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controllers for SG2042 To: Manivannan Sadhasivam , Chen Wang Cc: kwilczynski@kernel.org, u.kleine-koenig@baylibre.com, aou@eecs.berkeley.edu, alex@ghiti.fr, arnd@arndb.de, bwawrzyn@cisco.com, bhelgaas@google.com, conor+dt@kernel.org, 18255117159@163.com, inochiama@gmail.com, kishon@kernel.org, krzk+dt@kernel.org, lpieralisi@kernel.org, palmer@dabbelt.com, paul.walmsley@sifive.com, robh@kernel.org, s-vadapalli@ti.com, tglx@linutronix.de, thomas.richard@bootlin.com, sycamoremoon376@gmail.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-riscv@lists.infradead.org, sophgo@lists.linux.dev, rabenda.cn@gmail.com, chao.wei@sophgo.com, xiaoguang.xing@sophgo.com, fengchun.li@sophgo.com, jeffbai@aosc.io References: <828860951ec4973285fe92fceb4b6f0ecb365a2f.1757643388.git.unicorn_wang@outlook.com> From: Chen Wang In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: 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X-MS-Exchange-CrossTenant-RMS-PersistedConsumerOrg: 00000000-0000-0000-0000-000000000000 X-MS-Exchange-Transport-CrossTenantHeadersStamped: MAUPR01MB11101 On 9/20/2025 3:42 PM, Manivannan Sadhasivam wrote: > On Fri, Sep 12, 2025 at 10:36:50AM +0800, Chen Wang wrote: >> From: Chen Wang >> >> Add PCIe controller nodes in DTS for Sophgo SG2042. >> Default they are disabled. >> >> Signed-off-by: Inochi Amaoto >> Signed-off-by: Han Gao >> Signed-off-by: Chen Wang >> --- >> arch/riscv/boot/dts/sophgo/sg2042.dtsi | 88 ++++++++++++++++++++++++++ >> 1 file changed, 88 insertions(+) >> >> diff --git a/arch/riscv/boot/dts/sophgo/sg2042.dtsi b/arch/riscv/boot/dts/sophgo/sg2042.dtsi >> index b3e4d3c18fdc..b521f674283e 100644 >> --- a/arch/riscv/boot/dts/sophgo/sg2042.dtsi >> +++ b/arch/riscv/boot/dts/sophgo/sg2042.dtsi >> @@ -220,6 +220,94 @@ clkgen: clock-controller@7030012000 { >> #clock-cells = <1>; >> }; >> >> + pcie_rc0: pcie@7060000000 { >> + compatible = "sophgo,sg2042-pcie-host"; >> + device_type = "pci"; >> + reg = <0x70 0x60000000 0x0 0x00800000>, >> + <0x40 0x00000000 0x0 0x00001000>; >> + reg-names = "reg", "cfg"; >> + linux,pci-domain = <0>; >> + #address-cells = <3>; >> + #size-cells = <2>; >> + ranges = <0x01000000 0x0 0xc0000000 0x40 0xc0000000 0x0 0x00400000>, > PCI address of the I/O port starts from 0. So this should be: > > <0x01000000 0x0 0x00000000 0x40 0xc0000000 0x0 0x00400000>, > > Same comment for other nodes. > > With this fixed, > > Acked-by: Manivannan Sadhasivam > > - Mani Thanks, I will fix this in next version. [......]