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bmips: add experimental ethernet support

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This adds experimental ethernet support for BCM6318, BCM6328, BCM6362, BCM6368
and BCM63268.
BCM6358 needs a different driver, so there's no support for now.

Working devices:
- Comtrend AR-5315u
- Comtrend AR-5387un
- Comtrend VR-3025u
- Comtrend VR-3032u

Not working devices:
- Netgear DGND3700 v2 (no idea on how the external switch is connected)
- Huawei HG556a ver B (BCM6358 needs a separate driveer)

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
This commit is contained in:
Álvaro Fernández Rojas
2021-03-01 08:21:59 +01:00
parent bf4aa0c6a2
commit 28dcb74de3
20 changed files with 2401 additions and 1 deletions
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100
target/linux/bmips/dts/bcm63268.dtsi
View File

@@ -432,5 +432,105 @@
status = "disabled";
};
ethernet: ethernet@1000d800 {
compatible = "brcm,bcm63268-enetsw";
reg = <0x1000d800 0x80>,
<0x1000da00 0x80>,
<0x1000dc00 0x80>;
reg-names = "dma",
"dma-channels",
"dma-sram";
interrupt-parent = <&periph_intc>;
interrupts = <BCM63268_IRQ_ENETSW_RX_DMA0>,
<BCM63268_IRQ_ENETSW_TX_DMA0>;
interrupt-names = "rx",
"tx";
clocks = <&periph_clk BCM63268_CLK_GMAC>,
<&periph_clk BCM63268_CLK_ROBOSW>,
<&periph_clk BCM63268_CLK_ROBOSW250>,
<&timer_clk BCM63268_TCLK_EPHY1>,
<&timer_clk BCM63268_TCLK_EPHY2>,
<&timer_clk BCM63268_TCLK_EPHY3>,
<&timer_clk BCM63268_TCLK_GPHY1>;
resets = <&periph_rst BCM63268_RST_ENETSW>,
<&periph_rst BCM63268_RST_EPHY>,
<&periph_rst BCM63268_RST_GPHY>;
power-domains = <&periph_pwr BCM63268_POWER_DOMAIN_ROBOSW>;
dma-rx = <0>;
dma-tx = <1>;
status = "disabled";
};
switch0: switch@10700000 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "brcm,bcm6328-switch";
reg = <0x10700000 0x8000>;
big-endian;
ports {
#address-cells = <1>;
#size-cells = <0>;
port@8 {
reg = <8>;
label = "cpu";
phy-mode = "internal";
ethernet = <&ethernet>;
fixed-link {
speed = <1000>;
full-duplex;
};
};
};
};
mdio: mdio@107000b0 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "brcm,bcm6368-mdio-mux";
reg = <0x107000b0 0x8>;
mdio_int: mdio@0 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0>;
phy1: ethernet-phy@1 {
compatible = "ethernet-phy-ieee802.3-c22";
reg = <1>;
};
phy2: ethernet-phy@2 {
compatible = "ethernet-phy-ieee802.3-c22";
reg = <2>;
};
phy3: ethernet-phy@3 {
compatible = "ethernet-phy-ieee802.3-c22";
reg = <3>;
};
phy4: ethernet-phy@4 {
compatible = "ethernet-phy-ieee802.3-c22";
reg = <4>;
};
};
mdio_ext: mdio@1 {
#address-cells = <1>;
#size-cells = <0>;
reg = <1>;
};
};
};
};