2 * (C) Copyright 2010,2011
3 * NVIDIA Corporation <www.nvidia.com>
5 * See file CREDITS for list of people who contributed to this
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.
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.
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,
26 #include <asm/arch/tegra20.h>
27 #include <asm/arch/clock.h>
28 #include <asm/arch/funcmux.h>
29 #include <asm/arch/pinmux.h>
30 #include <asm/arch/mmc.h>
32 #ifdef CONFIG_TEGRA_MMC
37 * Routine: gpio_config_uart
38 * Description: Does nothing on Harmony - no conflict w/SPI.
40 void gpio_config_uart(void)
44 #ifdef CONFIG_TEGRA_MMC
46 * Routine: pin_mux_mmc
47 * Description: setup the pin muxes/tristate values for the SDMMC(s)
49 static void pin_mux_mmc(void)
51 funcmux_select(PERIPH_ID_SDMMC4, FUNCMUX_SDMMC4_ATB_GMA_GME_8_BIT);
52 funcmux_select(PERIPH_ID_SDMMC2, FUNCMUX_SDMMC2_DTA_DTD_8BIT);
54 /* For power GPIO PI6 */
55 pinmux_tristate_disable(PINGRP_ATA);
57 pinmux_tristate_disable(PINGRP_ATD);
59 /* For power GPIO PT3 */
60 pinmux_tristate_disable(PINGRP_DTB);
62 pinmux_tristate_disable(PINGRP_ATC);
65 /* this is a weak define that we are overriding */
66 int board_mmc_init(bd_t *bd)
68 debug("board_mmc_init called\n");
70 /* Enable muxes, etc. for SDMMC controllers */
73 debug("board_mmc_init: init SD slot J26\n");
74 /* init dev 0, SD slot J26, with 4-bit bus */
75 /* The board has an 8-bit bus, but 8-bit doesn't work yet */
76 tegra_mmc_init(0, 4, GPIO_PI6, GPIO_PH2);
78 debug("board_mmc_init: init SD slot J5\n");
79 /* init dev 2, SD slot J5, with 4-bit bus */
80 tegra_mmc_init(2, 4, GPIO_PT3, GPIO_PI5);