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ram: rk3399: Get lpddr4 tsel_rd_en from io settings

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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>
Reviewed-by: Kever Yang <Kever.yang@rock-chips.com>
This commit is contained in:
Jagan Teki 2019-07-16 17:27:25 +05:30 • committed by Kever Yang
parent f288d54936
commit 4eceda01d5
1 changed files with 6 additions and 2 deletions
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8
drivers/ram/rockchip/sdram_rk3399.c
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@ -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;