s3c2440.h

2440 中断实例 按键盘键点亮LED灯

/* WOTCH DOG register */
#define     WTCON           (*(volatile unsigned long *)0x53000000)



/*led 1 2 3 4 registers  GPB5,6,7,8control led1 2 3 4
GPB8 [17:16]  01 = Output
GPB7 [15:14]  01 = Output
GPB6 [13:12]  01 = Output
GPB5 [11:10]  01 = Output
*/
#define		LEDCON			(*(volatile unsigned long *)0x56000010)
#define		LEDDAT			(*(volatile unsigned long *)0x56000014)
#define		LEDUP			(*(volatile unsigned long *)0x56000018)


/*K1 ,K2  K3 K4 K5 K6 REGISTERS 
GPG0  3   5   6 7  11 
EINT8 11  13 14 15 19

GPG0 [1:0] 10 = EINT[8]
GPG3 [7:6] 10 = EINT[11]
GPG5 [11:10]10 = EINT[13]
GPG6 [13:12] 10 = EINT[14]
GPG7 [15:14] 10 = EINT[15]
GPG11 [23:22] 10 = EINT[19]
*/
#define		GPGCON			(*(volatile unsigned long *)0x56000060)
#define		GPGDATA			(*(volatile unsigned long *)0x56000064)
#define		GPGUP			(*(volatile unsigned long *)0x56000068)




/* SDRAM regisers */
#define     MEM_CTL_BASE    0x48000000
#define     SDRAM_BASE      0x30000000

/* NAND Flash registers */
#define NFCONF              (*(volatile unsigned int  *)0x4e000000)
#define NFCONT              (*(volatile unsigned int  *)0x4e000004)
#define NFCMD               (*(volatile unsigned char *)0x4e000008)
#define NFADDR              (*(volatile unsigned char *)0x4e00000C)
#define NFDATA              (*(volatile unsigned char *)0x4e000010)
#define NFSTAT              (*(volatile unsigned char *)0x4e000020)

/*GPIO registers*/
#define GPBCON              (*(volatile unsigned long *)0x56000010)
#define GPBDAT              (*(volatile unsigned long *)0x56000014)

#define GPFCON              (*(volatile unsigned long *)0x56000050)
#define GPFDAT              (*(volatile unsigned long *)0x56000054)
#define GPFUP               (*(volatile unsigned long *)0x56000058)

#define GPGCON              (*(volatile unsigned long *)0x56000060)
#define GPGDAT              (*(volatile unsigned long *)0x56000064)
#define GPGUP               (*(volatile unsigned long *)0x56000068)

#define GPHCON              (*(volatile unsigned long *)0x56000070)
#define GPHDAT              (*(volatile unsigned long *)0x56000074)
#define GPHUP               (*(volatile unsigned long *)0x56000078)



/*UART registers????*/
#define ULCON0              (*(volatile unsigned long *)0x50000000)
#define UCON0               (*(volatile unsigned long *)0x50000004)
#define UFCON0              (*(volatile unsigned long *)0x50000008)
#define UMCON0              (*(volatile unsigned long *)0x5000000c)
#define UTRSTAT0            (*(volatile unsigned long *)0x50000010)
#define UTXH0               (*(volatile unsigned char *)0x50000020)
#define URXH0               (*(volatile unsigned char *)0x50000024)
#define UBRDIV0             (*(volatile unsigned long *)0x50000028)






/*interrupt registes*/
#define SRCPND              (*(volatile unsigned long *)0x4A000000)
#define INTMOD              (*(volatile unsigned long *)0x4A000004)
#define INTMSK              (*(volatile unsigned long *)0x4A000008)
#define PRIORITY            (*(volatile unsigned long *)0x4A00000c)
#define INTPND              (*(volatile unsigned long *)0x4A000010)
#define INTOFFSET           (*(volatile unsigned long *)0x4A000014)
#define SUBSRCPND           (*(volatile unsigned long *)0x4A000018)
#define INTSUBMSK           (*(volatile unsigned long *)0x4A00001c)

/*external interrupt registers*/
#define EINTMASK            (*(volatile unsigned long *)0x560000a4)
#define EINTPEND            (*(volatile unsigned long *)0x560000a8)