u-boot/arch/arm/cpu/arm720t/tegra-common/spl.c
Tom Warren 1b245fee91 Tegra30: Add AVP (arm720t) files
This provides SPL support for T30 boards - AVP early init, plus
CPU (A9) init/jump to main U-Boot.

Some changes were made to Tegra20 cpu.c to move common routines
into tegra-common/cpu.c and reduce code duplication.

Signed-off-by: Tom Warren <twarren@nvidia.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Simon Glass <sjg@chromium.org>
2013-01-16 13:40:07 -07:00

63 lines
1.6 KiB
C

/*
* (C) Copyright 2012
* NVIDIA Inc, <www.nvidia.com>
*
* Allen Martin <amartin@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 <spl.h>
#include <asm/io.h>
#include <asm/arch/clock.h>
#include <asm/arch/pinmux.h>
#include <asm/arch/tegra.h>
#include <asm/arch-tegra/board.h>
#include <asm/arch/spl.h>
#include "cpu.h"
void spl_board_init(void)
{
struct pmux_tri_ctlr *pmt = (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
/* enable JTAG */
writel(0xC0, &pmt->pmt_cfg_ctl);
board_init_uart_f();
/* Initialize periph GPIOs */
gpio_early_init_uart();
clock_early_init();
preloader_console_init();
}
u32 spl_boot_device(void)
{
return BOOT_DEVICE_RAM;
}
void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
{
debug("image entry point: 0x%X\n", spl_image->entry_point);
start_cpu((u32)spl_image->entry_point);
halt_avp();
}