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| author | Felix Singer <felix.singer@secunet.com> | 2020-09-07 15:21:21 +0200 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2020-11-16 12:14:01 +0000 |
| commit | 205b53ee77baa257f20265dfbc6d6d72a2e504a5 (patch) | |
| tree | 2df84a72949b92fa010a2b5b79c53c08b725061e /src/device/Kconfig | |
| parent | 81f5bf301710911a5381084aba9ff99b8e575a46 (diff) | |
| download | coreboot-205b53ee77baa257f20265dfbc6d6d72a2e504a5.tar.gz coreboot-205b53ee77baa257f20265dfbc6d6d72a2e504a5.tar.bz2 coreboot-205b53ee77baa257f20265dfbc6d6d72a2e504a5.zip | |
device: Allow configuring bus mastering for PCI bridges conditionally
Change-Id: Ic7cacce28f473dda76ca203016dbb8e00149a990
Signed-off-by: Felix Singer <felix.singer@secunet.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/45150
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Diffstat (limited to 'src/device/Kconfig')
| -rw-r--r-- | src/device/Kconfig | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/device/Kconfig b/src/device/Kconfig index 777f3f50d3ec..d564f00b9c32 100644 --- a/src/device/Kconfig +++ b/src/device/Kconfig @@ -534,9 +534,20 @@ config PCI_ALLOW_BUS_MASTER if PCI_ALLOW_BUS_MASTER +config PCI_SET_BUS_MASTER_PCI_BRIDGES + bool "PCI bridges" + default y + help + Let coreboot configure bus mastering for PCI bridges. Enabling bus + mastering for a PCI bridge also allows it to forward requests from + downstream devices. Currently, payloads ignore this and only enable + bus mastering for the downstream device. Hence, this option is needed + for compatibility until payloads are fixed. + config PCI_ALLOW_BUS_MASTER_ANY_DEVICE bool "Any devices" default y + select PCI_SET_BUS_MASTER_PCI_BRIDGES help Allow coreboot to enable PCI bus mastering for any device. The actual selection of devices depends on the various PCI drivers in coreboot. |