diff options
Diffstat (limited to 'roms/u-boot/arch/arm/mach-s5pc1xx/cache.c')
-rw-r--r-- | roms/u-boot/arch/arm/mach-s5pc1xx/cache.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/mach-s5pc1xx/cache.c b/roms/u-boot/arch/arm/mach-s5pc1xx/cache.c new file mode 100644 index 000000000..b390bdf82 --- /dev/null +++ b/roms/u-boot/arch/arm/mach-s5pc1xx/cache.c @@ -0,0 +1,48 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * 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 + */ + +#include <common.h> +#include <cpu_func.h> +#include <asm/cache.h> + +#if !CONFIG_IS_ENABLED(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 |