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mips: add <asm-generic/io.h> including
With the adding, some default ioremap_xx methods defined in asm-generic/io.h can be used. E.g the default ioremap_uc() returning NULL. We also massaged various headers to avoid nested includes. Signed-off-by: Baoquan He <bhe@redhat.com> Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com> [jiaxun.yang@flygoat.com: Massage more headers, fix ioport defines] Reviewed-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Huacai Chen <chenhuacai@kernel.org> Cc: linux-mips@vger.kernel.org Cc: linux-arch@vger.kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Jiaxun Yang
Arnd Bergmann
parent
b85ea95d08
commit
4bfb53e7d3
6 changed files with 75 additions and 35 deletions
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@ -13,7 +13,6 @@
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#define _ASM_IO_H
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#include <linux/compiler.h>
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/irqflags.h>
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@ -25,7 +24,6 @@
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#include <asm/cpu-features.h>
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#include <asm/page.h>
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#include <asm/pgtable-bits.h>
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#include <asm/processor.h>
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#include <asm/string.h>
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#include <mangle-port.h>
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@ -41,6 +39,11 @@
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# define __raw_ioswabq(a, x) (x)
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# define ____raw_ioswabq(a, x) (x)
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# define _ioswabb ioswabb
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# define _ioswabw ioswabw
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# define _ioswabl ioswabl
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# define _ioswabq ioswabq
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# define __relaxed_ioswabb ioswabb
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# define __relaxed_ioswabw ioswabw
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# define __relaxed_ioswabl ioswabl
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@ -126,6 +129,7 @@ static inline phys_addr_t virt_to_phys(const volatile void *x)
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* almost all conceivable cases a device driver should not be using
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* this function
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*/
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#define phys_to_virt phys_to_virt
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static inline void * phys_to_virt(unsigned long address)
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{
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return __va(address);
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@ -296,9 +300,9 @@ static inline type pfx##read##bwlq(const volatile void __iomem *mem) \
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return pfx##ioswab##bwlq(__mem, __val); \
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}
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#define __BUILD_IOPORT_SINGLE(pfx, bwlq, type, barrier, relax, p) \
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#define __BUILD_IOPORT_SINGLE(pfx, bwlq, type, barrier, relax) \
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\
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static inline void pfx##out##bwlq##p(type val, unsigned long port) \
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static inline void pfx##out##bwlq(type val, unsigned long port) \
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{ \
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volatile type *__addr; \
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type __val; \
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@ -318,7 +322,7 @@ static inline void pfx##out##bwlq##p(type val, unsigned long port) \
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*__addr = __val; \
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} \
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\
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static inline type pfx##in##bwlq##p(unsigned long port) \
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static inline type pfx##in##bwlq(unsigned long port) \
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{ \
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volatile type *__addr; \
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type __val; \
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@ -360,11 +364,10 @@ __BUILD_MEMORY_PFX(__mem_, q, u64, 0)
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#endif
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#define __BUILD_IOPORT_PFX(bus, bwlq, type) \
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__BUILD_IOPORT_SINGLE(bus, bwlq, type, 1, 0,) \
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__BUILD_IOPORT_SINGLE(bus, bwlq, type, 1, 0, _p)
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__BUILD_IOPORT_SINGLE(bus, bwlq, type, 1, 0)
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#define BUILDIO_IOPORT(bwlq, type) \
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__BUILD_IOPORT_PFX(, bwlq, type) \
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__BUILD_IOPORT_PFX(_, bwlq, type) \
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__BUILD_IOPORT_PFX(__mem_, bwlq, type)
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BUILDIO_IOPORT(b, u8)
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@ -412,14 +415,6 @@ __BUILDIO(q, u64)
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#define writeq_be(val, addr) \
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__raw_writeq(cpu_to_be64((val)), (__force unsigned *)(addr))
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/*
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* Some code tests for these symbols
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*/
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#ifdef CONFIG_64BIT
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#define readq readq
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#define writeq writeq
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#endif
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#define __BUILD_MEMORY_STRING(bwlq, type) \
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\
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static inline void writes##bwlq(volatile void __iomem *mem, \
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@ -480,18 +475,6 @@ BUILDSTRING(l, u32)
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BUILDSTRING(q, u64)
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#endif
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static inline void memset_io(volatile void __iomem *addr, unsigned char val, int count)
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{
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memset((void __force *) addr, val, count);
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}
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static inline void memcpy_fromio(void *dst, const volatile void __iomem *src, int count)
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{
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memcpy(dst, (void __force *) src, count);
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}
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static inline void memcpy_toio(volatile void __iomem *dst, const void *src, int count)
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{
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memcpy((void __force *) dst, src, count);
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}
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/*
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* The caches on some architectures aren't dma-coherent and have need to
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@ -548,6 +531,61 @@ extern void (*_dma_cache_inv)(unsigned long start, unsigned long size);
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#define csr_out32(v, a) (*(volatile u32 *)((unsigned long)(a) + __CSR_32_ADJUST) = (v))
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#define csr_in32(a) (*(volatile u32 *)((unsigned long)(a) + __CSR_32_ADJUST))
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#define __raw_readb __raw_readb
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#define __raw_readw __raw_readw
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#define __raw_readl __raw_readl
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#ifdef CONFIG_64BIT
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#define __raw_readq __raw_readq
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#endif
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#define __raw_writeb __raw_writeb
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#define __raw_writew __raw_writew
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#define __raw_writel __raw_writel
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#ifdef CONFIG_64BIT
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#define __raw_writeq __raw_writeq
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#endif
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#define readb readb
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#define readw readw
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#define readl readl
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#ifdef CONFIG_64BIT
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#define readq readq
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#endif
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#define writeb writeb
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#define writew writew
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#define writel writel
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#ifdef CONFIG_64BIT
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#define writeq writeq
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#endif
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#define readsb readsb
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#define readsw readsw
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#define readsl readsl
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#ifdef CONFIG_64BIT
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#define readsq readsq
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#endif
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#define writesb writesb
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#define writesw writesw
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#define writesl writesl
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#ifdef CONFIG_64BIT
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#define writesq writesq
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#endif
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#define _inb _inb
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#define _inw _inw
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#define _inl _inl
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#define insb insb
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#define insw insw
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#define insl insl
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#define _outb _outb
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#define _outw _outw
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#define _outl _outl
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#define outsb outsb
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#define outsw outsw
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#define outsl outsl
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/*
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* Convert a physical pointer to a virtual kernel pointer for /dev/mem
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* access
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@ -557,4 +595,6 @@ extern void (*_dma_cache_inv)(unsigned long start, unsigned long size);
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void __ioread64_copy(void *to, const void __iomem *from, size_t count);
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#include <asm-generic/io.h>
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#endif /* _ASM_IO_H */
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@ -2,9 +2,9 @@
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#ifndef _ASM_MMIOWB_H
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#define _ASM_MMIOWB_H
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#include <asm/io.h>
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#include <asm/barrier.h>
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#define mmiowb() iobarrier_w()
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#define mmiowb() wmb()
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#include <asm-generic/mmiowb.h>
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@ -13,8 +13,6 @@
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#include <linux/errno.h>
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#include <asm/mips-cps.h>
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#ifdef CONFIG_SMP
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#include <linux/cpumask.h>
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@ -11,13 +11,11 @@
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#ifndef __ASM_SMP_H
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#define __ASM_SMP_H
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#include <linux/bitops.h>
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#include <linux/compiler.h>
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#include <linux/linkage.h>
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#include <linux/smp.h>
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#include <linux/threads.h>
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#include <linux/cpumask.h>
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#include <linux/atomic.h>
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#include <asm/smp-ops.h>
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extern int smp_num_siblings;
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@ -42,6 +42,7 @@
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#include <asm/sections.h>
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#include <asm/setup.h>
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#include <asm/smp-ops.h>
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#include <asm/mips-cps.h>
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#include <asm/prom.h>
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#include <asm/fw/fw.h>
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@ -7,6 +7,9 @@
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* Copyright (C) 1999, 2000, 04 Ralf Baechle (ralf@linux-mips.org)
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* Copyright (C) 1999, 2000 Silicon Graphics, Inc.
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*/
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#include <linux/io.h>
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#include <asm/sn/addrs.h>
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#include <asm/sn/types.h>
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#include <asm/sn/klconfig.h>
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