diff options
Diffstat (limited to 'include/asm-powerpc/io.h')
| -rw-r--r-- | include/asm-powerpc/io.h | 226 |
1 files changed, 112 insertions, 114 deletions
diff --git a/include/asm-powerpc/io.h b/include/asm-powerpc/io.h index 36c4c34bf56..46bae1cf385 100644 --- a/include/asm-powerpc/io.h +++ b/include/asm-powerpc/io.h @@ -19,20 +19,12 @@ extern int check_legacy_ioport(unsigned long base_port); #include <linux/compiler.h> #include <asm/page.h> #include <asm/byteorder.h> -#ifdef CONFIG_PPC_ISERIES -#include <asm/iseries/iseries_io.h> -#endif +#include <asm/paca.h> #include <asm/synch.h> #include <asm/delay.h> #include <asm-generic/iomap.h> -#define __ide_mm_insw(p, a, c) _insw_ns((volatile u16 __iomem *)(p), (a), (c)) -#define __ide_mm_insl(p, a, c) _insl_ns((volatile u32 __iomem *)(p), (a), (c)) -#define __ide_mm_outsw(p, a, c) _outsw_ns((volatile u16 __iomem *)(p), (a), (c)) -#define __ide_mm_outsl(p, a, c) _outsl_ns((volatile u32 __iomem *)(p), (a), (c)) - - #define SIO_CONFIG_RA 0x398 #define SIO_CONFIG_RD 0x399 @@ -42,42 +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((u8 __iomem *)((port)+pci_io_base), (buf), (ns)) -#define insl(port, buf, nl) _insl_ns((u8 __iomem *)((port)+pci_io_base), (buf), (nl)) -#define insw_ns(port, buf, ns) _insw_ns((u16 __iomem *)((port)+pci_io_base), (buf), (ns)) -#define insl_ns(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) { @@ -111,23 +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. @@ -137,32 +128,43 @@ static inline void __raw_writeq(unsigned long v, volatile void __iomem *addr) #define insb(port, buf, ns) eeh_insb((port), (buf), (ns)) #define insw(port, buf, ns) eeh_insw_ns((port), (buf), (ns)) #define insl(port, buf, nl) eeh_insl_ns((port), (buf), (nl)) -#define insw_ns(port, buf, ns) eeh_insw_ns((port), (buf), (ns)) -#define insl_ns(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) #define readq_relaxed(addr) readq(addr) -extern void _insb(volatile u8 __iomem *port, void *buf, int ns); -extern void _outsb(volatile u8 __iomem *port, const void *buf, int ns); -extern void _insw(volatile u16 __iomem *port, void *buf, int ns); -extern void _outsw(volatile u16 __iomem *port, const void *buf, int ns); -extern void _insl(volatile u32 __iomem *port, void *buf, int nl); -extern void _outsl(volatile u32 __iomem *port, const void *buf, int nl); -extern void _insw_ns(volatile u16 __iomem *port, void *buf, int ns); -extern void _outsw_ns(volatile u16 __iomem *port, const void *buf, int ns); -extern void _insl_ns(volatile u32 __iomem *port, void *buf, int nl); -extern void _outsl_ns(volatile u32 __iomem *port, const void *buf, int nl); +extern void _insb(volatile u8 __iomem *port, void *buf, long count); +extern void _outsb(volatile u8 __iomem *port, const void *buf, long count); +extern void _insw_ns(volatile u16 __iomem *port, void *buf, long count); +extern void _outsw_ns(volatile u16 __iomem *port, const void *buf, long count); +extern void _insl_ns(volatile u32 __iomem *port, void *buf, long count); +extern void _outsl_ns(volatile u32 __iomem *port, const void *buf, long count); -#define mmiowb() +static inline void mmiowb(void) +{ + __asm__ __volatile__ ("sync" : : : "memory"); + get_paca()->io_sync = 0; +} /* * output pause versions need a delay at least for the @@ -175,14 +177,6 @@ extern void _outsl_ns(volatile u32 __iomem *port, const void *buf, int nl); #define inl_p(port) inl(port) #define outl_p(val, port) (udelay(1), outl((val), (port))) -/* - * The *_ns versions below don't do byte-swapping. - * Neither do the standard versions now, these are just here - * for older code. - */ -#define outsw_ns(port, buf, ns) _outsw_ns((u16 __iomem *)((port)+pci_io_base), (buf), (ns)) -#define outsl_ns(port, buf, nl) _outsl_ns((u32 __iomem *)((port)+pci_io_base), (buf), (nl)) - #define IO_SPACE_LIMIT ~(0UL) @@ -274,86 +268,92 @@ 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; - __asm__ __volatile__("lbz%U1%X1 %0,%1; twi 0,%0,0; isync" + __asm__ __volatile__("sync; lbz%U1%X1 %0,%1; twi 0,%0,0; isync" : "=r" (ret) : "m" (*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__("stb%U0%X0 %1,%0; sync" + __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; - __asm__ __volatile__("lhbrx %0,0,%1; twi 0,%0,0; isync" + __asm__ __volatile__("sync; lhbrx %0,0,%1; twi 0,%0,0; isync" : "=r" (ret) : "r" (addr), "m" (*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; - __asm__ __volatile__("lhz%U1%X1 %0,%1; twi 0,%0,0; isync" + __asm__ __volatile__("sync; lhz%U1%X1 %0,%1; twi 0,%0,0; isync" : "=r" (ret) : "m" (*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__("sthbrx %1,0,%2; sync" + __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__("sth%U0%X0 %1,%0; sync" + __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; - __asm__ __volatile__("lwbrx %0,0,%1; twi 0,%0,0; isync" + __asm__ __volatile__("sync; lwbrx %0,0,%1; twi 0,%0,0; isync" : "=r" (ret) : "r" (addr), "m" (*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; - __asm__ __volatile__("lwz%U1%X1 %0,%1; twi 0,%0,0; isync" + __asm__ __volatile__("sync; lwz%U1%X1 %0,%1; twi 0,%0,0; isync" : "=r" (ret) : "m" (*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__("stwbrx %1,0,%2; sync" : "=m" (*addr) + __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__("stw%U0%X0 %1,%0; sync" + __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; __asm__ __volatile__( + "sync\n" "ld %1,0(%2)\n" "twi 0,%1,0\n" "isync\n" @@ -368,16 +368,16 @@ 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; - __asm__ __volatile__("ld%U1%X1 %0,%1; twi 0,%0,0; isync" + __asm__ __volatile__("sync; ld%U1%X1 %0,%1; twi 0,%0,0; isync" : "=r" (ret) : "m" (*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; @@ -389,19 +389,19 @@ static inline void out_le64(volatile unsigned long __iomem *addr, unsigned long "rldicl %1,%1,32,0\n" "rlwimi %0,%1,8,8,31\n" "rlwimi %0,%1,24,16,23\n" - "std %0,0(%3)\n" - "sync" + "sync\n" + "std %0,0(%3)" : "=&r" (tmp) , "=&r" (val) : "1" (val) , "b" (addr) , "m" (*addr)); + 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__("std%U0%X0 %1,%0; sync" : "=m" (*addr) : "r" (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 @@ -417,7 +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; @@ -427,7 +426,6 @@ static inline int check_signature(const volatile void __iomem * io_addr, } while (length); retval = 1; out: -#endif return retval; } |