blob: a159deb675109d68e18631f855b55d619881f128 [file] [log] [blame]
Tom Warren3f82b1d2011-01-27 10:58:05 +00001/*
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 +000026#include <linux/compiler.h>
Tom Warren3f82b1d2011-01-27 10:58:05 +000027#include <asm/io.h>
28#include <asm/arch/tegra2.h>
29#include <asm/arch/sys_proto.h>
30
Simon Glassf46a9452011-11-28 15:04:40 +000031#include <asm/arch/board.h>
Tom Warren3f82b1d2011-01-27 10:58:05 +000032#include <asm/arch/clk_rst.h>
Simon Glassb4ba2be2011-08-30 06:23:13 +000033#include <asm/arch/clock.h>
Jimmy Zhangc5b34a22012-04-10 05:17:06 +000034#include <asm/arch/emc.h>
Tom Warren3f82b1d2011-01-27 10:58:05 +000035#include <asm/arch/pinmux.h>
Simon Glass87236262012-04-02 13:18:54 +000036#include <asm/arch/pmc.h>
37#include <asm/arch/pmu.h>
Tom Warren3f82b1d2011-01-27 10:58:05 +000038#include <asm/arch/uart.h>
Simon Glass67ac5792012-04-02 13:18:57 +000039#include <asm/arch/warmboot.h>
Tom Warren9112ef82011-11-05 09:48:11 +000040#include <spi.h>
Simon Glassf10393e2012-02-27 10:52:50 +000041#include <asm/arch/usb.h>
Simon Glasscb445fb2012-02-03 15:13:57 +000042#include <i2c.h>
Tom Warren74652cf2011-04-14 12:18:06 +000043#include "board.h"
Jimmy Zhangc5b34a22012-04-10 05:17:06 +000044#include "emc.h"
Tom Warren3f82b1d2011-01-27 10:58:05 +000045
46DECLARE_GLOBAL_DATA_PTR;
47
48const struct tegra2_sysinfo sysinfo = {
49 CONFIG_TEGRA2_BOARD_STRING
50};
51
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 +000058 return 0;
59}
60
Simon Glassf10393e2012-02-27 10:52:50 +000061void __pin_mux_usb(void)
62{
63}
64
65void pin_mux_usb(void) __attribute__((weak, alias("__pin_mux_usb")));
66
Tom Warrenf4ef6662011-04-14 12:09:41 +000067/*
Wei Ni5aff0212012-04-02 13:18:58 +000068 * Routine: power_det_init
69 * Description: turn off power detects
70 */
71static void power_det_init(void)
72{
73#if defined(CONFIG_TEGRA2)
74 struct pmc_ctlr *const pmc = (struct pmc_ctlr *)TEGRA2_PMC_BASE;
75
76 /* turn off power detects */
77 writel(0, &pmc->pmc_pwr_det_latch);
78 writel(0, &pmc->pmc_pwr_det);
79#endif
80}
81
82/*
Tom Warren3f82b1d2011-01-27 10:58:05 +000083 * Routine: board_init
84 * Description: Early hardware init.
85 */
86int board_init(void)
87{
Jimmy Zhangc5b34a22012-04-10 05:17:06 +000088 __maybe_unused int err;
89
Simon Glassa04eba92011-11-05 04:46:51 +000090 /* Do clocks and UART first so that printf() works */
Simon Glass4ed59e72011-09-21 12:40:04 +000091 clock_init();
92 clock_verify();
93
Simon Glassa04eba92011-11-05 04:46:51 +000094#ifdef CONFIG_SPI_UART_SWITCH
95 gpio_config_uart();
96#endif
Tom Warren9112ef82011-11-05 09:48:11 +000097#ifdef CONFIG_TEGRA2_SPI
98 spi_init();
99#endif
Tom Warren3f82b1d2011-01-27 10:58:05 +0000100 /* boot param addr */
101 gd->bd->bi_boot_params = (NV_PA_SDRAM_BASE + 0x100);
Wei Ni5aff0212012-04-02 13:18:58 +0000102
103 power_det_init();
104
Simon Glasscb445fb2012-02-03 15:13:57 +0000105#ifdef CONFIG_TEGRA_I2C
106#ifndef CONFIG_SYS_I2C_INIT_BOARD
107#error "You must define CONFIG_SYS_I2C_INIT_BOARD to use i2c on Nvidia boards"
108#endif
109 i2c_init_board();
Simon Glass87236262012-04-02 13:18:54 +0000110# ifdef CONFIG_TEGRA_PMU
111 if (pmu_set_nominal())
112 debug("Failed to select nominal voltages\n");
Jimmy Zhangc5b34a22012-04-10 05:17:06 +0000113# ifdef CONFIG_TEGRA_CLOCK_SCALING
114 err = board_emc_init();
115 if (err)
116 debug("Memory controller init failed: %d\n", err);
117# endif
118# endif /* CONFIG_TEGRA_PMU */
119#endif /* CONFIG_TEGRA_I2C */
Tom Warren3f82b1d2011-01-27 10:58:05 +0000120
Simon Glassf10393e2012-02-27 10:52:50 +0000121#ifdef CONFIG_USB_EHCI_TEGRA
122 pin_mux_usb();
123 board_usb_init(gd->fdt_blob);
124#endif
125
Simon Glass67ac5792012-04-02 13:18:57 +0000126#ifdef CONFIG_TEGRA2_LP0
127 /* prepare the WB code to LP0 location */
128 warmboot_prepare_code(TEGRA_LP0_ADDR, TEGRA_LP0_SIZE);
129#endif
130
Tom Warren3f82b1d2011-01-27 10:58:05 +0000131 return 0;
132}
Tom Warren21ef6a12011-05-31 10:30:37 +0000133
Simon Glass3e00dbd2011-09-21 12:40:03 +0000134#ifdef CONFIG_BOARD_EARLY_INIT_F
Thierry Redingcb7a1cf2012-06-04 20:02:27 +0000135static void __gpio_early_init(void)
136{
137}
138
139void gpio_early_init(void) __attribute__((weak, alias("__gpio_early_init")));
140
Simon Glass3e00dbd2011-09-21 12:40:03 +0000141int board_early_init_f(void)
142{
Simon Glassf46a9452011-11-28 15:04:40 +0000143 board_init_uart_f();
Simon Glass3e00dbd2011-09-21 12:40:03 +0000144
145 /* Initialize periph GPIOs */
Thierry Redingcb7a1cf2012-06-04 20:02:27 +0000146 gpio_early_init();
Simon Glassa04eba92011-11-05 04:46:51 +0000147#ifdef CONFIG_SPI_UART_SWITCH
148 gpio_early_init_uart();
149#else
Simon Glass3e00dbd2011-09-21 12:40:03 +0000150 gpio_config_uart();
Simon Glassa04eba92011-11-05 04:46:51 +0000151#endif
Simon Glass3e00dbd2011-09-21 12:40:03 +0000152 return 0;
153}
154#endif /* EARLY_INIT */