d399157283
fixup_bigphys_addr is only provided by the alchemy platform. Remove all the stubs, and ensure we only call it if it is actually implemented. Also don't bother implementing io_remap_pfn_range if we don't have to, and move the remaining implementation to alchemy platform code. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
31 lines
772 B
C
31 lines
772 B
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* include/asm-mips/mach-tx49xx/ioremap.h
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*/
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#ifndef __ASM_MACH_TX49XX_IOREMAP_H
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#define __ASM_MACH_TX49XX_IOREMAP_H
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#include <linux/types.h>
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static inline void __iomem *plat_ioremap(phys_addr_t offset, unsigned long size,
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unsigned long flags)
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{
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#ifdef CONFIG_64BIT
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#define TXX9_DIRECTMAP_BASE 0xfff000000ul
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#else
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#define TXX9_DIRECTMAP_BASE 0xff000000ul
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#endif
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if (offset >= TXX9_DIRECTMAP_BASE &&
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offset < TXX9_DIRECTMAP_BASE + 0x400000)
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return (void __iomem *)(unsigned long)(int)offset;
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return NULL;
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}
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static inline int plat_iounmap(const volatile void __iomem *addr)
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{
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return (unsigned long)addr >=
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(unsigned long)(int)(TXX9_DIRECTMAP_BASE & 0xffffffff);
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}
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#endif /* __ASM_MACH_TX49XX_IOREMAP_H */
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