Viewing file:  ioremap.h (893 B) -rw-r--r--
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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* include/asm-mips/mach-tx39xx/ioremap.h
*/
#ifndef __ASM_MACH_TX39XX_IOREMAP_H
#define __ASM_MACH_TX39XX_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 void __iomem *plat_ioremap(phys_addr_t offset, unsigned long size,
unsigned long flags)
{
#define TXX9_DIRECTMAP_BASE 0xff000000ul
if (offset >= TXX9_DIRECTMAP_BASE &&
offset < TXX9_DIRECTMAP_BASE + 0xff0000)
return (void __iomem *)offset;
return NULL;
}
static inline int plat_iounmap(const volatile void __iomem *addr)
{
return (unsigned long)addr >= TXX9_DIRECTMAP_BASE;
}
#endif /* __ASM_MACH_TX39XX_IOREMAP_H */
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