X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-arm%2Farch-ixp4xx%2Fio.h;h=b59520e56fc7fee72bc8262a08c9af2d8d690985;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=c27b9d3079a702a3fb8bd1b1f85ae857cf42c2e1;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git diff --git a/include/asm-arm/arch-ixp4xx/io.h b/include/asm-arm/arch-ixp4xx/io.h index c27b9d307..b59520e56 100644 --- a/include/asm-arm/arch-ixp4xx/io.h +++ b/include/asm-arm/arch-ixp4xx/io.h @@ -3,7 +3,7 @@ * * Author: Deepak Saxena * - * Copyright (C) 2002-2004 MontaVista Software, Inc. + * Copyright (C) 2002-2005 MontaVista Software, Inc. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -59,11 +59,10 @@ extern int ixp4xx_pci_write(u32 addr, u32 cmd, u32 data); * fallback to the default. */ static inline void __iomem * -__ixp4xx_ioremap(unsigned long addr, size_t size, unsigned long flags, unsigned long align) +__ixp4xx_ioremap(unsigned long addr, size_t size, unsigned long flags) { - extern void __iomem * __ioremap(unsigned long, size_t, unsigned long, unsigned long); if((addr < 0x48000000) || (addr > 0x4fffffff)) - return __ioremap(addr, size, flags, align); + return __ioremap(addr, size, flags); return (void *)addr; } @@ -71,18 +70,16 @@ __ixp4xx_ioremap(unsigned long addr, size_t size, unsigned long flags, unsigned static inline void __ixp4xx_iounmap(void __iomem *addr) { - extern void __iounmap(void __iomem *addr); - if ((u32)addr >= VMALLOC_START) __iounmap(addr); } -#define __arch_ioremap(a, s, f, x) __ixp4xx_ioremap(a, s, f, x) +#define __arch_ioremap(a, s, f) __ixp4xx_ioremap(a, s, f) #define __arch_iounmap(a) __ixp4xx_iounmap(a) -#define writeb(p, v) __ixp4xx_writeb(p, v) -#define writew(p, v) __ixp4xx_writew(p, v) -#define writel(p, v) __ixp4xx_writel(p, v) +#define writeb(v, p) __ixp4xx_writeb(v, p) +#define writew(v, p) __ixp4xx_writew(v, p) +#define writel(v, p) __ixp4xx_writel(v, p) #define writesb(p, v, l) __ixp4xx_writesb(p, v, l) #define writesw(p, v, l) __ixp4xx_writesw(p, v, l) @@ -97,8 +94,9 @@ __ixp4xx_iounmap(void __iomem *addr) #define readsl(p, v, l) __ixp4xx_readsl(p, v, l) static inline void -__ixp4xx_writeb(u8 value, u32 addr) +__ixp4xx_writeb(u8 value, volatile void __iomem *p) { + u32 addr = (u32)p; u32 n, byte_enables, data; if (addr >= VMALLOC_START) { @@ -113,15 +111,16 @@ __ixp4xx_writeb(u8 value, u32 addr) } static inline void -__ixp4xx_writesb(u32 bus_addr, u8 *vaddr, int count) +__ixp4xx_writesb(volatile void __iomem *bus_addr, const u8 *vaddr, int count) { while (count--) writeb(*vaddr++, bus_addr); } static inline void -__ixp4xx_writew(u16 value, u32 addr) +__ixp4xx_writew(u16 value, volatile void __iomem *p) { + u32 addr = (u32)p; u32 n, byte_enables, data; if (addr >= VMALLOC_START) { @@ -136,15 +135,16 @@ __ixp4xx_writew(u16 value, u32 addr) } static inline void -__ixp4xx_writesw(u32 bus_addr, u16 *vaddr, int count) +__ixp4xx_writesw(volatile void __iomem *bus_addr, const u16 *vaddr, int count) { while (count--) writew(*vaddr++, bus_addr); } static inline void -__ixp4xx_writel(u32 value, u32 addr) +__ixp4xx_writel(u32 value, volatile void __iomem *p) { + u32 addr = (u32)p; if (addr >= VMALLOC_START) { __raw_writel(value, addr); return; @@ -154,15 +154,16 @@ __ixp4xx_writel(u32 value, u32 addr) } static inline void -__ixp4xx_writesl(u32 bus_addr, u32 *vaddr, int count) +__ixp4xx_writesl(volatile void __iomem *bus_addr, const u32 *vaddr, int count) { while (count--) writel(*vaddr++, bus_addr); } static inline unsigned char -__ixp4xx_readb(u32 addr) +__ixp4xx_readb(const volatile void __iomem *p) { + u32 addr = (u32)p; u32 n, byte_enables, data; if (addr >= VMALLOC_START) @@ -177,15 +178,16 @@ __ixp4xx_readb(u32 addr) } static inline void -__ixp4xx_readsb(u32 bus_addr, u8 *vaddr, u32 count) +__ixp4xx_readsb(const volatile void __iomem *bus_addr, u8 *vaddr, u32 count) { while (count--) *vaddr++ = readb(bus_addr); } static inline unsigned short -__ixp4xx_readw(u32 addr) +__ixp4xx_readw(const volatile void __iomem *p) { + u32 addr = (u32)p; u32 n, byte_enables, data; if (addr >= VMALLOC_START) @@ -200,15 +202,16 @@ __ixp4xx_readw(u32 addr) } static inline void -__ixp4xx_readsw(u32 bus_addr, u16 *vaddr, u32 count) +__ixp4xx_readsw(const volatile void __iomem *bus_addr, u16 *vaddr, u32 count) { while (count--) *vaddr++ = readw(bus_addr); } static inline unsigned long -__ixp4xx_readl(u32 addr) +__ixp4xx_readl(const volatile void __iomem *p) { + u32 addr = (u32)p; u32 data; if (addr >= VMALLOC_START) @@ -221,7 +224,7 @@ __ixp4xx_readl(u32 addr) } static inline void -__ixp4xx_readsl(u32 bus_addr, u32 *vaddr, u32 count) +__ixp4xx_readsl(const volatile void __iomem *bus_addr, u32 *vaddr, u32 count) { while (count--) *vaddr++ = readl(bus_addr); @@ -239,7 +242,7 @@ __ixp4xx_readsl(u32 bus_addr, u32 *vaddr, u32 count) eth_copy_and_sum((s),__mem_pci(c),(l),(b)) static inline int -check_signature(unsigned long bus_addr, const unsigned char *signature, +check_signature(const unsigned char __iomem *bus_addr, const unsigned char *signature, int length) { int retval = 0; @@ -257,6 +260,12 @@ out: #endif +#ifndef CONFIG_PCI + +#define __io(v) v + +#else + /* * IXP4xx does not have a transparent cpu -> PCI I/O translation * window. Instead, it has a set of registers that must be tweaked @@ -383,6 +392,199 @@ __ixp4xx_insl(u32 io_addr, u32 *vaddr, u32 count) *vaddr++ = inl(io_addr); } +#define PIO_OFFSET 0x10000UL +#define PIO_MASK 0x0ffffUL + +#define __is_io_address(p) (((unsigned long)p >= PIO_OFFSET) && \ + ((unsigned long)p <= (PIO_MASK + PIO_OFFSET))) +static inline unsigned int +__ixp4xx_ioread8(const void __iomem *addr) +{ + unsigned long port = (unsigned long __force)addr; + if (__is_io_address(port)) + return (unsigned int)__ixp4xx_inb(port & PIO_MASK); + else +#ifndef CONFIG_IXP4XX_INDIRECT_PCI + return (unsigned int)__raw_readb(port); +#else + return (unsigned int)__ixp4xx_readb(addr); +#endif +} + +static inline void +__ixp4xx_ioread8_rep(const void __iomem *addr, void *vaddr, u32 count) +{ + unsigned long port = (unsigned long __force)addr; + if (__is_io_address(port)) + __ixp4xx_insb(port & PIO_MASK, vaddr, count); + else +#ifndef CONFIG_IXP4XX_INDIRECT_PCI + __raw_readsb(addr, vaddr, count); +#else + __ixp4xx_readsb(addr, vaddr, count); +#endif +} + +static inline unsigned int +__ixp4xx_ioread16(const void __iomem *addr) +{ + unsigned long port = (unsigned long __force)addr; + if (__is_io_address(port)) + return (unsigned int)__ixp4xx_inw(port & PIO_MASK); + else +#ifndef CONFIG_IXP4XX_INDIRECT_PCI + return le16_to_cpu(__raw_readw((u32)port)); +#else + return (unsigned int)__ixp4xx_readw(addr); +#endif +} + +static inline void +__ixp4xx_ioread16_rep(const void __iomem *addr, void *vaddr, u32 count) +{ + unsigned long port = (unsigned long __force)addr; + if (__is_io_address(port)) + __ixp4xx_insw(port & PIO_MASK, vaddr, count); + else +#ifndef CONFIG_IXP4XX_INDIRECT_PCI + __raw_readsw(addr, vaddr, count); +#else + __ixp4xx_readsw(addr, vaddr, count); +#endif +} + +static inline unsigned int +__ixp4xx_ioread32(const void __iomem *addr) +{ + unsigned long port = (unsigned long __force)addr; + if (__is_io_address(port)) + return (unsigned int)__ixp4xx_inl(port & PIO_MASK); + else { +#ifndef CONFIG_IXP4XX_INDIRECT_PCI + return le32_to_cpu(__raw_readl((u32)port)); +#else + return (unsigned int)__ixp4xx_readl(addr); +#endif + } +} + +static inline void +__ixp4xx_ioread32_rep(const void __iomem *addr, void *vaddr, u32 count) +{ + unsigned long port = (unsigned long __force)addr; + if (__is_io_address(port)) + __ixp4xx_insl(port & PIO_MASK, vaddr, count); + else +#ifndef CONFIG_IXP4XX_INDIRECT_PCI + __raw_readsl(addr, vaddr, count); +#else + __ixp4xx_readsl(addr, vaddr, count); +#endif +} + +static inline void +__ixp4xx_iowrite8(u8 value, void __iomem *addr) +{ + unsigned long port = (unsigned long __force)addr; + if (__is_io_address(port)) + __ixp4xx_outb(value, port & PIO_MASK); + else +#ifndef CONFIG_IXP4XX_INDIRECT_PCI + __raw_writeb(value, port); +#else + __ixp4xx_writeb(value, addr); +#endif +} + +static inline void +__ixp4xx_iowrite8_rep(void __iomem *addr, const void *vaddr, u32 count) +{ + unsigned long port = (unsigned long __force)addr; + if (__is_io_address(port)) + __ixp4xx_outsb(port & PIO_MASK, vaddr, count); + else +#ifndef CONFIG_IXP4XX_INDIRECT_PCI + __raw_writesb(addr, vaddr, count); +#else + __ixp4xx_writesb(addr, vaddr, count); +#endif +} + +static inline void +__ixp4xx_iowrite16(u16 value, void __iomem *addr) +{ + unsigned long port = (unsigned long __force)addr; + if (__is_io_address(port)) + __ixp4xx_outw(value, port & PIO_MASK); + else +#ifndef CONFIG_IXP4XX_INDIRECT_PCI + __raw_writew(cpu_to_le16(value), addr); +#else + __ixp4xx_writew(value, addr); +#endif +} + +static inline void +__ixp4xx_iowrite16_rep(void __iomem *addr, const void *vaddr, u32 count) +{ + unsigned long port = (unsigned long __force)addr; + if (__is_io_address(port)) + __ixp4xx_outsw(port & PIO_MASK, vaddr, count); + else +#ifndef CONFIG_IXP4XX_INDIRECT_PCI + __raw_writesw(addr, vaddr, count); +#else + __ixp4xx_writesw(addr, vaddr, count); +#endif +} + +static inline void +__ixp4xx_iowrite32(u32 value, void __iomem *addr) +{ + unsigned long port = (unsigned long __force)addr; + if (__is_io_address(port)) + __ixp4xx_outl(value, port & PIO_MASK); + else +#ifndef CONFIG_IXP4XX_INDIRECT_PCI + __raw_writel(cpu_to_le32(value), port); +#else + __ixp4xx_writel(value, addr); +#endif +} + +static inline void +__ixp4xx_iowrite32_rep(void __iomem *addr, const void *vaddr, u32 count) +{ + unsigned long port = (unsigned long __force)addr; + if (__is_io_address(port)) + __ixp4xx_outsl(port & PIO_MASK, vaddr, count); + else +#ifndef CONFIG_IXP4XX_INDIRECT_PCI + __raw_writesl(addr, vaddr, count); +#else + __ixp4xx_writesl(addr, vaddr, count); +#endif +} + +#define ioread8(p) __ixp4xx_ioread8(p) +#define ioread16(p) __ixp4xx_ioread16(p) +#define ioread32(p) __ixp4xx_ioread32(p) + +#define ioread8_rep(p, v, c) __ixp4xx_ioread8_rep(p, v, c) +#define ioread16_rep(p, v, c) __ixp4xx_ioread16_rep(p, v, c) +#define ioread32_rep(p, v, c) __ixp4xx_ioread32_rep(p, v, c) + +#define iowrite8(v,p) __ixp4xx_iowrite8(v,p) +#define iowrite16(v,p) __ixp4xx_iowrite16(v,p) +#define iowrite32(v,p) __ixp4xx_iowrite32(v,p) + +#define iowrite8_rep(p, v, c) __ixp4xx_iowrite8_rep(p, v, c) +#define iowrite16_rep(p, v, c) __ixp4xx_iowrite16_rep(p, v, c) +#define iowrite32_rep(p, v, c) __ixp4xx_iowrite32_rep(p, v, c) + +#define ioport_map(port, nr) ((void __iomem*)(port + PIO_OFFSET)) +#define ioport_unmap(addr) +#endif // !CONFIG_PCI #endif // __ASM_ARM_ARCH_IO_H