Searched hist:"514 e19138af26682dfaec0f92d24406b2e846f98" (Results 1 – 1 of 1) sorted by relevance
| /rk3399_rockchip-uboot/drivers/pci/ |
| H A D | pci_tegra.c | 514e19138af26682dfaec0f92d24406b2e846f98 Mon Oct 05 23:00:42 UTC 2015 Stephen Warren <swarren@nvidia.com> pci: tegra: implement PCA enable workaround
Tegra210's PCIe controller has a bug that requires the PCA (performance counter) feature to be enabled. If this isn't done, accesses to device configuration space will hang the chip for tens of seconds. Implement the workaround.
Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Tom Warren <twarren@nvidia.com>
|