forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
57 lines
1.1 KiB
57 lines
1.1 KiB
#ifndef _LINUX_IO_64_NONATOMIC_LO_HI_H_ |
|
#define _LINUX_IO_64_NONATOMIC_LO_HI_H_ |
|
|
|
#include <linux/io.h> |
|
#include <asm-generic/int-ll64.h> |
|
|
|
static inline __u64 lo_hi_readq(const volatile void __iomem *addr) |
|
{ |
|
const volatile u32 __iomem *p = addr; |
|
u32 low, high; |
|
|
|
low = readl(p); |
|
high = readl(p + 1); |
|
|
|
return low + ((u64)high << 32); |
|
} |
|
|
|
static inline void lo_hi_writeq(__u64 val, volatile void __iomem *addr) |
|
{ |
|
writel(val, addr); |
|
writel(val >> 32, addr + 4); |
|
} |
|
|
|
static inline __u64 lo_hi_readq_relaxed(const volatile void __iomem *addr) |
|
{ |
|
const volatile u32 __iomem *p = addr; |
|
u32 low, high; |
|
|
|
low = readl_relaxed(p); |
|
high = readl_relaxed(p + 1); |
|
|
|
return low + ((u64)high << 32); |
|
} |
|
|
|
static inline void lo_hi_writeq_relaxed(__u64 val, volatile void __iomem *addr) |
|
{ |
|
writel_relaxed(val, addr); |
|
writel_relaxed(val >> 32, addr + 4); |
|
} |
|
|
|
#ifndef readq |
|
#define readq lo_hi_readq |
|
#endif |
|
|
|
#ifndef writeq |
|
#define writeq lo_hi_writeq |
|
#endif |
|
|
|
#ifndef readq_relaxed |
|
#define readq_relaxed lo_hi_readq_relaxed |
|
#endif |
|
|
|
#ifndef writeq_relaxed |
|
#define writeq_relaxed lo_hi_writeq_relaxed |
|
#endif |
|
|
|
#endif /* _LINUX_IO_64_NONATOMIC_LO_HI_H_ */
|
|
|