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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_MACH_BMIPS_IOREMAP_H
#define __ASM_MACH_BMIPS_IOREMAP_H
#include <linux/types.h>
/*
* Allow physical addresses to be fixed up to help peripherals located
* outside the low 32-bit range -- generic pass-through version.
*/
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 defined(CONFIG_SOC_BMIPS_BCM6338) || \
defined(CONFIG_SOC_BMIPS_BCM6348) || \
defined(CONFIG_SOC_BMIPS_BCM6358)
if (offset >= 0xfffe0000)
return 1;
#endif
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);
}
#define _page_cachable_default _CACHE_CACHABLE_NONCOHERENT
#endif /* __ASM_MACH_BMIPS_IOREMAP_H */
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