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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / 65530a842eeaf7ad07e0613ac6f883f2f1f1e33f / . / board / nvidia / common / board.c
blob: 8821fdfeba31e3e371603ea24b5130857f316e3b [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>
Jimmy Zhangc5b34a22012-04-10 05:17:06 +0000[diff] [blame]26#include <linux/compiler.h>
Tom Warren3f82b1d2011-01-27 10:58:05 +0000[diff] [blame]27#include <asm/io.h>
Simon Glassb4ba2be2011-08-30 06:23:13 +0000[diff] [blame]28#include <asm/arch/clock.h>
Jimmy Zhangc5b34a22012-04-10 05:17:06 +0000[diff] [blame]29#include <asm/arch/emc.h>
Tom Warren3f82b1d2011-01-27 10:58:05 +0000[diff] [blame]30#include <asm/arch/pinmux.h>
Simon Glass87236262012-04-02 13:18:54 +0000[diff] [blame]31#include <asm/arch/pmu.h>
Tom Warren150c2492012-09-19 15:50:56 -0700[diff] [blame]32#include <asm/arch/tegra.h>
Simon Glassf10393e2012-02-27 10:52:50 +0000[diff] [blame]33#include <asm/arch/usb.h>
Tom Warren150c2492012-09-19 15:50:56 -0700[diff] [blame]34#include <asm/arch-tegra/board.h>
35#include <asm/arch-tegra/clk_rst.h>
36#include <asm/arch-tegra/pmc.h>
37#include <asm/arch-tegra/sys_proto.h>
38#include <asm/arch-tegra/uart.h>
39#include <asm/arch-tegra/warmboot.h>
40#include <spi.h>
Simon Glasscb445fb2012-02-03 15:13:57 +0000[diff] [blame]41#include <i2c.h>
Tom Warren74652cf2011-04-14 12:18:06 +0000[diff] [blame]42#include "board.h"
Jimmy Zhangc5b34a22012-04-10 05:17:06 +0000[diff] [blame]43#include "emc.h"
Tom Warren3f82b1d2011-01-27 10:58:05 +0000[diff] [blame]44
45DECLARE_GLOBAL_DATA_PTR;
46
Tom Warren29f3e3f2012-09-04 17:00:24 -0700[diff] [blame]47const struct tegra_sysinfo sysinfo = {
48 CONFIG_TEGRA_BOARD_STRING
Tom Warren3f82b1d2011-01-27 10:58:05 +0000[diff] [blame]49};
50
Allen Martin45ec5b22012-08-31 08:30:08 +0000[diff] [blame]51#ifndef CONFIG_SPL_BUILD
Tom Warren3f82b1d2011-01-27 10:58:05 +0000[diff] [blame]52/*
53 * Routine: timer_init
54 * Description: init the timestamp and lastinc value
55 */
56int timer_init(void)
57{
Tom Warren3f82b1d2011-01-27 10:58:05 +0000[diff] [blame]58 return 0;
59}
Allen Martin45ec5b22012-08-31 08:30:08 +0000[diff] [blame]60#endif
Tom Warren3f82b1d2011-01-27 10:58:05 +0000[diff] [blame]61
Simon Glassf10393e2012-02-27 10:52:50 +0000[diff] [blame]62void __pin_mux_usb(void)
63{
64}
65
66void pin_mux_usb(void) __attribute__((weak, alias("__pin_mux_usb")));
67
Stephen Warrene0284942012-06-12 08:33:40 +0000[diff] [blame]68void __pin_mux_spi(void)
69{
70}
71
72void pin_mux_spi(void) __attribute__((weak, alias("__pin_mux_spi")));
73
Tom Warrenf4ef6662011-04-14 12:09:41 +0000[diff] [blame]74/*
Wei Ni5aff0212012-04-02 13:18:58 +0000[diff] [blame]75 * Routine: power_det_init
76 * Description: turn off power detects
77 */
78static void power_det_init(void)
79{
Allen Martin00a27492012-08-31 08:30:00 +0000[diff] [blame]80#if defined(CONFIG_TEGRA20)
Tom Warren29f3e3f2012-09-04 17:00:24 -0700[diff] [blame]81 struct pmc_ctlr *const pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
Wei Ni5aff0212012-04-02 13:18:58 +0000[diff] [blame]82
83 /* turn off power detects */
84 writel(0, &pmc->pmc_pwr_det_latch);
85 writel(0, &pmc->pmc_pwr_det);
86#endif
87}
88
89/*
Tom Warren3f82b1d2011-01-27 10:58:05 +0000[diff] [blame]90 * Routine: board_init
91 * Description: Early hardware init.
92 */
93int board_init(void)
94{
Jimmy Zhangc5b34a22012-04-10 05:17:06 +0000[diff] [blame]95 __maybe_unused int err;
96
Simon Glassa04eba92011-11-05 04:46:51 +0000[diff] [blame]97 /* Do clocks and UART first so that printf() works */
Simon Glass4ed59e72011-09-21 12:40:04 +0000[diff] [blame]98 clock_init();
99 clock_verify();
100
Simon Glassa04eba92011-11-05 04:46:51 +0000[diff] [blame]101#ifdef CONFIG_SPI_UART_SWITCH
102 gpio_config_uart();
103#endif
Tom Warren1e2d7852012-06-01 08:22:14 +0000[diff] [blame]104#ifdef CONFIG_TEGRA_SPI
Stephen Warrene0284942012-06-12 08:33:40 +0000[diff] [blame]105 pin_mux_spi();
Tom Warren9112ef82011-11-05 09:48:11 +0000[diff] [blame]106 spi_init();
107#endif
Tom Warren3f82b1d2011-01-27 10:58:05 +0000[diff] [blame]108 /* boot param addr */
109 gd->bd->bi_boot_params = (NV_PA_SDRAM_BASE + 0x100);
Wei Ni5aff0212012-04-02 13:18:58 +0000[diff] [blame]110
111 power_det_init();
112
Simon Glasscb445fb2012-02-03 15:13:57 +0000[diff] [blame]113#ifdef CONFIG_TEGRA_I2C
114#ifndef CONFIG_SYS_I2C_INIT_BOARD
115#error "You must define CONFIG_SYS_I2C_INIT_BOARD to use i2c on Nvidia boards"
116#endif
117 i2c_init_board();
Simon Glass87236262012-04-02 13:18:54 +0000[diff] [blame]118# ifdef CONFIG_TEGRA_PMU
119 if (pmu_set_nominal())
120 debug("Failed to select nominal voltages\n");
Jimmy Zhangc5b34a22012-04-10 05:17:06 +0000[diff] [blame]121# ifdef CONFIG_TEGRA_CLOCK_SCALING
122 err = board_emc_init();
123 if (err)
124 debug("Memory controller init failed: %d\n", err);
125# endif
126# endif /* CONFIG_TEGRA_PMU */
127#endif /* CONFIG_TEGRA_I2C */
Tom Warren3f82b1d2011-01-27 10:58:05 +0000[diff] [blame]128
Simon Glassf10393e2012-02-27 10:52:50 +0000[diff] [blame]129#ifdef CONFIG_USB_EHCI_TEGRA
130 pin_mux_usb();
131 board_usb_init(gd->fdt_blob);
132#endif
133
Tom Warren29f3e3f2012-09-04 17:00:24 -0700[diff] [blame]134#ifdef CONFIG_TEGRA_LP0
Allen Martina49716a2012-08-31 08:30:11 +0000[diff] [blame]135 /* save Sdram params to PMC 2, 4, and 24 for WB0 */
136 warmboot_save_sdram_params();
137
Simon Glass67ac5792012-04-02 13:18:57 +0000[diff] [blame]138 /* prepare the WB code to LP0 location */
139 warmboot_prepare_code(TEGRA_LP0_ADDR, TEGRA_LP0_SIZE);
140#endif
141
Tom Warren3f82b1d2011-01-27 10:58:05 +0000[diff] [blame]142 return 0;
143}
Tom Warren21ef6a12011-05-31 10:30:37 +0000[diff] [blame]144
Simon Glass3e00dbd2011-09-21 12:40:03 +0000[diff] [blame]145#ifdef CONFIG_BOARD_EARLY_INIT_F
Thierry Redingcb7a1cf2012-06-04 20:02:27 +0000[diff] [blame]146static void __gpio_early_init(void)
147{
148}
149
150void gpio_early_init(void) __attribute__((weak, alias("__gpio_early_init")));
151
Simon Glass3e00dbd2011-09-21 12:40:03 +0000[diff] [blame]152int board_early_init_f(void)
153{
Simon Glassf46a9452011-11-28 15:04:40 +0000[diff] [blame]154 board_init_uart_f();
Simon Glass3e00dbd2011-09-21 12:40:03 +0000[diff] [blame]155
156 /* Initialize periph GPIOs */
Thierry Redingcb7a1cf2012-06-04 20:02:27 +0000[diff] [blame]157 gpio_early_init();
Simon Glassa04eba92011-11-05 04:46:51 +0000[diff] [blame]158#ifdef CONFIG_SPI_UART_SWITCH
159 gpio_early_init_uart();
160#else
Simon Glass3e00dbd2011-09-21 12:40:03 +0000[diff] [blame]161 gpio_config_uart();
Simon Glassa04eba92011-11-05 04:46:51 +0000[diff] [blame]162#endif
Simon Glass3e00dbd2011-09-21 12:40:03 +0000[diff] [blame]163 return 0;
164}
165#endif /* EARLY_INIT */