 *>\n");
printf("<* *>\n");
printf("<* 版 权 所 有 *>\n");
printf("<* *>\n");
printf("<*******************************************>\n");
if(rBWSCON&6)
{
U32 nor_flash_id;
nor_flash_id = GetFlashID();
puts("NOR Flash Boot, ");
printf("Read ID is : 0x%x\n", nor_flash_id);
if ( (nor_flash_id==0x278200bf) | (nor_flash_id==0x234b00bf) )
{
NorFlashSupport = 1 ;
if(nor_flash_id==0x278200bf) puts("SST39VF160 found\n");
if(nor_flash_id==0x234b00bf) puts("SST39VF1601 found\n");
}
else
printf( "Not supported NorFlash found!!!\n" ) ;
}
else
puts("NAND Flash Boot\n");
Test_Lcd_LTV350QVF05();
RequestBiosTimerEvent(50, AutoBoot); //reload value = 50, 10ms*50 = 500ms
while(1)
{
U8 idx=0;
puts("\nPlease select function : \n");
for(i=0; CmdTip[i].fun!=0; i++)
printf("%d : %s\n", i, CmdTip[i].tip);
while(!idx && (Wince_Run!=1) )
{
idx=getkey();
Delay(500);
if((Wince_Run==1))
NandLoadRunW();//(*CmdTip[7].fun)();
}
//if(Wince_Run==1)(*CmdTip[7].fun)();
Delay(200);
DsAutoBoot = 1; //when get a key press, disable auto boot
idx -= '0';
printf("%x\n",idx);
if(idx