57 lines
1.4 KiB
C
Executable File
57 lines
1.4 KiB
C
Executable File
/*
|
|
* Copyright (c) LOTUS. All rights reserved.
|
|
*/
|
|
|
|
#ifndef __SYS_H__
|
|
#define __SYS_H__
|
|
#include "types.h"
|
|
static inline void writel(unsigned int val, unsigned long int addr)
|
|
{
|
|
(*(volatile unsigned int *)(addr)) = (val);
|
|
}
|
|
|
|
static inline void writew(unsigned short val, unsigned long int addr)
|
|
{
|
|
(*(volatile unsigned short *)(addr)) = (val);
|
|
}
|
|
|
|
static inline void writeb(unsigned char val, unsigned long int addr)
|
|
{
|
|
(*(volatile unsigned char *)(addr)) = (val);
|
|
}
|
|
|
|
static inline unsigned int readl(unsigned long int addr)
|
|
{
|
|
return (*(volatile unsigned int *)(addr));
|
|
}
|
|
|
|
static inline unsigned short readw(unsigned long int addr)
|
|
{
|
|
return (*(volatile unsigned short *)(addr));
|
|
}
|
|
|
|
static inline unsigned char readb(unsigned long int addr)
|
|
{
|
|
return (*(volatile unsigned char *)(addr));
|
|
}
|
|
|
|
/* Set the bits of addr to 1, which in mask is 1 */
|
|
static inline void set_bits(unsigned int mask, unsigned long int addr)
|
|
{
|
|
(*(volatile unsigned int *)(addr)) |= mask;
|
|
}
|
|
|
|
/* Clear the bits of addr to 0, which in mask is 1 */
|
|
static inline void clr_bits(unsigned int mask, unsigned long int addr)
|
|
{
|
|
(*(volatile unsigned int *)(addr)) &= ~(mask);
|
|
}
|
|
|
|
/* Return True if all the bits of addr are 1, which is 1 in mask.
|
|
Else, return False. */
|
|
static inline unsigned int is_bits_set(unsigned int mask, unsigned long int addr)
|
|
{
|
|
return (((*(volatile unsigned int *)(addr)) & (mask)) == (mask));
|
|
}
|
|
#endif /* end of __SYS_H__ */
|