mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-06 05:04:26 +00:00
50 lines
1.2 KiB
C
50 lines
1.2 KiB
C
|
/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
|
||
|
|
/*
|
||
|
|
* Copyright (c) 2018 Microsemi Corporation
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __ASM_MACH_MSCC_IOREMAP_H
|
||
|
|
#define __ASM_MACH_MSCC_IOREMAP_H
|
||
|
|
|
||
|
|
#include <linux/types.h>
|
||
|
|
#include <mach/common.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_vcoreiii_internal_registers(phys_addr_t offset)
|
||
|
|
{
|
||
|
|
if ((offset >= MSCC_IO_ORIGIN1_OFFSET &&
|
||
|
|
offset < (MSCC_IO_ORIGIN1_OFFSET + MSCC_IO_ORIGIN1_SIZE)) ||
|
||
|
|
(offset >= MSCC_IO_ORIGIN2_OFFSET &&
|
||
|
|
offset < (MSCC_IO_ORIGIN2_OFFSET + MSCC_IO_ORIGIN2_SIZE)))
|
||
|
|
return 1;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void __iomem *plat_ioremap(phys_addr_t offset, unsigned long size,
|
||
|
|
unsigned long flags)
|
||
|
|
{
|
||
|
|
if (is_vcoreiii_internal_registers(offset))
|
||
|
|
return (void __iomem *)offset;
|
||
|
|
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline int plat_iounmap(const volatile void __iomem *addr)
|
||
|
|
{
|
||
|
|
return is_vcoreiii_internal_registers((unsigned long)addr);
|
||
|
|
}
|
||
|
|
|
||
|
|
#define _page_cachable_default _CACHE_CACHABLE_NONCOHERENT
|
||
|
|
|
||
|
|
#endif /* __ASM_MACH_MSCC_IOREMAP_H */
|