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Tom Warren41b68382011-01-27 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 Zhanga308d462012-04-10 05:17:06 +000026#include <linux/compiler.h>
Tom Warren41b68382011-01-27 10:58:05 +000027#include <asm/io.h>
Simon Glass16134fd2011-08-30 06:23:13 +000028#include <asm/arch/clock.h>
Jimmy Zhanga308d462012-04-10 05:17:06 +000029#include <asm/arch/emc.h>
Tom Warren41b68382011-01-27 10:58:05 +000030#include <asm/arch/pinmux.h>
Simon Glasse772be82012-04-02 13:18:54 +000031#include <asm/arch/pmu.h>
Tom Warrenab371962012-09-19 15:50:56 -070032#include <asm/arch/tegra.h>
Simon Glass5d73a8d2012-02-27 10:52:50 +000033#include <asm/arch/usb.h>
Tom Warrenab371962012-09-19 15:50:56 -070034#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 Glass87cc3d12012-02-03 15:13:57 +000041#include <i2c.h>
Jimmy Zhanga308d462012-04-10 05:17:06 +000042#include "emc.h"
Tom Warren41b68382011-01-27 10:58:05 +000043
44DECLARE_GLOBAL_DATA_PTR;
45
Tom Warren22562a42012-09-04 17:00:24 -070046const struct tegra_sysinfo sysinfo = {
47 CONFIG_TEGRA_BOARD_STRING
Tom Warren41b68382011-01-27 10:58:05 +000048};
49
Allen Martin74753a82012-08-31 08:30:08 +000050#ifndef CONFIG_SPL_BUILD
Tom Warren41b68382011-01-27 10:58:05 +000051/*
52 * Routine: timer_init
53 * Description: init the timestamp and lastinc value
54 */
55int timer_init(void)
56{
Tom Warren41b68382011-01-27 10:58:05 +000057 return 0;
58}
Allen Martin74753a82012-08-31 08:30:08 +000059#endif
Tom Warren41b68382011-01-27 10:58:05 +000060
Simon Glass5d73a8d2012-02-27 10:52:50 +000061void __pin_mux_usb(void)
62{
63}
64
65void pin_mux_usb(void) __attribute__((weak, alias("__pin_mux_usb")));
66
Stephen Warrend2f67fe2012-06-12 08:33:40 +000067void __pin_mux_spi(void)
68{
69}
70
71void pin_mux_spi(void) __attribute__((weak, alias("__pin_mux_spi")));
72
Lucas Stach18561f72012-09-25 20:21:14 +000073void __gpio_early_init_uart(void)
74{
75}
76
77void gpio_early_init_uart(void)
78__attribute__((weak, alias("__gpio_early_init_uart")));
79
Tom Warren41b68382011-01-27 10:58:05 +000080/*
Wei Ni39d45ed2012-04-02 13:18:58 +000081 * Routine: power_det_init
82 * Description: turn off power detects
83 */
84static void power_det_init(void)
85{
Allen Martin55d98a12012-08-31 08:30:00 +000086#if defined(CONFIG_TEGRA20)
Tom Warren22562a42012-09-04 17:00:24 -070087 struct pmc_ctlr *const pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
Wei Ni39d45ed2012-04-02 13:18:58 +000088
89 /* turn off power detects */
90 writel(0, &pmc->pmc_pwr_det_latch);
91 writel(0, &pmc->pmc_pwr_det);
92#endif
93}
94
95/*
Tom Warren41b68382011-01-27 10:58:05 +000096 * Routine: board_init
97 * Description: Early hardware init.
98 */
99int board_init(void)
100{
Jimmy Zhanga308d462012-04-10 05:17:06 +0000101 __maybe_unused int err;
102
Simon Glass704e60d2011-11-05 04:46:51 +0000103 /* Do clocks and UART first so that printf() works */
Simon Glassc2ea5e42011-09-21 12:40:04 +0000104 clock_init();
105 clock_verify();
106
Simon Glass704e60d2011-11-05 04:46:51 +0000107#ifdef CONFIG_SPI_UART_SWITCH
108 gpio_config_uart();
109#endif
Tom Warren2967d482012-06-01 08:22:14 +0000110#ifdef CONFIG_TEGRA_SPI
Stephen Warrend2f67fe2012-06-12 08:33:40 +0000111 pin_mux_spi();
Tom Warrenee554f82011-11-05 09:48:11 +0000112 spi_init();
113#endif
Tom Warren41b68382011-01-27 10:58:05 +0000114 /* boot param addr */
115 gd->bd->bi_boot_params = (NV_PA_SDRAM_BASE + 0x100);
Wei Ni39d45ed2012-04-02 13:18:58 +0000116
117 power_det_init();
118
Simon Glass87cc3d12012-02-03 15:13:57 +0000119#ifdef CONFIG_TEGRA_I2C
120#ifndef CONFIG_SYS_I2C_INIT_BOARD
121#error "You must define CONFIG_SYS_I2C_INIT_BOARD to use i2c on Nvidia boards"
122#endif
123 i2c_init_board();
Simon Glasse772be82012-04-02 13:18:54 +0000124# ifdef CONFIG_TEGRA_PMU
125 if (pmu_set_nominal())
126 debug("Failed to select nominal voltages\n");
Jimmy Zhanga308d462012-04-10 05:17:06 +0000127# ifdef CONFIG_TEGRA_CLOCK_SCALING
128 err = board_emc_init();
129 if (err)
130 debug("Memory controller init failed: %d\n", err);
131# endif
132# endif /* CONFIG_TEGRA_PMU */
133#endif /* CONFIG_TEGRA_I2C */
Tom Warren41b68382011-01-27 10:58:05 +0000134
Simon Glass5d73a8d2012-02-27 10:52:50 +0000135#ifdef CONFIG_USB_EHCI_TEGRA
136 pin_mux_usb();
137 board_usb_init(gd->fdt_blob);
138#endif
139
Tom Warren22562a42012-09-04 17:00:24 -0700140#ifdef CONFIG_TEGRA_LP0
Allen Martin0ca1a452012-08-31 08:30:11 +0000141 /* save Sdram params to PMC 2, 4, and 24 for WB0 */
142 warmboot_save_sdram_params();
143
Simon Glass8cc8f612012-04-02 13:18:57 +0000144 /* prepare the WB code to LP0 location */
145 warmboot_prepare_code(TEGRA_LP0_ADDR, TEGRA_LP0_SIZE);
146#endif
147
Tom Warren41b68382011-01-27 10:58:05 +0000148 return 0;
149}
Simon Glassdfcee792011-09-21 12:40:03 +0000150
151#ifdef CONFIG_BOARD_EARLY_INIT_F
Thierry Reding2fa4db02012-06-04 20:02:27 +0000152static void __gpio_early_init(void)
153{
154}
155
156void gpio_early_init(void) __attribute__((weak, alias("__gpio_early_init")));
157
Simon Glassdfcee792011-09-21 12:40:03 +0000158int board_early_init_f(void)
159{
Simon Glassa8ccc8b2011-11-28 15:04:40 +0000160 board_init_uart_f();
Simon Glassdfcee792011-09-21 12:40:03 +0000161
162 /* Initialize periph GPIOs */
Thierry Reding2fa4db02012-06-04 20:02:27 +0000163 gpio_early_init();
Simon Glass704e60d2011-11-05 04:46:51 +0000164 gpio_early_init_uart();
Lucas Stach18561f72012-09-25 20:21:14 +0000165
Simon Glassdfcee792011-09-21 12:40:03 +0000166 return 0;
167}
168#endif /* EARLY_INIT */