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| author | Haojian Zhuang <haojian.zhuang@linaro.org> | 2013-01-30 09:13:48 +0800 |
|---|---|---|
| committer | Guodong Xu <guodong.xu@linaro.org> | 2013-02-21 16:12:22 +0800 |
| commit | 8f7ab35648ae87235c34727ee2b9da2fb18d58e2 (patch) | |
| tree | a39299d4f6a59ac34c4820e8f7d6e5f779578a5d | |
| parent | 618aef7d599dd55a702e90bc0c44c196991c3bb5 (diff) | |
ARM: hs: enable l2 cache
Enable l2 cache on hisilicon SoC platform.
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
| -rw-r--r-- | arch/arm/mach-hs/hs-dt.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/arm/mach-hs/hs-dt.c b/arch/arm/mach-hs/hs-dt.c index 8599c0c91c4..9b79071fdb9 100644 --- a/arch/arm/mach-hs/hs-dt.c +++ b/arch/arm/mach-hs/hs-dt.c @@ -17,6 +17,7 @@ #include <linux/of_platform.h> #include <asm/hardware/arm_timer.h> +#include <asm/hardware/cache-l2x0.h> #include <asm/hardware/gic.h> #include <asm/hardware/timer-sp.h> #include <asm/mach/arch.h> @@ -71,9 +72,32 @@ static struct of_device_id hs_irq_match[] __initdata = { {} }; +static struct of_device_id hs_l2cache_match[] __initdata = { + { .compatible = "arm,pl310-cache", }, + {} +}; + static void __init hs_irq_init(void) { + struct device_node *node; + int ret; + u32 data[2]; + of_irq_init(hs_irq_match); + + node = of_find_matching_node(NULL, hs_l2cache_match); + WARN_ON(!node); + if (!node) { + pr_err("Failed to find l2cache\n"); + return; + } + ret = of_property_read_u32_array(node, "hisilicon,l2cache-aux", + &data[0], 2); + if (ret < 0) { + data[0] = 0; + data[1] = ~0UL; + } + l2x0_of_init(data[0], data[1]); } static void __init hs_init(void) |