From 4eceda01d5df9d90d6402dfd5fcf1bcc9c5c00e6 Mon Sep 17 00:00:00 2001 From: Jagan Teki Date: Tue, 16 Jul 2019 17:27:25 +0530 Subject: [PATCH] ram: rk3399: Get lpddr4 tsel_rd_en from io settings 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 Signed-off-by: YouMin Chen Reviewed-by: Kever Yang --- 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 7ef7707..7dd3a44 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; -- 2.7.4