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Tom Warrene1495582011-04-14 12:09:41 +00001/*
2 * (C) Copyright 2010,2011
3 * NVIDIA Corporation <www.nvidia.com>
4 *
Wolfgang Denkd79de1d2013-07-08 09:37:19 +02005 * SPDX-License-Identifier: GPL-2.0+
Tom Warrene1495582011-04-14 12:09:41 +00006 */
7
8#include <common.h>
9#include <asm/io.h>
Tom Warrenab371962012-09-19 15:50:56 -070010#include <asm/arch/tegra.h>
Jeroen Hofstee93dfae72014-10-08 22:57:46 +020011#include <asm/arch-tegra/board.h>
Simon Glassea160b12012-01-11 12:42:28 +000012#include <asm/arch/clock.h>
13#include <asm/arch/funcmux.h>
Stephen Warren63315d92012-10-22 06:19:36 +000014#include <asm/arch/gpio.h>
Stephen Warrenf8eac0d2011-10-31 06:51:35 +000015#include <asm/arch/pinmux.h>
Tom Warren97bf58f2011-09-21 12:40:07 +000016#include <asm/gpio.h>
Tom Warrene1495582011-04-14 12:09:41 +000017
Simon Glass704e60d2011-11-05 04:46:51 +000018/* TODO: Remove this code when the SPI switch is working */
Allen Martine0158b82013-03-16 18:58:02 +000019#if (CONFIG_MACH_TYPE != MACH_TYPE_VENTANA)
Stephen Warren63315d92012-10-22 06:19:36 +000020void gpio_early_init_uart(void)
Tom Warrene1495582011-04-14 12:09:41 +000021{
Tom Warrene1495582011-04-14 12:09:41 +000022 /* Enable UART via GPIO_PI3 (port 8, bit 3) so serial console works */
Stephen Warren7f20bb22016-05-12 12:07:39 -060023 gpio_request(TEGRA_GPIO(I, 3), "uart_en");
24 gpio_direction_output(TEGRA_GPIO(I, 3), 0);
Tom Warrene1495582011-04-14 12:09:41 +000025}
Simon Glass704e60d2011-11-05 04:46:51 +000026#endif
Stephen Warrenffac82e2011-10-31 06:51:37 +000027
Tom Warren8c57e962012-05-22 11:44:48 +000028#ifdef CONFIG_TEGRA_MMC
Tom Warren97bf58f2011-09-21 12:40:07 +000029/*
Stephen Warrenf8eac0d2011-10-31 06:51:35 +000030 * Routine: pin_mux_mmc
31 * Description: setup the pin muxes/tristate values for the SDMMC(s)
32 */
Tom Warren9745cf82013-02-21 12:31:30 +000033void pin_mux_mmc(void)
Stephen Warrenf8eac0d2011-10-31 06:51:35 +000034{
Simon Glassea160b12012-01-11 12:42:28 +000035 funcmux_select(PERIPH_ID_SDMMC4, FUNCMUX_SDMMC4_ATB_GMA_GME_8_BIT);
36 funcmux_select(PERIPH_ID_SDMMC3, FUNCMUX_SDMMC3_SDB_4BIT);
Stephen Warrenf8eac0d2011-10-31 06:51:35 +000037
38 /* For power GPIO PI6 */
Stephen Warrenf27f4e82014-03-21 12:28:58 -060039 pinmux_tristate_disable(PMUX_PINGRP_ATA);
Stephen Warrenf8eac0d2011-10-31 06:51:35 +000040 /* For CD GPIO PI5 */
Stephen Warrenf27f4e82014-03-21 12:28:58 -060041 pinmux_tristate_disable(PMUX_PINGRP_ATC);
Stephen Warrenf8eac0d2011-10-31 06:51:35 +000042}
Tom Warren97bf58f2011-09-21 12:40:07 +000043#endif
Simon Glass5d73a8d2012-02-27 10:52:50 +000044
45void pin_mux_usb(void)
46{
Stephen Warrenf0231872016-09-15 12:19:39 -060047 /* For USB0's GPIO PD0. For now, since we have no pinmux in fdt */
Stephen Warrenf27f4e82014-03-21 12:28:58 -060048 pinmux_tristate_disable(PMUX_PINGRP_SLXK);
Stephen Warrenf0231872016-09-15 12:19:39 -060049 /* For USB1's ULPI signals */
50 funcmux_select(PERIPH_ID_USB2, FUNCMUX_USB2_ULPI);
51 pinmux_set_func(PMUX_PINGRP_CDEV2, PMUX_FUNC_PLLP_OUT4);
52 pinmux_tristate_disable(PMUX_PINGRP_CDEV2);
53 /* USB1 PHY reset GPIO */
54 pinmux_tristate_disable(PMUX_PINGRP_UAC);
Simon Glass5d73a8d2012-02-27 10:52:50 +000055}