diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-ixp4xx/include/mach/io.h | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/arch/arm/mach-ixp4xx/include/mach/io.h b/arch/arm/mach-ixp4xx/include/mach/io.h index c06d4a2911a6..0e601fe50162 100644 --- a/arch/arm/mach-ixp4xx/include/mach/io.h +++ b/arch/arm/mach-ixp4xx/include/mach/io.h @@ -55,10 +55,16 @@ extern int ixp4xx_pci_write(u32 addr, u32 cmd, u32 data); * access registers. If something outside of PCI is ioremap'd, we * fallback to the default. */ + +static inline int is_pci_memory(u32 addr) +{ + return (addr >= PCIBIOS_MIN_MEM) && (addr <= 0x4FFFFFFF); +} + static inline void __iomem * __indirect_ioremap(unsigned long addr, size_t size, unsigned int mtype) { - if((addr < PCIBIOS_MIN_MEM) || (addr > 0x4fffffff)) + if (!is_pci_memory(addr)) return __arm_ioremap(addr, size, mtype); return (void __iomem *)addr; @@ -66,7 +72,7 @@ static inline void __iomem * __indirect_ioremap(unsigned long addr, size_t size, static inline void __indirect_iounmap(void __iomem *addr) { - if ((__force u32)addr >= VMALLOC_START) + if (!is_pci_memory((__force u32)addr)) __iounmap(addr); } @@ -94,7 +100,7 @@ static inline void __indirect_writeb(u8 value, volatile void __iomem *p) u32 addr = (u32)p; u32 n, byte_enables, data; - if (addr >= VMALLOC_START) { + if (!is_pci_memory(addr)) { __raw_writeb(value, addr); return; } @@ -117,7 +123,7 @@ static inline void __indirect_writew(u16 value, volatile void __iomem *p) u32 addr = (u32)p; u32 n, byte_enables, data; - if (addr >= VMALLOC_START) { + if (!is_pci_memory(addr)) { __raw_writew(value, addr); return; } @@ -138,7 +144,8 @@ static inline void __indirect_writesw(volatile void __iomem *bus_addr, static inline void __indirect_writel(u32 value, volatile void __iomem *p) { u32 addr = (__force u32)p; - if (addr >= VMALLOC_START) { + + if (!is_pci_memory(addr)) { __raw_writel(value, p); return; } @@ -158,7 +165,7 @@ static inline unsigned char __indirect_readb(const volatile void __iomem *p) u32 addr = (u32)p; u32 n, byte_enables, data; - if (addr >= VMALLOC_START) + if (!is_pci_memory(addr)) return __raw_readb(addr); n = addr % 4; @@ -181,7 +188,7 @@ static inline unsigned short __indirect_readw(const volatile void __iomem *p) u32 addr = (u32)p; u32 n, byte_enables, data; - if (addr >= VMALLOC_START) + if (!is_pci_memory(addr)) return __raw_readw(addr); n = addr % 4; @@ -204,7 +211,7 @@ static inline unsigned long __indirect_readl(const volatile void __iomem *p) u32 addr = (__force u32)p; u32 data; - if (addr >= VMALLOC_START) + if (!is_pci_memory(addr)) return __raw_readl(p); if (ixp4xx_pci_read(addr, NP_CMD_MEMREAD, &data)) |