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Mon, 07 Jun 2021 05:39:55 -0700 (PDT) MIME-Version: 1.0 References: <1622970249-50770-1-git-send-email-guoren@kernel.org> <1622970249-50770-14-git-send-email-guoren@kernel.org> <20210607071916.kwdbtafbqp3icgia@gilmour> <20210607121216.ypoehirsdypul3br@gilmour> In-Reply-To: <20210607121216.ypoehirsdypul3br@gilmour> From: Guo Ren Date: Mon, 7 Jun 2021 20:39:44 +0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [RFC PATCH v2 10/11] riscv: soc: Add Allwinner SoC kconfig option To: Maxime Ripard Cc: Anup Patel , Palmer Dabbelt , Arnd Bergmann , Chen-Yu Tsai , 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 , Atish Patra , Christoph Hellwig X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210607_053958_539734_C4E3177B X-CRM114-Status: GOOD ( 26.75 ) 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="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On Mon, Jun 7, 2021 at 8:12 PM Maxime Ripard wrote: > > On Mon, Jun 07, 2021 at 03:43:03PM +0800, Guo Ren wrote: > > On Mon, Jun 7, 2021 at 3:19 PM Maxime Ripard wrote: > > > > > > Hi, > > > > > > On Sun, Jun 06, 2021 at 09:04:08AM +0000, guoren@kernel.org wrote: > > > > From: Guo Ren > > > > > > > > Add Allwinner kconfig option which selects SoC specific and common > > > > drivers that is required for this SoC. > > > > > > > > Allwinner D1 uses custom PTE attributes to solve non-coherency SOC > > > > interconnect issues for dma synchronization, so we set the default > > > > value when SOC_SUNXI selected. > > > > > > > > Signed-off-by: Guo Ren > > > > Co-Developed-by: Liu Shaohua > > > > Signed-off-by: Liu Shaohua > > > > Cc: Anup Patel > > > > Cc: Atish Patra > > > > Cc: Christoph Hellwig > > > > Cc: Chen-Yu Tsai > > > > Cc: Drew Fustini > > > > Cc: Maxime Ripard > > > > Cc: Palmer Dabbelt > > > > Cc: Wei Fu > > > > Cc: Wei Wu > > > > --- > > > > arch/riscv/Kconfig.socs | 12 ++++++++++++ > > > > arch/riscv/configs/defconfig | 1 + > > > > 2 files changed, 13 insertions(+) > > > > > > > > diff --git a/arch/riscv/Kconfig.socs b/arch/riscv/Kconfig.socs > > > > index ed96376..055fb3e 100644 > > > > --- a/arch/riscv/Kconfig.socs > > > > +++ b/arch/riscv/Kconfig.socs > > > > @@ -69,4 +69,16 @@ config SOC_CANAAN_K210_DTB_SOURCE > > > > > > > > endif > > > > > > > > +config SOC_SUNXI > > > > + bool "Allwinner SoCs" > > > > + depends on MMU > > > > + select DWMAC_GENERIC > > > > + select SERIAL_8250 > > > > + select SERIAL_8250_CONSOLE > > > > + select SERIAL_8250_DW > > > > + select SIFIVE_PLIC > > > > + select STMMAC_ETH > > > > + help > > > > + This enables support for Allwinner SoC platforms like the D1. > > > > + > > > > > > We probably don't want to select DWMAC, STMMAC_ETH and the 8250 options, > > > looks good otherwise. > > > > > > Maxime > > Remove DWMAC, STMMAC_ETH is okay. > > > > But I think we still need: > > select SERIAL_8250_DW if SERIAL_8250 > > Well, even the UART is optional. Just enable them in the defconfig Okay -- Best Regards Guo Ren ML: https://lore.kernel.org/linux-csky/ _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv