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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>
Simon Glassb4ba2be2011-08-30 06:23:13 +000028#include <asm/arch/clock.h>
Tom Warren6d6c0ba2012-12-11 13:34:17 +000029#ifdef CONFIG_LCD
Simon Glass1b24a502012-10-17 13:24:52 +000030#include <asm/arch/display.h>
Tom Warren6d6c0ba2012-12-11 13:34:17 +000031#endif
Lucas Stachc0720af2012-09-29 10:02:09 +000032#include <asm/arch/funcmux.h>
Tom Warren3f82b1d2011-01-27 10:58:05 +000033#include <asm/arch/pinmux.h>
Simon Glass87236262012-04-02 13:18:54 +000034#include <asm/arch/pmu.h>
Tom Warren6d6c0ba2012-12-11 13:34:17 +000035#ifdef CONFIG_PWM_TEGRA
Simon Glasse1ae0d12012-10-17 13:24:49 +000036#include <asm/arch/pwm.h>
Tom Warren6d6c0ba2012-12-11 13:34:17 +000037#endif
Tom Warren150c2492012-09-19 15:50:56 -070038#include <asm/arch/tegra.h>
Tom Warren150c2492012-09-19 15:50:56 -070039#include <asm/arch-tegra/board.h>
40#include <asm/arch-tegra/clk_rst.h>
41#include <asm/arch-tegra/pmc.h>
42#include <asm/arch-tegra/sys_proto.h>
43#include <asm/arch-tegra/uart.h>
44#include <asm/arch-tegra/warmboot.h>
Tom Warren6d6c0ba2012-12-11 13:34:17 +000045#ifdef CONFIG_TEGRA_CLOCK_SCALING
46#include <asm/arch/emc.h>
47#endif
48#ifdef CONFIG_USB_EHCI_TEGRA
Lucas Stach7ae18f32013-02-07 07:16:29 +000049#include <asm/arch-tegra/usb.h>
Tom Warren6d6c0ba2012-12-11 13:34:17 +000050#endif
Simon Glasscb445fb2012-02-03 15:13:57 +000051#include <i2c.h>
Tom Warren6d6c0ba2012-12-11 13:34:17 +000052#include <spi.h>
Jimmy Zhangc5b34a22012-04-10 05:17:06 +000053#include "emc.h"
Tom Warren3f82b1d2011-01-27 10:58:05 +000054
55DECLARE_GLOBAL_DATA_PTR;
56
Tom Warren29f3e3f2012-09-04 17:00:24 -070057const struct tegra_sysinfo sysinfo = {
58 CONFIG_TEGRA_BOARD_STRING
Tom Warren3f82b1d2011-01-27 10:58:05 +000059};
60
Allen Martin45ec5b22012-08-31 08:30:08 +000061#ifndef CONFIG_SPL_BUILD
Tom Warren3f82b1d2011-01-27 10:58:05 +000062/*
63 * Routine: timer_init
64 * Description: init the timestamp and lastinc value
65 */
66int timer_init(void)
67{
Tom Warren3f82b1d2011-01-27 10:58:05 +000068 return 0;
69}
Allen Martin45ec5b22012-08-31 08:30:08 +000070#endif
Tom Warren3f82b1d2011-01-27 10:58:05 +000071
Simon Glassf10393e2012-02-27 10:52:50 +000072void __pin_mux_usb(void)
73{
74}
75
76void pin_mux_usb(void) __attribute__((weak, alias("__pin_mux_usb")));
77
Stephen Warrene0284942012-06-12 08:33:40 +000078void __pin_mux_spi(void)
79{
80}
81
82void pin_mux_spi(void) __attribute__((weak, alias("__pin_mux_spi")));
83
Lucas Stach0cd10c72012-09-25 20:21:14 +000084void __gpio_early_init_uart(void)
85{
86}
87
88void gpio_early_init_uart(void)
89__attribute__((weak, alias("__gpio_early_init_uart")));
90
Lucas Stachc0720af2012-09-29 10:02:09 +000091void __pin_mux_nand(void)
92{
93 funcmux_select(PERIPH_ID_NDFLASH, FUNCMUX_DEFAULT);
94}
95
96void pin_mux_nand(void) __attribute__((weak, alias("__pin_mux_nand")));
97
Marc Dietrich716d9432012-11-25 11:26:11 +000098void __pin_mux_display(void)
99{
100}
101
102void pin_mux_display(void) __attribute__((weak, alias("__pin_mux_display")));
103
Tom Warrenf4ef6662011-04-14 12:09:41 +0000104/*
Wei Ni5aff0212012-04-02 13:18:58 +0000105 * Routine: power_det_init
106 * Description: turn off power detects
107 */
108static void power_det_init(void)
109{
Allen Martin00a27492012-08-31 08:30:00 +0000110#if defined(CONFIG_TEGRA20)
Tom Warren29f3e3f2012-09-04 17:00:24 -0700111 struct pmc_ctlr *const pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
Wei Ni5aff0212012-04-02 13:18:58 +0000112
113 /* turn off power detects */
114 writel(0, &pmc->pmc_pwr_det_latch);
115 writel(0, &pmc->pmc_pwr_det);
116#endif
117}
118
119/*
Tom Warren3f82b1d2011-01-27 10:58:05 +0000120 * Routine: board_init
121 * Description: Early hardware init.
122 */
123int board_init(void)
124{
Jimmy Zhangc5b34a22012-04-10 05:17:06 +0000125 __maybe_unused int err;
126
Simon Glassa04eba92011-11-05 04:46:51 +0000127 /* Do clocks and UART first so that printf() works */
Simon Glass4ed59e72011-09-21 12:40:04 +0000128 clock_init();
129 clock_verify();
130
Simon Glassa04eba92011-11-05 04:46:51 +0000131#ifdef CONFIG_SPI_UART_SWITCH
132 gpio_config_uart();
133#endif
Allen Martinb19f5742013-01-29 13:51:28 +0000134#if defined(CONFIG_TEGRA_SPI) || defined(CONFIG_TEGRA_SLINK)
Stephen Warrene0284942012-06-12 08:33:40 +0000135 pin_mux_spi();
Tom Warren9112ef82011-11-05 09:48:11 +0000136 spi_init();
137#endif
Allen Martinb19f5742013-01-29 13:51:28 +0000138
Simon Glasse1ae0d12012-10-17 13:24:49 +0000139#ifdef CONFIG_PWM_TEGRA
140 if (pwm_init(gd->fdt_blob))
141 debug("%s: Failed to init pwm\n", __func__);
142#endif
Simon Glass1b24a502012-10-17 13:24:52 +0000143#ifdef CONFIG_LCD
Marc Dietrich716d9432012-11-25 11:26:11 +0000144 pin_mux_display();
Simon Glass1b24a502012-10-17 13:24:52 +0000145 tegra_lcd_check_next_stage(gd->fdt_blob, 0);
146#endif
Tom Warren3f82b1d2011-01-27 10:58:05 +0000147 /* boot param addr */
148 gd->bd->bi_boot_params = (NV_PA_SDRAM_BASE + 0x100);
Wei Ni5aff0212012-04-02 13:18:58 +0000149
150 power_det_init();
151
Simon Glasscb445fb2012-02-03 15:13:57 +0000152#ifdef CONFIG_TEGRA_I2C
153#ifndef CONFIG_SYS_I2C_INIT_BOARD
154#error "You must define CONFIG_SYS_I2C_INIT_BOARD to use i2c on Nvidia boards"
155#endif
156 i2c_init_board();
Simon Glass87236262012-04-02 13:18:54 +0000157# ifdef CONFIG_TEGRA_PMU
158 if (pmu_set_nominal())
159 debug("Failed to select nominal voltages\n");
Jimmy Zhangc5b34a22012-04-10 05:17:06 +0000160# ifdef CONFIG_TEGRA_CLOCK_SCALING
161 err = board_emc_init();
162 if (err)
163 debug("Memory controller init failed: %d\n", err);
164# endif
165# endif /* CONFIG_TEGRA_PMU */
166#endif /* CONFIG_TEGRA_I2C */
Tom Warren3f82b1d2011-01-27 10:58:05 +0000167
Simon Glassf10393e2012-02-27 10:52:50 +0000168#ifdef CONFIG_USB_EHCI_TEGRA
169 pin_mux_usb();
170 board_usb_init(gd->fdt_blob);
171#endif
Simon Glass1b24a502012-10-17 13:24:52 +0000172#ifdef CONFIG_LCD
173 tegra_lcd_check_next_stage(gd->fdt_blob, 0);
174#endif
Simon Glassf10393e2012-02-27 10:52:50 +0000175
Lucas Stachc0720af2012-09-29 10:02:09 +0000176#ifdef CONFIG_TEGRA_NAND
177 pin_mux_nand();
178#endif
179
Tom Warren29f3e3f2012-09-04 17:00:24 -0700180#ifdef CONFIG_TEGRA_LP0
Allen Martina49716a2012-08-31 08:30:11 +0000181 /* save Sdram params to PMC 2, 4, and 24 for WB0 */
182 warmboot_save_sdram_params();
183
Simon Glass67ac5792012-04-02 13:18:57 +0000184 /* prepare the WB code to LP0 location */
185 warmboot_prepare_code(TEGRA_LP0_ADDR, TEGRA_LP0_SIZE);
186#endif
187
Tom Warren3f82b1d2011-01-27 10:58:05 +0000188 return 0;
189}
Tom Warren21ef6a12011-05-31 10:30:37 +0000190
Simon Glass3e00dbd2011-09-21 12:40:03 +0000191#ifdef CONFIG_BOARD_EARLY_INIT_F
Thierry Redingcb7a1cf2012-06-04 20:02:27 +0000192static void __gpio_early_init(void)
193{
194}
195
196void gpio_early_init(void) __attribute__((weak, alias("__gpio_early_init")));
197
Simon Glass3e00dbd2011-09-21 12:40:03 +0000198int board_early_init_f(void)
199{
Tom Warren94829192013-01-28 13:32:12 +0000200#if !defined(CONFIG_TEGRA20)
Tom Warren6d6c0ba2012-12-11 13:34:17 +0000201 pinmux_init();
202#endif
Simon Glassf46a9452011-11-28 15:04:40 +0000203 board_init_uart_f();
Simon Glass3e00dbd2011-09-21 12:40:03 +0000204
205 /* Initialize periph GPIOs */
Thierry Redingcb7a1cf2012-06-04 20:02:27 +0000206 gpio_early_init();
Simon Glassa04eba92011-11-05 04:46:51 +0000207 gpio_early_init_uart();
Simon Glass1b24a502012-10-17 13:24:52 +0000208#ifdef CONFIG_LCD
209 tegra_lcd_early_init(gd->fdt_blob);
210#endif
Lucas Stach0cd10c72012-09-25 20:21:14 +0000211
Simon Glass3e00dbd2011-09-21 12:40:03 +0000212 return 0;
213}
214#endif /* EARLY_INIT */
Simon Glass1b24a502012-10-17 13:24:52 +0000215
216int board_late_init(void)
217{
218#ifdef CONFIG_LCD
219 /* Make sure we finish initing the LCD */
220 tegra_lcd_check_next_stage(gd->fdt_blob, 1);
221#endif
222 return 0;
223}