On Sunday 23 November 2014 18:40:35 Kevin Cernekee wrote:
> V2->V3:
>
> - Omit the BMIPS updates that have already been accepted into Ralf's tree.
> They are still needed, but not reposted.
>
> - Make USB endian swap options conditional on "if CPU_BIG_ENDIAN".
>
> - Remove board listing from
> Documentation/devicetree/bindings/mips/brcm/soc.txt
>
> - Remove legacy device autodetection and chip ID decoding. Legacy
> boards/bootloaders will be supported by selecting a single DTB file
> to compile into the kernel.
>
> - Refactor quirks code to match against DT "compatible" strings, not chip
> IDs.
>
> - Fix CPU1 boot (missing DT node) on 6329.
>
> - Remove @0 / addressing properties on non-reg nodes.
>
> - Remove bogus "brcm,bmips" bus registration.
>
> - Move UBUS peripherals onto a "simple-bus" and set DMA ranges for this
> bus on bcm3384_zephyr.
>
> - Fix base addresses on 6328/6368 for "periph_intc@10000020".
>
> - Change the MIPS_L1_CACHE_SHIFT calculation so as to minimize the impact
> on other builds (like bcm63xx).
Looks nice to me overall, with the new way of handling the dtb passing,
this seems much more flexible, and I guess it can be turned into an
actual multiplatform build if there is ever a desire to do that.
> Re: dma-ranges
>
> dma.c implements a minimal remapping scheme just for the current UBUS
> peripherals. The remapping is global, and it isn't the same mapping
> needed for PCI(e). A more comprehensive solution will be needed before
> PCI support can be added.
>
> On chips OTHER than 3384, remapping is only required on PCI (not UBUS or
> "rdb"). Notably, BCM7445, an ARM platform currently supported upstream,
> doesn't require dma-ranges for non-PCI devices.
>
> I am hoping we can piggyback on top of the ARM dma-ranges code once it
> is merged. This will allow for eliminating my dma.c.
Sounds good.
Arnd
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