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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /arch/h8300/include/asm/io.h | |
parent | Initial commit. (diff) | |
download | linux-430c2fc249ea5c0536abd21c23382884005c9093.tar.xz linux-430c2fc249ea5c0536abd21c23382884005c9093.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/h8300/include/asm/io.h')
-rw-r--r-- | arch/h8300/include/asm/io.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/arch/h8300/include/asm/io.h b/arch/h8300/include/asm/io.h new file mode 100644 index 000000000..096d99580 --- /dev/null +++ b/arch/h8300/include/asm/io.h @@ -0,0 +1,67 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _H8300_IO_H +#define _H8300_IO_H + +#ifdef __KERNEL__ + +#include <linux/types.h> + +/* H8/300 internal I/O functions */ + +#define __raw_readb __raw_readb +static inline u8 __raw_readb(const volatile void __iomem *addr) +{ + return *(volatile u8 *)addr; +} + +#define __raw_readw __raw_readw +static inline u16 __raw_readw(const volatile void __iomem *addr) +{ + return *(volatile u16 *)addr; +} + +#define __raw_readl __raw_readl +static inline u32 __raw_readl(const volatile void __iomem *addr) +{ + return *(volatile u32 *)addr; +} + +#define __raw_writeb __raw_writeb +static inline void __raw_writeb(u8 b, const volatile void __iomem *addr) +{ + *(volatile u8 *)addr = b; +} + +#define __raw_writew __raw_writew +static inline void __raw_writew(u16 b, const volatile void __iomem *addr) +{ + *(volatile u16 *)addr = b; +} + +#define __raw_writel __raw_writel +static inline void __raw_writel(u32 b, const volatile void __iomem *addr) +{ + *(volatile u32 *)addr = b; +} + +static inline void ctrl_bclr(int b, void __iomem *addr) +{ + if (__builtin_constant_p(b)) + __asm__("bclr %1,%0" : "+WU"(*(u8 *)addr): "i"(b)); + else + __asm__("bclr %w1,%0" : "+WU"(*(u8 *)addr): "r"(b)); +} + +static inline void ctrl_bset(int b, void __iomem *addr) +{ + if (__builtin_constant_p(b)) + __asm__("bset %1,%0" : "+WU"(*(u8 *)addr): "i"(b)); + else + __asm__("bset %w1,%0" : "+WU"(*(u8 *)addr): "r"(b)); +} + +#include <asm-generic/io.h> + +#endif /* __KERNEL__ */ + +#endif /* _H8300_IO_H */ |