Add simplified and meaningful macro for cs0_rw.
Signed-off-by: Jagan Teki jagan@amarulasolutions.com Signed-off-by: YouMin Chen cym@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);