/* SPDX-License-Identifier: GPL-2.0-only */ /* TODO: Update for Glinda */ /* TODO: See what can be made common */ /* ACPI - create the Fixed ACPI Description Tables (FADT) */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "chip.h" unsigned long acpi_fill_madt(unsigned long current) { current += acpi_create_madt_ioapic_from_hw((acpi_madt_ioapic_t *)current, IO_APIC_ADDR); current += acpi_create_madt_ioapic_from_hw((acpi_madt_ioapic_t *)current, GNB_IO_APIC_ADDR); /* PIT is connected to legacy IRQ 0, but IOAPIC GSI 2 */ current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)current, MP_BUS_ISA, 0, 2, MP_IRQ_TRIGGER_DEFAULT | MP_IRQ_POLARITY_DEFAULT); /* SCI IRQ type override */ current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)current, MP_BUS_ISA, ACPI_SCI_IRQ, ACPI_SCI_IRQ, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW); current = acpi_fill_madt_irqoverride(current); return current; } /* * Reference section 5.2.9 Fixed ACPI Description Table (FADT) * in the ACPI 3.0b specification. */ void acpi_fill_fadt(acpi_fadt_t *fadt) { const struct soc_amd_glinda_config *cfg = config_of_soc(); printk(BIOS_DEBUG, "pm_base: 0x%04x\n", ACPI_IO_BASE); fadt->sci_int = ACPI_SCI_IRQ; if (permanent_smi_handler()) { fadt->smi_cmd = APM_CNT; fadt->acpi_enable = APM_CNT_ACPI_ENABLE; fadt->acpi_disable = APM_CNT_ACPI_DISABLE; } fadt->pm1a_evt_blk = ACPI_PM_EVT_BLK; fadt->pm1a_cnt_blk = ACPI_PM1_CNT_BLK; fadt->pm_tmr_blk = ACPI_PM_TMR_BLK; fadt->gpe0_blk = ACPI_GPE0_BLK; fadt->pm1_evt_len = 4; /* 32 bits */ fadt->pm1_cnt_len = 2; /* 16 bits */ fadt->pm_tmr_len = 4; /* 32 bits */ fadt->gpe0_blk_len = 8; /* 64 bits */ fill_fadt_extended_pm_regs(fadt); /* p_lvl2_lat and p_lvl3_lat match what the AGESA code does, but those values are overridden by the _CST packages in the processor devices. */ fadt->p_lvl2_lat = ACPI_FADT_C2_NOT_SUPPORTED; fadt->p_lvl3_lat = ACPI_FADT_C3_NOT_SUPPORTED; fadt->day_alrm = RTC_DATE_ALARM; fadt->century = RTC_ALT_CENTURY; fadt->iapc_boot_arch = cfg->common_config.fadt_boot_arch; /* legacy free default */ fadt->flags |= ACPI_FADT_WBINVD | /* See table 5-34 ACPI 6.3 spec */ ACPI_FADT_C1_SUPPORTED | ACPI_FADT_S4_RTC_WAKE | ACPI_FADT_32BIT_TIMER | ACPI_FADT_PCI_EXPRESS_WAKE | ACPI_FADT_PLATFORM_CLOCK | ACPI_FADT_S4_RTC_VALID | ACPI_FADT_REMOTE_POWER_ON; if (cfg->s0ix_enable) fadt->flags |= ACPI_FADT_LOW_PWR_IDLE_S0; fadt->flags |= cfg->common_config.fadt_flags; /* additional board-specific flags */ } const acpi_cstate_t cstate_cfg_table[] = { [0] = { .ctype = 1, .latency = 1, .power = 0, }, [1] = { .ctype = 2, .latency = 0x12, .power = 0, }, [2] = { .ctype = 3, .latency = 350, .power = 0, }, }; const acpi_cstate_t *get_cstate_config_data(size_t *size) { *size = ARRAY_SIZE(cstate_cfg_table); return cstate_cfg_table; }