[12/92] ram: rk3399: Add row_3_4 enc macro
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Message ID 20190611145135.21399-13-jagan@amarulasolutions.com
State New
Headers show
Series
  • ram: rk3399: Add LPDDR4 support
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Commit Message

Jagan Teki June 11, 2019, 2:50 p.m. UTC 
Add simplified and meaningful macro for row_3_4.

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(-)

Patch
diff mbox series 

diff --git a/arch/arm/include/asm/arch-rockchip/sdram_common.h b/arch/arm/include/asm/arch-rockchip/sdram_common.h
index 38a8bb8642..49a5d14821 100644
--- a/arch/arm/include/asm/arch-rockchip/sdram_common.h
+++ b/arch/arm/include/asm/arch-rockchip/sdram_common.h
@@ -33,6 +33,7 @@ 
 #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) << 13)
 #define SYS_REG_ENC_NUM_CH(n)		(((n) - 1) << 12)
diff --git a/drivers/ram/rockchip/sdram_rk3399.c b/drivers/ram/rockchip/sdram_rk3399.c
index 3d2447a24e..0a7137784e 100644
--- a/drivers/ram/rockchip/sdram_rk3399.c
+++ b/drivers/ram/rockchip/sdram_rk3399.c
@@ -1021,7 +1021,7 @@  static void dram_all_config(struct dram_info *dram,
 		if (sdram_params->ch[channel].col == 0)
 			continue;
 		idx++;
-		sys_reg |= info->row_3_4 << SYS_REG_ROW_3_4_SHIFT(channel);
+		sys_reg |= SYS_REG_ENC_ROW_3_4(info->row_3_4, channel);
 		sys_reg |= 1 << SYS_REG_CHINFO_SHIFT(channel);
 		sys_reg |= (info->rank - 1) << SYS_REG_RANK_SHIFT(channel);
 		sys_reg |= (info->col - 9) << SYS_REG_COL_SHIFT(channel);