From: Ard Biesheuvel <ard.biesheuvel@linaro.org>
To: gary guo <heyi.guo@linaro.org>
Cc: Leif Lindholm <leif.lindholm@linaro.org>,
"edk2-devel@lists.01.org" <edk2-devel@lists.01.org>,
Michael D Kinney <michael.d.kinney@intel.com>,
Haojian Zhuang <haojian.zhuang@linaro.org>
Subject: Re: [PATCH edk2-platforms 00/12] Hisilicon/D0x: Switch to generic PciHostBridge
Date: Fri, 22 Jun 2018 16:08:09 +0200 [thread overview]
Message-ID: <CAKv+Gu-vvveoo4HTbE=gx3rcT4q10SpE9UxV5eroC+0b=Lr+_A@mail.gmail.com> (raw)
In-Reply-To: <20180622125801.GA2437@iwish>
On 22 June 2018 at 14:58, gary guo <heyi.guo@linaro.org> wrote:
> Sure. A little busy these days; I'll do that ASAP.
>
No worries.
BTW I noticed that we still have a problem with option ROMs when using
the new MMIO translation code. Did you look into that at all?
> On Thu, Jun 07, 2018 at 01:11:59PM +0200, Ard Biesheuvel wrote:
>> On 17 April 2018 at 03:20, Guo Heyi <heyi.guo@linaro.org> wrote:
>> > Hi Ard,
>> >
>> > I tested mm -io on D05, for root bridge 4 with CPU IO address starting from
>> > 0x8_abff0000, and it worked; both mm -io 0x8abff0000 and mm 0x8abff0000 provided
>> > the same output. It seems there is no other limit for 64bit IO address after you
>> > fixed the issue in EFI shell mm command.
>> >
>>
>> OK, so I think this is fine after all, even if my uneasy feeling
>> hasn't gone away :-)
>>
>> Could you please resend the latest rebased version of the patches?
>> (and include the ATU fix as well)
>>
>>
>> > On Mon, Apr 16, 2018 at 09:57:09PM +0800, Guo Heyi wrote:
>> >> Thanks, I will test mm command and let you know the result.
>> >>
>> >> Regards,
>> >>
>> >> Heyi
>> >>
>> >> On Fri, Apr 13, 2018 at 09:19:53AM +0200, Ard Biesheuvel wrote:
>> >> > On 13 April 2018 at 04:05, Guo Heyi <heyi.guo@linaro.org> wrote:
>> >> > > Hi Ard,
>> >> > >
>> >> > > Any comments?
>> >> > >
>> >> >
>> >> > Apologies for the delay. I have been travelling and am behind on email.
>> >> >
>> >> > > Anyway we can modify the code if you insist on using an intermediate CPU IO
>> >> > > address space.
>> >> > >
>> >> >
>> >> > I have not made up my mind yet, to be honest. I agree there is a
>> >> > certain elegance to merging both translations, but I am concerned that
>> >> > existing EDK2 code may deal poorly with I/O addresses that require
>> >> > more than 32 bits to express.
>> >> >
>> >> > Did you try the mm command in the shell for instance? As you know, I
>> >> > recently removed an artificial address range limit there, but I wonder
>> >> > if it uses 64-bit variables for I/O ports.
next prev parent reply other threads:[~2018-06-22 14:08 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-21 1:03 [PATCH edk2-platforms 00/12] Hisilicon/D0x: Switch to generic PciHostBridge Heyi Guo
2018-03-21 1:03 ` [PATCH edk2-platforms 01/12] Hisilicon: Enable WARN and INFO debug message Heyi Guo
2018-03-21 1:03 ` [PATCH edk2-platforms 02/12] Hisilicon/D05/PlatformPciLib: fix misuse of macro Heyi Guo
2018-03-21 1:03 ` [PATCH edk2-platforms 03/12] Hisilicon/Pci: move ATU configuration to PcieInitDxe Heyi Guo
2018-03-30 15:19 ` Ard Biesheuvel
2018-03-21 1:03 ` [PATCH edk2-platforms 04/12] Hisilicon/Pci: Merge PciPlatform into PcieInit Driver Heyi Guo
2018-03-21 1:03 ` [PATCH edk2-platforms 05/12] Hisilicon/Pci: Move EnlargeAtuConfig0() to PcieInitDxe Heyi Guo
2018-03-21 1:03 ` [PATCH edk2-platforms 06/12] Hisilicon/PlatformPciLib: add segment for each root bridge Heyi Guo
2018-03-21 1:03 ` [PATCH edk2-platforms 07/12] Hisilicon: add PciHostBridgeLib Heyi Guo
2018-03-30 15:28 ` Ard Biesheuvel
2018-03-21 1:03 ` [PATCH edk2-platforms 08/12] Hisilicon: add PciCpuIo2Dxe Heyi Guo
2018-03-30 15:30 ` Ard Biesheuvel
2018-03-21 1:03 ` [PATCH edk2-platforms 09/12] Hisilicon: add PciSegmentLib for Hi161x Heyi Guo
2018-03-21 1:03 ` [PATCH edk2-platforms 10/12] Hisilicon/D0x: Switch to generic PciHostBridge driver Heyi Guo
2018-03-30 15:34 ` Ard Biesheuvel
2018-03-21 1:03 ` [PATCH edk2-platforms 11/12] Hisilicon: remove platform specific PciHostBridge Heyi Guo
2018-03-30 15:37 ` Ard Biesheuvel
2018-03-21 1:03 ` [PATCH edk2-platforms 12/12] Hisilicon/PlatformPciLib: clear redundant felds in RESOURCE_APPETURE Heyi Guo
2018-03-28 1:05 ` [PATCH edk2-platforms 00/12] Hisilicon/D0x: Switch to generic PciHostBridge Guo Heyi
2018-03-28 9:43 ` Ard Biesheuvel
2018-03-29 0:20 ` Guo Heyi
2018-03-30 15:40 ` Ard Biesheuvel
2018-03-31 1:37 ` Guo Heyi
2018-04-13 2:05 ` Guo Heyi
2018-04-13 7:19 ` Ard Biesheuvel
2018-04-16 13:57 ` Guo Heyi
2018-04-17 1:20 ` Guo Heyi
2018-04-17 1:44 ` Guo Heyi
2018-05-31 1:02 ` heyi.guo
2018-06-07 11:11 ` Ard Biesheuvel
2018-06-22 12:58 ` gary guo
2018-06-22 14:08 ` Ard Biesheuvel [this message]
2018-06-24 11:22 ` Ard Biesheuvel
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