diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/intel/apollolake/acpi.c | 31 |
1 files changed, 27 insertions, 4 deletions
diff --git a/src/soc/intel/apollolake/acpi.c b/src/soc/intel/apollolake/acpi.c index 3677477f40..93602b9e8c 100644 --- a/src/soc/intel/apollolake/acpi.c +++ b/src/soc/intel/apollolake/acpi.c @@ -11,6 +11,8 @@ */ #include <arch/acpi.h> +#include <arch/ioapic.h> +#include <arch/smp/mpspec.h> #include <cpu/x86/smm.h> #include <soc/acpi.h> #include <soc/iomap.h> @@ -25,15 +27,36 @@ unsigned long acpi_fill_mcfg(unsigned long current) return current; } -unsigned long acpi_fill_madt(unsigned long current) +static int acpi_sci_irq(void) +{ + int sci_irq = 9; + return sci_irq; +} + +static unsigned long acpi_madt_irq_overrides(unsigned long current) { + int sci = acpi_sci_irq(); + uint16_t flags = MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW;; + + /* INT_SRC_OVR */ + current += acpi_create_madt_irqoverride((void *)current, 0, 0, 2, 0); + + /* SCI */ + current += acpi_create_madt_irqoverride((void *)current, 0, sci, sci, flags); + return current; } -static int acpi_sci_irq(void) +unsigned long acpi_fill_madt(unsigned long current) { - int sci_irq = 9; - return sci_irq; + /* Local APICs */ + current = acpi_create_madt_lapics(current); + + /* IOAPIC */ + current += acpi_create_madt_ioapic((void *) current, + 2, IO_APIC_ADDR, 0); + + return acpi_madt_irq_overrides(current); } void soc_fill_common_fadt(acpi_fadt_t * fadt) |