Michal Meloun b8bfffc1b6 Implement workaround for broken access to configuration space.
Due to a HW bug in the RockChip PCIe implementation, attempting to access
a non-existent register in the configuration space will throw an exception.
Use new bus functions bus_peek() and bus_poke() to overcomme this limitation.
2020-09-19 11:27:16 +00:00
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