[PATCH 13/92] ram: rk3399: Add chipinfo macro

Jagan Teki
2019-06-11T14:50:16Z

Add simplified and meaningful macro for chip info.

Signed-off-by: Jagan Teki <jagan-dyjBcgdgk7Pe9wHmmfpqLFaTQe2KTcn/@public.gmane.org>
Signed-off-by: YouMin Chen <cym-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
---
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);
--
2.18.0.321.gffc6fa0e3