From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 11062C4743E for ; Sun, 6 Jun 2021 23:42:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E44EB6142A for ; Sun, 6 Jun 2021 23:42:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230196AbhFFXoX (ORCPT ); Sun, 6 Jun 2021 19:44:23 -0400 Received: from mail.kernel.org ([198.145.29.99]:42842 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229885AbhFFXoW (ORCPT ); Sun, 6 Jun 2021 19:44:22 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 2A3D16142A; Sun, 6 Jun 2021 23:42:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1623022952; bh=i1uufPaK1BX0kA3BJtIl9yPmxo9PBjDZ/jrFo/GJyw8=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=jsw4onpLJwXT0KXYZXGW3YB6Vg+YSGoAwX3d3Xu76JlRgZfEKVwoILi+DdrFtRYBb vIKbV/NdZNA6kKUMDuAzfn1MZHy7FmY2ot2jaPegpbhRUHQ7Q+IDG2V3ZPkxqOeVq9 1L3UOEhgcmCrjRlowgv5cmReuegRhUCTUm9MDdCLtyQ3jOSL1XJZYnsSgM9tW8JHW0 KvWTo9msYTczNFXE7VfTjH2sRlA0ACJK0yvjwx6etF4mZSlDAikgdajrUIBjkabbnB bORdrWh+x75U7XaetDbeqJAQGmwDo/lnXzfLVxlv0xVnLbs9tvCAqr498DOgujIRrh yMBAoTu3oGayA== Received: by mail-lf1-f42.google.com with SMTP id f11so23056763lfq.4; Sun, 06 Jun 2021 16:42:32 -0700 (PDT) X-Gm-Message-State: AOAM530JitmclC1GrMxKwQjZhlVGjmdQf72JO3T6KClHrKlkYTOQ07LL MGY8WazC1u05VlIyxim/nGD1yqX5Pm7jjNIcaxQ= X-Google-Smtp-Source: ABdhPJxvaxaFPrOwibMix35n1vL49cBzDLaWpXGSU6SIqkBBYbk+4WNMVtzOwyH2GWUvesqmouHHyNYsGl2aXhqhLJ8= X-Received: by 2002:a05:6512:987:: with SMTP id w7mr9954573lft.41.1623022950504; Sun, 06 Jun 2021 16:42:30 -0700 (PDT) MIME-Version: 1.0 References: <1622970249-50770-1-git-send-email-guoren@kernel.org> <3110420.cQCZQDpDj9@jernej-laptop> <1664140.l4xsYfQU8q@jernej-laptop> In-Reply-To: <1664140.l4xsYfQU8q@jernej-laptop> From: Guo Ren Date: Mon, 7 Jun 2021 07:42:18 +0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [RFC PATCH v2 00/11] riscv: Add DMA_COHERENT support for Allwinner D1 To: =?UTF-8?Q?Jernej_=C5=A0krabec?= Cc: Anup Patel , Palmer Dabbelt , Arnd Bergmann , wens@csie.org, maxime@cerno.tech, Drew Fustini , liush@allwinnertech.com, =?UTF-8?B?V2VpIFd1ICjlkLTkvJ8p?= , wefu@redhat.com, linux-riscv , Linux Kernel Mailing List , linux-arch , linux-sunxi@lists.linux.dev, Guo Ren Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jun 7, 2021 at 1:14 AM Jernej =C5=A0krabec wrote: > > Dne nedelja, 06. junij 2021 ob 18:54:05 CEST je Guo Ren napisal(a): > > V5 is not related to the patch series. > > Don't top post. > > If that's the case, then your e-mail client messed things up. I got V5 pa= tches > in the same thread as board enablement patches and so did mailing list [1= ]. I made mistake that make two patchset mixed in my linux directory. git format-patch -11 git send-email *.patch But there are still some last posted patches in *.patch. I'll prevent it in the next patchset version. > > Best regards, > Jernej > > [1] https://lore.kernel.org/linux-sunxi/ > CAJF2gTQ1yvSNthJ2yJkqaYGaJ6OYmf0vbG=3Dhm4ocgnw4DiZbOw@mail.gmail.com/T/#t > > > > > On Mon, Jun 7, 2021 at 12:29 AM Jernej =C5=A0krabec > wrote: > > > Hi! > > > > > > Dne nedelja, 06. junij 2021 ob 11:03:55 CEST je guoren@kernel.org > napisal(a): > > > > From: Guo Ren > > > > > > > > The RISC-V ISA doesn't yet specify how to query or modify PMAs, so = let > > > > vendors define the custom properties of memory regions in PTE. > > > > > > > > This patchset helps SOC vendors to support their own custom interco= nnect > > > > coherent solution with PTE attributes. > > > > > > > > For example, allwinner D1[1] uses T-HEAD C906 as main processor, C9= 06 > > > > has > > > > > > > > two modes in MMU: > > > > - Compatible mode, the same as the definitions in spec. > > > > - Enhanced mode, add custom DMA_COHERENT attribute bits in PTE whi= ch > > > > > > > > not mentioned in spec. > > > > > > > > Allwinner D1 needs the enhanced mode to support the DMA type device= with > > > > non-coherent interconnect in its SOC. C906 uses BITS(63 - 59) as cu= stom > > > > attribute bits in PTE. > > > > > > > > The patchset contain 4 parts (asid, pgtable, cmo, soc) which have b= een > > > > > > > > tested on D1: > > > > - asid: T-HEAD C906 of D1 contains full asid hw facilities which h= as no > > > > > > > > conflict with RISC-V spec, and hope these patches soon could be > > > > approved. > > > > > > > > - pgtable: Using a image-hdr to pass vendor specific information a= nd > > > > > > > > setup custom PTE attributes in a global struct variable during b= oot > > > > stage. Also it needs define custom protection_map in linux/mm. > > > > > > > > - cmo: We need deal with dma_sync & icache_sync & __vdso_icache_sy= nc. > > > > > > > > In this patchset, I just show you how T-HEAD C9xx work, and seem= s > > > > Atish > > > > is working for the DMA infrustructure, please let me know the id= ea. > > > > > > > > - soc: Add allwinner gmac driver & dts & Kconfig for sunxi test. > > > > > > > > The patchset could work with linux-5.13-rc4, here is the steps for = D1: > > > > - Download linux-5.13-rc4 and apply the patchset > > > > - make ARCH=3Driscv CROSS_COMPILE=3Driscv64-linux- defconfig > > > > - make ARCH=3Driscv CROSS_COMPILE=3Driscv64-linux- Image modules d= tbs > > > > - mkimage -A riscv -O linux -T kernel -C none -a 0x00200000 -e > > > > 0x00200000 > > > > > > > > -n Linux -d arch/riscv/boot/Image uImage - Download newest opensbi = [2], > > > > build with [3], and get fw_dynamic.bin - Copy uImage, fw_dynamic.bi= n, > > > > allwinner-d1-nezha-kit.dtb into boot partition of TF card. > > > > > > > > - Plugin the TF card and power on D1. > > > > > > > > Link: https://linux-sunxi.org/D1 [1] > > > > Link: https://github.com/riscv/opensbi branch:master [2] > > > > Link: > > > > https://github.com/riscv/opensbi/blob/master/docs/platform/thead-c9= xx.md > > > > [3] > > > > > > Some patches are marked with v2 and some V5. It's very confusing. Mar= k > > > them > > > with same version in next revision. > > > > > > Best regards, > > > Jernej > > > > > > > Changes since v1: > > > > - Rebase on linux-5.13-rc4 > > > > - Support defconfig for different PTE attributes > > > > - Support C906 icache_sync > > > > - Add Allwinner D1 dts & Kconfig & gmac for testing > > > > - Add asid optimization for D1 usage > > > > > > > > Guo Ren (10): > > > > riscv: asid: Use global mappings for kernel pages > > > > riscv: asid: Add ASID-based tlbflushing methods > > > > riscv: asid: Optimize tlbflush coding convention > > > > riscv: pgtable: Fixup _PAGE_CHG_MASK usage > > > > riscv: pgtable: Add custom protection_map init > > > > riscv: pgtable: Add DMA_COHERENT with custom PTE attributes > > > > riscv: cmo: Add dma-noncoherency support > > > > riscv: cmo: Add vendor custom icache sync > > > > riscv: soc: Initial DTS for Allwinner D1 NeZha board > > > > riscv: soc: Add Allwinner SoC kconfig option > > > > > > > > liush (1): > > > > riscv: soc: Allwinner D1 GMAC driver only for temp use > > > > > > > > arch/riscv/Kconfig | 9 + > > > > arch/riscv/Kconfig.socs | 12 + > > > > arch/riscv/boot/dts/Makefile | 1 + > > > > arch/riscv/boot/dts/allwinner/Makefile | 2 + > > > > .../boot/dts/allwinner/allwinner-d1-nezha-kit.dts | 29 + > > > > arch/riscv/boot/dts/allwinner/allwinner-d1.dtsi | 100 + > > > > arch/riscv/configs/defconfig | 1 + > > > > arch/riscv/include/asm/cacheflush.h | 48 +- > > > > arch/riscv/include/asm/mmu_context.h | 2 + > > > > arch/riscv/include/asm/pgtable-64.h | 8 +- > > > > arch/riscv/include/asm/pgtable-bits.h | 20 +- > > > > arch/riscv/include/asm/pgtable.h | 44 +- > > > > arch/riscv/include/asm/sbi.h | 15 + > > > > arch/riscv/include/asm/soc.h | 1 + > > > > arch/riscv/include/asm/tlbflush.h | 22 + > > > > arch/riscv/include/asm/vendorid_list.h | 1 + > > > > arch/riscv/kernel/sbi.c | 19 + > > > > arch/riscv/kernel/soc.c | 22 + > > > > arch/riscv/kernel/vdso/flush_icache.S | 33 +- > > > > arch/riscv/mm/Makefile | 1 + > > > > arch/riscv/mm/cacheflush.c | 3 +- > > > > arch/riscv/mm/context.c | 2 +- > > > > arch/riscv/mm/dma-mapping.c | 53 + > > > > arch/riscv/mm/init.c | 26 + > > > > arch/riscv/mm/tlbflush.c | 57 +- > > > > drivers/net/ethernet/Kconfig | 1 + > > > > drivers/net/ethernet/Makefile | 1 + > > > > drivers/net/ethernet/allwinnertmp/Kconfig | 17 + > > > > drivers/net/ethernet/allwinnertmp/Makefile | 7 + > > > > drivers/net/ethernet/allwinnertmp/sunxi-gmac-ops.c | 690 ++++++ > > > > drivers/net/ethernet/allwinnertmp/sunxi-gmac.c | 2240 > > > > > > > > ++++++++++++++++++++ drivers/net/ethernet/allwinnertmp/sunxi-gmac.h > > > > | > > > > 258 +++ > > > > > > > > drivers/net/phy/realtek.c | 2 +- > > > > mm/mmap.c | 4 + > > > > 34 files changed, 3714 insertions(+), 37 deletions(-) > > > > create mode 100644 arch/riscv/boot/dts/allwinner/Makefile > > > > create mode 100644 > > > > arch/riscv/boot/dts/allwinner/allwinner-d1-nezha-kit.dts > > > > > > > > create mode 100644 arch/riscv/boot/dts/allwinner/allwinner-d1.dtsi > > > > create > > > > mode 100644 arch/riscv/mm/dma-mapping.c > > > > > > > > create mode 100644 drivers/net/ethernet/allwinnertmp/Kconfig > > > > create mode 100644 drivers/net/ethernet/allwinnertmp/Makefile > > > > create mode 100644 drivers/net/ethernet/allwinnertmp/sunxi-gmac-op= s.c > > > > create mode 100644 drivers/net/ethernet/allwinnertmp/sunxi-gmac.c > > > > create mode 100644 drivers/net/ethernet/allwinnertmp/sunxi-gmac.h > > > > --=20 Best Regards Guo Ren ML: https://lore.kernel.org/linux-csky/ From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-14.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_PATCH,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org 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with SMTP id w7mr9954573lft.41.1623022950504; Sun, 06 Jun 2021 16:42:30 -0700 (PDT) MIME-Version: 1.0 References: <1622970249-50770-1-git-send-email-guoren@kernel.org> <3110420.cQCZQDpDj9@jernej-laptop> <1664140.l4xsYfQU8q@jernej-laptop> In-Reply-To: <1664140.l4xsYfQU8q@jernej-laptop> From: Guo Ren Date: Mon, 7 Jun 2021 07:42:18 +0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [RFC PATCH v2 00/11] riscv: Add DMA_COHERENT support for Allwinner D1 To: =?UTF-8?Q?Jernej_=C5=A0krabec?= Cc: Anup Patel , Palmer Dabbelt , Arnd Bergmann , wens@csie.org, maxime@cerno.tech, Drew Fustini , liush@allwinnertech.com, =?UTF-8?B?V2VpIFd1ICjlkLTkvJ8p?= , wefu@redhat.com, linux-riscv , Linux Kernel Mailing List , linux-arch , linux-sunxi@lists.linux.dev, Guo Ren X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210606_164232_888920_C5C0B5C9 X-CRM114-Status: GOOD ( 33.60 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org T24gTW9uLCBKdW4gNywgMjAyMSBhdCAxOjE0IEFNIEplcm5laiDFoGtyYWJlYyA8amVybmVqLnNr cmFiZWNAZ21haWwuY29tPiB3cm90ZToKPgo+IERuZSBuZWRlbGphLCAwNi4ganVuaWogMjAyMSBv YiAxODo1NDowNSBDRVNUIGplIEd1byBSZW4gbmFwaXNhbChhKToKPiA+IFY1IGlzIG5vdCByZWxh dGVkIHRvIHRoZSBwYXRjaCBzZXJpZXMuCj4KPiBEb24ndCB0b3AgcG9zdC4KPgo+IElmIHRoYXQn cyB0aGUgY2FzZSwgdGhlbiB5b3VyIGUtbWFpbCBjbGllbnQgbWVzc2VkIHRoaW5ncyB1cC4gSSBn b3QgVjUgcGF0Y2hlcwo+IGluIHRoZSBzYW1lIHRocmVhZCBhcyBib2FyZCBlbmFibGVtZW50IHBh dGNoZXMgYW5kIHNvIGRpZCBtYWlsaW5nIGxpc3QgWzFdLgpJIG1hZGUgbWlzdGFrZSB0aGF0IG1h a2UgdHdvIHBhdGNoc2V0IG1peGVkIGluIG15IGxpbnV4IGRpcmVjdG9yeS4KCmdpdCBmb3JtYXQt cGF0Y2ggLTExCmdpdCBzZW5kLWVtYWlsICoucGF0Y2gKCkJ1dCB0aGVyZSBhcmUgc3RpbGwgc29t 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