| Thierry Reding | bc2e7f8 | 2011-11-17 00:10:24 +0000 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2010,2011 |
| 3 | * NVIDIA Corporation <www.nvidia.com> |
| Thierry Reding | 99f9668 | 2012-06-04 20:02:24 +0000 | [diff] [blame] | 4 | * (C) Copyright 2011-2012 |
| Thierry Reding | bc2e7f8 | 2011-11-17 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 Glass | a8ccc8b | 2011-11-28 15:04:40 +0000 | [diff] [blame] | 30 | #include <asm/arch/board.h> |
| Allen Martin | 55d98a1 | 2012-08-31 08:30:00 +0000 | [diff] [blame] | 31 | #include <asm/arch/tegra20.h> |
| Thierry Reding | bc2e7f8 | 2011-11-17 00:10:24 +0000 | [diff] [blame] | 32 | #include <asm/arch/sys_proto.h> |
| 33 | #include <asm/arch/clk_rst.h> |
| 34 | #include <asm/arch/clock.h> |
| Simon Glass | b73aa38 | 2012-01-11 12:42:26 +0000 | [diff] [blame] | 35 | #include <asm/arch/funcmux.h> |
| Thierry Reding | bc2e7f8 | 2011-11-17 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 Reding | bc2e7f8 | 2011-11-17 00:10:24 +0000 | [diff] [blame] | 39 | |
| Tom Warren | 2967d48 | 2012-06-01 08:22:14 +0000 | [diff] [blame] | 40 | #ifdef CONFIG_TEGRA_MMC |
| Thierry Reding | bc2e7f8 | 2011-11-17 00:10:24 +0000 | [diff] [blame] | 41 | #include <mmc.h> |
| 42 | #endif |
| 43 | |
| Thierry Reding | bc2e7f8 | 2011-11-17 00:10:24 +0000 | [diff] [blame] | 44 | /* |
| Thierry Reding | 99f9668 | 2012-06-04 20:02:24 +0000 | [diff] [blame] | 45 | * Routine: gpio_config_uart |
| 46 | * Description: Does nothing on Tamonten - no conflict w/SPI. |
| Thierry Reding | bc2e7f8 | 2011-11-17 00:10:24 +0000 | [diff] [blame] | 47 | */ |
| Thierry Reding | 99f9668 | 2012-06-04 20:02:24 +0000 | [diff] [blame] | 48 | void gpio_config_uart(void) |
| Thierry Reding | bc2e7f8 | 2011-11-17 00:10:24 +0000 | [diff] [blame] | 49 | { |
| Thierry Reding | bc2e7f8 | 2011-11-17 00:10:24 +0000 | [diff] [blame] | 50 | } |
| 51 | |
| Thierry Reding | 1cf1036 | 2012-06-04 20:02:28 +0000 | [diff] [blame] | 52 | #ifdef CONFIG_BOARD_EARLY_INIT_F |
| 53 | void gpio_early_init(void) |
| 54 | { |
| 55 | gpio_request(GPIO_PI4, NULL); |
| 56 | gpio_direction_output(GPIO_PI4, 1); |
| 57 | } |
| 58 | #endif |
| 59 | |
| Tom Warren | 2967d48 | 2012-06-01 08:22:14 +0000 | [diff] [blame] | 60 | #ifdef CONFIG_TEGRA_MMC |
| Thierry Reding | bc2e7f8 | 2011-11-17 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 | */ |
| 65 | static void pin_mux_mmc(void) |
| 66 | { |
| Simon Glass | b73aa38 | 2012-01-11 12:42:26 +0000 | [diff] [blame] | 67 | funcmux_select(PERIPH_ID_SDMMC4, FUNCMUX_SDMMC4_ATB_GMA_GME_8_BIT); |
| Thierry Reding | 67f69db | 2012-06-04 20:02:29 +0000 | [diff] [blame] | 68 | /* for write-protect GPIO PI6 */ |
| 69 | pinmux_tristate_disable(PINGRP_ATA); |
| Thierry Reding | 99f9668 | 2012-06-04 20:02:24 +0000 | [diff] [blame] | 70 | /* for CD GPIO PH2 */ |
| 71 | pinmux_tristate_disable(PINGRP_ATD); |
| Thierry Reding | bc2e7f8 | 2011-11-17 00:10:24 +0000 | [diff] [blame] | 72 | } |
| Thierry Reding | bc2e7f8 | 2011-11-17 00:10:24 +0000 | [diff] [blame] | 73 | |
| Thierry Reding | bc2e7f8 | 2011-11-17 00:10:24 +0000 | [diff] [blame] | 74 | /* this is a weak define that we are overriding */ |
| 75 | int board_mmc_init(bd_t *bd) |
| 76 | { |
| Thierry Reding | bc2e7f8 | 2011-11-17 00:10:24 +0000 | [diff] [blame] | 77 | /* Enable muxes, etc. for SDMMC controllers */ |
| 78 | pin_mux_mmc(); |
| Thierry Reding | bc2e7f8 | 2011-11-17 00:10:24 +0000 | [diff] [blame] | 79 | |
| Thierry Reding | 99f9668 | 2012-06-04 20:02:24 +0000 | [diff] [blame] | 80 | /* init dev 0, SD slot, with 4-bit bus */ |
| Tom Warren | 22562a4 | 2012-09-04 17:00:24 -0700 | [diff] [blame] | 81 | tegra_mmc_init(0, 4, GPIO_PI6, GPIO_PH2); |
| Thierry Reding | bc2e7f8 | 2011-11-17 00:10:24 +0000 | [diff] [blame] | 82 | |
| 83 | return 0; |
| 84 | } |
| 85 | #endif |