ARM: tegra: Enable PCIe on Cardhu
The PCIe bus on Cardhu is routed to the dock connector. An ethernet NIC is available on the dock over the PCIe bus. Enable the PCIe controller and the network device driver so that the device can boot over the network. Signed-off-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Simon Glass <sjg@chromium.org> Signed-off-by: Tom Warren <twarren@nvidia.com>
This commit is contained in:
Thierry Reding
Tom Warren
parent
a1811bc5b9
commit
5a2c96a0e5
@ -27,6 +27,31 @@
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reg = <0x80000000 0x40000000>;
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};
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pcie-controller@00003000 {
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status = "okay";
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/* AVDD_PEXA and VDD_PEXA inputs are grounded on Cardhu. */
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avdd-pexb-supply = <&ldo1_reg>;
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vdd-pexb-supply = <&ldo1_reg>;
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avdd-pex-pll-supply = <&ldo1_reg>;
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hvdd-pex-supply = <&pex_hvdd_3v3_reg>;
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vddio-pex-ctl-supply = <&sys_3v3_reg>;
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avdd-plle-supply = <&ldo2_reg>;
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pci@1,0 {
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nvidia,num-lanes = <4>;
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};
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pci@2,0 {
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nvidia,num-lanes = <1>;
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};
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pci@3,0 {
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status = "okay";
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nvidia,num-lanes = <1>;
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};
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};
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i2c@7000c000 {
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status = "okay";
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clock-frequency = <100000>;
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@ -50,6 +75,107 @@
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i2c@7000d000 {
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status = "okay";
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clock-frequency = <100000>;
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pmic: tps65911@2d {
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compatible = "ti,tps65911";
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reg = <0x2d>;
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interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
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#interrupt-cells = <2>;
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interrupt-controller;
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ti,system-power-controller;
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#gpio-cells = <2>;
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gpio-controller;
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vcc1-supply = <&vdd_ac_bat_reg>;
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vcc2-supply = <&vdd_ac_bat_reg>;
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vcc3-supply = <&vio_reg>;
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vcc4-supply = <&vdd_5v0_reg>;
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vcc5-supply = <&vdd_ac_bat_reg>;
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vcc6-supply = <&vdd2_reg>;
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vcc7-supply = <&vdd_ac_bat_reg>;
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vccio-supply = <&vdd_ac_bat_reg>;
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regulators {
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vdd1_reg: vdd1 {
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regulator-name = "vddio_ddr_1v2";
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regulator-min-microvolt = <1200000>;
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regulator-max-microvolt = <1200000>;
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regulator-always-on;
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};
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vdd2_reg: vdd2 {
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regulator-name = "vdd_1v5_gen";
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regulator-min-microvolt = <1500000>;
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regulator-max-microvolt = <1500000>;
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regulator-always-on;
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};
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vddctrl_reg: vddctrl {
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regulator-name = "vdd_cpu,vdd_sys";
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regulator-min-microvolt = <1000000>;
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regulator-max-microvolt = <1000000>;
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regulator-always-on;
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};
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vio_reg: vio {
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regulator-name = "vdd_1v8_gen";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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regulator-always-on;
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};
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ldo1_reg: ldo1 {
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regulator-name = "vdd_pexa,vdd_pexb";
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regulator-min-microvolt = <1050000>;
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regulator-max-microvolt = <1050000>;
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};
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ldo2_reg: ldo2 {
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regulator-name = "vdd_sata,avdd_plle";
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regulator-min-microvolt = <1050000>;
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regulator-max-microvolt = <1050000>;
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};
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/* LDO3 is not connected to anything */
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ldo4_reg: ldo4 {
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regulator-name = "vdd_rtc";
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regulator-min-microvolt = <1200000>;
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regulator-max-microvolt = <1200000>;
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regulator-always-on;
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};
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ldo5_reg: ldo5 {
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regulator-name = "vddio_sdmmc,avdd_vdac";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-always-on;
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};
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ldo6_reg: ldo6 {
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regulator-name = "avdd_dsi_csi,pwrdet_mipi";
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regulator-min-microvolt = <1200000>;
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regulator-max-microvolt = <1200000>;
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};
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ldo7_reg: ldo7 {
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regulator-name = "vdd_pllm,x,u,a_p_c_s";
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regulator-min-microvolt = <1200000>;
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regulator-max-microvolt = <1200000>;
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regulator-always-on;
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};
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ldo8_reg: ldo8 {
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regulator-name = "vdd_ddr_hs";
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regulator-min-microvolt = <1000000>;
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regulator-max-microvolt = <1000000>;
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regulator-always-on;
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};
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};
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};
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};
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spi@7000da00 {
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@ -74,4 +200,240 @@
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nvidia,vbus-gpio = <&gpio 236 0>; /* PDD4 */
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status = "okay";
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};
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regulators {
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compatible = "simple-bus";
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#address-cells = <1>;
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#size-cells = <0>;
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vdd_ac_bat_reg: regulator@0 {
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compatible = "regulator-fixed";
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reg = <0>;
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regulator-name = "vdd_ac_bat";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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regulator-always-on;
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};
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cam_1v8_reg: regulator@1 {
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compatible = "regulator-fixed";
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reg = <1>;
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regulator-name = "cam_1v8";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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enable-active-high;
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gpio = <&gpio TEGRA_GPIO(BB, 4) GPIO_ACTIVE_HIGH>;
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vin-supply = <&vio_reg>;
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};
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cp_5v_reg: regulator@2 {
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compatible = "regulator-fixed";
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reg = <2>;
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regulator-name = "cp_5v";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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regulator-boot-on;
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regulator-always-on;
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enable-active-high;
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gpio = <&pmic 0 GPIO_ACTIVE_HIGH>;
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};
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emmc_3v3_reg: regulator@3 {
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compatible = "regulator-fixed";
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reg = <3>;
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regulator-name = "emmc_3v3";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-always-on;
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regulator-boot-on;
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enable-active-high;
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gpio = <&gpio TEGRA_GPIO(D, 1) GPIO_ACTIVE_HIGH>;
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vin-supply = <&sys_3v3_reg>;
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};
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modem_3v3_reg: regulator@4 {
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compatible = "regulator-fixed";
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reg = <4>;
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regulator-name = "modem_3v3";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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enable-active-high;
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gpio = <&gpio TEGRA_GPIO(D, 6) GPIO_ACTIVE_HIGH>;
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};
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pex_hvdd_3v3_reg: regulator@5 {
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compatible = "regulator-fixed";
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reg = <5>;
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regulator-name = "pex_hvdd_3v3";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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enable-active-high;
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gpio = <&gpio TEGRA_GPIO(L, 7) GPIO_ACTIVE_HIGH>;
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vin-supply = <&sys_3v3_reg>;
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};
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vdd_cam1_ldo_reg: regulator@6 {
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compatible = "regulator-fixed";
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reg = <6>;
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regulator-name = "vdd_cam1_ldo";
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regulator-min-microvolt = <2800000>;
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regulator-max-microvolt = <2800000>;
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enable-active-high;
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gpio = <&gpio TEGRA_GPIO(R, 6) GPIO_ACTIVE_HIGH>;
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vin-supply = <&sys_3v3_reg>;
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};
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vdd_cam2_ldo_reg: regulator@7 {
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compatible = "regulator-fixed";
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reg = <7>;
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regulator-name = "vdd_cam2_ldo";
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regulator-min-microvolt = <2800000>;
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regulator-max-microvolt = <2800000>;
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enable-active-high;
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gpio = <&gpio TEGRA_GPIO(R, 7) GPIO_ACTIVE_HIGH>;
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vin-supply = <&sys_3v3_reg>;
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};
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vdd_cam3_ldo_reg: regulator@8 {
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compatible = "regulator-fixed";
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reg = <8>;
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regulator-name = "vdd_cam3_ldo";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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enable-active-high;
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gpio = <&gpio TEGRA_GPIO(S, 0) GPIO_ACTIVE_HIGH>;
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vin-supply = <&sys_3v3_reg>;
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};
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vdd_com_reg: regulator@9 {
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compatible = "regulator-fixed";
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reg = <9>;
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regulator-name = "vdd_com";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-always-on;
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regulator-boot-on;
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enable-active-high;
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gpio = <&gpio TEGRA_GPIO(D, 0) GPIO_ACTIVE_HIGH>;
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vin-supply = <&sys_3v3_reg>;
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};
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vdd_fuse_3v3_reg: regulator@10 {
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compatible = "regulator-fixed";
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reg = <10>;
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regulator-name = "vdd_fuse_3v3";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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enable-active-high;
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gpio = <&gpio TEGRA_GPIO(L, 6) GPIO_ACTIVE_HIGH>;
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vin-supply = <&sys_3v3_reg>;
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};
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vdd_pnl1_reg: regulator@11 {
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compatible = "regulator-fixed";
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reg = <11>;
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regulator-name = "vdd_pnl1";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-always-on;
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regulator-boot-on;
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enable-active-high;
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gpio = <&gpio TEGRA_GPIO(L, 4) GPIO_ACTIVE_HIGH>;
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vin-supply = <&sys_3v3_reg>;
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};
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vdd_vid_reg: regulator@12 {
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compatible = "regulator-fixed";
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reg = <12>;
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regulator-name = "vddio_vid";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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enable-active-high;
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gpio = <&gpio TEGRA_GPIO(T, 0) GPIO_ACTIVE_HIGH>;
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gpio-open-drain;
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vin-supply = <&vdd_5v0_reg>;
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};
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ddr_reg: regulator@100 {
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compatible = "regulator-fixed";
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regulator-name = "ddr";
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reg = <100>;
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regulator-min-microvolt = <1500000>;
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regulator-max-microvolt = <1500000>;
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regulator-always-on;
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regulator-boot-on;
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enable-active-high;
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gpio = <&pmic 7 GPIO_ACTIVE_HIGH>;
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};
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sys_3v3_reg: regulator@101 {
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compatible = "regulator-fixed";
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reg = <101>;
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regulator-name = "sys_3v3";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-always-on;
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regulator-boot-on;
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enable-active-high;
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gpio = <&pmic 6 GPIO_ACTIVE_HIGH>;
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};
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usb1_vbus_reg: regulator@102 {
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compatible = "regulator-fixed";
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reg = <102>;
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regulator-name = "usb1_vbus";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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enable-active-high;
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gpio = <&gpio TEGRA_GPIO(DD, 6) GPIO_ACTIVE_HIGH>;
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gpio-open-drain;
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vin-supply = <&vdd_5v0_reg>;
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};
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usb3_vbus_reg: regulator@103 {
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compatible = "regulator-fixed";
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reg = <103>;
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regulator-name = "usb3_vbus";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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enable-active-high;
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gpio = <&gpio TEGRA_GPIO(DD, 4) GPIO_ACTIVE_HIGH>;
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gpio-open-drain;
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vin-supply = <&vdd_5v0_reg>;
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};
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vdd_5v0_reg: regulator@104 {
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compatible = "regulator-fixed";
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reg = <104>;
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regulator-name = "5v0";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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enable-active-high;
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gpio = <&pmic 8 GPIO_ACTIVE_HIGH>;
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};
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vdd_bl_reg: regulator@105 {
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compatible = "regulator-fixed";
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reg = <105>;
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regulator-name = "vdd_bl";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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regulator-always-on;
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regulator-boot-on;
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enable-active-high;
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gpio = <&gpio TEGRA_GPIO(DD, 2) GPIO_ACTIVE_HIGH>;
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};
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vdd_bl2_reg: regulator@106 {
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compatible = "regulator-fixed";
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reg = <106>;
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regulator-name = "vdd_bl2";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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regulator-always-on;
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regulator-boot-on;
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enable-active-high;
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gpio = <&gpio TEGRA_GPIO(DD, 0) GPIO_ACTIVE_HIGH>;
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};
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};
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};
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@ -9,8 +9,11 @@
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#include <dm.h>
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#include <asm/arch/pinmux.h>
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#include <asm/arch/gp_padctrl.h>
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#include <asm/arch/gpio.h>
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#include <asm/gpio.h>
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#include "pinmux-config-cardhu.h"
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#include <i2c.h>
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#include <netdev.h>
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#define PMU_I2C_ADDRESS 0x2D
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#define MAX_I2C_RETRY 3
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@ -83,3 +86,52 @@ void pin_mux_mmc(void)
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board_sdmmc_voltage_init();
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}
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#endif /* MMC */
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#ifdef CONFIG_PCI_TEGRA
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int tegra_pcie_board_init(void)
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{
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struct udevice *dev;
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u8 addr, data[1];
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int err;
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err = i2c_get_chip_for_busnum(0, PMU_I2C_ADDRESS, &dev);
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if (err) {
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debug("failed to find PMU bus\n");
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return err;
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}
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/* TPS659110: LDO1_REG = 1.05V, ACTIVE */
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data[0] = 0x15;
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addr = 0x30;
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err = i2c_write(dev, addr, data, 1);
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if (err) {
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debug("failed to set VDD supply\n");
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return err;
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}
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/* GPIO: PEX = 3.3V */
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err = gpio_request(GPIO_PL7, "PEX");
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if (err < 0)
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return err;
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gpio_direction_output(GPIO_PL7, 1);
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/* TPS659110: LDO2_REG = 1.05V, ACTIVE */
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data[0] = 0x15;
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addr = 0x31;
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err = i2c_write(dev, addr, data, 1);
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if (err) {
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debug("failed to set AVDD supply\n");
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return err;
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}
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return 0;
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}
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int board_eth_init(bd_t *bis)
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{
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return pci_eth_init(bis);
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}
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#endif /* PCI */
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@ -78,6 +78,16 @@
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#define CONFIG_USB_HOST_ETHER
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#define CONFIG_USB_ETHER_ASIX
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/* PCI host support */
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#define CONFIG_PCI
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#define CONFIG_PCI_TEGRA
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#define CONFIG_PCI_PNP
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#define CONFIG_CMD_PCI
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#define CONFIG_CMD_PCI_ENUM
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/* PCI networking support */
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#define CONFIG_RTL8169
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/* General networking support */
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#define CONFIG_CMD_NET
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#define CONFIG_CMD_DHCP
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