Other Parts Discussed in Thread: AM3358
Tool/software: Linux
Hi,
I want two ethernet interface: eth0, eth1, so I use dual mac mode, but
eth1 cann't ping successfully.
am3358/linux rt
sdk: ti-processor-sdk-linux-rt-am335x-evm-05.01.00.11
device tree entries:
mac: ethernet@4a100000 {
compatible = "ti,am335x-cpsw","ti,cpsw";
ti,hwmods = "cpgmac0";
clocks = <&cpsw_125mhz_gclk>, <&cpsw_cpts_rft_clk>;
clock-names = "fck", "cpts";
cpdma_channels = <8>;
ale_entries = <1024>;
bd_ram_size = <0x2000>;
mac_control = <0x20>;
slaves = <2>;
active_slave = <0>;
cpts_clock_mult = <0x80000000>;
cpts_clock_shift = <29>;
reg = <0x4a100000 0x800
0x4a101200 0x100>;
#address-cells = <1>;
#size-cells = <1>;
/*
* c0_rx_thresh_pend
* c0_rx_pend
* c0_tx_pend
* c0_misc_pend
*/
interrupts = <40 41 42 43>;
ranges;
syscon = <&scm_conf>;
status = "disabled";
davinci_mdio: mdio@4a101000 {
compatible = "ti,cpsw-mdio","ti,davinci_mdio";
#address-cells = <1>;
#size-cells = <0>;
ti,hwmods = "davinci_mdio";
bus_freq = <1000000>;
reg = <0x4a101000 0x100>;
status = "disabled";
};
cpsw_emac0: slave@4a100200 {
/* Filled in by U-Boot */
mac-address = [ 00 00 00 00 00 00 ];
};
cpsw_emac1: slave@4a100300 {
/* Filled in by U-Boot */
mac-address = [ 00 00 00 00 00 00 ];
};
phy_sel: cpsw-phy-sel@44e10650 {
compatible = "ti,am3352-cpsw-phy-sel";
reg= <0x44e10650 0x4>;
reg-names = "gmii-sel";
};
};
&mac {
pinctrl-names = "default", "sleep";
pinctrl-0 = <&cpsw_default>;
pinctrl-1 = <&cpsw_sleep>;
status = "okay";
dual_emac = <1>; /* yuqing */
};
&davinci_mdio {
pinctrl-names = "default", "sleep";
pinctrl-0 = <&davinci_mdio_default>;
pinctrl-1 = <&davinci_mdio_sleep>;
status = "okay";
};
&cpsw_emac0 {
compatible = "ti,am335x-cpsw","ti,cpsw";
phy_id = <&davinci_mdio>, <1>;
phy-mode = "rgmii-txid";
dual_emac_res_vlan = <2>;
};
&cpsw_emac1 {
compatible = "ti,am335x-cpsw","ti,cpsw";
phy_id = <&davinci_mdio>, <2>;
phy-mode = "rgmii-txid";
dual_emac_res_vlan = <3>;
};
cpsw_default: cpsw_default {
pinctrl-single,pins = <
/* Slave 1 */
AM33XX_IOPAD(0x914, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /*
mii1_txen.rgmii1_tctl */
AM33XX_IOPAD(0x918, PIN_INPUT_PULLDOWN | MUX_MODE2) /*
mii1_rxdv.rgmii1_rctl */
AM33XX_IOPAD(0x91c, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /*
mii1_txd3.rgmii1_td3 */
AM33XX_IOPAD(0x920, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /*
mii1_txd2.rgmii1_td2 */
AM33XX_IOPAD(0x924, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /*
mii1_txd1.rgmii1_td1 */
AM33XX_IOPAD(0x928, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /*
mii1_txd0.rgmii1_td0 */
AM33XX_IOPAD(0x92c, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /*
mii1_txclk.rgmii1_tclk */
AM33XX_IOPAD(0x930, PIN_INPUT_PULLDOWN | MUX_MODE2) /*
mii1_rxclk.rgmii1_rclk */
AM33XX_IOPAD(0x934, PIN_INPUT_PULLDOWN | MUX_MODE2) /*
mii1_rxd3.rgmii1_rd3 */
AM33XX_IOPAD(0x938, PIN_INPUT_PULLDOWN | MUX_MODE2) /*
mii1_rxd2.rgmii1_rd2 */
AM33XX_IOPAD(0x93c, PIN_INPUT_PULLDOWN | MUX_MODE2) /*
mii1_rxd1.rgmii1_rd1 */
AM33XX_IOPAD(0x940, PIN_INPUT_PULLDOWN | MUX_MODE2) /*
mii1_rxd0.rgmii1_rd0 */
/* Slave 2 */
AM33XX_IOPAD(0x840, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /*
gpmc_a0.rgmii2_tctl */
AM33XX_IOPAD(0x844, PIN_INPUT_PULLDOWN | MUX_MODE2) /*
gpmc_a1.rgmii2_rctl */
AM33XX_IOPAD(0x848, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /*
gpmc_a2.rgmii2_td3 */
AM33XX_IOPAD(0x84c, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /*
gpmc_a3.rgmii2_td2 */
AM33XX_IOPAD(0x850, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /*
gpmc_a4.rgmii2_td1 */
AM33XX_IOPAD(0x854, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /*
gpmc_a5.rgmii2_td0 */
AM33XX_IOPAD(0x858, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /*
gpmc_a6.rgmii2_tclk */
AM33XX_IOPAD(0x85c, PIN_INPUT_PULLDOWN | MUX_MODE2) /*
gpmc_a7.rgmii2_rclk */
AM33XX_IOPAD(0x860, PIN_INPUT_PULLDOWN | MUX_MODE2) /* gpmc_a8.rgmii2_rd3 */
AM33XX_IOPAD(0x864, PIN_INPUT_PULLDOWN | MUX_MODE2) /* gpmc_a9.rgmii2_rd2 */
AM33XX_IOPAD(0x868, PIN_INPUT_PULLDOWN | MUX_MODE2) /*
gpmc_a10.rgmii2_rd1 */
AM33XX_IOPAD(0x86c, PIN_INPUT_PULLDOWN | MUX_MODE2) /*
gpmc_a11.rgmii2_rd0 */
>;
};
cpsw_sleep: cpsw_sleep {
pinctrl-single,pins = <
/* Slave 1 reset value */
AM33XX_IOPAD(0x914, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x918, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x91c, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x920, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x924, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x928, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x92c, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x930, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x934, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x938, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x93c, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x940, PIN_INPUT_PULLDOWN | MUX_MODE7)
/* Slave 2 reset value*/
AM33XX_IOPAD(0x840, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x844, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x848, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x84c, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x850, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x854, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x858, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x85c, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x860, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x864, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x868, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x86c, PIN_INPUT_PULLDOWN | MUX_MODE7)
>;
};
This configuration works, and I get two ethernet interfaces showing up
in Linux . I can ping eth0 interface successfully, But i cann't ping
eth1 interface successfully.
