Felix Held | 3c44c62 | 2022-01-10 20:57:29 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | |
| 3 | /* TODO: Check if this is still correct */ |
| 4 | |
| 5 | /* ACPI - create the Fixed ACPI Description Tables (FADT) */ |
| 6 | |
| 7 | #include <acpi/acpi.h> |
| 8 | #include <acpi/acpigen.h> |
| 9 | #include <amdblocks/acpi.h> |
Felix Held | 665476d | 2022-08-03 22:18:18 +0200 | [diff] [blame] | 10 | #include <amdblocks/cppc.h> |
Felix Held | 3c44c62 | 2022-01-10 20:57:29 +0100 | [diff] [blame] | 11 | #include <amdblocks/cpu.h> |
| 12 | #include <amdblocks/acpimmio.h> |
| 13 | #include <amdblocks/ioapic.h> |
| 14 | #include <arch/ioapic.h> |
| 15 | #include <arch/smp/mpspec.h> |
| 16 | #include <console/console.h> |
| 17 | #include <cpu/amd/cpuid.h> |
Felix Held | 3c44c62 | 2022-01-10 20:57:29 +0100 | [diff] [blame] | 18 | #include <cpu/x86/smm.h> |
| 19 | #include <soc/acpi.h> |
| 20 | #include <soc/iomap.h> |
Felix Held | 3c44c62 | 2022-01-10 20:57:29 +0100 | [diff] [blame] | 21 | #include <types.h> |
| 22 | #include "chip.h" |
Felix Held | 3c44c62 | 2022-01-10 20:57:29 +0100 | [diff] [blame] | 23 | |
| 24 | unsigned long acpi_fill_madt(unsigned long current) |
| 25 | { |
| 26 | /* create all subtables for processors */ |
Kyösti Mälkki | 66b5e1b | 2022-11-12 21:13:45 +0200 | [diff] [blame] | 27 | current = acpi_create_madt_lapics_with_nmis(current); |
Felix Held | 3c44c62 | 2022-01-10 20:57:29 +0100 | [diff] [blame] | 28 | |
Kyösti Mälkki | 2e65e9c | 2021-06-16 11:00:40 +0300 | [diff] [blame] | 29 | current += acpi_create_madt_ioapic_from_hw((acpi_madt_ioapic_t *)current, IO_APIC_ADDR); |
Felix Held | 3c44c62 | 2022-01-10 20:57:29 +0100 | [diff] [blame] | 30 | |
Kyösti Mälkki | 2e65e9c | 2021-06-16 11:00:40 +0300 | [diff] [blame] | 31 | current += acpi_create_madt_ioapic_from_hw((acpi_madt_ioapic_t *)current, |
| 32 | GNB_IO_APIC_ADDR); |
Felix Held | 3c44c62 | 2022-01-10 20:57:29 +0100 | [diff] [blame] | 33 | |
| 34 | /* PIT is connected to legacy IRQ 0, but IOAPIC GSI 2 */ |
| 35 | current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)current, |
| 36 | MP_BUS_ISA, 0, 2, |
| 37 | MP_IRQ_TRIGGER_DEFAULT | MP_IRQ_POLARITY_DEFAULT); |
| 38 | /* SCI IRQ type override */ |
| 39 | current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)current, |
| 40 | MP_BUS_ISA, ACPI_SCI_IRQ, ACPI_SCI_IRQ, |
| 41 | MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW); |
| 42 | current = acpi_fill_madt_irqoverride(current); |
| 43 | |
Felix Held | 3c44c62 | 2022-01-10 20:57:29 +0100 | [diff] [blame] | 44 | return current; |
| 45 | } |
| 46 | |
| 47 | /* |
| 48 | * Reference section 5.2.9 Fixed ACPI Description Table (FADT) |
| 49 | * in the ACPI 3.0b specification. |
| 50 | */ |
| 51 | void acpi_fill_fadt(acpi_fadt_t *fadt) |
| 52 | { |
Jon Murphy | 4f73242 | 2022-08-05 15:43:44 -0600 | [diff] [blame] | 53 | const struct soc_amd_mendocino_config *cfg = config_of_soc(); |
Felix Held | 3c44c62 | 2022-01-10 20:57:29 +0100 | [diff] [blame] | 54 | |
| 55 | printk(BIOS_DEBUG, "pm_base: 0x%04x\n", ACPI_IO_BASE); |
| 56 | |
| 57 | fadt->sci_int = ACPI_SCI_IRQ; |
| 58 | |
| 59 | if (permanent_smi_handler()) { |
| 60 | fadt->smi_cmd = APM_CNT; |
| 61 | fadt->acpi_enable = APM_CNT_ACPI_ENABLE; |
| 62 | fadt->acpi_disable = APM_CNT_ACPI_DISABLE; |
| 63 | } |
| 64 | |
Felix Held | 3c44c62 | 2022-01-10 20:57:29 +0100 | [diff] [blame] | 65 | fadt->pm1a_evt_blk = ACPI_PM_EVT_BLK; |
| 66 | fadt->pm1a_cnt_blk = ACPI_PM1_CNT_BLK; |
| 67 | fadt->pm_tmr_blk = ACPI_PM_TMR_BLK; |
| 68 | fadt->gpe0_blk = ACPI_GPE0_BLK; |
| 69 | |
| 70 | fadt->pm1_evt_len = 4; /* 32 bits */ |
| 71 | fadt->pm1_cnt_len = 2; /* 16 bits */ |
| 72 | fadt->pm_tmr_len = 4; /* 32 bits */ |
| 73 | fadt->gpe0_blk_len = 8; /* 64 bits */ |
| 74 | |
Felix Held | 164c5ed | 2022-10-18 00:11:48 +0200 | [diff] [blame] | 75 | fill_fadt_extended_pm_regs(fadt); |
| 76 | |
Felix Held | 54c80e1 | 2023-02-21 17:59:42 +0100 | [diff] [blame] | 77 | /* p_lvl2_lat and p_lvl3_lat match what the AGESA code does, but those values are |
| 78 | overridden by the _CST packages in the processor devices. */ |
Felix Held | 3c44c62 | 2022-01-10 20:57:29 +0100 | [diff] [blame] | 79 | fadt->p_lvl2_lat = ACPI_FADT_C2_NOT_SUPPORTED; |
| 80 | fadt->p_lvl3_lat = ACPI_FADT_C3_NOT_SUPPORTED; |
Felix Held | 3c44c62 | 2022-01-10 20:57:29 +0100 | [diff] [blame] | 81 | fadt->day_alrm = RTC_DATE_ALARM; |
Felix Held | 3c44c62 | 2022-01-10 20:57:29 +0100 | [diff] [blame] | 82 | fadt->century = RTC_ALT_CENTURY; |
| 83 | fadt->iapc_boot_arch = cfg->common_config.fadt_boot_arch; /* legacy free default */ |
| 84 | fadt->flags |= ACPI_FADT_WBINVD | /* See table 5-34 ACPI 6.3 spec */ |
| 85 | ACPI_FADT_C1_SUPPORTED | |
| 86 | ACPI_FADT_S4_RTC_WAKE | |
| 87 | ACPI_FADT_32BIT_TIMER | |
| 88 | ACPI_FADT_PCI_EXPRESS_WAKE | |
| 89 | ACPI_FADT_PLATFORM_CLOCK | |
| 90 | ACPI_FADT_S4_RTC_VALID | |
| 91 | ACPI_FADT_REMOTE_POWER_ON; |
| 92 | if (cfg->s0ix_enable) |
| 93 | fadt->flags |= ACPI_FADT_LOW_PWR_IDLE_S0; |
| 94 | |
| 95 | fadt->flags |= cfg->common_config.fadt_flags; /* additional board-specific flags */ |
Felix Held | 3c44c62 | 2022-01-10 20:57:29 +0100 | [diff] [blame] | 96 | } |
| 97 | |
Felix Held | e23c425 | 2023-03-07 00:03:46 +0100 | [diff] [blame] | 98 | const acpi_cstate_t cstate_cfg_table[] = { |
| 99 | [0] = { |
| 100 | .ctype = 1, |
| 101 | .latency = 1, |
| 102 | .power = 0, |
| 103 | }, |
| 104 | [1] = { |
| 105 | .ctype = 2, |
| 106 | .latency = 0x12, |
| 107 | .power = 0, |
| 108 | }, |
| 109 | [2] = { |
| 110 | .ctype = 3, |
| 111 | .latency = 350, |
| 112 | .power = 0, |
| 113 | }, |
| 114 | }; |
| 115 | |
| 116 | const acpi_cstate_t *get_cstate_config_data(size_t *size) |
| 117 | { |
| 118 | *size = ARRAY_SIZE(cstate_cfg_table); |
| 119 | return cstate_cfg_table; |
| 120 | } |