1 /* 2 * (C) Copyright 2010,2011 3 * NVIDIA Corporation <www.nvidia.com> 4 * 5 * See file CREDITS for list of people who contributed to this 6 * project. 7 * 8 * This program is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU General Public License as 10 * published by the Free Software Foundation; either version 2 of 11 * the License, or (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 21 * MA 02111-1307 USA 22 */ 23 24 #include <common.h> 25 #include <asm/io.h> 26 #include <asm/arch/clock.h> 27 #include <asm/arch/funcmux.h> 28 #include <asm/arch/pinmux.h> 29 #include <asm/arch/tegra.h> 30 #include <asm/gpio.h> 31 32 #ifdef CONFIG_TEGRA_MMC 33 /* 34 * Routine: pin_mux_mmc 35 * Description: setup the pin muxes/tristate values for the SDMMC(s) 36 */ 37 void pin_mux_mmc(void) 38 { 39 funcmux_select(PERIPH_ID_SDMMC4, FUNCMUX_SDMMC4_ATB_GMA_GME_8_BIT); 40 funcmux_select(PERIPH_ID_SDMMC2, FUNCMUX_SDMMC2_DTA_DTD_8BIT); 41 42 /* For power GPIO PI6 */ 43 pinmux_tristate_disable(PINGRP_ATA); 44 /* For CD GPIO PH2 */ 45 pinmux_tristate_disable(PINGRP_ATD); 46 47 /* For power GPIO PT3 */ 48 pinmux_tristate_disable(PINGRP_DTB); 49 /* For CD GPIO PI5 */ 50 pinmux_tristate_disable(PINGRP_ATC); 51 } 52 #endif 53 54 void pin_mux_usb(void) 55 { 56 funcmux_select(PERIPH_ID_USB2, FUNCMUX_USB2_ULPI); 57 pinmux_set_func(PINGRP_CDEV2, PMUX_FUNC_PLLP_OUT4); 58 pinmux_tristate_disable(PINGRP_CDEV2); 59 /* USB2 PHY reset GPIO */ 60 pinmux_tristate_disable(PINGRP_UAC); 61 } 62