mirror of
https://github.com/smaeul/u-boot.git
synced 2025-10-31 20:18:18 +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>
52 lines
1.2 KiB
C
52 lines
1.2 KiB
C
/*
|
|
* (C) Copyright 2002
|
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
/* for now: just dummy functions to satisfy the linker */
|
|
|
|
#include <common.h>
|
|
|
|
void __flush_cache(unsigned long start, unsigned long size)
|
|
{
|
|
#if defined(CONFIG_ARM1136)
|
|
void arm1136_cache_flush(void);
|
|
|
|
arm1136_cache_flush();
|
|
#endif
|
|
#ifdef CONFIG_ARM926EJS
|
|
/* test and clean, page 2-23 of arm926ejs manual */
|
|
asm("0: mrc p15, 0, r15, c7, c10, 3\n\t" "bne 0b\n" : : : "memory");
|
|
/* disable write buffer as well (page 2-22) */
|
|
asm("mcr p15, 0, %0, c7, c10, 4" : : "r" (0));
|
|
#endif
|
|
return;
|
|
}
|
|
void flush_cache(unsigned long start, unsigned long size)
|
|
__attribute__((weak, alias("__flush_cache")));
|
|
|
|
/*
|
|
* Default implementation:
|
|
* do a range flush for the entire range
|
|
*/
|
|
void __flush_dcache_all(void)
|
|
{
|
|
flush_cache(0, ~0);
|
|
}
|
|
void flush_dcache_all(void)
|
|
__attribute__((weak, alias("__flush_dcache_all")));
|
|
|
|
|
|
/*
|
|
* Default implementation of enable_caches()
|
|
* Real implementation should be in platform code
|
|
*/
|
|
void __enable_caches(void)
|
|
{
|
|
puts("WARNING: Caches not enabled\n");
|
|
}
|
|
void enable_caches(void)
|
|
__attribute__((weak, alias("__enable_caches")));
|