On 2019/7/16 下午7:57, Jagan Teki wrote:
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]>
Reviewed-by: Kever Yang <[email protected]>
Thanks,
- Kever
---
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;
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