[24/92] ram: rk3399: Add cs1_col enc macro
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Message ID 20190611145135.21399-25-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 dram config macro for handling cs1 column.

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 | 3 +++
 drivers/ram/rockchip/sdram_rk3399.c               | 1 +
 2 files changed, 4 insertions(+)

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 dc7275656e..637a0de902 100644
--- a/arch/arm/include/asm/arch-rockchip/sdram_common.h
+++ b/arch/arm/include/asm/arch-rockchip/sdram_common.h
@@ -74,6 +74,9 @@ 
 				     (4 + 2 * (ch)); \
 		} while (0)
 
+#define SYS_REG_CS1_COL_SHIFT(ch)	(0 + 2 * (ch))
+#define SYS_REG_ENC_CS1_COL(n, ch)      (((n) - 9) << SYS_REG_CS1_COL_SHIFT(ch))
+
 /* Get sdram size decode from reg */
 size_t rockchip_sdram_size(phys_addr_t reg);
 
diff --git a/drivers/ram/rockchip/sdram_rk3399.c b/drivers/ram/rockchip/sdram_rk3399.c
index 772fde9732..d77a8310cd 100644
--- a/drivers/ram/rockchip/sdram_rk3399.c
+++ b/drivers/ram/rockchip/sdram_rk3399.c
@@ -1033,6 +1033,7 @@  static void dram_all_config(struct dram_info *dram,
 		if (info->cs1_row)
 			SYS_REG_ENC_CS1_ROW(info->cs1_row, sys_reg2,
 					    sys_reg3, channel);
+		sys_reg3 |= SYS_REG_ENC_CS1_COL(info->col, channel);
 
 		ddr_msch_regs = dram->chan[channel].msch;
 		noc_timing = &sdram_params->ch[channel].noc_timings;