diff options
Diffstat (limited to 'src/arch/x86/acpi.c')
| -rw-r--r-- | src/arch/x86/acpi.c | 1641 |
1 files changed, 0 insertions, 1641 deletions
diff --git a/src/arch/x86/acpi.c b/src/arch/x86/acpi.c deleted file mode 100644 index 8e7b51d79d..0000000000 --- a/src/arch/x86/acpi.c +++ /dev/null @@ -1,1641 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* This file is part of the coreboot project. */ -/* - * coreboot ACPI Table support - */ - -/* - * Each system port implementing ACPI has to provide two functions: - * - * write_acpi_tables() - * acpi_dump_apics() - * - * See Kontron 986LCD-M port for a good example of an ACPI implementation - * in coreboot. - */ - -#include <console/console.h> -#include <string.h> -#include <arch/acpi.h> -#include <arch/acpi_ivrs.h> -#include <arch/acpigen.h> -#include <device/pci.h> -#include <cbmem.h> -#include <commonlib/helpers.h> -#include <cpu/cpu.h> -#include <cbfs.h> -#include <version.h> -#include <commonlib/sort.h> - -static acpi_rsdp_t *valid_rsdp(acpi_rsdp_t *rsdp); - -u8 acpi_checksum(u8 *table, u32 length) -{ - u8 ret = 0; - while (length--) { - ret += *table; - table++; - } - return -ret; -} - -/** - * Add an ACPI table to the RSDT (and XSDT) structure, recalculate length - * and checksum. - */ -void acpi_add_table(acpi_rsdp_t *rsdp, void *table) -{ - int i, entries_num; - acpi_rsdt_t *rsdt; - acpi_xsdt_t *xsdt = NULL; - - /* The RSDT is mandatory... */ - rsdt = (acpi_rsdt_t *)(uintptr_t)rsdp->rsdt_address; - - /* ...while the XSDT is not. */ - if (rsdp->xsdt_address) - xsdt = (acpi_xsdt_t *)((uintptr_t)rsdp->xsdt_address); - - /* This should always be MAX_ACPI_TABLES. */ - entries_num = ARRAY_SIZE(rsdt->entry); - - for (i = 0; i < entries_num; i++) { - if (rsdt->entry[i] == 0) - break; - } - - if (i >= entries_num) { - printk(BIOS_ERR, "ACPI: Error: Could not add ACPI table, " - "too many tables.\n"); - return; - } - - /* Add table to the RSDT. */ - rsdt->entry[i] = (uintptr_t)table; - - /* Fix RSDT length or the kernel will assume invalid entries. */ - rsdt->header.length = sizeof(acpi_header_t) + (sizeof(u32) * (i + 1)); - - /* Re-calculate checksum. */ - rsdt->header.checksum = 0; /* Hope this won't get optimized away */ - rsdt->header.checksum = acpi_checksum((u8 *)rsdt, rsdt->header.length); - - /* - * And now the same thing for the XSDT. We use the same index as for - * now we want the XSDT and RSDT to always be in sync in coreboot. - */ - if (xsdt) { - /* Add table to the XSDT. */ - xsdt->entry[i] = (u64)(uintptr_t)table; - - /* Fix XSDT length. */ - xsdt->header.length = sizeof(acpi_header_t) + - (sizeof(u64) * (i + 1)); - - /* Re-calculate checksum. */ - xsdt->header.checksum = 0; - xsdt->header.checksum = acpi_checksum((u8 *)xsdt, - xsdt->header.length); - } - - printk(BIOS_DEBUG, "ACPI: added table %d/%d, length now %d\n", - i + 1, entries_num, rsdt->header.length); -} - -int acpi_create_mcfg_mmconfig(acpi_mcfg_mmconfig_t *mmconfig, u32 base, - u16 seg_nr, u8 start, u8 end) -{ - memset(mmconfig, 0, sizeof(*mmconfig)); - mmconfig->base_address = base; - mmconfig->base_reserved = 0; - mmconfig->pci_segment_group_number = seg_nr; - mmconfig->start_bus_number = start; - mmconfig->end_bus_number = end; - - return sizeof(acpi_mcfg_mmconfig_t); -} - -int acpi_create_madt_lapic(acpi_madt_lapic_t *lapic, u8 cpu, u8 apic) -{ - lapic->type = LOCAL_APIC; /* Local APIC structure */ - lapic->length = sizeof(acpi_madt_lapic_t); - lapic->flags = (1 << 0); /* Processor/LAPIC enabled */ - lapic->processor_id = cpu; - lapic->apic_id = apic; - - return lapic->length; -} - -int acpi_create_madt_lx2apic(acpi_madt_lx2apic_t *lapic, u32 cpu, u32 apic) -{ - lapic->type = LOCAL_X2APIC; /* Local APIC structure */ - lapic->reserved = 0; - lapic->length = sizeof(acpi_madt_lx2apic_t); - lapic->flags = (1 << 0); /* Processor/LAPIC enabled */ - lapic->processor_id = cpu; - lapic->x2apic_id = apic; - - return lapic->length; -} - -unsigned long acpi_create_madt_lapics(unsigned long current) -{ - struct device *cpu; - int index, apic_ids[CONFIG_MAX_CPUS] = {0}, num_cpus = 0; - - for (cpu = all_devices; cpu; cpu = cpu->next) { - if ((cpu->path.type != DEVICE_PATH_APIC) || - (cpu->bus->dev->path.type != DEVICE_PATH_CPU_CLUSTER)) { - continue; - } - if (!cpu->enabled) - continue; - if (num_cpus >= ARRAY_SIZE(apic_ids)) - break; - apic_ids[num_cpus++] = cpu->path.apic.apic_id; - } - if (num_cpus > 1) - bubblesort(apic_ids, num_cpus, NUM_ASCENDING); - for (index = 0; index < num_cpus; index++) { - if (apic_ids[index] < 0xff) - current += acpi_create_madt_lapic((acpi_madt_lapic_t *)current, - index, apic_ids[index]); - else - current += acpi_create_madt_lx2apic((acpi_madt_lx2apic_t *)current, - index, apic_ids[index]); - } - - return current; -} - -int acpi_create_madt_ioapic(acpi_madt_ioapic_t *ioapic, u8 id, u32 addr, - u32 gsi_base) -{ - ioapic->type = IO_APIC; /* I/O APIC structure */ - ioapic->length = sizeof(acpi_madt_ioapic_t); - ioapic->reserved = 0x00; - ioapic->gsi_base = gsi_base; - ioapic->ioapic_id = id; - ioapic->ioapic_addr = addr; - - return ioapic->length; -} - -int acpi_create_madt_irqoverride(acpi_madt_irqoverride_t *irqoverride, - u8 bus, u8 source, u32 gsirq, u16 flags) -{ - irqoverride->type = IRQ_SOURCE_OVERRIDE; /* Interrupt source override */ - irqoverride->length = sizeof(acpi_madt_irqoverride_t); - irqoverride->bus = bus; - irqoverride->source = source; - irqoverride->gsirq = gsirq; - irqoverride->flags = flags; - - return irqoverride->length; -} - -int acpi_create_madt_lapic_nmi(acpi_madt_lapic_nmi_t *lapic_nmi, u8 cpu, - u16 flags, u8 lint) -{ - lapic_nmi->type = LOCAL_APIC_NMI; /* Local APIC NMI structure */ - lapic_nmi->length = sizeof(acpi_madt_lapic_nmi_t); - lapic_nmi->flags = flags; - lapic_nmi->processor_id = cpu; - lapic_nmi->lint = lint; - - return lapic_nmi->length; -} - -int acpi_create_madt_lx2apic_nmi(acpi_madt_lx2apic_nmi_t *lapic_nmi, u32 cpu, - u16 flags, u8 lint) -{ - lapic_nmi->type = LOCAL_X2APIC_NMI; /* Local APIC NMI structure */ - lapic_nmi->length = sizeof(acpi_madt_lx2apic_nmi_t); - lapic_nmi->flags = flags; - lapic_nmi->processor_id = cpu; - lapic_nmi->lint = lint; - lapic_nmi->reserved[0] = 0; - lapic_nmi->reserved[1] = 0; - lapic_nmi->reserved[2] = 0; - - return lapic_nmi->length; -} - -__weak uintptr_t cpu_get_lapic_addr(void) -{ - /* - * If an architecture does not support LAPIC, this weak implementation returns LAPIC - * addr as 0. - */ - return 0; -} - -void acpi_create_madt(acpi_madt_t *madt) -{ - acpi_header_t *header = &(madt->header); - unsigned long current = (unsigned long)madt + sizeof(acpi_madt_t); - - memset((void *)madt, 0, sizeof(acpi_madt_t)); - - if (!header) - return; - - /* Fill out header fields. */ - memcpy(header->signature, "APIC", 4); - memcpy(header->oem_id, OEM_ID, 6); - memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); - memcpy(header->asl_compiler_id, ASLC, 4); - - header->asl_compiler_revision = asl_revision; - header->length = sizeof(acpi_madt_t); - header->revision = get_acpi_table_revision(MADT); - - madt->lapic_addr = cpu_get_lapic_addr(); - if (CONFIG(ACPI_HAVE_PCAT_8259)) - madt->flags |= 1; - - current = acpi_fill_madt(current); - - /* (Re)calculate length and checksum. */ - header->length = current - (unsigned long)madt; - - header->checksum = acpi_checksum((void *)madt, header->length); -} - -/* MCFG is defined in the PCI Firmware Specification 3.0. */ -void acpi_create_mcfg(acpi_mcfg_t *mcfg) -{ - acpi_header_t *header = &(mcfg->header); - unsigned long current = (unsigned long)mcfg + sizeof(acpi_mcfg_t); - - memset((void *)mcfg, 0, sizeof(acpi_mcfg_t)); - - if (!header) - return; - - /* Fill out header fields. */ - memcpy(header->signature, "MCFG", 4); - memcpy(header->oem_id, OEM_ID, 6); - memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); - memcpy(header->asl_compiler_id, ASLC, 4); - - header->asl_compiler_revision = asl_revision; - header->length = sizeof(acpi_mcfg_t); - header->revision = get_acpi_table_revision(MCFG); - - current = acpi_fill_mcfg(current); - - /* (Re)calculate length and checksum. */ - header->length = current - (unsigned long)mcfg; - header->checksum = acpi_checksum((void *)mcfg, header->length); -} - -static void *get_tcpa_log(u32 *size) -{ - const struct cbmem_entry *ce; - const u32 tcpa_default_log_len = 0x10000; - void *lasa; - ce = cbmem_entry_find(CBMEM_ID_TCPA_TCG_LOG); - if (ce) { - lasa = cbmem_entry_start(ce); - *size = cbmem_entry_size(ce); - printk(BIOS_DEBUG, "TCPA log found at %p\n", lasa); - return lasa; - } - lasa = cbmem_add(CBMEM_ID_TCPA_TCG_LOG, tcpa_default_log_len); - if (!lasa) { - printk(BIOS_ERR, "TCPA log creation failed\n"); - return NULL; - } - - printk(BIOS_DEBUG, "TCPA log created at %p\n", lasa); - memset(lasa, 0, tcpa_default_log_len); - - *size = tcpa_default_log_len; - return lasa; -} - -static void acpi_create_tcpa(acpi_tcpa_t *tcpa) -{ - acpi_header_t *header = &(tcpa->header); - u32 tcpa_log_len; - void *lasa; - - memset((void *)tcpa, 0, sizeof(acpi_tcpa_t)); - - lasa = get_tcpa_log(&tcpa_log_len); - if (!lasa) - return; - - if (!header) - return; - - /* Fill out header fields. */ - memcpy(header->signature, "TCPA", 4); - memcpy(header->oem_id, OEM_ID, 6); - memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); - memcpy(header->asl_compiler_id, ASLC, 4); - - header->asl_compiler_revision = asl_revision; - header->length = sizeof(acpi_tcpa_t); - header->revision = get_acpi_table_revision(TCPA); - - tcpa->platform_class = 0; - tcpa->laml = tcpa_log_len; - tcpa->lasa = (uintptr_t) lasa; - - /* Calculate checksum. */ - header->checksum = acpi_checksum((void *)tcpa, header->length); -} - -static void *get_tpm2_log(u32 *size) -{ - const struct cbmem_entry *ce; - const u32 tpm2_default_log_len = 0x10000; - void *lasa; - ce = cbmem_entry_find(CBMEM_ID_TPM2_TCG_LOG); - if (ce) { - lasa = cbmem_entry_start(ce); - *size = cbmem_entry_size(ce); - printk(BIOS_DEBUG, "TPM2 log found at %p\n", lasa); - return lasa; - } - lasa = cbmem_add(CBMEM_ID_TPM2_TCG_LOG, tpm2_default_log_len); - if (!lasa) { - printk(BIOS_ERR, "TPM2 log creation failed\n"); - return NULL; - } - - printk(BIOS_DEBUG, "TPM2 log created at %p\n", lasa); - memset(lasa, 0, tpm2_default_log_len); - - *size = tpm2_default_log_len; - return lasa; -} - -static void acpi_create_tpm2(acpi_tpm2_t *tpm2) -{ - acpi_header_t *header = &(tpm2->header); - u32 tpm2_log_len; - void *lasa; - - memset((void *)tpm2, 0, sizeof(acpi_tpm2_t)); - - /* - * Some payloads like SeaBIOS depend on log area to use TPM2. - * Get the memory size and address of TPM2 log area or initialize it. - */ - lasa = get_tpm2_log(&tpm2_log_len); - if (!lasa) - tpm2_log_len = 0; - - if (!header) - return; - - /* Fill out header fields. */ - memcpy(header->signature, "TPM2", 4); - memcpy(header->oem_id, OEM_ID, 6); - memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); - memcpy(header->asl_compiler_id, ASLC, 4); - - header->asl_compiler_revision = asl_revision; - header->length = sizeof(acpi_tpm2_t); - header->revision = get_acpi_table_revision(TPM2); - - /* Hard to detect for coreboot. Just set it to 0 */ - tpm2->platform_class = 0; - if (CONFIG(CRB_TPM)) { - /* Must be set to 7 for CRB Support */ - tpm2->control_area = CONFIG_CRB_TPM_BASE_ADDRESS + 0x40; - tpm2->start_method = 7; - } else { - /* Must be set to 0 for FIFO interface support */ - tpm2->control_area = 0; - tpm2->start_method = 6; - } - memset(tpm2->msp, 0, sizeof(tpm2->msp)); - - /* Fill the log area size and start address fields. */ - tpm2->laml = tpm2_log_len; - tpm2->lasa = (uintptr_t) lasa; - - /* Calculate checksum. */ - header->checksum = acpi_checksum((void *)tpm2, header->length); -} - -static void acpi_ssdt_write_cbtable(void) -{ - const struct cbmem_entry *cbtable; - uintptr_t base; - uint32_t size; - - cbtable = cbmem_entry_find(CBMEM_ID_CBTABLE); - if (!cbtable) - return; - base = (uintptr_t)cbmem_entry_start(cbtable); - size = cbmem_entry_size(cbtable); - - acpigen_write_device("CTBL"); - acpigen_write_coreboot_hid(COREBOOT_ACPI_ID_CBTABLE); - acpigen_write_name_integer("_UID", 0); - acpigen_write_STA(ACPI_STATUS_DEVICE_HIDDEN_ON); - acpigen_write_name("_CRS"); - acpigen_write_resourcetemplate_header(); - acpigen_write_mem32fixed(0, base, size); - acpigen_write_resourcetemplate_footer(); - acpigen_pop_len(); -} - -void acpi_create_ssdt_generator(acpi_header_t *ssdt, const char *oem_table_id) -{ - unsigned long current = (unsigned long)ssdt + sizeof(acpi_header_t); - - memset((void *)ssdt, 0, sizeof(acpi_header_t)); - - memcpy(&ssdt->signature, "SSDT", 4); - ssdt->revision = get_acpi_table_revision(SSDT); - memcpy(&ssdt->oem_id, OEM_ID, 6); - memcpy(&ssdt->oem_table_id, oem_table_id, 8); - ssdt->oem_revision = 42; - memcpy(&ssdt->asl_compiler_id, ASLC, 4); - ssdt->asl_compiler_revision = asl_revision; - ssdt->length = sizeof(acpi_header_t); - - acpigen_set_current((char *) current); - - /* Write object to declare coreboot tables */ - acpi_ssdt_write_cbtable(); - - { - struct device *dev; - for (dev = all_devices; dev; dev = dev->next) - if (dev->ops && dev->ops->acpi_fill_ssdt) - dev->ops->acpi_fill_ssdt(dev); - current = (unsigned long) acpigen_get_current(); - } - - /* (Re)calculate length and checksum. */ - ssdt->length = current - (unsigned long)ssdt; - ssdt->checksum = acpi_checksum((void *)ssdt, ssdt->length); -} - -int acpi_create_srat_lapic(acpi_srat_lapic_t *lapic, u8 node, u8 apic) -{ - memset((void *)lapic, 0, sizeof(acpi_srat_lapic_t)); - - lapic->type = 0; /* Processor local APIC/SAPIC affinity structure */ - lapic->length = sizeof(acpi_srat_lapic_t); - lapic->flags = (1 << 0); /* Enabled (the use of this structure). */ - lapic->proximity_domain_7_0 = node; - /* TODO: proximity_domain_31_8, local SAPIC EID, clock domain. */ - lapic->apic_id = apic; - - return lapic->length; -} - -int acpi_create_srat_mem(acpi_srat_mem_t *mem, u8 node, u32 basek, u32 sizek, - u32 flags) -{ - mem->type = 1; /* Memory affinity structure */ - mem->length = sizeof(acpi_srat_mem_t); - mem->base_address_low = (basek << 10); - mem->base_address_high = (basek >> (32 - 10)); - mem->length_low = (sizek << 10); - mem->length_high = (sizek >> (32 - 10)); - mem->proximity_domain = node; - mem->flags = flags; - - return mem->length; -} - -/* http://www.microsoft.com/whdc/system/sysinternals/sratdwn.mspx */ -void acpi_create_srat(acpi_srat_t *srat, - unsigned long (*acpi_fill_srat)(unsigned long current)) -{ - acpi_header_t *header = &(srat->header); - unsigned long current = (unsigned long)srat + sizeof(acpi_srat_t); - - memset((void *)srat, 0, sizeof(acpi_srat_t)); - - if (!header) - return; - - /* Fill out header fields. */ - memcpy(header->signature, "SRAT", 4); - memcpy(header->oem_id, OEM_ID, 6); - memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); - memcpy(header->asl_compiler_id, ASLC, 4); - - header->asl_compiler_revision = asl_revision; - header->length = sizeof(acpi_srat_t); - header->revision = get_acpi_table_revision(SRAT); - - srat->resv = 1; /* Spec: Reserved to 1 for backwards compatibility. */ - - current = acpi_fill_srat(current); - - /* (Re)calculate length and checksum. */ - header->length = current - (unsigned long)srat; - header->checksum = acpi_checksum((void *)srat, header->length); -} - -void acpi_create_dmar(acpi_dmar_t *dmar, enum dmar_flags flags, - unsigned long (*acpi_fill_dmar)(unsigned long)) -{ - acpi_header_t *header = &(dmar->header); - unsigned long current = (unsigned long)dmar + sizeof(acpi_dmar_t); - - memset((void *)dmar, 0, sizeof(acpi_dmar_t)); - - if (!header) - return; - - /* Fill out header fields. */ - memcpy(header->signature, "DMAR", 4); - memcpy(header->oem_id, OEM_ID, 6); - memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); - memcpy(header->asl_compiler_id, ASLC, 4); - - header->asl_compiler_revision = asl_revision; - header->length = sizeof(acpi_dmar_t); - header->revision = get_acpi_table_revision(DMAR); - - dmar->host_address_width = cpu_phys_address_size() - 1; - dmar->flags = flags; - - current = acpi_fill_dmar(current); - - /* (Re)calculate length and checksum. */ - header->length = current - (unsigned long)dmar; - header->checksum = acpi_checksum((void *)dmar, header->length); -} - -unsigned long acpi_create_dmar_drhd(unsigned long current, u8 flags, - u16 segment, u64 bar) -{ - dmar_entry_t *drhd = (dmar_entry_t *)current; - memset(drhd, 0, sizeof(*drhd)); - drhd->type = DMAR_DRHD; - drhd->length = sizeof(*drhd); /* will be fixed up later */ - drhd->flags = flags; - drhd->segment = segment; - drhd->bar = bar; - - return drhd->length; -} - -unsigned long acpi_create_dmar_rmrr(unsigned long current, u16 segment, - u64 bar, u64 limit) -{ - dmar_rmrr_entry_t *rmrr = (dmar_rmrr_entry_t *)current; - memset(rmrr, 0, sizeof(*rmrr)); - rmrr->type = DMAR_RMRR; - rmrr->length = sizeof(*rmrr); /* will be fixed up later */ - rmrr->segment = segment; - rmrr->bar = bar; - rmrr->limit = limit; - - return rmrr->length; -} - -unsigned long acpi_create_dmar_atsr(unsigned long current, u8 flags, - u16 segment) -{ - dmar_atsr_entry_t *atsr = (dmar_atsr_entry_t *)current; - memset(atsr, 0, sizeof(*atsr)); - atsr->type = DMAR_ATSR; - atsr->length = sizeof(*atsr); /* will be fixed up later */ - atsr->flags = flags; - atsr->segment = segment; - - return atsr->length; -} - -unsigned long acpi_create_dmar_rhsa(unsigned long current, u64 base_addr, - u32 proximity_domain) -{ - dmar_rhsa_entry_t *rhsa = (dmar_rhsa_entry_t *)current; - memset(rhsa, 0, sizeof(*rhsa)); - rhsa->type = DMAR_RHSA; - rhsa->length = sizeof(*rhsa); - rhsa->base_address = base_addr; - rhsa->proximity_domain = proximity_domain; - - return rhsa->length; -} - -unsigned long acpi_create_dmar_andd(unsigned long current, u8 device_number, - const char *device_name) -{ - dmar_andd_entry_t *andd = (dmar_andd_entry_t *)current; - int andd_len = sizeof(dmar_andd_entry_t) + strlen(device_name) + 1; - memset(andd, 0, andd_len); - andd->type = DMAR_ANDD; - andd->length = andd_len; - andd->device_number = device_number; - memcpy(&andd->device_name, device_name, strlen(device_name)); - - return andd->length; -} - -void acpi_dmar_drhd_fixup(unsigned long base, unsigned long current) -{ - dmar_entry_t *drhd = (dmar_entry_t *)base; - drhd->length = current - base; -} - -void acpi_dmar_rmrr_fixup(unsigned long base, unsigned long current) -{ - dmar_rmrr_entry_t *rmrr = (dmar_rmrr_entry_t *)base; - rmrr->length = current - base; -} - -void acpi_dmar_atsr_fixup(unsigned long base, unsigned long current) -{ - dmar_atsr_entry_t *atsr = (dmar_atsr_entry_t *)base; - atsr->length = current - base; -} - -static unsigned long acpi_create_dmar_ds(unsigned long current, - enum dev_scope_type type, u8 enumeration_id, u8 bus, u8 dev, u8 fn) -{ - /* we don't support longer paths yet */ - const size_t dev_scope_length = sizeof(dev_scope_t) + 2; - - dev_scope_t *ds = (dev_scope_t *)current; - memset(ds, 0, dev_scope_length); - ds->type = type; - ds->length = dev_scope_length; - ds->enumeration = enumeration_id; - ds->start_bus = bus; - ds->path[0].dev = dev; - ds->path[0].fn = fn; - - return ds->length; -} - -unsigned long acpi_create_dmar_ds_pci_br(unsigned long current, u8 bus, - u8 dev, u8 fn) -{ - return acpi_create_dmar_ds(current, - SCOPE_PCI_SUB, 0, bus, dev, fn); -} - -unsigned long acpi_create_dmar_ds_pci(unsigned long current, u8 bus, - u8 dev, u8 fn) -{ - return acpi_create_dmar_ds(current, - SCOPE_PCI_ENDPOINT, 0, bus, dev, fn); -} - -unsigned long acpi_create_dmar_ds_ioapic(unsigned long current, - u8 enumeration_id, u8 bus, u8 dev, u8 fn) -{ - return acpi_create_dmar_ds(current, - SCOPE_IOAPIC, enumeration_id, bus, dev, fn); -} - -unsigned long acpi_create_dmar_ds_msi_hpet(unsigned long current, - u8 enumeration_id, u8 bus, u8 dev, u8 fn) -{ - return acpi_create_dmar_ds(current, - SCOPE_MSI_HPET, enumeration_id, bus, dev, fn); -} - -/* http://h21007.www2.hp.com/portal/download/files/unprot/Itanium/slit.pdf */ -void acpi_create_slit(acpi_slit_t *slit, - unsigned long (*acpi_fill_slit)(unsigned long current)) -{ - acpi_header_t *header = &(slit->header); - unsigned long current = (unsigned long)slit + sizeof(acpi_slit_t); - - memset((void *)slit, 0, sizeof(acpi_slit_t)); - - if (!header) - return; - - /* Fill out header fields. */ - memcpy(header->signature, "SLIT", 4); - memcpy(header->oem_id, OEM_ID, 6); - memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); - memcpy(header->asl_compiler_id, ASLC, 4); - - header->asl_compiler_revision = asl_revision; - header->length = sizeof(acpi_slit_t); - header->revision = get_acpi_table_revision(SLIT); - - current = acpi_fill_slit(current); - - /* (Re)calculate length and checksum. */ - header->length = current - (unsigned long)slit; - header->checksum = acpi_checksum((void *)slit, header->length); -} - -/* http://www.intel.com/hardwaredesign/hpetspec_1.pdf */ -void acpi_create_hpet(acpi_hpet_t *hpet) -{ - acpi_header_t *header = &(hpet->header); - acpi_addr_t *addr = &(hpet->addr); - - memset((void *)hpet, 0, sizeof(acpi_hpet_t)); - - if (!header) - return; - - /* Fill out header fields. */ - memcpy(header->signature, "HPET", 4); - memcpy(header->oem_id, OEM_ID, 6); - memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); - memcpy(header->asl_compiler_id, ASLC, 4); - - header->asl_compiler_revision = asl_revision; - header->length = sizeof(acpi_hpet_t); - header->revision = get_acpi_table_revision(HPET); - - /* Fill out HPET address. */ - addr->space_id = 0; /* Memory */ - addr->bit_width = 64; - addr->bit_offset = 0; - addr->addrl = CONFIG_HPET_ADDRESS & 0xffffffff; - addr->addrh = ((unsigned long long)CONFIG_HPET_ADDRESS) >> 32; - - hpet->id = *(unsigned int *)CONFIG_HPET_ADDRESS; - hpet->number = 0; - hpet->min_tick = CONFIG_HPET_MIN_TICKS; - - header->checksum = acpi_checksum((void *)hpet, sizeof(acpi_hpet_t)); -} - -void acpi_create_vfct(const struct device *device, - acpi_vfct_t *vfct, - unsigned long (*acpi_fill_vfct)(const struct device *device, - acpi_vfct_t *vfct_struct, unsigned long current)) -{ - acpi_header_t *header = &(vfct->header); - unsigned long current = (unsigned long)vfct + sizeof(acpi_vfct_t); - - memset((void *)vfct, 0, sizeof(acpi_vfct_t)); - - if (!header) - return; - - /* Fill out header fields. */ - memcpy(header->signature, "VFCT", 4); - memcpy(header->oem_id, OEM_ID, 6); - memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); - memcpy(header->asl_compiler_id, ASLC, 4); - - header->asl_compiler_revision = asl_revision; - header->revision = get_acpi_table_revision(VFCT); - - current = acpi_fill_vfct(device, vfct, current); - - /* If no BIOS image, return with header->length == 0. */ - if (!vfct->VBIOSImageOffset) - return; - - /* (Re)calculate length and checksum. */ - header->length = current - (unsigned long)vfct; - header->checksum = acpi_checksum((void *)vfct, header->length); -} - -void acpi_create_ipmi(const struct device *device, - struct acpi_spmi *spmi, - const u16 ipmi_revision, - const acpi_addr_t *addr, - const enum acpi_ipmi_interface_type type, - const s8 gpe_interrupt, - const u32 apic_interrupt, - const u32 uid) -{ - acpi_header_t *header = &(spmi->header); - memset((void *)spmi, 0, sizeof(struct acpi_spmi)); - - /* Fill out header fields. */ - memcpy(header->signature, "SPMI", 4); - memcpy(header->oem_id, OEM_ID, 6); - memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); - memcpy(header->asl_compiler_id, ASLC, 4); - - header->asl_compiler_revision = asl_revision; - header->length = sizeof(struct acpi_spmi); - header->revision = get_acpi_table_revision(SPMI); - - spmi->reserved = 1; - - if (device->path.type == DEVICE_PATH_PCI) { - spmi->pci_device_flag = ACPI_IPMI_PCI_DEVICE_FLAG; - spmi->pci_bus = device->bus->secondary; - spmi->pci_device = device->path.pci.devfn >> 3; - spmi->pci_function = device->path.pci.devfn & 0x7; - } else if (type != IPMI_INTERFACE_SSIF) { - memcpy(spmi->uid, &uid, sizeof(spmi->uid)); - } - - spmi->base_address = *addr; - spmi->specification_revision = ipmi_revision; - - spmi->interface_type = type; - - if (gpe_interrupt >= 0 && gpe_interrupt < 32) { - spmi->gpe = gpe_interrupt; - spmi->interrupt_type |= ACPI_IPMI_INT_TYPE_SCI; - } - if (apic_interrupt > 0) { - spmi->global_system_interrupt = apic_interrupt; - spmi->interrupt_type |= ACPI_IPMI_INT_TYPE_APIC; - } - - /* Calculate checksum. */ - header->checksum = acpi_checksum((void *)spmi, header->length); -} - -void acpi_create_ivrs(acpi_ivrs_t *ivrs, - unsigned long (*acpi_fill_ivrs)(acpi_ivrs_t *ivrs_struct, - unsigned long current)) -{ - acpi_header_t *header = &(ivrs->header); - unsigned long current = (unsigned long)ivrs + sizeof(acpi_ivrs_t); - - memset((void *)ivrs, 0, sizeof(acpi_ivrs_t)); - - if (!header) - return; - - /* Fill out header fields. */ - memcpy(header->signature, "IVRS", 4); - memcpy(header->oem_id, OEM_ID, 6); - memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); - memcpy(header->asl_compiler_id, ASLC, 4); - - header->asl_compiler_revision = asl_revision; - header->length = sizeof(acpi_ivrs_t); - header->revision = get_acpi_table_revision(IVRS); - - current = acpi_fill_ivrs(ivrs, current); - - /* (Re)calculate length and checksum. */ - header->length = current - (unsigned long)ivrs; - header->checksum = acpi_checksum((void *)ivrs, header->length); -} - -unsigned long acpi_write_hpet(const struct device *device, unsigned long current, - acpi_rsdp_t *rsdp) -{ - acpi_hpet_t *hpet; - - /* - * We explicitly add these tables later on: - */ - printk(BIOS_DEBUG, "ACPI: * HPET\n"); - - hpet = (acpi_hpet_t *) current; - current += sizeof(acpi_hpet_t); - current = ALIGN_UP(current, 16); - acpi_create_hpet(hpet); - acpi_add_table(rsdp, hpet); - - return current; -} - -void acpi_create_dbg2(acpi_dbg2_header_t *dbg2, - int port_type, int port_subtype, - acpi_addr_t *address, uint32_t address_size, - const char *device_path) -{ - uintptr_t current; - acpi_dbg2_device_t *device; - uint32_t *dbg2_addr_size; - acpi_header_t *header; - size_t path_len; - const char *path; - char *namespace; - - /* Fill out header fields. */ - current = (uintptr_t)dbg2; - memset(dbg2, 0, sizeof(acpi_dbg2_header_t)); - header = &(dbg2->header); - - if (!header) - return; - - header->revision = get_acpi_table_revision(DBG2); - memcpy(header->signature, "DBG2", 4); - memcpy(header->oem_id, OEM_ID, 6); - memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); - memcpy(header->asl_compiler_id, ASLC, 4); - header->asl_compiler_revision = asl_revision; - - /* One debug device defined */ - dbg2->devices_offset = sizeof(acpi_dbg2_header_t); - dbg2->devices_count = 1; - current += sizeof(acpi_dbg2_header_t); - - /* Device comes after the header */ - device = (acpi_dbg2_device_t *)current; - memset(device, 0, sizeof(acpi_dbg2_device_t)); - current += sizeof(acpi_dbg2_device_t); - - device->revision = 0; - device->address_count = 1; - device->port_type = port_type; - device->port_subtype = port_subtype; - - /* Base Address comes after device structure */ - memcpy((void *)current, address, sizeof(acpi_addr_t)); - device->base_address_offset = current - (uintptr_t)device; - current += sizeof(acpi_addr_t); - - /* Address Size comes after address structure */ - dbg2_addr_size = (uint32_t *)current; - device->address_size_offset = current - (uintptr_t)device; - *dbg2_addr_size = address_size; - current += sizeof(uint32_t); - - /* Namespace string comes last, use '.' if not provided */ - path = device_path ? : "."; - /* Namespace string length includes NULL terminator */ - path_len = strlen(path) + 1; - namespace = (char *)current; - device->namespace_string_length = path_len; - device->namespace_string_offset = current - (uintptr_t)device; - strncpy(namespace, path, path_len); - current += path_len; - - /* Update structure lengths and checksum */ - device->length = current - (uintptr_t)device; - header->length = current - (uintptr_t)dbg2; - header->checksum = acpi_checksum((uint8_t *)dbg2, header->length); -} - -unsigned long acpi_write_dbg2_pci_uart(acpi_rsdp_t *rsdp, unsigned long current, - const struct device *dev, uint8_t access_size) -{ - acpi_dbg2_header_t *dbg2 = (acpi_dbg2_header_t *)current; - struct resource *res; - acpi_addr_t address; - - if (!dev) { - printk(BIOS_DEBUG, "%s: Device not found\n", __func__); - return current; - } - if (!dev->enabled) { - printk(BIOS_INFO, "%s: Device not enabled\n", __func__); - return current; - } - res = find_resource(dev, PCI_BASE_ADDRESS_0); - if (!res) { - printk(BIOS_ERR, "%s: Unable to find resource for %s\n", - __func__, dev_path(dev)); - return current; - } - - memset(&address, 0, sizeof(address)); - if (res->flags & IORESOURCE_IO) - address.space_id = ACPI_ADDRESS_SPACE_IO; - else if (res->flags & IORESOURCE_MEM) - address.space_id = ACPI_ADDRESS_SPACE_MEMORY; - else { - printk(BIOS_ERR, "%s: Unknown address space type\n", __func__); - return current; - } - - address.addrl = (uint32_t)res->base; - address.addrh = (uint32_t)((res->base >> 32) & 0xffffffff); - address.access_size = access_size; - - acpi_create_dbg2(dbg2, - ACPI_DBG2_PORT_SERIAL, - ACPI_DBG2_PORT_SERIAL_16550, - &address, res->size, - acpi_device_path(dev)); - - if (dbg2->header.length) { - current += dbg2->header.length; - current = acpi_align_current(current); - acpi_add_table(rsdp, dbg2); - } - - return current; -} - -void acpi_create_facs(acpi_facs_t *facs) -{ - memset((void *)facs, 0, sizeof(acpi_facs_t)); - - memcpy(facs->signature, "FACS", 4); - facs->length = sizeof(acpi_facs_t); - facs->hardware_signature = 0; - facs->firmware_waking_vector = 0; - facs->global_lock = 0; - facs->flags = 0; - facs->x_firmware_waking_vector_l = 0; - facs->x_firmware_waking_vector_h = 0; - facs->version = get_acpi_table_revision(FACS); -} - -static void acpi_write_rsdt(acpi_rsdt_t *rsdt, char *oem_id, char *oem_table_id) -{ - acpi_header_t *header = &(rsdt->header); - - if (!header) - return; - - /* Fill out header fields. */ - memcpy(header->signature, "RSDT", 4); - memcpy(header->oem_id, oem_id, 6); - memcpy(header->oem_table_id, oem_table_id, 8); - memcpy(header->asl_compiler_id, ASLC, 4); - - header->asl_compiler_revision = asl_revision; - header->length = sizeof(acpi_rsdt_t); - header->revision = get_acpi_table_revision(RSDT); - - /* Entries are filled in later, we come with an empty set. */ - - /* Fix checksum. */ - header->checksum = acpi_checksum((void *)rsdt, sizeof(acpi_rsdt_t)); -} - -static void acpi_write_xsdt(acpi_xsdt_t *xsdt, char *oem_id, char *oem_table_id) -{ - acpi_header_t *header = &(xsdt->header); - - if (!header) - return; - - /* Fill out header fields. */ - memcpy(header->signature, "XSDT", 4); - memcpy(header->oem_id, oem_id, 6); - memcpy(header->oem_table_id, oem_table_id, 8); - memcpy(header->asl_compiler_id, ASLC, 4); - - header->asl_compiler_revision = asl_revision; - header->length = sizeof(acpi_xsdt_t); - header->revision = get_acpi_table_revision(XSDT); - - /* Entries are filled in later, we come with an empty set. */ - - /* Fix checksum. */ - header->checksum = acpi_checksum((void *)xsdt, sizeof(acpi_xsdt_t)); -} - -static void acpi_write_rsdp(acpi_rsdp_t *rsdp, acpi_rsdt_t *rsdt, - acpi_xsdt_t *xsdt, char *oem_id) -{ - memset(rsdp, 0, sizeof(acpi_rsdp_t)); - - memcpy(rsdp->signature, RSDP_SIG, 8); - memcpy(rsdp->oem_id, oem_id, 6); - - rsdp->length = sizeof(acpi_rsdp_t); - rsdp->rsdt_address = (uintptr_t)rsdt; - - /* - * Revision: ACPI 1.0: 0, ACPI 2.0/3.0/4.0: 2. - * - * Some OSes expect an XSDT to be present for RSD PTR revisions >= 2. - * If we don't have an ACPI XSDT, force ACPI 1.0 (and thus RSD PTR - * revision 0). - */ - if (xsdt == NULL) { - rsdp->revision = 0; - } else { - rsdp->xsdt_address = (u64)(uintptr_t)xsdt; - rsdp->revision = get_acpi_table_revision(RSDP); - } - - /* Calculate checksums. */ - rsdp->checksum = acpi_checksum((void *)rsdp, 20); - rsdp->ext_checksum = acpi_checksum((void *)rsdp, sizeof(acpi_rsdp_t)); -} - -unsigned long acpi_create_hest_error_source(acpi_hest_t *hest, - acpi_hest_esd_t *esd, u16 type, void *data, u16 data_len) -{ - acpi_header_t *header = &(hest->header); - acpi_hest_hen_t *hen; - void *pos; - u16 len; - - pos = esd; - memset(pos, 0, sizeof(acpi_hest_esd_t)); - len = 0; - esd->type = type; /* MCE */ - esd->source_id = hest->error_source_count; - esd->flags = 0; /* FIRMWARE_FIRST */ - esd->enabled = 1; - esd->prealloc_erecords = 1; - esd->max_section_per_record = 0x1; - - len += sizeof(acpi_hest_esd_t); - pos = esd + 1; - - switch (type) { - case 0: /* MCE */ - break; - case 1: /* CMC */ - hen = (acpi_hest_hen_t *) (pos); - memset(pos, 0, sizeof(acpi_hest_hen_t)); - hen->type = 3; /* SCI? */ - hen->length = sizeof(acpi_hest_hen_t); - hen->conf_we = 0; /* Configuration Write Enable. */ - hen->poll_interval = 0; - hen->vector = 0; - hen->sw2poll_threshold_val = 0; - hen->sw2poll_threshold_win = 0; - hen->error_threshold_val = 0; - hen->error_threshold_win = 0; - len += sizeof(acpi_hest_hen_t); - pos = hen + 1; - break; - case 2: /* NMI */ - case 6: /* AER Root Port */ - case 7: /* AER Endpoint */ - case 8: /* AER Bridge */ - case 9: /* Generic Hardware Error Source. */ - /* TODO: */ - break; - default: - printk(BIOS_DEBUG, "Invalid type of Error Source."); - break; - } - hest->error_source_count++; - - memcpy(pos, data, data_len); - len += data_len; - if (header) - header->length += len; - - return len; -} - -/* ACPI 4.0 */ -void acpi_write_hest(acpi_hest_t *hest, - unsigned long (*acpi_fill_hest)(acpi_hest_t *hest)) -{ - acpi_header_t *header = &(hest->header); - - memset(hest, 0, sizeof(acpi_hest_t)); - - if (!header) - return; - - memcpy(header->signature, "HEST", 4); - memcpy(header->oem_id, OEM_ID, 6); - memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); - memcpy(header->asl_compiler_id, ASLC, 4); - header->asl_compiler_revision = asl_revision; - header->length += sizeof(acpi_hest_t); - header->revision = get_acpi_table_revision(HEST); - - acpi_fill_hest(hest); - - /* Calculate checksums. */ - header->checksum = acpi_checksum((void *)hest, header->length); -} - -/* ACPI 3.0b */ -void acpi_write_bert(acpi_bert_t *bert, uintptr_t region, size_t length) -{ - acpi_header_t *header = &(bert->header); - - memset(bert, 0, sizeof(acpi_bert_t)); - - if (!header) - return; - - memcpy(header->signature, "BERT", 4); - memcpy(header->oem_id, OEM_ID, 6); - memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); - memcpy(header->asl_compiler_id, ASLC, 4); - header->asl_compiler_revision = asl_revision; - header->length += sizeof(acpi_bert_t); - header->revision = get_acpi_table_revision(BERT); - - bert->error_region = region; - bert->region_length = length; - - /* Calculate checksums. */ - header->checksum = acpi_checksum((void *)bert, header->length); -} - -#if CONFIG(COMMON_FADT) -void acpi_create_fadt(acpi_fadt_t *fadt, acpi_facs_t *facs, void *dsdt) -{ - acpi_header_t *header = &(fadt->header); - - memset((void *) fadt, 0, sizeof(acpi_fadt_t)); - - if (!header) - return; - - memcpy(header->signature, "FACP", 4); - header->length = sizeof(acpi_fadt_t); - header->revision = get_acpi_table_revision(FADT); - memcpy(header->oem_id, OEM_ID, 6); - memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); - memcpy(header->asl_compiler_id, ASLC, 4); - header->asl_compiler_revision = asl_revision; - - fadt->firmware_ctrl = (unsigned long) facs; - fadt->dsdt = (unsigned long) dsdt; - - fadt->x_firmware_ctl_l = (unsigned long)facs; - fadt->x_firmware_ctl_h = 0; - fadt->x_dsdt_l = (unsigned long)dsdt; - fadt->x_dsdt_h = 0; - - if (CONFIG(SYSTEM_TYPE_CONVERTIBLE) || - CONFIG(SYSTEM_TYPE_LAPTOP)) - fadt->preferred_pm_profile = PM_MOBILE; - else if (CONFIG(SYSTEM_TYPE_DETACHABLE) || - CONFIG(SYSTEM_TYPE_TABLET)) - fadt->preferred_pm_profile = PM_TABLET; - else - fadt->preferred_pm_profile = PM_DESKTOP; - - acpi_fill_fadt(fadt); - - header->checksum = - acpi_checksum((void *) fadt, header->length); -} -#endif - -unsigned long __weak fw_cfg_acpi_tables(unsigned long start) -{ - return 0; -} - -unsigned long write_acpi_tables(unsigned long start) -{ - unsigned long current; - acpi_rsdp_t *rsdp; - acpi_rsdt_t *rsdt; - acpi_xsdt_t *xsdt; - acpi_fadt_t *fadt; - acpi_facs_t *facs; - acpi_header_t *slic_file, *slic; - acpi_header_t *ssdt; - acpi_header_t *dsdt_file, *dsdt; - acpi_mcfg_t *mcfg; - acpi_tcpa_t *tcpa; - acpi_tpm2_t *tpm2; - acpi_madt_t *madt; - struct device *dev; - unsigned long fw; - size_t slic_size, dsdt_size; - char oem_id[6], oem_table_id[8]; - - current = start; - - /* Align ACPI tables to 16byte */ - current = acpi_align_current(current); - - /* Special case for qemu */ - fw = fw_cfg_acpi_tables(current); - if (fw) { - rsdp = NULL; - /* Find RSDP. */ - for (void *p = (void *)current; p < (void *)fw; p += 16) { - if (valid_rsdp((acpi_rsdp_t *)p)) { - rsdp = p; - break; - } - } - if (!rsdp) - return fw; - - /* Add BOOT0000 for Linux google firmware driver */ - printk(BIOS_DEBUG, "ACPI: * SSDT\n"); - ssdt = (acpi_header_t *)fw; - current = (unsigned long)ssdt + sizeof(acpi_header_t); - - memset((void *)ssdt, 0, sizeof(acpi_header_t)); - - memcpy(&ssdt->signature, "SSDT", 4); - ssdt->revision = get_acpi_table_revision(SSDT); - memcpy(&ssdt->oem_id, OEM_ID, 6); - memcpy(&ssdt->oem_table_id, oem_table_id, 8); - ssdt->oem_revision = 42; - memcpy(&ssdt->asl_compiler_id, ASLC, 4); - ssdt->asl_compiler_revision = asl_revision; - ssdt->length = sizeof(acpi_header_t); - - acpigen_set_current((char *) current); - - /* Write object to declare coreboot tables */ - acpi_ssdt_write_cbtable(); - - /* (Re)calculate length and checksum. */ - ssdt->length = current - (unsigned long)ssdt; - ssdt->checksum = acpi_checksum((void *)ssdt, ssdt->length); - - acpi_create_ssdt_generator(ssdt, ACPI_TABLE_CREATOR); - - acpi_add_table(rsdp, ssdt); - - return fw; - } - - dsdt_file = cbfs_boot_map_with_leak( - CONFIG_CBFS_PREFIX "/dsdt.aml", - CBFS_TYPE_RAW, &dsdt_size); - if (!dsdt_file) { - printk(BIOS_ERR, "No DSDT file, skipping ACPI tables\n"); - return current; - } - - if (dsdt_file->length > dsdt_size - || dsdt_file->length < sizeof(acpi_header_t) - || memcmp(dsdt_file->signature, "DSDT", 4) != 0) { - printk(BIOS_ERR, "Invalid DSDT file, skipping ACPI tables\n"); - return current; - } - - slic_file = cbfs_boot_map_with_leak(CONFIG_CBFS_PREFIX "/slic", - CBFS_TYPE_RAW, &slic_size); - if (slic_file - && (slic_file->length > slic_size - || slic_file->length < sizeof(acpi_header_t) - || memcmp(slic_file->signature, "SLIC", 4) != 0)) { - slic_file = 0; - } - - if (slic_file) { - memcpy(oem_id, slic_file->oem_id, 6); - memcpy(oem_table_id, slic_file->oem_table_id, 8); - } else { - memcpy(oem_id, OEM_ID, 6); - memcpy(oem_table_id, ACPI_TABLE_CREATOR, 8); - } - - printk(BIOS_INFO, "ACPI: Writing ACPI tables at %lx.\n", start); - - /* We need at least an RSDP and an RSDT Table */ - rsdp = (acpi_rsdp_t *) current; - current += sizeof(acpi_rsdp_t); - current = acpi_align_current(current); - rsdt = (acpi_rsdt_t *) current; - current += sizeof(acpi_rsdt_t); - current = acpi_align_current(current); - xsdt = (acpi_xsdt_t *) current; - current += sizeof(acpi_xsdt_t); - current = acpi_align_current(current); - - /* clear all table memory */ - memset((void *) start, 0, current - start); - - acpi_write_rsdp(rsdp, rsdt, xsdt, oem_id); - acpi_write_rsdt(rsdt, oem_id, oem_table_id); - acpi_write_xsdt(xsdt, oem_id, oem_table_id); - - printk(BIOS_DEBUG, "ACPI: * FACS\n"); - current = ALIGN_UP(current, 64); - facs = (acpi_facs_t *) current; - current += sizeof(acpi_facs_t); - current = acpi_align_current(current); - acpi_create_facs(facs); - - printk(BIOS_DEBUG, "ACPI: * DSDT\n"); - dsdt = (acpi_header_t *) current; - memcpy(dsdt, dsdt_file, sizeof(acpi_header_t)); - if (dsdt->length >= sizeof(acpi_header_t)) { - current += sizeof(acpi_header_t); - - acpigen_set_current((char *) current); - for (dev = all_devices; dev; dev = dev->next) - if (dev->ops && dev->ops->acpi_inject_dsdt) - dev->ops->acpi_inject_dsdt(dev); - current = (unsigned long) acpigen_get_current(); - memcpy((char *)current, - (char *)dsdt_file + sizeof(acpi_header_t), - dsdt->length - sizeof(acpi_header_t)); - current += dsdt->length - sizeof(acpi_header_t); - - /* (Re)calculate length and checksum. */ - dsdt->length = current - (unsigned long)dsdt; - dsdt->checksum = 0; - dsdt->checksum = acpi_checksum((void *)dsdt, dsdt->length); - } - - current = acpi_align_current(current); - - printk(BIOS_DEBUG, "ACPI: * FADT\n"); - fadt = (acpi_fadt_t *) current; - current += sizeof(acpi_fadt_t); - current = acpi_align_current(current); - - acpi_create_fadt(fadt, facs, dsdt); - acpi_add_table(rsdp, fadt); - - if (slic_file) { - printk(BIOS_DEBUG, "ACPI: * SLIC\n"); - slic = (acpi_header_t *)current; - memcpy(slic, slic_file, slic_file->length); - current += slic_file->length; - current = acpi_align_current(current); - acpi_add_table(rsdp, slic); - } - - printk(BIOS_DEBUG, "ACPI: * SSDT\n"); - ssdt = (acpi_header_t *)current; - acpi_create_ssdt_generator(ssdt, ACPI_TABLE_CREATOR); - if (ssdt->length > sizeof(acpi_header_t)) { - current += ssdt->length; - acpi_add_table(rsdp, ssdt); - current = acpi_align_current(current); - } - - printk(BIOS_DEBUG, "ACPI: * MCFG\n"); - mcfg = (acpi_mcfg_t *) current; - acpi_create_mcfg(mcfg); - if (mcfg->header.length > sizeof(acpi_mcfg_t)) { - current += mcfg->header.length; - current = acpi_align_current(current); - acpi_add_table(rsdp, mcfg); - } - - if (CONFIG(TPM1)) { - printk(BIOS_DEBUG, "ACPI: * TCPA\n"); - tcpa = (acpi_tcpa_t *) current; - acpi_create_tcpa(tcpa); - if (tcpa->header.length >= sizeof(acpi_tcpa_t)) { - current += tcpa->header.length; - current = acpi_align_current(current); - acpi_add_table(rsdp, tcpa); - } - } - - if (CONFIG(TPM2)) { - printk(BIOS_DEBUG, "ACPI: * TPM2\n"); - tpm2 = (acpi_tpm2_t *) current; - acpi_create_tpm2(tpm2); - if (tpm2->header.length >= sizeof(acpi_tpm2_t)) { - current += tpm2->header.length; - current = acpi_align_current(current); - acpi_add_table(rsdp, tpm2); - } - } - - printk(BIOS_DEBUG, "ACPI: * MADT\n"); - - madt = (acpi_madt_t *) current; - acpi_create_madt(madt); - if (madt->header.length > sizeof(acpi_madt_t)) { - current += madt->header.length; - acpi_add_table(rsdp, madt); - } - current = acpi_align_current(current); - - printk(BIOS_DEBUG, "current = %lx\n", current); - - for (dev = all_devices; dev; dev = dev->next) { - if (dev->ops && dev->ops->write_acpi_tables) { - current = dev->ops->write_acpi_tables(dev, current, - rsdp); - current = acpi_align_current(current); - } - } - - printk(BIOS_INFO, "ACPI: done.\n"); - return current; -} - -static acpi_rsdp_t *valid_rsdp(acpi_rsdp_t *rsdp) -{ - if (strncmp((char *)rsdp, RSDP_SIG, sizeof(RSDP_SIG) - 1) != 0) - return NULL; - - printk(BIOS_DEBUG, "Looking on %p for valid checksum\n", rsdp); - - if (acpi_checksum((void *)rsdp, 20) != 0) - return NULL; - printk(BIOS_DEBUG, "Checksum 1 passed\n"); - - if ((rsdp->revision > 1) && (acpi_checksum((void *)rsdp, - rsdp->length) != 0)) - return NULL; - printk(BIOS_DEBUG, "Checksum 2 passed all OK\n"); - - return rsdp; -} - -void *acpi_find_wakeup_vector(void) -{ - char *p, *end; - acpi_rsdt_t *rsdt; - acpi_facs_t *facs; - acpi_fadt_t *fadt = NULL; - acpi_rsdp_t *rsdp = NULL; - void *wake_vec; - int i; - - if (!acpi_is_wakeup()) - return NULL; - - printk(BIOS_DEBUG, "Trying to find the wakeup vector...\n"); - - /* Find RSDP. */ - for (p = (char *)0xe0000; p < (char *)0xfffff; p += 16) { - rsdp = valid_rsdp((acpi_rsdp_t *)p); - if (rsdp) - break; - } - - if (rsdp == NULL) { - printk(BIOS_ALERT, - "No RSDP found, wake up from S3 not possible.\n"); - return NULL; - } - - printk(BIOS_DEBUG, "RSDP found at %p\n", rsdp); - rsdt = (acpi_rsdt_t *)(uintptr_t)rsdp->rsdt_address; - - end = (char *)rsdt + rsdt->header.length; - printk(BIOS_DEBUG, "RSDT found at %p ends at %p\n", rsdt, end); - - for (i = 0; ((char *)&rsdt->entry[i]) < end; i++) { - fadt = (acpi_fadt_t *)(uintptr_t)rsdt->entry[i]; - if (strncmp((char *)fadt, "FACP", 4) == 0) - break; - fadt = NULL; - } - - if (fadt == NULL) { - printk(BIOS_ALERT, - "No FADT found, wake up from S3 not possible.\n"); - return NULL; - } - - printk(BIOS_DEBUG, "FADT found at %p\n", fadt); - facs = (acpi_facs_t *)(uintptr_t)fadt->firmware_ctrl; - - if (facs == NULL) { - printk(BIOS_ALERT, - "No FACS found, wake up from S3 not possible.\n"); - return NULL; - } - - printk(BIOS_DEBUG, "FACS found at %p\n", facs); - wake_vec = (void *)(uintptr_t)facs->firmware_waking_vector; - printk(BIOS_DEBUG, "OS waking vector is %p\n", wake_vec); - - return wake_vec; -} - -__weak int acpi_get_gpe(int gpe) -{ - return -1; /* implemented by SOC */ -} - -int get_acpi_table_revision(enum acpi_tables table) -{ - switch (table) { - case FADT: - return ACPI_FADT_REV_ACPI_6_0; - case MADT: /* ACPI 3.0: 2, ACPI 4.0/5.0: 3, ACPI 6.2b/6.3: 5 */ - return 3; - case MCFG: - return 1; - case TCPA: - return 2; - case TPM2: - return 4; - case SSDT: /* ACPI 3.0 upto 6.3: 2 */ - return 2; - case SRAT: /* ACPI 2.0: 1, ACPI 3.0: 2, ACPI 4.0 upto 6.3: 3 */ - return 1; /* TODO Should probably be upgraded to 2 */ - case DMAR: - return 1; - case SLIT: /* ACPI 2.0 upto 6.3: 1 */ - return 1; - case SPMI: /* IMPI 2.0 */ - return 5; - case HPET: /* Currently 1. Table added in ACPI 2.0. */ - return 1; - case VFCT: /* ACPI 2.0/3.0/4.0: 1 */ - return 1; - case IVRS: - return IVRS_FORMAT_FIXED; - case DBG2: - return 0; - case FACS: /* ACPI 2.0/3.0: 1, ACPI 4.0 upto 6.3: 2 */ - return 1; - case RSDT: /* ACPI 1.0 upto 6.3: 1 */ - return 1; - case XSDT: /* ACPI 2.0 upto 6.3: 1 */ - return 1; - case RSDP: /* ACPI 2.0 upto 6.3: 2 */ - return 2; - case HEST: - return 1; - case NHLT: - return 5; - case BERT: - return 1; - default: - return -1; - } - return -1; -} |