Add simplified and meaningful macro for column.
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 | 1 + drivers/ram/rockchip/sdram_rk3399.c | 2 +- 2 files changed, 2 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 e2173aeeea..8cb564960d 100644 --- a/arch/arm/include/asm/arch-rockchip/sdram_common.h +++ b/arch/arm/include/asm/arch-rockchip/sdram_common.h @@ -45,6 +45,7 @@ SYS_REG_RANK_SHIFT(ch)) #define SYS_REG_COL_SHIFT(ch) (9 + (ch) * 16) #define SYS_REG_COL_MASK 3 +#define SYS_REG_ENC_COL(n, ch) (((n) - 9) << SYS_REG_COL_SHIFT(ch)) #define SYS_REG_BK_SHIFT(ch) (8 + (ch) * 16) #define SYS_REG_BK_MASK 1 #define SYS_REG_CS0_ROW_SHIFT(ch) (6 + (ch) * 16) diff --git a/drivers/ram/rockchip/sdram_rk3399.c b/drivers/ram/rockchip/sdram_rk3399.c index acc8f17491..ed2e0f54a2 100644 --- a/drivers/ram/rockchip/sdram_rk3399.c +++ b/drivers/ram/rockchip/sdram_rk3399.c @@ -1023,7 +1023,7 @@ static void dram_all_config(struct dram_info *dram, sys_reg |= SYS_REG_ENC_ROW_3_4(info->row_3_4, channel); sys_reg |= SYS_REG_ENC_CHINFO(channel); sys_reg |= SYS_REG_ENC_RANK(info->rank, channel); - sys_reg |= (info->col - 9) << SYS_REG_COL_SHIFT(channel); + sys_reg |= SYS_REG_ENC_COL(info->col, channel); sys_reg |= info->bk == 3 ? 0 : 1 << SYS_REG_BK_SHIFT(channel); sys_reg |= (info->cs0_row - 13) << SYS_REG_CS0_ROW_SHIFT(channel);