Gitiles
Code Review Sign In
gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / 175a7d2778ad26a244f5c846a6385413c87d95a7 / . / board / avionic-design / common / tamonten.c
blob: 2c14462eb6a41ecc4f469151ee8e5e38b3f5611d [file] [log] [blame]
Thierry Redingb1c0c732011-11-17 00:10:24 +0000[diff] [blame]1/*
2 * (C) Copyright 2010,2011
3 * NVIDIA Corporation <www.nvidia.com>
Thierry Redinged900c52012-06-04 20:02:24 +0000[diff] [blame]4 * (C) Copyright 2011-2012
Thierry Redingb1c0c732011-11-17 00:10:24 +0000[diff] [blame]5 * Avionic Design GmbH <www.avionic-design.de>
6 *
7 * See file CREDITS for list of people who contributed to this
8 * project.
9 *
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.
14 *
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.
19 *
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,
23 * MA 02111-1307 USA
24 */
25
26#include <common.h>
27#include <ns16550.h>
28#include <asm/io.h>
29#include <asm/gpio.h>
Simon Glassf46a9452011-11-28 15:04:40 +0000[diff] [blame]30#include <asm/arch/board.h>
Thierry Redingb1c0c732011-11-17 00:10:24 +0000[diff] [blame]31#include <asm/arch/tegra2.h>
32#include <asm/arch/sys_proto.h>
33#include <asm/arch/clk_rst.h>
34#include <asm/arch/clock.h>
Simon Glassf4483022012-01-11 12:42:26 +0000[diff] [blame]35#include <asm/arch/funcmux.h>
Thierry Redingb1c0c732011-11-17 00:10:24 +0000[diff] [blame]36#include <asm/arch/pinmux.h>
37#include <asm/arch/uart.h>
38#include <asm/arch/mmc.h>
Thierry Redingb1c0c732011-11-17 00:10:24 +0000[diff] [blame]39
Tom Warren1e2d7852012-06-01 08:22:14 +0000[diff] [blame]40#ifdef CONFIG_TEGRA_MMC
Thierry Redingb1c0c732011-11-17 00:10:24 +0000[diff] [blame]41#include <mmc.h>
42#endif
43
Thierry Redingb1c0c732011-11-17 00:10:24 +0000[diff] [blame]44/*
Thierry Redinged900c52012-06-04 20:02:24 +0000[diff] [blame]45 * Routine: gpio_config_uart
46 * Description: Does nothing on Tamonten - no conflict w/SPI.
Thierry Redingb1c0c732011-11-17 00:10:24 +0000[diff] [blame]47 */
Thierry Redinged900c52012-06-04 20:02:24 +0000[diff] [blame]48void gpio_config_uart(void)
Thierry Redingb1c0c732011-11-17 00:10:24 +0000[diff] [blame]49{
Thierry Redingb1c0c732011-11-17 00:10:24 +0000[diff] [blame]50}
51
Thierry Reding22d58502012-06-04 20:02:28 +0000[diff] [blame]52#ifdef CONFIG_BOARD_EARLY_INIT_F
53void gpio_early_init(void)
54{
55 gpio_request(GPIO_PI4, NULL);
56 gpio_direction_output(GPIO_PI4, 1);
57}
58#endif
59
Tom Warren1e2d7852012-06-01 08:22:14 +0000[diff] [blame]60#ifdef CONFIG_TEGRA_MMC
Thierry Redingb1c0c732011-11-17 00:10:24 +0000[diff] [blame]61/*
62 * Routine: pin_mux_mmc
63 * Description: setup the pin muxes/tristate values for the SDMMC(s)
64 */
65static void pin_mux_mmc(void)
66{
Simon Glassf4483022012-01-11 12:42:26 +0000[diff] [blame]67 funcmux_select(PERIPH_ID_SDMMC4, FUNCMUX_SDMMC4_ATB_GMA_GME_8_BIT);
Thierry Reding79254542012-06-04 20:02:29 +0000[diff] [blame]68 /* for write-protect GPIO PI6 */
69 pinmux_tristate_disable(PINGRP_ATA);
Thierry Redinged900c52012-06-04 20:02:24 +0000[diff] [blame]70 /* for CD GPIO PH2 */
71 pinmux_tristate_disable(PINGRP_ATD);
Thierry Redingb1c0c732011-11-17 00:10:24 +0000[diff] [blame]72}
73
Thierry Redingb1c0c732011-11-17 00:10:24 +0000[diff] [blame]74/* this is a weak define that we are overriding */
75int board_mmc_init(bd_t *bd)
76{
Thierry Redingb1c0c732011-11-17 00:10:24 +0000[diff] [blame]77 /* Enable muxes, etc. for SDMMC controllers */
78 pin_mux_mmc();
Thierry Redingb1c0c732011-11-17 00:10:24 +0000[diff] [blame]79
Thierry Redinged900c52012-06-04 20:02:24 +0000[diff] [blame]80 /* init dev 0, SD slot, with 4-bit bus */
Thierry Reding79254542012-06-04 20:02:29 +0000[diff] [blame]81 tegra2_mmc_init(0, 4, GPIO_PI6, GPIO_PH2);
Thierry Redingb1c0c732011-11-17 00:10:24 +0000[diff] [blame]82
83 return 0;
84}
85#endif