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/*
* Copyright (c) 2012-2016 Toradex, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/arch-tegra/ap.h>
#include <asm/gpio.h>
#include <asm/io.h>
#include <netdev.h>
#include <power/as3722.h>
#include <asm/arch/gpio.h>
#include <asm/arch/pinmux.h>
#include "pinmux-config-apalis-tk1.h"
#define LAN_RESET_N GPIO_PS2
DECLARE_GLOBAL_DATA_PTR;
int arch_misc_init(void)
{
if (readl(NV_PA_BASE_SRAM + NVBOOTINFOTABLE_BOOTTYPE) ==
NVBOOTTYPE_RECOVERY) {
printf("USB recovery mode, disabled autoboot\n");
setenv("bootdelay", "-1");
}
return 0;
}
int checkboard_fallback(void)
{
printf("Model: Toradex Apalis TK1 2GB\n");
return 0;
}
/*
* Routine: pinmux_init
* Description: Do individual peripheral pinmux configs
*/
void pinmux_init(void)
{
pinmux_clear_tristate_input_clamping();
gpio_config_table(apalis_tk1_gpio_inits,
ARRAY_SIZE(apalis_tk1_gpio_inits));
pinmux_config_pingrp_table(apalis_tk1_pingrps,
ARRAY_SIZE(apalis_tk1_pingrps));
pinmux_config_drvgrp_table(apalis_tk1_drvgrps,
ARRAY_SIZE(apalis_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;
}
/* Reset I210 Gigabit Ethernet Controller */
gpio_request(LAN_RESET_N, "LAN_RESET_N");
gpio_direction_output(LAN_RESET_N, 0);
/*
* Make sure we don't get any back feeding from LAN_WAKE_N resp.
* DEV_OFF_N
*/
gpio_request(GPIO_PO5, "LAN_WAKE_N");
gpio_direction_output(GPIO_PO5, 0);
gpio_request(GPIO_PO6, "LAN_DEV_OFF_N");
gpio_direction_output(GPIO_PO6, 0);
/* Make sure LDO9 and LDO10 are initially enabled @ 0V */
err = as3722_ldo_enable(pmic, 9);
if (err < 0) {
error("failed to enable LDO9: %d\n", err);
return err;
}
err = as3722_ldo_enable(pmic, 10);
if (err < 0) {
error("failed to enable LDO10: %d\n", err);
return err;
}
err = as3722_ldo_set_voltage(pmic, 9, 0x80);
if (err < 0) {
error("failed to set LDO9 voltage: %d\n", err);
return err;
}
err = as3722_ldo_set_voltage(pmic, 10, 0x80);
if (err < 0) {
error("failed to set LDO10 voltage: %d\n", err);
return err;
}
mdelay(100);
/* Make sure controller gets enabled by disabling DEV_OFF_N */
gpio_set_value(GPIO_PO6, 1);
/* Enable LDO9 and LDO10 for +V3.3_ETH on patched prototypes */
err = as3722_ldo_set_voltage(pmic, 9, 0xff);
if (err < 0) {
error("failed to set LDO9 voltage: %d\n", err);
return err;
}
err = as3722_ldo_set_voltage(pmic, 10, 0xff);
if (err < 0) {
error("failed to set LDO10 voltage: %d\n", err);
return err;
}
mdelay(100);
gpio_set_value(LAN_RESET_N, 1);
return 0;
}
int board_eth_init(bd_t *bis)
{
return pci_eth_init(bis);
}
#endif /* CONFIG_PCI_TEGRA */
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