diff options
Diffstat (limited to 'src/arch')
| -rw-r--r-- | src/arch/x86/Makefile.inc | 6 | ||||
| -rw-r--r-- | src/arch/x86/acpi.c | 1641 | ||||
| -rw-r--r-- | src/arch/x86/acpi_device.c | 961 | ||||
| -rw-r--r-- | src/arch/x86/acpi_pld.c | 160 | ||||
| -rw-r--r-- | src/arch/x86/acpigen.c | 1888 | ||||
| -rw-r--r-- | src/arch/x86/acpigen_dsm.c | 52 | ||||
| -rw-r--r-- | src/arch/x86/acpigen_ps2_keybd.c | 302 |
7 files changed, 0 insertions, 5010 deletions
diff --git a/src/arch/x86/Makefile.inc b/src/arch/x86/Makefile.inc index 2d007094c7..aa1f5fef5f 100644 --- a/src/arch/x86/Makefile.inc +++ b/src/arch/x86/Makefile.inc @@ -230,12 +230,6 @@ $(CONFIG_CBFS_PREFIX)/postcar-compression := none ifeq ($(CONFIG_ARCH_RAMSTAGE_X86_32)$(CONFIG_ARCH_RAMSTAGE_X86_64),y) -ramstage-$(CONFIG_HAVE_ACPI_TABLES) += acpi.c -ramstage-$(CONFIG_HAVE_ACPI_TABLES) += acpigen.c -ramstage-$(CONFIG_HAVE_ACPI_TABLES) += acpigen_dsm.c -ramstage-$(CONFIG_HAVE_ACPI_TABLES) += acpi_device.c -ramstage-$(CONFIG_HAVE_ACPI_TABLES) += acpi_pld.c -ramstage-$(CONFIG_HAVE_ACPI_TABLES) += acpigen_ps2_keybd.c ramstage-$(CONFIG_HAVE_ACPI_RESUME) += acpi_s3.c ramstage-$(CONFIG_ACPI_BERT) += acpi_bert_storage.c ramstage-y += c_start.S 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; -} diff --git a/src/arch/x86/acpi_device.c b/src/arch/x86/acpi_device.c deleted file mode 100644 index 9f63200121..0000000000 --- a/src/arch/x86/acpi_device.c +++ /dev/null @@ -1,961 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* This file is part of the coreboot project. */ - -#include <assert.h> -#include <string.h> -#include <arch/acpi.h> -#include <arch/acpi_device.h> -#include <arch/acpigen.h> -#include <device/device.h> -#include <device/path.h> -#include <stdlib.h> -#include <crc_byte.h> - -#if CONFIG(GENERIC_GPIO_LIB) -#include <gpio.h> -#endif - -#define ACPI_DP_UUID "daffd814-6eba-4d8c-8a91-bc9bbf4aa301" -#define ACPI_DP_CHILD_UUID "dbb8e3e6-5886-4ba6-8795-1319f52a966b" - -/* Write empty word value and return pointer to it */ -static void *acpi_device_write_zero_len(void) -{ - char *p = acpigen_get_current(); - acpigen_emit_word(0); - return p; -} - -/* Fill in length value from start to current at specified location */ -static void acpi_device_fill_from_len(char *ptr, char *start) -{ - uint16_t len = acpigen_get_current() - start; - ptr[0] = len & 0xff; - ptr[1] = (len >> 8) & 0xff; -} - -/* - * Fill in the length field with the value calculated from after - * the 16bit field to acpigen current as this length value does - * not include the length field itself. - */ -static void acpi_device_fill_len(void *ptr) -{ - acpi_device_fill_from_len(ptr, ptr + sizeof(uint16_t)); -} - -/* Locate and return the ACPI name for this device */ -const char *acpi_device_name(const struct device *dev) -{ - const struct device *pdev = dev; - const char *name = NULL; - - if (!dev) - return NULL; - - /* Check for device specific handler */ - if (dev->ops->acpi_name) - return dev->ops->acpi_name(dev); - - /* Walk up the tree to find if any parent can identify this device */ - while (pdev->bus) { - pdev = pdev->bus->dev; - if (!pdev) - break; - if (pdev->path.type == DEVICE_PATH_ROOT) - break; - if (pdev->ops && pdev->ops->acpi_name) - name = pdev->ops->acpi_name(dev); - if (name) - return name; - } - - return NULL; -} - -/* Locate and return the ACPI _HID (Hardware ID) for this device */ -const char *acpi_device_hid(const struct device *dev) -{ - if (!dev) - return NULL; - - /* Check for device specific handler */ - if (dev->ops->acpi_hid) - return dev->ops->acpi_hid(dev); - - /* - * Don't walk up the tree to find any parent that can identify this device, as - * PNP devices are hard to identify. - */ - - return NULL; -} - -/* - * Generate unique ID based on the ACPI path. - * Collisions on the same _HID are possible but very unlikely. - */ -uint32_t acpi_device_uid(const struct device *dev) -{ - const char *path = acpi_device_path(dev); - if (!path) - return 0; - - return CRC(path, strlen(path), crc32_byte); -} - -/* Recursive function to find the root device and print a path from there */ -static ssize_t acpi_device_path_fill(const struct device *dev, char *buf, - size_t buf_len, size_t cur) -{ - const char *name = acpi_device_name(dev); - ssize_t next = 0; - - if (!name) - return -1; - - /* - * Make sure this name segment will fit, including the path segment - * separator and possible NUL terminator if this is the last segment. - */ - if (!dev || (cur + strlen(name) + 2) > buf_len) - return cur; - - /* Walk up the tree to the root device */ - if (dev->path.type != DEVICE_PATH_ROOT && dev->bus && dev->bus->dev) - next = acpi_device_path_fill(dev->bus->dev, buf, buf_len, cur); - if (next < 0) - return next; - - /* Fill in the path from the root device */ - next += snprintf(buf + next, buf_len - next, "%s%s", - (dev->path.type == DEVICE_PATH_ROOT - || (strlen(name) == 0)) ? - "" : ".", name); - - return next; -} - -/* - * Warning: just as with dev_path() this uses a static buffer - * so should not be called mulitple times in one statement - */ -const char *acpi_device_path(const struct device *dev) -{ - static char buf[DEVICE_PATH_MAX] = {}; - - if (!dev) - return NULL; - - if (acpi_device_path_fill(dev, buf, sizeof(buf), 0) <= 0) - return NULL; - - return buf; -} - -/* Return the path of the parent device as the ACPI Scope for this device */ -const char *acpi_device_scope(const struct device *dev) -{ - static char buf[DEVICE_PATH_MAX] = {}; - - if (!dev || !dev->bus || !dev->bus->dev) - return NULL; - - if (acpi_device_path_fill(dev->bus->dev, buf, sizeof(buf), 0) <= 0) - return NULL; - - return buf; -} - -/* Concatenate the device path and provided name suffix */ -const char *acpi_device_path_join(const struct device *dev, const char *name) -{ - static char buf[DEVICE_PATH_MAX] = {}; - ssize_t len; - - if (!dev) - return NULL; - - /* Build the path of this device */ - len = acpi_device_path_fill(dev, buf, sizeof(buf), 0); - if (len <= 0) - return NULL; - - /* Ensure there is room for the added name, separator, and NUL */ - if ((len + strlen(name) + 2) > sizeof(buf)) - return NULL; - snprintf(buf + len, sizeof(buf) - len, ".%s", name); - - return buf; -} - -int acpi_device_status(const struct device *dev) -{ - if (!dev->enabled) - return ACPI_STATUS_DEVICE_ALL_OFF; - if (dev->hidden) - return ACPI_STATUS_DEVICE_HIDDEN_ON; - return ACPI_STATUS_DEVICE_ALL_ON; -} - - -/* Write the unique _UID based on ACPI device path. */ -void acpi_device_write_uid(const struct device *dev) -{ - acpigen_write_name_integer("_UID", acpi_device_uid(dev)); -} - -/* ACPI 6.1 section 6.4.3.6: Extended Interrupt Descriptor */ -void acpi_device_write_interrupt(const struct acpi_irq *irq) -{ - void *desc_length; - uint8_t flags; - - if (!irq || !irq->pin) - return; - - /* This is supported by GpioInt() but not Interrupt() */ - if (irq->polarity == ACPI_IRQ_ACTIVE_BOTH) - return; - - /* Byte 0: Descriptor Type */ - acpigen_emit_byte(ACPI_DESCRIPTOR_INTERRUPT); - - /* Byte 1-2: Length (filled in later) */ - desc_length = acpi_device_write_zero_len(); - - /* - * Byte 3: Flags - * [7:5]: Reserved - * [4]: Wake (0=NO_WAKE 1=WAKE) - * [3]: Sharing (0=EXCLUSIVE 1=SHARED) - * [2]: Polarity (0=HIGH 1=LOW) - * [1]: Mode (0=LEVEL 1=EDGE) - * [0]: Resource (0=PRODUCER 1=CONSUMER) - */ - flags = 1 << 0; /* ResourceConsumer */ - if (irq->mode == ACPI_IRQ_EDGE_TRIGGERED) - flags |= 1 << 1; - if (irq->polarity == ACPI_IRQ_ACTIVE_LOW) - flags |= 1 << 2; - if (irq->shared == ACPI_IRQ_SHARED) - flags |= 1 << 3; - if (irq->wake == ACPI_IRQ_WAKE) - flags |= 1 << 4; - acpigen_emit_byte(flags); - - /* Byte 4: Interrupt Table Entry Count */ - acpigen_emit_byte(1); - - /* Byte 5-8: Interrupt Number */ - acpigen_emit_dword(irq->pin); - - /* Fill in Descriptor Length (account for len word) */ - acpi_device_fill_len(desc_length); -} - -/* ACPI 6.1 section 6.4.3.8.1 - GPIO Interrupt or I/O */ -void acpi_device_write_gpio(const struct acpi_gpio *gpio) -{ - void *start, *desc_length; - void *pin_table_offset, *vendor_data_offset, *resource_offset; - uint16_t flags = 0; - int pin; - - if (!gpio || gpio->type > ACPI_GPIO_TYPE_IO) - return; - - start = acpigen_get_current(); - - /* Byte 0: Descriptor Type */ - acpigen_emit_byte(ACPI_DESCRIPTOR_GPIO); - - /* Byte 1-2: Length (fill in later) */ - desc_length = acpi_device_write_zero_len(); - - /* Byte 3: Revision ID */ - acpigen_emit_byte(ACPI_GPIO_REVISION_ID); - - /* Byte 4: GpioIo or GpioInt */ - acpigen_emit_byte(gpio->type); - - /* - * Byte 5-6: General Flags - * [15:1]: 0 => Reserved - * [0]: 1 => ResourceConsumer - */ - acpigen_emit_word(1 << 0); - - switch (gpio->type) { - case ACPI_GPIO_TYPE_INTERRUPT: - /* - * Byte 7-8: GPIO Interrupt Flags - * [15:5]: 0 => Reserved - * [4]: Wake (0=NO_WAKE 1=WAKE) - * [3]: Sharing (0=EXCLUSIVE 1=SHARED) - * [2:1]: Polarity (0=HIGH 1=LOW 2=BOTH) - * [0]: Mode (0=LEVEL 1=EDGE) - */ - if (gpio->irq.mode == ACPI_IRQ_EDGE_TRIGGERED) - flags |= 1 << 0; - if (gpio->irq.shared == ACPI_IRQ_SHARED) - flags |= 1 << 3; - if (gpio->irq.wake == ACPI_IRQ_WAKE) - flags |= 1 << 4; - - switch (gpio->irq.polarity) { - case ACPI_IRQ_ACTIVE_HIGH: - flags |= 0 << 1; - break; - case ACPI_IRQ_ACTIVE_LOW: - flags |= 1 << 1; - break; - case ACPI_IRQ_ACTIVE_BOTH: - flags |= 2 << 1; - break; - } - break; - - case ACPI_GPIO_TYPE_IO: - /* - * Byte 7-8: GPIO IO Flags - * [15:4]: 0 => Reserved - * [3]: Sharing (0=EXCLUSIVE 1=SHARED) - * [2]: 0 => Reserved - * [1:0]: IO Restriction - * 0 => IoRestrictionNone - * 1 => IoRestrictionInputOnly - * 2 => IoRestrictionOutputOnly - * 3 => IoRestrictionNoneAndPreserve - */ - flags |= gpio->io_restrict & 3; - if (gpio->io_shared) - flags |= 1 << 3; - break; - } - acpigen_emit_word(flags); - - /* - * Byte 9: Pin Configuration - * 0x01 => Default (no configuration applied) - * 0x02 => Pull-up - * 0x03 => Pull-down - * 0x04-0x7F => Reserved - * 0x80-0xff => Vendor defined - */ - acpigen_emit_byte(gpio->pull); - - /* Byte 10-11: Output Drive Strength in 1/100 mA */ - acpigen_emit_word(gpio->output_drive_strength); - - /* Byte 12-13: Debounce Timeout in 1/100 ms */ - acpigen_emit_word(gpio->interrupt_debounce_timeout); - - /* Byte 14-15: Pin Table Offset, relative to start */ - pin_table_offset = acpi_device_write_zero_len(); - - /* Byte 16: Reserved */ - acpigen_emit_byte(0); - - /* Byte 17-18: Resource Source Name Offset, relative to start */ - resource_offset = acpi_device_write_zero_len(); - - /* Byte 19-20: Vendor Data Offset, relative to start */ - vendor_data_offset = acpi_device_write_zero_len(); - - /* Byte 21-22: Vendor Data Length */ - acpigen_emit_word(0); - - /* Fill in Pin Table Offset */ - acpi_device_fill_from_len(pin_table_offset, start); - - /* Pin Table, one word for each pin */ - for (pin = 0; pin < gpio->pin_count; pin++) { - uint16_t acpi_pin = gpio->pins[pin]; -#if CONFIG(GENERIC_GPIO_LIB) - acpi_pin = gpio_acpi_pin(acpi_pin); -#endif - acpigen_emit_word(acpi_pin); - } - - /* Fill in Resource Source Name Offset */ - acpi_device_fill_from_len(resource_offset, start); - - /* Resource Source Name String */ -#if CONFIG(GENERIC_GPIO_LIB) - acpigen_emit_string(gpio->resource ? : gpio_acpi_path(gpio->pins[0])); -#else - acpigen_emit_string(gpio->resource); -#endif - - /* Fill in Vendor Data Offset */ - acpi_device_fill_from_len(vendor_data_offset, start); - - /* Fill in GPIO Descriptor Length (account for len word) */ - acpi_device_fill_len(desc_length); -} - -/* ACPI 6.1 section 6.4.3.8.2.1 - I2cSerialBus() */ -void acpi_device_write_i2c(const struct acpi_i2c *i2c) -{ - void *desc_length, *type_length; - - /* Byte 0: Descriptor Type */ - acpigen_emit_byte(ACPI_DESCRIPTOR_SERIAL_BUS); - - /* Byte 1+2: Length (filled in later) */ - desc_length = acpi_device_write_zero_len(); - - /* Byte 3: Revision ID */ - acpigen_emit_byte(ACPI_I2C_SERIAL_BUS_REVISION_ID); - - /* Byte 4: Resource Source Index is Reserved */ - acpigen_emit_byte(0); - - /* Byte 5: Serial Bus Type is I2C */ - acpigen_emit_byte(ACPI_SERIAL_BUS_TYPE_I2C); - - /* - * Byte 6: Flags - * [7:2]: 0 => Reserved - * [1]: 1 => ResourceConsumer - * [0]: 0 => ControllerInitiated - */ - acpigen_emit_byte(1 << 1); - - /* - * Byte 7-8: Type Specific Flags - * [15:1]: 0 => Reserved - * [0]: 0 => 7bit, 1 => 10bit - */ - acpigen_emit_word(i2c->mode_10bit); - - /* Byte 9: Type Specific Revision ID */ - acpigen_emit_byte(ACPI_I2C_TYPE_SPECIFIC_REVISION_ID); - - /* Byte 10-11: I2C Type Data Length */ - type_length = acpi_device_write_zero_len(); - - /* Byte 12-15: I2C Bus Speed */ - acpigen_emit_dword(i2c->speed); - - /* Byte 16-17: I2C Slave Address */ - acpigen_emit_word(i2c->address); - - /* Fill in Type Data Length */ - acpi_device_fill_len(type_length); - - /* Byte 18+: ResourceSource */ - acpigen_emit_string(i2c->resource); - - /* Fill in I2C Descriptor Length */ - acpi_device_fill_len(desc_length); -} - -/* ACPI 6.1 section 6.4.3.8.2.2 - SpiSerialBus() */ -void acpi_device_write_spi(const struct acpi_spi *spi) -{ - void *desc_length, *type_length; - uint16_t flags = 0; - - /* Byte 0: Descriptor Type */ - acpigen_emit_byte(ACPI_DESCRIPTOR_SERIAL_BUS); - - /* Byte 1+2: Length (filled in later) */ - desc_length = acpi_device_write_zero_len(); - - /* Byte 3: Revision ID */ - acpigen_emit_byte(ACPI_SPI_SERIAL_BUS_REVISION_ID); - - /* Byte 4: Resource Source Index is Reserved */ - acpigen_emit_byte(0); - - /* Byte 5: Serial Bus Type is SPI */ - acpigen_emit_byte(ACPI_SERIAL_BUS_TYPE_SPI); - - /* - * Byte 6: Flags - * [7:2]: 0 => Reserved - * [1]: 1 => ResourceConsumer - * [0]: 0 => ControllerInitiated - */ - acpigen_emit_byte(1 << 1); - - /* - * Byte 7-8: Type Specific Flags - * [15:2]: 0 => Reserved - * [1]: 0 => ActiveLow, 1 => ActiveHigh - * [0]: 0 => FourWire, 1 => ThreeWire - */ - if (spi->wire_mode == SPI_3_WIRE_MODE) - flags |= 1 << 0; - if (spi->device_select_polarity == SPI_POLARITY_HIGH) - flags |= 1 << 1; - acpigen_emit_word(flags); - - /* Byte 9: Type Specific Revision ID */ - acpigen_emit_byte(ACPI_SPI_TYPE_SPECIFIC_REVISION_ID); - - /* Byte 10-11: SPI Type Data Length */ - type_length = acpi_device_write_zero_len(); - - /* Byte 12-15: Connection Speed */ - acpigen_emit_dword(spi->speed); - - /* Byte 16: Data Bit Length */ - acpigen_emit_byte(spi->data_bit_length); - - /* Byte 17: Clock Phase */ - acpigen_emit_byte(spi->clock_phase); - - /* Byte 18: Clock Polarity */ - acpigen_emit_byte(spi->clock_polarity); - - /* Byte 19-20: Device Selection */ - acpigen_emit_word(spi->device_select); - - /* Fill in Type Data Length */ - acpi_device_fill_len(type_length); - - /* Byte 21+: ResourceSource String */ - acpigen_emit_string(spi->resource); - - /* Fill in SPI Descriptor Length */ - acpi_device_fill_len(desc_length); -} - -/* PowerResource() with Enable and/or Reset control */ -void acpi_device_add_power_res(const struct acpi_power_res_params *params) -{ - static const char * const power_res_dev_states[] = { "_PR0", "_PR3" }; - unsigned int reset_gpio = params->reset_gpio ? params->reset_gpio->pins[0] : 0; - unsigned int enable_gpio = params->enable_gpio ? params->enable_gpio->pins[0] : 0; - unsigned int stop_gpio = params->stop_gpio ? params->stop_gpio->pins[0] : 0; - - if (!reset_gpio && !enable_gpio && !stop_gpio) - return; - - /* PowerResource (PRIC, 0, 0) */ - acpigen_write_power_res("PRIC", 0, 0, power_res_dev_states, - ARRAY_SIZE(power_res_dev_states)); - - /* Method (_STA, 0, NotSerialized) { Return (0x1) } */ - acpigen_write_STA(0x1); - - /* Method (_ON, 0, Serialized) */ - acpigen_write_method_serialized("_ON", 0); - if (reset_gpio) - acpigen_enable_tx_gpio(params->reset_gpio); - if (enable_gpio) { - acpigen_enable_tx_gpio(params->enable_gpio); - if (params->enable_delay_ms) - acpigen_write_sleep(params->enable_delay_ms); - } - if (reset_gpio) { - acpigen_disable_tx_gpio(params->reset_gpio); - if (params->reset_delay_ms) - acpigen_write_sleep(params->reset_delay_ms); - } - if (stop_gpio) { - acpigen_disable_tx_gpio(params->stop_gpio); - if (params->stop_delay_ms) - acpigen_write_sleep(params->stop_delay_ms); - } - acpigen_pop_len(); /* _ON method */ - - /* Method (_OFF, 0, Serialized) */ - acpigen_write_method_serialized("_OFF", 0); - if (stop_gpio) { - acpigen_enable_tx_gpio(params->stop_gpio); - if (params->stop_off_delay_ms) - acpigen_write_sleep(params->stop_off_delay_ms); - } - if (reset_gpio) { - acpigen_enable_tx_gpio(params->reset_gpio); - if (params->reset_off_delay_ms) - acpigen_write_sleep(params->reset_off_delay_ms); - } - if (enable_gpio) { - acpigen_disable_tx_gpio(params->enable_gpio); - if (params->enable_off_delay_ms) - acpigen_write_sleep(params->enable_off_delay_ms); - } - acpigen_pop_len(); /* _OFF method */ - - acpigen_pop_len(); /* PowerResource PRIC */ -} - -static void acpi_dp_write_array(const struct acpi_dp *array); -static void acpi_dp_write_value(const struct acpi_dp *prop) -{ - switch (prop->type) { - case ACPI_DP_TYPE_INTEGER: - acpigen_write_integer(prop->integer); - break; - case ACPI_DP_TYPE_STRING: - case ACPI_DP_TYPE_CHILD: - acpigen_write_string(prop->string); - break; - case ACPI_DP_TYPE_REFERENCE: - acpigen_emit_namestring(prop->string); - break; - case ACPI_DP_TYPE_ARRAY: - acpi_dp_write_array(prop->array); - break; - default: - break; - } -} - -/* Package (2) { "prop->name", VALUE } */ -static void acpi_dp_write_property(const struct acpi_dp *prop) -{ - acpigen_write_package(2); - acpigen_write_string(prop->name); - acpi_dp_write_value(prop); - acpigen_pop_len(); -} - -/* Write array of Device Properties */ -static void acpi_dp_write_array(const struct acpi_dp *array) -{ - const struct acpi_dp *dp; - char *pkg_count; - - /* Package element count determined as it is populated */ - pkg_count = acpigen_write_package(0); - - /* - * Only acpi_dp of type DP_TYPE_TABLE is allowed to be an array. - * DP_TYPE_TABLE does not have a value to be written. Thus, start - * the loop from next type in the array. - */ - for (dp = array->next; dp; dp = dp->next) { - acpi_dp_write_value(dp); - (*pkg_count)++; - } - - acpigen_pop_len(); -} - -static void acpi_dp_free(struct acpi_dp *dp) -{ - while (dp) { - struct acpi_dp *p = dp->next; - - switch (dp->type) { - case ACPI_DP_TYPE_CHILD: - acpi_dp_free(dp->child); - break; - case ACPI_DP_TYPE_ARRAY: - acpi_dp_free(dp->array); - break; - default: - break; - } - - free(dp); - dp = p; - } -} - -void acpi_dp_write(struct acpi_dp *table) -{ - struct acpi_dp *dp, *prop; - char *dp_count, *prop_count = NULL; - int child_count = 0; - - if (!table || table->type != ACPI_DP_TYPE_TABLE || !table->next) - return; - - /* Name (name) */ - acpigen_write_name(table->name); - - /* Device Property list starts with the next entry */ - prop = table->next; - - /* Package (DP), default to assuming no properties or children */ - dp_count = acpigen_write_package(0); - - /* Print base properties */ - for (dp = prop; dp; dp = dp->next) { - if (dp->type == ACPI_DP_TYPE_CHILD) { - child_count++; - } else { - /* - * The UUID and package is only added when - * we come across the first property. This - * is to avoid creating a zero-length package - * in situations where there are only children. - */ - if (!prop_count) { - *dp_count += 2; - /* ToUUID (ACPI_DP_UUID) */ - acpigen_write_uuid(ACPI_DP_UUID); - /* - * Package (PROP), element count determined as - * it is populated - */ - prop_count = acpigen_write_package(0); - } - (*prop_count)++; - acpi_dp_write_property(dp); - } - } - if (prop_count) { - /* Package (PROP) length, if a package was written */ - acpigen_pop_len(); - } - - if (child_count) { - /* Update DP package count to 2 or 4 */ - *dp_count += 2; - /* ToUUID (ACPI_DP_CHILD_UUID) */ - acpigen_write_uuid(ACPI_DP_CHILD_UUID); - - /* Print child pointer properties */ - acpigen_write_package(child_count); - - for (dp = prop; dp; dp = dp->next) - if (dp->type == ACPI_DP_TYPE_CHILD) - acpi_dp_write_property(dp); - /* Package (CHILD) length */ - acpigen_pop_len(); - } - - /* Package (DP) length */ - acpigen_pop_len(); - - /* Recursively parse children into separate tables */ - for (dp = prop; dp; dp = dp->next) - if (dp->type == ACPI_DP_TYPE_CHILD) - acpi_dp_write(dp->child); - - /* Clean up */ - acpi_dp_free(table); -} - -static struct acpi_dp *acpi_dp_new(struct acpi_dp *dp, enum acpi_dp_type type, - const char *name) -{ - struct acpi_dp *new; - - new = malloc(sizeof(struct acpi_dp)); - if (!new) - return NULL; - - memset(new, 0, sizeof(*new)); - new->type = type; - new->name = name; - - if (dp) { - /* Add to end of property list */ - while (dp->next) - dp = dp->next; - dp->next = new; - } - - return new; -} - -struct acpi_dp *acpi_dp_new_table(const char *name) -{ - return acpi_dp_new(NULL, ACPI_DP_TYPE_TABLE, name); -} - -size_t acpi_dp_add_property_list(struct acpi_dp *dp, - const struct acpi_dp *property_list, - size_t property_count) -{ - const struct acpi_dp *prop; - size_t i, properties_added = 0; - - if (!dp || !property_list) - return 0; - - for (i = 0; i < property_count; i++) { - prop = &property_list[i]; - - if (prop->type == ACPI_DP_TYPE_UNKNOWN || !prop->name) - continue; - - switch (prop->type) { - case ACPI_DP_TYPE_INTEGER: - acpi_dp_add_integer(dp, prop->name, prop->integer); - break; - case ACPI_DP_TYPE_STRING: - acpi_dp_add_string(dp, prop->name, prop->string); - break; - case ACPI_DP_TYPE_REFERENCE: - acpi_dp_add_reference(dp, prop->name, prop->string); - break; - case ACPI_DP_TYPE_ARRAY: - acpi_dp_add_array(dp, prop->array); - break; - case ACPI_DP_TYPE_CHILD: - acpi_dp_add_child(dp, prop->name, prop->child); - break; - default: - continue; - } - - ++properties_added; - } - - return properties_added; -} - -struct acpi_dp *acpi_dp_add_integer(struct acpi_dp *dp, const char *name, - uint64_t value) -{ - if (!dp) - return NULL; - - struct acpi_dp *new = acpi_dp_new(dp, ACPI_DP_TYPE_INTEGER, name); - - if (new) - new->integer = value; - - return new; -} - -struct acpi_dp *acpi_dp_add_string(struct acpi_dp *dp, const char *name, - const char *string) -{ - if (!dp) - return NULL; - - struct acpi_dp *new = acpi_dp_new(dp, ACPI_DP_TYPE_STRING, name); - - if (new) - new->string = string; - - return new; -} - -struct acpi_dp *acpi_dp_add_reference(struct acpi_dp *dp, const char *name, - const char *reference) -{ - if (!dp) - return NULL; - - struct acpi_dp *new = acpi_dp_new(dp, ACPI_DP_TYPE_REFERENCE, name); - - if (new) - new->string = reference; - - return new; -} - -struct acpi_dp *acpi_dp_add_child(struct acpi_dp *dp, const char *name, - struct acpi_dp *child) -{ - struct acpi_dp *new; - - if (!dp || !child || child->type != ACPI_DP_TYPE_TABLE) - return NULL; - - new = acpi_dp_new(dp, ACPI_DP_TYPE_CHILD, name); - if (new) { - new->child = child; - new->string = child->name; - } - - return new; -} - -struct acpi_dp *acpi_dp_add_array(struct acpi_dp *dp, struct acpi_dp *array) -{ - struct acpi_dp *new; - - if (!dp || !array || array->type != ACPI_DP_TYPE_TABLE) - return NULL; - - new = acpi_dp_new(dp, ACPI_DP_TYPE_ARRAY, array->name); - if (new) - new->array = array; - - return new; -} - -struct acpi_dp *acpi_dp_add_integer_array(struct acpi_dp *dp, const char *name, - const uint64_t *array, int len) -{ - struct acpi_dp *dp_array; - int i; - - if (!dp || len <= 0) - return NULL; - - dp_array = acpi_dp_new_table(name); - if (!dp_array) - return NULL; - - for (i = 0; i < len; i++) - if (!acpi_dp_add_integer(dp_array, NULL, array[i])) - break; - - acpi_dp_add_array(dp, dp_array); - - return dp_array; -} - -struct acpi_dp *acpi_dp_add_gpio(struct acpi_dp *dp, const char *name, - const char *ref, int index, int pin, - int active_low) -{ - if (!dp) - return NULL; - - struct acpi_dp *gpio = acpi_dp_new_table(name); - - if (!gpio) - return NULL; - - /* The device that has _CRS containing GpioIO()/GpioInt() */ - acpi_dp_add_reference(gpio, NULL, ref); - - /* Index of the GPIO resource in _CRS starting from zero */ - acpi_dp_add_integer(gpio, NULL, index); - - /* Pin in the GPIO resource, typically zero */ - acpi_dp_add_integer(gpio, NULL, pin); - - /* Set if pin is active low */ - acpi_dp_add_integer(gpio, NULL, active_low); - - acpi_dp_add_array(dp, gpio); - - return gpio; -} - -/* - * This function writes a PCI device with _ADR object: - * Example: - * Scope (\_SB.PCI0) - * { - * Device (IGFX) - * { - * Name (_ADR, 0x0000000000000000) - * Method (_STA, 0, NotSerialized) { Return (status) } - * } - * } - */ -void acpi_device_write_pci_dev(const struct device *dev) -{ - const char *scope = acpi_device_scope(dev); - const char *name = acpi_device_name(dev); - - assert(dev->path.type == DEVICE_PATH_PCI); - assert(name); - assert(scope); - - acpigen_write_scope(scope); - acpigen_write_device(name); - - acpigen_write_ADR_pci_device(dev); - acpigen_write_STA(acpi_device_status(dev)); - - acpigen_pop_len(); /* Device */ - acpigen_pop_len(); /* Scope */ -} diff --git a/src/arch/x86/acpi_pld.c b/src/arch/x86/acpi_pld.c deleted file mode 100644 index 135009a243..0000000000 --- a/src/arch/x86/acpi_pld.c +++ /dev/null @@ -1,160 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* This file is part of the coreboot project. */ - -#include <stdint.h> -#include <string.h> -#include <arch/acpi.h> -#include <arch/acpi_pld.h> - -int acpi_pld_fill_usb(struct acpi_pld *pld, enum acpi_upc_type type, - struct acpi_pld_group *group) -{ - if (!pld) - return -1; - - memset(pld, 0, sizeof(struct acpi_pld)); - - /* Set defaults */ - pld->ignore_color = 1; - pld->panel = PLD_PANEL_UNKNOWN; - pld->vertical_position = PLD_VERTICAL_POSITION_CENTER; - pld->horizontal_position = PLD_HORIZONTAL_POSITION_CENTER; - pld->rotation = PLD_ROTATE_0; - pld->visible = 1; - pld->group.token = group->token; - pld->group.position = group->position; - - /* Set the shape based on port type */ - switch (type) { - case UPC_TYPE_A: - case UPC_TYPE_USB3_A: - case UPC_TYPE_USB3_POWER_B: - pld->shape = PLD_SHAPE_HORIZONTAL_RECTANGLE; - break; - case UPC_TYPE_MINI_AB: - case UPC_TYPE_USB3_B: - pld->shape = PLD_SHAPE_CHAMFERED; - break; - case UPC_TYPE_USB3_MICRO_B: - case UPC_TYPE_USB3_MICRO_AB: - pld->shape = PLD_SHAPE_HORIZONTAL_TRAPEZOID; - break; - case UPC_TYPE_C_USB2_ONLY: - case UPC_TYPE_C_USB2_SS_SWITCH: - case UPC_TYPE_C_USB2_SS: - pld->shape = PLD_SHAPE_OVAL; - break; - case UPC_TYPE_INTERNAL: - default: - pld->shape = PLD_SHAPE_UNKNOWN; - pld->visible = 0; - break; - } - - return 0; -} - -int acpi_pld_to_buffer(const struct acpi_pld *pld, uint8_t *buf, int buf_len) -{ - if (!pld || !buf) - return -1; - - memset(buf, 0, buf_len); - - /* [0] Revision (=2) */ - buf[0] = 0x2; - - if (pld->ignore_color) { - /* [1] Ignore Color */ - buf[0] |= 0x80; - } else { - /* [15:8] Red Color */ - buf[1] = pld->color_red; - /* [23:16] Green Color */ - buf[2] = pld->color_green; - /* [31:24] Blue Color */ - buf[3] = pld->color_blue; - } - - /* [47:32] Width */ - buf[4] = pld->width & 0xff; - buf[5] = pld->width >> 8; - - /* [63:48] Height */ - buf[6] = pld->height & 0xff; - buf[7] = pld->height >> 8; - - /* [64] User Visible */ - buf[8] |= (pld->visible & 0x1); - - /* [65] Dock */ - buf[8] |= (pld->dock & 0x1) << 1; - - /* [66] Lid */ - buf[8] |= (pld->lid & 0x1) << 2; - - /* [69:67] Panel */ - buf[8] |= (pld->panel & 0x7) << 3; - - /* [71:70] Vertical Position */ - buf[8] |= (pld->vertical_position & 0x3) << 6; - - /* [73:72] Horizontal Position */ - buf[9] |= (pld->horizontal_position & 0x3); - - /* [77:74] Shape */ - buf[9] |= (pld->shape & 0xf) << 2; - - /* [78] Orientation */ - buf[9] |= (pld->orientation & 0x1) << 6; - - /* [86:79] Group Token (incorrectly defined as 1 bit in ACPI 6.2A) */ - buf[9] |= (pld->group.token & 0x1) << 7; - buf[10] |= (pld->group.token >> 0x1) & 0x7f; - - /* [94:87] Group Position */ - buf[10] |= (pld->group.position & 0x1) << 7; - buf[11] |= (pld->group.position >> 0x1) & 0x7f; - - /* [95] Bay */ - buf[11] |= (pld->bay & 0x1) << 7; - - /* [96] Ejectable */ - buf[12] |= (pld->ejectable & 0x1); - - /* [97] Ejectable with OSPM help */ - buf[12] |= (pld->ejectable_ospm & 0x1) << 1; - - /* [105:98] Cabinet Number */ - buf[12] |= (pld->cabinet_number & 0x3f) << 2; - buf[13] |= (pld->cabinet_number >> 6) & 0x3; - - /* [113:106] Card Cage Number */ - buf[13] |= (pld->card_cage_number & 0x3f) << 2; - buf[14] |= (pld->card_cage_number >> 6) & 0x3; - - /* [114] PLD is a Reference Shape */ - buf[14] |= (pld->reference_shape & 0x1) << 2; - - /* [118:115] Rotation */ - buf[14] |= (pld->rotation & 0xf) << 3; - - /* [123:119] Draw Order */ - buf[14] |= (pld->draw_order & 0x1) << 7; - buf[15] |= (pld->draw_order >> 1) & 0xf; - - /* [127:124] Reserved */ - - /* Both 16 byte and 20 byte buffers are supported by the spec */ - if (buf_len == 20) { - /* [143:128] Vertical Offset */ - buf[16] = pld->vertical_offset & 0xff; - buf[17] = pld->vertical_offset >> 8; - - /* [159:144] Horizontal Offset */ - buf[18] = pld->horizontal_offset & 0xff; - buf[19] = pld->horizontal_offset >> 8; - } - - return 0; -} diff --git a/src/arch/x86/acpigen.c b/src/arch/x86/acpigen.c deleted file mode 100644 index dfc2a5adf4..0000000000 --- a/src/arch/x86/acpigen.c +++ /dev/null @@ -1,1888 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* This file is part of the coreboot project. */ - -/* How much nesting do we support? */ -#define ACPIGEN_LENSTACK_SIZE 10 - -/* - * If you need to change this, change acpigen_write_len_f and - * acpigen_pop_len - */ - -#define ACPIGEN_MAXLEN 0xfffff - -#include <lib.h> -#include <string.h> -#include <arch/acpigen.h> -#include <assert.h> -#include <console/console.h> -#include <device/device.h> -#include <device/pci_def.h> -#include <device/pci_type.h> - -static char *gencurrent; - -char *len_stack[ACPIGEN_LENSTACK_SIZE]; -int ltop = 0; - -void acpigen_write_len_f(void) -{ - ASSERT(ltop < (ACPIGEN_LENSTACK_SIZE - 1)) - len_stack[ltop++] = gencurrent; - acpigen_emit_byte(0); - acpigen_emit_byte(0); - acpigen_emit_byte(0); -} - -void acpigen_pop_len(void) -{ - int len; - ASSERT(ltop > 0) - char *p = len_stack[--ltop]; - len = gencurrent - p; - ASSERT(len <= ACPIGEN_MAXLEN) - /* generate store length for 0xfffff max */ - p[0] = (0x80 | (len & 0xf)); - p[1] = (len >> 4 & 0xff); - p[2] = (len >> 12 & 0xff); - -} - -void acpigen_set_current(char *curr) -{ - gencurrent = curr; -} - -char *acpigen_get_current(void) -{ - return gencurrent; -} - -void acpigen_emit_byte(unsigned char b) -{ - (*gencurrent++) = b; -} - -void acpigen_emit_ext_op(uint8_t op) -{ - acpigen_emit_byte(EXT_OP_PREFIX); - acpigen_emit_byte(op); -} - -void acpigen_emit_word(unsigned int data) -{ - acpigen_emit_byte(data & 0xff); - acpigen_emit_byte((data >> 8) & 0xff); -} - -void acpigen_emit_dword(unsigned int data) -{ - acpigen_emit_byte(data & 0xff); - acpigen_emit_byte((data >> 8) & 0xff); - acpigen_emit_byte((data >> 16) & 0xff); - acpigen_emit_byte((data >> 24) & 0xff); -} - -char *acpigen_write_package(int nr_el) -{ - char *p; - acpigen_emit_byte(PACKAGE_OP); - acpigen_write_len_f(); - p = acpigen_get_current(); - acpigen_emit_byte(nr_el); - return p; -} - -void acpigen_write_byte(unsigned int data) -{ - acpigen_emit_byte(BYTE_PREFIX); - acpigen_emit_byte(data & 0xff); -} - -void acpigen_write_word(unsigned int data) -{ - acpigen_emit_byte(WORD_PREFIX); - acpigen_emit_word(data); -} - -void acpigen_write_dword(unsigned int data) -{ - acpigen_emit_byte(DWORD_PREFIX); - acpigen_emit_dword(data); -} - -void acpigen_write_qword(uint64_t data) -{ - acpigen_emit_byte(QWORD_PREFIX); - acpigen_emit_dword(data & 0xffffffff); - acpigen_emit_dword((data >> 32) & 0xffffffff); -} - -void acpigen_write_zero(void) -{ - acpigen_emit_byte(ZERO_OP); -} - -void acpigen_write_one(void) -{ - acpigen_emit_byte(ONE_OP); -} - -void acpigen_write_ones(void) -{ - acpigen_emit_byte(ONES_OP); -} - -void acpigen_write_integer(uint64_t data) -{ - if (data == 0) - acpigen_write_zero(); - else if (data == 1) - acpigen_write_one(); - else if (data <= 0xff) - acpigen_write_byte((unsigned char)data); - else if (data <= 0xffff) - acpigen_write_word((unsigned int)data); - else if (data <= 0xffffffff) - acpigen_write_dword((unsigned int)data); - else - acpigen_write_qword(data); -} - -void acpigen_write_name_zero(const char *name) -{ - acpigen_write_name(name); - acpigen_write_one(); -} - -void acpigen_write_name_one(const char *name) -{ - acpigen_write_name(name); - acpigen_write_zero(); -} - -void acpigen_write_name_byte(const char *name, uint8_t val) -{ - acpigen_write_name(name); - acpigen_write_byte(val); -} - -void acpigen_write_name_dword(const char *name, uint32_t val) -{ - acpigen_write_name(name); - acpigen_write_dword(val); -} - -void acpigen_write_name_qword(const char *name, uint64_t val) -{ - acpigen_write_name(name); - acpigen_write_qword(val); -} - -void acpigen_write_name_integer(const char *name, uint64_t val) -{ - acpigen_write_name(name); - acpigen_write_integer(val); -} - -void acpigen_write_name_string(const char *name, const char *string) -{ - acpigen_write_name(name); - acpigen_write_string(string); -} - -void acpigen_write_name_unicode(const char *name, const char *string) -{ - const size_t len = strlen(string) + 1; - acpigen_write_name(name); - acpigen_emit_byte(BUFFER_OP); - acpigen_write_len_f(); - acpigen_write_integer(len); - for (size_t i = 0; i < len; i++) { - const char c = string[i]; - /* Simple ASCII to UTF-16 conversion, replace non ASCII characters */ - acpigen_emit_word(c >= 0 ? c : '?'); - } - acpigen_pop_len(); -} - -void acpigen_emit_stream(const char *data, int size) -{ - int i; - for (i = 0; i < size; i++) - acpigen_emit_byte(data[i]); -} - -void acpigen_emit_string(const char *string) -{ - acpigen_emit_stream(string, string ? strlen(string) : 0); - acpigen_emit_byte('\0'); /* NUL */ -} - -void acpigen_write_string(const char *string) -{ - acpigen_emit_byte(STRING_PREFIX); - acpigen_emit_string(string); -} - -void acpigen_write_coreboot_hid(enum coreboot_acpi_ids id) -{ - char hid[9]; /* BOOTxxxx */ - - snprintf(hid, sizeof(hid), "%.4s%04X", COREBOOT_ACPI_ID, id); - acpigen_write_name_string("_HID", hid); -} - -/* - * The naming conventions for ACPI namespace names are a bit tricky as - * each element has to be 4 chars wide ("All names are a fixed 32 bits.") - * and "By convention, when an ASL compiler pads a name shorter than 4 - * characters, it is done so with trailing underscores ('_')". - * - * Check sections 5.3, 18.2.2 and 18.4 of ACPI spec 3.0 for details. - */ - -static void acpigen_emit_simple_namestring(const char *name) -{ - int i; - char ud[] = "____"; - for (i = 0; i < 4; i++) { - if ((name[i] == '\0') || (name[i] == '.')) { - acpigen_emit_stream(ud, 4 - i); - break; - } - acpigen_emit_byte(name[i]); - } -} - -static void acpigen_emit_double_namestring(const char *name, int dotpos) -{ - acpigen_emit_byte(DUAL_NAME_PREFIX); - acpigen_emit_simple_namestring(name); - acpigen_emit_simple_namestring(&name[dotpos + 1]); -} - -static void acpigen_emit_multi_namestring(const char *name) -{ - int count = 0; - unsigned char *pathlen; - acpigen_emit_byte(MULTI_NAME_PREFIX); - acpigen_emit_byte(ZERO_OP); - pathlen = ((unsigned char *) acpigen_get_current()) - 1; - - while (name[0] != '\0') { - acpigen_emit_simple_namestring(name); - /* find end or next entity */ - while ((name[0] != '.') && (name[0] != '\0')) - name++; - /* forward to next */ - if (name[0] == '.') - name++; - count++; - } - - pathlen[0] = count; -} - - -void acpigen_emit_namestring(const char *namepath) -{ - int dotcount = 0, i; - int dotpos = 0; - - /* We can start with a '\'. */ - if (namepath[0] == '\\') { - acpigen_emit_byte('\\'); - namepath++; - } - - /* And there can be any number of '^' */ - while (namepath[0] == '^') { - acpigen_emit_byte('^'); - namepath++; - } - - /* If we have only \\ or only ^...^. Then we need to put a null - name (0x00). */ - if (namepath[0] == '\0') { - acpigen_emit_byte(ZERO_OP); - return; - } - - i = 0; - while (namepath[i] != '\0') { - if (namepath[i] == '.') { - dotcount++; - dotpos = i; - } - i++; - } - - if (dotcount == 0) - acpigen_emit_simple_namestring(namepath); - else if (dotcount == 1) - acpigen_emit_double_namestring(namepath, dotpos); - else - acpigen_emit_multi_namestring(namepath); -} - -void acpigen_write_name(const char *name) -{ - acpigen_emit_byte(NAME_OP); - acpigen_emit_namestring(name); -} - -void acpigen_write_scope(const char *name) -{ - acpigen_emit_byte(SCOPE_OP); - acpigen_write_len_f(); - acpigen_emit_namestring(name); -} - -void acpigen_write_processor(u8 cpuindex, u32 pblock_addr, u8 pblock_len) -{ -/* - Processor (\_SB.CPcpuindex, cpuindex, pblock_addr, pblock_len) - { -*/ - char pscope[16]; - acpigen_emit_ext_op(PROCESSOR_OP); - acpigen_write_len_f(); - - snprintf(pscope, sizeof(pscope), - CONFIG_ACPI_CPU_STRING, (unsigned int) cpuindex); - acpigen_emit_namestring(pscope); - acpigen_emit_byte(cpuindex); - acpigen_emit_dword(pblock_addr); - acpigen_emit_byte(pblock_len); -} - -void acpigen_write_processor_package(const char *const name, - const unsigned int first_core, - const unsigned int core_count) -{ - unsigned int i; - char pscope[16]; - - acpigen_write_name(name); - acpigen_write_package(core_count); - for (i = first_core; i < first_core + core_count; ++i) { - snprintf(pscope, sizeof(pscope), CONFIG_ACPI_CPU_STRING, i); - acpigen_emit_namestring(pscope); - } - acpigen_pop_len(); -} - -/* Method to notify all CPU cores */ -void acpigen_write_processor_cnot(const unsigned int number_of_cores) -{ - int core_id; - - acpigen_write_method("\\_SB.CNOT", 1); - for (core_id = 0; core_id < number_of_cores; core_id++) { - char buffer[DEVICE_PATH_MAX]; - snprintf(buffer, sizeof(buffer), CONFIG_ACPI_CPU_STRING, - core_id); - acpigen_emit_byte(NOTIFY_OP); - acpigen_emit_namestring(buffer); - acpigen_emit_byte(ARG0_OP); - } - acpigen_pop_len(); -} - -/* - * Generate ACPI AML code for OperationRegion - * Arg0: Pointer to struct opregion opreg = OPREGION(rname, space, offset, len) - * where rname is region name, space is region space, offset is region offset & - * len is region length. - * OperationRegion(regionname, regionspace, regionoffset, regionlength) - */ -void acpigen_write_opregion(struct opregion *opreg) -{ - /* OpregionOp */ - acpigen_emit_ext_op(OPREGION_OP); - /* NameString 4 chars only */ - acpigen_emit_simple_namestring(opreg->name); - /* RegionSpace */ - acpigen_emit_byte(opreg->regionspace); - /* RegionOffset & RegionLen, it can be byte word or double word */ - acpigen_write_integer(opreg->regionoffset); - acpigen_write_integer(opreg->regionlen); -} - -/* - * Generate ACPI AML code for Mutex - * Arg0: Pointer to name of mutex - * Arg1: Initial value of mutex - */ -void acpigen_write_mutex(const char *name, const uint8_t flags) -{ - /* MutexOp */ - acpigen_emit_ext_op(MUTEX_OP); - /* NameString 4 chars only */ - acpigen_emit_simple_namestring(name); - acpigen_emit_byte(flags); -} - -void acpigen_write_acquire(const char *name, const uint16_t val) -{ - /* AcquireOp */ - acpigen_emit_ext_op(ACQUIRE_OP); - /* NameString 4 chars only */ - acpigen_emit_simple_namestring(name); - acpigen_emit_word(val); -} - -void acpigen_write_release(const char *name) -{ - /* ReleaseOp */ - acpigen_emit_ext_op(RELEASE_OP); - /* NameString 4 chars only */ - acpigen_emit_simple_namestring(name); -} - -static void acpigen_write_field_length(uint32_t len) -{ - uint8_t i, j; - uint8_t emit[4]; - - i = 1; - if (len < 0x40) { - emit[0] = len & 0x3F; - } else { - emit[0] = len & 0xF; - len >>= 4; - while (len) { - emit[i] = len & 0xFF; - i++; - len >>= 8; - } - } - /* Update bit 7:6 : Number of bytes followed by emit[0] */ - emit[0] |= (i - 1) << 6; - - for (j = 0; j < i; j++) - acpigen_emit_byte(emit[j]); -} - -static void acpigen_write_field_offset(uint32_t offset, - uint32_t current_bit_pos) -{ - uint32_t diff_bits; - - if (offset < current_bit_pos) { - printk(BIOS_WARNING, "%s: Cannot move offset backward", - __func__); - return; - } - - diff_bits = offset - current_bit_pos; - /* Upper limit */ - if (diff_bits > 0xFFFFFFF) { - printk(BIOS_WARNING, "%s: Offset very large to encode", - __func__); - return; - } - - acpigen_emit_byte(0); - acpigen_write_field_length(diff_bits); -} - -static void acpigen_write_field_name(const char *name, uint32_t size) -{ - acpigen_emit_simple_namestring(name); - acpigen_write_field_length(size); -} - -/* - * Generate ACPI AML code for Field - * Arg0: region name - * Arg1: Pointer to struct fieldlist. - * Arg2: no. of entries in Arg1 - * Arg3: flags which indicate filed access type, lock rule & update rule. - * Example with fieldlist - * struct fieldlist l[] = { - * FIELDLIST_OFFSET(0x84), - * FIELDLIST_NAMESTR("PMCS", 2), - * }; - * acpigen_write_field("UART", l, ARRAY_SIZE(l), FIELD_ANYACC | FIELD_NOLOCK | - * FIELD_PRESERVE); - * Output: - * Field (UART, AnyAcc, NoLock, Preserve) - * { - * Offset (0x84), - * PMCS, 2 - * } - */ -void acpigen_write_field(const char *name, const struct fieldlist *l, size_t count, - uint8_t flags) -{ - uint16_t i; - uint32_t current_bit_pos = 0; - - /* FieldOp */ - acpigen_emit_ext_op(FIELD_OP); - /* Package Length */ - acpigen_write_len_f(); - /* NameString 4 chars only */ - acpigen_emit_simple_namestring(name); - /* Field Flag */ - acpigen_emit_byte(flags); - - for (i = 0; i < count; i++) { - switch (l[i].type) { - case NAME_STRING: - acpigen_write_field_name(l[i].name, l[i].bits); - current_bit_pos += l[i].bits; - break; - case OFFSET: - acpigen_write_field_offset(l[i].bits, current_bit_pos); - current_bit_pos = l[i].bits; - break; - default: - printk(BIOS_ERR, "%s: Invalid field type 0x%X\n" - , __func__, l[i].type); - break; - } - } - acpigen_pop_len(); -} - -/* - * Generate ACPI AML code for IndexField - * Arg0: region name - * Arg1: Pointer to struct fieldlist. - * Arg2: no. of entries in Arg1 - * Arg3: flags which indicate filed access type, lock rule & update rule. - * Example with fieldlist - * struct fieldlist l[] = { - * FIELDLIST_OFFSET(0x84), - * FIELDLIST_NAMESTR("PMCS", 2), - * }; - * acpigen_write_field("IDX", "DATA" l, ARRAY_SIZE(l), FIELD_ANYACC | - * FIELD_NOLOCK | - * FIELD_PRESERVE); - * Output: - * IndexField (IDX, DATA, AnyAcc, NoLock, Preserve) - * { - * Offset (0x84), - * PMCS, 2 - * } - */ -void acpigen_write_indexfield(const char *idx, const char *data, - struct fieldlist *l, size_t count, uint8_t flags) -{ - uint16_t i; - uint32_t current_bit_pos = 0; - - /* FieldOp */ - acpigen_emit_ext_op(INDEX_FIELD_OP); - /* Package Length */ - acpigen_write_len_f(); - /* NameString 4 chars only */ - acpigen_emit_simple_namestring(idx); - /* NameString 4 chars only */ - acpigen_emit_simple_namestring(data); - /* Field Flag */ - acpigen_emit_byte(flags); - - for (i = 0; i < count; i++) { - switch (l[i].type) { - case NAME_STRING: - acpigen_write_field_name(l[i].name, l[i].bits); - current_bit_pos += l[i].bits; - break; - case OFFSET: - acpigen_write_field_offset(l[i].bits, current_bit_pos); - current_bit_pos = l[i].bits; - break; - default: - printk(BIOS_ERR, "%s: Invalid field type 0x%X\n" - , __func__, l[i].type); - break; - } - } - acpigen_pop_len(); -} - -void acpigen_write_empty_PCT(void) -{ -/* - Name (_PCT, Package (0x02) - { - ResourceTemplate () - { - Register (FFixedHW, - 0x00, // Bit Width - 0x00, // Bit Offset - 0x0000000000000000, // Address - ,) - }, - - ResourceTemplate () - { - Register (FFixedHW, - 0x00, // Bit Width - 0x00, // Bit Offset - 0x0000000000000000, // Address - ,) - } - }) -*/ - static char stream[] = { - /* 00000030 "0._PCT.," */ - 0x08, 0x5F, 0x50, 0x43, 0x54, 0x12, 0x2C, - /* 00000038 "........" */ - 0x02, 0x11, 0x14, 0x0A, 0x11, 0x82, 0x0C, 0x00, - /* 00000040 "........" */ - 0x7F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - /* 00000048 "....y..." */ - 0x00, 0x00, 0x00, 0x00, 0x79, 0x00, 0x11, 0x14, - /* 00000050 "........" */ - 0x0A, 0x11, 0x82, 0x0C, 0x00, 0x7F, 0x00, 0x00, - /* 00000058 "........" */ - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x79, 0x00 - }; - acpigen_emit_stream(stream, ARRAY_SIZE(stream)); -} - -void acpigen_write_empty_PTC(void) -{ -/* - Name (_PTC, Package (0x02) - { - ResourceTemplate () - { - Register (FFixedHW, - 0x00, // Bit Width - 0x00, // Bit Offset - 0x0000000000000000, // Address - ,) - }, - - ResourceTemplate () - { - Register (FFixedHW, - 0x00, // Bit Width - 0x00, // Bit Offset - 0x0000000000000000, // Address - ,) - } - }) -*/ - acpi_addr_t addr = { - .space_id = ACPI_ADDRESS_SPACE_FIXED, - .bit_width = 0, - .bit_offset = 0, - .access_size = 0, - .addrl = 0, - .addrh = 0, - }; - - acpigen_write_name("_PTC"); - acpigen_write_package(2); - - /* ControlRegister */ - acpigen_write_register_resource(&addr); - - /* StatusRegister */ - acpigen_write_register_resource(&addr); - - acpigen_pop_len(); -} - -static void __acpigen_write_method(const char *name, uint8_t flags) -{ - acpigen_emit_byte(METHOD_OP); - acpigen_write_len_f(); - acpigen_emit_namestring(name); - acpigen_emit_byte(flags); -} - -/* Method (name, nargs, NotSerialized) */ -void acpigen_write_method(const char *name, int nargs) -{ - __acpigen_write_method(name, (nargs & 7)); -} - -/* Method (name, nargs, Serialized) */ -void acpigen_write_method_serialized(const char *name, int nargs) -{ - __acpigen_write_method(name, (nargs & 7) | (1 << 3)); -} - -void acpigen_write_device(const char *name) -{ - acpigen_emit_ext_op(DEVICE_OP); - acpigen_write_len_f(); - acpigen_emit_namestring(name); -} - -void acpigen_write_STA(uint8_t status) -{ - /* - * Method (_STA, 0, NotSerialized) { Return (status) } - */ - acpigen_write_method("_STA", 0); - acpigen_emit_byte(RETURN_OP); - acpigen_write_byte(status); - acpigen_pop_len(); -} - -/* - * Generates a func with max supported P-states. - */ -void acpigen_write_PPC(u8 nr) -{ -/* - Method (_PPC, 0, NotSerialized) - { - Return (nr) - } -*/ - acpigen_write_method("_PPC", 0); - acpigen_emit_byte(RETURN_OP); - /* arg */ - acpigen_write_byte(nr); - acpigen_pop_len(); -} - -/* - * Generates a func with max supported P-states saved - * in the variable PPCM. - */ -void acpigen_write_PPC_NVS(void) -{ -/* - Method (_PPC, 0, NotSerialized) - { - Return (PPCM) - } -*/ - acpigen_write_method("_PPC", 0); - acpigen_emit_byte(RETURN_OP); - /* arg */ - acpigen_emit_namestring("PPCM"); - acpigen_pop_len(); -} - -void acpigen_write_TPC(const char *gnvs_tpc_limit) -{ -/* - // Sample _TPC method - Method (_TPC, 0, NotSerialized) - { - Return (\TLVL) - } -*/ - acpigen_write_method("_TPC", 0); - acpigen_emit_byte(RETURN_OP); - acpigen_emit_namestring(gnvs_tpc_limit); - acpigen_pop_len(); -} - -void acpigen_write_PRW(u32 wake, u32 level) -{ - /* - * Name (_PRW, Package () { wake, level } - */ - acpigen_write_name("_PRW"); - acpigen_write_package(2); - acpigen_write_integer(wake); - acpigen_write_integer(level); - acpigen_pop_len(); -} - -void acpigen_write_PSS_package(u32 coreFreq, u32 power, u32 transLat, - u32 busmLat, u32 control, u32 status) -{ - acpigen_write_package(6); - acpigen_write_dword(coreFreq); - acpigen_write_dword(power); - acpigen_write_dword(transLat); - acpigen_write_dword(busmLat); - acpigen_write_dword(control); - acpigen_write_dword(status); - acpigen_pop_len(); - - printk(BIOS_DEBUG, "PSS: %uMHz power %u control 0x%x status 0x%x\n", - coreFreq, power, control, status); -} - -void acpigen_write_PSD_package(u32 domain, u32 numprocs, PSD_coord coordtype) -{ - acpigen_write_name("_PSD"); - acpigen_write_package(1); - acpigen_write_package(5); - acpigen_write_byte(5); // 5 values - acpigen_write_byte(0); // revision 0 - acpigen_write_dword(domain); - acpigen_write_dword(coordtype); - acpigen_write_dword(numprocs); - acpigen_pop_len(); - acpigen_pop_len(); -} - -void acpigen_write_CST_package_entry(acpi_cstate_t *cstate) -{ - acpigen_write_package(4); - acpigen_write_register_resource(&cstate->resource); - acpigen_write_dword(cstate->ctype); - acpigen_write_dword(cstate->latency); - acpigen_write_dword(cstate->power); - acpigen_pop_len(); -} - -void acpigen_write_CST_package(acpi_cstate_t *cstate, int nentries) -{ - int i; - acpigen_write_name("_CST"); - acpigen_write_package(nentries+1); - acpigen_write_dword(nentries); - - for (i = 0; i < nentries; i++) - acpigen_write_CST_package_entry(cstate + i); - - acpigen_pop_len(); -} - -void acpigen_write_CSD_package(u32 domain, u32 numprocs, CSD_coord coordtype, - u32 index) -{ - acpigen_write_name("_CSD"); - acpigen_write_package(1); - acpigen_write_package(6); - acpigen_write_byte(6); // 6 values - acpigen_write_byte(0); // revision 0 - acpigen_write_dword(domain); - acpigen_write_dword(coordtype); - acpigen_write_dword(numprocs); - acpigen_write_dword(index); - acpigen_pop_len(); - acpigen_pop_len(); -} - -void acpigen_write_TSS_package(int entries, acpi_tstate_t *tstate_list) -{ -/* - Sample _TSS package with 100% and 50% duty cycles - Name (_TSS, Package (0x02) - { - Package(){100, 1000, 0, 0x00, 0) - Package(){50, 520, 0, 0x18, 0) - }) -*/ - int i; - acpi_tstate_t *tstate = tstate_list; - - acpigen_write_name("_TSS"); - acpigen_write_package(entries); - - for (i = 0; i < entries; i++) { - acpigen_write_package(5); - acpigen_write_dword(tstate->percent); - acpigen_write_dword(tstate->power); - acpigen_write_dword(tstate->latency); - acpigen_write_dword(tstate->control); - acpigen_write_dword(tstate->status); - acpigen_pop_len(); - tstate++; - } - - acpigen_pop_len(); -} - -void acpigen_write_TSD_package(u32 domain, u32 numprocs, PSD_coord coordtype) -{ - acpigen_write_name("_TSD"); - acpigen_write_package(1); - acpigen_write_package(5); - acpigen_write_byte(5); // 5 values - acpigen_write_byte(0); // revision 0 - acpigen_write_dword(domain); - acpigen_write_dword(coordtype); - acpigen_write_dword(numprocs); - acpigen_pop_len(); - acpigen_pop_len(); -} - - - -void acpigen_write_mem32fixed(int readwrite, u32 base, u32 size) -{ - /* - * ACPI 4.0 section 6.4.3.4: 32-Bit Fixed Memory Range Descriptor - * Byte 0: - * Bit7 : 1 => big item - * Bit6-0: 0000110 (0x6) => 32-bit fixed memory - */ - acpigen_emit_byte(0x86); - /* Byte 1+2: length (0x0009) */ - acpigen_emit_byte(0x09); - acpigen_emit_byte(0x00); - /* bit1-7 are ignored */ - acpigen_emit_byte(readwrite ? 0x01 : 0x00); - acpigen_emit_dword(base); - acpigen_emit_dword(size); -} - -static void acpigen_write_register(const acpi_addr_t *addr) -{ - acpigen_emit_byte(0x82); /* Register Descriptor */ - acpigen_emit_byte(0x0c); /* Register Length 7:0 */ - acpigen_emit_byte(0x00); /* Register Length 15:8 */ - acpigen_emit_byte(addr->space_id); /* Address Space ID */ - acpigen_emit_byte(addr->bit_width); /* Register Bit Width */ - acpigen_emit_byte(addr->bit_offset); /* Register Bit Offset */ - acpigen_emit_byte(addr->access_size); /* Register Access Size */ - acpigen_emit_dword(addr->addrl); /* Register Address Low */ - acpigen_emit_dword(addr->addrh); /* Register Address High */ -} - -void acpigen_write_register_resource(const acpi_addr_t *addr) -{ - acpigen_write_resourcetemplate_header(); - acpigen_write_register(addr); - acpigen_write_resourcetemplate_footer(); -} - -void acpigen_write_irq(u16 mask) -{ - /* - * ACPI 3.0b section 6.4.2.1: IRQ Descriptor - * Byte 0: - * Bit7 : 0 => small item - * Bit6-3: 0100 (0x4) => IRQ port descriptor - * Bit2-0: 010 (0x2) => 2 Bytes long - */ - acpigen_emit_byte(0x22); - acpigen_emit_byte(mask & 0xff); - acpigen_emit_byte((mask >> 8) & 0xff); -} - -void acpigen_write_io16(u16 min, u16 max, u8 align, u8 len, u8 decode16) -{ - /* - * ACPI 4.0 section 6.4.2.6: I/O Port Descriptor - * Byte 0: - * Bit7 : 0 => small item - * Bit6-3: 1000 (0x8) => I/O port descriptor - * Bit2-0: 111 (0x7) => 7 Bytes long - */ - acpigen_emit_byte(0x47); - /* Does the device decode all 16 or just 10 bits? */ - /* bit1-7 are ignored */ - acpigen_emit_byte(decode16 ? 0x01 : 0x00); - /* minimum base address the device may be configured for */ - acpigen_emit_byte(min & 0xff); - acpigen_emit_byte((min >> 8) & 0xff); - /* maximum base address the device may be configured for */ - acpigen_emit_byte(max & 0xff); - acpigen_emit_byte((max >> 8) & 0xff); - /* alignment for min base */ - acpigen_emit_byte(align & 0xff); - acpigen_emit_byte(len & 0xff); -} - -void acpigen_write_resourcetemplate_header(void) -{ - /* - * A ResourceTemplate() is a Buffer() with a - * (Byte|Word|DWord) containing the length, followed by one or more - * resource items, terminated by the end tag. - * (small item 0xf, len 1) - */ - acpigen_emit_byte(BUFFER_OP); - acpigen_write_len_f(); - acpigen_emit_byte(WORD_PREFIX); - len_stack[ltop++] = acpigen_get_current(); - /* Add 2 dummy bytes for the ACPI word (keep aligned with - the calculation in acpigen_write_resourcetemplate() below). */ - acpigen_emit_byte(0x00); - acpigen_emit_byte(0x00); -} - -void acpigen_write_resourcetemplate_footer(void) -{ - char *p = len_stack[--ltop]; - int len; - /* - * end tag (acpi 4.0 Section 6.4.2.8) - * 0x79 <checksum> - * 0x00 is treated as a good checksum according to the spec - * and is what iasl generates. - */ - acpigen_emit_byte(0x79); - acpigen_emit_byte(0x00); - - /* Start counting past the 2-bytes length added in - acpigen_write_resourcetemplate() above. */ - len = acpigen_get_current() - (p + 2); - - /* patch len word */ - p[0] = len & 0xff; - p[1] = (len >> 8) & 0xff; - /* patch len field */ - acpigen_pop_len(); -} - -static void acpigen_add_mainboard_rsvd_mem32(void *gp, struct device *dev, - struct resource *res) -{ - acpigen_write_mem32fixed(0, res->base, res->size); -} - -static void acpigen_add_mainboard_rsvd_io(void *gp, struct device *dev, - struct resource *res) -{ - resource_t base = res->base; - resource_t size = res->size; - while (size > 0) { - resource_t sz = size > 255 ? 255 : size; - acpigen_write_io16(base, base, 0, sz, 1); - size -= sz; - base += sz; - } -} - -void acpigen_write_mainboard_resource_template(void) -{ - acpigen_write_resourcetemplate_header(); - - /* Add reserved memory ranges. */ - search_global_resources( - IORESOURCE_MEM | IORESOURCE_RESERVE, - IORESOURCE_MEM | IORESOURCE_RESERVE, - acpigen_add_mainboard_rsvd_mem32, 0); - - /* Add reserved io ranges. */ - search_global_resources( - IORESOURCE_IO | IORESOURCE_RESERVE, - IORESOURCE_IO | IORESOURCE_RESERVE, - acpigen_add_mainboard_rsvd_io, 0); - - acpigen_write_resourcetemplate_footer(); -} - -void acpigen_write_mainboard_resources(const char *scope, const char *name) -{ - acpigen_write_scope(scope); - acpigen_write_name(name); - acpigen_write_mainboard_resource_template(); - acpigen_pop_len(); -} - -static int hex2bin(const char c) -{ - if (c >= 'A' && c <= 'F') - return c - 'A' + 10; - if (c >= 'a' && c <= 'f') - return c - 'a' + 10; - return c - '0'; -} - -void acpigen_emit_eisaid(const char *eisaid) -{ - u32 compact = 0; - - /* Clamping individual values would be better but - there is a disagreement over what is a valid - EISA id, so accept anything and don't clamp, - parent code should create a valid EISAid. - */ - compact |= (eisaid[0] - 'A' + 1) << 26; - compact |= (eisaid[1] - 'A' + 1) << 21; - compact |= (eisaid[2] - 'A' + 1) << 16; - compact |= hex2bin(eisaid[3]) << 12; - compact |= hex2bin(eisaid[4]) << 8; - compact |= hex2bin(eisaid[5]) << 4; - compact |= hex2bin(eisaid[6]); - - acpigen_emit_byte(0xc); - acpigen_emit_byte((compact >> 24) & 0xff); - acpigen_emit_byte((compact >> 16) & 0xff); - acpigen_emit_byte((compact >> 8) & 0xff); - acpigen_emit_byte(compact & 0xff); -} - -/* - * ToUUID(uuid) - * - * ACPI 6.1 Section 19.6.136 table 19-385 defines a special output - * order for the bytes that make up a UUID Buffer object. - * UUID byte order for input: - * aabbccdd-eeff-gghh-iijj-kkllmmnnoopp - * UUID byte order for output: - * ddccbbaa-ffee-hhgg-iijj-kkllmmnnoopp - */ -#define UUID_LEN 16 -void acpigen_write_uuid(const char *uuid) -{ - uint8_t buf[UUID_LEN]; - size_t i, order[UUID_LEN] = { 3, 2, 1, 0, 5, 4, 7, 6, - 8, 9, 10, 11, 12, 13, 14, 15 }; - - /* Parse UUID string into bytes */ - if (hexstrtobin(uuid, buf, UUID_LEN) < UUID_LEN) - return; - - /* BufferOp */ - acpigen_emit_byte(BUFFER_OP); - acpigen_write_len_f(); - - /* Buffer length in bytes */ - acpigen_write_word(UUID_LEN); - - /* Output UUID in expected order */ - for (i = 0; i < UUID_LEN; i++) - acpigen_emit_byte(buf[order[i]]); - - acpigen_pop_len(); -} - -/* - * Name (_PRx, Package(One) { name }) - * ... - * PowerResource (name, level, order) - */ -void acpigen_write_power_res(const char *name, uint8_t level, uint16_t order, - const char * const dev_states[], size_t dev_states_count) -{ - size_t i; - for (i = 0; i < dev_states_count; i++) { - acpigen_write_name(dev_states[i]); - acpigen_write_package(1); - acpigen_emit_simple_namestring(name); - acpigen_pop_len(); /* Package */ - } - - acpigen_emit_ext_op(POWER_RES_OP); - - acpigen_write_len_f(); - - acpigen_emit_simple_namestring(name); - acpigen_emit_byte(level); - acpigen_emit_word(order); -} - -/* Sleep (ms) */ -void acpigen_write_sleep(uint64_t sleep_ms) -{ - acpigen_emit_ext_op(SLEEP_OP); - acpigen_write_integer(sleep_ms); -} - -void acpigen_write_store(void) -{ - acpigen_emit_byte(STORE_OP); -} - -/* Store (src, dst) */ -void acpigen_write_store_ops(uint8_t src, uint8_t dst) -{ - acpigen_write_store(); - acpigen_emit_byte(src); - acpigen_emit_byte(dst); -} - -/* Store (src, "namestr") */ -void acpigen_write_store_op_to_namestr(uint8_t src, const char *dst) -{ - acpigen_write_store(); - acpigen_emit_byte(src); - acpigen_emit_namestring(dst); -} - -/* Or (arg1, arg2, res) */ -void acpigen_write_or(uint8_t arg1, uint8_t arg2, uint8_t res) -{ - acpigen_emit_byte(OR_OP); - acpigen_emit_byte(arg1); - acpigen_emit_byte(arg2); - acpigen_emit_byte(res); -} - -/* Xor (arg1, arg2, res) */ -void acpigen_write_xor(uint8_t arg1, uint8_t arg2, uint8_t res) -{ - acpigen_emit_byte(XOR_OP); - acpigen_emit_byte(arg1); - acpigen_emit_byte(arg2); - acpigen_emit_byte(res); -} - -/* And (arg1, arg2, res) */ -void acpigen_write_and(uint8_t arg1, uint8_t arg2, uint8_t res) -{ - acpigen_emit_byte(AND_OP); - acpigen_emit_byte(arg1); - acpigen_emit_byte(arg2); - acpigen_emit_byte(res); -} - -/* Not (arg, res) */ -void acpigen_write_not(uint8_t arg, uint8_t res) -{ - acpigen_emit_byte(NOT_OP); - acpigen_emit_byte(arg); - acpigen_emit_byte(res); -} - -/* Store (str, DEBUG) */ -void acpigen_write_debug_string(const char *str) -{ - acpigen_write_store(); - acpigen_write_string(str); - acpigen_emit_ext_op(DEBUG_OP); -} - -/* Store (val, DEBUG) */ -void acpigen_write_debug_integer(uint64_t val) -{ - acpigen_write_store(); - acpigen_write_integer(val); - acpigen_emit_ext_op(DEBUG_OP); -} - -/* Store (op, DEBUG) */ -void acpigen_write_debug_op(uint8_t op) -{ - acpigen_write_store(); - acpigen_emit_byte(op); - acpigen_emit_ext_op(DEBUG_OP); -} - -void acpigen_write_if(void) -{ - acpigen_emit_byte(IF_OP); - acpigen_write_len_f(); -} - -/* If (And (arg1, arg2)) */ -void acpigen_write_if_and(uint8_t arg1, uint8_t arg2) -{ - acpigen_write_if(); - acpigen_emit_byte(AND_OP); - acpigen_emit_byte(arg1); - acpigen_emit_byte(arg2); -} - -/* - * Generates ACPI code for checking if operand1 and operand2 are equal, where, - * operand1 is ACPI op and operand2 is an integer. - * - * If (Lequal (op, val)) - */ -void acpigen_write_if_lequal_op_int(uint8_t op, uint64_t val) -{ - acpigen_write_if(); - acpigen_emit_byte(LEQUAL_OP); - acpigen_emit_byte(op); - acpigen_write_integer(val); -} - -/* - * Generates ACPI code for checking if operand1 and operand2 are equal, where, - * operand1 is namestring and operand2 is an integer. - * - * If (Lequal ("namestr", val)) - */ -void acpigen_write_if_lequal_namestr_int(const char *namestr, uint64_t val) -{ - acpigen_write_if(); - acpigen_emit_byte(LEQUAL_OP); - acpigen_emit_namestring(namestr); - acpigen_write_integer(val); -} - -void acpigen_write_else(void) -{ - acpigen_emit_byte(ELSE_OP); - acpigen_write_len_f(); -} - -void acpigen_write_to_buffer(uint8_t src, uint8_t dst) -{ - acpigen_emit_byte(TO_BUFFER_OP); - acpigen_emit_byte(src); - acpigen_emit_byte(dst); -} - -void acpigen_write_to_integer(uint8_t src, uint8_t dst) -{ - acpigen_emit_byte(TO_INTEGER_OP); - acpigen_emit_byte(src); - acpigen_emit_byte(dst); -} - -void acpigen_write_byte_buffer(uint8_t *arr, size_t size) -{ - size_t i; - - acpigen_emit_byte(BUFFER_OP); - acpigen_write_len_f(); - acpigen_write_integer(size); - - for (i = 0; i < size; i++) - acpigen_emit_byte(arr[i]); - - acpigen_pop_len(); -} - -void acpigen_write_return_byte_buffer(uint8_t *arr, size_t size) -{ - acpigen_emit_byte(RETURN_OP); - acpigen_write_byte_buffer(arr, size); -} - -void acpigen_write_return_singleton_buffer(uint8_t arg) -{ - acpigen_write_return_byte_buffer(&arg, 1); -} - -void acpigen_write_return_byte(uint8_t arg) -{ - acpigen_emit_byte(RETURN_OP); - acpigen_write_byte(arg); -} - -void acpigen_write_return_integer(uint64_t arg) -{ - acpigen_emit_byte(RETURN_OP); - acpigen_write_integer(arg); -} - -void acpigen_write_return_string(const char *arg) -{ - acpigen_emit_byte(RETURN_OP); - acpigen_write_string(arg); -} - -void acpigen_write_upc(enum acpi_upc_type type) -{ - acpigen_write_name("_UPC"); - acpigen_write_package(4); - /* Connectable */ - acpigen_write_byte(type == UPC_TYPE_UNUSED ? 0 : 0xff); - /* Type */ - acpigen_write_byte(type); - /* Reserved0 */ - acpigen_write_zero(); - /* Reserved1 */ - acpigen_write_zero(); - acpigen_pop_len(); -} - -void acpigen_write_pld(const struct acpi_pld *pld) -{ - uint8_t buf[20]; - - if (acpi_pld_to_buffer(pld, buf, ARRAY_SIZE(buf)) < 0) - return; - - acpigen_write_name("_PLD"); - acpigen_write_package(1); - acpigen_write_byte_buffer(buf, ARRAY_SIZE(buf)); - acpigen_pop_len(); -} - -void acpigen_write_dsm(const char *uuid, void (**callbacks)(void *), - size_t count, void *arg) -{ - struct dsm_uuid id = DSM_UUID(uuid, callbacks, count, arg); - acpigen_write_dsm_uuid_arr(&id, 1); -} - -static void acpigen_write_dsm_uuid(struct dsm_uuid *id) -{ - size_t i; - - /* If (LEqual (Local0, ToUUID(uuid))) */ - acpigen_write_if(); - acpigen_emit_byte(LEQUAL_OP); - acpigen_emit_byte(LOCAL0_OP); - acpigen_write_uuid(id->uuid); - - /* ToInteger (Arg2, Local1) */ - acpigen_write_to_integer(ARG2_OP, LOCAL1_OP); - - for (i = 0; i < id->count; i++) { - /* If (LEqual (Local1, i)) */ - acpigen_write_if_lequal_op_int(LOCAL1_OP, i); - - /* Callback to write if handler. */ - if (id->callbacks[i]) - id->callbacks[i](id->arg); - - acpigen_pop_len(); /* If */ - } - - /* Default case: Return (Buffer (One) { 0x0 }) */ - acpigen_write_return_singleton_buffer(0x0); - - acpigen_pop_len(); /* If (LEqual (Local0, ToUUID(uuid))) */ - -} - -/* - * Generate ACPI AML code for _DSM method. - * This function takes as input array of uuid for the device, set of callbacks - * and argument to pass into the callbacks. Callbacks should ensure that Local0 - * and Local1 are left untouched. Use of Local2-Local7 is permitted in - * callbacks. - * - * Arguments passed into _DSM method: - * Arg0 = UUID - * Arg1 = Revision - * Arg2 = Function index - * Arg3 = Function specific arguments - * - * AML code generated would look like: - * Method (_DSM, 4, Serialized) { - * ToBuffer (Arg0, Local0) - * If (LEqual (Local0, ToUUID(uuid))) { - * ToInteger (Arg2, Local1) - * If (LEqual (Local1, 0)) { - * <acpigen by callback[0]> - * } - * ... - * If (LEqual (Local1, n)) { - * <acpigen by callback[n]> - * } - * Return (Buffer (One) { 0x0 }) - * } - * ... - * If (LEqual (Local0, ToUUID(uuidn))) { - * ... - * } - * Return (Buffer (One) { 0x0 }) - * } - */ -void acpigen_write_dsm_uuid_arr(struct dsm_uuid *ids, size_t count) -{ - size_t i; - - /* Method (_DSM, 4, Serialized) */ - acpigen_write_method_serialized("_DSM", 0x4); - - /* ToBuffer (Arg0, Local0) */ - acpigen_write_to_buffer(ARG0_OP, LOCAL0_OP); - - for (i = 0; i < count; i++) - acpigen_write_dsm_uuid(&ids[i]); - - /* Return (Buffer (One) { 0x0 }) */ - acpigen_write_return_singleton_buffer(0x0); - - acpigen_pop_len(); /* Method _DSM */ -} - -#define CPPC_PACKAGE_NAME "\\GCPC" - -void acpigen_write_CPPC_package(const struct cppc_config *config) -{ - u32 i; - u32 max; - switch (config->version) { - case 1: - max = CPPC_MAX_FIELDS_VER_1; - break; - case 2: - max = CPPC_MAX_FIELDS_VER_2; - break; - case 3: - max = CPPC_MAX_FIELDS_VER_3; - break; - default: - printk(BIOS_ERR, "ERROR: CPPC version %u is not implemented\n", - config->version); - return; - } - acpigen_write_name(CPPC_PACKAGE_NAME); - - /* Adding 2 to account for length and version fields */ - acpigen_write_package(max + 2); - acpigen_write_dword(max + 2); - - acpigen_write_byte(config->version); - - for (i = 0; i < max; ++i) { - const acpi_addr_t *reg = &(config->regs[i]); - if (reg->space_id == ACPI_ADDRESS_SPACE_MEMORY && - reg->bit_width == 32 && reg->access_size == 0) { - acpigen_write_dword(reg->addrl); - } else { - acpigen_write_register_resource(reg); - } - } - acpigen_pop_len(); -} - -void acpigen_write_CPPC_method(void) -{ - acpigen_write_method("_CPC", 0); - acpigen_emit_byte(RETURN_OP); - acpigen_emit_namestring(CPPC_PACKAGE_NAME); - acpigen_pop_len(); -} - -/* - * Generate ACPI AML code for _ROM method. - * This function takes as input ROM data and ROM length. - * - * The ACPI spec isn't clear about what should happen at the end of the - * ROM. Tests showed that it shouldn't truncate, but fill the remaining - * bytes in the returned buffer with zeros. - * - * Arguments passed into _DSM method: - * Arg0 = Offset in Bytes - * Arg1 = Bytes to return - * - * Example: - * acpigen_write_rom(0xdeadbeef, 0x10000) - * - * AML code generated would look like: - * Method (_ROM, 2, NotSerialized) { - * - * OperationRegion("ROMS", SYSTEMMEMORY, 0xdeadbeef, 0x10000) - * Field (ROMS, AnyAcc, NoLock, Preserve) - * { - * Offset (0), - * RBF0, 0x80000 - * } - * - * Store (Arg0, Local0) - * Store (Arg1, Local1) - * - * If (LGreater (Local1, 0x1000)) - * { - * Store (0x1000, Local1) - * } - * - * Store (Local1, Local3) - * - * If (LGreater (Local0, 0x10000)) - * { - * Return(Buffer(Local1){0}) - * } - * - * If (LGreater (Local0, 0x0f000)) - * { - * Subtract (0x10000, Local0, Local2) - * If (LGreater (Local1, Local2)) - * { - * Store (Local2, Local1) - * } - * } - * - * Name (ROM1, Buffer (Local3) {0}) - * - * Multiply (Local0, 0x08, Local0) - * Multiply (Local1, 0x08, Local1) - * - * CreateField (RBF0, Local0, Local1, TMPB) - * Store (TMPB, ROM1) - * Return (ROM1) - * } - */ - -void acpigen_write_rom(void *bios, const size_t length) -{ - ASSERT(bios) - ASSERT(length) - - /* Method (_ROM, 2, Serialized) */ - acpigen_write_method_serialized("_ROM", 2); - - /* OperationRegion("ROMS", SYSTEMMEMORY, current, length) */ - struct opregion opreg = OPREGION("ROMS", SYSTEMMEMORY, - (uintptr_t)bios, length); - acpigen_write_opregion(&opreg); - - struct fieldlist l[] = { - FIELDLIST_OFFSET(0), - FIELDLIST_NAMESTR("RBF0", 8 * length), - }; - - /* Field (ROMS, AnyAcc, NoLock, Preserve) - * { - * Offset (0), - * RBF0, 0x80000 - * } */ - acpigen_write_field(opreg.name, l, 2, FIELD_ANYACC | - FIELD_NOLOCK | FIELD_PRESERVE); - - /* Store (Arg0, Local0) */ - acpigen_write_store(); - acpigen_emit_byte(ARG0_OP); - acpigen_emit_byte(LOCAL0_OP); - - /* Store (Arg1, Local1) */ - acpigen_write_store(); - acpigen_emit_byte(ARG1_OP); - acpigen_emit_byte(LOCAL1_OP); - - /* ACPI SPEC requires to return at maximum 4KiB */ - /* If (LGreater (Local1, 0x1000)) */ - acpigen_write_if(); - acpigen_emit_byte(LGREATER_OP); - acpigen_emit_byte(LOCAL1_OP); - acpigen_write_integer(0x1000); - - /* Store (0x1000, Local1) */ - acpigen_write_store(); - acpigen_write_integer(0x1000); - acpigen_emit_byte(LOCAL1_OP); - - /* Pop if */ - acpigen_pop_len(); - - /* Store (Local1, Local3) */ - acpigen_write_store(); - acpigen_emit_byte(LOCAL1_OP); - acpigen_emit_byte(LOCAL3_OP); - - /* If (LGreater (Local0, length)) */ - acpigen_write_if(); - acpigen_emit_byte(LGREATER_OP); - acpigen_emit_byte(LOCAL0_OP); - acpigen_write_integer(length); - - /* Return(Buffer(Local1){0}) */ - acpigen_emit_byte(RETURN_OP); - acpigen_emit_byte(BUFFER_OP); - acpigen_write_len_f(); - acpigen_emit_byte(LOCAL1_OP); - acpigen_emit_byte(0); - acpigen_pop_len(); - - /* Pop if */ - acpigen_pop_len(); - - /* If (LGreater (Local0, length - 4096)) */ - acpigen_write_if(); - acpigen_emit_byte(LGREATER_OP); - acpigen_emit_byte(LOCAL0_OP); - acpigen_write_integer(length - 4096); - - /* Subtract (length, Local0, Local2) */ - acpigen_emit_byte(SUBTRACT_OP); - acpigen_write_integer(length); - acpigen_emit_byte(LOCAL0_OP); - acpigen_emit_byte(LOCAL2_OP); - - /* If (LGreater (Local1, Local2)) */ - acpigen_write_if(); - acpigen_emit_byte(LGREATER_OP); - acpigen_emit_byte(LOCAL1_OP); - acpigen_emit_byte(LOCAL2_OP); - - /* Store (Local2, Local1) */ - acpigen_write_store(); - acpigen_emit_byte(LOCAL2_OP); - acpigen_emit_byte(LOCAL1_OP); - - /* Pop if */ - acpigen_pop_len(); - - /* Pop if */ - acpigen_pop_len(); - - /* Name (ROM1, Buffer (Local3) {0}) */ - acpigen_write_name("ROM1"); - acpigen_emit_byte(BUFFER_OP); - acpigen_write_len_f(); - acpigen_emit_byte(LOCAL3_OP); - acpigen_emit_byte(0); - acpigen_pop_len(); - - /* Multiply (Local1, 0x08, Local1) */ - acpigen_emit_byte(MULTIPLY_OP); - acpigen_emit_byte(LOCAL1_OP); - acpigen_write_integer(0x08); - acpigen_emit_byte(LOCAL1_OP); - - /* Multiply (Local0, 0x08, Local0) */ - acpigen_emit_byte(MULTIPLY_OP); - acpigen_emit_byte(LOCAL0_OP); - acpigen_write_integer(0x08); - acpigen_emit_byte(LOCAL0_OP); - - /* CreateField (RBF0, Local0, Local1, TMPB) */ - acpigen_emit_ext_op(CREATEFIELD_OP); - acpigen_emit_namestring("RBF0"); - acpigen_emit_byte(LOCAL0_OP); - acpigen_emit_byte(LOCAL1_OP); - acpigen_emit_namestring("TMPB"); - - /* Store (TMPB, ROM1) */ - acpigen_write_store(); - acpigen_emit_namestring("TMPB"); - acpigen_emit_namestring("ROM1"); - - /* Return (ROM1) */ - acpigen_emit_byte(RETURN_OP); - acpigen_emit_namestring("ROM1"); - - /* Pop method */ - acpigen_pop_len(); -} - - -/* Soc-implemented functions -- weak definitions. */ -int __weak acpigen_soc_read_rx_gpio(unsigned int gpio_num) -{ - printk(BIOS_ERR, "ERROR: %s not implemented\n", __func__); - acpigen_write_debug_string("read_rx_gpio not available"); - return -1; -} - -int __weak acpigen_soc_get_tx_gpio(unsigned int gpio_num) -{ - printk(BIOS_ERR, "ERROR: %s not implemented\n", __func__); - acpigen_write_debug_string("get_tx_gpio not available"); - return -1; -} - -int __weak acpigen_soc_set_tx_gpio(unsigned int gpio_num) -{ - printk(BIOS_ERR, "ERROR: %s not implemented\n", __func__); - acpigen_write_debug_string("set_tx_gpio not available"); - return -1; -} - -int __weak acpigen_soc_clear_tx_gpio(unsigned int gpio_num) -{ - printk(BIOS_ERR, "ERROR: %s not implemented\n", __func__); - acpigen_write_debug_string("clear_tx_gpio not available"); - return -1; -} - -/* - * Helper functions for enabling/disabling Tx GPIOs based on the GPIO - * polarity. These functions end up calling acpigen_soc_{set,clear}_tx_gpio to - * make callbacks into SoC acpigen code. - * - * Returns 0 on success and -1 on error. - */ -int acpigen_enable_tx_gpio(struct acpi_gpio *gpio) -{ - if (gpio->polarity == ACPI_GPIO_ACTIVE_HIGH) - return acpigen_soc_set_tx_gpio(gpio->pins[0]); - else - return acpigen_soc_clear_tx_gpio(gpio->pins[0]); -} - -int acpigen_disable_tx_gpio(struct acpi_gpio *gpio) -{ - if (gpio->polarity == ACPI_GPIO_ACTIVE_LOW) - return acpigen_soc_set_tx_gpio(gpio->pins[0]); - else - return acpigen_soc_clear_tx_gpio(gpio->pins[0]); -} - -void acpigen_get_rx_gpio(struct acpi_gpio *gpio) -{ - acpigen_soc_read_rx_gpio(gpio->pins[0]); - - if (gpio->polarity == ACPI_GPIO_ACTIVE_LOW) - acpigen_write_xor(LOCAL0_OP, 1, LOCAL0_OP); -} - -/* refer to ACPI 6.4.3.5.3 Word Address Space Descriptor section for details */ -void acpigen_resource_word(u16 res_type, u16 gen_flags, u16 type_flags, u16 gran, - u16 range_min, u16 range_max, u16 translation, u16 length) -{ - acpigen_emit_byte(0x88); - /* Byte 1+2: length (0x000d) */ - acpigen_emit_byte(0x0d); - acpigen_emit_byte(0x00); - /* resource type */ - acpigen_emit_byte(res_type); // 0 - mem, 1 - io, 2 - bus - /* general flags */ - acpigen_emit_byte(gen_flags); - /* type flags */ - // refer to ACPI Table 6-234 (Memory), 6-235 (IO), 6-236 (Bus) for details - acpigen_emit_byte(type_flags); - /* granularity, min, max, translation, length */ - acpigen_emit_word(gran); - acpigen_emit_word(range_min); - acpigen_emit_word(range_max); - acpigen_emit_word(translation); - acpigen_emit_word(length); -} - -/* refer to ACPI 6.4.3.5.2 DWord Address Space Descriptor section for details */ -void acpigen_resource_dword(u16 res_type, u16 gen_flags, u16 type_flags, - u32 gran, u32 range_min, u32 range_max, u32 translation, u32 length) -{ - acpigen_emit_byte(0x87); - /* Byte 1+2: length (0023) */ - acpigen_emit_byte(23); - acpigen_emit_byte(0x00); - /* resource type */ - acpigen_emit_byte(res_type); // 0 - mem, 1 - io, 2 - bus - /* general flags */ - acpigen_emit_byte(gen_flags); - /* type flags */ - // refer to ACPI Table 6-234 (Memory), 6-235 (IO), 6-236 (Bus) for details - acpigen_emit_byte(type_flags); - /* granularity, min, max, translation, length */ - acpigen_emit_dword(gran); - acpigen_emit_dword(range_min); - acpigen_emit_dword(range_max); - acpigen_emit_dword(translation); - acpigen_emit_dword(length); -} - -static void acpigen_emit_qword(u64 data) -{ - acpigen_emit_dword(data & 0xffffffff); - acpigen_emit_dword((data >> 32) & 0xffffffff); -} - -/* refer to ACPI 6.4.3.5.1 QWord Address Space Descriptor section for details */ -void acpigen_resource_qword(u16 res_type, u16 gen_flags, u16 type_flags, - u64 gran, u64 range_min, u64 range_max, u64 translation, u64 length) -{ - acpigen_emit_byte(0x8a); - /* Byte 1+2: length (0x002b) */ - acpigen_emit_byte(0x2b); - acpigen_emit_byte(0x00); - /* resource type */ - acpigen_emit_byte(res_type); // 0 - mem, 1 - io, 2 - bus - /* general flags */ - acpigen_emit_byte(gen_flags); - /* type flags */ - // refer to ACPI Table 6-234 (Memory), 6-235 (IO), 6-236 (Bus) for details - acpigen_emit_byte(type_flags); - /* granularity, min, max, translation, length */ - acpigen_emit_qword(gran); - acpigen_emit_qword(range_min); - acpigen_emit_qword(range_max); - acpigen_emit_qword(translation); - acpigen_emit_qword(length); -} - -void acpigen_write_ADR(uint64_t adr) -{ - acpigen_write_name_qword("_ADR", adr); -} - -void acpigen_write_ADR_pci_devfn(pci_devfn_t devfn) -{ - /* - * _ADR for PCI Bus is encoded as follows: - * [63:32] - unused - * [31:16] - device # - * [15:0] - function # - */ - acpigen_write_ADR(PCI_SLOT(devfn) << 16 | PCI_FUNC(devfn)); -} - -void acpigen_write_ADR_pci_device(const struct device *dev) -{ - assert(dev->path.type == DEVICE_PATH_PCI); - acpigen_write_ADR_pci_devfn(dev->path.pci.devfn); -} diff --git a/src/arch/x86/acpigen_dsm.c b/src/arch/x86/acpigen_dsm.c deleted file mode 100644 index ecac3fefb8..0000000000 --- a/src/arch/x86/acpigen_dsm.c +++ /dev/null @@ -1,52 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* This file is part of the coreboot project. */ - -#include <arch/acpigen.h> -#include <arch/acpigen_dsm.h> - -/* ------------------- I2C HID DSM ---------------------------- */ - -#define ACPI_DSM_I2C_HID_UUID "3CDFF6F7-4267-4555-AD05-B30A3D8938DE" - -static void i2c_hid_func0_cb(void *arg) -{ - /* ToInteger (Arg1, Local2) */ - acpigen_write_to_integer(ARG1_OP, LOCAL2_OP); - /* If (LEqual (Local2, 0x0)) */ - acpigen_write_if_lequal_op_int(LOCAL2_OP, 0x0); - /* Return (Buffer (One) { 0x1f }) */ - acpigen_write_return_singleton_buffer(0x1f); - acpigen_pop_len(); /* Pop : If */ - /* Else */ - acpigen_write_else(); - /* If (LEqual (Local2, 0x1)) */ - acpigen_write_if_lequal_op_int(LOCAL2_OP, 0x1); - /* Return (Buffer (One) { 0x3f }) */ - acpigen_write_return_singleton_buffer(0x3f); - acpigen_pop_len(); /* Pop : If */ - /* Else */ - acpigen_write_else(); - /* Return (Buffer (One) { 0x0 }) */ - acpigen_write_return_singleton_buffer(0x0); - acpigen_pop_len(); /* Pop : Else */ - acpigen_pop_len(); /* Pop : Else */ -} - -static void i2c_hid_func1_cb(void *arg) -{ - struct dsm_i2c_hid_config *config = arg; - acpigen_write_return_byte(config->hid_desc_reg_offset); -} - -static void (*i2c_hid_callbacks[2])(void *) = { - i2c_hid_func0_cb, - i2c_hid_func1_cb, -}; - -void acpigen_write_dsm_i2c_hid(struct dsm_i2c_hid_config *config) -{ - acpigen_write_dsm(ACPI_DSM_I2C_HID_UUID, i2c_hid_callbacks, - ARRAY_SIZE(i2c_hid_callbacks), config); -} - -/* ------------------- End: I2C HID DSM ------------------------- */ diff --git a/src/arch/x86/acpigen_ps2_keybd.c b/src/arch/x86/acpigen_ps2_keybd.c deleted file mode 100644 index 7943f9a158..0000000000 --- a/src/arch/x86/acpigen_ps2_keybd.c +++ /dev/null @@ -1,302 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * SPDX-License-Identifier: GPL-2.0-or-later - */ - -#include <arch/acpi.h> -#include <arch/acpigen.h> -#include <arch/acpigen_ps2_keybd.h> -#include <console/console.h> -#include <input-event-codes.h> - -#define KEYMAP(scancode, keycode) (((uint32_t)(scancode) << 16) | (keycode & 0xFFFF)) -#define SCANCODE(keymap) ((keymap >> 16) & 0xFFFF) - -/* Possible keymaps for function keys in the top row */ -static const uint32_t function_keymaps[] = { - KEYMAP(0x3b, KEY_F1), - KEYMAP(0x3c, KEY_F2), - KEYMAP(0x3d, KEY_F3), - KEYMAP(0x3e, KEY_F4), - KEYMAP(0x3f, KEY_F5), - KEYMAP(0x40, KEY_F6), - KEYMAP(0x41, KEY_F7), - KEYMAP(0x42, KEY_F8), - KEYMAP(0x43, KEY_F9), - KEYMAP(0x44, KEY_F10), - KEYMAP(0x57, KEY_F11), - KEYMAP(0x58, KEY_F12), - KEYMAP(0x59, KEY_F13), - KEYMAP(0x5a, KEY_F14), - KEYMAP(0x5b, KEY_F15), -}; - -/* - * Possible keymaps for action keys in the top row. This is a superset of - * possible keys. Individual keyboards will have a subset of these keys. - * The scancodes are true / condensed 1 byte scancodes from set-1 - */ -static const uint32_t action_keymaps[] = { - [PS2_KEY_BACK] = KEYMAP(0xea, KEY_BACK), /* e06a */ - [PS2_KEY_FORWARD] = KEYMAP(0xe9, KEY_FORWARD), /* e069 */ - [PS2_KEY_REFRESH] = KEYMAP(0xe7, KEY_REFRESH), /* e067 */ - [PS2_KEY_FULLSCREEN] = KEYMAP(0x91, KEY_FULL_SCREEN), /* e011 */ - [PS2_KEY_OVERVIEW] = KEYMAP(0x92, KEY_SCALE), /* e012 */ - [PS2_KEY_VOL_MUTE] = KEYMAP(0xa0, KEY_MUTE), /* e020 */ - [PS2_KEY_VOL_DOWN] = KEYMAP(0xae, KEY_VOLUMEDOWN), /* e02e */ - [PS2_KEY_VOL_UP] = KEYMAP(0xb0, KEY_VOLUMEUP), /* e030 */ - [PS2_KEY_PLAY_PAUSE] = KEYMAP(0x9a, KEY_PLAYPAUSE), /* e01a */ - [PS2_KEY_NEXT_TRACK] = KEYMAP(0x99, KEY_NEXTSONG), /* e019 */ - [PS2_KEY_PREV_TRACK] = KEYMAP(0x90, KEY_PREVIOUSSONG), /* e010 */ - [PS2_KEY_SNAPSHOT] = KEYMAP(0x93, KEY_SYSRQ), /* e013 */ - [PS2_KEY_BRIGHTNESS_DOWN] = KEYMAP(0x94, KEY_BRIGHTNESSDOWN),/* e014 */ - [PS2_KEY_BRIGHTNESS_UP] = KEYMAP(0x95, KEY_BRIGHTNESSUP), /* e015 */ - [PS2_KEY_KBD_BKLIGHT_DOWN] = KEYMAP(0x97, KEY_KBDILLUMDOWN), /* e017 */ - [PS2_KEY_KBD_BKLIGHT_UP] = KEYMAP(0x98, KEY_KBDILLUMUP), /* e018 */ - [PS2_KEY_PRIVACY_SCRN_TOGGLE] = KEYMAP(0x96, /* e016 */ - KEY_PRIVACY_SCREEN_TOGGLE), -}; - -/* Keymap for numeric keypad keys */ -static uint32_t numeric_keypad_keymaps[] = { - /* Row-0 */ - KEYMAP(0xc9, KEY_PAGEUP), - KEYMAP(0xd1, KEY_PAGEDOWN), - KEYMAP(0xc7, KEY_HOME), - KEYMAP(0xcf, KEY_END), - /* Row-1 */ - KEYMAP(0xd3, KEY_DELETE), - KEYMAP(0xb5, KEY_KPSLASH), - KEYMAP(0x37, KEY_KPASTERISK), - KEYMAP(0x4a, KEY_KPMINUS), - /* Row-2 */ - KEYMAP(0x47, KEY_KP7), - KEYMAP(0x48, KEY_KP8), - KEYMAP(0x49, KEY_KP9), - KEYMAP(0x4e, KEY_KPPLUS), - /* Row-3 */ - KEYMAP(0x4b, KEY_KP4), - KEYMAP(0x4c, KEY_KP5), - KEYMAP(0x4d, KEY_KP6), - /* Row-4 */ - KEYMAP(0x4f, KEY_KP1), - KEYMAP(0x50, KEY_KP2), - KEYMAP(0x51, KEY_KP3), - KEYMAP(0x9c, KEY_KPENTER), - /* Row-5 */ - KEYMAP(0x52, KEY_KP0), - KEYMAP(0x53, KEY_KPDOT), -}; - -/* - * Keymap for rest of non-top-row keys. This is a superset of all the possible - * keys that any chromeos keyboards can have. - */ -static uint32_t rest_of_keymaps[] = { - /* Row-0 */ - KEYMAP(0x01, KEY_ESC), - /* Row-1 */ - KEYMAP(0x29, KEY_GRAVE), - KEYMAP(0x02, KEY_1), - KEYMAP(0x03, KEY_2), - KEYMAP(0x04, KEY_3), - KEYMAP(0x05, KEY_4), - KEYMAP(0x06, KEY_5), - KEYMAP(0x07, KEY_6), - KEYMAP(0x08, KEY_7), - KEYMAP(0x09, KEY_8), - KEYMAP(0x0a, KEY_9), - KEYMAP(0x0b, KEY_0), - KEYMAP(0x0c, KEY_MINUS), - KEYMAP(0x0d, KEY_EQUAL), - KEYMAP(0x7d, KEY_YEN), /* JP keyboards only */ - KEYMAP(0x0e, KEY_BACKSPACE), - /* Row-2 */ - KEYMAP(0x0f, KEY_TAB), - KEYMAP(0x10, KEY_Q), - KEYMAP(0x11, KEY_W), - KEYMAP(0x12, KEY_E), - KEYMAP(0x13, KEY_R), - KEYMAP(0x14, KEY_T), - KEYMAP(0x15, KEY_Y), - KEYMAP(0x16, KEY_U), - KEYMAP(0x17, KEY_I), - KEYMAP(0x18, KEY_O), - KEYMAP(0x19, KEY_P), - KEYMAP(0x1a, KEY_LEFTBRACE), - KEYMAP(0x1b, KEY_RIGHTBRACE), - KEYMAP(0x2b, KEY_BACKSLASH), - /* Row-3 */ - KEYMAP(0xdb, KEY_LEFTMETA), /* Search Key */ - KEYMAP(0x1e, KEY_A), - KEYMAP(0x1f, KEY_S), - KEYMAP(0x20, KEY_D), - KEYMAP(0x21, KEY_F), - KEYMAP(0x22, KEY_G), - KEYMAP(0x23, KEY_H), - KEYMAP(0x24, KEY_J), - KEYMAP(0x25, KEY_K), - KEYMAP(0x26, KEY_L), - KEYMAP(0x27, KEY_SEMICOLON), - KEYMAP(0x28, KEY_APOSTROPHE), - KEYMAP(0x1c, KEY_ENTER), - /* Row-4 */ - KEYMAP(0x2a, KEY_LEFTSHIFT), - KEYMAP(0x56, KEY_102ND), /* UK keyboards only */ - KEYMAP(0x2c, KEY_Z), - KEYMAP(0x2d, KEY_X), - KEYMAP(0x2e, KEY_C), - KEYMAP(0x2f, KEY_V), - KEYMAP(0x30, KEY_B), - KEYMAP(0x31, KEY_N), - KEYMAP(0x32, KEY_M), - KEYMAP(0x33, KEY_COMMA), - KEYMAP(0x34, KEY_DOT), - KEYMAP(0x35, KEY_SLASH), - KEYMAP(0x73, KEY_RO), /* JP keyboards only */ - KEYMAP(0x36, KEY_RIGHTSHIFT), - /* Row-5 */ - KEYMAP(0x1d, KEY_LEFTCTRL), - KEYMAP(0x38, KEY_LEFTALT), - KEYMAP(0x7b, KEY_MUHENKAN), /* JP keyboards only */ - KEYMAP(0x39, KEY_SPACE), - KEYMAP(0x79, KEY_HENKAN), /* JP keyboards only */ - KEYMAP(0xb8, KEY_RIGHTALT), - KEYMAP(0x9d, KEY_RIGHTCTRL), - /* Arrow keys */ - KEYMAP(0xcb, KEY_LEFT), - KEYMAP(0xd0, KEY_DOWN), - KEYMAP(0xcd, KEY_RIGHT), - KEYMAP(0xc8, KEY_UP), -}; - -static void ssdt_generate_physmap(struct acpi_dp *dp, uint8_t num_top_row_keys, - enum ps2_action_key action_keys[]) -{ - struct acpi_dp *dp_array; - enum ps2_action_key key; - uint32_t keymap, i; - - dp_array = acpi_dp_new_table("function-row-physmap"); - if (!dp_array) { - printk(BIOS_ERR, "PS2K: couldn't write function-row-physmap\n"); - return; - } - - printk(BIOS_INFO, "PS2K: Physmap: ["); - for (i = 0; i < num_top_row_keys; i++) { - key = action_keys[i]; - if (key && key < ARRAY_SIZE(action_keymaps)) { - keymap = action_keymaps[key]; - } else { - keymap = 0; - printk(BIOS_ERR, - "PS2K: invalid top-action-key-%u: %u(skipped)\n", - i, key); - } - acpi_dp_add_integer(dp_array, NULL, SCANCODE(keymap)); - printk(BIOS_INFO, " %X", SCANCODE(keymap)); - } - - printk(BIOS_INFO, " ]\n"); - acpi_dp_add_array(dp, dp_array); -} - -static void ssdt_generate_keymap(struct acpi_dp *dp, uint8_t num_top_row_keys, - enum ps2_action_key action_keys[], - bool can_send_function_keys, - bool has_numeric_keypad, - bool has_scrnlock_key) -{ - struct acpi_dp *dp_array; - enum ps2_action_key key; - uint32_t keymap; - unsigned int i, total = 0; - - dp_array = acpi_dp_new_table("linux,keymap"); - if (!dp_array) { - printk(BIOS_ERR, "PS2K: couldn't write linux,keymap\n"); - return; - } - - /* Write out keymap for top row action keys */ - for (i = 0; i < num_top_row_keys; i++) { - key = action_keys[i]; - if (!key || key >= ARRAY_SIZE(action_keymaps)) { - printk(BIOS_ERR, - "PS2K: invalid top-action-key-%u: %u\n", i, key); - continue; - } - keymap = action_keymaps[key]; - acpi_dp_add_integer(dp_array, NULL, keymap); - total++; - } - - /* Write out keymap for function keys, if keyboard can send them */ - if (can_send_function_keys) { - for (i = 0; i < num_top_row_keys; i++) { - keymap = function_keymaps[i]; - acpi_dp_add_integer(dp_array, NULL, keymap); - } - - total += num_top_row_keys; - } - - /* Write out keymap for numeric keypad, if the keyboard has it */ - if (has_numeric_keypad) { - for (i = 0; i < ARRAY_SIZE(numeric_keypad_keymaps); i++) { - keymap = numeric_keypad_keymaps[i]; - acpi_dp_add_integer(dp_array, NULL, keymap); - } - - total += ARRAY_SIZE(numeric_keypad_keymaps); - } - - /* Provide keymap for screenlock only if it is present */ - if (has_scrnlock_key) { - acpi_dp_add_integer(dp_array, NULL, KEYMAP(0x5d, KEY_SLEEP)); - total++; - } - - /* Write out keymap for rest of keys */ - for (i = 0; i < ARRAY_SIZE(rest_of_keymaps); i++) { - keymap = rest_of_keymaps[i]; - acpi_dp_add_integer(dp_array, NULL, keymap); - } - - total += ARRAY_SIZE(rest_of_keymaps); - printk(BIOS_INFO, "PS2K: Passing %u keymaps to kernel\n", total); - - acpi_dp_add_array(dp, dp_array); -} - -void acpigen_ps2_keyboard_dsd(const char *scope, uint8_t num_top_row_keys, - enum ps2_action_key action_keys[], - bool can_send_function_keys, - bool has_numeric_keypad, - bool has_scrnlock_key) -{ - struct acpi_dp *dsd; - - if (!scope || - num_top_row_keys < PS2_MIN_TOP_ROW_KEYS || - num_top_row_keys > PS2_MAX_TOP_ROW_KEYS) { - printk(BIOS_ERR, "PS2K: %s: invalid args\n", __func__); - return; - } - - dsd = acpi_dp_new_table("_DSD"); - if (!dsd) { - printk(BIOS_ERR, "PS2K: couldn't write _DSD\n"); - return; - } - - acpigen_write_scope(scope); - ssdt_generate_physmap(dsd, num_top_row_keys, action_keys); - ssdt_generate_keymap(dsd, num_top_row_keys, action_keys, - can_send_function_keys, has_numeric_keypad, - has_scrnlock_key); - acpi_dp_write(dsd); - acpigen_pop_len(); /* Scope */ -} |