2 * Copyright (c) 2010 Samsung Electronics.
3 * Minkyu Kang <mk7.kang@samsung.com>
5 * SPDX-License-Identifier: GPL-2.0+
10 #include <asm/system.h>
12 enum l2_cache_params {
13 CACHE_TAG_RAM_SETUP = (1 << 9),
14 CACHE_DATA_RAM_SETUP = (1 << 5),
15 CACHE_TAG_RAM_LATENCY = (2 << 6),
16 CACHE_DATA_RAM_LATENCY = (2 << 0)
19 void reset_cpu(ulong addr)
21 writel(0x1, samsung_get_base_swreset());
24 #ifndef CONFIG_SYS_DCACHE_OFF
25 void enable_caches(void)
27 /* Enable D-cache. I-cache is already enabled in start.S */
32 #ifndef CONFIG_SYS_L2CACHE_OFF
34 * Set L2 cache parameters
36 static void exynos5_set_l2cache_params(void)
40 asm volatile("mrc p15, 1, %0, c9, c0, 2\n" : "=r"(val));
42 val |= CACHE_TAG_RAM_SETUP |
43 CACHE_DATA_RAM_SETUP |
44 CACHE_TAG_RAM_LATENCY |
45 CACHE_DATA_RAM_LATENCY;
47 asm volatile("mcr p15, 1, %0, c9, c0, 2\n" : : "r"(val));
51 * Sets L2 cache related parameters before enabling data cache
53 void v7_outer_cache_enable(void)
56 exynos5_set_l2cache_params();