[U-Boot] [PATCH 74/92] ram: rk3399: Get lpddr4 tsel_rd_en from io settings

[Jagan Teki <jagan@amarulasolutions.com>]

For base.odt 1 the lpddr4 tsel_rd_en value is depending
on IO settings of rd_odt_en.

Add support for it.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: YouMin Chen <cym@rock-chips.com>
---
 drivers/ram/rockchip/sdram_rk3399.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/ram/rockchip/sdram_rk3399.c b/drivers/ram/rockchip/sdram_rk3399.c
index 2ce9066d53..c0e9a4e7c8 100644
--- a/drivers/ram/rockchip/sdram_rk3399.c
+++ b/drivers/ram/rockchip/sdram_rk3399.c
@@ -646,10 +646,14 @@ static void set_ds_odt(const struct chan_info *chan,
 		tsel_ckcs_select_n = PHY_DRV_ODT_34_3;
 	}
 
-	if (sdram_params->base.odt == 1)
+	if (sdram_params->base.odt == 1) {
 		tsel_rd_en = 1;
-	else
+
+		if (sdram_params->base.dramtype == LPDDR4)
+			tsel_rd_en = io->rd_odt_en;
+	} else {
 		tsel_rd_en = 0;
+	}
 
 	tsel_wr_en = 0;
 	tsel_idle_en = 0;
-- 
2.18.0.321.gffc6fa0e3