From 2d0117e2fe424f613bb3f3d156099d67bbe0515d Mon Sep 17 00:00:00 2001 From: Huayang Duan Date: Tue, 23 Jun 2020 14:28:32 +0800 Subject: soc/mediatek/mt8192: Add dramc 8 phase calibration To get better PI linearity, perform 8 phase calibration to do MCK 0/180/45 training and select the best PI settings. Signed-off-by: Huayang Duan Change-Id: Ib4ccaa8d43b8382cbc64cf82de86ad1ac16cb89a Reviewed-on: https://review.coreboot.org/c/coreboot/+/44709 Tested-by: build bot (Jenkins) Reviewed-by: Yu-Ping Wu --- src/soc/mediatek/mt8192/dramc_pi_basic_api.c | 1 + 1 file changed, 1 insertion(+) (limited to 'src/soc/mediatek/mt8192/dramc_pi_basic_api.c') diff --git a/src/soc/mediatek/mt8192/dramc_pi_basic_api.c b/src/soc/mediatek/mt8192/dramc_pi_basic_api.c index 37aa055e62..24f9620149 100644 --- a/src/soc/mediatek/mt8192/dramc_pi_basic_api.c +++ b/src/soc/mediatek/mt8192/dramc_pi_basic_api.c @@ -3790,6 +3790,7 @@ static void dramc_init(const struct ddr_cali *cali) { dramc_setting(cali); dramc_reset_delay_chain_before_calibration(); + dramc_8_phase_cal(cali); } static void dramc_before_calibration(const struct ddr_cali *cali) -- cgit v1.2.3