u-boot/board/compal/paz00/paz00.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

60 lines
1.6 KiB
C

/*
* 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/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)
{
/* 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);
}
#endif
#ifdef CONFIG_LCD
/* this is a weak define that we are overriding */
void pin_mux_display(void)
{
debug("init display pinmux\n");
/* EN_VDD_PANEL GPIO A4 */
pinmux_tristate_disable(PINGRP_DAP2);
}
#endif