X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=include%2Fasm-powerpc%2Fio.h;h=6db422d8e2a0944c64aafdbe5cc20aac6e093ec0;hb=0f3d6bcd391b058c619fc30e8022e8a29fbf4bef;hp=7be26f615755ad5a80c84aa3867facf781f3db03;hpb=c1f3ee120bb61045b1c0a3ead620d1d65af47130;p=linux-2.6-omap-h63xx.git

diff --git a/include/asm-powerpc/io.h b/include/asm-powerpc/io.h
index 7be26f61575..6db422d8e2a 100644
--- a/include/asm-powerpc/io.h
+++ b/include/asm-powerpc/io.h
@@ -2,7 +2,7 @@
 #define _ASM_POWERPC_IO_H
 #ifdef __KERNEL__
 
-/* 
+/*
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version
@@ -18,6 +18,9 @@ extern int check_legacy_ioport(unsigned long base_port);
 #define _PNPWRP		0xa79
 #define PNPBIOS_BASE	0xf000
 
+#include <linux/device.h>
+#include <linux/io.h>
+
 #include <linux/compiler.h>
 #include <asm/page.h>
 #include <asm/byteorder.h>
@@ -92,33 +95,60 @@ extern resource_size_t isa_mem_base;
 #define IO_SET_SYNC_FLAG()
 #endif
 
-#define DEF_MMIO_IN(name, type, insn)					\
-static inline type name(const volatile type __iomem *addr)		\
+/* gcc 4.0 and older doesn't have 'Z' constraint */
+#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ == 0)
+#define DEF_MMIO_IN_LE(name, size, insn)				\
+static inline u##size name(const volatile u##size __iomem *addr)	\
 {									\
-	type ret;							\
-	__asm__ __volatile__("sync;" insn ";twi 0,%0,0;isync"		\
- 		: "=r" (ret) : "r" (addr), "m" (*addr));		\
+	u##size ret;							\
+	__asm__ __volatile__("sync;"#insn" %0,0,%1;twi 0,%0,0;isync"	\
+		: "=r" (ret) : "r" (addr), "m" (*addr) : "memory");	\
 	return ret;							\
 }
 
-#define DEF_MMIO_OUT(name, type, insn)					\
-static inline void name(volatile type __iomem *addr, type val)		\
+#define DEF_MMIO_OUT_LE(name, size, insn) 				\
+static inline void name(volatile u##size __iomem *addr, u##size val)	\
+{									\
+	__asm__ __volatile__("sync;"#insn" %1,0,%2"			\
+		: "=m" (*addr) : "r" (val), "r" (addr) : "memory");	\
+	IO_SET_SYNC_FLAG();						\
+}
+#else /* newer gcc */
+#define DEF_MMIO_IN_LE(name, size, insn)				\
+static inline u##size name(const volatile u##size __iomem *addr)	\
 {									\
-	__asm__ __volatile__("sync;" insn				\
- 		: "=m" (*addr) : "r" (val), "r" (addr));		\
-	IO_SET_SYNC_FLAG();					\
+	u##size ret;							\
+	__asm__ __volatile__("sync;"#insn" %0,%y1;twi 0,%0,0;isync"	\
+		: "=r" (ret) : "Z" (*addr) : "memory");			\
+	return ret;							\
 }
 
+#define DEF_MMIO_OUT_LE(name, size, insn) 				\
+static inline void name(volatile u##size __iomem *addr, u##size val)	\
+{									\
+	__asm__ __volatile__("sync;"#insn" %1,%y0"			\
+		: "=Z" (*addr) : "r" (val) : "memory");			\
+	IO_SET_SYNC_FLAG();						\
+}
+#endif
 
-#define DEF_MMIO_IN_BE(name, size, insn) \
-	DEF_MMIO_IN(name, u##size, __stringify(insn)"%U2%X2 %0,%2")
-#define DEF_MMIO_IN_LE(name, size, insn) \
-	DEF_MMIO_IN(name, u##size, __stringify(insn)" %0,0,%1")
+#define DEF_MMIO_IN_BE(name, size, insn)				\
+static inline u##size name(const volatile u##size __iomem *addr)	\
+{									\
+	u##size ret;							\
+	__asm__ __volatile__("sync;"#insn"%U1%X1 %0,%1;twi 0,%0,0;isync"\
+		: "=r" (ret) : "m" (*addr) : "memory");			\
+	return ret;							\
+}
+
+#define DEF_MMIO_OUT_BE(name, size, insn)				\
+static inline void name(volatile u##size __iomem *addr, u##size val)	\
+{									\
+	__asm__ __volatile__("sync;"#insn"%U0%X0 %1,%0"			\
+		: "=m" (*addr) : "r" (val) : "memory");			\
+	IO_SET_SYNC_FLAG();						\
+}
 
-#define DEF_MMIO_OUT_BE(name, size, insn) \
-	DEF_MMIO_OUT(name, u##size, __stringify(insn)"%U0%X0 %1,%0")
-#define DEF_MMIO_OUT_LE(name, size, insn) \
-	DEF_MMIO_OUT(name, u##size, __stringify(insn)" %1,0,%2")
 
 DEF_MMIO_IN_BE(in_8,     8, lbz);
 DEF_MMIO_IN_BE(in_be16, 16, lhz);
@@ -330,7 +360,8 @@ static inline unsigned int name(unsigned int port)	\
 		"	.long	3b,5b\n"		\
 		".previous"				\
 		: "=&r" (x)				\
-		: "r" (port + _IO_BASE));		\
+		: "r" (port + _IO_BASE)			\
+		: "memory");  				\
 	return x;					\
 }
 
@@ -347,7 +378,8 @@ static inline void name(unsigned int val, unsigned int port) \
 		"	.long	0b,2b\n"		\
 		"	.long	1b,2b\n"		\
 		".previous"				\
-		: : "r" (val), "r" (port + _IO_BASE));	\
+		: : "r" (val), "r" (port + _IO_BASE)	\
+		: "memory");   	   	   		\
 }
 
 __do_in_asm(_rec_inb, "lbzx")
@@ -458,8 +490,8 @@ __do_out_asm(_rec_outl, "stwbrx")
 /* Structure containing all the hooks */
 extern struct ppc_pci_io {
 
-#define DEF_PCI_AC_RET(name, ret, at, al)	ret (*name) at;
-#define DEF_PCI_AC_NORET(name, at, al)		void (*name) at;
+#define DEF_PCI_AC_RET(name, ret, at, al, space, aa)	ret (*name) at;
+#define DEF_PCI_AC_NORET(name, at, al, space, aa)	void (*name) at;
 
 #include <asm/io-defs.h>
 
@@ -469,7 +501,7 @@ extern struct ppc_pci_io {
 } ppc_pci_io;
 
 /* The inline wrappers */
-#define DEF_PCI_AC_RET(name, ret, at, al)			\
+#define DEF_PCI_AC_RET(name, ret, at, al, space, aa)		\
 static inline ret name at					\
 {								\
 	if (DEF_PCI_HOOK(ppc_pci_io.name) != NULL)		\
@@ -477,7 +509,7 @@ static inline ret name at					\
 	return __do_##name al;					\
 }
 
-#define DEF_PCI_AC_NORET(name, at, al)				\
+#define DEF_PCI_AC_NORET(name, at, al, space, aa)		\
 static inline void name at					\
 {								\
 	if (DEF_PCI_HOOK(ppc_pci_io.name) != NULL)		\
@@ -744,6 +776,9 @@ static inline void * bus_to_virt(unsigned long address)
 
 #define clrsetbits_8(addr, clear, set) clrsetbits(8, addr, clear, set)
 
+void __iomem *devm_ioremap_prot(struct device *dev, resource_size_t offset,
+				size_t size, unsigned long flags);
+
 #endif /* __KERNEL__ */
 
 #endif /* _ASM_POWERPC_IO_H */