1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
/*
* (C) Copyright 2010,2011
* NVIDIA Corporation <www.nvidia.com>
* (C) Copyright 2011-2012
* Avionic Design GmbH <www.avionic-design.de>
*
* 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 <ns16550.h>
#include <asm/io.h>
#include <asm/gpio.h>
#include <asm/arch/board.h>
#include <asm/arch/tegra20.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/clk_rst.h>
#include <asm/arch/clock.h>
#include <asm/arch/funcmux.h>
#include <asm/arch/pinmux.h>
#include <asm/arch/uart.h>
#include <asm/arch/mmc.h>
#ifdef CONFIG_TEGRA_MMC
#include <mmc.h>
#endif
/*
* Routine: gpio_config_uart
* Description: Does nothing on Tamonten - no conflict w/SPI.
*/
void gpio_config_uart(void)
{
}
#ifdef CONFIG_BOARD_EARLY_INIT_F
void gpio_early_init(void)
{
gpio_request(GPIO_PI4, NULL);
gpio_direction_output(GPIO_PI4, 1);
}
#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);
/* for write-protect GPIO PI6 */
pinmux_tristate_disable(PINGRP_ATA);
/* for CD GPIO PH2 */
pinmux_tristate_disable(PINGRP_ATD);
}
/* this is a weak define that we are overriding */
int board_mmc_init(bd_t *bd)
{
/* Enable muxes, etc. for SDMMC controllers */
pin_mux_mmc();
/* init dev 0, SD slot, with 4-bit bus */
tegra_mmc_init(0, 4, GPIO_PI6, GPIO_PH2);
return 0;
}
#endif
|
