On 2019/7/16 下午7:56, Jagan Teki wrote:
Add simplified and meaningful macro for row_3_4.
Signed-off-by: Jagan Teki <[email protected]>
Signed-off-by: YouMin Chen <[email protected]>
Reviewed-by: Kever Yang <[email protected]>
Thanks,
- Kever
---
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 076afe2ae3..e5af3eab7e 100644
--- a/arch/arm/include/asm/arch-rockchip/sdram_common.h
+++ b/arch/arm/include/asm/arch-rockchip/sdram_common.h
@@ -71,6 +71,7 @@ struct sdram_base_params {
#define SYS_REG_NUM_CH_MASK 1
#define SYS_REG_ROW_3_4_SHIFT(ch) (30 + (ch))
#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_DDRTYPE(n) ((n) << SYS_REG_DDRTYPE_SHIFT)
#define SYS_REG_ENC_NUM_CH(n) (((n) - SYS_REG_NUM_CH_MASK) << \
diff --git a/drivers/ram/rockchip/sdram_rk3399.c
b/drivers/ram/rockchip/sdram_rk3399.c
index 830311ffa9..d97efb6996 100644
--- a/drivers/ram/rockchip/sdram_rk3399.c
+++ b/drivers/ram/rockchip/sdram_rk3399.c
@@ -1089,8 +1089,7 @@ static void dram_all_config(struct dram_info *dram,
if (params->ch[channel].cap_info.col == 0)
continue;
idx++;
- sys_reg |= info->cap_info.row_3_4 <<
- SYS_REG_ROW_3_4_SHIFT(channel);
+ sys_reg |= SYS_REG_ENC_ROW_3_4(info->cap_info.row_3_4, channel);
sys_reg |= 1 << SYS_REG_CHINFO_SHIFT(channel);
sys_reg |= (info->cap_info.rank - 1) <<
SYS_REG_RANK_SHIFT(channel);
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