[U-Boot] [PATCH v2 19/99] ram: rk3399: Add cs0_rw macro

[Jagan Teki]

Add simplified and meaningful macro for cs0_rw.

Signed-off-by: Jagan Teki <jagan at amarulasolutions.com>
Signed-off-by: YouMin Chen <cym at rock-chips.com>
---
 arch/arm/include/asm/arch-rockchip/sdram_common.h | 2 ++
 drivers/ram/rockchip/sdram_rk3399.c               | 3 +--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/arm/include/asm/arch-rockchip/sdram_common.h b/arch/arm/include/asm/arch-rockchip/sdram_common.h
index 72cc9c94cc..2b4745acbf 100644
--- a/arch/arm/include/asm/arch-rockchip/sdram_common.h
+++ b/arch/arm/include/asm/arch-rockchip/sdram_common.h
@@ -52,6 +52,8 @@
 					SYS_REG_BK_SHIFT(ch))
 #define SYS_REG_CS0_ROW_SHIFT(ch)	(6 + (ch) * 16)
 #define SYS_REG_CS0_ROW_MASK		3
+#define SYS_REG_ENC_CS0_ROW(n, ch)	(((n) - 13) << \
+					SYS_REG_CS0_ROW_SHIFT(ch))
 #define SYS_REG_CS1_ROW_SHIFT(ch)	(4 + (ch) * 16)
 #define SYS_REG_CS1_ROW_MASK		3
 #define SYS_REG_BW_SHIFT(ch)		(2 + (ch) * 16)
diff --git a/drivers/ram/rockchip/sdram_rk3399.c b/drivers/ram/rockchip/sdram_rk3399.c
index 1a3285892a..1907fc9eac 100644
--- a/drivers/ram/rockchip/sdram_rk3399.c
+++ b/drivers/ram/rockchip/sdram_rk3399.c
@@ -1025,8 +1025,7 @@ static void dram_all_config(struct dram_info *dram,
 		sys_reg |= SYS_REG_ENC_RANK(info->rank, channel);
 		sys_reg |= SYS_REG_ENC_COL(info->col, channel);
 		sys_reg |= SYS_REG_ENC_BK(info->bk, channel);
-		sys_reg |= (info->cs0_row - 13) <<
-			    SYS_REG_CS0_ROW_SHIFT(channel);
+		sys_reg |= SYS_REG_ENC_CS0_ROW(info->cs0_row, channel);
 		sys_reg |= (info->cs1_row - 13) <<
 			    SYS_REG_CS1_ROW_SHIFT(channel);
 		sys_reg |= (2 >> info->bw) << SYS_REG_BW_SHIFT(channel);
-- 
2.18.0.321.gffc6fa0e3