mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-13 23:02:59 +00:00
48 lines
846 B
C
48 lines
846 B
C
|
/*
|
||
|
|
* Copyright (C) 2014 Samsung Electronics
|
||
|
|
* Minkyu Kang <mk7.kang@samsung.com>
|
||
|
|
* Robert Baldyga <r.baldyga@samsung.com>
|
||
|
|
*
|
||
|
|
* based on arch/arm/cpu/armv7/omap3/cache.S
|
||
|
|
*
|
||
|
|
* SPDX-License-Identifier: GPL-2.0+
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <common.h>
|
||
|
|
|
||
|
|
#ifndef CONFIG_SYS_DCACHE_OFF
|
||
|
|
void enable_caches(void)
|
||
|
|
{
|
||
|
|
dcache_enable();
|
||
|
|
}
|
||
|
|
|
||
|
|
void disable_caches(void)
|
||
|
|
{
|
||
|
|
dcache_disable();
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef CONFIG_SYS_L2CACHE_OFF
|
||
|
|
void v7_outer_cache_enable(void)
|
||
|
|
{
|
||
|
|
__asm(
|
||
|
|
"push {r0, r1, r2, lr}\n\t"
|
||
|
|
"mrc 15, 0, r3, cr1, cr0, 1\n\t"
|
||
|
|
"orr r3, r3, #2\n\t"
|
||
|
|
"mcr 15, 0, r3, cr1, cr0, 1\n\t"
|
||
|
|
"pop {r1, r2, r3, pc}"
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
void v7_outer_cache_disable(void)
|
||
|
|
{
|
||
|
|
__asm(
|
||
|
|
"push {r0, r1, r2, lr}\n\t"
|
||
|
|
"mrc 15, 0, r3, cr1, cr0, 1\n\t"
|
||
|
|
"bic r3, r3, #2\n\t"
|
||
|
|
"mcr 15, 0, r3, cr1, cr0, 1\n\t"
|
||
|
|
"pop {r1, r2, r3, pc}"
|
||
|
|
);
|
||
|
|
}
|
||
|
|
#endif
|