| /* |
| * Copyright (c) 2010-2012, NVIDIA CORPORATION. All rights reserved. |
| * |
| * See file CREDITS for list of people who contributed to this |
| * project. |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms and conditions of the GNU General Public License, |
| * version 2, as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| */ |
| |
| #include <common.h> |
| #include <asm/io.h> |
| #include <asm/arch/tegra.h> |
| #include <asm/arch/pinmux.h> |
| #include <asm/arch-tegra/mmc.h> |
| #include <asm/gpio.h> |
| #ifdef CONFIG_TEGRA_MMC |
| #include <mmc.h> |
| #endif |
| |
| |
| #ifdef CONFIG_TEGRA_MMC |
| /* |
| * Routine: pin_mux_mmc |
| * Description: setup the pin muxes/tristate values for the SDMMC(s) |
| */ |
| static void pin_mux_mmc(void) |
| { |
| /* SDMMC4: config 3, x8 on 2nd set of pins */ |
| pinmux_set_func(PINGRP_ATB, PMUX_FUNC_SDIO4); |
| pinmux_set_func(PINGRP_GMA, PMUX_FUNC_SDIO4); |
| pinmux_set_func(PINGRP_GME, PMUX_FUNC_SDIO4); |
| |
| pinmux_tristate_disable(PINGRP_ATB); |
| pinmux_tristate_disable(PINGRP_GMA); |
| pinmux_tristate_disable(PINGRP_GME); |
| |
| /* SDIO1: SDIO1_CLK, SDIO1_CMD, SDIO1_DAT[3:0] */ |
| pinmux_set_func(PINGRP_SDIO1, PMUX_FUNC_SDIO1); |
| |
| pinmux_tristate_disable(PINGRP_SDIO1); |
| |
| /* For power GPIO PV1 */ |
| pinmux_tristate_disable(PINGRP_UAC); |
| /* For CD GPIO PV5 */ |
| pinmux_tristate_disable(PINGRP_GPV); |
| } |
| |
| /* this is a weak define that we are overriding */ |
| int board_mmc_init(bd_t *bd) |
| { |
| debug("board_mmc_init called\n"); |
| |
| /* Enable muxes, etc. for SDMMC controllers */ |
| pin_mux_mmc(); |
| |
| debug("board_mmc_init: init eMMC\n"); |
| /* init dev 0, eMMC chip, with 8-bit bus */ |
| tegra_mmc_init(0, 8, -1, -1); |
| |
| debug("board_mmc_init: init SD slot\n"); |
| /* init dev 3, SD slot, with 4-bit bus */ |
| tegra_mmc_init(3, 4, GPIO_PV1, GPIO_PV5); |
| |
| return 0; |
| } |
| #endif |
