Add simplified and meaningful macro for bw.
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 a4b1742438..7e0b491859 100644 --- a/arch/arm/include/asm/arch-rockchip/sdram_common.h +++ b/arch/arm/include/asm/arch-rockchip/sdram_common.h @@ -59,6 +59,7 @@ 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 f69194f29b..3241bc285e 100644 --- a/drivers/ram/rockchip/sdram_rk3399.c +++ b/drivers/ram/rockchip/sdram_rk3399.c @@ -1028,7 +1028,7 @@ static void dram_all_config(struct dram_info *dram, sys_reg |= SYS_REG_ENC_BK(info->bk, channel); sys_reg |= SYS_REG_ENC_CS0_ROW(info->cs0_row, channel); sys_reg |= SYS_REG_ENC_CS1_ROW(info->cs1_row, channel); - sys_reg |= (2 >> info->bw) << SYS_REG_BW_SHIFT(channel); + sys_reg |= SYS_REG_ENC_BW(info->bw, channel); sys_reg |= SYS_REG_ENC_DBW(info->dbw, channel);
ddr_msch_regs = dram->chan[channel].msch;