?? control.c
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#include "../inc/def.h"
#include "../inc/config.h"
#include "../inc/board.h"
#include "../inc/slib.h"
#include "../inc/utils.h"
#include "2410addr.h"
EnvParams Env;
#define ROM_SIZE SIZE_2M
void PortInit(void)
{
//CAUTION:Follow the configuration order for setting the ports.
// 1) setting value(GPnDAT)
// 2) setting control register (GPnCON)
// 3) configure pull-up resistor(GPnUP)
//32bit data bus configuration
//*** PORT A GROUP
//Ports : GPA22 GPA21 GPA20 GPA19 GPA18 GPA17 GPA16 GPA15 GPA14 GPA13 GPA12
//Signal : nFCE OUT nFRE nFWE ALE CLE nGCS5 nGCS4 nGCS3 nGCS2 nGCS1
//Binary : 1 0 1 , 1 1 1 1 , 1 1 1 1
//Ports : GPA11 GPA10 GPA9 GPA8 GPA7 GPA6 GPA5 GPA4 GPA3 GPA2 GPA1 GPA0
//Signal : ADDR26 ADDR25 ADDR24 ADDR23 ADDR22 ADDR21 ADDR20 ADDR19 ADDR18 ADDR17 ADDR16 ADDR0
//Binary : 1 1 1 1 , 1 1 1 1 , 1 1 1 1
rGPACON = 0x5fffff ;
//**** PORT B GROUP
//Ports : GPB10 GPB9 GPB8 GPB7 GPB6 GPB5 GPB4 GPB3 GPB2 GPB1 GPB0
//Signal : nXDREQ0 nXDACK0 nXDREQ1 nXDACK1 nSS_KBD nDIS_OFF L3CLOCK L3DATA L3MODE nIrDATXDEN Keyboard
//Setting: INPUT OUTPUT INPUT OUTPUT INPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT
//Binary : 00 , 01 00 , 01 00 , 01 01 , 01 01 , 01 01
rGPBCON = 0x044555 ;
rGPBUP = 0x7ff ; // The pull up function is disabled GPB[10:0]
//*** PORT C GROUP
//Ports : GPC15 GPC14 GPC13 GPC12 GPC11 GPC10 GPC9 GPC8 GPC7 GPC6 GPC5 GPC4 GPC3 GPC2 GPC1 GPC0
//Signal : VD7 VD6 VD5 VD4 VD3 VD2 VD1 VD0 LCDVF2 LCDVF1 LCDVF0 VM VFRAME VLINE VCLK LEND
//Binary : 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10
rGPCCON = 0xaaaaaaaa;
rGPCUP = 0xffff; // The pull up function is disabled GPC[15:0]
//*** PORT D GROUP
//Ports : GPD15 GPD14 GPD13 GPD12 GPD11 GPD10 GPD9 GPD8 GPD7 GPD6 GPD5 GPD4 GPD3 GPD2 GPD1 GPD0
//Signal : VD23 VD22 VD21 VD20 VD19 VD18 VD17 VD16 VD15 VD14 VD13 VD12 VD11 VD10 VD9 VD8
//Binary : 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 ,10 10
rGPDCON = 0xaaaaaaaa;
rGPDUP = 0xffff; // The pull up function is disabled GPD[15:0]
//*** PORT E GROUP
//Ports : GPE15 GPE14 GPE13 GPE12 GPE11 GPE10 GPE9 GPE8 GPE7 GPE6 GPE5 GPE4
//Signal : IICSDA IICSCL SPICLK SPIMOSI SPIMISO SDDATA3 SDDATA2 SDDATA1 SDDATA0 SDCMD SDCLK I2SSDO
//Binary : 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 ,
//-------------------------------------------------------------------------------------------------------
//Ports : GPE3 GPE2 GPE1 GPE0
//Signal : I2SSDI CDCLK I2SSCLK I2SLRCK
//Binary : 10 10 , 10 10
rGPECON = 0xa66aaaaa; //GPE11 input, GPE13 output
rGPEUP = 0xffff; // The pull up function is disabled GPE[15:0]
rGPEDAT = 0; //GPE11,13 output 0
//*** PORT F GROUP
//Ports : GPF7 GPF6 GPF5 GPF4 GPF3 GPF2 GPF1 GPF0
//Signal : nLED_8 nLED_4 nLED_2 nLED_1 nIRQ_PCMCIA EINT2 KBDINT EINT0
//Setting: Output Output Output Output EINT3 EINT2 EINT1 EINT0
//Binary : 01 01 , 01 01 , 10 10 , 10 10
rGPFCON = 0x5500; // GPF0~3 input
rGPFUP = 0xff; // The pull up function is disabled GPF[7:0]
//*** PORT G GROUP
//Ports : GPG15 GPG14 GPG13 GPG12 GPG11 GPG10 GPG9 GPG8 GPG7 GPG6
//Signal : nYPON YMON nXPON XMON EINT19 DMAMODE1 DMAMODE0 DMASTART KBDSPICLK KBDSPIMOSI
//Setting: nYPON YMON nXPON XMON Input Intput Input Input SPICLK1 SPIMOSI1
//Binary : 11 11 , 11 11 , 00 00 , 00 00 , 11 11
//-----------------------------------------------------------------------------------------
//Ports : GPG5 GPG4 GPG3 GPG2 GPG1 GPG0
//Signal : KBDSPIMISO LCD_PWREN EINT11 nSS_SPI IRQ_LAN IRQ_PCMCIA
//Setting: SPIMISO1 LCD_PWRDN Input Input Input Input
//Binary : 11 11 , 00 00 , 00 00
rGPGCON = 0xff001318; //GPG0,1,3 input, GPG2,6 output GPG5,7,8,9,10,11 input
rGPGUP = 0xffff; // The pull up function is disabled GPG[15:0]
rGPGDAT = 0; //GPG2,6 output0
//*** PORT H GROUP
//Ports : GPH10 GPH9 GPH8 GPH7 GPH6 GPH5 GPH4 GPH3 GPH2 GPH1 GPH0
//Signal : CLKOUT1 CLKOUT0 UCLK nCTS1 nRTS1 RXD1 TXD1 RXD0 TXD0 nRTS0 nCTS0
//Binary : 10 , 10 10 , 11 11 , 10 10 , 10 10 , 10 10
rGPHCON = 0x2afaaa;
//rGPHUP = 0x7ff; // The pull up function is disabled GPH[10:0]
rGPHUP = 0x000; // The pull up function is enabled GPH[10:0]
//External interrupt will be falling edge triggered.
rEXTINT0 = 0x22222222; // EINT[7:0]
rEXTINT1 = 0x22222242; // EINT[15:8],EINT9 rising edge
rEXTINT2 = 0x22222222; // EINT[23:16]
}
void MemCfgInit(void)
{
//rCLKCON |= 0xffff0;
//enable nand flash control, initilize ecc, chip disable,
rNFCONF = (1<<15)|(1<<12)|(1<<11)|(7<<8)|(7<<4)|(7);
}
#include "../inc/mmu.h"
/*
SDRAM地址范圍:0x30000000~0x33ffffff 共64M
0x30000000~0x337fffff為非cache區(qū),可用作LCD緩沖,
USB的DMA方式接收數(shù)據(jù)的緩沖和音頻輸入輸出DMA緩沖及其它DMA方式的實(shí)驗
0x33800000~0x33ffffff為cache區(qū),可為程序及變量和棧空間
*/
//以M對齊
static MMU_Table mmu_table[] = {
{0x00000000, 0x00100000, DRAM_END-SIZE_1M, RW_CB}, //inter-rom ram
// {0x00000000, 0x00100000, (U32)__ENTRY, RW_CB}, //inter-rom ram
//!!! Important note, redirect IRQ vector to reset entry !!!
{0x08000000, 0x0ff00000, 0x00000000, RW_NCNB}, //bank0
{0x10000000, 0x17f00000, 0x10000000, RW_NCNB}, //bank2
{0x18000000, 0x1ff00000, 0x18000000, RW_NCNB}, //bank3
{0x20000000, 0x27f00000, 0x20000000, RW_NCNB}, //bank4
{0x28000000, 0x2ff00000, 0x28000000, RW_NCNB}, //bank5
{0x30000000, 0x33800000, 0x30000000, (AP_RO|DOMAIN0|NCNB|DESC_SEC)}, //bank6-1
{0x33800000, 0x33f00000, 0x33800000, RW_CB}, //bank6-2
{0x38000000, 0x3ff00000, 0x38000000, RW_NCNB}, //bank7
{0x40000000, 0x5af00000, 0x40000000, RW_NCNB}, //SFR
{0x5b000000, 0x7ff00000, 0x5b000000, RW_FAULT}, //not used
{0x80000000, 0x87f00000, 0x08000000, RW_NCNB}, //bank1
{0x88000000, 0xfff00000, 0x88000000, RW_FAULT}, //not used
{0, 0, 0, 0}
};
void BoardInitStart(void)
{
MMU_Init(mmu_table);
memcpy((char *)(DRAM_END-SIZE_1M), (char *)__ENTRY, 0x1000);
}
void BoardInitEnd(void)
{
}
void CacheDisable(void)
{
MMU_DisableDCache();
}
void CacheEnable(void)
{
MMU_EnableDCache();
}
void CacheFlush(void)
{
MMU_DCacheCleanInvalidateAll();
}
void EnableIrq(int bit)
{
rINTMSK &= ~(bit);
}
void DisableIrq(int bit)
{
rINTMSK |= (bit);
}
/***********************下面是時鐘相關(guān)函數(shù)**********************************/
#define EXT_OSC_CLK 12000000
static struct{
U32 mclk;
U32 pclk;
U32 sclk;
U32 freq;
} ClkPara;
static U32 clk_div_val;
static void ChangeClockDivider(void)
{
// hdivn,pdivn FCLK:HCLK:PCLK
// 0,0 1:1:1
// 0,1 1:1:2
// 1,0 1:2:2
// 1,1 1:2:4
rCLKDIVN = clk_div_val ;//(hclk_div<<1) | pclk_div;
if(clk_div_val&2)
MMU_SetAsyncBusMode();
else
MMU_SetFastBusMode();
}
static void set_pll(void)
{
U32 old_freq;
if(ClkPara.mclk>255)
ClkPara.mclk = 255;
if(ClkPara.pclk>63)
ClkPara.pclk = 63;
if(ClkPara.sclk>3)
ClkPara.sclk = 3;
old_freq = ClkPara.freq;
ClkPara.freq = (EXT_OSC_CLK*(ClkPara.mclk+8))/((ClkPara.pclk+2)<<ClkPara.sclk);
if((ClkPara.freq>=270000000)||(ClkPara.freq<5*EXT_OSC_CLK)) {
ClkPara.mclk = 192;
ClkPara.pclk = 4;
ClkPara.sclk = 1;
ClkPara.freq = EXT_OSC_CLK*180U/12U;
}
clk_div_val = 0;
if(ClkPara.freq>=80000000) {
if(ClkPara.freq>=120000000) {
clk_div_val |= 2;
if(ClkPara.freq>=160000000)
clk_div_val |= 1;
} else
clk_div_val |= 1; //80~120MHz
}
if(old_freq<ClkPara.freq)
ChangeClockDivider();
rMPLLCON = (ClkPara.mclk << 12) | (ClkPara.pclk << 4) | ClkPara.sclk;
ChangeClockDivider();
}
void SystemClockInit(void)
{
ClkPara.mclk = 192;
ClkPara.pclk = 4;
ClkPara.sclk = 1;
set_pll();
}
U32 GetCpuClock(void)
{
return ClkPara.freq;
}
U32 GetMasterClock(void)
{
U32 clk;
clk = GetCpuClock();
if(rCLKDIVN&2)
clk >>= 1;
if(rCLKDIVN&1)
clk >>= 1;
return clk;
}
U32 GetSysClock(SysClock pSysClock[])
{
pSysClock[0].name = "CPU";
pSysClock[0].freq = GetCpuClock();
pSysClock[1].name = "HCLK";
pSysClock[1].freq = GetCpuClock()>>((rCLKDIVN&2)>>1);
pSysClock[2].name = "PCLK";
pSysClock[2].freq = GetMasterClock();
return 3;
}
void SetSysClockPara(void *addr)
{
U32 *pData = addr;
ClkPara.mclk = pData[0];
ClkPara.pclk = pData[1];
ClkPara.sclk = pData[2];
set_pll();
}
void GetSysClockPara(void *addr)
{
U32 *pData = addr;
pData[0] = ClkPara.mclk;
pData[1] = ClkPara.pclk;
pData[2] = ClkPara.sclk;
pData[3] = ClkPara.freq;
}
void TimerInit(U32 HZ)
{
rTCFG0 &= 0xffff00ff;
rTCFG0 |= 1<<8; //1/2 prescaler
rTCFG1 &= 0xfff0ffff;
rTCFG1 |= 3<<16; //mux = 1/16
rTCNTB4 = GetMasterClock()/( HZ*2*16 ) - 1 ;
rTCON &= 0xff0fffff; //stop Timer4
rTCON |= 0x00700000; //auto-reload, update TCNTB4, start Timer4
rTCON &= 0xffdfffff;
}
void Delay(U32 ms)
{
U16 i;
i = rTCNTB4>>1; //1000us/2
rTCON &= ~(1<<20);
rTCON |= (1<<20); //停止再啟動,重裝初值,減計數(shù)
while(ms--) {
while(rTCNTO4>=i);
while(rTCNTO4<i);
}
}
/***************************************************************************************************/
/************************下面是串口通訊相關(guān)函數(shù)***********************************************************/
/***************************************************************************************************/
static U16 SerialPortSel;
U16 SerialSwitch(U16 port)
{
#ifdef SERIAL_PORTS_SWITCH
// U16 old_sel = SerialPortSel;
SerialPortSel = port?1:0;
#else
SerialPortSel = 0;
#endif
return SerialPortSel;
}
void SerialChgBaud(U32 baud)
{
U32 mclk = GetMasterClock();
rUFCON0 = 0x0; //FIFO disable
rUFCON1 = 0x0;
rUMCON0 = 0x0;
rUMCON1 = 0x0;
//UART0
// rULCON0 = 0x7; //Normal,No parity,2 stop,8 bit
rULCON0 = 0x3; //Normal,No parity,1 stop,8 bit
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);
//UART1
// rULCON1 = 0x7; //Normal,No parity,2 stop,8 bit
rULCON1 = 0x3;
rUCON1 = 0x245;
rUBRDIV1 = ((int)(mclk/16./baud + 0.5) -1);
}
void SerialTxEmpty(void)
{
// if(SerialPortSel)
while(!(rUTRSTAT1 & 0x4)); //wait until tx shifter is empty.
// else
while(!(rUTRSTAT0 & 0x4)); //Wait until tx shifter is empty.
}
void SerialTxChar(char data)
{
if(SerialPortSel) {
if(data=='\n') {
while(!(rUTRSTAT1 & 0x4));
//Delay(1); //because the slow response of hyper_terminal
WrUTXH1('\r');
}
while(!(rUTRSTAT1 & 0x4)); //Wait until THR is empty.
// Delay(1);
WrUTXH1(data);
} else {
if(data=='\n') {
while(!(rUTRSTAT0 & 0x4));
//Delay(1); //because the slow response of hyper_terminal
WrUTXH0('\r');
}
while(!(rUTRSTAT0 & 0x4)); //Wait until THR is empty.
// Delay(1);
WrUTXH0(data);
}
}
int SerialRxReady(void)
{
if(SerialPortSel)
return (rUTRSTAT1 & 0x1); //Receive data ready
else
return (rUTRSTAT0 & 0x1); //Receive data ready
}
char SerialRxKey(void)
{
if(SerialPortSel) {
if((rUTRSTAT1 & 0x1)) //Receive data ready
return RdURXH1();
} else {
if((rUTRSTAT0 & 0x1)) //Receive data ready
return RdURXH0();
}
return 0;
}
char SerialRxChar(void)
{
if(SerialPortSel) {
while(!(rUTRSTAT1 & 0x1)); //Receive data ready
return RdURXH1();
} else {
while(!(rUTRSTAT0 & 0x1)); //Receive data ready
return RdURXH0();
}
}
int SerialRxToBuf(char *b)
{
if(SerialPortSel) {
if(rUTRSTAT1 & 0x1) //Receive data ready
*b = RdURXH1();
else
return 0;
} else {
if(rUTRSTAT0 & 0x1) //Receive data ready
*b = RdURXH0();
else
return 0;
}
return 1;
}
void SerialTxString(char *s)
{
while(*s)
SerialTxChar(*s++);
}
//*****************************************************************************
//get a number for the uart
//*****************************************************************************
int Uart_GetIntNum(void)
{
char string[256] ;
char *p_string = string ;
char c;
int i = 0 ;
int data = 0 ;
while( (c=getch()/*SerialRxChar()*/) != '\r' )
{
if(c=='\b') p_string--;
else *p_string++=c;
//printf("get input:");
putch(c)/*SerialTxChar( c )*/ ;
}
*p_string = '\0';
i = 0 ;
while( string[i] != '\0' )
{
data = data * 10 ;
if( string[i]<'0'||string[i]>'9' )
return -1 ;
data = data + ( string[i]-'0' ) ;
i++ ;
}
return data ;
}
//*****************************************************************************
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