patch-2.4.2 linux/include/asm-arm/arch-ebsa110/io.h

• Lines: 191
• Date: Thu Feb 8 16:32:44 2001
• Orig file: v2.4.1/linux/include/asm-arm/arch-ebsa110/io.h
• Orig date: Mon Sep 18 15:15:23 2000

diff -u --recursive --new-file v2.4.1/linux/include/asm-arm/arch-ebsa110/io.h linux/include/asm-arm/arch-ebsa110/io.h
@@ -16,186 +16,11 @@
 #define IO_SPACE_LIMIT 0xffffffff
 
 /*
- * We use two different types of addressing - PC style addresses, and ARM
- * addresses.  PC style accesses the PC hardware with the normal PC IO
- * addresses, eg 0x3f8 for serial#1.  ARM addresses are 0x80000000+
- * and are translated to the start of IO.  Note that all addresses are
- * shifted left!
+ * Generic virtual read/write
  */
-#define __PORT_PCIO(x)	(!((x) & 0x80000000))
+#define __arch_getw(a)		(*(volatile unsigned short *)(a))
+#define __arch_putw(v,a)	(*(volatile unsigned short *)(a) = (v))
 
-/*
- * Dynamic IO functions - let the compiler
- * optimize the expressions
- */
-#define DECLARE_DYN_OUT(fnsuffix,instr)						\
-extern __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, lsl #2]	@ out"###fnsuffix	\
-	: "=&r" (temp)								\
-	: "r" (value), "r" (port), "Ir" (PCIO_BASE - IO_BASE), "Ir" (IO_BASE)	\
-	: "cc");								\
-}
-
-#define DECLARE_DYN_IN(sz,fnsuffix,instr)					\
-extern __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, lsl #2]	@ in"###fnsuffix	\
-	: "=&r" (temp), "=r" (value)						\
-	: "r" (port), "Ir" (PCIO_BASE - IO_BASE), "Ir" (IO_BASE)		\
-	: "cc");								\
-	return (unsigned sz)value;						\
-}
-
-extern __inline__ unsigned int __ioaddr (unsigned int port)			\
-{										\
-	if (__PORT_PCIO(port))							\
-		return (unsigned int)(PCIO_BASE + (port << 2));			\
-	else									\
-		return (unsigned int)(IO_BASE + (port << 2));			\
-}
-
-#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,"")
-DECLARE_IO(int,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) << 2));		\
-	else									\
-		__asm__ __volatile__(						\
-		"strb	%0, [%1, %2]		@ outbc"			\
-		: : "r" (value), "r" (IO_BASE), "r" ((port) << 2));		\
-})
-
-#define __inbc(port)								\
-({										\
-	unsigned char result;							\
-	if (__PORT_PCIO((port)))						\
-		__asm__ __volatile__(						\
-		"ldrb	%0, [%1, %2]		@ inbc"				\
-		: "=r" (result) : "r" (PCIO_BASE), "Jr" ((port) << 2));		\
-	else									\
-		__asm__ __volatile__(						\
-		"ldrb	%0, [%1, %2]		@ inbc"				\
-		: "=r" (result) : "r" (IO_BASE), "r" ((port) << 2));		\
-	result;									\
-})
-
-#define __outwc(value,port)							\
-({										\
-	unsigned long v = value;						\
-	if (__PORT_PCIO((port)))						\
-		__asm__ __volatile__(						\
-		"str	%0, [%1, %2]		@ outwc"			\
-		: : "r" (v|v<<16), "r" (PCIO_BASE), "Jr" ((port) << 2));	\
-	else									\
-		__asm__ __volatile__(						\
-		"str	%0, [%1, %2]		@ outwc"			\
-		: : "r" (v|v<<16), "r" (IO_BASE), "r" ((port) << 2));		\
-})
-
-#define __inwc(port)								\
-({										\
-	unsigned short result;							\
-	if (__PORT_PCIO((port)))						\
-		__asm__ __volatile__(						\
-		"ldr	%0, [%1, %2]		@ inwc"				\
-		: "=r" (result) : "r" (PCIO_BASE), "Jr" ((port) << 2));		\
-	else									\
-		__asm__ __volatile__(						\
-		"ldr	%0, [%1, %2]		@ inwc"				\
-		: "=r" (result) : "r" (IO_BASE), "r" ((port) << 2));		\
-	result & 0xffff;							\
-})
-
-#define __outlc(v,p)								\
-({										\
-	unsigned long v = value;						\
-	if (__PORT_PCIO((port)))						\
-		__asm__ __volatile__(						\
-		"str	%0, [%1, %2]		@ outlc"			\
-		: : "r" (v), "r" (PCIO_BASE), "Jr" ((port) << 2));		\
-	else									\
-		__asm__ __volatile__(						\
-		"str	%0, [%1, %2]		@ outlc"			\
-		: : "r" (v), "r" (IO_BASE), "r" ((port) << 2));			\
-})
-
-#define __inlc(port)								\
-({										\
-	unsigned long result;							\
-	if (__PORT_PCIO((port)))						\
-		__asm__ __volatile__(						\
-		"ldr	%0, [%1, %2]		@ inlc"				\
-		: "=r" (result) : "r" (PCIO_BASE), "Jr" ((port) << 2));		\
-	else									\
-		__asm__ __volatile__(						\
-		"ldr	%0, [%1, %2]		@ inlc"				\
-		: "=r" (result) : "r" (IO_BASE), "r" ((port) << 2));		\
-	result;									\
-})
-
-#define __ioaddrc(port)								\
-({										\
-	unsigned long addr;							\
-	if (__PORT_PCIO((port)))						\
-		addr = PCIO_BASE + ((port) << 2);				\
-	else									\
-		addr = IO_BASE + ((port) << 2);					\
-	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))
-#define __ioaddr(p)	(__builtin_constant_p((p)) ? __ioaddr(p)  : __ioaddrc(p))
-
-/*
- * Translated address IO functions
- *
- * IO address has already been translated to a virtual address
- */
-#define outb_t(v,p)								\
-	(*(volatile unsigned char *)(p) = (v))
-
-#define inb_t(p)								\
-	(*(volatile unsigned char *)(p))
-
-#define outl_t(v,p)								\
-	(*(volatile unsigned long *)(p) = (v))
-
-#define inl_t(p)								\
-	(*(volatile unsigned long *)(p))
+#define __io(p)		(ISAIO_BASE + ((p) << 2))
 
 #endif