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authorPatrick Rudolph <patrick.rudolph@9elements.com>2020-03-24 17:29:49 +0100
committerMatt DeVillier <matt.devillier@gmail.com>2020-04-13 23:32:27 +0000
commit56a3ef2e7419150e468198ac6c6ae2ebdd9e0afd (patch)
tree5a35e2a1aaccba906509ae017040d53babf490ca /src/arch
parentc02bda0f066927744c5d75de14e4c1cf73ce39c9 (diff)
downloadcoreboot-56a3ef2e7419150e468198ac6c6ae2ebdd9e0afd.tar.xz
acpi: Bump MADT to revision 3
Add structs and methods for revision 3. Change-Id: Ida75f530551ad2b8b20ce7fdeffb3befc51296bc Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/39806 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr> Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Diffstat (limited to 'src/arch')
-rw-r--r--src/arch/x86/acpi.c37
-rw-r--r--src/arch/x86/include/arch/acpi.h24
2 files changed, 57 insertions, 4 deletions
diff --git a/src/arch/x86/acpi.c b/src/arch/x86/acpi.c
index a5c5c49473..4ff1ad55e1 100644
--- a/src/arch/x86/acpi.c
+++ b/src/arch/x86/acpi.c
@@ -127,6 +127,18 @@ int acpi_create_madt_lapic(acpi_madt_lapic_t *lapic, u8 cpu, u8 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;
@@ -146,8 +158,12 @@ unsigned long acpi_create_madt_lapics(unsigned long current)
if (num_cpus > 1)
bubblesort(apic_ids, num_cpus, NUM_ASCENDING);
for (index = 0; index < num_cpus; index++) {
- current += acpi_create_madt_lapic((acpi_madt_lapic_t *)current,
- index, apic_ids[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;
@@ -191,6 +207,21 @@ int acpi_create_madt_lapic_nmi(acpi_madt_lapic_nmi_t *lapic_nmi, u8 cpu,
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;
+}
+
void acpi_create_madt(acpi_madt_t *madt)
{
acpi_header_t *header = &(madt->header);
@@ -1556,7 +1587,7 @@ int get_acpi_table_revision(enum acpi_tables 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 2;
+ return 3;
case MCFG:
return 1;
case TCPA:
diff --git a/src/arch/x86/include/arch/acpi.h b/src/arch/x86/include/arch/acpi.h
index f5ec9f1685..0ed89d1b12 100644
--- a/src/arch/x86/include/arch/acpi.h
+++ b/src/arch/x86/include/arch/acpi.h
@@ -466,6 +466,26 @@ typedef struct acpi_madt_irqoverride {
u16 flags; /* MPS INTI flags */
} __packed acpi_madt_irqoverride_t;
+/* MADT: Processor Local x2APIC Structure */
+typedef struct acpi_madt_lx2apic {
+ u8 type; /* Type (9) */
+ u8 length; /* Length in bytes (16) */
+ u16 reserved;
+ u32 x2apic_id; /* Local x2APIC ID */
+ u32 flags; /* Same as Local APIC flags */
+ u32 processor_id; /* ACPI processor ID */
+} __packed acpi_madt_lx2apic_t;
+
+/* MADT: Processor Local x2APIC NMI Structure */
+typedef struct acpi_madt_lx2apic_nmi {
+ u8 type; /* Type (10) */
+ u8 length; /* Length in bytes (12) */
+ u16 flags; /* Same as MPS INTI flags */
+ u32 processor_id; /* ACPI processor ID */
+ u8 lint; /* Local APIC LINT# */
+ u8 reserved[3];
+} __packed acpi_madt_lx2apic_nmi_t;
+
#define ACPI_DBG2_PORT_SERIAL 0x8000
#define ACPI_DBG2_PORT_SERIAL_16550 0x0000
#define ACPI_DBG2_PORT_SERIAL_16550_DBGP 0x0001
@@ -871,7 +891,9 @@ void acpi_create_madt(acpi_madt_t *madt);
unsigned long acpi_create_madt_lapics(unsigned long current);
unsigned long acpi_create_madt_lapic_nmis(unsigned long current, u16 flags,
u8 lint);
-
+int acpi_create_madt_lx2apic(acpi_madt_lx2apic_t *lapic, u32 cpu, u32 apic);
+int acpi_create_madt_lx2apic_nmi(acpi_madt_lx2apic_nmi_t *lapic_nmi, u32 cpu,
+ u16 flags, u8 lint);
int acpi_create_srat_lapic(acpi_srat_lapic_t *lapic, u8 node, u8 apic);
int acpi_create_srat_mem(acpi_srat_mem_t *mem, u8 node, u32 basek, u32 sizek,
u32 flags);