1 /* 2 * Copyright (c) 2010-2012, NVIDIA CORPORATION. All rights reserved. 3 * 4 * See file CREDITS for list of people who contributed to this 5 * project. 6 * 7 * This program is free software; you can redistribute it and/or modify it 8 * under the terms and conditions of the GNU General Public License, 9 * version 2, as published by the Free Software Foundation. 10 * 11 * This program is distributed in the hope it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 14 * more details. 15 */ 16 17 #include <common.h> 18 #include <asm/io.h> 19 #include <asm/arch/tegra.h> 20 #include <asm/arch/pinmux.h> 21 #include <asm/gpio.h> 22 23 #ifdef CONFIG_TEGRA_MMC 24 /* 25 * Routine: pin_mux_mmc 26 * Description: setup the pin muxes/tristate values for the SDMMC(s) 27 */ 28 void pin_mux_mmc(void) 29 { 30 /* SDMMC4: config 3, x8 on 2nd set of pins */ 31 pinmux_set_func(PINGRP_ATB, PMUX_FUNC_SDIO4); 32 pinmux_set_func(PINGRP_GMA, PMUX_FUNC_SDIO4); 33 pinmux_set_func(PINGRP_GME, PMUX_FUNC_SDIO4); 34 35 pinmux_tristate_disable(PINGRP_ATB); 36 pinmux_tristate_disable(PINGRP_GMA); 37 pinmux_tristate_disable(PINGRP_GME); 38 39 /* SDIO1: SDIO1_CLK, SDIO1_CMD, SDIO1_DAT[3:0] */ 40 pinmux_set_func(PINGRP_SDIO1, PMUX_FUNC_SDIO1); 41 42 pinmux_tristate_disable(PINGRP_SDIO1); 43 44 /* For power GPIO PV1 */ 45 pinmux_tristate_disable(PINGRP_UAC); 46 /* For CD GPIO PV5 */ 47 pinmux_tristate_disable(PINGRP_GPV); 48 } 49 #endif 50 51 #ifdef CONFIG_LCD 52 /* this is a weak define that we are overriding */ 53 void pin_mux_display(void) 54 { 55 debug("init display pinmux\n"); 56 57 /* EN_VDD_PANEL GPIO A4 */ 58 pinmux_tristate_disable(PINGRP_DAP2); 59 } 60 #endif 61