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-rw-r--r--include/asm-sh64/io.h250
1 files changed, 0 insertions, 250 deletions
diff --git a/include/asm-sh64/io.h b/include/asm-sh64/io.h
deleted file mode 100644
index dee4f77929a..00000000000
--- a/include/asm-sh64/io.h
+++ /dev/null
@@ -1,250 +0,0 @@
-#ifndef __ASM_SH64_IO_H
-#define __ASM_SH64_IO_H
-
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * include/asm-sh64/io.h
- *
- * Copyright (C) 2000, 2001 Paolo Alberelli
- * Copyright (C) 2003 Paul Mundt
- *
- */
-
-/*
- * Convention:
- * read{b,w,l}/write{b,w,l} are for PCI,
- * while in{b,w,l}/out{b,w,l} are for ISA
- * These may (will) be platform specific function.
- *
- * In addition, we have
- * ctrl_in{b,w,l}/ctrl_out{b,w,l} for SuperH specific I/O.
- * which are processor specific. Address should be the result of
- * onchip_remap();
- */
-
-#include <linux/compiler.h>
-#include <asm/cache.h>
-#include <asm/system.h>
-#include <asm/page.h>
-#include <asm-generic/iomap.h>
-
-#define virt_to_bus virt_to_phys
-#define bus_to_virt phys_to_virt
-#define page_to_bus page_to_phys
-
-/*
- * Nothing overly special here.. instead of doing the same thing
- * over and over again, we just define a set of sh64_in/out functions
- * with an implicit size. The traditional read{b,w,l}/write{b,w,l}
- * mess is wrapped to this, as are the SH-specific ctrl_in/out routines.
- */
-static inline unsigned char sh64_in8(const volatile void __iomem *addr)
-{
- return *(volatile unsigned char __force *)addr;
-}
-
-static inline unsigned short sh64_in16(const volatile void __iomem *addr)
-{
- return *(volatile unsigned short __force *)addr;
-}
-
-static inline unsigned int sh64_in32(const volatile void __iomem *addr)
-{
- return *(volatile unsigned int __force *)addr;
-}
-
-static inline unsigned long long sh64_in64(const volatile void __iomem *addr)
-{
- return *(volatile unsigned long long __force *)addr;
-}
-
-static inline void sh64_out8(unsigned char b, volatile void __iomem *addr)
-{
- *(volatile unsigned char __force *)addr = b;
- wmb();
-}
-
-static inline void sh64_out16(unsigned short b, volatile void __iomem *addr)
-{
- *(volatile unsigned short __force *)addr = b;
- wmb();
-}
-
-static inline void sh64_out32(unsigned int b, volatile void __iomem *addr)
-{
- *(volatile unsigned int __force *)addr = b;
- wmb();
-}
-
-static inline void sh64_out64(unsigned long long b, volatile void __iomem *addr)
-{
- *(volatile unsigned long long __force *)addr = b;
- wmb();
-}
-
-#define readb(addr) sh64_in8(addr)
-#define readw(addr) sh64_in16(addr)
-#define readl(addr) sh64_in32(addr)
-#define readb_relaxed(addr) sh64_in8(addr)
-#define readw_relaxed(addr) sh64_in16(addr)
-#define readl_relaxed(addr) sh64_in32(addr)
-
-#define writeb(b, addr) sh64_out8(b, addr)
-#define writew(b, addr) sh64_out16(b, addr)
-#define writel(b, addr) sh64_out32(b, addr)
-
-#define ctrl_inb(addr) sh64_in8(ioport_map(addr, 1))
-#define ctrl_inw(addr) sh64_in16(ioport_map(addr, 2))
-#define ctrl_inl(addr) sh64_in32(ioport_map(addr, 4))
-
-#define ctrl_outb(b, addr) sh64_out8(b, ioport_map(addr, 1))
-#define ctrl_outw(b, addr) sh64_out16(b, ioport_map(addr, 2))
-#define ctrl_outl(b, addr) sh64_out32(b, ioport_map(addr, 4))
-
-#define ioread8(addr) sh64_in8(addr)
-#define ioread16(addr) sh64_in16(addr)
-#define ioread32(addr) sh64_in32(addr)
-#define iowrite8(b, addr) sh64_out8(b, addr)
-#define iowrite16(b, addr) sh64_out16(b, addr)
-#define iowrite32(b, addr) sh64_out32(b, addr)
-
-#define inb(addr) ctrl_inb(addr)
-#define inw(addr) ctrl_inw(addr)
-#define inl(addr) ctrl_inl(addr)
-#define outb(b, addr) ctrl_outb(b, addr)
-#define outw(b, addr) ctrl_outw(b, addr)
-#define outl(b, addr) ctrl_outl(b, addr)
-
-void outsw(unsigned long port, const void *addr, unsigned long count);
-void insw(unsigned long port, void *addr, unsigned long count);
-void outsl(unsigned long port, const void *addr, unsigned long count);
-void insl(unsigned long port, void *addr, unsigned long count);
-
-void memcpy_toio(void __iomem *to, const void *from, long count);
-void memcpy_fromio(void *to, void __iomem *from, long count);
-
-#define mmiowb()
-
-#ifdef __KERNEL__
-
-#ifdef CONFIG_SH_CAYMAN
-extern unsigned long smsc_superio_virt;
-#endif
-#ifdef CONFIG_PCI
-extern unsigned long pciio_virt;
-#endif
-
-#define IO_SPACE_LIMIT 0xffffffff
-
-/*
- * Change virtual addresses to physical addresses and vv.
- * These are trivial on the 1:1 Linux/SuperH mapping
- */
-static inline unsigned long virt_to_phys(volatile void * address)
-{
- return __pa(address);
-}
-
-static inline void * phys_to_virt(unsigned long address)
-{
- return __va(address);
-}
-
-extern void * __ioremap(unsigned long phys_addr, unsigned long size,
- unsigned long flags);
-
-static inline void * ioremap(unsigned long phys_addr, unsigned long size)
-{
- return __ioremap(phys_addr, size, 1);
-}
-
-static inline void * ioremap_nocache (unsigned long phys_addr, unsigned long size)
-{
- return __ioremap(phys_addr, size, 0);
-}
-
-extern void iounmap(void *addr);
-
-unsigned long onchip_remap(unsigned long addr, unsigned long size, const char* name);
-extern void onchip_unmap(unsigned long vaddr);
-
-static __inline__ int check_signature(volatile void __iomem *io_addr,
- const unsigned char *signature, int length)
-{
- int retval = 0;
- do {
- if (readb(io_addr) != *signature)
- goto out;
- io_addr++;
- signature++;
- length--;
- } while (length);
- retval = 1;
-out:
- return retval;
-}
-
-/*
- * The caches on some architectures aren't dma-coherent and have need to
- * handle this in software. There are three types of operations that
- * can be applied to dma buffers.
- *
- * - dma_cache_wback_inv(start, size) makes caches and RAM coherent by
- * writing the content of the caches back to memory, if necessary.
- * The function also invalidates the affected part of the caches as
- * necessary before DMA transfers from outside to memory.
- * - dma_cache_inv(start, size) invalidates the affected parts of the
- * caches. Dirty lines of the caches may be written back or simply
- * be discarded. This operation is necessary before dma operations
- * to the memory.
- * - dma_cache_wback(start, size) writes back any dirty lines but does
- * not invalidate the cache. This can be used before DMA reads from
- * memory,
- */
-
-static __inline__ void dma_cache_wback_inv (unsigned long start, unsigned long size)
-{
- unsigned long s = start & L1_CACHE_ALIGN_MASK;
- unsigned long e = (start + size) & L1_CACHE_ALIGN_MASK;
-
- for (; s <= e; s += L1_CACHE_BYTES)
- asm volatile ("ocbp %0, 0" : : "r" (s));
-}
-
-static __inline__ void dma_cache_inv (unsigned long start, unsigned long size)
-{
- // Note that caller has to be careful with overzealous
- // invalidation should there be partial cache lines at the extremities
- // of the specified range
- unsigned long s = start & L1_CACHE_ALIGN_MASK;
- unsigned long e = (start + size) & L1_CACHE_ALIGN_MASK;
-
- for (; s <= e; s += L1_CACHE_BYTES)
- asm volatile ("ocbi %0, 0" : : "r" (s));
-}
-
-static __inline__ void dma_cache_wback (unsigned long start, unsigned long size)
-{
- unsigned long s = start & L1_CACHE_ALIGN_MASK;
- unsigned long e = (start + size) & L1_CACHE_ALIGN_MASK;
-
- for (; s <= e; s += L1_CACHE_BYTES)
- asm volatile ("ocbwb %0, 0" : : "r" (s));
-}
-
-/*
- * 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 /* __KERNEL__ */
-#endif /* __ASM_SH64_IO_H */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-05 22:31:42 +0000