void LED2_off(void)
{
S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
gpio->GPFDAT |= 1 << STATUS_LED_BIT2;
}
int board_init (void)
{
S3C24X0_CLOCK_POWER * const clk_power = S3C24X0_GetBase_CLOCK_POWER();
S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
/* to reduce PLL lock time, adjust the LOCKTIME register */
clk_power->LOCKTIME = 0xFFFFFF;
/* FCLK:HCLK:PCLK = 1:4:8 */
clk_power->CLKDIVN = 0x05;
/* Change to Asynchronous bus mode */
__asm__( "mrc p15, 0, r1, c1, c0, 0\n" /* read ctrl register */
"orr r1, r1, #0xc0000000\n" /* Asynchronous */
"mcr p15, 0, r1, c1, c0, 0\n" /* write ctrl register */
:::"r1"
);
/* configure MPLL */
clk_power->MPLLCON = ((M_MDIV << 12) + (M_PDIV << 4) + M_SDIV);
/* some delay between MPLL and UPLL */
delay (4000);
/* configure UPLL */
clk_power->UPLLCON = ((U_M_MDIV << 12) + (U_M_PDIV << 4) + U_M_SDIV);
/* some delay between MPLL and UPLL */
delay (8000);
/* set up the I/O ports */
gpio->GPACON = 0x007FFFFF;
gpio->GPBCON = 0x00044554;
gpio->GPBUP = 0x000007FF;
gpio->GPCCON = 0xAAAAAAAA;
gpio->GPCUP = 0x0000FFFF;
gpio->GPDCON = 0xAAAAAAAA;
gpio->GPDUP = 0x0000FFFF;
gpio->GPECON = 0xAAAAAAAA;
gpio->GPEUP = 0x0000FFFF;
gpio->GPFCON = 0x000055AA;
gpio->GPFUP = 0x000000FF;
gpio->GPGCON = 0xFF95FFBA;
gpio->GPGUP = 0x0000FFFF;
gpio->GPHCON = 0x002AFAAA;
gpio->GPHUP = 0x000007FF;
/* arch number of SMDK2410-Board */
gd->bd->bi_arch_number = MACH_TYPE_MINI2440;
/* adress of boot parameters */
gd->bd->bi_boot_params = 0x30000100;
icache_enable();
dcache_enable();
return 0;
}
int board_init (void)
{
S3C24X0_CLOCK_POWER * const clk_power = S3C24X0_GetBase_CLOCK_POWER();
S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
clk_power->CLKDIVN = S3C2410_CLKDIV;
/* change to asynchronous bus mod */
__asm__( "mrc p15, 0, r1, c1, c0, 0\n" /* read ctrl register */
"orr r1, r1, #0xc0000000\n" /* Asynchronous */
"mcr p15, 0, r1, c1, c0, 0\n" /* write ctrl register */
:::"r1"
);
/* to reduce PLL lock time, adjust the LOCKTIME register */
clk_power->LOCKTIME = 0xFFFFFF;
/* configure MPLL */
clk_power->MPLLCON = S3C2410_MPLL_200MHZ;
/* some delay between MPLL and UPLL */
delay (4000);
/* configure UPLL */
clk_power->UPLLCON = S3C2410_UPLL_48MHZ;
/* some delay between MPLL and UPLL */
delay (8000);
/* set up the I/O ports */
gpio->GPACON = 0x007FFFFF;
gpio->GPBCON = 0x00045555;
gpio->GPBDAT &= (~(1<<6));
gpio->GPBUP = 0x000007FF;
gpio->GPCCON = 0xAAAAAAAA;
gpio->GPCUP = 0x0000FFFF;
gpio->GPDCON = 0xAAAAAAAA;
gpio->GPDUP = 0x0000FFFF;
gpio->GPECON = 0xAAAAAAAA;
gpio->GPEUP = 0x0000FFFF;
gpio->GPFCON = 0x000055AA;
gpio->GPFUP = 0x000000FF;
gpio->GPGCON = 0xFF95FFBA;
gpio->GPGUP = 0x0000FFFF;
gpio->GPHCON = 0x002AFAAA;
gpio->GPHUP = 0x000007FF;
/* arch number of SMDK2410-Board */
gd->bd->bi_arch_number = MACH_TYPE_SMDK2410;
/* adress of boot parameters */
gd->bd->bi_boot_params = 0x30000100;
icache_enable();
dcache_enable();
return 0;
}
/*
* Miscellaneous platform dependent initialisations
*/
int board_init (void)
{
S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
/* set up the I/O ports */
/*
gpio->GPACON = 0x007FFFFF;
gpio->GPBCON = 0x00055555;
gpio->GPBUP = 0x000007FF;
gpio->GPCCON = 0xAAAAAAAA;
gpio->GPCUP = 0x0000FFFF;
gpio->GPDCON = 0xAAAAAAAA;
gpio->GPDUP = 0x0000FFFF;
gpio->GPECON = 0xAAAAAAAA;
gpio->GPEUP = 0x0000FFFF;
gpio->GPFCON = 0x000055AA;
gpio->GPFUP = 0x000000FF;
gpio->GPGCON = 0xFF94FFBA;
gpio->GPGUP = 0x0000FFEF;
gpio->GPGDAT = gpio->GPGDAT & ((~(1<<4)) | (1<<4)) ;
gpio->GPHCON = 0x002AFAAA;
gpio->GPHUP = 0x000007FF;
gpio->GPJCON = 0x02aaaaaa;
gpio->GPJUP = 0x00001fff;
*/
gpio->GPACON = 0x007FFFFF; //每个 pin的设置取决于原理图，从原理图可知 GPA的每个IO都是使用的其特殊功能
gpio->GPBCON = 0x00044555; //每组GPIO的配置方式不一致，需要结合主控的数据手册和板子的原理图来进行配置
gpio->GPBUP = 0x000007FF;
gpio->GPCCON = 0xAAAAAAAA;
gpio->GPCUP = 0x0000FFFF;
gpio->GPDCON = 0xAAAAAAAA;
gpio->GPDUP = 0x0000FFFF;
gpio->GPECON = 0xAAAAAAAA;
gpio->GPEUP = 0x0000FFFF;
gpio->GPFCON = 0x000055AA;
gpio->GPFUP = 0x000000FF;
gpio->GPGCON = 0xFF95FFBA;
gpio->GPGUP = 0x0000FFFF;
gpio->GPHCON = 0x002AFAAA;
gpio->GPHUP = 0x000007FF;
// S3C24X0_I2S * const i2s = S3C24X0_GetBase_I2S(); //HJ_add 屏蔽IIS,
// i2s->IISCON = 0x00; //HJ_add 屏蔽IIS,
/* arch number of TQ2440-Board */
gd->bd->bi_arch_number = MACH_TYPE_JZ2440;
/* adress of boot parameters */
gd->bd->bi_boot_params = 0x30000100;
icache_enable();
dcache_enable();
return 0;
}
void iic_init()
{
S3C24X0_I2C * const i2c = S3C24X0_GetBase_I2C();
S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
gpio->GPEUP |= 0xc000;
gpio->GPECON |= 0xa00000;
i2c->IICCON =ACKENABLE|(0<<6)|TXRXINTR|0xf;
i2c->IICADD = 0x10;
i2c->IICSTAT = 0x10;
}
int board_init (void)
{
DECLARE_GLOBAL_DATA_PTR;
S3C24X0_CLOCK_POWER * const clk_power = S3C24X0_GetBase_CLOCK_POWER();
S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
/* to reduce PLL lock time, adjust the LOCKTIME register */
clk_power->LOCKTIME = 0xFFFFFF;
/* configure MPLL */
clk_power->MPLLCON = ((M_MDIV << 12) + (M_PDIV << 4) + M_SDIV);
/* some delay between MPLL and UPLL */
delay (4000);
/* configure UPLL */
clk_power->UPLLCON = ((U_M_MDIV << 12) + (U_M_PDIV << 4) + U_M_SDIV);
/* some delay between MPLL and UPLL */
delay (8000);
/* set up the I/O ports */
gpio->GPACON = 0x007FFFFF;
gpio->GPBCON = 0x00044555;
gpio->GPBUP = 0x000007FF;
gpio->GPCCON = 0xAAAAAAAA;
gpio->GPCUP = 0x0000FFFF;
gpio->GPDCON = 0xAAAAAAAA;
gpio->GPDUP = 0x0000FFFF;
gpio->GPECON = 0xAAAAAAAA;
gpio->GPEUP = 0x0000FFFF;
gpio->GPFCON = 0x000055AA;
gpio->GPFUP = 0x000000FF;
gpio->GPGCON = 0xFF95FFBA;
gpio->GPGUP = 0x0000FFFF;
gpio->GPHCON = 0x002AFAAA;
gpio->GPHUP = 0x000007FF;
/* arch number of SMDK2410-Board */
gd->bd->bi_arch_number = MACH_TYPE_SMDK2410;
/* adress of boot parameters */
gd->bd->bi_boot_params = 0x30000100;
icache_enable();
dcache_enable();
return 0;
}
void IRQ_Handle(void)
{
unsigned long oft = intregs->INTOFFSET;
S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
// printk("IRQ_Handle: %d\n", oft);
//清中断
if( oft == 4 ) gpio->EINTPEND = 1<<7; //EINT4-7合用IRQ4，注意EINTPEND[3:0]保留未用，向这些位写入1可能导致未知结果
intregs->SRCPND = 1<<oft;
intregs->INTPND = intregs->INTPND;
/* run the isr */
isr_handle_array[oft]();
}
void LED_init(void)
{
S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
gpio->GPFCON &= ~((GPIO_PIN_MASK << STATUS_LED_BIT1*2) | (GPIO_PIN_MASK << STATUS_LED_BIT2*2) \
| (GPIO_PIN_MASK << STATUS_LED_BIT4*2));
gpio->GPFCON |= (GPIO_PIN_OUTPUT << STATUS_LED_BIT1*2) | (GPIO_PIN_OUTPUT << STATUS_LED_BIT2*2) \
| (GPIO_PIN_OUTPUT << STATUS_LED_BIT4*2);
gpio->GPFUP &= (GPIO_PULLUP_DIS << STATUS_LED_BIT1) | (GPIO_PULLUP_DIS << STATUS_LED_BIT2) \
| (GPIO_PULLUP_DIS << STATUS_LED_BIT4);
if (STATUS_LED_ACTIVE == 0){
gpio->GPFDAT |= ((1 << STATUS_LED_BIT1) | (1 << STATUS_LED_BIT2) | (1 << STATUS_LED_BIT4));
}else {
gpio->GPFDAT &= ~((1 << STATUS_LED_BIT1) | (1 << STATUS_LED_BIT2)| (1 << STATUS_LED_BIT4));
}
}
int board_init (void)
{
S3C24X0_CLOCK_POWER * const clk_power = S3C24X0_GetBase_CLOCK_POWER();
S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
S3C24X0_MEMCTL * const memctl = S3C24X0_GetBase_MEMCTL();
unsigned long bus_conf;
/*Buzzer_Stop*/
gpio->GPBCON &= ~3; //set GPB0 as output
gpio->GPBCON |= 1;
gpio->GPBDAT &= ~1;
/* to reduce PLL lock time, adjust the LOCKTIME register */
clk_power->LOCKTIME = 0xFFFFFF;
/* configure MPLL */
clk_power->MPLLCON = ((M_MDIV << 12) + (M_PDIV << 4) + M_SDIV);
/* some delay between MPLL and UPLL */
delay (4000);
/* configure UPLL */
clk_power->UPLLCON = ((U_M_MDIV << 12) + (U_M_PDIV << 4) + U_M_SDIV);
/* some delay between MPLL and UPLL */
delay (8000);
/* set up the I/O ports */
gpio->GPACON = 0x007FFFFF;
gpio->GPBCON = 0x002a9655;
gpio->GPBUP = 0x000007FF;
gpio->GPCCON = 0xAAAAAAAA;
gpio->GPCUP = 0x0000FFFF;
gpio->GPDCON = 0xAAAAAAAA;
gpio->GPDUP = 0x0000FFFF;
gpio->GPECON = 0xAAAAAAAA;
gpio->GPEUP = 0x0000FFFF;
gpio->GPFCON = 0x000055AA;
gpio->GPFUP = 0x000000FF;
gpio->GPGCON = 0xFD95FFBA;
gpio->GPGUP = 0x0000FFFF;
#ifdef CONFIG_SERIAL3
gpio->GPHCON = 0x002AAAAA;
#else
gpio->GPHCON = 0x002AFAAA;
#endif
gpio->GPHUP = 0x000007FF;
gpio->GPJCON = 0x2AAAAAA;
#if 0
/* USB Device Part */
/*GPGCON is reset for USB Device */
gpio->GPGCON = (gpio->GPGCON & ~(3 << 24)) | (1 << 24); /* Output Mode */
gpio->GPGUP = gpio->GPGUP | ( 1 << 12); /* Pull up disable */
gpio->GPGDAT |= ( 1 << 12) ;
gpio->GPGDAT &= ~( 1 << 12) ;
udelay(20000);
gpio->GPGDAT |= ( 1 << 12) ;
#endif
/*configure for cs8900 chip IO*/
bus_conf = memctl->BWSCON;
memctl->BWSCON = (bus_conf & ~0x0000F000) | 0x0000d000;
/* arch number of AKAE2440-Board */
gd->bd->bi_arch_number = MACH_TYPE_AKAE2440;
/* adress of boot parameters */
gd->bd->bi_boot_params = 0x30000100;
icache_enable();
dcache_enable();
return 0;
}
void usb_init_slave(void)
{
char *mode;
int i;
U8 key;
U32 mpll_val, upll_val, divn_upll=0;
extern int bBootFrmNORFlash(void);
/* start add by ll ,replace the Port_Init() */
gpioregs = S3C24X0_GetBase_GPIO();
gpioregs->GPGCON = 0xfd95ffba; /* thisway.diy, GPG12-->OUTPUT, GPG9-->OUTPUT for FS2410, as USB Device enable */
gpioregs->GPGUP = 0xffff; // The pull up function is disabled GPG[15:0]
gpioregs->GPGDAT &= ~(1<<12); /* disable USB Device, enable later, thisway.diy */
/* end ll */
clk_powerregs = S3C24X0_GetBase_CLOCK_POWER();
usbdevregs = S3C24X0_GetBase_USB_DEVICE();
dmaregs = S3C24X0_GetBase_DMAS();
udelay(100000);
#if 0
// USB device detection control
rGPGCON &= ~(3<<24);
rGPGCON |= (1<<24); // output
rGPGUP |= (1<<12); // pullup disable
rGPGDAT |= (1<<12); // output
#endif
//ChangeUPllValue(60,4,2); // 48MHz
//for(i=0; i<7; i++);
//ChangeClockDivider(13,12);
//ChangeMPllValue(97,1,2); //296Mhz
Isr_Init();
gpioregs->MISCCR=gpioregs->MISCCR&~(1<<3); // USBD is selected instead of USBH1
gpioregs->MISCCR=gpioregs->MISCCR&~(1<<13); // USB port 1 is enabled.
//
// USBD should be initialized first of all.
//
isUsbdSetConfiguration=0;
#if 0
UsbdMain();
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
//thisway.diy MMU_EnableICache();
UsbdMain();
udelay(100000);
gpioregs->GPGDAT |= ((1<<9) | (1<<12)); /* enable USB Device, thisway.diy */
gpioregs->GPBDAT |= (1<<9); /* enable USB Device, thisway.diy */
gpioregs->GPCDAT |= (1<<5); /* enable USB Device, thisway.diy */
#endif
#if USBDMA
mode="DMA";
#else
mode="Int";
#endif
// CLKOUT0/1 select.
//printf("CLKOUT0:MPLL in, CLKOUT1:RTC clock.\n");
//Clk0_Enable(0); // 0:MPLLin, 1:UPLL, 2:FCLK, 3:HCLK, 4:PCLK, 5:DCLK0
//Clk1_Enable(2); // 0:MPLLout, 1:UPLL, 2:RTC, 3:HCLK, 4:PCLK, 5:DCLK1
// Clk0_Disable();
// Clk1_Disable();
mpll_val = clk_powerregs->MPLLCON;
upll_val = clk_powerregs->UPLLCON;
if (0) //(!bBootFrmNORFlash())
{
S3C24X0_INTERRUPT * intregs;
intregs = S3C24X0_GetBase_INTERRUPT();
printf("UPLLVal [M:%xh,P:%xh,S:%xh]\n", (upll_val&(0xff<<12))>>12,(upll_val&(0x3f<<4))>>4,(upll_val&0x3));
printf("MPLLVal [M:%xh,P:%xh,S:%xh]\n", (mpll_val&(0xff<<12))>>12,(mpll_val&(0x3f<<4))>>4,(mpll_val&0x3));
printf("CLKDIVN:%xh\n", clk_powerregs->CLKDIVN);
intregs->INTSUBMSK = 0x3ff;
gpioregs->GPBDAT = 0x740;
gpioregs->GPCDAT = 0x20;
gpioregs->GPGDAT = 0xba2c;
printf("\nINTMOD = %x\n", intregs->INTMOD);
printf("INTMSK = %x\n", intregs->INTMSK);
printf("INTSUBMSK = %x\n", intregs->INTSUBMSK);
printf("\nGPBCON = %x\n", gpioregs->GPBCON);
printf("GPBDAT = %x\n", gpioregs->GPBDAT);
printf("GPCCON = %x\n", gpioregs->GPCCON);
printf("GPCDAT = %x\n", gpioregs->GPCDAT);
printf("GPGCON = %x\n", gpioregs->GPGCON);
printf("GPGDAT = %x\n", gpioregs->GPGDAT);
/*
printf("\n\n");
printf("+---------------------------------------------+\n");
printf("| S3C2440A USB Downloader ver R0.03 2004 Jan |\n");
printf("+---------------------------------------------+\n");
// printf("FCLK=%4.1fMHz,%s mode\n",FCLK/1000000.,mode);
printf("USB: IN_ENDPOINT:1 OUT_ENDPOINT:3\n");
printf("FORMAT: <ADDR(DATA):4>+<SIZE(n+10):4>+<DATA:n>+<CS:2>\n");
printf("NOTE: Power off/on or press the reset button for 1 sec\n");
printf(" in order to get a valid USB device address.\n");
printf("\n");
*/
}
//***************************[ PORTS ]****************************************************
void Port_Init(void)
{
gpioregs = S3C24X0_GetBase_GPIO();
//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 nRSTOUT nFRE nFWE ALE CLE nGCS5 nGCS4 nGCS3 nGCS2 nGCS1
//Binary : 1 1 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
gpioregs->GPACON = 0x7fffff;
//**** 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
gpioregs->GPBCON = 0x044555;
gpioregs->GPBUP = 0x7ff; // The pull up function is disabled GPB[10:0]
gpioregs->GPBDAT &= ~(1<<0); /* ½ûÖ¹·äÃùÆ÷ */
gpioregs->GPBDAT &= ~(1<<9); /* disable USB Device, enable later, thisway.diy */
//*** 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 OUTPUT VM VFRAME VLINE VCLK LEND
//Binary : 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 01 10 , 10 10 , 10 10
gpioregs->GPCCON = 0xaaaaa6aa;
gpioregs->GPCUP = 0xffff; // The pull up function is disabled GPC[15:0]
gpioregs->GPCDAT &= ~(1<<5); /* disable USB Device, enable later, thisway.diy */
//*** 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
gpioregs->GPDCON = 0xaaaaaaaa;
gpioregs->GPDUP = 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 IN
//Binary : 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 00 ,
//-------------------------------------------------------------------------------------------------------
//Ports : GPE3 GPE2 GPE1 GPE0
//Signal : IN IN IN IN
//Binary : 00 00 , 00 00
//rGPECON = 0xaaaaaaaa;
//rGPEUP = 0xffff; // The pull up function is disabled GPE[15:0]
gpioregs->GPECON = 0xaaaaa800; // For added AC97 setting
gpioregs->GPEUP = 0xffff;
//*** 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
gpioregs->GPFCON = 0x55aa;
gpioregs->GPFUP = 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 Output EINT19 Output Output Output SPICLK1 SPIMOSI1
//Binary : 11 11 , 11 01 , 10 01 , 01 01 , 11 11
//-----------------------------------------------------------------------------------------
//Ports : GPG5 GPG4 GPG3 GPG2 GPG1 GPG0
//Signal : KBDSPIMISO LCD_PWREN EINT11 nSS_SPI IRQ_LAN IRQ_PCMCIA
//Setting: SPIMISO1 LCD_PWRDN EINT11 nSS0 EINT9 EINT8
//Binary : 11 11 , 10 11 , 10 10
//rGPGCON = 0xff95ffba;
gpioregs->GPGCON = 0xfd95ffba; /* thisway.diy, GPG12-->OUTPUT, GPG9-->OUTPUT for FS2410, as USB Device enable */
gpioregs->GPGUP = 0xffff; // The pull up function is disabled GPG[15:0]
gpioregs->GPGDAT &= ~((1<<9) | (1<<12)); /* disable USB Device, enable later, thisway.diy */
//*** 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
gpioregs->GPHCON = 0x2afaaa;
gpioregs->GPHUP = 0x7ff; // The pull up function is disabled GPH[10:0]
// Added for S3C2440X, DonGo
//*** PORT J GROUP
//Ports : GPJ12 GPJ11 GPJ10 GPJ9 GPJ8 GPJ7 GPJ6 GPJ5 GPJ4 GPJ3 GPJ2 GPJ1 GPJ0
//Signal : CAMRESET CAMPCLKOUT CAMHREF CAMVSYNC CAMPCLKIN CAMDAT[7] CAMDAT[6] CAMDAT[5] CAMDAT[4] CAMDAT[3] CAMDAT[2] CAMDAT[1] CAMDAT[0]
//Binary : 10 10 10 10 10 10 10 10 10 10 10 10 10
gpioregs->GPJCON = 0x02aaaaaa;
gpioregs->GPJUP = 0x1fff; // The pull up function is disabled GPH[10:0]
//External interrupt will be falling edge triggered.
gpioregs->EXTINT0 = 0x22222222; // EINT[7:0]
gpioregs->EXTINT1 = 0x22222222; // EINT[15:8]
gpioregs->EXTINT2 = 0x22222222; // EINT[23:16]
}
void LED2_on(void)
{
S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
gpio->GPFDAT &= ~(1 << STATUS_LED_BIT2);
}
int board_init (void)
{
S3C24X0_CLOCK_POWER * const clk_power = S3C24X0_GetBase_CLOCK_POWER();
S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
// /* to reduce PLL lock time, adjust the LOCKTIME register */
// clk_power->LOCKTIME = 0xFFFFFF;
//
// /* configure MPLL */
// clk_power->MPLLCON = ((M_MDIV << 12) + (M_PDIV << 4) + M_SDIV);
//
// /* some delay between MPLL and UPLL */
// delay (4000);
//
// /* configure UPLL */
// clk_power->UPLLCON = ((U_M_MDIV << 12) + (U_M_PDIV << 4) + U_M_SDIV);
//
// /* some delay between MPLL and UPLL */
// delay (8000);
/* set up the I/O ports */
gpio->GPACON = 0x007FFFFF;
#if defined(CONFIG_S3C2440)
gpio->GPBCON = 0x00295551;
#else
gpio->GPBCON = 0x00044556;
#endif
gpio->GPBUP = 0x000007FF;
gpio->GPCCON = 0xAAAAAAAA;
// gpio->GPCUP = 0x0000FFFF;
gpio->GPCUP = 0XFFFFFFFF;
gpio->GPDCON = 0xAAAAAAAA;
// gpio->GPDUP = 0x0000FFFF;
gpio->GPDUP = 0XFFFFFFFF;
gpio->GPECON = 0xAAAAAAAA;
gpio->GPEUP = 0x0000FFFF;
gpio->GPFCON = 0x000055AA;
gpio->GPFUP = 0x000000FF;
gpio->GPGCON = 0xFF95FFBA;
gpio->GPGUP = 0x0000FFFF;
gpio->GPHCON = 0x002AFAAA;
gpio->GPHUP = 0x000007FF;
gpio->GPBDAT = 0X00000000;
/* Support both s3c2440 and s3c2410 */
if (0 & ((gpio->GSTATUS1 == 0X32410000) || (gpio->GSTATUS1 == 0X32410002 ))) {
/* FLCK : HCLK: PCLK = 1:2:4 */
clk_power->CLKDIVN = S3C2410_CLKDIV;
/* set cpu async... mode */
__asm__( "mrc p15, 0, r1, c1, c0, 0\n" /* read ctrl register */
"orr r1, r1, #0xc0000000\n" /* asynchronous */
"mcr p15, 0, r1, c1, c0, 0\n" /* write ctrl register */
:::"r1"
);
/* SET PLL LOCK TIME */
clk_power->LOCKTIME = 0XFFFFFF;
/* SET MPLL */
clk_power->MPLLCON = S3C2410_MPLL_200MHZ;
/* AFTER SET MPLL, DELAY SOME TIME TO SET UPLL */
delay(4000);
/* SET UPLL */
clk_power->UPLLCON = S3C2410_UPLL_48MHZ;
/* DELAY SOME TIME */
delay(8000);
/* MACHINE TYPE ID */
gd->bd->bi_arch_number = MACH_TYPE_SMDK2410;
}
