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authorAngel Pons <th3fanbus@gmail.com>2021-01-28 13:04:06 +0100
committerAngel Pons <th3fanbus@gmail.com>2021-01-30 23:10:22 +0000
commit50632878bf9dbae54fac4b48070482531002a290 (patch)
tree86946d6b92dfc0e2823a50f755f2e30538da97ef /src/include
parent67df3ff8003bf3f78e5168245a727e10752e2062 (diff)
downloadcoreboot-50632878bf9dbae54fac4b48070482531002a290.tar.xz
device/Kconfig: Introduce MMCONF_LENGTH
This is necessary because ASL Memory32Fixed values cannot contain operations, even if they can be evaluated to constants. Add a sanity check in pci_mmio_cfg.h to ensure consistency with MMCONF_BUS_NUMBER. Change-Id: I8f0b5edf166580cc12c1363d8d6b6ef0f2854be9 Signed-off-by: Angel Pons <th3fanbus@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/50033 Reviewed-by: Arthur Heymans <arthur@aheymans.xyz> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/include')
-rw-r--r--src/include/device/pci_mmio_cfg.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/include/device/pci_mmio_cfg.h b/src/include/device/pci_mmio_cfg.h
index 234ebb4c2c..8798405776 100644
--- a/src/include/device/pci_mmio_cfg.h
+++ b/src/include/device/pci_mmio_cfg.h
@@ -101,6 +101,10 @@ uint32_t *pci_mmio_config32_addr(pci_devfn_t dev, uint16_t reg)
#error "CONFIG_MMCONF_BASE_ADDRESS undefined!"
#endif
+#if CONFIG_MMCONF_BUS_NUMBER * MiB != CONFIG_MMCONF_LENGTH
+#error "CONFIG_MMCONF_LENGTH does not correspond with CONFIG_MMCONF_BUS_NUMBER!"
+#endif
+
/* Avoid name collisions as different stages have different signature
* for these functions. The _s_ stands for simple, fundamental IO or
* MMIO variant.