On 08/28/2017 09:48 AM, Joakim Tjernlund wrote: > FSL PCIe controller drivers before REV 3 has this test for link up: > enabled = ltssm >= PCI_LTSSM_L0; > > We have a PCIe dev. that stays in LTSSM=0x51 (Polling Compliance) when non > ready > for PCI transaktions. When FSL PCIe controller tries to access this device, it > hangs forever. > > Is LTSSM=0x51 really a "legal" state for link up? > If not, what is a suitable range(maybe LO <= ltssm <= L0s(0x27)) ? > > Jocke > > BTW, the same test is valid in Linux too. >
Jocke, I am not an expert on PCIe. Please if this thread is helpful, http://patchwork.ozlabs.org/patch/801519/. York _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
