mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-12 22:33:18 +00:00
1a4596601f
Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
67 lines
1.8 KiB
C
67 lines
1.8 KiB
C
/*
|
|
* Copyright (C) 2006 Atmel Corporation
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
#ifndef __ASM_AVR32_CACHEFLUSH_H
|
|
#define __ASM_AVR32_CACHEFLUSH_H
|
|
|
|
/*
|
|
* Invalidate any cacheline containing virtual address vaddr without
|
|
* writing anything back to memory.
|
|
*
|
|
* Note that this function may corrupt unrelated data structures when
|
|
* applied on buffers that are not cacheline aligned in both ends.
|
|
*/
|
|
static inline void dcache_invalidate_line(volatile void *vaddr)
|
|
{
|
|
asm volatile("cache %0[0], 0x0b" : : "r"(vaddr) : "memory");
|
|
}
|
|
|
|
/*
|
|
* Make sure any cacheline containing virtual address vaddr is written
|
|
* to memory.
|
|
*/
|
|
static inline void dcache_clean_line(volatile void *vaddr)
|
|
{
|
|
asm volatile("cache %0[0], 0x0c" : : "r"(vaddr) : "memory");
|
|
}
|
|
|
|
/*
|
|
* Make sure any cacheline containing virtual address vaddr is written
|
|
* to memory and then invalidate it.
|
|
*/
|
|
static inline void dcache_flush_line(volatile void *vaddr)
|
|
{
|
|
asm volatile("cache %0[0], 0x0d" : : "r"(vaddr) : "memory");
|
|
}
|
|
|
|
/*
|
|
* Invalidate any instruction cacheline containing virtual address
|
|
* vaddr.
|
|
*/
|
|
static inline void icache_invalidate_line(volatile void *vaddr)
|
|
{
|
|
asm volatile("cache %0[0], 0x01" : : "r"(vaddr) : "memory");
|
|
}
|
|
|
|
/*
|
|
* Applies the above functions on all lines that are touched by the
|
|
* specified virtual address range.
|
|
*/
|
|
void dcache_invalidate_range(volatile void *start, size_t len);
|
|
void dcache_clean_range(volatile void *start, size_t len);
|
|
void dcache_flush_range(volatile void *start, size_t len);
|
|
void icache_invalidate_range(volatile void *start, size_t len);
|
|
|
|
static inline void dcache_flush_unlocked(void)
|
|
{
|
|
asm volatile("cache %0[5], 0x08" : : "r"(0) : "memory");
|
|
}
|
|
|
|
/*
|
|
* Make sure any pending writes are completed before continuing.
|
|
*/
|
|
#define sync_write_buffer() asm volatile("sync 0" : : : "memory")
|
|
|
|
#endif /* __ASM_AVR32_CACHEFLUSH_H */
|