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/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef RTL838X_IOREMAP_H_
#define RTL838X_IOREMAP_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_rtl838x_internal_registers(phys_addr_t offset)
{
/* IO-Block */
if (offset >= 0xb8000000 && offset < 0xb9000000)
return 1;
/* Switch block */
if (offset >= 0xbb000000 && offset < 0xbc000000)
return 1;
return 0;
}
static inline void __iomem *plat_ioremap(phys_addr_t offset, unsigned long size,
unsigned long flags)
{
if (is_rtl838x_internal_registers(offset))
return (void __iomem *)offset;
return NULL;
}
static inline int plat_iounmap(const volatile void __iomem *addr)
{
return is_rtl838x_internal_registers((unsigned long)addr);
}
#endif
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