Felix Held submitted this change.

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include/device/pci_mmio_cfg: assert CONFIG_ECAM_MMCONF_BUS_NUMBER != 0

Make sure that CONFIG_ECAM_MMCONF_BUS_NUMBER is non-zero when the
ECAM_MMCONF_SUPPORT Kconfig option is selected.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Ic102b7dca9ffebb2d384a068a1fb1f4b6fb6c5f8
Reviewed-on: https://review.coreboot.org/c/coreboot/+/79933
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
---
M src/include/device/pci_mmio_cfg.h
1 file changed, 4 insertions(+), 0 deletions(-)

diff --git a/src/include/device/pci_mmio_cfg.h b/src/include/device/pci_mmio_cfg.h
index 89c9906..4164441 100644
--- a/src/include/device/pci_mmio_cfg.h
+++ b/src/include/device/pci_mmio_cfg.h
@@ -31,6 +31,10 @@
 #error "CONFIG_ECAM_MMCONF_BASE_ADDRESS undefined!"
 #endif
 
+#if CONFIG_ECAM_MMCONF_BUS_NUMBER == 0
+#error "CONFIG_ECAM_MMCONF_BUS_NUMBER is undefined!"
+#endif
+
 #if CONFIG_ECAM_MMCONF_BUS_NUMBER * MiB != CONFIG_ECAM_MMCONF_LENGTH
 #error "CONFIG_ECAM_MMCONF_LENGTH does not correspond with CONFIG_ECAM_MMCONF_BUS_NUMBER!"
 #endif

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