diff options
Diffstat (limited to 'src/cpu/samsung/exynos5250/cpu.c')
-rw-r--r-- | src/cpu/samsung/exynos5250/cpu.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/cpu/samsung/exynos5250/cpu.c b/src/cpu/samsung/exynos5250/cpu.c index b6eae46a81..4bb06e8b4a 100644 --- a/src/cpu/samsung/exynos5250/cpu.c +++ b/src/cpu/samsung/exynos5250/cpu.c @@ -1,5 +1,7 @@ #include <console/console.h> #include <device/device.h> +#include <arch/cache.h> +#include <cpu/samsung/exynos5250/cpu.h> #define RAM_BASE_KB (CONFIG_SYS_SDRAM_BASE >> 10) #define RAM_SIZE_KB (CONFIG_DRAM_SIZE_MB << 10UL) @@ -33,3 +35,17 @@ struct chip_operations cpu_samsung_exynos5250_ops = { CHIP_NAME("CPU Samsung Exynos 5250") .enable_dev = enable_dev, }; + +void exynos5250_config_l2_cache(void) +{ + uint32_t val; + + /* + * Bit 9 - L2 tag RAM setup (1 cycle) + * Bits 8:6 - L2 tag RAM latency (3 cycles) + * Bit 5 - L2 data RAM setup (1 cycle) + * Bits 2:0 - L2 data RAM latency (3 cycles) + */ + val = (1 << 9) | (0x2 << 6) | (1 << 5) | (0x2); + write_l2ctlr(val); +} |