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author | Huayang Duan <huayang.duan@mediatek.com> | 2020-06-23 14:28:32 +0800 |
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committer | Hung-Te Lin <hungte@chromium.org> | 2020-12-31 03:07:37 +0000 |
commit | 2d0117e2fe424f613bb3f3d156099d67bbe0515d (patch) | |
tree | 6254bada056fb4d8ba17882b869c93c33fd30d67 /src/soc/mediatek/mt8192/dramc_pi_basic_api.c | |
parent | 4cb885e5be06bc07624a00d33ef4cc1966344255 (diff) | |
download | coreboot-2d0117e2fe424f613bb3f3d156099d67bbe0515d.tar.xz |
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 <huayang.duan@mediatek.com>
Change-Id: Ib4ccaa8d43b8382cbc64cf82de86ad1ac16cb89a
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44709
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Diffstat (limited to 'src/soc/mediatek/mt8192/dramc_pi_basic_api.c')
-rw-r--r-- | src/soc/mediatek/mt8192/dramc_pi_basic_api.c | 1 |
1 files changed, 1 insertions, 0 deletions
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) |