diff options
| author | Edward-JW Yang <edward-jw.yang@mediatek.corp-partner.google.com> | 2021-11-01 19:23:52 +0800 |
|---|---|---|
| committer | Hung-Te Lin <hungte@chromium.org> | 2021-11-17 10:30:17 +0000 |
| commit | e3964c75d76a225dbf6deb1f3a8ed13e0b17d8a5 (patch) | |
| tree | 3b1b81affd5cfd459ea2dd217d434331a941a976 | |
| parent | 7c14ff0261951801bb7ff2aff8cfa25ca34b43ab (diff) | |
soc/mediatek/mt8186: Enable DCM
DCM (dynamic clock management) can dynamically slow down or gate clocks
during CPU or bus idle. Enable DCM settings on the MT8186 platform.
TEST=build pass and check register ok
BUG=b:202871018
Signed-off-by: Edward-JW Yang <edward-jw.yang@mediatek.corp-partner.google.com>
Change-Id: I82add5ae629d59f7d6773e26ac9cba9d54ab8caf
Reviewed-on: https://review.coreboot.org/c/coreboot/+/59338
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
| -rw-r--r-- | src/soc/mediatek/mt8186/include/soc/pll.h | 15 | ||||
| -rw-r--r-- | src/soc/mediatek/mt8186/pll.c | 31 |
2 files changed, 46 insertions, 0 deletions
diff --git a/src/soc/mediatek/mt8186/include/soc/pll.h b/src/soc/mediatek/mt8186/include/soc/pll.h index 4638f50a92..ce980774e2 100644 --- a/src/soc/mediatek/mt8186/include/soc/pll.h +++ b/src/soc/mediatek/mt8186/include/soc/pll.h @@ -507,4 +507,19 @@ DEFINE_BITFIELD(CLK_DBG_CFG_METER_CK_SEL, 1, 0) DEFINE_BITFIELD(CLK_MISC_CFG_0_METER_DIV, 31, 24) DEFINE_BITFIELD(CLK26CALI_0_ENABLE, 12, 12) DEFINE_BITFIELD(CLK26CALI_0_TRIGGER, 4, 4) + +DEFINE_BIT(INFRACFG_AO_AUDIO_BUS_REG0, 29) +DEFINE_BIT(INFRACFG_AO_ICUSB_BUS_REG0, 28) + +DEFINE_BITFIELD(INFRACFG_AO_INFRA_BUS_REG0_0, 14, 0) +DEFINE_BITFIELD(INFRACFG_AO_INFRA_BUS_REG0_1, 23, 20) +DEFINE_BIT(INFRACFG_AO_INFRA_BUS_REG0_2, 30) + +DEFINE_BIT(INFRACFG_AO_P2P_RX_CLK_REG0_MASK_0, 0) +DEFINE_BIT(INFRACFG_AO_P2P_RX_CLK_REG0_MASK_1, 5) + +DEFINE_BITFIELD(INFRACFG_AO_PERI_BUS_REG0_0, 1, 0) +DEFINE_BITFIELD(INFRACFG_AO_PERI_BUS_REG0_1, 27, 3) +DEFINE_BIT(INFRACFG_AO_PERI_BUS_REG0_2, 31) + #endif /* SOC_MEDIATEK_MT8186_PLL_H */ diff --git a/src/soc/mediatek/mt8186/pll.c b/src/soc/mediatek/mt8186/pll.c index 7f9d74890c..572e7ec45b 100644 --- a/src/soc/mediatek/mt8186/pll.c +++ b/src/soc/mediatek/mt8186/pll.c @@ -436,6 +436,37 @@ void mt_pll_init(void) write32(&mt8186_infracfg_ao->infra_bus_dcm_ctrl, 0x805f0603); write32(&mt8186_infracfg_ao->peri_bus_dcm_ctrl, 0xb07f0603); + /* dcm_infracfg_ao_audio_bus and dcm_infracfg_ao_icusb_bus */ + SET32_BITFIELDS(&mt8186_infracfg_ao->peri_bus_dcm_ctrl, + INFRACFG_AO_AUDIO_BUS_REG0, 0, + INFRACFG_AO_ICUSB_BUS_REG0, 0, + INFRACFG_AO_AUDIO_BUS_REG0, 1, + INFRACFG_AO_ICUSB_BUS_REG0, 1); + + /* dcm_infracfg_ao_infra_bus */ + SET32_BITFIELDS(&mt8186_infracfg_ao->infra_bus_dcm_ctrl, + INFRACFG_AO_INFRA_BUS_REG0_0, 0, + INFRACFG_AO_INFRA_BUS_REG0_1, 0, + INFRACFG_AO_INFRA_BUS_REG0_2, 0, + INFRACFG_AO_INFRA_BUS_REG0_0, 0x603, + INFRACFG_AO_INFRA_BUS_REG0_1, 0xF, + INFRACFG_AO_INFRA_BUS_REG0_2, 1); + + /* dcm_infracfg_ao_p2p_rx_clk */ + SET32_BITFIELDS(&mt8186_infracfg_ao->p2p_rx_clk_on, + INFRACFG_AO_P2P_RX_CLK_REG0_MASK_0, 0, + INFRACFG_AO_P2P_RX_CLK_REG0_MASK_1, 0, + INFRACFG_AO_P2P_RX_CLK_REG0_MASK_1, 1); + + /* dcm_infracfg_ao_peri_bus */ + SET32_BITFIELDS(&mt8186_infracfg_ao->peri_bus_dcm_ctrl, + INFRACFG_AO_PERI_BUS_REG0_0, 0, + INFRACFG_AO_PERI_BUS_REG0_1, 0, + INFRACFG_AO_PERI_BUS_REG0_2, 0, + INFRACFG_AO_PERI_BUS_REG0_0, 3, + INFRACFG_AO_PERI_BUS_REG0_1, 0xFF07C, + INFRACFG_AO_PERI_BUS_REG0_2, 1); + for (i = 0; i < ARRAY_SIZE(mux_sels); i++) mux_set_sel(&muxes[mux_sels[i].id], mux_sels[i].sel); |