xref: /openbmc/u-boot/board/nvidia/harmony/harmony.c (revision b899fa39)
1 /*
2  *  (C) Copyright 2010,2011
3  *  NVIDIA Corporation <www.nvidia.com>
4  *
5  * See file CREDITS for list of people who contributed to this
6  * project.
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License as
10  * published by the Free Software Foundation; either version 2 of
11  * the License, or (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21  * MA 02111-1307 USA
22  */
23 
24 #include <common.h>
25 #include <lcd.h>
26 #include <asm/io.h>
27 #include <asm/arch/clock.h>
28 #include <asm/arch/funcmux.h>
29 #include <asm/arch/pinmux.h>
30 #include <asm/arch/tegra.h>
31 #include <asm/gpio.h>
32 
33 #ifdef CONFIG_TEGRA_MMC
34 /*
35  * Routine: pin_mux_mmc
36  * Description: setup the pin muxes/tristate values for the SDMMC(s)
37  */
38 void pin_mux_mmc(void)
39 {
40 	funcmux_select(PERIPH_ID_SDMMC4, FUNCMUX_SDMMC4_ATB_GMA_GME_8_BIT);
41 	funcmux_select(PERIPH_ID_SDMMC2, FUNCMUX_SDMMC2_DTA_DTD_8BIT);
42 
43 	/* For power GPIO PI6 */
44 	pinmux_tristate_disable(PINGRP_ATA);
45 	/* For CD GPIO PH2 */
46 	pinmux_tristate_disable(PINGRP_ATD);
47 
48 	/* For power GPIO PT3 */
49 	pinmux_tristate_disable(PINGRP_DTB);
50 	/* For CD GPIO PI5 */
51 	pinmux_tristate_disable(PINGRP_ATC);
52 }
53 #endif
54 
55 void pin_mux_usb(void)
56 {
57 	funcmux_select(PERIPH_ID_USB2, FUNCMUX_USB2_ULPI);
58 	pinmux_set_func(PINGRP_CDEV2, PMUX_FUNC_PLLP_OUT4);
59 	pinmux_tristate_disable(PINGRP_CDEV2);
60 	/* USB2 PHY reset GPIO */
61 	pinmux_tristate_disable(PINGRP_UAC);
62 }
63 
64 void pin_mux_display(void)
65 {
66 	pinmux_set_func(PINGRP_SDC, PMUX_FUNC_PWM);
67 	pinmux_tristate_disable(PINGRP_SDC);
68 }
69