Felix Held | 8602495 | 2021-02-03 23:44:28 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | |
| 3 | /* ACPI - create the Fixed ACPI Description Tables (FADT) */ |
| 4 | |
| 5 | #include <acpi/acpi.h> |
Jason Glenesk | 79542fa | 2021-03-10 03:50:57 -0800 | [diff] [blame] | 6 | #include <acpi/acpigen.h> |
Raul E Rangel | 12c6a58 | 2021-02-10 16:45:49 -0700 | [diff] [blame] | 7 | #include <amdblocks/acpi.h> |
Felix Held | 8f7f4bf | 2022-08-03 22:10:05 +0200 | [diff] [blame] | 8 | #include <amdblocks/cppc.h> |
Jason Glenesk | 79542fa | 2021-03-10 03:50:57 -0800 | [diff] [blame] | 9 | #include <amdblocks/cpu.h> |
Raul E Rangel | 12c6a58 | 2021-02-10 16:45:49 -0700 | [diff] [blame] | 10 | #include <amdblocks/acpimmio.h> |
Raul E Rangel | 65819cd | 2021-02-16 10:37:46 -0700 | [diff] [blame] | 11 | #include <amdblocks/ioapic.h> |
| 12 | #include <arch/ioapic.h> |
Raul E Rangel | 12c6a58 | 2021-02-10 16:45:49 -0700 | [diff] [blame] | 13 | #include <arch/smp/mpspec.h> |
| 14 | #include <console/console.h> |
Jason Glenesk | 79542fa | 2021-03-10 03:50:57 -0800 | [diff] [blame] | 15 | #include <cpu/amd/cpuid.h> |
Raul E Rangel | 12c6a58 | 2021-02-10 16:45:49 -0700 | [diff] [blame] | 16 | #include <cpu/x86/smm.h> |
| 17 | #include <soc/acpi.h> |
| 18 | #include <soc/iomap.h> |
| 19 | #include <types.h> |
| 20 | #include "chip.h" |
Felix Held | 8602495 | 2021-02-03 23:44:28 +0100 | [diff] [blame] | 21 | |
| 22 | unsigned long acpi_fill_madt(unsigned long current) |
| 23 | { |
Kyösti Mälkki | 2e65e9c | 2021-06-16 11:00:40 +0300 | [diff] [blame] | 24 | current += acpi_create_madt_ioapic_from_hw((acpi_madt_ioapic_t *)current, IO_APIC_ADDR); |
Raul E Rangel | 65819cd | 2021-02-16 10:37:46 -0700 | [diff] [blame] | 25 | |
Kyösti Mälkki | 2e65e9c | 2021-06-16 11:00:40 +0300 | [diff] [blame] | 26 | current += acpi_create_madt_ioapic_from_hw((acpi_madt_ioapic_t *)current, |
| 27 | GNB_IO_APIC_ADDR); |
Raul E Rangel | 12c6a58 | 2021-02-10 16:45:49 -0700 | [diff] [blame] | 28 | |
Felix Held | 69a957f | 2021-06-17 15:48:25 +0200 | [diff] [blame] | 29 | /* PIT is connected to legacy IRQ 0, but IOAPIC GSI 2 */ |
| 30 | current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)current, |
Raul E Rangel | 12c6a58 | 2021-02-10 16:45:49 -0700 | [diff] [blame] | 31 | MP_BUS_ISA, 0, 2, |
| 32 | MP_IRQ_TRIGGER_DEFAULT | MP_IRQ_POLARITY_DEFAULT); |
Felix Held | 69a957f | 2021-06-17 15:48:25 +0200 | [diff] [blame] | 33 | /* SCI IRQ type override */ |
| 34 | current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)current, |
Raul E Rangel | 12c6a58 | 2021-02-10 16:45:49 -0700 | [diff] [blame] | 35 | MP_BUS_ISA, ACPI_SCI_IRQ, ACPI_SCI_IRQ, |
| 36 | MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW); |
Raul E Rangel | 9bce1fe | 2021-02-11 11:28:52 -0700 | [diff] [blame] | 37 | current = acpi_fill_madt_irqoverride(current); |
| 38 | |
Felix Held | 8602495 | 2021-02-03 23:44:28 +0100 | [diff] [blame] | 39 | return current; |
| 40 | } |
| 41 | |
| 42 | /* |
| 43 | * Reference section 5.2.9 Fixed ACPI Description Table (FADT) |
| 44 | * in the ACPI 3.0b specification. |
| 45 | */ |
| 46 | void acpi_fill_fadt(acpi_fadt_t *fadt) |
| 47 | { |
Jason Glenesk | fff318f | 2021-03-10 02:47:05 -0800 | [diff] [blame] | 48 | const struct soc_amd_cezanne_config *cfg = config_of_soc(); |
Raul E Rangel | 12c6a58 | 2021-02-10 16:45:49 -0700 | [diff] [blame] | 49 | |
| 50 | printk(BIOS_DEBUG, "pm_base: 0x%04x\n", ACPI_IO_BASE); |
| 51 | |
| 52 | fadt->sci_int = ACPI_SCI_IRQ; |
| 53 | |
| 54 | if (permanent_smi_handler()) { |
| 55 | fadt->smi_cmd = APM_CNT; |
| 56 | fadt->acpi_enable = APM_CNT_ACPI_ENABLE; |
| 57 | fadt->acpi_disable = APM_CNT_ACPI_DISABLE; |
| 58 | } |
| 59 | |
Raul E Rangel | 12c6a58 | 2021-02-10 16:45:49 -0700 | [diff] [blame] | 60 | fadt->pm1a_evt_blk = ACPI_PM_EVT_BLK; |
| 61 | fadt->pm1a_cnt_blk = ACPI_PM1_CNT_BLK; |
| 62 | fadt->pm_tmr_blk = ACPI_PM_TMR_BLK; |
| 63 | fadt->gpe0_blk = ACPI_GPE0_BLK; |
| 64 | |
| 65 | fadt->pm1_evt_len = 4; /* 32 bits */ |
| 66 | fadt->pm1_cnt_len = 2; /* 16 bits */ |
| 67 | fadt->pm_tmr_len = 4; /* 32 bits */ |
| 68 | fadt->gpe0_blk_len = 8; /* 64 bits */ |
| 69 | |
Felix Held | 164c5ed | 2022-10-18 00:11:48 +0200 | [diff] [blame] | 70 | fill_fadt_extended_pm_regs(fadt); |
| 71 | |
Felix Held | 54c80e1 | 2023-02-21 17:59:42 +0100 | [diff] [blame] | 72 | /* p_lvl2_lat and p_lvl3_lat match what the AGESA code does, but those values are |
| 73 | overridden by the _CST packages in the processor devices. */ |
Raul E Rangel | 12c6a58 | 2021-02-10 16:45:49 -0700 | [diff] [blame] | 74 | fadt->p_lvl2_lat = ACPI_FADT_C2_NOT_SUPPORTED; |
| 75 | fadt->p_lvl3_lat = ACPI_FADT_C3_NOT_SUPPORTED; |
Raul E Rangel | 12c6a58 | 2021-02-10 16:45:49 -0700 | [diff] [blame] | 76 | fadt->day_alrm = RTC_DATE_ALARM; |
Raul E Rangel | 12c6a58 | 2021-02-10 16:45:49 -0700 | [diff] [blame] | 77 | fadt->century = RTC_ALT_CENTURY; |
Jason Glenesk | fff318f | 2021-03-10 02:47:05 -0800 | [diff] [blame] | 78 | fadt->iapc_boot_arch = cfg->common_config.fadt_boot_arch; /* legacy free default */ |
Raul E Rangel | 12c6a58 | 2021-02-10 16:45:49 -0700 | [diff] [blame] | 79 | fadt->flags |= ACPI_FADT_WBINVD | /* See table 5-34 ACPI 6.3 spec */ |
| 80 | ACPI_FADT_C1_SUPPORTED | |
| 81 | ACPI_FADT_S4_RTC_WAKE | |
| 82 | ACPI_FADT_32BIT_TIMER | |
| 83 | ACPI_FADT_PCI_EXPRESS_WAKE | |
| 84 | ACPI_FADT_PLATFORM_CLOCK | |
| 85 | ACPI_FADT_S4_RTC_VALID | |
| 86 | ACPI_FADT_REMOTE_POWER_ON; |
Jason Glenesk | fff318f | 2021-03-10 02:47:05 -0800 | [diff] [blame] | 87 | if (cfg->s0ix_enable) |
| 88 | fadt->flags |= ACPI_FADT_LOW_PWR_IDLE_S0; |
| 89 | |
| 90 | fadt->flags |= cfg->common_config.fadt_flags; /* additional board-specific flags */ |
Felix Held | 8602495 | 2021-02-03 23:44:28 +0100 | [diff] [blame] | 91 | } |
Jason Glenesk | 79542fa | 2021-03-10 03:50:57 -0800 | [diff] [blame] | 92 | |
Felix Held | ceafcae | 2023-03-07 00:00:15 +0100 | [diff] [blame] | 93 | const acpi_cstate_t cstate_cfg_table[] = { |
| 94 | [0] = { |
| 95 | .ctype = 1, |
| 96 | .latency = 1, |
| 97 | .power = 0, |
| 98 | }, |
| 99 | [1] = { |
| 100 | .ctype = 2, |
| 101 | .latency = 0x12, |
| 102 | .power = 0, |
| 103 | }, |
| 104 | [2] = { |
| 105 | .ctype = 3, |
| 106 | .latency = 350, |
| 107 | .power = 0, |
| 108 | }, |
| 109 | }; |
| 110 | |
| 111 | const acpi_cstate_t *get_cstate_config_data(size_t *size) |
| 112 | { |
| 113 | *size = ARRAY_SIZE(cstate_cfg_table); |
| 114 | return cstate_cfg_table; |
| 115 | } |