Date: Sat, 4 Jan 2014 22:28:32 +0100 From: Zbigniew Bodek <zbb@freebsd.org> To: Nathan Whitehorn <nwhitehorn@freebsd.org> Cc: Ruslan Bukin <br@freebsd.org>, "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org>, Olivier Houchard <cognet@freebsd.org> Subject: Re: RFC: ARM related fixes - GIC, cache line size, PCI FDT & AHCI Message-ID: <CALF_TxnxeNNTRbDjFnRnhFTeKjsuvkWzXivYtqJH-orAfbA7PA@mail.gmail.com> In-Reply-To: <52C87BC0.2060304@freebsd.org> References: <52AF3D06.2000004@semihalf.com> <52AF760A.2030500@freebsd.org> <52B0900B.7020905@freebsd.org> <52B2D0F3.50100@semihalf.com> <52C87BC0.2060304@freebsd.org>
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2014/1/4 Nathan Whitehorn <nwhitehorn@freebsd.org>: > On 12/19/13 05:56, Zbigniew Bodek wrote: >> On 17.12.2013 18:55, Nathan Whitehorn wrote: >>> On 12/16/13 15:52, Nathan Whitehorn wrote: >>>> On 12/16/13 11:48, Zbigniew Bodek wrote: >>>>> Hello Everyone. >>>>> >>>>> We would like to submit some new patches recently developed by Semihalf. >>>>> >>>>> You can find them here: >>>>> http://people.freebsd.org/~zbb/Semihalf/12.2013/ >>>>> >>>>> Detailed description is available in the commit logs but in general: >>>>> >>>>> -- 0001-Resolve-cache-line-size-using-CP15.patch >>>>> - use cache line size acquired in runtime >>>>> >>>>> -- 0002-GIC-polarity-and-level-support.patch >>>>> - suport for setting trigger level and polarity in GIC >>>>> >>>>> -- 0003-Add-PCI-FDT-interrupt-trigger-polarity-parsing.patch >>>>> - trigger and polarity parsing for PCI FDT interrupts >>>>> >>>>> -- 0004-Do-not-attach-to-bridges-in-AHCI-driver.patch >>>>> -- 0005-Use-only-mapped-BIOs-on-ARM.patch >>>>> - Two patches enabling the AHCI driver on ARM chips >>>>> >>>>> >>>>> We will appreciate if you could post your comments and/or remarks by the >>>>> end of this week when we plan to commit the changes. >>>>> >>>>> Best regards >>>>> zbb >>>>> _______________________________________________ >>>>> freebsd-arm@freebsd.org mailing list >>>>> http://lists.freebsd.org/mailman/listinfo/freebsd-arm >>>>> To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.org" >>>> Can you hold off on >>>> 0003-Add-PCI-FDT-interrupt-trigger-polarity-parsing.patch for the time >>>> being? I'm restructuring this code at the moment. >>>> -Nathan >>>> _______________________________________________ >>>> freebsd-arm@freebsd.org mailing list >>>> http://lists.freebsd.org/mailman/listinfo/freebsd-arm >>>> To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.org" >>> This is done now. I have not updated the ARM code, because I don't know >>> how it is supposed to work, but you can take a look at r259513 to >>> powerpc/ofw/ofw_pci.c to see how the new stuff works. It relies on some >>> device (nexus, for example) implementing OFW_BUS_CONFIG_INTR(), which >>> takes an IRQ and a sense code, but that seems to be wrapped up in a lot >>> of ARM-specific stuff. >>> >>> If you like, I can just write a piece of bridge code, but I don't want >>> to interfere with in-flight things on your end. >> >> Hello Nathan. >> >> We will wait for your refactoring to finish so no worries. We can skip >> this patch for now, the more that there were some comments to this one. >> >> Thanks and best regards >> zbb >> > > My restructuring is now done. I suspect ARM may want something like > PowerPC's pic_if.m in the future, but the interfaces are now in place > (ofw_bus_map_intr(), ofw_bus_config_intr()) to make that transition > fairly painless later on. > -Nathan Thank you very much Nathan. Best regards zbb
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