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| author | Felix Singer <felix.singer@secunet.com> | 2020-09-07 13:57:49 +0200 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2020-11-02 06:30:32 +0000 |
| commit | 3d9fa08bf128ecef5aa795c04443f1cd9a76603d (patch) | |
| tree | dbaa9d1bf6dcc8382272af0a8036fe15cf4c9379 | |
| parent | d7511f805453982ad23173fbba5f1110e6d5fa9c (diff) | |
| download | coreboot-3d9fa08bf128ecef5aa795c04443f1cd9a76603d.tar.gz coreboot-3d9fa08bf128ecef5aa795c04443f1cd9a76603d.tar.bz2 coreboot-3d9fa08bf128ecef5aa795c04443f1cd9a76603d.zip | |
device: Rework bus master option
As an intermediate step for CB:45150, add an additional Kconfig option
which is used to configure bus mastering for any devices and use
PCI_ALLOW_BUS_MASTER to allow coreboot setting the bus mastering bit in
general.
Change-Id: I33b37a79022007a16e97350db61575b63fa8256b
Signed-off-by: Felix Singer <felix.singer@secunet.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/45149
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
| -rw-r--r-- | src/device/Kconfig | 11 | ||||
| -rw-r--r-- | src/include/device/pci.h | 2 |
2 files changed, 12 insertions, 1 deletions
diff --git a/src/device/Kconfig b/src/device/Kconfig index cbe970f17034..777f3f50d3ec 100644 --- a/src/device/Kconfig +++ b/src/device/Kconfig @@ -532,6 +532,17 @@ config PCI_ALLOW_BUS_MASTER instance, for libpayload based payloads as the drivers don't enable bus mastering for PCI bridges. +if PCI_ALLOW_BUS_MASTER + +config PCI_ALLOW_BUS_MASTER_ANY_DEVICE + bool "Any devices" + default y + help + Allow coreboot to enable PCI bus mastering for any device. The actual + selection of devices depends on the various PCI drivers in coreboot. + +endif # PCI_ALLOW_BUS_MASTER + endif # PCI if PCIEXP_PLUGIN_SUPPORT diff --git a/src/include/device/pci.h b/src/include/device/pci.h index 58f5904996a8..777f0303552e 100644 --- a/src/include/device/pci.h +++ b/src/include/device/pci.h @@ -144,7 +144,7 @@ void pci_dev_request_bus_master(pci_devfn_t dev) void pci_dev_request_bus_master(struct device *dev) #endif /* ENV_PCI_SIMPLE_DEVICE */ { - if (CONFIG(PCI_ALLOW_BUS_MASTER)) + if (CONFIG(PCI_ALLOW_BUS_MASTER_ANY_DEVICE)) pci_or_config16(dev, PCI_COMMAND, PCI_COMMAND_MASTER); } |