From: John Garry <john.garry@huawei.com>
To: Jiaxun Yang <jiaxun.yang@flygoat.com>, <linux-mips@vger.kernel.org>
Cc: <chenhc@lemote.com>, <tsbogend@alpha.franken.de>
Subject: Re: logical PIO code for mips question (was Re: [PATCH RESEND v3 3/3] MIPS: Loongson64: Enable PCI_IO_VMMAP)
Date: Thu, 14 Jan 2021 11:20:13 +0000 [thread overview]
Message-ID: <ac236e82-b61b-8f8f-ddfc-78723154b8c9@huawei.com> (raw)
In-Reply-To: <83748d12-eee2-686a-e12d-2abf19aeccd0@flygoat.com>
On 14/01/2021 11:10, Jiaxun Yang wrote:
> Not yet.
>
>>
>> I may just do this (reserve 64K) under INDIRECT_PIO for now, not sure
>> yet.
>
> Probably we can make the first page of LOGIC_PIO a special region. It
> could be a
> reserved region when no legacy ISA bus present or overlay by MMIO in
> case like
> MIPS here.
Yeah, I could do that as well, but then I need special handling for that
region, which may complicate things.
Anyway, I'll cc you and linux-mips on any patch.
Thanks,
John
prev parent reply other threads:[~2021-01-14 11:22 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-26 11:47 [PATCH 0/4] MIPS: Loongson64: Use logic_pio Jiaxun Yang
2020-04-26 11:47 ` [PATCH 1/4] MIPS: Massage address spaces headers Jiaxun Yang
2020-04-26 11:47 ` [PATCH 2/4] MIPS: Introduce PCI_IO_VMMAP Jiaxun Yang
2020-04-26 11:47 ` [PATCH 3/4] lib: logic_pio: Introduce MMIO_LOWER_RESERVED Jiaxun Yang
2020-04-27 10:43 ` John Garry
2020-04-27 11:03 ` Jiaxun Yang
2020-04-27 11:54 ` John Garry
2020-04-27 11:54 ` John Garry
2020-04-27 11:54 ` John Garry
2020-04-27 12:21 ` Jiaxun Yang
2020-04-27 12:21 ` Jiaxun Yang
2020-04-27 12:21 ` Jiaxun Yang
2020-04-26 11:47 ` [PATCH 4/4] MIPS: Loongson64: Enable PCI_IO_VMMAP Jiaxun Yang
2020-04-30 0:57 ` [PATCH v3 1/3] MIPS: Move VMALLOC_START into spaces.h Jiaxun Yang
2020-04-30 0:57 ` [PATCH v3 2/3] MIPS: Introduce PCI_IO_VMMAP Jiaxun Yang
2020-04-30 0:57 ` [PATCH v3 3/3] MIPS: Loongson64: Enable PCI_IO_VMMAP Jiaxun Yang
2020-05-08 11:44 ` [PATCH RESEND v3 1/3] MIPS: Move VMALLOC_START into spaces.h Jiaxun Yang
2020-05-08 11:44 ` [PATCH RESEND v3 2/3] MIPS: Introduce PCI_IO_VMMAP Jiaxun Yang
2020-05-08 16:11 ` Thomas Bogendoerfer
2020-05-08 16:22 ` Jiaxun Yang
2020-05-08 16:52 ` Thomas Bogendoerfer
2020-05-08 17:09 ` Jiaxun Yang
2020-05-14 14:21 ` Thomas Bogendoerfer
2020-05-14 14:56 ` Jiaxun Yang
2020-05-14 13:20 ` Jiaxun Yang
2020-05-08 11:44 ` [PATCH RESEND v3 3/3] MIPS: Loongson64: Enable PCI_IO_VMMAP Jiaxun Yang
2021-01-13 18:02 ` logical PIO code for mips question (was Re: [PATCH RESEND v3 3/3] MIPS: Loongson64: Enable PCI_IO_VMMAP) John Garry
2021-01-14 0:13 ` Jiaxun Yang
2021-01-14 9:18 ` John Garry
2021-01-14 11:10 ` Jiaxun Yang
2021-01-14 11:20 ` John Garry [this message]
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