2 * (C) Copyright 2010,2011
3 * NVIDIA Corporation <www.nvidia.com>
5 * See file CREDITS for list of people who contributed to this
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.
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.
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,
27 #include <asm/arch/tegra2.h>
28 #include <asm/arch/sys_proto.h>
30 #include <asm/arch/board.h>
31 #include <asm/arch/clk_rst.h>
32 #include <asm/arch/clock.h>
33 #include <asm/arch/pinmux.h>
34 #include <asm/arch/pmc.h>
35 #include <asm/arch/pmu.h>
36 #include <asm/arch/uart.h>
37 #include <asm/arch/warmboot.h>
39 #include <asm/arch/usb.h>
43 DECLARE_GLOBAL_DATA_PTR;
45 const struct tegra2_sysinfo sysinfo = {
46 CONFIG_TEGRA2_BOARD_STRING
51 * Description: init the timestamp and lastinc value
58 void __pin_mux_usb(void)
62 void pin_mux_usb(void) __attribute__((weak, alias("__pin_mux_usb")));
65 * Routine: power_det_init
66 * Description: turn off power detects
68 static void power_det_init(void)
70 #if defined(CONFIG_TEGRA2)
71 struct pmc_ctlr *const pmc = (struct pmc_ctlr *)TEGRA2_PMC_BASE;
73 /* turn off power detects */
74 writel(0, &pmc->pmc_pwr_det_latch);
75 writel(0, &pmc->pmc_pwr_det);
81 * Description: Early hardware init.
85 /* Do clocks and UART first so that printf() works */
89 #ifdef CONFIG_SPI_UART_SWITCH
92 #ifdef CONFIG_TEGRA2_SPI
96 gd->bd->bi_boot_params = (NV_PA_SDRAM_BASE + 0x100);
100 #ifdef CONFIG_TEGRA_I2C
101 #ifndef CONFIG_SYS_I2C_INIT_BOARD
102 #error "You must define CONFIG_SYS_I2C_INIT_BOARD to use i2c on Nvidia boards"
105 # ifdef CONFIG_TEGRA_PMU
106 if (pmu_set_nominal())
107 debug("Failed to select nominal voltages\n");
111 #ifdef CONFIG_USB_EHCI_TEGRA
113 board_usb_init(gd->fdt_blob);
116 #ifdef CONFIG_TEGRA2_LP0
117 /* prepare the WB code to LP0 location */
118 warmboot_prepare_code(TEGRA_LP0_ADDR, TEGRA_LP0_SIZE);
124 #ifdef CONFIG_BOARD_EARLY_INIT_F
125 int board_early_init_f(void)
129 /* Initialize periph GPIOs */
130 #ifdef CONFIG_SPI_UART_SWITCH
131 gpio_early_init_uart();
137 #endif /* EARLY_INIT */