46 lines
1.0 KiB
C
46 lines
1.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __ASM_MACH_BMIPS_IOREMAP_H
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#define __ASM_MACH_BMIPS_IOREMAP_H
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#include <linux/types.h>
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/*
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* Allow physical addresses to be fixed up to help peripherals located
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* outside the low 32-bit range -- generic pass-through version.
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*/
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static inline phys_addr_t fixup_bigphys_addr(phys_addr_t phys_addr,
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phys_addr_t size)
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{
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return phys_addr;
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}
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static inline int is_bmips_internal_registers(phys_addr_t offset)
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{
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#if defined(CONFIG_SOC_BMIPS_BCM6338) || \
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defined(CONFIG_SOC_BMIPS_BCM6348) || \
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defined(CONFIG_SOC_BMIPS_BCM6358)
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if (offset >= 0xfffe0000)
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return 1;
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#endif
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return 0;
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}
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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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if (is_bmips_internal_registers(offset))
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return (void __iomem *)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 is_bmips_internal_registers((unsigned long)addr);
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}
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#define _page_cachable_default _CACHE_CACHABLE_NONCOHERENT
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#endif /* __ASM_MACH_BMIPS_IOREMAP_H */
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