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ARM: tegra: Enable PCIe on TrimSlice 

The TrimSlice has an ethernet NIC connected to the PCIe bus. Enable the
PCIe controller and the network 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>
utp
Thierry Reding 2014-12-09 22:25:14 -07:00 committed by Tom Warren
parent 65d2465d5d
commit 7dd8738f08
3 changed files with 87 additions and 0 deletions
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69
arch/arm/dts/tegra20-trimslice.dts
View File

@ -47,6 +47,20 @@
status = "disabled";
};
pcie-controller@80003000 {
status = "okay";
avdd-pex-supply = <&pci_vdd_reg>;
vdd-pex-supply = <&pci_vdd_reg>;
avdd-pex-pll-supply = <&pci_vdd_reg>;
avdd-plle-supply = <&pci_vdd_reg>;
vddio-pex-clk-supply = <&pci_clk_reg>;
pci@1,0 {
status = "okay";
};
};
usb@c5000000 {
nvidia,vbus-gpio = <&gpio 170 0>; /* PV2 */
};
@ -66,4 +80,59 @@
wp-gpios = <&gpio 122 0>; /* gpio PP2 */
bus-width = <4>;
};
regulators {
compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <0>;
hdmi_vdd_reg: regulator@0 {
compatible = "regulator-fixed";
reg = <0>;
regulator-name = "avdd_hdmi";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
hdmi_pll_reg: regulator@1 {
compatible = "regulator-fixed";
reg = <1>;
regulator-name = "avdd_hdmi_pll";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
};
vbus_reg: regulator@2 {
compatible = "regulator-fixed";
reg = <2>;
regulator-name = "usb1_vbus";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
enable-active-high;
gpio = <&gpio TEGRA_GPIO(V, 2) 0>;
regulator-always-on;
regulator-boot-on;
};
pci_clk_reg: regulator@3 {
compatible = "regulator-fixed";
reg = <3>;
regulator-name = "pci_clk";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
pci_vdd_reg: regulator@4 {
compatible = "regulator-fixed";
reg = <4>;
regulator-name = "pci_vdd";
regulator-min-microvolt = <1050000>;
regulator-max-microvolt = <1050000>;
regulator-always-on;
};
};
};

8
board/compulab/trimslice/trimslice.c
View File

@ -13,6 +13,7 @@
#include <asm/arch/pinmux.h>
#include <asm/gpio.h>
#include <i2c.h>
#include <netdev.h>
void pin_mux_usb(void)
{
@ -40,3 +41,10 @@ void pin_mux_mmc(void)
/* For CD GPIO PP1 */
pinmux_tristate_disable(PMUX_PINGRP_DAP3);
}
#ifdef CONFIG_PCI
int board_eth_init(bd_t *bis)
{
return pci_eth_init(bis);
}
#endif

10
include/configs/trimslice.h
View File

@ -60,6 +60,16 @@
#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