1 /* 2 * (C) Copyright 2010,2011 3 * NVIDIA Corporation <www.nvidia.com> 4 * (C) Copyright 2011 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> 30 #include <asm/arch/board.h> 31 #include <asm/arch/tegra2.h> 32 #include <asm/arch/sys_proto.h> 33 #include <asm/arch/clk_rst.h> 34 #include <asm/arch/clock.h> 35 #include <asm/arch/funcmux.h> 36 #include <asm/arch/pinmux.h> 37 #include <asm/arch/uart.h> 38 #include <asm/arch/mmc.h> 39 #include "tamonten.h" 40 41 #ifdef CONFIG_TEGRA2_MMC 42 #include <mmc.h> 43 #endif 44 45 DECLARE_GLOBAL_DATA_PTR; 46 47 const struct tegra2_sysinfo sysinfo = { 48 CONFIG_TEGRA2_BOARD_STRING 49 }; 50 51 /* 52 * Routine: timer_init 53 * Description: init the timestamp and lastinc value 54 */ 55 int timer_init(void) 56 { 57 return 0; 58 } 59 60 #ifdef CONFIG_TEGRA2_MMC 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 { 67 funcmux_select(PERIPH_ID_SDMMC4, FUNCMUX_SDMMC4_ATB_GMA_GME_8_BIT); 68 } 69 #endif 70 71 /* 72 * Routine: board_init 73 * Description: Early hardware init. 74 */ 75 int board_init(void) 76 { 77 clock_init(); 78 clock_verify(); 79 80 /* boot param addr */ 81 gd->bd->bi_boot_params = (NV_PA_SDRAM_BASE + 0x100); 82 83 return 0; 84 } 85 86 #ifdef CONFIG_TEGRA2_MMC 87 /* this is a weak define that we are overriding */ 88 int board_mmc_init(bd_t *bd) 89 { 90 debug("board_mmc_init called\n"); 91 /* Enable muxes, etc. for SDMMC controllers */ 92 pin_mux_mmc(); 93 gpio_config_mmc(); 94 95 debug("board_mmc_init: init eMMC\n"); 96 /* init dev 0, eMMC chip, with 4-bit bus */ 97 tegra2_mmc_init(0, 4, -1, GPIO_PH2); 98 99 return 0; 100 } 101 #endif 102 103 #ifdef CONFIG_BOARD_EARLY_INIT_F 104 int board_early_init_f(void) 105 { 106 /* Initialize selected UARTs */ 107 board_init_uart_f(); 108 return 0; 109 } 110 #endif /* EARLY_INIT */ 111