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Diffstat (limited to 'arch/m68k/include/asm/io_mm.h')
-rw-r--r--arch/m68k/include/asm/io_mm.h173
1 files changed, 29 insertions, 144 deletions
diff --git a/arch/m68k/include/asm/io_mm.h b/arch/m68k/include/asm/io_mm.h
index ffdf54f44bc6..090aec54b8fa 100644
--- a/arch/m68k/include/asm/io_mm.h
+++ b/arch/m68k/include/asm/io_mm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* linux/include/asm-m68k/io.h
*
@@ -15,19 +16,22 @@
* isa_readX(),isa_writeX() are for ISA memory
*/
-#ifndef _IO_H
-#define _IO_H
+#ifndef _M68K_IO_MM_H
+#define _M68K_IO_MM_H
#ifdef __KERNEL__
#include <linux/compiler.h>
#include <asm/raw_io.h>
#include <asm/virtconvert.h>
-
-#include <asm-generic/iomap.h>
+#include <asm/kmap.h>
#ifdef CONFIG_ATARI
-#include <asm/atarihw.h>
+#define atari_readb raw_inb
+#define atari_writeb raw_outb
+
+#define atari_inb_p raw_inb
+#define atari_outb_p raw_outb
#endif
@@ -82,53 +86,7 @@
#endif /* ATARI_ROM_ISA */
-#if defined(CONFIG_PCI) && defined(CONFIG_COLDFIRE)
-
-#define HAVE_ARCH_PIO_SIZE
-#define PIO_OFFSET 0
-#define PIO_MASK 0xffff
-#define PIO_RESERVED 0x10000
-
-u8 mcf_pci_inb(u32 addr);
-u16 mcf_pci_inw(u32 addr);
-u32 mcf_pci_inl(u32 addr);
-void mcf_pci_insb(u32 addr, u8 *buf, u32 len);
-void mcf_pci_insw(u32 addr, u16 *buf, u32 len);
-void mcf_pci_insl(u32 addr, u32 *buf, u32 len);
-
-void mcf_pci_outb(u8 v, u32 addr);
-void mcf_pci_outw(u16 v, u32 addr);
-void mcf_pci_outl(u32 v, u32 addr);
-void mcf_pci_outsb(u32 addr, const u8 *buf, u32 len);
-void mcf_pci_outsw(u32 addr, const u16 *buf, u32 len);
-void mcf_pci_outsl(u32 addr, const u32 *buf, u32 len);
-
-#define inb mcf_pci_inb
-#define inb_p mcf_pci_inb
-#define inw mcf_pci_inw
-#define inw_p mcf_pci_inw
-#define inl mcf_pci_inl
-#define inl_p mcf_pci_inl
-#define insb mcf_pci_insb
-#define insw mcf_pci_insw
-#define insl mcf_pci_insl
-
-#define outb mcf_pci_outb
-#define outb_p mcf_pci_outb
-#define outw mcf_pci_outw
-#define outw_p mcf_pci_outw
-#define outl mcf_pci_outl
-#define outl_p mcf_pci_outl
-#define outsb mcf_pci_outsb
-#define outsw mcf_pci_outsw
-#define outsl mcf_pci_outsl
-
-#define readb(addr) in_8(addr)
-#define writeb(v, addr) out_8((addr), (v))
-#define readw(addr) in_le16(addr)
-#define writew(v, addr) out_le16((addr), (v))
-
-#elif defined(CONFIG_ISA) || defined(CONFIG_ATARI_ROM_ISA)
+#if defined(CONFIG_ISA) || defined(CONFIG_ATARI_ROM_ISA)
#if MULTI_ISA == 0
#undef MULTI_ISA
@@ -314,20 +272,20 @@ static inline void isa_delay(void)
#define isa_outsb(port, buf, nr) raw_outsb(isa_itb(port), (u8 *)(buf), (nr))
#define isa_insw(port, buf, nr) \
- (ISA_SEX ? raw_insw(isa_itw(port), (u16 *)(buf), (nr)) : \
- raw_insw_swapw(isa_itw(port), (u16 *)(buf), (nr)))
+ (ISA_SEX ? raw_insw(isa_itw(port), (u16 *)(buf), (nr)) : \
+ raw_insw_swapw(isa_itw(port), (u16 *)(buf), (nr)))
#define isa_outsw(port, buf, nr) \
- (ISA_SEX ? raw_outsw(isa_itw(port), (u16 *)(buf), (nr)) : \
- raw_outsw_swapw(isa_itw(port), (u16 *)(buf), (nr)))
+ (ISA_SEX ? raw_outsw(isa_itw(port), (u16 *)(buf), (nr)) : \
+ raw_outsw_swapw(isa_itw(port), (u16 *)(buf), (nr)))
#define isa_insl(port, buf, nr) \
- (ISA_SEX ? raw_insl(isa_itl(port), (u32 *)(buf), (nr)) : \
- raw_insw_swapw(isa_itw(port), (u16 *)(buf), (nr)<<1))
+ (ISA_SEX ? raw_insl(isa_itl(port), (u32 *)(buf), (nr)) : \
+ raw_insw_swapw(isa_itw(port), (u16 *)(buf), (nr)<<1))
#define isa_outsl(port, buf, nr) \
- (ISA_SEX ? raw_outsl(isa_itl(port), (u32 *)(buf), (nr)) : \
- raw_outsw_swapw(isa_itw(port), (u16 *)(buf), (nr)<<1))
+ (ISA_SEX ? raw_outsl(isa_itl(port), (u32 *)(buf), (nr)) : \
+ raw_outsw_swapw(isa_itw(port), (u16 *)(buf), (nr)<<1))
#ifdef CONFIG_ATARI_ROM_ISA
@@ -339,14 +297,14 @@ static inline void isa_delay(void)
#define isa_rom_insb(port, buf, nr) raw_rom_insb(isa_itb(port), (u8 *)(buf), (nr))
#define isa_rom_insw(port, buf, nr) \
- (ISA_SEX ? raw_rom_insw(isa_itw(port), (u16 *)(buf), (nr)) : \
- raw_rom_insw_swapw(isa_itw(port), (u16 *)(buf), (nr)))
+ (ISA_SEX ? raw_rom_insw(isa_itw(port), (u16 *)(buf), (nr)) : \
+ raw_rom_insw_swapw(isa_itw(port), (u16 *)(buf), (nr)))
#define isa_rom_outsb(port, buf, nr) raw_rom_outsb(isa_itb(port), (u8 *)(buf), (nr))
#define isa_rom_outsw(port, buf, nr) \
- (ISA_SEX ? raw_rom_outsw(isa_itw(port), (u16 *)(buf), (nr)) : \
- raw_rom_outsw_swapw(isa_itw(port), (u16 *)(buf), (nr)))
+ (ISA_SEX ? raw_rom_outsw(isa_itw(port), (u16 *)(buf), (nr)) : \
+ raw_rom_outsw_swapw(isa_itw(port), (u16 *)(buf), (nr)))
#endif /* CONFIG_ATARI_ROM_ISA */
#endif /* CONFIG_ISA || CONFIG_ATARI_ROM_ISA */
@@ -411,40 +369,6 @@ static inline void isa_delay(void)
#define writew(val, addr) out_le16((addr), (val))
#endif /* CONFIG_ATARI_ROM_ISA */
-#if !defined(CONFIG_ISA) && !defined(CONFIG_ATARI_ROM_ISA)
-/*
- * We need to define dummy functions for GENERIC_IOMAP support.
- */
-#define inb(port) 0xff
-#define inb_p(port) 0xff
-#define outb(val,port) ((void)0)
-#define outb_p(val,port) ((void)0)
-#define inw(port) 0xffff
-#define inw_p(port) 0xffff
-#define outw(val,port) ((void)0)
-#define outw_p(val,port) ((void)0)
-#define inl(port) 0xffffffffUL
-#define inl_p(port) 0xffffffffUL
-#define outl(val,port) ((void)0)
-#define outl_p(val,port) ((void)0)
-
-#define insb(port,buf,nr) ((void)0)
-#define outsb(port,buf,nr) ((void)0)
-#define insw(port,buf,nr) ((void)0)
-#define outsw(port,buf,nr) ((void)0)
-#define insl(port,buf,nr) ((void)0)
-#define outsl(port,buf,nr) ((void)0)
-
-/*
- * These should be valid on any ioremap()ed region
- */
-#define readb(addr) in_8(addr)
-#define writeb(val,addr) out_8((addr),(val))
-#define readw(addr) in_le16(addr)
-#define writew(val,addr) out_le16((addr),(val))
-
-#endif /* !CONFIG_ISA && !CONFIG_ATARI_ROM_ISA */
-
#define readl(addr) in_le32(addr)
#define writel(val,addr) out_le32((addr),(val))
@@ -455,40 +379,6 @@ static inline void isa_delay(void)
#define writesw(port, buf, nr) raw_outsw((port), (u16 *)(buf), (nr))
#define writesl(port, buf, nr) raw_outsl((port), (u32 *)(buf), (nr))
-#define mmiowb()
-
-static inline void __iomem *ioremap(unsigned long physaddr, unsigned long size)
-{
- return __ioremap(physaddr, size, IOMAP_NOCACHE_SER);
-}
-static inline void __iomem *ioremap_nocache(unsigned long physaddr, unsigned long size)
-{
- return __ioremap(physaddr, size, IOMAP_NOCACHE_SER);
-}
-static inline void __iomem *ioremap_writethrough(unsigned long physaddr,
- unsigned long size)
-{
- return __ioremap(physaddr, size, IOMAP_WRITETHROUGH);
-}
-static inline void __iomem *ioremap_fullcache(unsigned long physaddr,
- unsigned long size)
-{
- return __ioremap(physaddr, size, IOMAP_FULL_CACHING);
-}
-
-static inline void memset_io(volatile void __iomem *addr, unsigned char val, int count)
-{
- __builtin_memset((void __force *) addr, val, count);
-}
-static inline void memcpy_fromio(void *dst, const volatile void __iomem *src, int count)
-{
- __builtin_memcpy(dst, (void __force *) src, count);
-}
-static inline void memcpy_toio(volatile void __iomem *dst, const void *src, int count)
-{
- __builtin_memcpy((void __force *) dst, src, count);
-}
-
#ifndef CONFIG_SUN3
#define IO_SPACE_LIMIT 0xffff
#else
@@ -499,17 +389,12 @@ static inline void memcpy_toio(volatile void __iomem *dst, const void *src, int
#define __ARCH_HAS_NO_PAGE_ZERO_MAPPED 1
-/*
- * 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
+#define readb_relaxed(addr) readb(addr)
+#define readw_relaxed(addr) readw(addr)
+#define readl_relaxed(addr) readl(addr)
-#define ioport_map(port, nr) ((void __iomem *)(port))
+#define writeb_relaxed(b, addr) writeb(b, addr)
+#define writew_relaxed(b, addr) writew(b, addr)
+#define writel_relaxed(b, addr) writel(b, addr)
-#endif /* _IO_H */
+#endif /* _M68K_IO_MM_H */
generated by cgit (git 2.34.1) at 2025-12-25 09:52:24 +0000