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// 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;
}
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