cache: add sifive private L2 cache driver
This driver is currently responsible for enabling the clock gating
feature of SiFive pre core's private L2 cache.
Signed-off-by: Zong Li <zong.li@sifive.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
diff --git a/drivers/cache/Makefile b/drivers/cache/Makefile
index ad76577..78e673d 100644
--- a/drivers/cache/Makefile
+++ b/drivers/cache/Makefile
@@ -5,3 +5,4 @@
obj-$(CONFIG_NCORE_CACHE) += cache-ncore.o
obj-$(CONFIG_V5L2_CACHE) += cache-v5l2.o
obj-$(CONFIG_SIFIVE_CCACHE) += cache-sifive-ccache.o
+obj-$(CONFIG_SIFIVE_PL2) += cache-sifive-pl2.o