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path: root/src/soc/mediatek/mt8192/pll.c
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2021-01-28soc/mediatek/mt8192: Add function to raise the CCI frequencyWeiyi Lu
Implement mt_pll_raise_cci_freq() in MT8192 to raise the CCI frequency. Usage: mt_pll_raise_cci_freq(1400UL * MHz); Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com> Change-Id: I084cd7888b1dcfdeaef308b8bb3677d034497a30 Reviewed-on: https://review.coreboot.org/c/coreboot/+/46411 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Yu-Ping Wu <yupingso@google.com>
2020-12-16soc/mediatek/mt8192: Keep CONN MCU in reset stateWeiyi Lu
Keep the CONN MCU in reset state to prevent CONN from asserting the clk26m request to SPM. TEST=clk26m request from conn has been released. Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com> Change-Id: Ia1b706da497ba2827341051459c3628e2ae9240f Reviewed-on: https://review.coreboot.org/c/coreboot/+/46447 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Hung-Te Lin <hungte@chromium.org> Reviewed-by: Yu-Ping Wu <yupingso@google.com>
2020-12-16soc/mediatek/mt8192: Enable DCMmtk15698
Enable DCM settings. Change-Id: I5528d176b6bb1f9a5960de981766235510e6ebf1 Signed-off-by: mtk15698 <michael.kao@mediatek.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/46407 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Hung-Te Lin <hungte@chromium.org> Reviewed-by: Yu-Ping Wu <yupingso@google.com>
2020-12-16soc/mediatek/mt8192: Initialize audio pll tuner frequencyWeiyi Lu
Add AUDPLL TUNER init code. TEST=Boots correctly on MT8192EVB. Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com> Change-Id: I1f1b5b55a0a16d42311b16b89b15b31e1aa04670 Reviewed-on: https://review.coreboot.org/c/coreboot/+/46400 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Yu-Ping Wu <yupingso@google.com>
2020-10-09soc/mediatek: Add function to measure clock frequency of MT8192Weiyi Lu
Implement mt_fmeter_get_freq_khz() in MT8192 to measure frequency of some pre-defined clocks by frequency meter. Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com> Change-Id: I75df0b040ed7ea73d25724a3c80040f4e731118f Reviewed-on: https://review.coreboot.org/c/coreboot/+/45402 Reviewed-by: Hung-Te Lin <hungte@chromium.org> Reviewed-by: Yu-Ping Wu <yupingso@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-10-08soc/mediatek: Add function to raise the CPU frequency of MT8192Weiyi Lu
Rename all mt_pll_raise_ca53_freq() into mt_pll_raise_little_cpu_freq(). Implement mt_pll_raise_little_cpu_freq() in MT8192. Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com> Change-Id: I97d9a61f39f2eb27f0c6f911a9199bf0eaae4fbe Reviewed-on: https://review.coreboot.org/c/coreboot/+/45401 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Hung-Te Lin <hungte@chromium.org> Reviewed-by: Yu-Ping Wu <yupingso@google.com>
2020-08-12soc/mediatek/mt8192: Add PLL and clock init supportWeiyi Lu
Add PLL and clock init code. TEST=Boots correctly on MT8192EVB. Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com> Change-Id: Ia49342c058577e8e107b7e56c867bf21532e40d2 Reviewed-on: https://review.coreboot.org/c/coreboot/+/43958 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Hung-Te Lin <hungte@chromium.org> Reviewed-by: Yu-Ping Wu <yupingso@google.com>