u-boot/board/nvidia/jetson-tk1/jetson-tk1.c
Thierry Reding 6e2fca94ff ARM: tegra: Enable PCIe on Jetson TK1
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>
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
2014-12-18 13:19:21 -07:00

81 lines
1.5 KiB
C

/*
* (C) Copyright 2014
* NVIDIA Corporation <www.nvidia.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <netdev.h>
#include <power/as3722.h>
#include <asm/arch/gpio.h>
#include <asm/arch/pinmux.h>
#include "pinmux-config-jetson-tk1.h"
DECLARE_GLOBAL_DATA_PTR;
/*
* Routine: pinmux_init
* Description: Do individual peripheral pinmux configs
*/
void pinmux_init(void)
{
pinmux_set_tristate_input_clamping();
gpio_config_table(jetson_tk1_gpio_inits,
ARRAY_SIZE(jetson_tk1_gpio_inits));
pinmux_config_pingrp_table(jetson_tk1_pingrps,
ARRAY_SIZE(jetson_tk1_pingrps));
pinmux_config_drvgrp_table(jetson_tk1_drvgrps,
ARRAY_SIZE(jetson_tk1_drvgrps));
}
#ifdef CONFIG_PCI_TEGRA
int tegra_pcie_board_init(void)
{
struct udevice *pmic;
int err;
err = as3722_init(&pmic);
if (err) {
error("failed to initialize AS3722 PMIC: %d\n", err);
return err;
}
err = as3722_sd_enable(pmic, 4);
if (err < 0) {
error("failed to enable SD4: %d\n", err);
return err;
}
err = as3722_sd_set_voltage(pmic, 4, 0x24);
if (err < 0) {
error("failed to set SD4 voltage: %d\n", err);
return err;
}
err = as3722_gpio_configure(pmic, 1, AS3722_GPIO_OUTPUT_VDDH |
AS3722_GPIO_INVERT);
if (err < 0) {
error("failed to configure GPIO#1 as output: %d\n", err);
return err;
}
err = as3722_gpio_direction_output(pmic, 2, 1);
if (err < 0) {
error("failed to set GPIO#2 high: %d\n", err);
return err;
}
return 0;
}
int board_eth_init(bd_t *bis)
{
return pci_eth_init(bis);
}
#endif /* PCI */