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Tom Warrenf4ef6662011-04-14 12:09:41 +00001/*
2 * (C) Copyright 2010,2011
3 * NVIDIA Corporation <www.nvidia.com>
4 *
Wolfgang Denk1a459662013-07-08 09:37:19 +02005 * SPDX-License-Identifier: GPL-2.0+
Tom Warrenf4ef6662011-04-14 12:09:41 +00006 */
7
8#include <common.h>
9#include <asm/io.h>
Tom Warren150c2492012-09-19 15:50:56 -070010#include <asm/arch/tegra.h>
Simon Glassca280902012-01-11 12:42:28 +000011#include <asm/arch/clock.h>
12#include <asm/arch/funcmux.h>
Stephen Warrena2ab6b72012-10-22 06:19:36 +000013#include <asm/arch/gpio.h>
Stephen Warrenae036612011-10-31 06:51:35 +000014#include <asm/arch/pinmux.h>
Tom Warrenccf79882011-09-21 12:40:07 +000015#include <asm/gpio.h>
Tom Warrenf4ef6662011-04-14 12:09:41 +000016
Simon Glassa04eba92011-11-05 04:46:51 +000017/* TODO: Remove this code when the SPI switch is working */
Allen Martin90006522013-03-16 18:58:02 +000018#if (CONFIG_MACH_TYPE != MACH_TYPE_VENTANA)
Lucas Stach0cd10c72012-09-25 20:21:14 +000019void gpio_early_init_uart(void)
Stephen Warrend5ef19b2011-10-31 06:51:37 +000020{
Stephen Warrena2ab6b72012-10-22 06:19:36 +000021 /* Enable UART via GPIO_PI3 (port 8, bit 3) so serial console works */
22#ifndef CONFIG_SPL_BUILD
23 gpio_request(GPIO_PI3, NULL);
24#endif
Simon Glass2fccd2d2014-09-03 17:37:03 -060025 tegra_spl_gpio_direction_output(GPIO_PI3, 0);
Stephen Warrend5ef19b2011-10-31 06:51:37 +000026}
Simon Glassa04eba92011-11-05 04:46:51 +000027#endif
Stephen Warrend5ef19b2011-10-31 06:51:37 +000028
Tom Warren3f82d892012-05-22 11:44:48 +000029#ifdef CONFIG_TEGRA_MMC
Tom Warrenccf79882011-09-21 12:40:07 +000030/*
Stephen Warrenae036612011-10-31 06:51:35 +000031 * Routine: pin_mux_mmc
32 * Description: setup the pin muxes/tristate values for the SDMMC(s)
33 */
Tom Warrenc9aa8312013-02-21 12:31:30 +000034void pin_mux_mmc(void)
Stephen Warrenae036612011-10-31 06:51:35 +000035{
Simon Glassca280902012-01-11 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 Warrenae036612011-10-31 06:51:35 +000038
39 /* For power GPIO PI6 */
Stephen Warren70ad3752014-03-21 12:28:58 -060040 pinmux_tristate_disable(PMUX_PINGRP_ATA);
Stephen Warrenae036612011-10-31 06:51:35 +000041 /* For CD GPIO PI5 */
Stephen Warren70ad3752014-03-21 12:28:58 -060042 pinmux_tristate_disable(PMUX_PINGRP_ATC);
Stephen Warrenae036612011-10-31 06:51:35 +000043}
Tom Warrenccf79882011-09-21 12:40:07 +000044#endif
Simon Glassf10393e2012-02-27 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 Warren70ad3752014-03-21 12:28:58 -060049 pinmux_tristate_disable(PMUX_PINGRP_SLXK);
Simon Glassf10393e2012-02-27 10:52:50 +000050}