X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=arch%2Fx86%2Finclude%2Fasm%2Fio.h;h=3156781dd3ea3a12aec58ecf18738264a007a99e;hb=7e4a6ae62c7ee567ae43e94445e561b3ec8343b9;hp=86bac90e8e882650829b7ce9177e5198339237a5;hpb=05a860c228fe6c8f2e7aced8cc8ef88bc1038363;p=u-boot diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h index 86bac90e8e..3156781dd3 100644 --- a/arch/x86/include/asm/io.h +++ b/arch/x86/include/asm/io.h @@ -1,7 +1,7 @@ #ifndef _ASM_IO_H #define _ASM_IO_H -#include +#include /* * This file contains the definitions for the x86 IO instructions @@ -69,6 +69,55 @@ #define memcpy_fromio(a,b,c) memcpy((a),(b),(c)) #define memcpy_toio(a,b,c) memcpy((a),(b),(c)) +#define write_arch(type, endian, a, v) __raw_write##type(cpu_to_##endian(v), a) +#define read_arch(type, endian, a) endian##_to_cpu(__raw_read##type(a)) + +#define write_le64(a, v) write_arch(q, le64, a, v) +#define write_le32(a, v) write_arch(l, le32, a, v) +#define write_le16(a, v) write_arch(w, le16, a, v) + +#define read_le64(a) read_arch(q, le64, a) +#define read_le32(a) read_arch(l, le32, a) +#define read_le16(a) read_arch(w, le16, a) + +#define write_be32(a, v) write_arch(l, be32, a, v) +#define write_be16(a, v) write_arch(w, be16, a, v) + +#define read_be32(a) read_arch(l, be32, a) +#define read_be16(a) read_arch(w, be16, a) + +#define write_8(a, v) __raw_writeb(v, a) +#define read_8(a) __raw_readb(a) + +#define clrbits(type, addr, clear) \ + write_##type((addr), read_##type(addr) & ~(clear)) + +#define setbits(type, addr, set) \ + write_##type((addr), read_##type(addr) | (set)) + +#define clrsetbits(type, addr, clear, set) \ + write_##type((addr), (read_##type(addr) & ~(clear)) | (set)) + +#define clrbits_be32(addr, clear) clrbits(be32, addr, clear) +#define setbits_be32(addr, set) setbits(be32, addr, set) +#define clrsetbits_be32(addr, clear, set) clrsetbits(be32, addr, clear, set) + +#define clrbits_le32(addr, clear) clrbits(le32, addr, clear) +#define setbits_le32(addr, set) setbits(le32, addr, set) +#define clrsetbits_le32(addr, clear, set) clrsetbits(le32, addr, clear, set) + +#define clrbits_be16(addr, clear) clrbits(be16, addr, clear) +#define setbits_be16(addr, set) setbits(be16, addr, set) +#define clrsetbits_be16(addr, clear, set) clrsetbits(be16, addr, clear, set) + +#define clrbits_le16(addr, clear) clrbits(le16, addr, clear) +#define setbits_le16(addr, set) setbits(le16, addr, set) +#define clrsetbits_le16(addr, clear, set) clrsetbits(le16, addr, clear, set) + +#define clrbits_8(addr, clear) clrbits(8, addr, clear) +#define setbits_8(addr, set) setbits(8, addr, set) +#define clrsetbits_8(addr, clear, set) clrsetbits(8, addr, clear, set) + /* * ISA space is 'always mapped' on a typical x86 system, no need to * explicitly ioremap() it. The fact that the ISA IO space is mapped @@ -153,7 +202,7 @@ out: * Talk about misusing macros.. */ #define __OUT1(s,x) \ -static inline void out##s(unsigned x value, unsigned short port) { +static inline void _out##s(unsigned x value, unsigned short port) { #define __OUT2(s,s1,s2) \ __asm__ __volatile__ ("out" #s " %" s1 "0,%" s2 "1" @@ -164,7 +213,7 @@ __OUT1(s,x) __OUT2(s,s1,"w") : : "a" (value), "Nd" (port)); } \ __OUT1(s##_p,x) __OUT2(s,s1,"w") __FULL_SLOW_DOWN_IO : : "a" (value), "Nd" (port));} #define __IN1(s) \ -static inline RETURN_TYPE in##s(unsigned short port) { RETURN_TYPE _v; +static inline RETURN_TYPE _in##s(unsigned short port) { RETURN_TYPE _v; #define __IN2(s,s1,s2) \ __asm__ __volatile__ ("in" #s " %" s2 "1,%" s1 "0" @@ -193,10 +242,18 @@ __IN(w,"") __IN(l,"") #undef RETURN_TYPE +#define inb(port) _inb((uintptr_t)(port)) +#define inw(port) _inw((uintptr_t)(port)) +#define inl(port) _inl((uintptr_t)(port)) + __OUT(b,"b",char) __OUT(w,"w",short) __OUT(l,,int) +#define outb(val, port) _outb(val, (uintptr_t)(port)) +#define outw(val, port) _outw(val, (uintptr_t)(port)) +#define outl(val, port) _outl(val, (uintptr_t)(port)) + __INS(b) __INS(w) __INS(l) @@ -205,6 +262,28 @@ __OUTS(b) __OUTS(w) __OUTS(l) +/* IO space accessors */ +#define clrio(type, addr, clear) \ + out##type(in##type(addr) & ~(clear), (addr)) + +#define setio(type, addr, set) \ + out##type(in##type(addr) | (set), (addr)) + +#define clrsetio(type, addr, clear, set) \ + out##type((in##type(addr) & ~(clear)) | (set), (addr)) + +#define clrio_32(addr, clear) clrio(l, addr, clear) +#define clrio_16(addr, clear) clrio(w, addr, clear) +#define clrio_8(addr, clear) clrio(b, addr, clear) + +#define setio_32(addr, set) setio(l, addr, set) +#define setio_16(addr, set) setio(w, addr, set) +#define setio_8(addr, set) setio(b, addr, set) + +#define clrsetio_32(addr, clear, set) clrsetio(l, addr, clear, set) +#define clrsetio_16(addr, clear, set) clrsetio(w, addr, clear, set) +#define clrsetio_8(addr, clear, set) clrsetio(b, addr, clear, set) + static inline void sync(void) { }