Add simplified and meaningful macro for chip info.
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 49a5d14821..68ae8e8371 100644 --- a/arch/arm/include/asm/arch-rockchip/sdram_common.h +++ b/arch/arm/include/asm/arch-rockchip/sdram_common.h @@ -35,6 +35,7 @@ #define SYS_REG_ROW_3_4_MASK 1 #define SYS_REG_ENC_ROW_3_4(n, ch) ((n) << (30 + (ch))) #define SYS_REG_CHINFO_SHIFT(ch) (28 + (ch)) +#define SYS_REG_ENC_CHINFO(ch) (1 << SYS_REG_CHINFO_SHIFT(ch)) #define SYS_REG_ENC_DDRTYPE(n) ((n) << 13) #define SYS_REG_ENC_NUM_CH(n) (((n) - 1) << 12) #define SYS_REG_RANK_SHIFT(ch) (11 + (ch) * 16) diff --git a/drivers/ram/rockchip/sdram_rk3399.c b/drivers/ram/rockchip/sdram_rk3399.c index 0a7137784e..0feb5d1e10 100644 --- a/drivers/ram/rockchip/sdram_rk3399.c +++ b/drivers/ram/rockchip/sdram_rk3399.c @@ -1022,7 +1022,7 @@ static void dram_all_config(struct dram_info *dram, continue; idx++; sys_reg |= SYS_REG_ENC_ROW_3_4(info->row_3_4, channel); - sys_reg |= 1 << SYS_REG_CHINFO_SHIFT(channel); + sys_reg |= SYS_REG_ENC_CHINFO(channel); sys_reg |= (info->rank - 1) << SYS_REG_RANK_SHIFT(channel); sys_reg |= (info->col - 9) << SYS_REG_COL_SHIFT(channel); sys_reg |= info->bk == 3 ? 0 : 1 << SYS_REG_BK_SHIFT(channel);