Martin Roth | 1a3de8e | 2022-10-06 15:57:21 -0600 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | |
Martin Roth | 20646cd | 2023-01-04 21:27:06 -0700 | [diff] [blame] | 3 | /* TODO: Update for Phoenix */ |
Martin Roth | 1a3de8e | 2022-10-06 15:57:21 -0600 | [diff] [blame] | 4 | /* TODO: See what can be made common */ |
| 5 | |
| 6 | /* ACPI - create the Fixed ACPI Description Tables (FADT) */ |
| 7 | |
| 8 | #include <acpi/acpi.h> |
| 9 | #include <acpi/acpigen.h> |
| 10 | #include <amdblocks/acpi.h> |
| 11 | #include <amdblocks/cppc.h> |
| 12 | #include <amdblocks/cpu.h> |
| 13 | #include <amdblocks/acpimmio.h> |
| 14 | #include <amdblocks/ioapic.h> |
| 15 | #include <arch/ioapic.h> |
| 16 | #include <arch/smp/mpspec.h> |
| 17 | #include <console/console.h> |
| 18 | #include <cpu/amd/cpuid.h> |
Martin Roth | 1a3de8e | 2022-10-06 15:57:21 -0600 | [diff] [blame] | 19 | #include <cpu/x86/smm.h> |
| 20 | #include <soc/acpi.h> |
| 21 | #include <soc/iomap.h> |
Martin Roth | 1a3de8e | 2022-10-06 15:57:21 -0600 | [diff] [blame] | 22 | #include <types.h> |
| 23 | #include "chip.h" |
| 24 | |
| 25 | unsigned long acpi_fill_madt(unsigned long current) |
| 26 | { |
| 27 | /* create all subtables for processors */ |
Kyösti Mälkki | 66b5e1b | 2022-11-12 21:13:45 +0200 | [diff] [blame] | 28 | current = acpi_create_madt_lapics_with_nmis(current); |
Martin Roth | 1a3de8e | 2022-10-06 15:57:21 -0600 | [diff] [blame] | 29 | |
Kyösti Mälkki | 2e65e9c | 2021-06-16 11:00:40 +0300 | [diff] [blame] | 30 | current += acpi_create_madt_ioapic_from_hw((acpi_madt_ioapic_t *)current, IO_APIC_ADDR); |
Martin Roth | 1a3de8e | 2022-10-06 15:57:21 -0600 | [diff] [blame] | 31 | |
Kyösti Mälkki | 2e65e9c | 2021-06-16 11:00:40 +0300 | [diff] [blame] | 32 | current += acpi_create_madt_ioapic_from_hw((acpi_madt_ioapic_t *)current, |
| 33 | GNB_IO_APIC_ADDR); |
Martin Roth | 1a3de8e | 2022-10-06 15:57:21 -0600 | [diff] [blame] | 34 | |
| 35 | /* PIT is connected to legacy IRQ 0, but IOAPIC GSI 2 */ |
| 36 | current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)current, |
| 37 | MP_BUS_ISA, 0, 2, |
| 38 | MP_IRQ_TRIGGER_DEFAULT | MP_IRQ_POLARITY_DEFAULT); |
| 39 | /* SCI IRQ type override */ |
| 40 | current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)current, |
| 41 | MP_BUS_ISA, ACPI_SCI_IRQ, ACPI_SCI_IRQ, |
| 42 | MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW); |
| 43 | current = acpi_fill_madt_irqoverride(current); |
| 44 | |
Martin Roth | 1a3de8e | 2022-10-06 15:57:21 -0600 | [diff] [blame] | 45 | return current; |
| 46 | } |
| 47 | |
| 48 | /* |
| 49 | * Reference section 5.2.9 Fixed ACPI Description Table (FADT) |
| 50 | * in the ACPI 3.0b specification. |
| 51 | */ |
| 52 | void acpi_fill_fadt(acpi_fadt_t *fadt) |
| 53 | { |
Martin Roth | 20646cd | 2023-01-04 21:27:06 -0700 | [diff] [blame] | 54 | const struct soc_amd_phoenix_config *cfg = config_of_soc(); |
Martin Roth | 1a3de8e | 2022-10-06 15:57:21 -0600 | [diff] [blame] | 55 | |
| 56 | printk(BIOS_DEBUG, "pm_base: 0x%04x\n", ACPI_IO_BASE); |
| 57 | |
| 58 | fadt->sci_int = ACPI_SCI_IRQ; |
| 59 | |
| 60 | if (permanent_smi_handler()) { |
| 61 | fadt->smi_cmd = APM_CNT; |
| 62 | fadt->acpi_enable = APM_CNT_ACPI_ENABLE; |
| 63 | fadt->acpi_disable = APM_CNT_ACPI_DISABLE; |
| 64 | } |
| 65 | |
Martin Roth | 1a3de8e | 2022-10-06 15:57:21 -0600 | [diff] [blame] | 66 | fadt->pm1a_evt_blk = ACPI_PM_EVT_BLK; |
| 67 | fadt->pm1a_cnt_blk = ACPI_PM1_CNT_BLK; |
| 68 | fadt->pm_tmr_blk = ACPI_PM_TMR_BLK; |
| 69 | fadt->gpe0_blk = ACPI_GPE0_BLK; |
| 70 | |
| 71 | fadt->pm1_evt_len = 4; /* 32 bits */ |
| 72 | fadt->pm1_cnt_len = 2; /* 16 bits */ |
| 73 | fadt->pm_tmr_len = 4; /* 32 bits */ |
| 74 | fadt->gpe0_blk_len = 8; /* 64 bits */ |
| 75 | |
Felix Held | 164c5ed | 2022-10-18 00:11:48 +0200 | [diff] [blame] | 76 | fill_fadt_extended_pm_regs(fadt); |
| 77 | |
Felix Held | 54c80e1 | 2023-02-21 17:59:42 +0100 | [diff] [blame] | 78 | /* p_lvl2_lat and p_lvl3_lat match what the AGESA code does, but those values are |
| 79 | overridden by the _CST packages in the processor devices. */ |
Martin Roth | 1a3de8e | 2022-10-06 15:57:21 -0600 | [diff] [blame] | 80 | fadt->p_lvl2_lat = ACPI_FADT_C2_NOT_SUPPORTED; |
| 81 | fadt->p_lvl3_lat = ACPI_FADT_C3_NOT_SUPPORTED; |
Martin Roth | 1a3de8e | 2022-10-06 15:57:21 -0600 | [diff] [blame] | 82 | fadt->day_alrm = RTC_DATE_ALARM; |
Martin Roth | 1a3de8e | 2022-10-06 15:57:21 -0600 | [diff] [blame] | 83 | fadt->century = RTC_ALT_CENTURY; |
| 84 | fadt->iapc_boot_arch = cfg->common_config.fadt_boot_arch; /* legacy free default */ |
| 85 | fadt->flags |= ACPI_FADT_WBINVD | /* See table 5-34 ACPI 6.3 spec */ |
| 86 | ACPI_FADT_C1_SUPPORTED | |
| 87 | ACPI_FADT_S4_RTC_WAKE | |
| 88 | ACPI_FADT_32BIT_TIMER | |
| 89 | ACPI_FADT_PCI_EXPRESS_WAKE | |
| 90 | ACPI_FADT_PLATFORM_CLOCK | |
| 91 | ACPI_FADT_S4_RTC_VALID | |
| 92 | ACPI_FADT_REMOTE_POWER_ON; |
| 93 | if (cfg->s0ix_enable) |
| 94 | fadt->flags |= ACPI_FADT_LOW_PWR_IDLE_S0; |
| 95 | |
| 96 | fadt->flags |= cfg->common_config.fadt_flags; /* additional board-specific flags */ |
Martin Roth | 1a3de8e | 2022-10-06 15:57:21 -0600 | [diff] [blame] | 97 | } |
| 98 | |
Felix Held | 8ec90ac | 2023-03-07 00:31:41 +0100 | [diff] [blame] | 99 | const acpi_cstate_t cstate_cfg_table[] = { |
| 100 | [0] = { |
| 101 | .ctype = 1, |
| 102 | .latency = 1, |
| 103 | .power = 0, |
| 104 | }, |
| 105 | [1] = { |
| 106 | .ctype = 2, |
| 107 | .latency = 0x12, |
| 108 | .power = 0, |
| 109 | }, |
| 110 | [2] = { |
| 111 | .ctype = 3, |
| 112 | .latency = 350, |
| 113 | .power = 0, |
| 114 | }, |
| 115 | }; |
| 116 | |
| 117 | const acpi_cstate_t *get_cstate_config_data(size_t *size) |
| 118 | { |
| 119 | *size = ARRAY_SIZE(cstate_cfg_table); |
| 120 | return cstate_cfg_table; |
| 121 | } |