Add simplified and meaningful macro for bk.
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 | 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 8cb564960d..78cca88121 100644 --- a/arch/arm/include/asm/arch-rockchip/sdram_common.h +++ b/arch/arm/include/asm/arch-rockchip/sdram_common.h @@ -48,6 +48,8 @@ #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_ENC_BK(n, ch) (((n) == 3 ? 0 : 1) << \ + 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_CS1_ROW_SHIFT(ch) (4 + (ch) * 16) diff --git a/drivers/ram/rockchip/sdram_rk3399.c b/drivers/ram/rockchip/sdram_rk3399.c index ed2e0f54a2..77e7f92b5f 100644 --- a/drivers/ram/rockchip/sdram_rk3399.c +++ b/drivers/ram/rockchip/sdram_rk3399.c @@ -1024,7 +1024,7 @@ static void dram_all_config(struct dram_info *dram, sys_reg |= SYS_REG_ENC_CHINFO(channel); sys_reg |= SYS_REG_ENC_RANK(info->rank, channel); sys_reg |= SYS_REG_ENC_COL(info->col, channel); - sys_reg |= info->bk == 3 ? 0 : 1 << SYS_REG_BK_SHIFT(channel); + sys_reg |= SYS_REG_ENC_BK(info->bk, channel); sys_reg |= (info->cs0_row - 13) << SYS_REG_CS0_ROW_SHIFT(channel); sys_reg |= (info->cs1_row - 13) <<