summaryrefslogtreecommitdiff
path: root/src/soc/intel/braswell/tsc_freq.c
diff options
context:
space:
mode:
authorTim Wawrzynczak <twawrzynczak@chromium.org>2021-07-01 08:20:17 -0600
committerTim Wawrzynczak <twawrzynczak@chromium.org>2021-09-10 20:56:54 +0000
commit2eb100dd123e6f73e41f5c3c270c9e2f4c334ba7 (patch)
tree91de347ba31b9047e1bc0805b4490ec9ed80b454 /src/soc/intel/braswell/tsc_freq.c
parent593941b600623ed366ada5ee8bb0dc94318b7b02 (diff)
soc/intel/common/block/acpi: Add LPM requirements support to PEPD _DSM
This patch adds support for the S0ix UUID in the Intel Power Engine _DSM method. This allows the ACPI tables to expose device/IP power states requirements for different system low power states BUG=b:185437326 TEST=Along with following patch on brya0 after resume from s0ix, cat /sys/kernel/debug/pmc_core/substate_requirements Element | S0i2.0 | S0i3.0 | Status | USB2PLL_OFF_STS | Required | Required | Yes | PCIe/USB3.1_Gen2PLL_OFF_STS | Required | Required | Yes | PCIe_Gen3PLL_OFF_STS | Required | Required | Yes | OPIOPLL_OFF_STS | Required | Required | Yes | OCPLL_OFF_STS | Required | Required | Yes | MainPLL_OFF_STS | | Required | | MIPIPLL_OFF_STS | Required | Required | Yes | Fast_XTAL_Osc_OFF_STS | | Required | | AC_Ring_Osc_OFF_STS | Required | Required | Yes | SATAPLL_OFF_STS | Required | Required | Yes | XTAL_USB2PLL_OFF_STS | | Required | Yes | CSME_PG_STS | Required | Required | Yes | SATA_PG_STS | Required | Required | Yes | xHCI_PG_STS | Required | Required | Yes | UFSX2_PG_STS | Required | Required | Yes | OTG_PG_STS | Required | Required | Yes | SPA_PG_STS | Required | Required | Yes | SPB_PG_STS | Required | Required | Yes | SPC_PG_STS | Required | Required | Yes | THC0_PG_STS | Required | Required | Yes | THC1_PG_STS | Required | Required | Yes | GBETSN_PG_STS | Required | Required | Yes | GBE_PG_STS | Required | Required | Yes | LPSS_PG_STS | Required | Required | Yes | ADSP_D3_STS | | Required | Yes | xHCI0_D3_STS | Required | Required | Yes | xDCI1_D3_STS | Required | Required | Yes | IS_D3_STS | Required | Required | Yes | GBE_TSN_D3_STS | Required | Required | Yes | CPU_C10_REQ_STS_0 | Required | Required | Yes | CNVI_REQ_STS_6 | | Required | Yes | ISH_REQ_STS_7 | | Required | Yes | MPHY_Core_DL_REQ_STS_16 | Required | Required | Yes | Break-even_En_REQ_STS_17 | Required | Required | Yes | Auto-demo_En_REQ_STS_18 | Required | Required | Yes | Int_Timer_SS_Wake0_Pol_STS | Required | Required | | Int_Timer_SS_Wake1_Pol_STS | Required | Required | | Int_Timer_SS_Wake2_Pol_STS | Required | Required | | Int_Timer_SS_Wake3_Pol_STS | Required | Required | | Int_Timer_SS_Wake4_Pol_STS | Required | Required | | Int_Timer_SS_Wake5_Pol_STS | Required | Required | | Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org> Change-Id: I542290bd5490aa6580a5ae2b266da3d78bc17e6b Reviewed-on: https://review.coreboot.org/c/coreboot/+/56005 Reviewed-by: Furquan Shaikh <furquan@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/intel/braswell/tsc_freq.c')
0 files changed, 0 insertions, 0 deletions