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authorStefan Reinauer <stefan.reinauer@coreboot.org>2015-07-13 09:39:15 +0200
committerStefan Reinauer <stefan.reinauer@coreboot.org>2015-07-13 21:04:56 +0200
commit6cb3a59fd5e754c3627b79db21c5bcc284bfd721 (patch)
treee83db5b11ee4a29d496dcf2798d024b6b8455ab7 /src/arch/x86/boot/acpi.c
parent9693885ad88d21ead7bd9ebc32f3e4901841b18b (diff)
x86: flatten hierarchy
It never made sense to have bootblock_* in init, but pirq_routing.c in boot, and some ld scripts on the main level while others live in subdirectories. This patch flattens the directory hierarchy and makes x86 more similar to the other architectures. Change-Id: I4056038fe7813e4d3d3042c441e7ab6076a36384 Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Reviewed-on: http://review.coreboot.org/10901 Tested-by: build bot (Jenkins) Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com> Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Diffstat (limited to 'src/arch/x86/boot/acpi.c')
-rw-r--r--src/arch/x86/boot/acpi.c1137
1 files changed, 0 insertions, 1137 deletions
diff --git a/src/arch/x86/boot/acpi.c b/src/arch/x86/boot/acpi.c
deleted file mode 100644
index 134e43782e..0000000000
--- a/src/arch/x86/boot/acpi.c
+++ /dev/null
@@ -1,1137 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * coreboot ACPI Table support
- * written by Stefan Reinauer <stepan@openbios.org>
- *
- * Copyright (C) 2004 SUSE LINUX AG
- * Copyright (C) 2005-2009 coresystems GmbH
- *
- * ACPI FADT, FACS, and DSDT table support added by
- * Nick Barker <nick.barker9@btinternet.com>, and those portions
- * Copyright (C) 2004 Nick Barker
- *
- * Copyright (C) 2005 ADVANCED MICRO DEVICES, INC. All Rights Reserved.
- * 2005.9 yhlu add SRAT table generation
- */
-
-/*
- * 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/acpigen.h>
-#include <device/pci.h>
-#include <cbmem.h>
-#include <cpu/x86/lapic_def.h>
-#include <cpu/cpu.h>
-#include <cbfs.h>
-#include <timestamp.h>
-#include <romstage_handoff.h>
-
-/* FIXME: Kconfig doesn't support overridable defaults :-( */
-#ifndef CONFIG_HPET_MIN_TICKS
-#define CONFIG_HPET_MIN_TICKS 0x1000
-#endif
-
-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 = 0; /* 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;
-}
-
-unsigned long acpi_create_madt_lapics(unsigned long current)
-{
- struct device *cpu;
- int index = 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;
- current += acpi_create_madt_lapic((acpi_madt_lapic_t *)current,
- index, cpu->path.apic.apic_id);
- index++;
- }
-
- return current;
-}
-
-int acpi_create_madt_ioapic(acpi_madt_ioapic_t *ioapic, u8 id, u32 addr,
- u32 gsi_base)
-{
- ioapic->type = 1; /* 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 = 2; /* 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 = 4; /* 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;
-}
-
-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));
-
- /* 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->length = sizeof(acpi_madt_t);
- header->revision = 1; /* ACPI 1.0/2.0: 1, ACPI 3.0: 2, ACPI 4.0: 3 */
-
- madt->lapic_addr = LOCAL_APIC_ADDR;
- madt->flags = 0x1; /* PCAT_COMPAT */
-
- 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));
-
- /* 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->length = sizeof(acpi_mcfg_t);
- header->revision = 1;
-
- 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_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_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;
- }
-
- /* 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->length = sizeof(acpi_tcpa_t);
- header->revision = 2;
-
- tcpa->platform_class = 0;
- tcpa->laml = tcpa_log_len;
- tcpa->lasa = (uintptr_t) lasa;
-
- /* Calculate checksum. */
- header->checksum = acpi_checksum((void *)tcpa, header->length);
-}
-
-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 = 2; /* ACPI 1.0/2.0: ?, ACPI 3.0/4.0: 2 */
- 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 = 42;
- ssdt->length = sizeof(acpi_header_t);
-
- acpigen_set_current((char *) current);
- {
- struct device *dev;
- for (dev = all_devices; dev; dev = dev->next)
- if (dev->ops && dev->ops->acpi_fill_ssdt_generator) {
- dev->ops->acpi_fill_ssdt_generator(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));
-
- /* 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->length = sizeof(acpi_srat_t);
- header->revision = 1; /* ACPI 1.0: N/A, 2.0: 1, 3.0: 2, 4.0: 3 */
-
- 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,
- 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));
-
- /* 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->length = sizeof(acpi_dmar_t);
- header->revision = 1;
-
- dmar->host_address_width = 40 - 1; /* FIXME: == MTRR size? */
- dmar->flags = 0;
-
- 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, u32 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;
-}
-
-void acpi_dmar_drhd_fixup(unsigned long base, unsigned long current)
-{
- dmar_entry_t *drhd = (dmar_entry_t *)base;
- drhd->length = current - base;
-}
-
-unsigned long acpi_create_dmar_drhd_ds_pci(unsigned long current, u8 segment,
- u8 dev, u8 fn)
-{
- dev_scope_t *ds = (dev_scope_t *)current;
- memset(ds, 0, sizeof(*ds));
- ds->type = SCOPE_PCI_ENDPOINT;
- ds->length = sizeof(*ds) + 2; /* we don't support longer paths yet */
- ds->start_bus = segment;
- ds->path[0].dev = dev;
- ds->path[0].fn = fn;
-
- return ds->length;
-}
-
-/* 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));
-
- /* 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->length = sizeof(acpi_slit_t);
- header->revision = 1; /* ACPI 1.0: N/A, ACPI 2.0/3.0/4.0: 1 */
-
- 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));
-
- /* 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->length = sizeof(acpi_hpet_t);
- header->revision = 1; /* Currently 1. Table added in ACPI 2.0. */
-
- /* 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));
-}
-
-unsigned long acpi_write_hpet(device_t 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(current, 16);
- acpi_create_hpet(hpet);
- acpi_add_table(rsdp, hpet);
-
- 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 = 1; /* ACPI 1.0: 0, ACPI 2.0/3.0: 1, ACPI 4.0: 2 */
-}
-
-static void acpi_write_rsdt(acpi_rsdt_t *rsdt, char *oem_id, char *oem_table_id)
-{
- acpi_header_t *header = &(rsdt->header);
-
- /* 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->length = sizeof(acpi_rsdt_t);
- header->revision = 1; /* ACPI 1.0/2.0/3.0/4.0: 1 */
-
- /* 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);
-
- /* 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->length = sizeof(acpi_xsdt_t);
- header->revision = 1; /* ACPI 1.0: N/A, 2.0/3.0/4.0: 1 */
-
- /* 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 = 2;
- }
-
- /* 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;
- 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));
-
- 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->length += sizeof(acpi_hest_t);
- header->revision = 1;
-
- acpi_fill_hest(hest);
-
- /* Calculate checksums. */
- header->checksum = acpi_checksum((void *)hest, header->length);
-}
-
-#if IS_ENABLED(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));
- memcpy(header->signature, "FACP", 4);
- header->length = sizeof(acpi_fadt_t);
- header->revision = 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 = 0;
-
- 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(IS_ENABLED(CONFIG_SYSTEM_TYPE_LAPTOP)) {
- fadt->preferred_pm_profile = PM_MOBILE;
- } else {
- fadt->preferred_pm_profile = PM_DESKTOP;
- }
-
- acpi_fill_fadt(fadt);
-
- header->checksum =
- acpi_checksum((void *) fadt, header->length);
-}
-#endif
-
-unsigned long __attribute__ ((weak)) fw_cfg_acpi_tables(unsigned long start)
-{
- return 0;
-}
-
-#define ALIGN_CURRENT current = (ALIGN(current, 16))
-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_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 */
- ALIGN_CURRENT;
-
- fw = fw_cfg_acpi_tables(current);
- if (fw)
- return fw;
-
-#if CONFIG_COMPILE_IN_DSDT
- extern char _binary_dsdt_aml_start;
- extern char _binary_dsdt_aml_end;
- dsdt_file = (acpi_header_t *)&_binary_dsdt_aml_start;
- dsdt_size = (size_t)(&_binary_dsdt_aml_end - &_binary_dsdt_aml_start);
-#else
- dsdt_file = cbfs_boot_map_with_leak(
- CONFIG_CBFS_PREFIX "/dsdt.aml",
- CBFS_TYPE_RAW, &dsdt_size);
-#endif
- 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);
- ALIGN_CURRENT;
- rsdt = (acpi_rsdt_t *) current;
- current += sizeof(acpi_rsdt_t);
- ALIGN_CURRENT;
- xsdt = (acpi_xsdt_t *) current;
- current += sizeof(acpi_xsdt_t);
- ALIGN_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");
- facs = (acpi_facs_t *) current;
- current += sizeof(acpi_facs_t);
- ALIGN_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_generator) {
- dev->ops->acpi_inject_dsdt_generator(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);
- }
-
- ALIGN_CURRENT;
-
- printk(BIOS_DEBUG, "ACPI: * FADT\n");
- fadt = (acpi_fadt_t *) current;
- current += sizeof(acpi_fadt_t);
- ALIGN_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;
- ALIGN_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);
- ALIGN_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;
- ALIGN_CURRENT;
- acpi_add_table(rsdp, mcfg);
- }
-
- 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;
- ALIGN_CURRENT;
- acpi_add_table(rsdp, tcpa);
- }
-
- 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);
- }
- ALIGN_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);
- ALIGN_CURRENT;
- }
- }
-
- printk(BIOS_INFO, "ACPI: done.\n");
- return current;
-}
-
-#if CONFIG_HAVE_ACPI_RESUME
-void __attribute__((weak)) mainboard_suspend_resume(void)
-{
-}
-
-void acpi_resume(void *wake_vec)
-{
-#if CONFIG_HAVE_SMI_HANDLER
- u32 *gnvs_address = cbmem_find(CBMEM_ID_ACPI_GNVS_PTR);
-
- /* Restore GNVS pointer in SMM if found */
- if (gnvs_address && *gnvs_address) {
- printk(BIOS_DEBUG, "Restore GNVS pointer to 0x%08x\n",
- *gnvs_address);
- smm_setup_structures((void *)*gnvs_address, NULL, NULL);
- }
-#endif
-
- /* Call mainboard resume handler first, if defined. */
- mainboard_suspend_resume();
-
- post_code(POST_OS_RESUME);
- acpi_jump_to_wakeup(wake_vec);
-}
-
-/* This is filled with acpi_is_wakeup() call early in ramstage. */
-int acpi_slp_type = -1;
-
-#if IS_ENABLED(CONFIG_EARLY_CBMEM_INIT)
-int acpi_get_sleep_type(void)
-{
- struct romstage_handoff *handoff;
-
- handoff = cbmem_find(CBMEM_ID_ROMSTAGE_INFO);
-
- if (handoff == NULL) {
- printk(BIOS_DEBUG, "Unknown boot method, assuming normal.\n");
- return 0;
- } else if (handoff->s3_resume) {
- printk(BIOS_DEBUG, "S3 Resume.\n");
- return 3;
- } else {
- printk(BIOS_DEBUG, "Normal boot.\n");
- return 0;
- }
-}
-#endif
-
-static void acpi_handoff_wakeup(void)
-{
- if (acpi_slp_type < 0)
- acpi_slp_type = acpi_get_sleep_type();
-}
-
-int acpi_is_wakeup(void)
-{
- acpi_handoff_wakeup();
- /* Both resume from S2 and resume from S3 restart at CPU reset */
- return (acpi_slp_type == 3 || acpi_slp_type == 2);
-}
-
-int acpi_is_wakeup_s3(void)
-{
- acpi_handoff_wakeup();
- return (acpi_slp_type == 3);
-}
-
-void acpi_fail_wakeup(void)
-{
- if (acpi_slp_type == 3 || acpi_slp_type == 2)
- acpi_slp_type = 0;
-}
-
-void acpi_prepare_resume_backup(void)
-{
- if (!acpi_s3_resume_allowed())
- return;
-
- /* Let's prepare the ACPI S3 Resume area now already, so we can rely on
- * it being there during reboot time. We don't need the pointer, nor
- * the result right now. If it fails, ACPI resume will be disabled.
- */
-
- if (HIGH_MEMORY_SAVE)
- cbmem_add(CBMEM_ID_RESUME, HIGH_MEMORY_SAVE);
-}
-
-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;
-}
-
-static acpi_rsdp_t *rsdp;
-
-void *acpi_get_wakeup_rsdp(void)
-{
- return rsdp;
-}
-
-void *acpi_find_wakeup_vector(void)
-{
- char *p, *end;
- acpi_rsdt_t *rsdt;
- acpi_facs_t *facs;
- acpi_fadt_t *fadt = NULL;
- void *wake_vec;
- int i;
-
- rsdp = NULL;
-
- 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) {
- if ((rsdp = valid_rsdp((acpi_rsdp_t *)p)))
- break;
- }
-
- if (rsdp == NULL)
- return NULL;
-
- printk(BIOS_DEBUG, "RSDP found at %p\n", rsdp);
- rsdt = (acpi_rsdt_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 *)rsdt->entry[i];
- if (strncmp((char *)fadt, "FACP", 4) == 0)
- break;
- fadt = NULL;
- }
-
- if (fadt == NULL)
- return NULL;
-
- printk(BIOS_DEBUG, "FADT found at %p\n", fadt);
- facs = (acpi_facs_t *)fadt->firmware_ctrl;
-
- if (facs == NULL) {
- printk(BIOS_DEBUG, "No FACS found, wake up from S3 not "
- "possible.\n");
- return NULL;
- }
-
- printk(BIOS_DEBUG, "FACS found at %p\n", facs);
- wake_vec = (void *)facs->firmware_waking_vector;
- printk(BIOS_DEBUG, "OS waking vector is %p\n", wake_vec);
-
- return wake_vec;
-}
-
-#if CONFIG_SMP
-extern char *lowmem_backup;
-extern char *lowmem_backup_ptr;
-extern int lowmem_backup_size;
-#endif
-
-#define WAKEUP_BASE 0x600
-
-void (*acpi_do_wakeup)(u32 vector, u32 backup_source, u32 backup_target,
- u32 backup_size) asmlinkage = (void *)WAKEUP_BASE;
-
-extern unsigned char __wakeup;
-extern unsigned int __wakeup_size;
-
-void acpi_jump_to_wakeup(void *vector)
-{
- u32 acpi_backup_memory = 0;
-
- if (HIGH_MEMORY_SAVE && acpi_s3_resume_allowed()) {
- acpi_backup_memory = (u32)cbmem_find(CBMEM_ID_RESUME);
-
- if (!acpi_backup_memory) {
- printk(BIOS_WARNING, "ACPI: Backup memory missing. "
- "No S3 resume.\n");
- return;
- }
- }
-
-#if CONFIG_SMP
- // FIXME: This should go into the ACPI backup memory, too. No pork sausages.
- /*
- * Just restore the SMP trampoline and continue with wakeup on
- * assembly level.
- */
- memcpy(lowmem_backup_ptr, lowmem_backup, lowmem_backup_size);
-#endif
-
- /* Copy wakeup trampoline in place. */
- memcpy((void *)WAKEUP_BASE, &__wakeup, __wakeup_size);
-
- timestamp_add_now(TS_ACPI_WAKE_JUMP);
-
- acpi_do_wakeup((u32)vector, acpi_backup_memory, CONFIG_RAMBASE,
- HIGH_MEMORY_SAVE);
-}
-#endif
-
-void acpi_save_gnvs(u32 gnvs_address)
-{
- u32 *gnvs = cbmem_add(CBMEM_ID_ACPI_GNVS_PTR, sizeof(*gnvs));
- if (gnvs)
- *gnvs = gnvs_address;
-}