u-boot/board/nvidia/harmony/harmony.c
Tom Warren c9aa831ee2 Tegra: MMC: Add DT support to MMC driver for all T20 boards
tegra_mmc_init() now parses the DT info for bus width, WP/CD GPIOs, etc.
Tested on Seaboard, fully functional.

Tamonten boards (medcom-wide, plutux, and tec) use a different/new
dtsi file w/common settings.

Signed-off-by: Tom Warren <twarren@nvidia.com>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
2013-03-14 11:06:42 -07:00

61 lines
1.8 KiB
C

/*
* (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/gpio.h>
#ifdef CONFIG_TEGRA_MMC
/*
* Routine: pin_mux_mmc
* Description: setup the pin muxes/tristate values for the SDMMC(s)
*/
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);
}
#endif
void pin_mux_usb(void)
{
funcmux_select(PERIPH_ID_USB2, FUNCMUX_USB2_ULPI);
pinmux_set_func(PINGRP_CDEV2, PMUX_FUNC_PLLP_OUT4);
pinmux_tristate_disable(PINGRP_CDEV2);
/* USB2 PHY reset GPIO */
pinmux_tristate_disable(PINGRP_UAC);
}