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/pinmux.h> 36 #include <asm/arch/uart.h> 37 #include <asm/arch/mmc.h> 38 #include "tamonten.h" 39 40 #ifdef CONFIG_TEGRA2_MMC 41 #include <mmc.h> 42 #endif 43 44 DECLARE_GLOBAL_DATA_PTR; 45 46 const struct tegra2_sysinfo sysinfo = { 47 CONFIG_TEGRA2_BOARD_STRING 48 }; 49 50 /* 51 * Routine: timer_init 52 * Description: init the timestamp and lastinc value 53 */ 54 int timer_init(void) 55 { 56 return 0; 57 } 58 59 #ifdef CONFIG_TEGRA2_MMC 60 /* 61 * Routine: pin_mux_mmc 62 * Description: setup the pin muxes/tristate values for the SDMMC(s) 63 */ 64 static void pin_mux_mmc(void) 65 { 66 /* SDMMC4: config 3, x8 on 2nd set of pins */ 67 pinmux_set_func(PINGRP_ATB, PMUX_FUNC_SDIO4); 68 pinmux_set_func(PINGRP_GMA, PMUX_FUNC_SDIO4); 69 pinmux_set_func(PINGRP_GME, PMUX_FUNC_SDIO4); 70 71 pinmux_tristate_disable(PINGRP_ATB); 72 pinmux_tristate_disable(PINGRP_GMA); 73 pinmux_tristate_disable(PINGRP_GME); 74 } 75 #endif 76 77 /* 78 * Routine: board_init 79 * Description: Early hardware init. 80 */ 81 int board_init(void) 82 { 83 clock_init(); 84 clock_verify(); 85 86 /* boot param addr */ 87 gd->bd->bi_boot_params = (NV_PA_SDRAM_BASE + 0x100); 88 89 return 0; 90 } 91 92 #ifdef CONFIG_TEGRA2_MMC 93 /* this is a weak define that we are overriding */ 94 int board_mmc_init(bd_t *bd) 95 { 96 debug("board_mmc_init called\n"); 97 /* Enable muxes, etc. for SDMMC controllers */ 98 pin_mux_mmc(); 99 gpio_config_mmc(); 100 101 debug("board_mmc_init: init eMMC\n"); 102 /* init dev 0, eMMC chip, with 4-bit bus */ 103 tegra2_mmc_init(0, 4, -1, GPIO_PH2); 104 105 return 0; 106 } 107 #endif 108 109 #ifdef CONFIG_BOARD_EARLY_INIT_F 110 int board_early_init_f(void) 111 { 112 /* Initialize selected UARTs */ 113 board_init_uart_f(); 114 return 0; 115 } 116 #endif /* EARLY_INIT */ 117