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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / 0be8f203f6aba3c1fc117fd0c651c324977c4a27 / . / board / nvidia / common / board.c
blob: f23c87daf51eead1d1ad52f629d3b1cd65e46d16 [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>
Lucas Stachc0720af2012-09-29 10:02:09 +0000[diff] [blame]30#include <asm/arch/funcmux.h>
Tom Warren3f82b1d2011-01-27 10:58:05 +0000[diff] [blame]31#include <asm/arch/pinmux.h>
Simon Glass87236262012-04-02 13:18:54 +0000[diff] [blame]32#include <asm/arch/pmu.h>
Simon Glasse1ae0d12012-10-17 13:24:49 +0000[diff] [blame]33#include <asm/arch/pwm.h>
Tom Warren150c2492012-09-19 15:50:56 -0700[diff] [blame]34#include <asm/arch/tegra.h>
Simon Glassf10393e2012-02-27 10:52:50 +0000[diff] [blame]35#include <asm/arch/usb.h>
Tom Warren150c2492012-09-19 15:50:56 -0700[diff] [blame]36#include <asm/arch-tegra/board.h>
37#include <asm/arch-tegra/clk_rst.h>
38#include <asm/arch-tegra/pmc.h>
39#include <asm/arch-tegra/sys_proto.h>
40#include <asm/arch-tegra/uart.h>
41#include <asm/arch-tegra/warmboot.h>
42#include <spi.h>
Simon Glasscb445fb2012-02-03 15:13:57 +0000[diff] [blame]43#include <i2c.h>
Jimmy Zhangc5b34a22012-04-10 05:17:06 +0000[diff] [blame]44#include "emc.h"
Tom Warren3f82b1d2011-01-27 10:58:05 +0000[diff] [blame]45
46DECLARE_GLOBAL_DATA_PTR;
47
Tom Warren29f3e3f2012-09-04 17:00:24 -0700[diff] [blame]48const struct tegra_sysinfo sysinfo = {
49 CONFIG_TEGRA_BOARD_STRING
Tom Warren3f82b1d2011-01-27 10:58:05 +0000[diff] [blame]50};
51
Allen Martin45ec5b22012-08-31 08:30:08 +0000[diff] [blame]52#ifndef CONFIG_SPL_BUILD
Tom Warren3f82b1d2011-01-27 10:58:05 +0000[diff] [blame]53/*
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 +0000[diff] [blame]59 return 0;
60}
Allen Martin45ec5b22012-08-31 08:30:08 +0000[diff] [blame]61#endif
Tom Warren3f82b1d2011-01-27 10:58:05 +0000[diff] [blame]62
Simon Glassf10393e2012-02-27 10:52:50 +0000[diff] [blame]63void __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 +0000[diff] [blame]69void __pin_mux_spi(void)
70{
71}
72
73void pin_mux_spi(void) __attribute__((weak, alias("__pin_mux_spi")));
74
Lucas Stach0cd10c72012-09-25 20:21:14 +0000[diff] [blame]75void __gpio_early_init_uart(void)
76{
77}
78
79void gpio_early_init_uart(void)
80__attribute__((weak, alias("__gpio_early_init_uart")));
81
Lucas Stachc0720af2012-09-29 10:02:09 +0000[diff] [blame]82void __pin_mux_nand(void)
83{
84 funcmux_select(PERIPH_ID_NDFLASH, FUNCMUX_DEFAULT);
85}
86
87void pin_mux_nand(void) __attribute__((weak, alias("__pin_mux_nand")));
88
Tom Warrenf4ef6662011-04-14 12:09:41 +0000[diff] [blame]89/*
Wei Ni5aff0212012-04-02 13:18:58 +0000[diff] [blame]90 * Routine: power_det_init
91 * Description: turn off power detects
92 */
93static void power_det_init(void)
94{
Allen Martin00a27492012-08-31 08:30:00 +0000[diff] [blame]95#if defined(CONFIG_TEGRA20)
Tom Warren29f3e3f2012-09-04 17:00:24 -0700[diff] [blame]96 struct pmc_ctlr *const pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
Wei Ni5aff0212012-04-02 13:18:58 +0000[diff] [blame]97
98 /* turn off power detects */
99 writel(0, &pmc->pmc_pwr_det_latch);
100 writel(0, &pmc->pmc_pwr_det);
101#endif
102}
103
104/*
Tom Warren3f82b1d2011-01-27 10:58:05 +0000[diff] [blame]105 * Routine: board_init
106 * Description: Early hardware init.
107 */
108int board_init(void)
109{
Jimmy Zhangc5b34a22012-04-10 05:17:06 +0000[diff] [blame]110 __maybe_unused int err;
111
Simon Glassa04eba92011-11-05 04:46:51 +0000[diff] [blame]112 /* Do clocks and UART first so that printf() works */
Simon Glass4ed59e72011-09-21 12:40:04 +0000[diff] [blame]113 clock_init();
114 clock_verify();
115
Simon Glassa04eba92011-11-05 04:46:51 +0000[diff] [blame]116#ifdef CONFIG_SPI_UART_SWITCH
117 gpio_config_uart();
118#endif
Tom Warren1e2d7852012-06-01 08:22:14 +0000[diff] [blame]119#ifdef CONFIG_TEGRA_SPI
Stephen Warrene0284942012-06-12 08:33:40 +0000[diff] [blame]120 pin_mux_spi();
Tom Warren9112ef82011-11-05 09:48:11 +0000[diff] [blame]121 spi_init();
122#endif
Simon Glasse1ae0d12012-10-17 13:24:49 +0000[diff] [blame]123#ifdef CONFIG_PWM_TEGRA
124 if (pwm_init(gd->fdt_blob))
125 debug("%s: Failed to init pwm\n", __func__);
126#endif
Tom Warren3f82b1d2011-01-27 10:58:05 +0000[diff] [blame]127 /* boot param addr */
128 gd->bd->bi_boot_params = (NV_PA_SDRAM_BASE + 0x100);
Wei Ni5aff0212012-04-02 13:18:58 +0000[diff] [blame]129
130 power_det_init();
131
Simon Glasscb445fb2012-02-03 15:13:57 +0000[diff] [blame]132#ifdef CONFIG_TEGRA_I2C
133#ifndef CONFIG_SYS_I2C_INIT_BOARD
134#error "You must define CONFIG_SYS_I2C_INIT_BOARD to use i2c on Nvidia boards"
135#endif
136 i2c_init_board();
Simon Glass87236262012-04-02 13:18:54 +0000[diff] [blame]137# ifdef CONFIG_TEGRA_PMU
138 if (pmu_set_nominal())
139 debug("Failed to select nominal voltages\n");
Jimmy Zhangc5b34a22012-04-10 05:17:06 +0000[diff] [blame]140# ifdef CONFIG_TEGRA_CLOCK_SCALING
141 err = board_emc_init();
142 if (err)
143 debug("Memory controller init failed: %d\n", err);
144# endif
145# endif /* CONFIG_TEGRA_PMU */
146#endif /* CONFIG_TEGRA_I2C */
Tom Warren3f82b1d2011-01-27 10:58:05 +0000[diff] [blame]147
Simon Glassf10393e2012-02-27 10:52:50 +0000[diff] [blame]148#ifdef CONFIG_USB_EHCI_TEGRA
149 pin_mux_usb();
150 board_usb_init(gd->fdt_blob);
151#endif
152
Lucas Stachc0720af2012-09-29 10:02:09 +0000[diff] [blame]153#ifdef CONFIG_TEGRA_NAND
154 pin_mux_nand();
155#endif
156
Tom Warren29f3e3f2012-09-04 17:00:24 -0700[diff] [blame]157#ifdef CONFIG_TEGRA_LP0
Allen Martina49716a2012-08-31 08:30:11 +0000[diff] [blame]158 /* save Sdram params to PMC 2, 4, and 24 for WB0 */
159 warmboot_save_sdram_params();
160
Simon Glass67ac5792012-04-02 13:18:57 +0000[diff] [blame]161 /* prepare the WB code to LP0 location */
162 warmboot_prepare_code(TEGRA_LP0_ADDR, TEGRA_LP0_SIZE);
163#endif
164
Tom Warren3f82b1d2011-01-27 10:58:05 +0000[diff] [blame]165 return 0;
166}
Tom Warren21ef6a12011-05-31 10:30:37 +0000[diff] [blame]167
Simon Glass3e00dbd2011-09-21 12:40:03 +0000[diff] [blame]168#ifdef CONFIG_BOARD_EARLY_INIT_F
Thierry Redingcb7a1cf2012-06-04 20:02:27 +0000[diff] [blame]169static void __gpio_early_init(void)
170{
171}
172
173void gpio_early_init(void) __attribute__((weak, alias("__gpio_early_init")));
174
Simon Glass3e00dbd2011-09-21 12:40:03 +0000[diff] [blame]175int board_early_init_f(void)
176{
Simon Glassf46a9452011-11-28 15:04:40 +0000[diff] [blame]177 board_init_uart_f();
Simon Glass3e00dbd2011-09-21 12:40:03 +0000[diff] [blame]178
179 /* Initialize periph GPIOs */
Thierry Redingcb7a1cf2012-06-04 20:02:27 +0000[diff] [blame]180 gpio_early_init();
Simon Glassa04eba92011-11-05 04:46:51 +0000[diff] [blame]181 gpio_early_init_uart();
Lucas Stach0cd10c72012-09-25 20:21:14 +0000[diff] [blame]182
Simon Glass3e00dbd2011-09-21 12:40:03 +0000[diff] [blame]183 return 0;
184}
185#endif /* EARLY_INIT */