Add simplified and meaningful macro for bw. Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: YouMin Chen <cym@xxxxxxxxxxxxxx> --- arch/arm/include/asm/arch-rockchip/sdram_common.h | 1 + drivers/ram/rockchip/sdram_rk3399.c | 3 +-- 2 files changed, 2 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 578db90241..4749233226 100644 --- a/arch/arm/include/asm/arch-rockchip/sdram_common.h +++ b/arch/arm/include/asm/arch-rockchip/sdram_common.h @@ -98,6 +98,7 @@ struct sdram_base_params { SYS_REG_CS1_ROW_SHIFT(ch)) #define SYS_REG_BW_SHIFT(ch) (2 + (ch) * 16) #define SYS_REG_BW_MASK 3 +#define SYS_REG_ENC_BW(n, ch) ((2 >> (n)) << SYS_REG_BW_SHIFT(ch)) #define SYS_REG_DBW_SHIFT(ch) ((ch) * 16) #define SYS_REG_DBW_MASK 3 #define SYS_REG_ENC_DBW(n, ch) ((2 >> (n)) << SYS_REG_DBW_SHIFT(ch)) diff --git a/drivers/ram/rockchip/sdram_rk3399.c b/drivers/ram/rockchip/sdram_rk3399.c index a83709f271..2d3f0f6902 100644 --- a/drivers/ram/rockchip/sdram_rk3399.c +++ b/drivers/ram/rockchip/sdram_rk3399.c @@ -1096,8 +1096,7 @@ static void dram_all_config(struct dram_info *dram, sys_reg |= SYS_REG_ENC_BK(info->cap_info.bk, channel); sys_reg |= SYS_REG_ENC_CS0_ROW(info->cap_info.cs0_row, channel); sys_reg |= SYS_REG_ENC_CS1_ROW(info->cap_info.cs1_row, channel); - sys_reg |= (2 >> info->cap_info.bw) << - SYS_REG_BW_SHIFT(channel); + sys_reg |= SYS_REG_ENC_BW(info->cap_info.bw, channel); sys_reg |= SYS_REG_ENC_DBW(info->cap_info.dbw, channel); ddr_msch_regs = dram->chan[channel].msch; -- 2.18.0.321.gffc6fa0e3 _______________________________________________ Linux-rockchip mailing list Linux-rockchip@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/linux-rockchip