Angel Pons | 32abdd6 | 2020-04-05 15:47:03 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
Aamir Bohra | 3ee54bb | 2018-10-17 11:55:01 +0530 | [diff] [blame] | 2 | |
Furquan Shaikh | 76cedd2 | 2020-05-02 10:24:23 -0700 | [diff] [blame] | 3 | #include <acpi/acpi.h> |
Kyösti Mälkki | 0c1dd9c | 2020-06-17 23:37:49 +0300 | [diff] [blame] | 4 | #include <acpi/acpi_gnvs.h> |
Furquan Shaikh | 76cedd2 | 2020-05-02 10:24:23 -0700 | [diff] [blame] | 5 | #include <acpi/acpigen.h> |
Kyösti Mälkki | 13f6650 | 2019-03-03 08:01:05 +0200 | [diff] [blame] | 6 | #include <device/mmio.h> |
Aamir Bohra | 3ee54bb | 2018-10-17 11:55:01 +0530 | [diff] [blame] | 7 | #include <arch/smp/mpspec.h> |
Aamir Bohra | 3ee54bb | 2018-10-17 11:55:01 +0530 | [diff] [blame] | 8 | #include <intelblocks/cpulib.h> |
| 9 | #include <intelblocks/pmclib.h> |
| 10 | #include <intelblocks/acpi.h> |
| 11 | #include <soc/cpu.h> |
| 12 | #include <soc/iomap.h> |
| 13 | #include <soc/nvs.h> |
| 14 | #include <soc/pci_devs.h> |
| 15 | #include <soc/pm.h> |
Subrata Banik | df29d23 | 2019-07-05 16:00:38 +0530 | [diff] [blame] | 16 | #include <soc/soc_chip.h> |
Subrata Banik | b6df6b0 | 2020-01-03 15:29:02 +0530 | [diff] [blame] | 17 | #include <soc/systemagent.h> |
Aamir Bohra | 3ee54bb | 2018-10-17 11:55:01 +0530 | [diff] [blame] | 18 | #include <string.h> |
Aamir Bohra | 3ee54bb | 2018-10-17 11:55:01 +0530 | [diff] [blame] | 19 | |
| 20 | /* |
| 21 | * List of supported C-states in this processor. |
| 22 | */ |
| 23 | enum { |
| 24 | C_STATE_C0, /* 0 */ |
| 25 | C_STATE_C1, /* 1 */ |
| 26 | C_STATE_C1E, /* 2 */ |
| 27 | C_STATE_C6_SHORT_LAT, /* 3 */ |
| 28 | C_STATE_C6_LONG_LAT, /* 4 */ |
| 29 | C_STATE_C7_SHORT_LAT, /* 5 */ |
| 30 | C_STATE_C7_LONG_LAT, /* 6 */ |
| 31 | C_STATE_C7S_SHORT_LAT, /* 7 */ |
| 32 | C_STATE_C7S_LONG_LAT, /* 8 */ |
| 33 | C_STATE_C8, /* 9 */ |
| 34 | C_STATE_C9, /* 10 */ |
| 35 | C_STATE_C10, /* 11 */ |
| 36 | NUM_C_STATES |
| 37 | }; |
| 38 | |
Aamir Bohra | 3ee54bb | 2018-10-17 11:55:01 +0530 | [diff] [blame] | 39 | static const acpi_cstate_t cstate_map[NUM_C_STATES] = { |
| 40 | [C_STATE_C0] = {}, |
| 41 | [C_STATE_C1] = { |
| 42 | .latency = 0, |
| 43 | .power = C1_POWER, |
| 44 | .resource = MWAIT_RES(0, 0), |
| 45 | }, |
| 46 | [C_STATE_C1E] = { |
| 47 | .latency = 0, |
| 48 | .power = C1_POWER, |
| 49 | .resource = MWAIT_RES(0, 1), |
| 50 | }, |
| 51 | [C_STATE_C6_SHORT_LAT] = { |
| 52 | .latency = C_STATE_LATENCY_FROM_LAT_REG(0), |
| 53 | .power = C6_POWER, |
| 54 | .resource = MWAIT_RES(2, 0), |
| 55 | }, |
| 56 | [C_STATE_C6_LONG_LAT] = { |
| 57 | .latency = C_STATE_LATENCY_FROM_LAT_REG(0), |
| 58 | .power = C6_POWER, |
| 59 | .resource = MWAIT_RES(2, 1), |
| 60 | }, |
| 61 | [C_STATE_C7_SHORT_LAT] = { |
| 62 | .latency = C_STATE_LATENCY_FROM_LAT_REG(0), |
| 63 | .power = C7_POWER, |
| 64 | .resource = MWAIT_RES(3, 0), |
| 65 | }, |
| 66 | [C_STATE_C7_LONG_LAT] = { |
| 67 | .latency = C_STATE_LATENCY_FROM_LAT_REG(0), |
| 68 | .power = C7_POWER, |
| 69 | .resource = MWAIT_RES(3, 1), |
| 70 | }, |
| 71 | [C_STATE_C7S_SHORT_LAT] = { |
| 72 | .latency = C_STATE_LATENCY_FROM_LAT_REG(0), |
| 73 | .power = C7_POWER, |
| 74 | .resource = MWAIT_RES(3, 2), |
| 75 | }, |
| 76 | [C_STATE_C7S_LONG_LAT] = { |
| 77 | .latency = C_STATE_LATENCY_FROM_LAT_REG(0), |
| 78 | .power = C7_POWER, |
| 79 | .resource = MWAIT_RES(3, 3), |
| 80 | }, |
| 81 | [C_STATE_C8] = { |
| 82 | .latency = C_STATE_LATENCY_FROM_LAT_REG(0), |
| 83 | .power = C8_POWER, |
| 84 | .resource = MWAIT_RES(4, 0), |
| 85 | }, |
| 86 | [C_STATE_C9] = { |
| 87 | .latency = C_STATE_LATENCY_FROM_LAT_REG(0), |
| 88 | .power = C9_POWER, |
| 89 | .resource = MWAIT_RES(5, 0), |
| 90 | }, |
| 91 | [C_STATE_C10] = { |
| 92 | .latency = C_STATE_LATENCY_FROM_LAT_REG(0), |
| 93 | .power = C10_POWER, |
| 94 | .resource = MWAIT_RES(6, 0), |
| 95 | }, |
| 96 | }; |
| 97 | |
Subrata Banik | 3f559d96 | 2019-01-30 18:44:09 +0530 | [diff] [blame] | 98 | static int cstate_set_non_s0ix[] = { |
Aamir Bohra | 3ee54bb | 2018-10-17 11:55:01 +0530 | [diff] [blame] | 99 | C_STATE_C1E, |
| 100 | C_STATE_C6_LONG_LAT, |
| 101 | C_STATE_C7S_LONG_LAT |
| 102 | }; |
| 103 | |
Subrata Banik | 3f559d96 | 2019-01-30 18:44:09 +0530 | [diff] [blame] | 104 | static int cstate_set_s0ix[] = { |
Aamir Bohra | 3ee54bb | 2018-10-17 11:55:01 +0530 | [diff] [blame] | 105 | C_STATE_C1E, |
| 106 | C_STATE_C7S_LONG_LAT, |
| 107 | C_STATE_C10 |
| 108 | }; |
| 109 | |
Angel Pons | e9f10ff | 2021-10-17 13:28:23 +0200 | [diff] [blame] | 110 | const acpi_cstate_t *soc_get_cstate_map(size_t *entries) |
Aamir Bohra | 3ee54bb | 2018-10-17 11:55:01 +0530 | [diff] [blame] | 111 | { |
| 112 | static acpi_cstate_t map[MAX(ARRAY_SIZE(cstate_set_s0ix), |
| 113 | ARRAY_SIZE(cstate_set_non_s0ix))]; |
| 114 | int *set; |
| 115 | int i; |
Kyösti Mälkki | 28dc7dc | 2019-07-12 13:10:19 +0300 | [diff] [blame] | 116 | |
Kyösti Mälkki | d5f645c | 2019-09-28 00:20:27 +0300 | [diff] [blame] | 117 | config_t *config = config_of_soc(); |
Kyösti Mälkki | 28dc7dc | 2019-07-12 13:10:19 +0300 | [diff] [blame] | 118 | |
Aamir Bohra | 3ee54bb | 2018-10-17 11:55:01 +0530 | [diff] [blame] | 119 | int is_s0ix_enable = config->s0ix_enable; |
| 120 | |
| 121 | if (is_s0ix_enable) { |
| 122 | *entries = ARRAY_SIZE(cstate_set_s0ix); |
| 123 | set = cstate_set_s0ix; |
| 124 | } else { |
| 125 | *entries = ARRAY_SIZE(cstate_set_non_s0ix); |
| 126 | set = cstate_set_non_s0ix; |
| 127 | } |
| 128 | |
| 129 | for (i = 0; i < *entries; i++) { |
Angel Pons | 14643b3 | 2021-10-17 13:21:05 +0200 | [diff] [blame] | 130 | map[i] = cstate_map[set[i]]; |
Aamir Bohra | 3ee54bb | 2018-10-17 11:55:01 +0530 | [diff] [blame] | 131 | map[i].ctype = i + 1; |
| 132 | } |
| 133 | return map; |
| 134 | } |
| 135 | |
| 136 | void soc_power_states_generation(int core_id, int cores_per_package) |
| 137 | { |
Kyösti Mälkki | d5f645c | 2019-09-28 00:20:27 +0300 | [diff] [blame] | 138 | config_t *config = config_of_soc(); |
Kyösti Mälkki | 28dc7dc | 2019-07-12 13:10:19 +0300 | [diff] [blame] | 139 | |
Aamir Bohra | 3ee54bb | 2018-10-17 11:55:01 +0530 | [diff] [blame] | 140 | if (config->eist_enable) |
| 141 | /* Generate P-state tables */ |
| 142 | generate_p_state_entries(core_id, cores_per_package); |
| 143 | } |
| 144 | |
| 145 | void soc_fill_fadt(acpi_fadt_t *fadt) |
| 146 | { |
| 147 | const uint16_t pmbase = ACPI_BASE_ADDRESS; |
Kyösti Mälkki | 28dc7dc | 2019-07-12 13:10:19 +0300 | [diff] [blame] | 148 | |
Kyösti Mälkki | d5f645c | 2019-09-28 00:20:27 +0300 | [diff] [blame] | 149 | config_t *config = config_of_soc(); |
Aamir Bohra | 3ee54bb | 2018-10-17 11:55:01 +0530 | [diff] [blame] | 150 | |
Meera Ravindranath | 48c7870 | 2019-12-12 10:37:49 +0530 | [diff] [blame] | 151 | fadt->pm_tmr_blk = pmbase + PM1_TMR; |
| 152 | fadt->pm_tmr_len = 4; |
Elyes HAOUAS | 04071f4 | 2020-07-20 17:05:24 +0200 | [diff] [blame] | 153 | fadt->x_pm_tmr_blk.space_id = ACPI_ADDRESS_SPACE_IO; |
Meera Ravindranath | 48c7870 | 2019-12-12 10:37:49 +0530 | [diff] [blame] | 154 | fadt->x_pm_tmr_blk.bit_width = fadt->pm_tmr_len * 8; |
| 155 | fadt->x_pm_tmr_blk.bit_offset = 0; |
Patrick Rudolph | c02bda0 | 2020-02-28 10:19:41 +0100 | [diff] [blame] | 156 | fadt->x_pm_tmr_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS; |
Meera Ravindranath | 48c7870 | 2019-12-12 10:37:49 +0530 | [diff] [blame] | 157 | fadt->x_pm_tmr_blk.addrl = pmbase + PM1_TMR; |
| 158 | fadt->x_pm_tmr_blk.addrh = 0x0; |
Aamir Bohra | 3ee54bb | 2018-10-17 11:55:01 +0530 | [diff] [blame] | 159 | |
| 160 | if (config->s0ix_enable) |
| 161 | fadt->flags |= ACPI_FADT_LOW_PWR_IDLE_S0; |
| 162 | } |
| 163 | uint32_t soc_read_sci_irq_select(void) |
| 164 | { |
Angel Pons | f585c6e | 2021-06-25 10:09:35 +0200 | [diff] [blame] | 165 | return read32p(soc_read_pmc_base() + IRQ_REG); |
Aamir Bohra | 3ee54bb | 2018-10-17 11:55:01 +0530 | [diff] [blame] | 166 | } |
| 167 | |
Kyösti Mälkki | c2b0a4f | 2020-06-28 22:39:59 +0300 | [diff] [blame] | 168 | void soc_fill_gnvs(struct global_nvs *gnvs) |
Aamir Bohra | 3ee54bb | 2018-10-17 11:55:01 +0530 | [diff] [blame] | 169 | { |
Kyösti Mälkki | d5f645c | 2019-09-28 00:20:27 +0300 | [diff] [blame] | 170 | config_t *config = config_of_soc(); |
Aamir Bohra | 3ee54bb | 2018-10-17 11:55:01 +0530 | [diff] [blame] | 171 | |
Aamir Bohra | 3ee54bb | 2018-10-17 11:55:01 +0530 | [diff] [blame] | 172 | /* Enable DPTF based on mainboard configuration */ |
| 173 | gnvs->dpte = config->dptf_enable; |
| 174 | |
Aamir Bohra | 3ee54bb | 2018-10-17 11:55:01 +0530 | [diff] [blame] | 175 | /* Set USB2/USB3 wake enable bitmaps. */ |
| 176 | gnvs->u2we = config->usb2_wake_enable_bitmap; |
| 177 | gnvs->u3we = config->usb3_wake_enable_bitmap; |
Subrata Banik | b6df6b0 | 2020-01-03 15:29:02 +0530 | [diff] [blame] | 178 | |
| 179 | /* Fill in Above 4GB MMIO resource */ |
| 180 | sa_fill_gnvs(gnvs); |
Aamir Bohra | 3ee54bb | 2018-10-17 11:55:01 +0530 | [diff] [blame] | 181 | } |
| 182 | |
Aamir Bohra | 3ee54bb | 2018-10-17 11:55:01 +0530 | [diff] [blame] | 183 | int soc_madt_sci_irq_polarity(int sci) |
| 184 | { |
| 185 | return MP_IRQ_POLARITY_HIGH; |
| 186 | } |