On 12/9/21 12:47 PM, Jim Quinlan wrote: > The current brcmstb driver works for Arm and Arm64. A few things are > modified here for us to support MIPs as well. > > o There are four outbound range register groups and each directs a window > of up to 128MB. Even though there are four 128MB DT "ranges" in the > bmips PCIe DT node, these ranges are contiguous and are collapsed into > a single range by the OF range parser. Now the driver assumes a single > range -- for MIPs only -- and splits it back into 128MB sizes. > > o For bcm7425, the config space accesses must be 32-bit reads or > writes. In addition, the 4k config space register array is missing > and not used. > > o The registers for the upper 32-bits of the outbound window address do > not exist. > > o Burst size must be set to 256 (this refers to an internal bus). > > Signed-off-by: Jim Quinlan <jim2101024@xxxxxxxxx> Acked-by: Florian Fainelli <f.fainelli@xxxxxxxxx> -- Florian
