Add simplified and meaningful macro for rank.

Signed-off-by: Jagan Teki <ja...@amarulasolutions.com>
Signed-off-by: YouMin Chen <c...@rock-chips.com>
---
 arch/arm/include/asm/arch-rockchip/sdram_common.h | 2 ++
 drivers/ram/rockchip/sdram_rk3399.c               | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/arm/include/asm/arch-rockchip/sdram_common.h 
b/arch/arm/include/asm/arch-rockchip/sdram_common.h
index d7d44749de..e2173aeeea 100644
--- a/arch/arm/include/asm/arch-rockchip/sdram_common.h
+++ b/arch/arm/include/asm/arch-rockchip/sdram_common.h
@@ -41,6 +41,8 @@
                                        SYS_REG_NUM_CH_SHIFT)
 #define SYS_REG_RANK_SHIFT(ch)         (11 + (ch) * 16)
 #define SYS_REG_RANK_MASK              1
+#define SYS_REG_ENC_RANK(n, ch)                (((n) - SYS_REG_RANK_MASK) << \
+                                        SYS_REG_RANK_SHIFT(ch))
 #define SYS_REG_COL_SHIFT(ch)          (9 + (ch) * 16)
 #define SYS_REG_COL_MASK               3
 #define SYS_REG_BK_SHIFT(ch)           (8 + (ch) * 16)
diff --git a/drivers/ram/rockchip/sdram_rk3399.c 
b/drivers/ram/rockchip/sdram_rk3399.c
index 7d071f998b..acc8f17491 100644
--- a/drivers/ram/rockchip/sdram_rk3399.c
+++ b/drivers/ram/rockchip/sdram_rk3399.c
@@ -1022,7 +1022,7 @@ static void dram_all_config(struct dram_info *dram,
                idx++;
                sys_reg |= SYS_REG_ENC_ROW_3_4(info->row_3_4, channel);
                sys_reg |= SYS_REG_ENC_CHINFO(channel);
-               sys_reg |= (info->rank - 1) << SYS_REG_RANK_SHIFT(channel);
+               sys_reg |= SYS_REG_ENC_RANK(info->rank, channel);
                sys_reg |= (info->col - 9) << SYS_REG_COL_SHIFT(channel);
                sys_reg |= info->bk == 3 ? 0 : 1 << SYS_REG_BK_SHIFT(channel);
                sys_reg |= (info->cs0_row - 13) <<
-- 
2.18.0.321.gffc6fa0e3

_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
https://lists.denx.de/listinfo/u-boot

Reply via email to