#ifndef __ASM_ARM_ARCH_IO_H
#define __ASM_ARM_ARCH_IO_H
+#include <asm/hardware.h>
+
#define IO_SPACE_LIMIT 0xffffffff
/*
*/
#define __PORT_PCIO(x) (!((x) & 0x80000000))
-/*
- * Dynamic IO functions - let the compiler
- * optimize the expressions
- */
-#define DECLARE_DYN_OUT(fnsuffix,instr) \
-static inline void __out##fnsuffix (unsigned int value, unsigned int port) \
-{ \
- unsigned long temp; \
- __asm__ __volatile__( \
- "tst %2, #0x80000000\n\t" \
- "mov %0, %4\n\t" \
- "addeq %0, %0, %3\n\t" \
- "str" instr " %1, [%0, %2] @ out" #fnsuffix \
- : "=&r" (temp) \
- : "r" (value), "r" (port), "Ir" (PCIO_BASE - IO_BASE), "Ir" (IO_BASE) \
- : "cc"); \
-}
+#define __io(a) ((void __iomem *)(PCIO_BASE + (a)))
-#define DECLARE_DYN_IN(sz,fnsuffix,instr) \
-static inline unsigned sz __in##fnsuffix (unsigned int port) \
-{ \
- unsigned long temp, value; \
- __asm__ __volatile__( \
- "tst %2, #0x80000000\n\t" \
- "mov %0, %4\n\t" \
- "addeq %0, %0, %3\n\t" \
- "ldr" instr " %1, [%0, %2] @ in" #fnsuffix \
- : "=&r" (temp), "=r" (value) \
- : "r" (port), "Ir" (PCIO_BASE - IO_BASE), "Ir" (IO_BASE) \
- : "cc"); \
- return (unsigned sz)value; \
-}
static inline unsigned int __ioaddr (unsigned int port) \
{ \
return (unsigned int)(IO_BASE + (port)); \
}
-#define DECLARE_IO(sz,fnsuffix,instr) \
- DECLARE_DYN_OUT(fnsuffix,instr) \
- DECLARE_DYN_IN(sz,fnsuffix,instr)
-
-DECLARE_IO(char,b,"b")
-DECLARE_IO(short,w,"h")
-DECLARE_IO(long,l,"")
-
-#undef DECLARE_IO
-#undef DECLARE_DYN_OUT
-#undef DECLARE_DYN_IN
-
-/*
- * Constant address IO functions
- *
- * These have to be macros for the 'J' constraint to work -
- * +/-4096 immediate operand.
- */
-#define __outbc(value,port) \
-({ \
- if (__PORT_PCIO((port))) \
- __asm__ __volatile__( \
- "strb %0, [%1, %2] @ outbc" \
- : : "r" (value), "r" (PCIO_BASE), "Jr" (port)); \
- else \
- __asm__ __volatile__( \
- "strb %0, [%1, %2] @ outbc" \
- : : "r" (value), "r" (IO_BASE), "r" (port)); \
-})
-
-#define __inbc(port) \
-({ \
- unsigned char result; \
- if (__PORT_PCIO((port))) \
- __asm__ __volatile__( \
- "ldrb %0, [%1, %2] @ inbc" \
- : "=r" (result) : "r" (PCIO_BASE), "Jr" (port)); \
- else \
- __asm__ __volatile__( \
- "ldrb %0, [%1, %2] @ inbc" \
- : "=r" (result) : "r" (IO_BASE), "r" (port)); \
- result; \
-})
-
-#define __outwc(value,port) \
-({ \
- unsigned long v = value; \
- if (__PORT_PCIO((port))) \
- __asm__ __volatile__( \
- "strh %0, [%1, %2] @ outwc" \
- : : "r" (v|v<<16), "r" (PCIO_BASE), "Jr" (port)); \
- else \
- __asm__ __volatile__( \
- "strh %0, [%1, %2] @ outwc" \
- : : "r" (v|v<<16), "r" (IO_BASE), "r" (port)); \
-})
-
-#define __inwc(port) \
-({ \
- unsigned short result; \
- if (__PORT_PCIO((port))) \
- __asm__ __volatile__( \
- "ldrh %0, [%1, %2] @ inwc" \
- : "=r" (result) : "r" (PCIO_BASE), "Jr" (port)); \
- else \
- __asm__ __volatile__( \
- "ldrh %0, [%1, %2] @ inwc" \
- : "=r" (result) : "r" (IO_BASE), "r" (port)); \
- result & 0xffff; \
-})
-
-#define __outlc(value,port) \
-({ \
- unsigned long v = value; \
- if (__PORT_PCIO((port))) \
- __asm__ __volatile__( \
- "str %0, [%1, %2] @ outlc" \
- : : "r" (v), "r" (PCIO_BASE), "Jr" (port)); \
- else \
- __asm__ __volatile__( \
- "str %0, [%1, %2] @ outlc" \
- : : "r" (v), "r" (IO_BASE), "r" (port)); \
-})
-
-#define __inlc(port) \
-({ \
- unsigned long result; \
- if (__PORT_PCIO((port))) \
- __asm__ __volatile__( \
- "ldr %0, [%1, %2] @ inlc" \
- : "=r" (result) : "r" (PCIO_BASE), "Jr" (port)); \
- else \
- __asm__ __volatile__( \
- "ldr %0, [%1, %2] @ inlc" \
- : "=r" (result) : "r" (IO_BASE), "r" (port)); \
- result; \
-})
-
-#define __ioaddrc(port) \
-({ \
- unsigned long addr; \
- if (__PORT_PCIO((port))) \
- addr = PCIO_BASE + (port); \
- else \
- addr = IO_BASE + (port); \
- addr; \
-})
-
#define __mem_pci(addr) (addr)
-#define inb(p) (__builtin_constant_p((p)) ? __inbc(p) : __inb(p))
-#define inw(p) (__builtin_constant_p((p)) ? __inwc(p) : __inw(p))
-#define inl(p) (__builtin_constant_p((p)) ? __inlc(p) : __inl(p))
-#define outb(v,p) (__builtin_constant_p((p)) ? __outbc(v,p) : __outb(v,p))
-#define outw(v,p) (__builtin_constant_p((p)) ? __outwc(v,p) : __outw(v,p))
-#define outl(v,p) (__builtin_constant_p((p)) ? __outlc(v,p) : __outl(v,p))
-
/*
* Translated address IO functions
*
git://git.onelab.eu / linux-2.6.git / blobdiff