| Stephen Warren | 39e3711 | 2012-05-16 13:54:07 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * (C) Copyright 2010-2012 |
| 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 <i2c.h> |
| 26 | #include <asm/io.h> |
| 27 | #include <asm/arch/tegra2.h> |
| 28 | #include <asm/arch/clock.h> |
| 29 | #include <asm/arch/funcmux.h> |
| 30 | #include <asm/arch/pinmux.h> |
| 31 | #include <asm/arch/mmc.h> |
| 32 | #include <asm/gpio.h> |
| 33 | #ifdef CONFIG_TEGRA2_MMC |
| 34 | #include <mmc.h> |
| 35 | #endif |
| 36 | |
| 37 | /* |
| 38 | * Routine: gpio_config_uart |
| 39 | * Description: Does nothing on TrimSlice - no UART-related GPIOs. |
| 40 | */ |
| 41 | void gpio_config_uart(void) |
| 42 | { |
| 43 | } |
| 44 | |
| 45 | /* |
| 46 | * Routine: pin_mux_mmc |
| 47 | * Description: setup the pin muxes/tristate values for the SDMMC(s) |
| 48 | */ |
| 49 | static void pin_mux_mmc(void) |
| 50 | { |
| 51 | funcmux_select(PERIPH_ID_SDMMC1, FUNCMUX_SDMMC1_SDIO1_4BIT); |
| 52 | funcmux_select(PERIPH_ID_SDMMC4, FUNCMUX_SDMMC4_ATB_GMA_4_BIT); |
| 53 | |
| 54 | /* For CD GPIO PP1 */ |
| 55 | pinmux_tristate_disable(PINGRP_DAP3); |
| 56 | } |
| 57 | |
| 58 | /* this is a weak define that we are overriding */ |
| 59 | int board_mmc_init(bd_t *bd) |
| 60 | { |
| 61 | debug("board_mmc_init called\n"); |
| 62 | |
| 63 | /* Enable muxes, etc. for SDMMC controllers */ |
| 64 | pin_mux_mmc(); |
| 65 | |
| 66 | /* init dev 0 (SDMMC4), (micro-SD slot) with 4-bit bus */ |
| 67 | tegra2_mmc_init(0, 4, -1, GPIO_PP1); |
| 68 | |
| 69 | /* init dev 3 (SDMMC1), (SD slot) with 4-bit bus */ |
| 70 | tegra2_mmc_init(3, 4, -1, -1); |
| 71 | |
| 72 | return 0; |
| 73 | } |