| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| /* |
| * ACPI - create the Fixed ACPI Description Tables (FADT) |
| */ |
| |
| #include <console/console.h> |
| #include <acpi/acpi.h> |
| #include <acpi/acpigen.h> |
| #include <device/pci_ops.h> |
| #include <arch/ioapic.h> |
| #include <arch/smp/mpspec.h> |
| #include <cpu/x86/smm.h> |
| #include <device/device.h> |
| #include <device/pci.h> |
| #include <gpio.h> |
| #include <amdblocks/acpimmio.h> |
| #include <amdblocks/acpi.h> |
| #include <amdblocks/ioapic.h> |
| #include <soc/acpi.h> |
| #include <soc/pci_devs.h> |
| #include <soc/southbridge.h> |
| #include <soc/northbridge.h> |
| #include <version.h> |
| |
| unsigned long acpi_fill_madt(unsigned long current) |
| { |
| /* create all subtables for processors */ |
| current = acpi_create_madt_lapics_with_nmis(current); |
| |
| /* Write Kern IOAPIC, only one */ |
| 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, IO_APIC2_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, 9, 9, |
| MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW); |
| |
| 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) |
| { |
| printk(BIOS_DEBUG, "pm_base: 0x%04x\n", ACPI_IO_BASE); |
| |
| fadt->sci_int = 9; /* IRQ 09 - ACPI SCI */ |
| |
| 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); |
| |
| fadt->p_lvl2_lat = ACPI_FADT_C2_NOT_SUPPORTED; |
| fadt->p_lvl3_lat = ACPI_FADT_C3_NOT_SUPPORTED; |
| fadt->duty_offset = 1; /* CLK_VAL bits 3:1 */ |
| fadt->duty_width = 3; /* CLK_VAL bits 3:1 */ |
| fadt->day_alrm = RTC_DATE_ALARM; |
| fadt->mon_alrm = 0; /* Not supported */ |
| fadt->iapc_boot_arch = FADT_BOOT_ARCH; /* See table 5-10 */ |
| fadt->res2 = 0; /* reserved, MUST be 0 ACPI 3.0 */ |
| fadt->flags |= ACPI_FADT_WBINVD | /* See table 5-10 ACPI 3.0a spec */ |
| ACPI_FADT_C1_SUPPORTED | |
| ACPI_FADT_SLEEP_BUTTON | |
| 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; |
| |
| fadt->x_firmware_ctl_l = 0; /* set to 0 if firmware_ctrl is used */ |
| fadt->x_firmware_ctl_h = 0; |
| } |
| |
| void generate_cpu_entries(const struct device *device) |
| { |
| int cores, cpu; |
| |
| /* Stoney Ridge is single node, just report # of cores */ |
| cores = pci_read_config32(SOC_NB_DEV, NB_CAPABILITIES2) & CMP_CAP_MASK; |
| cores++; /* number of cores is CmpCap+1 */ |
| |
| printk(BIOS_DEBUG, "ACPI \\_SB report %d core(s)\n", cores); |
| |
| /* Generate \_SB.Pxxx */ |
| for (cpu = 0; cpu < cores; cpu++) { |
| acpigen_write_processor_device(cpu); |
| acpigen_write_processor_device_end(); |
| } |
| |
| acpigen_write_processor_package("PPKG", 0, cores); |
| } |