diff options
Diffstat (limited to 'arch/powerpc/include/asm/io.h')
| -rw-r--r-- | arch/powerpc/include/asm/io.h | 158 |
1 files changed, 155 insertions, 3 deletions
diff --git a/arch/powerpc/include/asm/io.h b/arch/powerpc/include/asm/io.h index 58635960403c..273edd208ec5 100644 --- a/arch/powerpc/include/asm/io.h +++ b/arch/powerpc/include/asm/io.h @@ -122,7 +122,7 @@ 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"); \ + : "=r" (ret) : "m"UPD_CONSTR (*addr) : "memory"); \ return ret; \ } @@ -130,7 +130,7 @@ static inline u##size name(const volatile u##size __iomem *addr) \ 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"); \ + : "=m"UPD_CONSTR (*addr) : "r" (val) : "memory"); \ mmiowb_set_pending(); \ } @@ -302,41 +302,56 @@ static inline unsigned char __raw_readb(const volatile void __iomem *addr) { return *(volatile unsigned char __force *)PCI_FIX_ADDR(addr); } +#define __raw_readb __raw_readb + static inline unsigned short __raw_readw(const volatile void __iomem *addr) { return *(volatile unsigned short __force *)PCI_FIX_ADDR(addr); } +#define __raw_readw __raw_readw + static inline unsigned int __raw_readl(const volatile void __iomem *addr) { return *(volatile unsigned int __force *)PCI_FIX_ADDR(addr); } +#define __raw_readl __raw_readl + static inline void __raw_writeb(unsigned char v, volatile void __iomem *addr) { *(volatile unsigned char __force *)PCI_FIX_ADDR(addr) = v; } +#define __raw_writeb __raw_writeb + static inline void __raw_writew(unsigned short v, volatile void __iomem *addr) { *(volatile unsigned short __force *)PCI_FIX_ADDR(addr) = v; } +#define __raw_writew __raw_writew + static inline void __raw_writel(unsigned int v, volatile void __iomem *addr) { *(volatile unsigned int __force *)PCI_FIX_ADDR(addr) = v; } +#define __raw_writel __raw_writel #ifdef __powerpc64__ static inline unsigned long __raw_readq(const volatile void __iomem *addr) { return *(volatile unsigned long __force *)PCI_FIX_ADDR(addr); } +#define __raw_readq __raw_readq + static inline void __raw_writeq(unsigned long v, volatile void __iomem *addr) { *(volatile unsigned long __force *)PCI_FIX_ADDR(addr) = v; } +#define __raw_writeq __raw_writeq static inline void __raw_writeq_be(unsigned long v, volatile void __iomem *addr) { __raw_writeq((__force unsigned long)cpu_to_be64(v), addr); } +#define __raw_writeq_be __raw_writeq_be /* * Real mode versions of the above. Those instructions are only supposed @@ -609,10 +624,37 @@ static inline void name at \ /* Some drivers check for the presence of readq & writeq with * a #ifdef, so we make them happy here. */ +#define readb readb +#define readw readw +#define readl readl +#define writeb writeb +#define writew writew +#define writel writel +#define readsb readsb +#define readsw readsw +#define readsl readsl +#define writesb writesb +#define writesw writesw +#define writesl writesl +#define inb inb +#define inw inw +#define inl inl +#define outb outb +#define outw outw +#define outl outl +#define insb insb +#define insw insw +#define insl insl +#define outsb outsb +#define outsw outsw +#define outsl outsl #ifdef __powerpc64__ #define readq readq #define writeq writeq #endif +#define memset_io memset_io +#define memcpy_fromio memcpy_fromio +#define memcpy_toio memcpy_toio /* * Convert a physical pointer to a virtual kernel pointer for /dev/mem @@ -637,7 +679,106 @@ static inline void name at \ #define writel_relaxed(v, addr) writel(v, addr) #define writeq_relaxed(v, addr) writeq(v, addr) +#ifdef CONFIG_GENERIC_IOMAP #include <asm-generic/iomap.h> +#else +/* + * Here comes the implementation of the IOMAP interfaces. + */ +static inline unsigned int ioread16be(const void __iomem *addr) +{ + return readw_be(addr); +} +#define ioread16be ioread16be + +static inline unsigned int ioread32be(const void __iomem *addr) +{ + return readl_be(addr); +} +#define ioread32be ioread32be + +#ifdef __powerpc64__ +static inline u64 ioread64_lo_hi(const void __iomem *addr) +{ + return readq(addr); +} +#define ioread64_lo_hi ioread64_lo_hi + +static inline u64 ioread64_hi_lo(const void __iomem *addr) +{ + return readq(addr); +} +#define ioread64_hi_lo ioread64_hi_lo + +static inline u64 ioread64be(const void __iomem *addr) +{ + return readq_be(addr); +} +#define ioread64be ioread64be + +static inline u64 ioread64be_lo_hi(const void __iomem *addr) +{ + return readq_be(addr); +} +#define ioread64be_lo_hi ioread64be_lo_hi + +static inline u64 ioread64be_hi_lo(const void __iomem *addr) +{ + return readq_be(addr); +} +#define ioread64be_hi_lo ioread64be_hi_lo +#endif /* __powerpc64__ */ + +static inline void iowrite16be(u16 val, void __iomem *addr) +{ + writew_be(val, addr); +} +#define iowrite16be iowrite16be + +static inline void iowrite32be(u32 val, void __iomem *addr) +{ + writel_be(val, addr); +} +#define iowrite32be iowrite32be + +#ifdef __powerpc64__ +static inline void iowrite64_lo_hi(u64 val, void __iomem *addr) +{ + writeq(val, addr); +} +#define iowrite64_lo_hi iowrite64_lo_hi + +static inline void iowrite64_hi_lo(u64 val, void __iomem *addr) +{ + writeq(val, addr); +} +#define iowrite64_hi_lo iowrite64_hi_lo + +static inline void iowrite64be(u64 val, void __iomem *addr) +{ + writeq_be(val, addr); +} +#define iowrite64be iowrite64be + +static inline void iowrite64be_lo_hi(u64 val, void __iomem *addr) +{ + writeq_be(val, addr); +} +#define iowrite64be_lo_hi iowrite64be_lo_hi + +static inline void iowrite64be_hi_lo(u64 val, void __iomem *addr) +{ + writeq_be(val, addr); +} +#define iowrite64be_hi_lo iowrite64be_hi_lo +#endif /* __powerpc64__ */ + +struct pci_dev; +void pci_iounmap(struct pci_dev *dev, void __iomem *addr); +#define pci_iounmap pci_iounmap +void __iomem *ioport_map(unsigned long port, unsigned int len); +#define ioport_map ioport_map +#endif static inline void iosync(void) { @@ -670,7 +811,6 @@ static inline void iosync(void) #define IO_SPACE_LIMIT ~(0UL) - /** * ioremap - map bus memory into CPU space * @address: bus address of the memory @@ -706,7 +846,13 @@ extern void __iomem *ioremap(phys_addr_t address, unsigned long size); extern void __iomem *ioremap_prot(phys_addr_t address, unsigned long size, unsigned long flags); extern void __iomem *ioremap_wc(phys_addr_t address, unsigned long size); +#define ioremap_wc ioremap_wc + +#ifdef CONFIG_PPC32 void __iomem *ioremap_wt(phys_addr_t address, unsigned long size); +#define ioremap_wt ioremap_wt +#endif + void __iomem *ioremap_coherent(phys_addr_t address, unsigned long size); #define ioremap_uc(addr, size) ioremap((addr), (size)) #define ioremap_cache(addr, size) \ @@ -766,6 +912,7 @@ static inline unsigned long virt_to_phys(volatile void * address) return __pa((unsigned long)address); } +#define virt_to_phys virt_to_phys /** * phys_to_virt - map physical address to virtual @@ -783,6 +930,7 @@ static inline void * phys_to_virt(unsigned long address) { return (void *)__va(address); } +#define phys_to_virt phys_to_virt /* * Change "struct page" to physical address. @@ -810,6 +958,7 @@ static inline unsigned long virt_to_bus(volatile void * address) return 0; return __pa(address) + PCI_DRAM_OFFSET; } +#define virt_to_bus virt_to_bus static inline void * bus_to_virt(unsigned long address) { @@ -817,6 +966,7 @@ static inline void * bus_to_virt(unsigned long address) return NULL; return __va(address - PCI_DRAM_OFFSET); } +#define bus_to_virt bus_to_virt #define page_to_bus(page) (page_to_phys(page) + PCI_DRAM_OFFSET) @@ -855,6 +1005,8 @@ static inline void * bus_to_virt(unsigned long address) #define clrsetbits_8(addr, clear, set) clrsetbits(8, addr, clear, set) +#include <asm-generic/io.h> + #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_IO_H */ |