2 * (C) Copyright 2010,2011
3 * NVIDIA Corporation <www.nvidia.com>
4 * (C) Copyright 2011-2012
5 * Avionic Design GmbH <www.avionic-design.de>
7 * See file CREDITS for list of people who contributed to this
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; either version 2 of
13 * the License, or (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
30 #include <asm/arch/clock.h>
31 #include <asm/arch/funcmux.h>
32 #include <asm/arch/pinmux.h>
33 #include <asm/arch/tegra.h>
34 #include <asm/arch-tegra/board.h>
35 #include <asm/arch-tegra/clk_rst.h>
36 #include <asm/arch-tegra/sys_proto.h>
37 #include <asm/arch-tegra/uart.h>
39 #ifdef CONFIG_BOARD_EARLY_INIT_F
40 void gpio_early_init(void)
42 gpio_request(GPIO_PI4, NULL);
43 gpio_direction_output(GPIO_PI4, 1);
47 #ifdef CONFIG_TEGRA_MMC
49 * Routine: pin_mux_mmc
50 * Description: setup the pin muxes/tristate values for the SDMMC(s)
52 void pin_mux_mmc(void)
54 funcmux_select(PERIPH_ID_SDMMC4, FUNCMUX_SDMMC4_ATB_GMA_GME_8_BIT);
55 /* for write-protect GPIO PI6 */
56 pinmux_tristate_disable(PINGRP_ATA);
58 pinmux_tristate_disable(PINGRP_ATD);