Tom Warren | f4ef666 | 2011-04-14 12:09:41 +0000 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2010,2011 |
| 3 | * NVIDIA Corporation <www.nvidia.com> |
| 4 | * |
Wolfgang Denk | 1a45966 | 2013-07-08 09:37:19 +0200 | [diff] [blame] | 5 | * SPDX-License-Identifier: GPL-2.0+ |
Tom Warren | f4ef666 | 2011-04-14 12:09:41 +0000 | [diff] [blame] | 6 | */ |
| 7 | |
| 8 | #include <common.h> |
| 9 | #include <asm/io.h> |
Tom Warren | 150c249 | 2012-09-19 15:50:56 -0700 | [diff] [blame] | 10 | #include <asm/arch/tegra.h> |
Jeroen Hofstee | 19d7bf3 | 2014-10-08 22:57:46 +0200 | [diff] [blame^] | 11 | #include <asm/arch-tegra/board.h> |
Simon Glass | ca28090 | 2012-01-11 12:42:28 +0000 | [diff] [blame] | 12 | #include <asm/arch/clock.h> |
| 13 | #include <asm/arch/funcmux.h> |
Stephen Warren | a2ab6b7 | 2012-10-22 06:19:36 +0000 | [diff] [blame] | 14 | #include <asm/arch/gpio.h> |
Stephen Warren | ae03661 | 2011-10-31 06:51:35 +0000 | [diff] [blame] | 15 | #include <asm/arch/pinmux.h> |
Tom Warren | ccf7988 | 2011-09-21 12:40:07 +0000 | [diff] [blame] | 16 | #include <asm/gpio.h> |
Tom Warren | f4ef666 | 2011-04-14 12:09:41 +0000 | [diff] [blame] | 17 | |
Simon Glass | a04eba9 | 2011-11-05 04:46:51 +0000 | [diff] [blame] | 18 | /* TODO: Remove this code when the SPI switch is working */ |
Allen Martin | 9000652 | 2013-03-16 18:58:02 +0000 | [diff] [blame] | 19 | #if (CONFIG_MACH_TYPE != MACH_TYPE_VENTANA) |
Lucas Stach | 0cd10c7 | 2012-09-25 20:21:14 +0000 | [diff] [blame] | 20 | void gpio_early_init_uart(void) |
Stephen Warren | d5ef19b | 2011-10-31 06:51:37 +0000 | [diff] [blame] | 21 | { |
Stephen Warren | a2ab6b7 | 2012-10-22 06:19:36 +0000 | [diff] [blame] | 22 | /* Enable UART via GPIO_PI3 (port 8, bit 3) so serial console works */ |
| 23 | #ifndef CONFIG_SPL_BUILD |
| 24 | gpio_request(GPIO_PI3, NULL); |
| 25 | #endif |
Simon Glass | 2fccd2d | 2014-09-03 17:37:03 -0600 | [diff] [blame] | 26 | tegra_spl_gpio_direction_output(GPIO_PI3, 0); |
Stephen Warren | d5ef19b | 2011-10-31 06:51:37 +0000 | [diff] [blame] | 27 | } |
Simon Glass | a04eba9 | 2011-11-05 04:46:51 +0000 | [diff] [blame] | 28 | #endif |
Stephen Warren | d5ef19b | 2011-10-31 06:51:37 +0000 | [diff] [blame] | 29 | |
Tom Warren | 3f82d89 | 2012-05-22 11:44:48 +0000 | [diff] [blame] | 30 | #ifdef CONFIG_TEGRA_MMC |
Tom Warren | ccf7988 | 2011-09-21 12:40:07 +0000 | [diff] [blame] | 31 | /* |
Stephen Warren | ae03661 | 2011-10-31 06:51:35 +0000 | [diff] [blame] | 32 | * Routine: pin_mux_mmc |
| 33 | * Description: setup the pin muxes/tristate values for the SDMMC(s) |
| 34 | */ |
Tom Warren | c9aa831 | 2013-02-21 12:31:30 +0000 | [diff] [blame] | 35 | void pin_mux_mmc(void) |
Stephen Warren | ae03661 | 2011-10-31 06:51:35 +0000 | [diff] [blame] | 36 | { |
Simon Glass | ca28090 | 2012-01-11 12:42:28 +0000 | [diff] [blame] | 37 | funcmux_select(PERIPH_ID_SDMMC4, FUNCMUX_SDMMC4_ATB_GMA_GME_8_BIT); |
| 38 | funcmux_select(PERIPH_ID_SDMMC3, FUNCMUX_SDMMC3_SDB_4BIT); |
Stephen Warren | ae03661 | 2011-10-31 06:51:35 +0000 | [diff] [blame] | 39 | |
| 40 | /* For power GPIO PI6 */ |
Stephen Warren | 70ad375 | 2014-03-21 12:28:58 -0600 | [diff] [blame] | 41 | pinmux_tristate_disable(PMUX_PINGRP_ATA); |
Stephen Warren | ae03661 | 2011-10-31 06:51:35 +0000 | [diff] [blame] | 42 | /* For CD GPIO PI5 */ |
Stephen Warren | 70ad375 | 2014-03-21 12:28:58 -0600 | [diff] [blame] | 43 | pinmux_tristate_disable(PMUX_PINGRP_ATC); |
Stephen Warren | ae03661 | 2011-10-31 06:51:35 +0000 | [diff] [blame] | 44 | } |
Tom Warren | ccf7988 | 2011-09-21 12:40:07 +0000 | [diff] [blame] | 45 | #endif |
Simon Glass | f10393e | 2012-02-27 10:52:50 +0000 | [diff] [blame] | 46 | |
| 47 | void pin_mux_usb(void) |
| 48 | { |
| 49 | /* For USB's GPIO PD0. For now, since we have no pinmux in fdt */ |
Stephen Warren | 70ad375 | 2014-03-21 12:28:58 -0600 | [diff] [blame] | 50 | pinmux_tristate_disable(PMUX_PINGRP_SLXK); |
Simon Glass | f10393e | 2012-02-27 10:52:50 +0000 | [diff] [blame] | 51 | } |