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x86: acpi: Adjust order in acpi_table.c
Rearrange the routine order a little bit, to follow the order in which ACPI table is defined in acpi_table.h. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Stefan Roese <sr@denx.de> Tested-by: Stefan Roese <sr@denx.de> Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Bin Meng
parent
dfbb18bcf6
commit
ab5efd576c
@ -305,14 +305,14 @@ struct acpi_mcfg_mmconfig {
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/* These can be used by the target port */
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void acpi_fill_header(struct acpi_table_header *header, char *signature);
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unsigned long acpi_create_madt_lapics(unsigned long current);
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int acpi_create_madt_ioapic(struct acpi_madt_ioapic *ioapic, u8 id, u32 addr,
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u32 gsi_base);
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int acpi_create_madt_irqoverride(struct acpi_madt_irqoverride *irqoverride,
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u8 bus, u8 source, u32 gsirq, u16 flags);
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unsigned long acpi_fill_madt(unsigned long current);
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void acpi_create_fadt(struct acpi_fadt *fadt, struct acpi_facs *facs,
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void *dsdt);
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int acpi_create_madt_lapic_nmi(struct acpi_madt_lapic_nmi *lapic_nmi, u8 cpu,
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u16 flags, u8 lint);
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unsigned long acpi_create_madt_lapics(unsigned long current);
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int acpi_create_madt_ioapic(struct acpi_madt_ioapic *ioapic, u8 id,
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u32 addr, u32 gsi_base);
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int acpi_create_madt_irqoverride(struct acpi_madt_irqoverride *irqoverride,
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u8 bus, u8 source, u32 gsirq, u16 flags);
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int acpi_create_madt_lapic_nmi(struct acpi_madt_lapic_nmi *lapic_nmi,
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u8 cpu, u16 flags, u8 lint);
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unsigned long acpi_fill_madt(unsigned long current);
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u32 write_acpi_tables(u32 start);
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@ -2,6 +2,7 @@
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* Based on acpi.c from coreboot
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*
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* Copyright (C) 2015, Saket Sinha <saket.sinha89@gmail.com>
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* Copyright (C) 2016, Bin Meng <bmeng.cn@gmail.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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@ -20,10 +21,85 @@
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*/
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extern const unsigned char AmlCode[];
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static void acpi_write_rsdp(struct acpi_rsdp *rsdp, struct acpi_rsdt *rsdt,
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struct acpi_xsdt *xsdt)
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{
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memset(rsdp, 0, sizeof(struct acpi_rsdp));
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memcpy(rsdp->signature, RSDP_SIG, 8);
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memcpy(rsdp->oem_id, OEM_ID, 6);
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rsdp->length = sizeof(struct acpi_rsdp);
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rsdp->rsdt_address = (u32)rsdt;
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/*
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* Revision: ACPI 1.0: 0, ACPI 2.0/3.0/4.0: 2
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*
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* Some OSes expect an XSDT to be present for RSD PTR revisions >= 2.
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* If we don't have an ACPI XSDT, force ACPI 1.0 (and thus RSD PTR
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* revision 0)
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*/
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if (xsdt == NULL) {
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rsdp->revision = ACPI_RSDP_REV_ACPI_1_0;
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} else {
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rsdp->xsdt_address = (u64)(u32)xsdt;
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rsdp->revision = ACPI_RSDP_REV_ACPI_2_0;
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}
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/* Calculate checksums */
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rsdp->checksum = table_compute_checksum((void *)rsdp, 20);
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rsdp->ext_checksum = table_compute_checksum((void *)rsdp,
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sizeof(struct acpi_rsdp));
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}
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void acpi_fill_header(struct acpi_table_header *header, char *signature)
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{
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memcpy(header->signature, signature, 4);
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memcpy(header->oem_id, OEM_ID, 6);
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memcpy(header->oem_table_id, OEM_TABLE_ID, 8);
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memcpy(header->aslc_id, ASLC_ID, 4);
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}
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static void acpi_write_rsdt(struct acpi_rsdt *rsdt)
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{
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struct acpi_table_header *header = &(rsdt->header);
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/* Fill out header fields */
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acpi_fill_header(header, "RSDT");
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header->length = sizeof(struct acpi_rsdt);
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/* ACPI 1.0/2.0: 1, ACPI 3.0: 2, ACPI 4.0: 3 */
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header->revision = ACPI_REV_ACPI_2_0;
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/* Entries are filled in later, we come with an empty set */
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/* Fix checksum */
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header->checksum = table_compute_checksum((void *)rsdt,
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sizeof(struct acpi_rsdt));
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}
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static void acpi_write_xsdt(struct acpi_xsdt *xsdt)
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{
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struct acpi_table_header *header = &(xsdt->header);
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/* Fill out header fields */
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acpi_fill_header(header, "XSDT");
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header->length = sizeof(struct acpi_xsdt);
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/* ACPI 1.0/2.0: 1, ACPI 3.0: 2, ACPI 4.0: 3 */
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header->revision = ACPI_REV_ACPI_2_0;
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/* Entries are filled in later, we come with an empty set */
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/* Fix checksum */
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header->checksum = table_compute_checksum((void *)xsdt,
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sizeof(struct acpi_xsdt));
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}
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/**
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* Add an ACPI table to the RSDT (and XSDT) structure, recalculate length
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* and checksum.
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*/
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* Add an ACPI table to the RSDT (and XSDT) structure, recalculate length
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* and checksum.
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*/
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static void acpi_add_table(struct acpi_rsdp *rsdp, void *table)
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{
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int i, entries_num;
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@ -80,12 +156,27 @@ static void acpi_add_table(struct acpi_rsdp *rsdp, void *table)
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}
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}
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static void acpi_create_facs(struct acpi_facs *facs)
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{
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memset((void *)facs, 0, sizeof(struct acpi_facs));
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memcpy(facs->signature, "FACS", 4);
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facs->length = sizeof(struct acpi_facs);
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facs->hardware_signature = 0;
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facs->firmware_waking_vector = 0;
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facs->global_lock = 0;
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facs->flags = 0;
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facs->x_firmware_waking_vector_l = 0;
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facs->x_firmware_waking_vector_h = 0;
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facs->version = 1;
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}
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static int acpi_create_madt_lapic(struct acpi_madt_lapic *lapic,
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u8 cpu, u8 apic)
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{
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lapic->type = ACPI_APIC_LAPIC; /* Local APIC structure */
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lapic->type = ACPI_APIC_LAPIC;
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lapic->length = sizeof(struct acpi_madt_lapic);
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lapic->flags = LOCAL_APIC_FLAG_ENABLED; /* Processor/LAPIC enabled */
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lapic->flags = LOCAL_APIC_FLAG_ENABLED;
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lapic->processor_id = cpu;
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lapic->apic_id = apic;
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@ -105,11 +196,12 @@ unsigned long acpi_create_madt_lapics(unsigned long current)
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(struct acpi_madt_lapic *)current,
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plat->cpu_id, plat->cpu_id);
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}
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return current;
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}
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int acpi_create_madt_ioapic(struct acpi_madt_ioapic *ioapic, u8 id, u32 addr,
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u32 gsi_base)
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int acpi_create_madt_ioapic(struct acpi_madt_ioapic *ioapic, u8 id,
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u32 addr, u32 gsi_base)
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{
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ioapic->type = ACPI_APIC_IOAPIC;
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ioapic->length = sizeof(struct acpi_madt_ioapic);
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@ -146,14 +238,6 @@ int acpi_create_madt_lapic_nmi(struct acpi_madt_lapic_nmi *lapic_nmi,
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return lapic_nmi->length;
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}
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void acpi_fill_header(struct acpi_table_header *header, char *signature)
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{
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memcpy(header->signature, signature, 4);
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memcpy(header->oem_id, OEM_ID, 6);
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memcpy(header->oem_table_id, OEM_TABLE_ID, 8);
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memcpy(header->aslc_id, ASLC_ID, 4);
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}
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static void acpi_create_madt(struct acpi_madt *madt)
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{
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struct acpi_table_header *header = &(madt->header);
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@ -223,88 +307,6 @@ static void acpi_create_mcfg(struct acpi_mcfg *mcfg)
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header->checksum = table_compute_checksum((void *)mcfg, header->length);
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}
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static void acpi_create_facs(struct acpi_facs *facs)
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{
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memset((void *)facs, 0, sizeof(struct acpi_facs));
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memcpy(facs->signature, "FACS", 4);
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facs->length = sizeof(struct acpi_facs);
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facs->hardware_signature = 0;
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facs->firmware_waking_vector = 0;
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facs->global_lock = 0;
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facs->flags = 0;
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facs->x_firmware_waking_vector_l = 0;
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facs->x_firmware_waking_vector_h = 0;
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facs->version = 1; /* ACPI 1.0: 0, ACPI 2.0/3.0: 1, ACPI 4.0: 2 */
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}
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static void acpi_write_rsdt(struct acpi_rsdt *rsdt)
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{
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struct acpi_table_header *header = &(rsdt->header);
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/* Fill out header fields */
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acpi_fill_header(header, "RSDT");
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header->length = sizeof(struct acpi_rsdt);
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/* ACPI 1.0/2.0: 1, ACPI 3.0: 2, ACPI 4.0: 3 */
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header->revision = ACPI_REV_ACPI_2_0;
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/* Entries are filled in later, we come with an empty set */
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/* Fix checksum */
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header->checksum = table_compute_checksum((void *)rsdt,
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sizeof(struct acpi_rsdt));
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}
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static void acpi_write_xsdt(struct acpi_xsdt *xsdt)
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{
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struct acpi_table_header *header = &(xsdt->header);
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/* Fill out header fields */
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acpi_fill_header(header, "XSDT");
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header->length = sizeof(struct acpi_xsdt);
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/* ACPI 1.0/2.0: 1, ACPI 3.0: 2, ACPI 4.0: 3 */
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header->revision = ACPI_REV_ACPI_2_0;
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/* Entries are filled in later, we come with an empty set */
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/* Fix checksum */
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header->checksum = table_compute_checksum((void *)xsdt,
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sizeof(struct acpi_xsdt));
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}
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static void acpi_write_rsdp(struct acpi_rsdp *rsdp, struct acpi_rsdt *rsdt,
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struct acpi_xsdt *xsdt)
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{
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memset(rsdp, 0, sizeof(struct acpi_rsdp));
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memcpy(rsdp->signature, RSDP_SIG, 8);
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memcpy(rsdp->oem_id, OEM_ID, 6);
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rsdp->length = sizeof(struct acpi_rsdp);
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rsdp->rsdt_address = (u32)rsdt;
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/*
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* Revision: ACPI 1.0: 0, ACPI 2.0/3.0/4.0: 2
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*
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* Some OSes expect an XSDT to be present for RSD PTR revisions >= 2.
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* If we don't have an ACPI XSDT, force ACPI 1.0 (and thus RSD PTR
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* revision 0)
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*/
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if (xsdt == NULL) {
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rsdp->revision = ACPI_RSDP_REV_ACPI_1_0;
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} else {
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rsdp->xsdt_address = (u64)(u32)xsdt;
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rsdp->revision = ACPI_RSDP_REV_ACPI_2_0;
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}
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/* Calculate checksums */
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rsdp->checksum = table_compute_checksum((void *)rsdp, 20);
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rsdp->ext_checksum = table_compute_checksum((void *)rsdp,
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sizeof(struct acpi_rsdp));
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}
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/*
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* QEMU's version of write_acpi_tables is defined in
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* arch/x86/cpu/qemu/fw_cfg.c
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@ -323,7 +325,7 @@ u32 write_acpi_tables(u32 start)
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current = start;
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/* Align ACPI tables to 16byte */
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/* Align ACPI tables to 16 byte */
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current = ALIGN(current, 16);
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debug("ACPI: Writing ACPI tables at %x\n", start);
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@ -378,15 +380,6 @@ u32 write_acpi_tables(u32 start)
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acpi_create_fadt(fadt, facs, dsdt);
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acpi_add_table(rsdp, fadt);
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debug("ACPI: * MCFG\n");
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mcfg = (struct acpi_mcfg *)current;
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acpi_create_mcfg(mcfg);
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if (mcfg->header.length > sizeof(struct acpi_mcfg)) {
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current += mcfg->header.length;
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current = ALIGN(current, 16);
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acpi_add_table(rsdp, mcfg);
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}
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debug("ACPI: * MADT\n");
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madt = (struct acpi_madt *)current;
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acpi_create_madt(madt);
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@ -396,6 +389,15 @@ u32 write_acpi_tables(u32 start)
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}
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current = ALIGN(current, 16);
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debug("ACPI: * MCFG\n");
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mcfg = (struct acpi_mcfg *)current;
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acpi_create_mcfg(mcfg);
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if (mcfg->header.length > sizeof(struct acpi_mcfg)) {
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current += mcfg->header.length;
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current = ALIGN(current, 16);
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acpi_add_table(rsdp, mcfg);
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}
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debug("current = %x\n", current);
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debug("ACPI: done\n");
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