diff options
| author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2023-04-11 01:00:17 +0300 |
|---|---|---|
| committer | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2023-04-26 11:02:18 +0000 |
| commit | 10bdee13272a77aed46912363db691cf4c088a93 (patch) | |
| tree | bd517b6ae4e690ce5c1fe0d99e353fd012d2fe83 /src/acpi | |
| parent | e742b68f1ac9324ce1f700323f1226e86d068a8c (diff) | |
ACPI: Add COMMON_ACPI_MADT_IOAPIC and CUSTOM_ACPI_MADT
Add Kconfig COMMON_ACPI_MADT_IOAPIC to replace platforms'
implementations of adding IOAPIC and IRQ override entries
for ACPI MADT tables.
Platforms that have a more complex MADT may continue to
add custom entries using CUSTOM_ACPI_MADT.
Change-Id: I0b77769f89cc319ad228eb37bc341e2150b8a892
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74348
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Diffstat (limited to 'src/acpi')
| -rw-r--r-- | src/acpi/Kconfig | 15 | ||||
| -rw-r--r-- | src/acpi/acpi.c | 17 |
2 files changed, 28 insertions, 4 deletions
diff --git a/src/acpi/Kconfig b/src/acpi/Kconfig index 5af8b221bd..3b02070554 100644 --- a/src/acpi/Kconfig +++ b/src/acpi/Kconfig @@ -31,13 +31,22 @@ config ACPI_SOC_NVS Set to indicate <soc/nvs.h> exists for the platform with a definition for global_nvs. +config ACPI_CUSTOM_MADT + bool + default n if ACPI_NO_CUSTOM_MADT + default y + help + Selected by platforms that need to expose custom MADT entries. + +config ACPI_NO_CUSTOM_MADT + bool + default y if ACPI_COMMON_MADT_LAPIC && ACPI_COMMON_MADT_IOAPIC + config ACPI_COMMON_MADT_LAPIC bool -config ACPI_NO_MADT +config ACPI_COMMON_MADT_IOAPIC bool - help - Selected by platforms that don't expose a useful MADT. config ACPI_NO_PCAT_8259 bool diff --git a/src/acpi/acpi.c b/src/acpi/acpi.c index c357e2bd23..e06ac470e0 100644 --- a/src/acpi/acpi.c +++ b/src/acpi/acpi.c @@ -276,6 +276,18 @@ int acpi_create_madt_sci_override(acpi_madt_irqoverride_t *irqoverride) return irqoverride->length; } +static unsigned long acpi_create_madt_ioapic_gsi0_default(unsigned long current) +{ + current += acpi_create_madt_ioapic_from_hw((acpi_madt_ioapic_t *)current, IO_APIC_ADDR); + + current += acpi_create_madt_irqoverride((void *)current, MP_BUS_ISA, 0, 2, + MP_IRQ_TRIGGER_EDGE | MP_IRQ_POLARITY_HIGH); + + current += acpi_create_madt_sci_override((void *)current); + + return current; +} + static int acpi_create_madt_lapic_nmi(acpi_madt_lapic_nmi_t *lapic_nmi, u8 cpu, u16 flags, u8 lint) { @@ -353,7 +365,10 @@ static void acpi_create_madt(acpi_madt_t *madt) if (CONFIG(ACPI_COMMON_MADT_LAPIC)) current = acpi_create_madt_lapics_with_nmis(current); - if (!CONFIG(ACPI_NO_MADT)) + if (CONFIG(ACPI_COMMON_MADT_IOAPIC)) + current = acpi_create_madt_ioapic_gsi0_default(current); + + if (CONFIG(ACPI_CUSTOM_MADT)) current = acpi_fill_madt(current); /* (Re)calculate length and checksum. */ |