xref: /openbmc/linux/drivers/platform/x86/intel/pmc/spt.c (revision 078b39c9)
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * This file contains platform specific structure definitions
4  * and init function used by Sunrise Point 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 spt_pll_map[] = {
14 	{"MIPI PLL",			SPT_PMC_BIT_MPHY_CMN_LANE0},
15 	{"GEN2 USB2PCIE2 PLL",		SPT_PMC_BIT_MPHY_CMN_LANE1},
16 	{"DMIPCIE3 PLL",		SPT_PMC_BIT_MPHY_CMN_LANE2},
17 	{"SATA PLL",			SPT_PMC_BIT_MPHY_CMN_LANE3},
18 	{}
19 };
20 
21 const struct pmc_bit_map spt_mphy_map[] = {
22 	{"MPHY CORE LANE 0",           SPT_PMC_BIT_MPHY_LANE0},
23 	{"MPHY CORE LANE 1",           SPT_PMC_BIT_MPHY_LANE1},
24 	{"MPHY CORE LANE 2",           SPT_PMC_BIT_MPHY_LANE2},
25 	{"MPHY CORE LANE 3",           SPT_PMC_BIT_MPHY_LANE3},
26 	{"MPHY CORE LANE 4",           SPT_PMC_BIT_MPHY_LANE4},
27 	{"MPHY CORE LANE 5",           SPT_PMC_BIT_MPHY_LANE5},
28 	{"MPHY CORE LANE 6",           SPT_PMC_BIT_MPHY_LANE6},
29 	{"MPHY CORE LANE 7",           SPT_PMC_BIT_MPHY_LANE7},
30 	{"MPHY CORE LANE 8",           SPT_PMC_BIT_MPHY_LANE8},
31 	{"MPHY CORE LANE 9",           SPT_PMC_BIT_MPHY_LANE9},
32 	{"MPHY CORE LANE 10",          SPT_PMC_BIT_MPHY_LANE10},
33 	{"MPHY CORE LANE 11",          SPT_PMC_BIT_MPHY_LANE11},
34 	{"MPHY CORE LANE 12",          SPT_PMC_BIT_MPHY_LANE12},
35 	{"MPHY CORE LANE 13",          SPT_PMC_BIT_MPHY_LANE13},
36 	{"MPHY CORE LANE 14",          SPT_PMC_BIT_MPHY_LANE14},
37 	{"MPHY CORE LANE 15",          SPT_PMC_BIT_MPHY_LANE15},
38 	{}
39 };
40 
41 const struct pmc_bit_map spt_pfear_map[] = {
42 	{"PMC",				SPT_PMC_BIT_PMC},
43 	{"OPI-DMI",			SPT_PMC_BIT_OPI},
44 	{"SPI / eSPI",			SPT_PMC_BIT_SPI},
45 	{"XHCI",			SPT_PMC_BIT_XHCI},
46 	{"SPA",				SPT_PMC_BIT_SPA},
47 	{"SPB",				SPT_PMC_BIT_SPB},
48 	{"SPC",				SPT_PMC_BIT_SPC},
49 	{"GBE",				SPT_PMC_BIT_GBE},
50 	{"SATA",			SPT_PMC_BIT_SATA},
51 	{"HDA-PGD0",			SPT_PMC_BIT_HDA_PGD0},
52 	{"HDA-PGD1",			SPT_PMC_BIT_HDA_PGD1},
53 	{"HDA-PGD2",			SPT_PMC_BIT_HDA_PGD2},
54 	{"HDA-PGD3",			SPT_PMC_BIT_HDA_PGD3},
55 	{"RSVD",			SPT_PMC_BIT_RSVD_0B},
56 	{"LPSS",			SPT_PMC_BIT_LPSS},
57 	{"LPC",				SPT_PMC_BIT_LPC},
58 	{"SMB",				SPT_PMC_BIT_SMB},
59 	{"ISH",				SPT_PMC_BIT_ISH},
60 	{"P2SB",			SPT_PMC_BIT_P2SB},
61 	{"DFX",				SPT_PMC_BIT_DFX},
62 	{"SCC",				SPT_PMC_BIT_SCC},
63 	{"RSVD",			SPT_PMC_BIT_RSVD_0C},
64 	{"FUSE",			SPT_PMC_BIT_FUSE},
65 	{"CAMERA",			SPT_PMC_BIT_CAMREA},
66 	{"RSVD",			SPT_PMC_BIT_RSVD_0D},
67 	{"USB3-OTG",			SPT_PMC_BIT_USB3_OTG},
68 	{"EXI",				SPT_PMC_BIT_EXI},
69 	{"CSE",				SPT_PMC_BIT_CSE},
70 	{"CSME_KVM",			SPT_PMC_BIT_CSME_KVM},
71 	{"CSME_PMT",			SPT_PMC_BIT_CSME_PMT},
72 	{"CSME_CLINK",			SPT_PMC_BIT_CSME_CLINK},
73 	{"CSME_PTIO",			SPT_PMC_BIT_CSME_PTIO},
74 	{"CSME_USBR",			SPT_PMC_BIT_CSME_USBR},
75 	{"CSME_SUSRAM",			SPT_PMC_BIT_CSME_SUSRAM},
76 	{"CSME_SMT",			SPT_PMC_BIT_CSME_SMT},
77 	{"RSVD",			SPT_PMC_BIT_RSVD_1A},
78 	{"CSME_SMS2",			SPT_PMC_BIT_CSME_SMS2},
79 	{"CSME_SMS1",			SPT_PMC_BIT_CSME_SMS1},
80 	{"CSME_RTC",			SPT_PMC_BIT_CSME_RTC},
81 	{"CSME_PSF",			SPT_PMC_BIT_CSME_PSF},
82 	{}
83 };
84 
85 const struct pmc_bit_map *ext_spt_pfear_map[] = {
86 	/*
87 	 * Check intel_pmc_core_ids[] users of spt_reg_map for
88 	 * a list of core SoCs using this.
89 	 */
90 	spt_pfear_map,
91 	NULL
92 };
93 
94 const struct pmc_bit_map spt_ltr_show_map[] = {
95 	{"SOUTHPORT_A",		SPT_PMC_LTR_SPA},
96 	{"SOUTHPORT_B",		SPT_PMC_LTR_SPB},
97 	{"SATA",		SPT_PMC_LTR_SATA},
98 	{"GIGABIT_ETHERNET",	SPT_PMC_LTR_GBE},
99 	{"XHCI",		SPT_PMC_LTR_XHCI},
100 	{"Reserved",		SPT_PMC_LTR_RESERVED},
101 	{"ME",			SPT_PMC_LTR_ME},
102 	/* EVA is Enterprise Value Add, doesn't really exist on PCH */
103 	{"EVA",			SPT_PMC_LTR_EVA},
104 	{"SOUTHPORT_C",		SPT_PMC_LTR_SPC},
105 	{"HD_AUDIO",		SPT_PMC_LTR_AZ},
106 	{"LPSS",		SPT_PMC_LTR_LPSS},
107 	{"SOUTHPORT_D",		SPT_PMC_LTR_SPD},
108 	{"SOUTHPORT_E",		SPT_PMC_LTR_SPE},
109 	{"CAMERA",		SPT_PMC_LTR_CAM},
110 	{"ESPI",		SPT_PMC_LTR_ESPI},
111 	{"SCC",			SPT_PMC_LTR_SCC},
112 	{"ISH",			SPT_PMC_LTR_ISH},
113 	/* Below two cannot be used for LTR_IGNORE */
114 	{"CURRENT_PLATFORM",	SPT_PMC_LTR_CUR_PLT},
115 	{"AGGREGATED_SYSTEM",	SPT_PMC_LTR_CUR_ASLT},
116 	{}
117 };
118 
119 const struct pmc_reg_map spt_reg_map = {
120 	.pfear_sts = ext_spt_pfear_map,
121 	.mphy_sts = spt_mphy_map,
122 	.pll_sts = spt_pll_map,
123 	.ltr_show_sts = spt_ltr_show_map,
124 	.msr_sts = msr_map,
125 	.slp_s0_offset = SPT_PMC_SLP_S0_RES_COUNTER_OFFSET,
126 	.slp_s0_res_counter_step = SPT_PMC_SLP_S0_RES_COUNTER_STEP,
127 	.ltr_ignore_offset = SPT_PMC_LTR_IGNORE_OFFSET,
128 	.regmap_length = SPT_PMC_MMIO_REG_LEN,
129 	.ppfear0_offset = SPT_PMC_XRAM_PPFEAR0A,
130 	.ppfear_buckets = SPT_PPFEAR_NUM_ENTRIES,
131 	.pm_cfg_offset = SPT_PMC_PM_CFG_OFFSET,
132 	.pm_read_disable_bit = SPT_PMC_READ_DISABLE_BIT,
133 	.ltr_ignore_max = SPT_NUM_IP_IGN_ALLOWED,
134 	.pm_vric1_offset = SPT_PMC_VRIC1_OFFSET,
135 };
136 
137 int spt_core_init(struct pmc_dev *pmcdev)
138 {
139 	struct pmc *pmc = pmcdev->pmcs[PMC_IDX_MAIN];
140 
141 	pmc->map = &spt_reg_map;
142 	return get_primary_reg_base(pmc);
143 }
144