|
|
|
|
/*
|
|
|
|
|
* (C) Copyright 2010,2011
|
|
|
|
|
* NVIDIA Corporation <www.nvidia.com>
|
|
|
|
|
*
|
|
|
|
|
* 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 of the GNU General Public License as
|
|
|
|
|
* published by the Free Software Foundation; either version 2 of
|
|
|
|
|
* the License, or (at your option) any later version.
|
|
|
|
|
*
|
|
|
|
|
* This program is distributed in the hope that 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.
|
|
|
|
|
*
|
|
|
|
|
* You should have received a copy of the GNU General Public License
|
|
|
|
|
* along with this program; if not, write to the Free Software
|
|
|
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
|
|
|
* MA 02111-1307 USA
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#include <common.h>
|
|
|
|
|
#include <asm/io.h>
|
|
|
|
|
#include <asm/arch/clock.h>
|
|
|
|
|
#include <asm/arch/funcmux.h>
|
|
|
|
|
#include <asm/arch/pinmux.h>
|
|
|
|
|
#include <asm/arch/tegra.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)
|
|
|
|
|
{
|
|
|
|
|
funcmux_select(PERIPH_ID_SDMMC4, FUNCMUX_SDMMC4_ATB_GMA_GME_8_BIT);
|
|
|
|
|
funcmux_select(PERIPH_ID_SDMMC2, FUNCMUX_SDMMC2_DTA_DTD_8BIT);
|
|
|
|
|
|
|
|
|
|
/* For power GPIO PI6 */
|
|
|
|
|
pinmux_tristate_disable(PINGRP_ATA);
|
|
|
|
|
/* For CD GPIO PH2 */
|
|
|
|
|
pinmux_tristate_disable(PINGRP_ATD);
|
|
|
|
|
|
|
|
|
|
/* For power GPIO PT3 */
|
|
|
|
|
pinmux_tristate_disable(PINGRP_DTB);
|
|
|
|
|
/* For CD GPIO PI5 */
|
|
|
|
|
pinmux_tristate_disable(PINGRP_ATC);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* 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 SD slot J26\n");
|
|
|
|
|
/* init dev 0, SD slot J26, with 4-bit bus */
|
|
|
|
|
/* The board has an 8-bit bus, but 8-bit doesn't work yet */
|
|
|
|
|
tegra_mmc_init(0, 4, GPIO_PI6, GPIO_PH2);
|
|
|
|
|
|
|
|
|
|
debug("board_mmc_init: init SD slot J5\n");
|
|
|
|
|
/* init dev 2, SD slot J5, with 4-bit bus */
|
|
|
|
|
tegra_mmc_init(2, 4, GPIO_PT3, GPIO_PI5);
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
#endif
|
