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/*
* Copyright (C) 2012 Lucas Stach
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/arch/clock.h>
#include <asm/arch/funcmux.h>
#include <asm/arch/pinmux.h>
#include <asm/arch-tegra/ap.h>
#include <asm/arch-tegra/board.h>
#include <asm/arch-tegra/tegra.h>
#include <asm/gpio.h>
#include <asm/io.h>
int arch_misc_init(void)
{
if (readl(NV_PA_BASE_SRAM + NVBOOTINFOTABLE_BOOTTYPE) ==
NVBOOTTYPE_RECOVERY)
printf("USB recovery mode\n");
return 0;
}
#ifdef CONFIG_TEGRA_MMC
/*
* Routine: pin_mux_mmc
* Description: setup the pin muxes/tristate values for the SDMMC(s)
*/
void pin_mux_mmc(void)
{
funcmux_select(PERIPH_ID_SDMMC4, FUNCMUX_SDMMC4_ATB_GMA_4_BIT);
pinmux_tristate_disable(PMUX_PINGRP_GMB);
}
#endif
#ifdef CONFIG_TEGRA_NAND
void pin_mux_nand(void)
{
funcmux_select(PERIPH_ID_NDFLASH, FUNCMUX_NDFLASH_KBC_8_BIT);
/*
* configure pingroup ATC to something unrelated to
* avoid ATC overriding KBC
*/
pinmux_set_func(PMUX_PINGRP_ATC, PMUX_FUNC_GMI);
}
#endif
#ifdef CONFIG_USB_EHCI_TEGRA
void pin_mux_usb(void)
{
/* module internal USB bus to connect ethernet chipset */
funcmux_select(PERIPH_ID_USB2, FUNCMUX_USB2_ULPI);
/* ULPI reference clock output */
pinmux_set_func(PMUX_PINGRP_CDEV2, PMUX_FUNC_PLLP_OUT4);
pinmux_tristate_disable(PMUX_PINGRP_CDEV2);
/* PHY reset GPIO */
pinmux_tristate_disable(PMUX_PINGRP_UAC);
/* VBus GPIO */
pinmux_tristate_disable(PMUX_PINGRP_DTE);
/* Reset ASIX using LAN_RESET */
gpio_request(GPIO_PV4, "LAN_RESET");
gpio_direction_output(GPIO_PV4, 0);
pinmux_tristate_disable(PMUX_PINGRP_GPV);
udelay(5);
gpio_set_value(GPIO_PV4, 1);
/* USBH_PEN: USB 1 aka Tegra USB port 3 VBus */
pinmux_tristate_disable(PMUX_PINGRP_SPIG);
}
#endif
#ifdef CONFIG_VIDEO_TEGRA
/*
* Routine: pin_mux_display
* Description: setup the pin muxes/tristate values for the LCD interface)
*/
void pin_mux_display(void)
{
/*
* Manually untristate BL_ON (PT4 - SODIMM 71) as specified through
* device-tree
*/
pinmux_tristate_disable(PMUX_PINGRP_DTA);
pinmux_set_func(PMUX_PINGRP_SDC, PMUX_FUNC_PWM);
pinmux_tristate_disable(PMUX_PINGRP_SDC);
}
#endif
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