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-rw-r--r--src/acpi/acpi.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/src/acpi/acpi.c b/src/acpi/acpi.c
index 6417ef891e..282d734bd7 100644
--- a/src/acpi/acpi.c
+++ b/src/acpi/acpi.c
@@ -263,6 +263,13 @@ void acpi_create_madt(acpi_madt_t *madt)
header->checksum = acpi_checksum((void *)madt, header->length);
}
+static unsigned long acpi_fill_mcfg(unsigned long current)
+{
+ current += acpi_create_mcfg_mmconfig((acpi_mcfg_mmconfig_t *)current,
+ CONFIG_MMCONF_BASE_ADDRESS, 0, 0, CONFIG_MMCONF_BUS_NUMBER - 1);
+ return current;
+}
+
/* MCFG is defined in the PCI Firmware Specification 3.0. */
void acpi_create_mcfg(acpi_mcfg_t *mcfg)
{
@@ -284,7 +291,8 @@ void acpi_create_mcfg(acpi_mcfg_t *mcfg)
header->length = sizeof(acpi_mcfg_t);
header->revision = get_acpi_table_revision(MCFG);
- current = acpi_fill_mcfg(current);
+ if (CONFIG(MMCONF_SUPPORT))
+ current = acpi_fill_mcfg(current);
/* (Re)calculate length and checksum. */
header->length = current - (unsigned long)mcfg;