u-boot/board/nvidia/common/board.c
Simon Glass f10393e501 tegra: usb: Add USB support to nvidia boards
This adds basic USB support for port 0. The other port is not supported
yet.

Tegra2 (SeaBoard) # usb start
(Re)start USB...
USB:   Register 10011 NbrPorts 1
USB EHCI 1.00
scanning bus for devices... 5 USB Device(s) found
       scanning bus for storage devices... 1 Storage Device(s) found
Tegra2 (SeaBoard) # ext2load usb 0:3 10000000 /boot/vmlinuz
Loading file "/boot/vmlinuz" from usb device 0:3 (ROOT-A)
2932976 bytes read

Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
2012-03-29 08:12:49 +02:00

100 lines
2.2 KiB
C

/*
* (C) Copyright 2010,2011
* NVIDIA Corporation <www.nvidia.com>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <ns16550.h>
#include <asm/io.h>
#include <asm/arch/tegra2.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/board.h>
#include <asm/arch/clk_rst.h>
#include <asm/arch/clock.h>
#include <asm/arch/pinmux.h>
#include <asm/arch/uart.h>
#include <spi.h>
#include <asm/arch/usb.h>
#include "board.h"
DECLARE_GLOBAL_DATA_PTR;
const struct tegra2_sysinfo sysinfo = {
CONFIG_TEGRA2_BOARD_STRING
};
/*
* Routine: timer_init
* Description: init the timestamp and lastinc value
*/
int timer_init(void)
{
return 0;
}
void __pin_mux_usb(void)
{
}
void pin_mux_usb(void) __attribute__((weak, alias("__pin_mux_usb")));
/*
* Routine: board_init
* Description: Early hardware init.
*/
int board_init(void)
{
/* Do clocks and UART first so that printf() works */
clock_init();
clock_verify();
#ifdef CONFIG_SPI_UART_SWITCH
gpio_config_uart();
#endif
#ifdef CONFIG_TEGRA2_SPI
spi_init();
#endif
/* boot param addr */
gd->bd->bi_boot_params = (NV_PA_SDRAM_BASE + 0x100);
#ifdef CONFIG_USB_EHCI_TEGRA
pin_mux_usb();
board_usb_init(gd->fdt_blob);
#endif
return 0;
}
#ifdef CONFIG_BOARD_EARLY_INIT_F
int board_early_init_f(void)
{
board_init_uart_f();
/* Initialize periph GPIOs */
#ifdef CONFIG_SPI_UART_SWITCH
gpio_early_init_uart();
#else
gpio_config_uart();
#endif
return 0;
}
#endif /* EARLY_INIT */