ram: rockchip: add common code for sdram driver
There are some function like os_reg setting, capacity detect functions,
can be used as common code for different Rockchip SoCs, add a
sdram_common.c for all these functions.
Signed-off-by: YouMin Chen <cym@rock-chips.com>
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/drivers/ram/rockchip/Makefile b/drivers/ram/rockchip/Makefile
index feb1f82..2f90f40 100644
--- a/drivers/ram/rockchip/Makefile
+++ b/drivers/ram/rockchip/Makefile
@@ -11,3 +11,4 @@
obj-$(CONFIG_ROCKCHIP_RK3288) = sdram_rk3288.o
obj-$(CONFIG_ROCKCHIP_RK3328) = sdram_rk3328.o
obj-$(CONFIG_RAM_RK3399) += sdram_rk3399.o
+obj-$(CONFIG_ROCKCHIP_SDRAM_COMMON) += sdram_common.o