From: Thierry Reding treding@nvidia.com
The Jetson TK1 has an ethernet NIC connected to the PCIe bus and routes the second root port to a miniPCIe slot. Enable the PCIe controller and the network driver to allow the device to boot over the network.
Signed-off-by: Thierry Reding treding@nvidia.com --- arch/arm/dts/tegra124-jetson-tk1.dts | 347 +++++++++++++++++++++++++++++++++++ board/nvidia/jetson-tk1/jetson-tk1.c | 218 ++++++++++++++++++++++ include/configs/jetson-tk1.h | 10 + 3 files changed, 575 insertions(+)
diff --git a/arch/arm/dts/tegra124-jetson-tk1.dts b/arch/arm/dts/tegra124-jetson-tk1.dts index f61736f0ef0f..f594644de74e 100644 --- a/arch/arm/dts/tegra124-jetson-tk1.dts +++ b/arch/arm/dts/tegra124-jetson-tk1.dts @@ -26,6 +26,26 @@ reg = <0x80000000 0x80000000>; };
+ pcie-controller@01003000 { + status = "okay"; + + avddio-pex-supply = <&vdd_1v05_run>; + vddio-pex-supply = <&vdd_1v05_run>; + avdd-pex-pll-supply = <&vdd_1v05_run>; + hvdd-pex-supply = <&vdd_3v3_lp0>; + hvdd-pex-plle-supply = <&vdd_3v3_lp0>; + vddio-pex-ctl-supply = <&vdd_3v3_lp0>; + avdd-plle-supply = <&avdd_1v05_run>; + + pci@1,0 { + status = "okay"; + }; + + pci@2,0 { + status = "okay"; + }; + }; + i2c@7000c000 { status = "okay"; clock-frequency = <100000>; @@ -46,9 +66,195 @@ clock-frequency = <100000>; };
+ /* Expansion PWR_I2C_*, on-board components */ i2c@7000d000 { status = "okay"; clock-frequency = <400000>; + + pmic: pmic@40 { + compatible = "ams,as3722"; + reg = <0x40>; + interrupts = <0 86 IRQ_TYPE_LEVEL_HIGH>; + + ams,system-power-controller; + + #interrupt-cells = <2>; + interrupt-controller; + + gpio-controller; + #gpio-cells = <2>; + + pinctrl-names = "default"; + pinctrl-0 = <&as3722_default>; + + as3722_default: pinmux { + gpio0 { + pins = "gpio0"; + function = "gpio"; + bias-pull-down; + }; + + gpio1_2_4_7 { + pins = "gpio1", "gpio2", "gpio4", "gpio7"; + function = "gpio"; + bias-pull-up; + }; + + gpio3_5_6 { + pins = "gpio3", "gpio5", "gpio6"; + bias-high-impedance; + }; + }; + + regulators { + vsup-sd2-supply = <&vdd_5v0_sys>; + vsup-sd3-supply = <&vdd_5v0_sys>; + vsup-sd4-supply = <&vdd_5v0_sys>; + vsup-sd5-supply = <&vdd_5v0_sys>; + vin-ldo0-supply = <&vdd_1v35_lp0>; + vin-ldo1-6-supply = <&vdd_3v3_run>; + vin-ldo2-5-7-supply = <&vddio_1v8>; + vin-ldo3-4-supply = <&vdd_3v3_sys>; + vin-ldo9-10-supply = <&vdd_5v0_sys>; + vin-ldo11-supply = <&vdd_3v3_run>; + + sd0 { + regulator-name = "+VDD_CPU_AP"; + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <1400000>; + regulator-min-microamp = <3500000>; + regulator-max-microamp = <3500000>; + regulator-always-on; + regulator-boot-on; + ams,ext-control = <2>; + }; + + sd1 { + regulator-name = "+VDD_CORE"; + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <1350000>; + regulator-min-microamp = <2500000>; + regulator-max-microamp = <2500000>; + regulator-always-on; + regulator-boot-on; + ams,ext-control = <1>; + }; + + vdd_1v35_lp0: sd2 { + regulator-name = "+1.35V_LP0(sd2)"; + regulator-min-microvolt = <1350000>; + regulator-max-microvolt = <1350000>; + regulator-always-on; + regulator-boot-on; + }; + + sd3 { + regulator-name = "+1.35V_LP0(sd3)"; + regulator-min-microvolt = <1350000>; + regulator-max-microvolt = <1350000>; + regulator-always-on; + regulator-boot-on; + }; + + vdd_1v05_run: sd4 { + regulator-name = "+1.05V_RUN"; + regulator-min-microvolt = <1050000>; + regulator-max-microvolt = <1050000>; + }; + + vddio_1v8: sd5 { + regulator-name = "+1.8V_VDDIO"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-boot-on; + regulator-always-on; + }; + + vdd_gpu: sd6 { + regulator-name = "+VDD_GPU_AP"; + regulator-min-microvolt = <650000>; + regulator-max-microvolt = <1200000>; + regulator-min-microamp = <3500000>; + regulator-max-microamp = <3500000>; + regulator-boot-on; + regulator-always-on; + }; + + avdd_1v05_run: ldo0 { + regulator-name = "+1.05V_RUN_AVDD"; + regulator-min-microvolt = <1050000>; + regulator-max-microvolt = <1050000>; + regulator-boot-on; + regulator-always-on; + ams,ext-control = <1>; + }; + + ldo1 { + regulator-name = "+1.8V_RUN_CAM"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + }; + + ldo2 { + regulator-name = "+1.2V_GEN_AVDD"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1200000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo3 { + regulator-name = "+1.05V_LP0_VDD_RTC"; + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <1000000>; + regulator-boot-on; + regulator-always-on; + ams,enable-tracking; + }; + + ldo4 { + regulator-name = "+2.8V_RUN_CAM"; + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <2800000>; + }; + + ldo5 { + regulator-name = "+1.2V_RUN_CAM_FRONT"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1200000>; + }; + + vddio_sdmmc3: ldo6 { + regulator-name = "+VDDIO_SDMMC3"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + }; + + ldo7 { + regulator-name = "+1.05V_RUN_CAM_REAR"; + regulator-min-microvolt = <1050000>; + regulator-max-microvolt = <1050000>; + }; + + ldo9 { + regulator-name = "+3.3V_RUN_TOUCH"; + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <2800000>; + }; + + ldo10 { + regulator-name = "+2.8V_RUN_CAM_AF"; + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <2800000>; + }; + + ldo11 { + regulator-name = "+1.8V_RUN_VPP_FUSE"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + }; + }; + }; };
i2c@7000d100 { @@ -114,4 +320,145 @@ status = "okay"; nvidia,vbus-gpio = <&gpio 109 0>; /* gpio PN5, USB_VBUS_EN1 */ }; + + regulators { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <0>; + + vdd_mux: regulator@0 { + compatible = "regulator-fixed"; + reg = <0>; + regulator-name = "+VDD_MUX"; + regulator-min-microvolt = <12000000>; + regulator-max-microvolt = <12000000>; + regulator-always-on; + regulator-boot-on; + }; + + vdd_5v0_sys: regulator@1 { + compatible = "regulator-fixed"; + reg = <1>; + regulator-name = "+5V_SYS"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + regulator-always-on; + regulator-boot-on; + vin-supply = <&vdd_mux>; + }; + + vdd_3v3_sys: regulator@2 { + compatible = "regulator-fixed"; + reg = <2>; + regulator-name = "+3.3V_SYS"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + regulator-boot-on; + vin-supply = <&vdd_mux>; + }; + + vdd_3v3_run: regulator@3 { + compatible = "regulator-fixed"; + reg = <3>; + regulator-name = "+3.3V_RUN"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + regulator-boot-on; + gpio = <&pmic 1 GPIO_ACTIVE_HIGH>; + enable-active-high; + vin-supply = <&vdd_3v3_sys>; + }; + + vdd_3v3_hdmi: regulator@4 { + compatible = "regulator-fixed"; + reg = <4>; + regulator-name = "+3.3V_AVDD_HDMI_AP_GATED"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + vin-supply = <&vdd_3v3_run>; + }; + + vdd_usb1_vbus: regulator@7 { + compatible = "regulator-fixed"; + reg = <7>; + regulator-name = "+USB0_VBUS_SW"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + gpio = <&gpio TEGRA_GPIO(N, 4) GPIO_ACTIVE_HIGH>; + enable-active-high; + gpio-open-drain; + vin-supply = <&vdd_5v0_sys>; + }; + + vdd_usb3_vbus: regulator@8 { + compatible = "regulator-fixed"; + reg = <8>; + regulator-name = "+5V_USB_HS"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + gpio = <&gpio TEGRA_GPIO(N, 5) GPIO_ACTIVE_HIGH>; + enable-active-high; + gpio-open-drain; + vin-supply = <&vdd_5v0_sys>; + }; + + vdd_3v3_lp0: regulator@10 { + compatible = "regulator-fixed"; + reg = <10>; + regulator-name = "+3.3V_LP0"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + regulator-boot-on; + gpio = <&pmic 2 GPIO_ACTIVE_HIGH>; + enable-active-high; + vin-supply = <&vdd_3v3_sys>; + }; + + vdd_hdmi_pll: regulator@11 { + compatible = "regulator-fixed"; + reg = <11>; + regulator-name = "+1.05V_RUN_AVDD_HDMI_PLL"; + regulator-min-microvolt = <1050000>; + regulator-max-microvolt = <1050000>; + gpio = <&gpio TEGRA_GPIO(H, 7) GPIO_ACTIVE_LOW>; + vin-supply = <&vdd_1v05_run>; + }; + + vdd_5v0_hdmi: regulator@12 { + compatible = "regulator-fixed"; + reg = <12>; + regulator-name = "+5V_HDMI_CON"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + gpio = <&gpio TEGRA_GPIO(K, 6) GPIO_ACTIVE_HIGH>; + enable-active-high; + vin-supply = <&vdd_5v0_sys>; + }; + + /* Molex power connector */ + vdd_5v0_sata: regulator@13 { + compatible = "regulator-fixed"; + reg = <13>; + regulator-name = "+5V_SATA"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + gpio = <&gpio TEGRA_GPIO(EE, 2) GPIO_ACTIVE_HIGH>; + enable-active-high; + vin-supply = <&vdd_5v0_sys>; + }; + + vdd_12v0_sata: regulator@14 { + compatible = "regulator-fixed"; + reg = <14>; + regulator-name = "+12V_SATA"; + regulator-min-microvolt = <12000000>; + regulator-max-microvolt = <12000000>; + gpio = <&gpio TEGRA_GPIO(EE, 2) GPIO_ACTIVE_HIGH>; + enable-active-high; + vin-supply = <&vdd_mux>; + }; + }; }; diff --git a/board/nvidia/jetson-tk1/jetson-tk1.c b/board/nvidia/jetson-tk1/jetson-tk1.c index 5d37718f3b89..c1deaa11d63e 100644 --- a/board/nvidia/jetson-tk1/jetson-tk1.c +++ b/board/nvidia/jetson-tk1/jetson-tk1.c @@ -6,9 +6,25 @@ */
#include <common.h> +#include <errno.h> #include <asm/arch/gpio.h> #include <asm/arch/pinmux.h> #include "pinmux-config-jetson-tk1.h" +#include <i2c.h> +#include <netdev.h> + +#define PMU_I2C_ADDRESS 0x40 +#define AS3722_DEVICE_ID 0x0c + +#define AS3722_SD_VOLTAGE(n) (0x00 + (n)) +#define AS3722_GPIO_CONTROL(n) (0x08 + (n)) +#define AS3722_GPIO_CONTROL_MODE_OUTPUT_VDDH (1 << 0) +#define AS3722_GPIO_CONTROL_MODE_OUTPUT_VDDL (7 << 0) +#define AS3722_GPIO_CONTROL_INVERT (1 << 7) +#define AS3722_GPIO_SIGNAL_OUT 0x20 +#define AS3722_SD_CONTROL 0x4d +#define AS3722_ASIC_ID1 0x90 +#define AS3722_ASIC_ID2 0x91
/* * Routine: pinmux_init @@ -27,3 +43,205 @@ void pinmux_init(void) pinmux_config_drvgrp_table(jetson_tk1_drvgrps, ARRAY_SIZE(jetson_tk1_drvgrps)); } + +#ifdef CONFIG_PCI_TEGRA +static int as3722_read(u8 reg, u8 *value) +{ + int err; + + err = i2c_read(PMU_I2C_ADDRESS, reg, 1, value, 1); + if (err < 0) + return err; + + return 0; +} + +static int as3722_write(u8 reg, u8 value) +{ + int err; + + err = i2c_write(PMU_I2C_ADDRESS, reg, 1, &value, 1); + if (err < 0) + return err; + + return 0; +} + +static int as3722_read_id(u8 *id, u8 *revision) +{ + int err; + + err = as3722_read(AS3722_ASIC_ID1, id); + if (err) { + error("as3722: failed to read ID1 register: %d\n", err); + return err; + } + + err = as3722_read(AS3722_ASIC_ID2, revision); + if (err) { + error("as3722: failed to read ID2 register: %d\n", err); + return err; + } + + return 0; +} + +static int as3722_sd_enable(u8 sd) +{ + u8 value; + int err; + + err = as3722_read(AS3722_SD_CONTROL, &value); + if (err) { + error("as3722: failed to read SD control register: %d\n", err); + return err; + } + + value |= 1 << sd; + + err = as3722_write(AS3722_SD_CONTROL, value); + if (err < 0) { + error("as3722: failed to write SD control register: %d\n", err); + return err; + } + + return 0; +} + +static int as3722_sd_set_voltage(u8 sd, u8 value) +{ + int err; + + if (sd > 6) + return -EINVAL; + + err = as3722_write(AS3722_SD_VOLTAGE(sd), value); + if (err < 0) { + error("as3722: failed to write SD%u voltage register: %d\n", sd, err); + return err; + } + + return 0; +} + +static int as3722_gpio_set(u8 gpio, u8 level) +{ + u8 value; + int err; + + if (gpio > 7) + return -EINVAL; + + err = as3722_read(AS3722_GPIO_SIGNAL_OUT, &value); + if (err < 0) { + error("as3722: failed to read GPIO signal out register: %d\n", + err); + return err; + } + + if (level == 0) + value &= ~(1 << gpio); + else + value |= 1 << gpio; + + err = as3722_write(AS3722_GPIO_SIGNAL_OUT, value); + if (err) { + error("as3722: failed to set GPIO#%u %s: %d\n", gpio, + (level == 0) ? "low" : "high", err); + return err; + } + + return 0; +} + +static int as3722_gpio_direction_output(u8 gpio, u8 level) +{ + u8 value; + int err; + + if (gpio > 7) + return -EINVAL; + + if (level == 0) + value = AS3722_GPIO_CONTROL_MODE_OUTPUT_VDDL; + else + value = AS3722_GPIO_CONTROL_MODE_OUTPUT_VDDH; + + err = as3722_write(AS3722_GPIO_CONTROL(gpio), value); + if (err) { + error("as3722: failed to configure GPIO#%u as output: %d\n", + gpio, err); + return err; + } + + err = as3722_gpio_set(gpio, level); + if (err < 0) { + error("as3722: failed to set GPIO#%u high: %d\n", gpio, err); + return err; + } + + return 0; +} + +int tegra_pcie_board_init(void) +{ + u8 id, revision, value; + unsigned int old_bus; + int err; + + old_bus = i2c_get_bus_num(); + + err = i2c_set_bus_num(0); + if (err) { + error("failed to set I2C bus\n"); + return err; + } + + err = as3722_read_id(&id, &revision); + if (err < 0) { + error("as3722: failed to read ID: %d\n", err); + return err; + } + + if (id != AS3722_DEVICE_ID) { + error("as3722: PMIC is not an AS3722\n"); + return -ENODEV; + } + + err = as3722_sd_enable(4); + if (err < 0) { + error("as3722: failed to enable SD4: %d\n", err); + return err; + } + + err = as3722_sd_set_voltage(4, 0x24); + if (err < 0) { + error("as3722: failed to set SD4 voltage: %d\n", err); + return err; + } + + value = AS3722_GPIO_CONTROL_MODE_OUTPUT_VDDH | + AS3722_GPIO_CONTROL_INVERT; + + err = as3722_write(AS3722_GPIO_CONTROL(1), value); + if (err) { + error("as3722: failed to configure GPIO#1 as output: %d\n", err); + return err; + } + + err = as3722_gpio_direction_output(2, 1); + if (err < 0) { + error("as3722: failed to set GPIO#2 high: %d\n", err); + return err; + } + + i2c_set_bus_num(old_bus); + + return 0; +} + +int board_eth_init(bd_t *bis) +{ + return pci_eth_init(bis); +} +#endif /* PCI */ diff --git a/include/configs/jetson-tk1.h b/include/configs/jetson-tk1.h index 0b9e5b699fa6..b0393509681c 100644 --- a/include/configs/jetson-tk1.h +++ b/include/configs/jetson-tk1.h @@ -71,6 +71,16 @@ #define CONFIG_USB_HOST_ETHER #define CONFIG_USB_ETHER_ASIX
+/* PCI host support */ +#define CONFIG_PCI +#define CONFIG_PCI_TEGRA +#define CONFIG_PCI_PNP +#define CONFIG_CMD_PCI +#define CONFIG_CMD_PCI_ENUM + +/* PCI networking support */ +#define CONFIG_RTL8169 + /* General networking support */ #define CONFIG_CMD_NET #define CONFIG_CMD_DHCP