Re: [PATCH] pci: Fix configuring io/memory base and limit registers of PCI bridges

2021-09-23 Thread Tom Rini
On Fri, Sep 10, 2021 at 01:33:35PM +0200, Pali Rohár wrote: > Lower 4 bits of PCI_MEMORY_BASE and PCI_MEMORY_LIMIT registers are reserved > and should be zero. So do not set them to non-zero value. > > Lower 4 bits of PCI_PREF_MEMORY_BASE and PCI_PREF_MEMORY_LIMIT registers > contain information

Re: [PATCH] pci: Fix configuring io/memory base and limit registers of PCI bridges

2021-09-19 Thread Stefan Roese
Added Bin to cc. On 10.09.21 13:33, Pali Rohár wrote: Lower 4 bits of PCI_MEMORY_BASE and PCI_MEMORY_LIMIT registers are reserved and should be zero. So do not set them to non-zero value. Lower 4 bits of PCI_PREF_MEMORY_BASE and PCI_PREF_MEMORY_LIMIT registers contain information if 64-bit memo

[PATCH] pci: Fix configuring io/memory base and limit registers of PCI bridges

2021-09-10 Thread Pali Rohár
Lower 4 bits of PCI_MEMORY_BASE and PCI_MEMORY_LIMIT registers are reserved and should be zero. So do not set them to non-zero value. Lower 4 bits of PCI_PREF_MEMORY_BASE and PCI_PREF_MEMORY_LIMIT registers contain information if 64-bit memory addressing is supported. So preserve this information