blob: 6753f950f7520477a30a762c5e0c7001d128d274 [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>
Allen Martin00a27492012-08-31 08:30:00 +000028#include <asm/arch/tegra20.h>
Tom Warren3f82b1d2011-01-27 10:58:05 +000029#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
Allen Martin00a27492012-08-31 08:30:00 +000048const struct tegra20_sysinfo sysinfo = {
49 CONFIG_TEGRA20_BOARD_STRING
Tom Warren3f82b1d2011-01-27 10:58:05 +000050};
51
Allen Martin45ec5b22012-08-31 08:30:08 +000052#ifndef CONFIG_SPL_BUILD
Tom Warren3f82b1d2011-01-27 10:58:05 +000053/*
54 * Routine: timer_init
55 * Description: init the timestamp and lastinc value
56 */
57int timer_init(void)
58{
Tom Warren3f82b1d2011-01-27 10:58:05 +000059 return 0;
60}
Allen Martin45ec5b22012-08-31 08:30:08 +000061#endif
Tom Warren3f82b1d2011-01-27 10:58:05 +000062
Simon Glassf10393e2012-02-27 10:52:50 +000063void __pin_mux_usb(void)
64{
65}
66
67void pin_mux_usb(void) __attribute__((weak, alias("__pin_mux_usb")));
68
Stephen Warrene0284942012-06-12 08:33:40 +000069void __pin_mux_spi(void)
70{
71}
72
73void pin_mux_spi(void) __attribute__((weak, alias("__pin_mux_spi")));
74
Tom Warrenf4ef6662011-04-14 12:09:41 +000075/*
Wei Ni5aff0212012-04-02 13:18:58 +000076 * Routine: power_det_init
77 * Description: turn off power detects
78 */
79static void power_det_init(void)
80{
Allen Martin00a27492012-08-31 08:30:00 +000081#if defined(CONFIG_TEGRA20)
82 struct pmc_ctlr *const pmc = (struct pmc_ctlr *)TEGRA20_PMC_BASE;
Wei Ni5aff0212012-04-02 13:18:58 +000083
84 /* turn off power detects */
85 writel(0, &pmc->pmc_pwr_det_latch);
86 writel(0, &pmc->pmc_pwr_det);
87#endif
88}
89
90/*
Tom Warren3f82b1d2011-01-27 10:58:05 +000091 * Routine: board_init
92 * Description: Early hardware init.
93 */
94int board_init(void)
95{
Jimmy Zhangc5b34a22012-04-10 05:17:06 +000096 __maybe_unused int err;
97
Simon Glassa04eba92011-11-05 04:46:51 +000098 /* Do clocks and UART first so that printf() works */
Simon Glass4ed59e72011-09-21 12:40:04 +000099 clock_init();
100 clock_verify();
101
Simon Glassa04eba92011-11-05 04:46:51 +0000102#ifdef CONFIG_SPI_UART_SWITCH
103 gpio_config_uart();
104#endif
Tom Warren1e2d7852012-06-01 08:22:14 +0000105#ifdef CONFIG_TEGRA_SPI
Stephen Warrene0284942012-06-12 08:33:40 +0000106 pin_mux_spi();
Tom Warren9112ef82011-11-05 09:48:11 +0000107 spi_init();
108#endif
Tom Warren3f82b1d2011-01-27 10:58:05 +0000109 /* boot param addr */
110 gd->bd->bi_boot_params = (NV_PA_SDRAM_BASE + 0x100);
Wei Ni5aff0212012-04-02 13:18:58 +0000111
112 power_det_init();
113
Simon Glasscb445fb2012-02-03 15:13:57 +0000114#ifdef CONFIG_TEGRA_I2C
115#ifndef CONFIG_SYS_I2C_INIT_BOARD
116#error "You must define CONFIG_SYS_I2C_INIT_BOARD to use i2c on Nvidia boards"
117#endif
118 i2c_init_board();
Simon Glass87236262012-04-02 13:18:54 +0000119# ifdef CONFIG_TEGRA_PMU
120 if (pmu_set_nominal())
121 debug("Failed to select nominal voltages\n");
Jimmy Zhangc5b34a22012-04-10 05:17:06 +0000122# ifdef CONFIG_TEGRA_CLOCK_SCALING
123 err = board_emc_init();
124 if (err)
125 debug("Memory controller init failed: %d\n", err);
126# endif
127# endif /* CONFIG_TEGRA_PMU */
128#endif /* CONFIG_TEGRA_I2C */
Tom Warren3f82b1d2011-01-27 10:58:05 +0000129
Simon Glassf10393e2012-02-27 10:52:50 +0000130#ifdef CONFIG_USB_EHCI_TEGRA
131 pin_mux_usb();
132 board_usb_init(gd->fdt_blob);
133#endif
134
Allen Martin00a27492012-08-31 08:30:00 +0000135#ifdef CONFIG_TEGRA20_LP0
Simon Glass67ac5792012-04-02 13:18:57 +0000136 /* prepare the WB code to LP0 location */
137 warmboot_prepare_code(TEGRA_LP0_ADDR, TEGRA_LP0_SIZE);
138#endif
139
Tom Warren3f82b1d2011-01-27 10:58:05 +0000140 return 0;
141}
Tom Warren21ef6a12011-05-31 10:30:37 +0000142
Simon Glass3e00dbd2011-09-21 12:40:03 +0000143#ifdef CONFIG_BOARD_EARLY_INIT_F
Thierry Redingcb7a1cf2012-06-04 20:02:27 +0000144static void __gpio_early_init(void)
145{
146}
147
148void gpio_early_init(void) __attribute__((weak, alias("__gpio_early_init")));
149
Simon Glass3e00dbd2011-09-21 12:40:03 +0000150int board_early_init_f(void)
151{
Simon Glassf46a9452011-11-28 15:04:40 +0000152 board_init_uart_f();
Simon Glass3e00dbd2011-09-21 12:40:03 +0000153
154 /* Initialize periph GPIOs */
Thierry Redingcb7a1cf2012-06-04 20:02:27 +0000155 gpio_early_init();
Simon Glassa04eba92011-11-05 04:46:51 +0000156#ifdef CONFIG_SPI_UART_SWITCH
157 gpio_early_init_uart();
158#else
Simon Glass3e00dbd2011-09-21 12:40:03 +0000159 gpio_config_uart();
Simon Glassa04eba92011-11-05 04:46:51 +0000160#endif
Simon Glass3e00dbd2011-09-21 12:40:03 +0000161 return 0;
162}
163#endif /* EARLY_INIT */