ubuntu-linux-kernel/arch/mips/include/asm/mach-bmips/ioremap.h

35 lines
740 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_MACH_BMIPS_IOREMAP_H
#define __ASM_MACH_BMIPS_IOREMAP_H
#include <linux/types.h>
static inline phys_addr_t fixup_bigphys_addr(phys_addr_t phys_addr, phys_addr_t size)
{
return phys_addr;
}
static inline int is_bmips_internal_registers(phys_addr_t offset)
{
if (offset >= 0xfff80000)
return 1;
return 0;
}
static inline void __iomem *plat_ioremap(phys_addr_t offset, unsigned long size,
unsigned long flags)
{
if (is_bmips_internal_registers(offset))
return (void __iomem *)offset;
return NULL;
}
static inline int plat_iounmap(const volatile void __iomem *addr)
{
return is_bmips_internal_registers((unsigned long)addr);
}
#endif /* __ASM_MACH_BMIPS_IOREMAP_H */