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authorKyösti Mälkki <kyosti.malkki@gmail.com>2021-02-14 15:09:45 +0200
committerKyösti Mälkki <kyosti.malkki@gmail.com>2021-10-18 14:20:28 +0000
commitb54388df63f1a42b623e01ec03476712b4a08710 (patch)
tree7e11996c134b0f89b094958d49bdb2501938cc3b /src/acpi/acpi.c
parent9ae922abf728814e10781a71f35803bd53d57524 (diff)
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ACPI: Have common acpi_fill_mcfg()
As long as there is only one PCI segment we do not need more complicated MCFG generation. Change-Id: Ic2a8e84383883039bb7f994227e2e425366f9e13 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/50666 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com> Reviewed-by: Nico Huber <nico.h@gmx.de>
Diffstat (limited to 'src/acpi/acpi.c')
-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 6417ef891e1d..282d734bd7b3 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;