1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * This file contains platform specific structure definitions
4 * and init function used by Ice Lake PCH.
5 *
6 * Copyright (c) 2022, Intel Corporation.
7 * All Rights Reserved.
8 *
9 */
10
11 #include "core.h"
12
13 const struct pmc_bit_map icl_pfear_map[] = {
14 {"RES_65", BIT(0)},
15 {"RES_66", BIT(1)},
16 {"RES_67", BIT(2)},
17 {"TAM", BIT(3)},
18 {"GBETSN", BIT(4)},
19 {"TBTLSX", BIT(5)},
20 {"RES_71", BIT(6)},
21 {"RES_72", BIT(7)},
22 {}
23 };
24
25 const struct pmc_bit_map *ext_icl_pfear_map[] = {
26 /*
27 * Check intel_pmc_core_ids[] users of icl_reg_map for
28 * a list of core SoCs using this.
29 */
30 cnp_pfear_map,
31 icl_pfear_map,
32 NULL
33 };
34
35 const struct pmc_reg_map icl_reg_map = {
36 .pfear_sts = ext_icl_pfear_map,
37 .slp_s0_offset = CNP_PMC_SLP_S0_RES_COUNTER_OFFSET,
38 .slp_s0_res_counter_step = ICL_PMC_SLP_S0_RES_COUNTER_STEP,
39 .slps0_dbg_maps = cnp_slps0_dbg_maps,
40 .ltr_show_sts = cnp_ltr_show_map,
41 .msr_sts = msr_map,
42 .slps0_dbg_offset = CNP_PMC_SLPS0_DBG_OFFSET,
43 .ltr_ignore_offset = CNP_PMC_LTR_IGNORE_OFFSET,
44 .regmap_length = CNP_PMC_MMIO_REG_LEN,
45 .ppfear0_offset = CNP_PMC_HOST_PPFEAR0A,
46 .ppfear_buckets = ICL_PPFEAR_NUM_ENTRIES,
47 .pm_cfg_offset = CNP_PMC_PM_CFG_OFFSET,
48 .pm_read_disable_bit = CNP_PMC_READ_DISABLE_BIT,
49 .ltr_ignore_max = ICL_NUM_IP_IGN_ALLOWED,
50 .etr3_offset = ETR3_OFFSET,
51 };
52
icl_core_init(struct pmc_dev * pmcdev)53 int icl_core_init(struct pmc_dev *pmcdev)
54 {
55 struct pmc *pmc = pmcdev->pmcs[PMC_IDX_MAIN];
56 int ret;
57
58 pmc->map = &icl_reg_map;
59
60 ret = get_primary_reg_base(pmc);
61 if (ret)
62 return ret;
63
64 pmc_core_get_low_power_modes(pmcdev);
65
66 return ret;
67 }
68