2 * (C) Copyright 2010-2012
3 * NVIDIA Corporation <www.nvidia.com>
5 * See file CREDITS for list of people who contributed to this
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.
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.
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,
26 #include <asm/arch/tegra.h>
27 #include <asm/arch/clock.h>
28 #include <asm/arch/funcmux.h>
29 #include <asm/arch/pinmux.h>
30 #include <asm/arch-tegra/mmc.h>
33 #ifdef CONFIG_TEGRA_MMC
37 void pin_mux_usb(void)
40 * USB1 internal/external mux GPIO, which masquerades as a VBUS GPIO
41 * in the current device tree.
43 pinmux_tristate_disable(PINGRP_UAC);
46 void pin_mux_spi(void)
48 funcmux_select(PERIPH_ID_SPI1, FUNCMUX_SPI1_GMC_GMD);
52 * Routine: pin_mux_mmc
53 * Description: setup the pin muxes/tristate values for the SDMMC(s)
55 static void pin_mux_mmc(void)
57 funcmux_select(PERIPH_ID_SDMMC1, FUNCMUX_SDMMC1_SDIO1_4BIT);
58 funcmux_select(PERIPH_ID_SDMMC4, FUNCMUX_SDMMC4_ATB_GMA_4_BIT);
61 pinmux_tristate_disable(PINGRP_DAP3);
64 /* this is a weak define that we are overriding */
65 int board_mmc_init(bd_t *bd)
67 debug("board_mmc_init called\n");
69 /* Enable muxes, etc. for SDMMC controllers */
72 /* init dev 0 (SDMMC4), (micro-SD slot) with 4-bit bus */
73 tegra_mmc_init(0, 4, -1, GPIO_PP1);
75 /* init dev 3 (SDMMC1), (SD slot) with 4-bit bus */
76 tegra_mmc_init(3, 4, -1, -1);