pci: add pci config space read/write helpers - #188
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Add legacy (IO ports based) access mechanism to PCI configuration space. The helpers allow to read/write 8-bit, 16-bit and 32-bit values. Separate helper pci_cfg_set_addr() is used for address selection. Signed-off-by: Pawel Wieczorkiewicz <wipawel@amazon.de>
wipawel
added
feature
bjoernd
approved these changes
Aug 6, 2021
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Add legacy (IO ports based) access mechanism to PCI configuration space.
The helpers allow to read/write 8-bit, 16-bit and 32-bit values.
Separate helper pci_cfg_set_addr() is used for address selection.
Signed-off-by: Pawel Wieczorkiewicz wipawel@amazon.de
Part of: #87, #179
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