Commit caf81329 authored by Stephen Rothwell's avatar Stephen Rothwell Committed by Paul Mackerras
Browse files

[POWERPC] Merge iSeries i/o operations with the rest 



This patch changes the io operations so that they are out of line if
CONFIG_PPC_ISERIES is set and includes a firmware feature check in
that case.

Signed-off-by: default avatarStephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent 7da8a2e5

arch/powerpc/kernel/io.c

+14 −0
Original line number Diff line number Diff line
@@ -22,12 +22,16 @@ 
#include <linux/module.h>



#include <asm/io.h>

#include <asm/firmware.h>

#include <asm/bug.h>



void _insb(volatile u8 __iomem *port, void *buf, long count)

{

	u8 *tbuf = buf;

	u8 tmp;



	BUG_ON(firmware_has_feature(FW_FEATURE_ISERIES));



	if (unlikely(count <= 0))

		return;

	asm volatile("sync");
@@ -44,6 +48,8 @@ void _outsb(volatile u8 __iomem *port, const void *buf, long count) 
{

	const u8 *tbuf = buf;



	BUG_ON(firmware_has_feature(FW_FEATURE_ISERIES));



	if (unlikely(count <= 0))

		return;

	asm volatile("sync");
@@ -59,6 +65,8 @@ void _insw_ns(volatile u16 __iomem *port, void *buf, long count) 
	u16 *tbuf = buf;

	u16 tmp;



	BUG_ON(firmware_has_feature(FW_FEATURE_ISERIES));



	if (unlikely(count <= 0))

		return;

	asm volatile("sync");
@@ -75,6 +83,8 @@ void _outsw_ns(volatile u16 __iomem *port, const void *buf, long count) 
{

	const u16 *tbuf = buf;



	BUG_ON(firmware_has_feature(FW_FEATURE_ISERIES));



	if (unlikely(count <= 0))

		return;

	asm volatile("sync");
@@ -90,6 +100,8 @@ void _insl_ns(volatile u32 __iomem *port, void *buf, long count) 
	u32 *tbuf = buf;

	u32 tmp;



	BUG_ON(firmware_has_feature(FW_FEATURE_ISERIES));



	if (unlikely(count <= 0))

		return;

	asm volatile("sync");
@@ -106,6 +118,8 @@ void _outsl_ns(volatile u32 __iomem *port, const void *buf, long count) 
{

	const u32 *tbuf = buf;



	BUG_ON(firmware_has_feature(FW_FEATURE_ISERIES));



	if (unlikely(count <= 0))

		return;

	asm volatile("sync");

arch/powerpc/platforms/iseries/pci.c

+228 −52
Original line number Diff line number Diff line
@@ -34,6 +34,7 @@ 
#include <asm/pci-bridge.h>

#include <asm/iommu.h>

#include <asm/abs_addr.h>

#include <asm/firmware.h>



#include <asm/iseries/hv_call_xm.h>

#include <asm/iseries/mf.h>
@@ -269,46 +270,6 @@ void pcibios_fixup_resources(struct pci_dev *pdev) 
{

}



/*

 * I/0 Memory copy MUST use mmio commands on iSeries

 * To do; For performance, include the hv call directly

 */

void iSeries_memset_io(volatile void __iomem *dest, char c, size_t Count)

{

	u8 ByteValue = c;

	long NumberOfBytes = Count;



	while (NumberOfBytes > 0) {

		iSeries_Write_Byte(ByteValue, dest++);

		-- NumberOfBytes;

	}

}

EXPORT_SYMBOL(iSeries_memset_io);



void iSeries_memcpy_toio(volatile void __iomem *dest, void *source, size_t count)

{

	char *src = source;

	long NumberOfBytes = count;



	while (NumberOfBytes > 0) {

		iSeries_Write_Byte(*src++, dest++);

		-- NumberOfBytes;

	}

}

EXPORT_SYMBOL(iSeries_memcpy_toio);



void iSeries_memcpy_fromio(void *dest, const volatile void __iomem *src, size_t count)

{

	char *dst = dest;

	long NumberOfBytes = count;



	while (NumberOfBytes > 0) {

		*dst++ = iSeries_Read_Byte(src++);

		-- NumberOfBytes;

	}

}

EXPORT_SYMBOL(iSeries_memcpy_fromio);



/*

 * Look down the chain to find the matching Device Device

 */
@@ -491,7 +452,7 @@ static inline struct device_node *xlate_iomm_address( 
 * iSeries_Read_Word = Read Word  (16 bit)

 * iSeries_Read_Long = Read Long  (32 bit)

 */

u8 iSeries_Read_Byte(const volatile void __iomem *IoAddress)

static u8 iSeries_Read_Byte(const volatile void __iomem *IoAddress)

{

	u64 BarOffset;

	u64 dsa;
@@ -518,9 +479,8 @@ u8 iSeries_Read_Byte(const volatile void __iomem *IoAddress) 


	return (u8)ret.value;

}

EXPORT_SYMBOL(iSeries_Read_Byte);



u16 iSeries_Read_Word(const volatile void __iomem *IoAddress)

static u16 iSeries_Read_Word(const volatile void __iomem *IoAddress)

{

	u64 BarOffset;

	u64 dsa;
@@ -548,9 +508,8 @@ u16 iSeries_Read_Word(const volatile void __iomem *IoAddress) 


	return swab16((u16)ret.value);

}

EXPORT_SYMBOL(iSeries_Read_Word);



u32 iSeries_Read_Long(const volatile void __iomem *IoAddress)

static u32 iSeries_Read_Long(const volatile void __iomem *IoAddress)

{

	u64 BarOffset;

	u64 dsa;
@@ -578,7 +537,6 @@ u32 iSeries_Read_Long(const volatile void __iomem *IoAddress) 


	return swab32((u32)ret.value);

}

EXPORT_SYMBOL(iSeries_Read_Long);



/*

 * Write MM I/O Instructions for the iSeries
@@ -587,7 +545,7 @@ EXPORT_SYMBOL(iSeries_Read_Long); 
 * iSeries_Write_Word = Write Word(16 bit)

 * iSeries_Write_Long = Write Long(32 bit)

 */

void iSeries_Write_Byte(u8 data, volatile void __iomem *IoAddress)

static void iSeries_Write_Byte(u8 data, volatile void __iomem *IoAddress)

{

	u64 BarOffset;

	u64 dsa;
@@ -612,9 +570,8 @@ void iSeries_Write_Byte(u8 data, volatile void __iomem *IoAddress) 
		rc = HvCall4(HvCallPciBarStore8, dsa, BarOffset, data, 0);

	} while (CheckReturnCode("WWB", DevNode, &retry, rc) != 0);

}

EXPORT_SYMBOL(iSeries_Write_Byte);



void iSeries_Write_Word(u16 data, volatile void __iomem *IoAddress)

static void iSeries_Write_Word(u16 data, volatile void __iomem *IoAddress)

{

	u64 BarOffset;

	u64 dsa;
@@ -639,9 +596,8 @@ void iSeries_Write_Word(u16 data, volatile void __iomem *IoAddress) 
		rc = HvCall4(HvCallPciBarStore16, dsa, BarOffset, swab16(data), 0);

	} while (CheckReturnCode("WWW", DevNode, &retry, rc) != 0);

}

EXPORT_SYMBOL(iSeries_Write_Word);



void iSeries_Write_Long(u32 data, volatile void __iomem *IoAddress)

static void iSeries_Write_Long(u32 data, volatile void __iomem *IoAddress)

{

	u64 BarOffset;

	u64 dsa;
@@ -666,4 +622,224 @@ void iSeries_Write_Long(u32 data, volatile void __iomem *IoAddress) 
		rc = HvCall4(HvCallPciBarStore32, dsa, BarOffset, swab32(data), 0);

	} while (CheckReturnCode("WWL", DevNode, &retry, rc) != 0);

}

EXPORT_SYMBOL(iSeries_Write_Long);
 


extern unsigned char __raw_readb(const volatile void __iomem *addr)

{

	BUG_ON(firmware_has_feature(FW_FEATURE_ISERIES));



	return *(volatile unsigned char __force *)addr;

}

EXPORT_SYMBOL(__raw_readb);



extern unsigned short __raw_readw(const volatile void __iomem *addr)

{

	BUG_ON(firmware_has_feature(FW_FEATURE_ISERIES));



	return *(volatile unsigned short __force *)addr;

}

EXPORT_SYMBOL(__raw_readw);



extern unsigned int __raw_readl(const volatile void __iomem *addr)

{

	BUG_ON(firmware_has_feature(FW_FEATURE_ISERIES));



	return *(volatile unsigned int __force *)addr;

}

EXPORT_SYMBOL(__raw_readl);



extern unsigned long __raw_readq(const volatile void __iomem *addr)

{

	BUG_ON(firmware_has_feature(FW_FEATURE_ISERIES));



	return *(volatile unsigned long __force *)addr;

}

EXPORT_SYMBOL(__raw_readq);



extern void __raw_writeb(unsigned char v, volatile void __iomem *addr)

{

	BUG_ON(firmware_has_feature(FW_FEATURE_ISERIES));



	*(volatile unsigned char __force *)addr = v;

}

EXPORT_SYMBOL(__raw_writeb);



extern void __raw_writew(unsigned short v, volatile void __iomem *addr)

{

	BUG_ON(firmware_has_feature(FW_FEATURE_ISERIES));



	*(volatile unsigned short __force *)addr = v;

}

EXPORT_SYMBOL(__raw_writew);



extern void __raw_writel(unsigned int v, volatile void __iomem *addr)

{

	BUG_ON(firmware_has_feature(FW_FEATURE_ISERIES));



	*(volatile unsigned int __force *)addr = v;

}

EXPORT_SYMBOL(__raw_writel);



extern void __raw_writeq(unsigned long v, volatile void __iomem *addr)

{

	BUG_ON(firmware_has_feature(FW_FEATURE_ISERIES));



	*(volatile unsigned long __force *)addr = v;

}

EXPORT_SYMBOL(__raw_writeq);



int in_8(const volatile unsigned char __iomem *addr)

{

	if (firmware_has_feature(FW_FEATURE_ISERIES))

		return iSeries_Read_Byte(addr);

	return __in_8(addr);

}

EXPORT_SYMBOL(in_8);



void out_8(volatile unsigned char __iomem *addr, int val)

{

	if (firmware_has_feature(FW_FEATURE_ISERIES))

		iSeries_Write_Byte(val, addr);

	else

		__out_8(addr, val);

}

EXPORT_SYMBOL(out_8);



int in_le16(const volatile unsigned short __iomem *addr)

{

	if (firmware_has_feature(FW_FEATURE_ISERIES))

		return iSeries_Read_Word(addr);

	return __in_le16(addr);

}

EXPORT_SYMBOL(in_le16);



int in_be16(const volatile unsigned short __iomem *addr)

{

	BUG_ON(firmware_has_feature(FW_FEATURE_ISERIES));



	return __in_be16(addr);

}

EXPORT_SYMBOL(in_be16);



void out_le16(volatile unsigned short __iomem *addr, int val)

{

	if (firmware_has_feature(FW_FEATURE_ISERIES))

		iSeries_Write_Word(val, addr);

	else

		__out_le16(addr, val);

}

EXPORT_SYMBOL(out_le16);



void out_be16(volatile unsigned short __iomem *addr, int val)

{

	BUG_ON(firmware_has_feature(FW_FEATURE_ISERIES));



	__out_be16(addr, val);

}

EXPORT_SYMBOL(out_be16);



unsigned in_le32(const volatile unsigned __iomem *addr)

{

	if (firmware_has_feature(FW_FEATURE_ISERIES))

		return iSeries_Read_Long(addr);

	return __in_le32(addr);

}

EXPORT_SYMBOL(in_le32);



unsigned in_be32(const volatile unsigned __iomem *addr)

{

	BUG_ON(firmware_has_feature(FW_FEATURE_ISERIES));



	return __in_be32(addr);

}

EXPORT_SYMBOL(in_be32);



void out_le32(volatile unsigned __iomem *addr, int val)

{

	if (firmware_has_feature(FW_FEATURE_ISERIES))

		iSeries_Write_Long(val, addr);

	else

		__out_le32(addr, val);

}

EXPORT_SYMBOL(out_le32);



void out_be32(volatile unsigned __iomem *addr, int val)

{

	BUG_ON(firmware_has_feature(FW_FEATURE_ISERIES));



	__out_be32(addr, val);

}

EXPORT_SYMBOL(out_be32);



unsigned long in_le64(const volatile unsigned long __iomem *addr)

{

	BUG_ON(firmware_has_feature(FW_FEATURE_ISERIES));



	return __in_le64(addr);

}

EXPORT_SYMBOL(in_le64);



unsigned long in_be64(const volatile unsigned long __iomem *addr)

{

	BUG_ON(firmware_has_feature(FW_FEATURE_ISERIES));



	return __in_be64(addr);

}

EXPORT_SYMBOL(in_be64);



void out_le64(volatile unsigned long __iomem *addr, unsigned long val)

{

	BUG_ON(firmware_has_feature(FW_FEATURE_ISERIES));



	__out_le64(addr, val);

}

EXPORT_SYMBOL(out_le64);



void out_be64(volatile unsigned long __iomem *addr, unsigned long val)

{

	BUG_ON(firmware_has_feature(FW_FEATURE_ISERIES));



	__out_be64(addr, val);

}

EXPORT_SYMBOL(out_be64);



void memset_io(volatile void __iomem *addr, int c, unsigned long n)

{

	if (firmware_has_feature(FW_FEATURE_ISERIES)) {

		volatile char __iomem *d = addr;



		while (n-- > 0) {

			iSeries_Write_Byte(c, d++);

		}

	} else

		eeh_memset_io(addr, c, n);

}

EXPORT_SYMBOL(memset_io);



void memcpy_fromio(void *dest, const volatile void __iomem *src,

                                 unsigned long n)

{

	if (firmware_has_feature(FW_FEATURE_ISERIES)) {

		char *d = dest;

		const volatile char __iomem *s = src;



		while (n-- > 0) {

			*d++ = iSeries_Read_Byte(s++);

		}

	} else

		eeh_memcpy_fromio(dest, src, n);

}

EXPORT_SYMBOL(memcpy_fromio);



void memcpy_toio(volatile void __iomem *dest, const void *src, unsigned long n)

{

	if (firmware_has_feature(FW_FEATURE_ISERIES)) {

		const char *s = src;

		volatile char __iomem *d = dest;



		while (n-- > 0) {

			iSeries_Write_Byte(*s++, d++);

		}

	} else

		eeh_memcpy_toio(dest, src, n);

}

EXPORT_SYMBOL(memcpy_toio);

include/asm-powerpc/io.h

+77 −71
Original line number Diff line number Diff line
@@ -20,9 +20,6 @@ extern int check_legacy_ioport(unsigned long base_port); 
#include <asm/page.h>

#include <asm/byteorder.h>

#include <asm/paca.h>

#ifdef CONFIG_PPC_ISERIES 

#include <asm/iseries/iseries_io.h>

#endif  

#include <asm/synch.h>

#include <asm/delay.h>
@@ -37,41 +34,53 @@ extern unsigned long isa_io_base; 
extern unsigned long pci_io_base;



#ifdef CONFIG_PPC_ISERIES

/* __raw_* accessors aren't supported on iSeries */

#define __raw_readb(addr)	{ BUG(); 0; }

#define __raw_readw(addr)       { BUG(); 0; }

#define __raw_readl(addr)       { BUG(); 0; }

#define __raw_readq(addr)       { BUG(); 0; }

#define __raw_writeb(v, addr)   { BUG(); 0; }

#define __raw_writew(v, addr)   { BUG(); 0; }

#define __raw_writel(v, addr)   { BUG(); 0; }

#define __raw_writeq(v, addr)   { BUG(); 0; }

#define readb(addr)		iSeries_Read_Byte(addr)

#define readw(addr)		iSeries_Read_Word(addr)

#define readl(addr)		iSeries_Read_Long(addr)

#define writeb(data, addr)	iSeries_Write_Byte((data),(addr))

#define writew(data, addr)	iSeries_Write_Word((data),(addr))

#define writel(data, addr)	iSeries_Write_Long((data),(addr))

#define memset_io(a,b,c)	iSeries_memset_io((a),(b),(c))

#define memcpy_fromio(a,b,c)	iSeries_memcpy_fromio((a), (b), (c))

#define memcpy_toio(a,b,c)	iSeries_memcpy_toio((a), (b), (c))



#define inb(addr)		readb(((void __iomem *)(long)(addr)))

#define inw(addr)		readw(((void __iomem *)(long)(addr)))

#define inl(addr)		readl(((void __iomem *)(long)(addr)))

#define outb(data,addr)		writeb(data,((void __iomem *)(long)(addr)))

#define outw(data,addr)		writew(data,((void __iomem *)(long)(addr)))

#define outl(data,addr)		writel(data,((void __iomem *)(long)(addr)))

/*

 * The *_ns versions below don't do byte-swapping.

 * Neither do the standard versions now, these are just here

 * for older code.

 */

#define insb(port, buf, ns)	_insb((u8 __iomem *)((port)+pci_io_base), (buf), (ns))

#define insw(port, buf, ns)	_insw_ns((u16 __iomem *)((port)+pci_io_base), (buf), (ns))

#define insl(port, buf, nl)	_insl_ns((u32 __iomem *)((port)+pci_io_base), (buf), (nl))



#else

extern int in_8(const volatile unsigned char __iomem *addr);

extern void out_8(volatile unsigned char __iomem *addr, int val);

extern int in_le16(const volatile unsigned short __iomem *addr);

extern int in_be16(const volatile unsigned short __iomem *addr);

extern void out_le16(volatile unsigned short __iomem *addr, int val);

extern void out_be16(volatile unsigned short __iomem *addr, int val);

extern unsigned in_le32(const volatile unsigned __iomem *addr);

extern unsigned in_be32(const volatile unsigned __iomem *addr);

extern void out_le32(volatile unsigned __iomem *addr, int val);

extern void out_be32(volatile unsigned __iomem *addr, int val);

extern unsigned long in_le64(const volatile unsigned long __iomem *addr);

extern unsigned long in_be64(const volatile unsigned long __iomem *addr);

extern void out_le64(volatile unsigned long __iomem *addr, unsigned long val);

extern void out_be64(volatile unsigned long __iomem *addr, unsigned long val);



extern unsigned char __raw_readb(const volatile void __iomem *addr);

extern unsigned short __raw_readw(const volatile void __iomem *addr);

extern unsigned int __raw_readl(const volatile void __iomem *addr);

extern unsigned long __raw_readq(const volatile void __iomem *addr);

extern void __raw_writeb(unsigned char v, volatile void __iomem *addr);

extern void __raw_writew(unsigned short v, volatile void __iomem *addr);

extern void __raw_writel(unsigned int v, volatile void __iomem *addr);

extern void __raw_writeq(unsigned long v, volatile void __iomem *addr);



extern void memset_io(volatile void __iomem *addr, int c, unsigned long n);

extern void memcpy_fromio(void *dest, const volatile void __iomem *src,

                                 unsigned long n);

extern void memcpy_toio(volatile void __iomem *dest, const void *src,

                                 unsigned long n);



#else /* CONFIG_PPC_ISERIES */



#define in_8(addr)		__in_8((addr))

#define out_8(addr, val)	__out_8((addr), (val))

#define in_le16(addr)		__in_le16((addr))

#define in_be16(addr)		__in_be16((addr))

#define out_le16(addr, val)	__out_le16((addr), (val))

#define out_be16(addr, val)	__out_be16((addr), (val))

#define in_le32(addr)		__in_le32((addr))

#define in_be32(addr)		__in_be32((addr))

#define out_le32(addr, val)	__out_le32((addr), (val))

#define out_be32(addr, val)	__out_be32((addr), (val))

#define in_le64(addr)		__in_le64((addr))

#define in_be64(addr)		__in_be64((addr))

#define out_le64(addr, val)	__out_le64((addr), (val))

#define out_be64(addr, val)	__out_be64((addr), (val))



static inline unsigned char __raw_readb(const volatile void __iomem *addr)

{
@@ -105,23 +114,11 @@ static inline void __raw_writeq(unsigned long v, volatile void __iomem *addr) 
{

	*(volatile unsigned long __force *)addr = v;

}

#define readb(addr)		eeh_readb(addr)

#define readw(addr)		eeh_readw(addr)

#define readl(addr)		eeh_readl(addr)

#define readq(addr)		eeh_readq(addr)

#define writeb(data, addr)	eeh_writeb((data), (addr))

#define writew(data, addr)	eeh_writew((data), (addr))

#define writel(data, addr)	eeh_writel((data), (addr))

#define writeq(data, addr)	eeh_writeq((data), (addr))

#define memset_io(a,b,c)	eeh_memset_io((a),(b),(c))

#define memcpy_fromio(a,b,c)	eeh_memcpy_fromio((a),(b),(c))

#define memcpy_toio(a,b,c)	eeh_memcpy_toio((a),(b),(c))

#define inb(port)		eeh_inb((unsigned long)port)

#define outb(val, port)		eeh_outb(val, (unsigned long)port)

#define inw(port)		eeh_inw((unsigned long)port)

#define outw(val, port)		eeh_outw(val, (unsigned long)port)

#define inl(port)		eeh_inl((unsigned long)port)

#define outl(val, port)		eeh_outl(val, (unsigned long)port)



#endif /* CONFIG_PPC_ISERIES */



/*

 * The insw/outsw/insl/outsl macros don't do byte-swapping.
@@ -132,12 +129,25 @@ static inline void __raw_writeq(unsigned long v, volatile void __iomem *addr) 
#define insw(port, buf, ns)	eeh_insw_ns((port), (buf), (ns))

#define insl(port, buf, nl)	eeh_insl_ns((port), (buf), (nl))



#endif



#define outsb(port, buf, ns)  _outsb((u8 __iomem *)((port)+pci_io_base), (buf), (ns))

#define outsw(port, buf, ns)  _outsw_ns((u16 __iomem *)((port)+pci_io_base), (buf), (ns))

#define outsl(port, buf, nl)  _outsl_ns((u32 __iomem *)((port)+pci_io_base), (buf), (nl))



#define readb(addr)		eeh_readb(addr)

#define readw(addr)		eeh_readw(addr)

#define readl(addr)		eeh_readl(addr)

#define readq(addr)		eeh_readq(addr)

#define writeb(data, addr)	eeh_writeb((data), (addr))

#define writew(data, addr)	eeh_writew((data), (addr))

#define writel(data, addr)	eeh_writel((data), (addr))

#define writeq(data, addr)	eeh_writeq((data), (addr))

#define inb(port)		eeh_inb((unsigned long)port)

#define outb(val, port)		eeh_outb(val, (unsigned long)port)

#define inw(port)		eeh_inw((unsigned long)port)

#define outw(val, port)		eeh_outw(val, (unsigned long)port)

#define inl(port)		eeh_inl((unsigned long)port)

#define outl(val, port)		eeh_outl(val, (unsigned long)port)



#define readb_relaxed(addr) readb(addr)

#define readw_relaxed(addr) readw(addr)

#define readl_relaxed(addr) readl(addr)
@@ -258,7 +268,7 @@ static inline void iosync(void) 
 * and should not be used directly by device drivers.  Use inb/readb

 * instead.

 */

static inline int in_8(const volatile unsigned char __iomem *addr)

static inline int __in_8(const volatile unsigned char __iomem *addr)

{

	int ret;
@@ -267,14 +277,14 @@ static inline int in_8(const volatile unsigned char __iomem *addr) 
	return ret;

}



static inline void out_8(volatile unsigned char __iomem *addr, int val)

static inline void __out_8(volatile unsigned char __iomem *addr, int val)

{

	__asm__ __volatile__("sync; stb%U0%X0 %1,%0"

			     : "=m" (*addr) : "r" (val));

	get_paca()->io_sync = 1;

}



static inline int in_le16(const volatile unsigned short __iomem *addr)

static inline int __in_le16(const volatile unsigned short __iomem *addr)

{

	int ret;
@@ -283,7 +293,7 @@ static inline int in_le16(const volatile unsigned short __iomem *addr) 
	return ret;

}



static inline int in_be16(const volatile unsigned short __iomem *addr)

static inline int __in_be16(const volatile unsigned short __iomem *addr)

{

	int ret;
@@ -292,21 +302,21 @@ static inline int in_be16(const volatile unsigned short __iomem *addr) 
	return ret;

}



static inline void out_le16(volatile unsigned short __iomem *addr, int val)

static inline void __out_le16(volatile unsigned short __iomem *addr, int val)

{

	__asm__ __volatile__("sync; sthbrx %1,0,%2"

			     : "=m" (*addr) : "r" (val), "r" (addr));

	get_paca()->io_sync = 1;

}



static inline void out_be16(volatile unsigned short __iomem *addr, int val)

static inline void __out_be16(volatile unsigned short __iomem *addr, int val)

{

	__asm__ __volatile__("sync; sth%U0%X0 %1,%0"

			     : "=m" (*addr) : "r" (val));

	get_paca()->io_sync = 1;

}



static inline unsigned in_le32(const volatile unsigned __iomem *addr)

static inline unsigned __in_le32(const volatile unsigned __iomem *addr)

{

	unsigned ret;
@@ -315,7 +325,7 @@ static inline unsigned in_le32(const volatile unsigned __iomem *addr) 
	return ret;

}



static inline unsigned in_be32(const volatile unsigned __iomem *addr)

static inline unsigned __in_be32(const volatile unsigned __iomem *addr)

{

	unsigned ret;
@@ -324,21 +334,21 @@ static inline unsigned in_be32(const volatile unsigned __iomem *addr) 
	return ret;

}



static inline void out_le32(volatile unsigned __iomem *addr, int val)

static inline void __out_le32(volatile unsigned __iomem *addr, int val)

{

	__asm__ __volatile__("sync; stwbrx %1,0,%2" : "=m" (*addr)

			     : "r" (val), "r" (addr));

	get_paca()->io_sync = 1;

}



static inline void out_be32(volatile unsigned __iomem *addr, int val)

static inline void __out_be32(volatile unsigned __iomem *addr, int val)

{

	__asm__ __volatile__("sync; stw%U0%X0 %1,%0"

			     : "=m" (*addr) : "r" (val));

	get_paca()->io_sync = 1;

}



static inline unsigned long in_le64(const volatile unsigned long __iomem *addr)

static inline unsigned long __in_le64(const volatile unsigned long __iomem *addr)

{

	unsigned long tmp, ret;
@@ -358,7 +368,7 @@ static inline unsigned long in_le64(const volatile unsigned long __iomem *addr) 
	return ret;

}



static inline unsigned long in_be64(const volatile unsigned long __iomem *addr)

static inline unsigned long __in_be64(const volatile unsigned long __iomem *addr)

{

	unsigned long ret;
@@ -367,7 +377,7 @@ static inline unsigned long in_be64(const volatile unsigned long __iomem *addr) 
	return ret;

}



static inline void out_le64(volatile unsigned long __iomem *addr, unsigned long val)

static inline void __out_le64(volatile unsigned long __iomem *addr, unsigned long val)

{

	unsigned long tmp;
@@ -385,15 +395,13 @@ static inline void out_le64(volatile unsigned long __iomem *addr, unsigned long 
	get_paca()->io_sync = 1;

}



static inline void out_be64(volatile unsigned long __iomem *addr, unsigned long val)

static inline void __out_be64(volatile unsigned long __iomem *addr, unsigned long val)

{

	__asm__ __volatile__("sync; std%U0%X0 %1,%0" : "=m" (*addr) : "r" (val));

	get_paca()->io_sync = 1;

}



#ifndef CONFIG_PPC_ISERIES 

#include <asm/eeh.h>

#endif



/**

 *	check_signature		-	find BIOS signatures
@@ -409,7 +417,6 @@ static inline int check_signature(const volatile void __iomem * io_addr, 
	const unsigned char *signature, int length)

{

	int retval = 0;

#ifndef CONFIG_PPC_ISERIES 

	do {

		if (readb(io_addr) != *signature)

			goto out;
@@ -419,7 +426,6 @@ static inline int check_signature(const volatile void __iomem * io_addr, 
	} while (length);

	retval = 1;

out:

#endif

	return retval;

}

include/asm-powerpc/iseries/iseries_io.h

deleted100644 → 0
+0 −60
Original line number Diff line number Diff line 
#ifndef _ASM_POWERPC_ISERIES_ISERIES_IO_H

#define _ASM_POWERPC_ISERIES_ISERIES_IO_H





#ifdef CONFIG_PPC_ISERIES

#include <linux/types.h>

/*

 * Created by Allan Trautman on Thu Dec 28 2000.

 *

 * Remaps the io.h for the iSeries Io

 * Copyright (C) 2000  Allan H Trautman, IBM Corporation

 *

 * 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 2 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the:

 * Free Software Foundation, Inc.,

 * 59 Temple Place, Suite 330,

 * Boston, MA  02111-1307  USA

 *

 * Change Activity:

 *   Created December 28, 2000

 * End Change Activity

 */



#ifdef CONFIG_PCI

extern u8   iSeries_Read_Byte(const volatile void __iomem * IoAddress);

extern u16  iSeries_Read_Word(const volatile void __iomem * IoAddress);

extern u32  iSeries_Read_Long(const volatile void __iomem * IoAddress);

extern void iSeries_Write_Byte(u8  IoData, volatile void __iomem * IoAddress);

extern void iSeries_Write_Word(u16 IoData, volatile void __iomem * IoAddress);

extern void iSeries_Write_Long(u32 IoData, volatile void __iomem * IoAddress);



extern void iSeries_memset_io(volatile void __iomem *dest, char x, size_t n);

extern void iSeries_memcpy_toio(volatile void __iomem *dest, void *source,

		size_t n);

extern void iSeries_memcpy_fromio(void *dest,

		const volatile void __iomem *source, size_t n);

#else

static inline u8 iSeries_Read_Byte(const volatile void __iomem *IoAddress)

{

	return 0xff;

}



static inline void iSeries_Write_Byte(u8 IoData,

		volatile void __iomem *IoAddress)

{

}

#endif	/* CONFIG_PCI */



#endif /* CONFIG_PPC_ISERIES */

#endif /* _ASM_POWERPC_ISERIES_ISERIES_IO_H */

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