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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / 67ac5797adb1fad3b027058100cd6fa58c5b6cb6 / . / board / nvidia / common / board.c
blob: b82e61a692b8cdd0917b9cabca0c90d5c58343c4 [file] [log] [blame]
Tom Warren3f82b1d2011-01-27 10:58:05 +0000[diff] [blame]1/*
2 * (C) Copyright 2010,2011
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 <ns16550.h>
26#include <asm/io.h>
27#include <asm/arch/tegra2.h>
28#include <asm/arch/sys_proto.h>
29
Simon Glassf46a9452011-11-28 15:04:40 +0000[diff] [blame]30#include <asm/arch/board.h>
Tom Warren3f82b1d2011-01-27 10:58:05 +0000[diff] [blame]31#include <asm/arch/clk_rst.h>
Simon Glassb4ba2be2011-08-30 06:23:13 +0000[diff] [blame]32#include <asm/arch/clock.h>
Tom Warren3f82b1d2011-01-27 10:58:05 +0000[diff] [blame]33#include <asm/arch/pinmux.h>
Simon Glass87236262012-04-02 13:18:54 +0000[diff] [blame]34#include <asm/arch/pmc.h>
35#include <asm/arch/pmu.h>
Tom Warren3f82b1d2011-01-27 10:58:05 +0000[diff] [blame]36#include <asm/arch/uart.h>
Simon Glass67ac5792012-04-02 13:18:57 +0000[diff] [blame^]37#include <asm/arch/warmboot.h>
Tom Warren9112ef82011-11-05 09:48:11 +0000[diff] [blame]38#include <spi.h>
Simon Glassf10393e2012-02-27 10:52:50 +0000[diff] [blame]39#include <asm/arch/usb.h>
Simon Glasscb445fb2012-02-03 15:13:57 +0000[diff] [blame]40#include <i2c.h>
Tom Warren74652cf2011-04-14 12:18:06 +0000[diff] [blame]41#include "board.h"
Tom Warren3f82b1d2011-01-27 10:58:05 +0000[diff] [blame]42
43DECLARE_GLOBAL_DATA_PTR;
44
45const struct tegra2_sysinfo sysinfo = {
46 CONFIG_TEGRA2_BOARD_STRING
47};
48
49/*
50 * Routine: timer_init
51 * Description: init the timestamp and lastinc value
52 */
53int timer_init(void)
54{
Tom Warren3f82b1d2011-01-27 10:58:05 +0000[diff] [blame]55 return 0;
56}
57
Simon Glassf10393e2012-02-27 10:52:50 +0000[diff] [blame]58void __pin_mux_usb(void)
59{
60}
61
62void pin_mux_usb(void) __attribute__((weak, alias("__pin_mux_usb")));
63
Tom Warrenf4ef6662011-04-14 12:09:41 +0000[diff] [blame]64/*
Tom Warren3f82b1d2011-01-27 10:58:05 +0000[diff] [blame]65 * Routine: board_init
66 * Description: Early hardware init.
67 */
68int board_init(void)
69{
Simon Glassa04eba92011-11-05 04:46:51 +0000[diff] [blame]70 /* Do clocks and UART first so that printf() works */
Simon Glass4ed59e72011-09-21 12:40:04 +0000[diff] [blame]71 clock_init();
72 clock_verify();
73
Simon Glassa04eba92011-11-05 04:46:51 +0000[diff] [blame]74#ifdef CONFIG_SPI_UART_SWITCH
75 gpio_config_uart();
76#endif
Tom Warren9112ef82011-11-05 09:48:11 +0000[diff] [blame]77#ifdef CONFIG_TEGRA2_SPI
78 spi_init();
79#endif
Tom Warren3f82b1d2011-01-27 10:58:05 +0000[diff] [blame]80 /* boot param addr */
81 gd->bd->bi_boot_params = (NV_PA_SDRAM_BASE + 0x100);
Simon Glasscb445fb2012-02-03 15:13:57 +0000[diff] [blame]82#ifdef CONFIG_TEGRA_I2C
83#ifndef CONFIG_SYS_I2C_INIT_BOARD
84#error "You must define CONFIG_SYS_I2C_INIT_BOARD to use i2c on Nvidia boards"
85#endif
86 i2c_init_board();
Simon Glass87236262012-04-02 13:18:54 +0000[diff] [blame]87# ifdef CONFIG_TEGRA_PMU
88 if (pmu_set_nominal())
89 debug("Failed to select nominal voltages\n");
90# endif
Simon Glasscb445fb2012-02-03 15:13:57 +0000[diff] [blame]91#endif
Tom Warren3f82b1d2011-01-27 10:58:05 +0000[diff] [blame]92
Simon Glassf10393e2012-02-27 10:52:50 +0000[diff] [blame]93#ifdef CONFIG_USB_EHCI_TEGRA
94 pin_mux_usb();
95 board_usb_init(gd->fdt_blob);
96#endif
97
Simon Glass67ac5792012-04-02 13:18:57 +0000[diff] [blame^]98#ifdef CONFIG_TEGRA2_LP0
99 /* prepare the WB code to LP0 location */
100 warmboot_prepare_code(TEGRA_LP0_ADDR, TEGRA_LP0_SIZE);
101#endif
102
Tom Warren3f82b1d2011-01-27 10:58:05 +0000[diff] [blame]103 return 0;
104}
Tom Warren21ef6a12011-05-31 10:30:37 +0000[diff] [blame]105
Simon Glass3e00dbd2011-09-21 12:40:03 +0000[diff] [blame]106#ifdef CONFIG_BOARD_EARLY_INIT_F
107int board_early_init_f(void)
108{
Simon Glassf46a9452011-11-28 15:04:40 +0000[diff] [blame]109 board_init_uart_f();
Simon Glass3e00dbd2011-09-21 12:40:03 +0000[diff] [blame]110
111 /* Initialize periph GPIOs */
Simon Glassa04eba92011-11-05 04:46:51 +0000[diff] [blame]112#ifdef CONFIG_SPI_UART_SWITCH
113 gpio_early_init_uart();
114#else
Simon Glass3e00dbd2011-09-21 12:40:03 +0000[diff] [blame]115 gpio_config_uart();
Simon Glassa04eba92011-11-05 04:46:51 +0000[diff] [blame]116#endif
Simon Glass3e00dbd2011-09-21 12:40:03 +0000[diff] [blame]117 return 0;
118}
119#endif /* EARLY_INIT */