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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>
Simon Glassea160b12012-01-11 12:42:28 +000011#include <asm/arch/clock.h>
12#include <asm/arch/funcmux.h>
Stephen Warren63315d92012-10-22 06:19:36 +000013#include <asm/arch/gpio.h>
Stephen Warrenf8eac0d2011-10-31 06:51:35 +000014#include <asm/arch/pinmux.h>
Tom Warren97bf58f2011-09-21 12:40:07 +000015#include <asm/gpio.h>
Tom Warrene1495582011-04-14 12:09:41 +000016
Simon Glass704e60d2011-11-05 04:46:51 +000017/* TODO: Remove this code when the SPI switch is working */
Allen Martine0158b82013-03-16 18:58:02 +000018#if (CONFIG_MACH_TYPE != MACH_TYPE_VENTANA)
Stephen Warren63315d92012-10-22 06:19:36 +000019void gpio_early_init_uart(void)
Tom Warrene1495582011-04-14 12:09:41 +000020{
Tom Warrene1495582011-04-14 12:09:41 +000021 /* Enable UART via GPIO_PI3 (port 8, bit 3) so serial console works */
Stephen Warren63315d92012-10-22 06:19:36 +000022#ifndef CONFIG_SPL_BUILD
Stephen Warrenedc513f2011-10-06 12:52:22 +000023 gpio_request(GPIO_PI3, NULL);
Stephen Warren63315d92012-10-22 06:19:36 +000024#endif
Stephen Warrenedc513f2011-10-06 12:52:22 +000025 gpio_direction_output(GPIO_PI3, 0);
Tom Warrene1495582011-04-14 12:09:41 +000026}
Simon Glass704e60d2011-11-05 04:46:51 +000027#endif
Stephen Warrenffac82e2011-10-31 06:51:37 +000028
Tom Warren8c57e962012-05-22 11:44:48 +000029#ifdef CONFIG_TEGRA_MMC
Tom Warren97bf58f2011-09-21 12:40:07 +000030/*
Stephen Warrenf8eac0d2011-10-31 06:51:35 +000031 * Routine: pin_mux_mmc
32 * Description: setup the pin muxes/tristate values for the SDMMC(s)
33 */
Tom Warren9745cf82013-02-21 12:31:30 +000034void pin_mux_mmc(void)
Stephen Warrenf8eac0d2011-10-31 06:51:35 +000035{
Simon Glassea160b12012-01-11 12:42:28 +000036 funcmux_select(PERIPH_ID_SDMMC4, FUNCMUX_SDMMC4_ATB_GMA_GME_8_BIT);
37 funcmux_select(PERIPH_ID_SDMMC3, FUNCMUX_SDMMC3_SDB_4BIT);
Stephen Warrenf8eac0d2011-10-31 06:51:35 +000038
39 /* For power GPIO PI6 */
Stephen Warrenf27f4e82014-03-21 12:28:58 -060040 pinmux_tristate_disable(PMUX_PINGRP_ATA);
Stephen Warrenf8eac0d2011-10-31 06:51:35 +000041 /* For CD GPIO PI5 */
Stephen Warrenf27f4e82014-03-21 12:28:58 -060042 pinmux_tristate_disable(PMUX_PINGRP_ATC);
Stephen Warrenf8eac0d2011-10-31 06:51:35 +000043}
Tom Warren97bf58f2011-09-21 12:40:07 +000044#endif
Simon Glass5d73a8d2012-02-27 10:52:50 +000045
46void pin_mux_usb(void)
47{
48 /* For USB's GPIO PD0. For now, since we have no pinmux in fdt */
Stephen Warrenf27f4e82014-03-21 12:28:58 -060049 pinmux_tristate_disable(PMUX_PINGRP_SLXK);
Simon Glass5d73a8d2012-02-27 10:52:50 +000050}