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发表于 2018-12-26 10:41:00
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您好：
还有个问题需要请教您一下，我参考贵公司TL437X-IDK开发板中的设备数文件发现am4372.dtsi中pru相关的定义使用的是pruss_wrapper定义的，我不太明白为什么要这样用，我把我的am4372.dtsi中的pru相关的定义：
pruss1: pruss@54400000 {
compatible = "ti,am4372-pruss";
ti,hwmods = "pruss";
reg = <0x54400000 0x2000>,
<0x54402000 0x2000>,
<0x54410000 0x8000>,
<0x54420000 0x2000>,
<0x54426000 0x2000>,
<0x5442e000 0x31c>,
<0x54432000 0x58>;
reg-names = "dram0", "dram1", "shrdram2", "intc", "cfg",
"iep", "mii_rt";
#address-cells = <1>;
#size-cells = <1>;
ranges;
pruss1_intc: intc@54420000 {
compatible = "ti,am4372-pruss-intc";
interrupts = <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH
GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH
GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH
GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH
GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH
GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH
GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "host2", "host3", "host4",
"host5", "host6", "host8",
"host9";
interrupt-controller;
#interrupt-cells = <1>;
};
pru1_0: pru0@54434000 {
compatible = "ti,am4372-pru";
reg = <0x54434000 0x3000>,
<0x54422000 0x400>,
<0x54422400 0x100>;
reg-names = "iram", "control", "debug";
mboxes = <&mailbox &mbox_pru1_0>;
};
pru1_1: pru1@54438000 {
compatible = "ti,am4372-pru";
reg = <0x54438000 0x3000>,
<0x54424000 0x400>,
<0x54424400 0x100>;
reg-names = "iram", "control", "debug";
mboxes = <&mailbox &mbox_pru1_1>;
};
pruss1_mdio: mdio@54432400 {
compatible = "ti,davinci_mdio";
reg = <0x54432400 0x90>;
clocks = <&dpll_core_m4_ck>;
clock-names = "fck";
bus_freq = <1000000>;
#address-cells = <1>;
#size-cells = <0>;
status = "disabled";
};
};
改成使用pruss_wrapper
pruss_wrapper: pruss_wrapper@54426000 {
compatible = "ti,am4372-pruss-wrapper";
reg = <0x54426000 0x2000>;
ti,hwmods = "pruss";
#address-cells = <1>;
#size-cells = <1>;
ranges;
pruss1: pruss@54400000 {
compatible = "ti,am4372-pruss";
reg = <0x54400000 0x2000>,
<0x54402000 0x2000>,
<0x54410000 0x8000>,
<0x54426000 0x2000>,
<0x5442e000 0x31c>,
<0x54432000 0x58>;
reg-names = "dram0", "dram1", "shrdram2", "cfg",
"iep", "mii_rt";
#address-cells = <1>;
#size-cells = <1>;
ranges;
pruss1_intc: intc@54420000 {
compatible = "ti,am4372-pruss-intc";
reg = <0x54420000 0x2000>;
reg-names = "intc";
interrupts =
<GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH
GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH
GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH
GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH
GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH
GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH
GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "host2", "host3",
"host4", "host5",
"host6", "host8",
"host9";
interrupt-controller;
#interrupt-cells = <1>;
};
pru1_0: pru0@54434000 {
compatible = "ti,am4372-pru";
reg = <0x54434000 0x3000>,
<0x54422000 0x400>,
<0x54422400 0x100>;
reg-names = "iram", "control", "debug";
interrupt-parent = <&pruss1_intc>;
interrupts = <16>, <17>;
interrupt-names = "vring", "kick";
};
pru1_1: pru1@54438000 {
compatible = "ti,am4372-pru";
reg = <0x54438000 0x3000>,
<0x54424000 0x400>,
<0x54424400 0x100>;
reg-names = "iram", "control", "debug";
interrupt-parent = <&pruss1_intc>;
interrupts = <18>, <19>;
interrupt-names = "vring", "kick";
};
pruss1_mdio: mdio@54432400 {
compatible = "ti,davinci_mdio";
reg = <0x54432400 0x90>;
clocks = <&dpll_core_m4_ck>;
clock-names = "fck";
bus_freq = <1000000>;
#address-cells = <1>;
#size-cells = <0>;
status = "disabled";
};
};
pruss0: pruss@54440000 {
compatible = "ti,am4372-pruss";
reg = <0x54440000 0x1000>,
<0x54442000 0x1000>,
<0x54466000 0x2000>,
<0x5446e000 0x31c>,
<0x54472000 0x58>;
reg-names = "dram0", "dram1", "cfg",
"iep", "mii_rt";
#address-cells = <1>;
#size-cells = <1>;
ranges;
pruss0_intc: intc@54460000 {
compatible = "ti,am4372-pruss-intc";
reg = <0x54460000 0x2000>;
reg-names = "intc";
interrupts =
<GIC_SPI 159 IRQ_TYPE_LEVEL_HIGH
GIC_SPI 160 IRQ_TYPE_LEVEL_HIGH
GIC_SPI 161 IRQ_TYPE_LEVEL_HIGH
GIC_SPI 162 IRQ_TYPE_LEVEL_HIGH
GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH
GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH
GIC_SPI 165 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "host2", "host3",
"host4", "host5",
"host6", "host8",
"host9";
interrupt-controller;
#interrupt-cells = <1>;
};
pru0_0: pru0@54474000 {
compatible = "ti,am4372-pru";
reg = <0x54474000 0x1000>,
<0x54462000 0x400>,
<0x54462400 0x100>;
reg-names = "iram", "control", "debug";
interrupt-parent = <&pruss0_intc>;
interrupts = <16>, <17>;
interrupt-names = "vring", "kick";
};
pru0_1: pru1@54478000 {
compatible = "ti,am4372-pru";
reg = <0x54478000 0x1000>,
<0x54464000 0x400>,
<0x54464400 0x100>;
reg-names = "iram", "control", "debug";
interrupt-parent = <&pruss0_intc>;
interrupts = <18>, <19>;
interrupt-names = "vring", "kick";
};
};
};
启动只是打印如下错误：
[ 8.453058] prueth pruss1_eth: unable to get pruss handle，
没有出现如下的错误：
[ 11.038885] prueth pruss1_eth: couldn't connect to phy ocp/pruss@54400000/mdio@54432400/ethernet-phy@0
[ 11.038903] prueth pruss1_eth: netdev init ethernet-mii0 failed: -19
[ 11.038910] prueth pruss1_eth: no ethernet-mii1 node
详细的log和设备树文件见附件！
麻烦帮助指导下，非常感谢！
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发表于 2018-12-24 17:42:54
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