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 <lcd.h> 26 #include <asm/io.h> 27 #include <asm/arch/clock.h> 28 #include <asm/arch/funcmux.h> 29 #include <asm/arch/pinmux.h> 30 #include <asm/arch/tegra.h> 31 #include <asm/gpio.h> 32 33 #ifdef CONFIG_TEGRA_MMC 34 /* 35 * Routine: pin_mux_mmc 36 * Description: setup the pin muxes/tristate values for the SDMMC(s) 37 */ 38 void pin_mux_mmc(void) 39 { 40 funcmux_select(PERIPH_ID_SDMMC4, FUNCMUX_SDMMC4_ATB_GMA_GME_8_BIT); 41 funcmux_select(PERIPH_ID_SDMMC2, FUNCMUX_SDMMC2_DTA_DTD_8BIT); 42 43 /* For power GPIO PI6 */ 44 pinmux_tristate_disable(PINGRP_ATA); 45 /* For CD GPIO PH2 */ 46 pinmux_tristate_disable(PINGRP_ATD); 47 48 /* For power GPIO PT3 */ 49 pinmux_tristate_disable(PINGRP_DTB); 50 /* For CD GPIO PI5 */ 51 pinmux_tristate_disable(PINGRP_ATC); 52 } 53 #endif 54 55 void pin_mux_usb(void) 56 { 57 funcmux_select(PERIPH_ID_USB2, FUNCMUX_USB2_ULPI); 58 pinmux_set_func(PINGRP_CDEV2, PMUX_FUNC_PLLP_OUT4); 59 pinmux_tristate_disable(PINGRP_CDEV2); 60 /* USB2 PHY reset GPIO */ 61 pinmux_tristate_disable(PINGRP_UAC); 62 } 63 64 void pin_mux_display(void) 65 { 66 pinmux_set_func(PINGRP_SDC, PMUX_FUNC_PWM); 67 pinmux_tristate_disable(PINGRP_SDC); 68 } 69