[U-Boot] [PATCH v3 04/57] ram: rk3399: Add chipinfo macro

Jagan Teki jagan at amarulasolutions.com
Tue Jul 16 11:56:52 UTC 2019


Add simplified and meaningful macro for chip info.

Signed-off-by: Jagan Teki <jagan at amarulasolutions.com>
Signed-off-by: YouMin Chen <cym at 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 e5af3eab7e..2d0be920d9 100644
--- a/arch/arm/include/asm/arch-rockchip/sdram_common.h
+++ b/arch/arm/include/asm/arch-rockchip/sdram_common.h
@@ -73,6 +73,7 @@ struct sdram_base_params {
 #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) << SYS_REG_DDRTYPE_SHIFT)
 #define SYS_REG_ENC_NUM_CH(n)		(((n) - SYS_REG_NUM_CH_MASK) << \
 					SYS_REG_NUM_CH_SHIFT)
diff --git a/drivers/ram/rockchip/sdram_rk3399.c b/drivers/ram/rockchip/sdram_rk3399.c
index d97efb6996..874e896369 100644
--- a/drivers/ram/rockchip/sdram_rk3399.c
+++ b/drivers/ram/rockchip/sdram_rk3399.c
@@ -1090,7 +1090,7 @@ static void dram_all_config(struct dram_info *dram,
 			continue;
 		idx++;
 		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 |= SYS_REG_ENC_CHINFO(channel);
 		sys_reg |= (info->cap_info.rank - 1) <<
 			   SYS_REG_RANK_SHIFT(channel);
 		sys_reg |= (info->cap_info.col - 9) <<
-- 
2.18.0.321.gffc6fa0e3



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