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 <[email protected]>
Signed-off-by: YouMin Chen <[email protected]>
---
 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 e0be9d2485..9e40880835 100644
--- a/drivers/ram/rockchip/sdram_rk3399.c
+++ b/drivers/ram/rockchip/sdram_rk3399.c
@@ -645,10 +645,14 @@ static void set_ds_odt(const struct chan_info *chan,
                tsel_ckcs_select_n = PHY_DRV_ODT_34_3;
        }
 
-       if (params->base.odt == 1)
+       if (params->base.odt == 1) {
                tsel_rd_en = 1;
-       else
+
+               if (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

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