Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
63 lines
1.5 KiB
C
63 lines
1.5 KiB
C
/*
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* include/asm-xtensa/io.h
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 2001 - 2005 Tensilica Inc.
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*/
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#ifndef _XTENSA_IO_H
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#define _XTENSA_IO_H
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#include <asm/byteorder.h>
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#include <asm/page.h>
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#include <asm/vectors.h>
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#include <linux/bug.h>
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#include <linux/kernel.h>
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#include <linux/pgtable.h>
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#include <linux/types.h>
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#define IOADDR(x) (XCHAL_KIO_BYPASS_VADDR + (x))
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#define IO_SPACE_LIMIT ~0
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#define PCI_IOBASE ((void __iomem *)XCHAL_KIO_BYPASS_VADDR)
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#ifdef CONFIG_MMU
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/*
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* I/O memory mapping functions.
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*/
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void __iomem *ioremap_prot(phys_addr_t phys_addr, size_t size,
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pgprot_t prot);
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#define ioremap_prot ioremap_prot
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#define iounmap iounmap
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static inline void __iomem *ioremap(unsigned long offset, unsigned long size)
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{
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if (offset >= XCHAL_KIO_PADDR
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&& offset - XCHAL_KIO_PADDR < XCHAL_KIO_SIZE)
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return (void*)(offset-XCHAL_KIO_PADDR+XCHAL_KIO_BYPASS_VADDR);
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else
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return ioremap_prot(offset, size,
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pgprot_noncached(PAGE_KERNEL));
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}
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#define ioremap ioremap
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static inline void __iomem *ioremap_cache(unsigned long offset,
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unsigned long size)
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{
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if (offset >= XCHAL_KIO_PADDR
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&& offset - XCHAL_KIO_PADDR < XCHAL_KIO_SIZE)
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return (void*)(offset-XCHAL_KIO_PADDR+XCHAL_KIO_CACHED_VADDR);
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else
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return ioremap_prot(offset, size, PAGE_KERNEL);
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}
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#define ioremap_cache ioremap_cache
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#endif /* CONFIG_MMU */
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#include <asm-generic/io.h>
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#endif /* _XTENSA_IO_H */
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