2 * Copyright (c) 2010-2012, NVIDIA CORPORATION. All rights reserved.
4 * See file CREDITS for list of people who contributed to this
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.
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
19 #include <asm/arch/tegra.h>
20 #include <asm/arch/pinmux.h>
21 #include <asm/arch-tegra/mmc.h>
23 #ifdef CONFIG_TEGRA_MMC
28 #ifdef CONFIG_TEGRA_MMC
30 * Routine: pin_mux_mmc
31 * Description: setup the pin muxes/tristate values for the SDMMC(s)
33 static void pin_mux_mmc(void)
35 /* SDMMC4: config 3, x8 on 2nd set of pins */
36 pinmux_set_func(PINGRP_ATB, PMUX_FUNC_SDIO4);
37 pinmux_set_func(PINGRP_GMA, PMUX_FUNC_SDIO4);
38 pinmux_set_func(PINGRP_GME, PMUX_FUNC_SDIO4);
40 pinmux_tristate_disable(PINGRP_ATB);
41 pinmux_tristate_disable(PINGRP_GMA);
42 pinmux_tristate_disable(PINGRP_GME);
44 /* SDIO1: SDIO1_CLK, SDIO1_CMD, SDIO1_DAT[3:0] */
45 pinmux_set_func(PINGRP_SDIO1, PMUX_FUNC_SDIO1);
47 pinmux_tristate_disable(PINGRP_SDIO1);
49 /* For power GPIO PV1 */
50 pinmux_tristate_disable(PINGRP_UAC);
52 pinmux_tristate_disable(PINGRP_GPV);
55 /* this is a weak define that we are overriding */
56 int board_mmc_init(bd_t *bd)
58 debug("board_mmc_init called\n");
60 /* Enable muxes, etc. for SDMMC controllers */
63 debug("board_mmc_init: init eMMC\n");
64 /* init dev 0, eMMC chip, with 8-bit bus */
65 tegra_mmc_init(0, 8, -1, -1);
67 debug("board_mmc_init: init SD slot\n");
68 /* init dev 3, SD slot, with 4-bit bus */
69 tegra_mmc_init(3, 4, GPIO_PV1, GPIO_PV5);