/* SPDX-License-Identifier: GPL-2.0+ */ /* * Based on acpi.c from coreboot * * Copyright (C) 2015, Saket Sinha * Copyright (C) 2016, Bin Meng */ #ifndef __ASM_ACPI_TABLE_H__ #define __ASM_ACPI_TABLE_H__ struct acpi_facs; struct acpi_fadt; struct acpi_global_nvs; struct acpi_madt_ioapic; struct acpi_madt_irqoverride; struct acpi_madt_lapic_nmi; struct acpi_mcfg_mmconfig; struct acpi_table_header; /* These can be used by the target port */ void acpi_fill_header(struct acpi_table_header *header, char *signature); void acpi_create_fadt(struct acpi_fadt *fadt, struct acpi_facs *facs, void *dsdt); int acpi_create_madt_lapics(u32 current); int acpi_create_madt_ioapic(struct acpi_madt_ioapic *ioapic, u8 id, u32 addr, u32 gsi_base); int acpi_create_madt_irqoverride(struct acpi_madt_irqoverride *irqoverride, u8 bus, u8 source, u32 gsirq, u16 flags); int acpi_create_madt_lapic_nmi(struct acpi_madt_lapic_nmi *lapic_nmi, u8 cpu, u16 flags, u8 lint); u32 acpi_fill_madt(u32 current); int acpi_create_mcfg_mmconfig(struct acpi_mcfg_mmconfig *mmconfig, u32 base, u16 seg_nr, u8 start, u8 end); u32 acpi_fill_mcfg(u32 current); u32 acpi_fill_csrt(u32 current); /** * acpi_write_hpet() - Write out a HPET table * * Write out the table for High-Precision Event Timers * * @ctx: Current ACPI context * @return 0 if OK, -ve on error */ int acpi_write_hpet(struct acpi_ctx *ctx); /** * acpi_write_dbg2_pci_uart() - Write out a DBG2 table * * @ctx: Current ACPI context * @dev: Debug UART device to describe * @access_size: Access size for UART (e.g. ACPI_ACCESS_SIZE_DWORD_ACCESS) * @return 0 if OK, -ve on error */ int acpi_write_dbg2_pci_uart(struct acpi_ctx *ctx, struct udevice *dev, uint access_size); /** * acpi_create_gnvs() - Create a GNVS (Global Non Volatile Storage) table * * @gnvs: Table to fill in * @return 0 if OK, -ve on error */ int acpi_create_gnvs(struct acpi_global_nvs *gnvs); ulong write_acpi_tables(ulong start); /** * acpi_get_rsdp_addr() - get ACPI RSDP table address * * This routine returns the ACPI RSDP table address in the system memory. * * @return: ACPI RSDP table address */ ulong acpi_get_rsdp_addr(void); /** * arch_read_sci_irq_select() - Read the system-control interrupt number * * @returns value of IRQ register in the PMC */ int arch_read_sci_irq_select(void); /** * arch_write_sci_irq_select() - Set the system-control interrupt number * * @scis: New value for IRQ register in the PMC */ int arch_write_sci_irq_select(uint scis); /** * arch_madt_sci_irq_polarity() - Return the priority to use for the MADT * * @sci: System-control interrupt number * @return priority to use (MP_IRQ_POLARITY_...) */ int arch_madt_sci_irq_polarity(int sci); #endif /* __ASM_ACPI_TABLE_H__ */