1 /* 2 * (C) Copyright 2010-2012 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 <i2c.h> 26 #include <asm/io.h> 27 #include <asm/arch/tegra2.h> 28 #include <asm/arch/clock.h> 29 #include <asm/arch/funcmux.h> 30 #include <asm/arch/pinmux.h> 31 #include <asm/arch/mmc.h> 32 #include <asm/gpio.h> 33 #ifdef CONFIG_TEGRA2_MMC 34 #include <mmc.h> 35 #endif 36 37 /* 38 * Routine: gpio_config_uart 39 * Description: Does nothing on TrimSlice - no UART-related GPIOs. 40 */ 41 void gpio_config_uart(void) 42 { 43 } 44 45 /* 46 * Routine: pin_mux_mmc 47 * Description: setup the pin muxes/tristate values for the SDMMC(s) 48 */ 49 static void pin_mux_mmc(void) 50 { 51 funcmux_select(PERIPH_ID_SDMMC1, FUNCMUX_SDMMC1_SDIO1_4BIT); 52 funcmux_select(PERIPH_ID_SDMMC4, FUNCMUX_SDMMC4_ATB_GMA_4_BIT); 53 54 /* For CD GPIO PP1 */ 55 pinmux_tristate_disable(PINGRP_DAP3); 56 } 57 58 /* this is a weak define that we are overriding */ 59 int board_mmc_init(bd_t *bd) 60 { 61 debug("board_mmc_init called\n"); 62 63 /* Enable muxes, etc. for SDMMC controllers */ 64 pin_mux_mmc(); 65 66 /* init dev 0 (SDMMC4), (micro-SD slot) with 4-bit bus */ 67 tegra2_mmc_init(0, 4, -1, GPIO_PP1); 68 69 /* init dev 3 (SDMMC1), (SD slot) with 4-bit bus */ 70 tegra2_mmc_init(3, 4, -1, -1); 71 72 return 0; 73 } 74