?? platform.c
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#include <stdarg.h>
#include "inc\44b.h"
#include "platform.h"
#include "common.h"
void ChangePllValue(int mdiv,int pdiv,int sdiv)
{
rPLLCON = (mdiv << 12) | (pdiv << 4) | sdiv;
}
void Reset()
{
typedef (*FUNC)(void);
FUNC fp;
fp=(FUNC)0x0;
fp();
}
void Delay(int time)
{
static int DelayLoopCount = 400;
int i,adjust=0;
if(time==0)
{
time=200;
adjust=1;
DelayLoopCount=400;
rWTCON=((MCLK/1000000-1)<<8)|(2<<3);
rWTDAT=0xffff; rWTCNT=0xffff;
rWTCON=((MCLK/1000000-1)<<8)|(2<<3)|(1<<5);
}
for(;time>0;time--)
for(i=0;i<DelayLoopCount;i++);
if(adjust==1)
{
rWTCON=((MCLK/1000000-1)<<8)|(2<<3);
i=0xffff-rWTCNT;
DelayLoopCount=8000000/(i*64);
}
}
//***************************************************************************
#define MVAL_USED (0)
#define MVAL (13)
#define INVCLK (0)
#define INVFRAME (0)
#define INVLINE (0)
#define CLKVAL_SL (8) //VCLK=MCLK/(CLKVAL*2) (CLKVAL >= 2)
#define M5D(n) ((n) & 0x1fffff)
unsigned char Bmp[9600];
void LcdInit(void)
{
int i;
for (i=0;i<sizeof(Bmp);i++) Bmp[i]=0xF0;
rPCOND=0xaaaa;
rLCDCON1=(2)|(INVFRAME<<2)|(INVLINE<<3)|(INVCLK<<4)|(1<<5)|(MVAL_USED<<7)|(1<<8)|(1<<10)|(CLKVAL_SL<<12);
//下降沿裝載視頻數據,禁止視頻輸出,LCD FIFO清空;行、幀信號取反;
//4位單掃描模式;WDLY=8clk,WLH=8clk,CLKVAL_SL=38
rLCDCON2=(239)|(79<<10)|(10<<21);
//垂直點數為240，水平點數320=(80字)，LINEBLANK=10
rLCDSADDR1= (0x0<<27) | ( ((uint)Bmp>>22)<<21 ) | M5D((uint)Bmp>>1);
// 黑白模式, LCDBANK, LCDBASEU
rLCDSADDR2= (1<<29) | (M5D((uint)Bmp + ((320/8)*(240)))>>1) | (MVAL<<21);
rLCDSADDR3= (320/16) | ( 0<<9 );
rLCDCON1=(3)|(INVFRAME<<2)|(INVLINE<<3)|(INVCLK<<4)|(1<<5)|(MVAL_USED<<7)|(1<<8)|(1<<10)|(CLKVAL_SL<<12);
}
void PortInit(void)
{
// PORT A GROUP
/* BIT 9 8 7 6 5 4 3 2 1 0 */
/* A24 A23 A22 A21 A20 A19 A18 A17 A16 A0 */
/* 0 1 1 1 1 1 1 1 1 1 */
rPCONA = 0x0ff;
rPDATA = 0x0ff;
// PORT B GROUP
/* BIT 10 9 8 7 6 5 4 3 2 1 0 */
/* /CS5 /CS4 /CS3 /CS2 /CS1 nWBE3 nWBE2 /SRAS /SCAS SCLK SCKE */
/* EXT NIC USB IDE SMC NC NC Sdram Sdram Sdram Sdram */
/* 0, 0, 0, 0, 1, 0, 0, 1, 1, 1, 1 */
rPDATB = 0x7ff;
rPCONB = 0x7ff;
//改動 by yang 2003.5
//PORT C GROUP
//BUSWIDTH=16 */
/* PC15 14 13 12 11 10 9 8 */
/* o o RXD1 TXD1 o o o o */
/* NC NC Uart1 Uart1 NC NC NC NC */
/* 11 11 11 11 11 11 01 00 */
/* PC7 6 5 4 3 2 1 0 */
/* o o o o o o o o */
/* NC NC NC NC SMCALE SMCCLE SMCCE SMCRB*/
/* 01 01 01 01 01 01 01 01 */
rPDATC = 0x0000; //All IO is low
rPCONC = 0xfff45555;
rPUPC = 0xFC00; //PULL UP RESISTOR should be enabled to I/O
//PORT D GROUP
/* PORT D GROUP(I/O OR LCD) */
/* BIT7 6 5 4 3 2 1 0 */
/* VF VM VLINE VCLK VD3 VD2 VD1 VD0 */
/* 01 01 01 01 01 01 01 01 */
rPDATD= 0x55;
rPCOND= 0xaaaa;
rPUPD = 0x00;
//These pins must be set only after CPU's internal LCD controller is enable
/////////////////////////////////////////////////////
//PORT E GROUP
/* Bit 8 7 6 5 4 3 2 1 0 */
/* ENDLAN LED3 LED2 LED1 LED0 BEEP RXD0 TXD0 CLKOUT */
/* 00 01 01 01 01 01 10 10 00 */
rPDATE = 0x157;
rPCONE = 0x5528;
rPUPE = 0xff;
//PORT F GROUP
/* Bit8 7 6 5 4 3 2 1 0 */
/* IISCLK IISDI IISDO IISLRCK Input Input Input IICSDA IICSCL */
/* 100 100 100 100 00 01 01 10 10 */
rPDATF = 0x0;
rPCONF = 0x24915a;
rPUPF = 0x1E3;
//PORT G GROUP
/* BIT7 6 5 4 3 2 1 0 */
/* INT7 INT6 INT5 INT4 INT3 INT2 INT1 INT0 */
/* S3 S4 S5 S6 NIC EXT IDE USB */
/* 11 11 11 11 11 11 11 11 */
rPDATG = 0xFF;
rPCONG = 0xFFFF;
rPUPG = 0x00; //should be enabled
rSPUCR=0x7; //D15-D0 pull-up disable
/*定義非Cache區*/
rNCACHBE0 = 0xc0002000;
/*所有的外部硬件中斷為低電平觸發*/
rEXTINT=0x0044;
}
void IsrInit(void)
{
rINTCON=0x5; //Non-vectored,IRQ enable,FIQ disable //
rINTMOD=0x0; //All=IRQ mode//
rINTMSK=~(BIT_GLOBAL); //Default value=0x7ffffff//
}
void Uart0Init(int mclk,int baud)
{
if(mclk == 0) mclk = MCLK;
rUFCON0 = 0x00; //禁止使用FIFO
rUMCON0 = 0x0; //禁止使用FIFO
rULCON0 = 0x3; //正常無奇偶校驗，一個停止位，8個數據位
rUCON0 = 0x245;
//rx=edge,tx=level,disable timeout int.,enable rx error int.,normal,interrupt or polling
rUBRDIV0 = ( (int)(mclk/16./baud + 0.5) -1 );
//UBRDIVn = ((int)(MCLK/16/baud + 0.5) -1) 波特率與系統主時鐘計算公式
Delay(1); //延時若干個100us
}
void Uart1Init(int mclk,int baud)
{
if(mclk == 0) mclk = MCLK;
rUFCON1 = 0x0; //禁止使用FIFO
rUMCON1 = 0x0; //禁止使用FIFO
rULCON1 = 0x3; //正常無奇偶校驗，一個停止位，8個數據位
rUCON1 = 0x245;
//rx=edge,tx=level,disable timeout int.,enable rx error int.,normal,interrupt or polling
rUBRDIV1 = ( (int)(mclk/16./baud + 0.5) -1 );
//UBRDIVn = ((int)(MCLK/16/baud + 0.5) -1) 波特率與系統主時鐘計算公式
Delay(1); //延時若干個100us
}
char GetChar(uint8 ch)
{
if(ch == 0)
{
while(!(rUTRSTAT0 & 0x1)); //等待直到接受到一個數據
return rURXH0;
}
else
{
while(!(rUTRSTAT1 & 0x1)); //等待直到接受到一個數據
return rURXH1;
}
}
//***************************************************************************
/****************************************************************************
【功能說明】檢查串行口是否收到字符并返回，ch為0從UART0收取，ch為1從UART1收取
****************************************************************************/
char GetKey(uint8 ch)
{
if(ch == 0)
{
if(rUTRSTAT0 & 0x1) //如果收到字符就返回該字符
return rURXH0;
else return 0; //如果沒有收到字符就返回0
}
else
{
if(rUTRSTAT1 & 0x1) //如果收到字符就返回該字符
return rURXH1;
else return 0; //如果沒有收到字符就返回0
}
}
void LedOut(uint8 ch, uint8 flag)
{
char chmod1[]={0x48,0xeb,0x52, 0x62,0xe1,0x64,0x44,0xea,0x40,0x60,0xC0,0x45,0x5c,0x43,0x54,0xd4};
unsigned short value;
volatile short *p = (volatile short *)0x6080000;
if (flag) {
value = chmod1[ch/16];
value <<= 8;
value |= chmod1[ch%16];
} else {
if (ch>99) ch = ch % 100;
value = chmod1[ch/10];
value <<= 8;
value |= chmod1[ch%10];
}
*p = value;
}
void PutChar (uint8 ch,uint8 data)
{
if(ch == 0)
{
if(data == '\n')
{
while(!(rUTRSTAT0 & 0x2));
//改動延時時間1--10
Delay(10); //由于超級終端反應較慢，有一個微小延遲
WrUTXH0('\r');
}
while(!(rUTRSTAT0 & 0x2)); //等待知道THR變空
//改動延時時間1--10
Delay(10);
rUTXH0 = data;
} else {
if(data == '\n')
{
while(!(rUTRSTAT1 & 0x2));
//改動延時時間1--10
Delay(10); //由于超級終端反應較慢，有一個微小延遲
rUTXH1 = '\r';
}
while(!(rUTRSTAT1 & 0x2)); //等待知道THR變空
//改動延時時間1--10
Delay(10);
rUTXH1 = data;
}
}
void PutStr(uint8 ch,char *pt)
{
while(*pt) PutChar(ch,*pt++);
}
void FlashNonCache(int n)
{
static uint oldvalue;
if (n) {
oldvalue = rNCACHBE0;
rNCACHBE0 = 0x20000000;
} else {
rNCACHBE0 = oldvalue;
}
}
void OutPut(uint8 ch,char *fmt,...)
{
va_list ap;
char string[256];
va_start(ap,fmt);
vsprintf(string,fmt,ap);
PutStr(ch,string);
va_end(ap);
}
void Output(char *fmt,...)
{
va_list ap;
char string[256];
va_start(ap,fmt);
vsprintf(string,fmt,ap);
PutStr(UART,string);
va_end(ap);
}
int NetInit()
{
//
// Reset MAC
//
*CPLDREG1 |= 0x20;
Delay(500);
*CPLDREG1 &= 0xDF;
Delay(100);
*(NETBASE+0x1e) = *(NETBASE+0x1e + 0x20);
Delay(100);
// Page 3 Set power status & msic
//
*(NETBASE+0x00) = 0xc1;
*(NETBASE+0x20) = 0xc0;
*(NETBASE+0x04) = 0x80;
*(NETBASE+0x24) = 0x00;
*(NETBASE+0x06) = 0x70;
*(NETBASE+0x26) = 0xFF;
//
// Page 0 Write MAC
//
*(NETBASE+0x00) = 0x21;
*(NETBASE+0x20) = 0;
*(NETBASE+0x02) = 0;
*(NETBASE+0x22) = 0;
*(NETBASE+0x04) = 0;
*(NETBASE+0x24) = 0;
*(NETBASE+0x06) = 0;
*(NETBASE+0x26) = 0;
*(NETBASE+0x08) = 0;
*(NETBASE+0x28) = 0;
*(NETBASE+0x0a) = 0;
*(NETBASE+0x2a) = 0;
*(NETBASE+0x0c) = 0xC4;
*(NETBASE+0x2c) = 0xE0;
*(NETBASE+0x0e) = 0xBC;
*(NETBASE+0x2e) = 0x80;
//
// Page 1 Write MAC
//
*(NETBASE+0x00) = 0x41;
*(NETBASE+0x20) = ' ';
*(NETBASE+0x02) = '4';
*(NETBASE+0x22) = '4';
*(NETBASE+0x04) = 'B';
*(NETBASE+0x24) = '0';
*(NETBASE+0x06) = 'X';
*(NETBASE+0x26) = 0;
*(NETBASE+0x08) = 0;
*(NETBASE+0x28) = 0;
*(NETBASE+0x0a) = 0;
*(NETBASE+0x2a) = 0;
*(NETBASE+0x0c) = 0;
*(NETBASE+0x2c) = 0;
*(NETBASE+0x0e) = 0;
*(NETBASE+0x2e) = 0;
*(NETBASE+0x00) = 0x22;
return 1;
}
void BoardInit (void)
{
LedOut(0x10,1);
rSYSCFG = CACHECFG; //8K cache
rNCACHBE0 = 0xc0002000; //Disable I/O cache
ChangePllValue(PLLM, PLLP, PLLS);
LedOut(0x11,1);
PortInit();
LedOut(0x12,1);
IsrInit();
LedOut(0x13,1);
Uart0Init(0,115200);
Uart1Init(0,115200);
LedOut(0x14,1);
LcdInit();
LedOut(0x15,1);
NetInit();
LedOut(0x80,1);
}
void entercritical (void)
{
}
void exitcritical (void)
{
}
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