summaryrefslogtreecommitdiffstats
path: root/include/asm-parisc/io.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-parisc/io.h')
-rw-r--r--include/asm-parisc/io.h293
1 files changed, 0 insertions, 293 deletions
diff --git a/include/asm-parisc/io.h b/include/asm-parisc/io.h
deleted file mode 100644
index 55ddb18..0000000
--- a/include/asm-parisc/io.h
+++ /dev/null
@@ -1,293 +0,0 @@
-#ifndef _ASM_IO_H
-#define _ASM_IO_H
-
-#include <linux/types.h>
-#include <asm/pgtable.h>
-
-extern unsigned long parisc_vmerge_boundary;
-extern unsigned long parisc_vmerge_max_size;
-
-#define BIO_VMERGE_BOUNDARY parisc_vmerge_boundary
-#define BIO_VMERGE_MAX_SIZE parisc_vmerge_max_size
-
-#define virt_to_phys(a) ((unsigned long)__pa(a))
-#define phys_to_virt(a) __va(a)
-#define virt_to_bus virt_to_phys
-#define bus_to_virt phys_to_virt
-
-static inline unsigned long isa_bus_to_virt(unsigned long addr) {
- BUG();
- return 0;
-}
-
-static inline unsigned long isa_virt_to_bus(void *addr) {
- BUG();
- return 0;
-}
-
-/*
- * Memory mapped I/O
- *
- * readX()/writeX() do byteswapping and take an ioremapped address
- * __raw_readX()/__raw_writeX() don't byteswap and take an ioremapped address.
- * gsc_*() don't byteswap and operate on physical addresses;
- * eg dev->hpa or 0xfee00000.
- */
-
-static inline unsigned char gsc_readb(unsigned long addr)
-{
- long flags;
- unsigned char ret;
-
- __asm__ __volatile__(
- " rsm 2,%0\n"
- " ldbx 0(%2),%1\n"
- " mtsm %0\n"
- : "=&r" (flags), "=r" (ret) : "r" (addr) );
-
- return ret;
-}
-
-static inline unsigned short gsc_readw(unsigned long addr)
-{
- long flags;
- unsigned short ret;
-
- __asm__ __volatile__(
- " rsm 2,%0\n"
- " ldhx 0(%2),%1\n"
- " mtsm %0\n"
- : "=&r" (flags), "=r" (ret) : "r" (addr) );
-
- return ret;
-}
-
-static inline unsigned int gsc_readl(unsigned long addr)
-{
- u32 ret;
-
- __asm__ __volatile__(
- " ldwax 0(%1),%0\n"
- : "=r" (ret) : "r" (addr) );
-
- return ret;
-}
-
-static inline unsigned long long gsc_readq(unsigned long addr)
-{
- unsigned long long ret;
-
-#ifdef CONFIG_64BIT
- __asm__ __volatile__(
- " ldda 0(%1),%0\n"
- : "=r" (ret) : "r" (addr) );
-#else
- /* two reads may have side effects.. */
- ret = ((u64) gsc_readl(addr)) << 32;
- ret |= gsc_readl(addr+4);
-#endif
- return ret;
-}
-
-static inline void gsc_writeb(unsigned char val, unsigned long addr)
-{
- long flags;
- __asm__ __volatile__(
- " rsm 2,%0\n"
- " stbs %1,0(%2)\n"
- " mtsm %0\n"
- : "=&r" (flags) : "r" (val), "r" (addr) );
-}
-
-static inline void gsc_writew(unsigned short val, unsigned long addr)
-{
- long flags;
- __asm__ __volatile__(
- " rsm 2,%0\n"
- " sths %1,0(%2)\n"
- " mtsm %0\n"
- : "=&r" (flags) : "r" (val), "r" (addr) );
-}
-
-static inline void gsc_writel(unsigned int val, unsigned long addr)
-{
- __asm__ __volatile__(
- " stwas %0,0(%1)\n"
- : : "r" (val), "r" (addr) );
-}
-
-static inline void gsc_writeq(unsigned long long val, unsigned long addr)
-{
-#ifdef CONFIG_64BIT
- __asm__ __volatile__(
- " stda %0,0(%1)\n"
- : : "r" (val), "r" (addr) );
-#else
- /* two writes may have side effects.. */
- gsc_writel(val >> 32, addr);
- gsc_writel(val, addr+4);
-#endif
-}
-
-/*
- * The standard PCI ioremap interfaces
- */
-
-extern void __iomem * __ioremap(unsigned long offset, unsigned long size, unsigned long flags);
-
-/* Most machines react poorly to I/O-space being cacheable... Instead let's
- * define ioremap() in terms of ioremap_nocache().
- */
-static inline void __iomem * ioremap(unsigned long offset, unsigned long size)
-{
- return __ioremap(offset, size, _PAGE_NO_CACHE);
-}
-#define ioremap_nocache(off, sz) ioremap((off), (sz))
-
-extern void iounmap(const volatile void __iomem *addr);
-
-static inline unsigned char __raw_readb(const volatile void __iomem *addr)
-{
- return (*(volatile unsigned char __force *) (addr));
-}
-static inline unsigned short __raw_readw(const volatile void __iomem *addr)
-{
- return *(volatile unsigned short __force *) addr;
-}
-static inline unsigned int __raw_readl(const volatile void __iomem *addr)
-{
- return *(volatile unsigned int __force *) addr;
-}
-static inline unsigned long long __raw_readq(const volatile void __iomem *addr)
-{
- return *(volatile unsigned long long __force *) addr;
-}
-
-static inline void __raw_writeb(unsigned char b, volatile void __iomem *addr)
-{
- *(volatile unsigned char __force *) addr = b;
-}
-static inline void __raw_writew(unsigned short b, volatile void __iomem *addr)
-{
- *(volatile unsigned short __force *) addr = b;
-}
-static inline void __raw_writel(unsigned int b, volatile void __iomem *addr)
-{
- *(volatile unsigned int __force *) addr = b;
-}
-static inline void __raw_writeq(unsigned long long b, volatile void __iomem *addr)
-{
- *(volatile unsigned long long __force *) addr = b;
-}
-
-/* readb can never be const, so use __fswab instead of le*_to_cpu */
-#define readb(addr) __raw_readb(addr)
-#define readw(addr) __fswab16(__raw_readw(addr))
-#define readl(addr) __fswab32(__raw_readl(addr))
-#define readq(addr) __fswab64(__raw_readq(addr))
-#define writeb(b, addr) __raw_writeb(b, addr)
-#define writew(b, addr) __raw_writew(cpu_to_le16(b), addr)
-#define writel(b, addr) __raw_writel(cpu_to_le32(b), addr)
-#define writeq(b, addr) __raw_writeq(cpu_to_le64(b), addr)
-
-#define readb_relaxed(addr) readb(addr)
-#define readw_relaxed(addr) readw(addr)
-#define readl_relaxed(addr) readl(addr)
-#define readq_relaxed(addr) readq(addr)
-
-#define mmiowb() do { } while (0)
-
-void memset_io(volatile void __iomem *addr, unsigned char val, int count);
-void memcpy_fromio(void *dst, const volatile void __iomem *src, int count);
-void memcpy_toio(volatile void __iomem *dst, const void *src, int count);
-
-/* Port-space IO */
-
-#define inb_p inb
-#define inw_p inw
-#define inl_p inl
-#define outb_p outb
-#define outw_p outw
-#define outl_p outl
-
-extern unsigned char eisa_in8(unsigned short port);
-extern unsigned short eisa_in16(unsigned short port);
-extern unsigned int eisa_in32(unsigned short port);
-extern void eisa_out8(unsigned char data, unsigned short port);
-extern void eisa_out16(unsigned short data, unsigned short port);
-extern void eisa_out32(unsigned int data, unsigned short port);
-
-#if defined(CONFIG_PCI)
-extern unsigned char inb(int addr);
-extern unsigned short inw(int addr);
-extern unsigned int inl(int addr);
-
-extern void outb(unsigned char b, int addr);
-extern void outw(unsigned short b, int addr);
-extern void outl(unsigned int b, int addr);
-#elif defined(CONFIG_EISA)
-#define inb eisa_in8
-#define inw eisa_in16
-#define inl eisa_in32
-#define outb eisa_out8
-#define outw eisa_out16
-#define outl eisa_out32
-#else
-static inline char inb(unsigned long addr)
-{
- BUG();
- return -1;
-}
-
-static inline short inw(unsigned long addr)
-{
- BUG();
- return -1;
-}
-
-static inline int inl(unsigned long addr)
-{
- BUG();
- return -1;
-}
-
-#define outb(x, y) BUG()
-#define outw(x, y) BUG()
-#define outl(x, y) BUG()
-#endif
-
-/*
- * String versions of in/out ops:
- */
-extern void insb (unsigned long port, void *dst, unsigned long count);
-extern void insw (unsigned long port, void *dst, unsigned long count);
-extern void insl (unsigned long port, void *dst, unsigned long count);
-extern void outsb (unsigned long port, const void *src, unsigned long count);
-extern void outsw (unsigned long port, const void *src, unsigned long count);
-extern void outsl (unsigned long port, const void *src, unsigned long count);
-
-
-/* IO Port space is : BBiiii where BB is HBA number. */
-#define IO_SPACE_LIMIT 0x00ffffff
-
-/* PA machines have an MM I/O space from 0xf0000000-0xffffffff in 32
- * bit mode and from 0xfffffffff0000000-0xfffffffffffffff in 64 bit
- * mode (essentially just sign extending. This macro takes in a 32
- * bit I/O address (still with the leading f) and outputs the correct
- * value for either 32 or 64 bit mode */
-#define F_EXTEND(x) ((unsigned long)((x) | (0xffffffff00000000ULL)))
-
-#include <asm-generic/iomap.h>
-
-/*
- * Convert a physical pointer to a virtual kernel pointer for /dev/mem
- * access
- */
-#define xlate_dev_mem_ptr(p) __va(p)
-
-/*
- * Convert a virtual cached pointer to an uncached pointer
- */
-#define xlate_dev_kmem_ptr(p) p
-
-#endif
OpenPOWER on IntegriCloud