cache: add sifive composable cache driver
This driver is currently responsible for enabling all ccache ways.
Composable cache could be configure as RAM or cache, we will use it as
RAM at the beginning to put the u-boot SPL there. In u-boot proper
phrase, we will use the composable cache as cache, and try to enable the
cache ways.
Signed-off-by: Zong Li <zong.li@sifive.com>
Reviewed-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Rick Chen <rick@andestech.com>
diff --git a/drivers/cache/Kconfig b/drivers/cache/Kconfig
index 1e452ad..40f41a8 100644
--- a/drivers/cache/Kconfig
+++ b/drivers/cache/Kconfig
@@ -39,4 +39,11 @@
controller. The driver initializes cache directories and coherent
agent interfaces.
+config SIFIVE_CCACHE
+ bool "SiFive composable cache"
+ select CACHE
+ help
+ This driver is for SiFive Composable L2/L3 cache. It enables cache
+ ways of composable cache.
+
endmenu