| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * This file contains platform specific structure definitions |
| * and init function used by Cannon Lake Point PCH. |
| * |
| * Copyright (c) 2022, Intel Corporation. |
| * All Rights Reserved. |
| * |
| */ |
| |
| #include "core.h" |
| |
| /* Cannon Lake: PGD PFET Enable Ack Status Register(s) bitmap */ |
| const struct pmc_bit_map cnp_pfear_map[] = { |
| {"PMC", BIT(0)}, |
| {"OPI-DMI", BIT(1)}, |
| {"SPI/eSPI", BIT(2)}, |
| {"XHCI", BIT(3)}, |
| {"SPA", BIT(4)}, |
| {"SPB", BIT(5)}, |
| {"SPC", BIT(6)}, |
| {"GBE", BIT(7)}, |
| |
| {"SATA", BIT(0)}, |
| {"HDA_PGD0", BIT(1)}, |
| {"HDA_PGD1", BIT(2)}, |
| {"HDA_PGD2", BIT(3)}, |
| {"HDA_PGD3", BIT(4)}, |
| {"SPD", BIT(5)}, |
| {"LPSS", BIT(6)}, |
| {"LPC", BIT(7)}, |
| |
| {"SMB", BIT(0)}, |
| {"ISH", BIT(1)}, |
| {"P2SB", BIT(2)}, |
| {"NPK_VNN", BIT(3)}, |
| {"SDX", BIT(4)}, |
| {"SPE", BIT(5)}, |
| {"Fuse", BIT(6)}, |
| {"SBR8", BIT(7)}, |
| |
| {"CSME_FSC", BIT(0)}, |
| {"USB3_OTG", BIT(1)}, |
| {"EXI", BIT(2)}, |
| {"CSE", BIT(3)}, |
| {"CSME_KVM", BIT(4)}, |
| {"CSME_PMT", BIT(5)}, |
| {"CSME_CLINK", BIT(6)}, |
| {"CSME_PTIO", BIT(7)}, |
| |
| {"CSME_USBR", BIT(0)}, |
| {"CSME_SUSRAM", BIT(1)}, |
| {"CSME_SMT1", BIT(2)}, |
| {"CSME_SMT4", BIT(3)}, |
| {"CSME_SMS2", BIT(4)}, |
| {"CSME_SMS1", BIT(5)}, |
| {"CSME_RTC", BIT(6)}, |
| {"CSME_PSF", BIT(7)}, |
| |
| {"SBR0", BIT(0)}, |
| {"SBR1", BIT(1)}, |
| {"SBR2", BIT(2)}, |
| {"SBR3", BIT(3)}, |
| {"SBR4", BIT(4)}, |
| {"SBR5", BIT(5)}, |
| {"CSME_PECI", BIT(6)}, |
| {"PSF1", BIT(7)}, |
| |
| {"PSF2", BIT(0)}, |
| {"PSF3", BIT(1)}, |
| {"PSF4", BIT(2)}, |
| {"CNVI", BIT(3)}, |
| {"UFS0", BIT(4)}, |
| {"EMMC", BIT(5)}, |
| {"SPF", BIT(6)}, |
| {"SBR6", BIT(7)}, |
| |
| {"SBR7", BIT(0)}, |
| {"NPK_AON", BIT(1)}, |
| {"HDA_PGD4", BIT(2)}, |
| {"HDA_PGD5", BIT(3)}, |
| {"HDA_PGD6", BIT(4)}, |
| {"PSF6", BIT(5)}, |
| {"PSF7", BIT(6)}, |
| {"PSF8", BIT(7)}, |
| {} |
| }; |
| |
| const struct pmc_bit_map *ext_cnp_pfear_map[] = { |
| /* |
| * Check intel_pmc_core_ids[] users of cnp_reg_map for |
| * a list of core SoCs using this. |
| */ |
| cnp_pfear_map, |
| NULL |
| }; |
| |
| const struct pmc_bit_map cnp_slps0_dbg0_map[] = { |
| {"AUDIO_D3", BIT(0)}, |
| {"OTG_D3", BIT(1)}, |
| {"XHCI_D3", BIT(2)}, |
| {"LPIO_D3", BIT(3)}, |
| {"SDX_D3", BIT(4)}, |
| {"SATA_D3", BIT(5)}, |
| {"UFS0_D3", BIT(6)}, |
| {"UFS1_D3", BIT(7)}, |
| {"EMMC_D3", BIT(8)}, |
| {} |
| }; |
| |
| const struct pmc_bit_map cnp_slps0_dbg1_map[] = { |
| {"SDIO_PLL_OFF", BIT(0)}, |
| {"USB2_PLL_OFF", BIT(1)}, |
| {"AUDIO_PLL_OFF", BIT(2)}, |
| {"OC_PLL_OFF", BIT(3)}, |
| {"MAIN_PLL_OFF", BIT(4)}, |
| {"XOSC_OFF", BIT(5)}, |
| {"LPC_CLKS_GATED", BIT(6)}, |
| {"PCIE_CLKREQS_IDLE", BIT(7)}, |
| {"AUDIO_ROSC_OFF", BIT(8)}, |
| {"HPET_XOSC_CLK_REQ", BIT(9)}, |
| {"PMC_ROSC_SLOW_CLK", BIT(10)}, |
| {"AON2_ROSC_GATED", BIT(11)}, |
| {"CLKACKS_DEASSERTED", BIT(12)}, |
| {} |
| }; |
| |
| const struct pmc_bit_map cnp_slps0_dbg2_map[] = { |
| {"MPHY_CORE_GATED", BIT(0)}, |
| {"CSME_GATED", BIT(1)}, |
| {"USB2_SUS_GATED", BIT(2)}, |
| {"DYN_FLEX_IO_IDLE", BIT(3)}, |
| {"GBE_NO_LINK", BIT(4)}, |
| {"THERM_SEN_DISABLED", BIT(5)}, |
| {"PCIE_LOW_POWER", BIT(6)}, |
| {"ISH_VNNAON_REQ_ACT", BIT(7)}, |
| {"ISH_VNN_REQ_ACT", BIT(8)}, |
| {"CNV_VNNAON_REQ_ACT", BIT(9)}, |
| {"CNV_VNN_REQ_ACT", BIT(10)}, |
| {"NPK_VNNON_REQ_ACT", BIT(11)}, |
| {"PMSYNC_STATE_IDLE", BIT(12)}, |
| {"ALST_GT_THRES", BIT(13)}, |
| {"PMC_ARC_PG_READY", BIT(14)}, |
| {} |
| }; |
| |
| const struct pmc_bit_map *cnp_slps0_dbg_maps[] = { |
| cnp_slps0_dbg0_map, |
| cnp_slps0_dbg1_map, |
| cnp_slps0_dbg2_map, |
| NULL |
| }; |
| |
| const struct pmc_bit_map cnp_ltr_show_map[] = { |
| {"SOUTHPORT_A", CNP_PMC_LTR_SPA}, |
| {"SOUTHPORT_B", CNP_PMC_LTR_SPB}, |
| {"SATA", CNP_PMC_LTR_SATA}, |
| {"GIGABIT_ETHERNET", CNP_PMC_LTR_GBE}, |
| {"XHCI", CNP_PMC_LTR_XHCI}, |
| {"Reserved", CNP_PMC_LTR_RESERVED}, |
| {"ME", CNP_PMC_LTR_ME}, |
| /* EVA is Enterprise Value Add, doesn't really exist on PCH */ |
| {"EVA", CNP_PMC_LTR_EVA}, |
| {"SOUTHPORT_C", CNP_PMC_LTR_SPC}, |
| {"HD_AUDIO", CNP_PMC_LTR_AZ}, |
| {"CNV", CNP_PMC_LTR_CNV}, |
| {"LPSS", CNP_PMC_LTR_LPSS}, |
| {"SOUTHPORT_D", CNP_PMC_LTR_SPD}, |
| {"SOUTHPORT_E", CNP_PMC_LTR_SPE}, |
| {"CAMERA", CNP_PMC_LTR_CAM}, |
| {"ESPI", CNP_PMC_LTR_ESPI}, |
| {"SCC", CNP_PMC_LTR_SCC}, |
| {"ISH", CNP_PMC_LTR_ISH}, |
| {"UFSX2", CNP_PMC_LTR_UFSX2}, |
| {"EMMC", CNP_PMC_LTR_EMMC}, |
| /* |
| * Check intel_pmc_core_ids[] users of cnp_reg_map for |
| * a list of core SoCs using this. |
| */ |
| {"WIGIG", ICL_PMC_LTR_WIGIG}, |
| {"THC0", TGL_PMC_LTR_THC0}, |
| {"THC1", TGL_PMC_LTR_THC1}, |
| /* Below two cannot be used for LTR_IGNORE */ |
| {"CURRENT_PLATFORM", CNP_PMC_LTR_CUR_PLT}, |
| {"AGGREGATED_SYSTEM", CNP_PMC_LTR_CUR_ASLT}, |
| {} |
| }; |
| |
| const struct pmc_reg_map cnp_reg_map = { |
| .pfear_sts = ext_cnp_pfear_map, |
| .slp_s0_offset = CNP_PMC_SLP_S0_RES_COUNTER_OFFSET, |
| .slp_s0_res_counter_step = SPT_PMC_SLP_S0_RES_COUNTER_STEP, |
| .slps0_dbg_maps = cnp_slps0_dbg_maps, |
| .ltr_show_sts = cnp_ltr_show_map, |
| .msr_sts = msr_map, |
| .slps0_dbg_offset = CNP_PMC_SLPS0_DBG_OFFSET, |
| .ltr_ignore_offset = CNP_PMC_LTR_IGNORE_OFFSET, |
| .regmap_length = CNP_PMC_MMIO_REG_LEN, |
| .ppfear0_offset = CNP_PMC_HOST_PPFEAR0A, |
| .ppfear_buckets = CNP_PPFEAR_NUM_ENTRIES, |
| .pm_cfg_offset = CNP_PMC_PM_CFG_OFFSET, |
| .pm_read_disable_bit = CNP_PMC_READ_DISABLE_BIT, |
| .ltr_ignore_max = CNP_NUM_IP_IGN_ALLOWED, |
| .etr3_offset = ETR3_OFFSET, |
| }; |
| |
| void cnl_suspend(struct pmc_dev *pmcdev) |
| { |
| /* |
| * Due to a hardware limitation, the GBE LTR blocks PC10 |
| * when a cable is attached. To unblock PC10 during suspend, |
| * tell the PMC to ignore it. |
| */ |
| pmc_core_send_ltr_ignore(pmcdev, 3, 1); |
| } |
| |
| int cnl_resume(struct pmc_dev *pmcdev) |
| { |
| pmc_core_send_ltr_ignore(pmcdev, 3, 0); |
| |
| return pmc_core_resume_common(pmcdev); |
| } |
| |
| int cnp_core_init(struct pmc_dev *pmcdev) |
| { |
| struct pmc *pmc = pmcdev->pmcs[PMC_IDX_MAIN]; |
| int ret; |
| |
| pmcdev->suspend = cnl_suspend; |
| pmcdev->resume = cnl_resume; |
| |
| pmc->map = &cnp_reg_map; |
| ret = get_primary_reg_base(pmc); |
| if (ret) |
| return ret; |
| |
| pmc_core_get_low_power_modes(pmcdev); |
| |
| return 0; |
| } |
