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git01.mediatek.com / filogic / uboot / 36ea62717149f08971b51e2d8aaa7ce72bb26302 / . / arch / arm / cpu / arm720t / tegra-common / spl.c
blob: c280ab7d0f9c89bc60fec15077709087999da0fe [file] [log] [blame]
Allen Martine60ab6e2012-08-31 08:30:09 +0000[diff] [blame]1/*
2 * (C) Copyright 2012
3 * NVIDIA Inc, <www.nvidia.com>
4 *
5 * Allen Martin <amartin@nvidia.com>
6 *
7 * See file CREDITS for list of people who contributed to this
8 * project.
9 *
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; either version 2 of
13 * the License, or (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
23 * MA 02111-1307 USA
24 */
25#include <common.h>
Allen Martine60ab6e2012-08-31 08:30:09 +0000[diff] [blame]26#include "cpu.h"
Allen Martin36ea6272012-10-19 21:08:23 +0000[diff] [blame^]27#include <spl.h>
Allen Martine60ab6e2012-08-31 08:30:09 +0000[diff] [blame]28
29#include <asm/io.h>
Allen Martine60ab6e2012-08-31 08:30:09 +0000[diff] [blame]30#include <asm/arch/clock.h>
Allen Martine60ab6e2012-08-31 08:30:09 +0000[diff] [blame]31#include <asm/arch/pinmux.h>
Tom Warrenab371962012-09-19 15:50:56 -0700[diff] [blame]32#include <asm/arch/tegra.h>
Lucas Stache80f7ca2012-09-29 10:02:08 +0000[diff] [blame]33#include <asm/arch-tegra/board.h>
Allen Martin36ea6272012-10-19 21:08:23 +0000[diff] [blame^]34#include <asm/arch/spl.h>
Allen Martine60ab6e2012-08-31 08:30:09 +0000[diff] [blame]35
Allen Martine60ab6e2012-08-31 08:30:09 +0000[diff] [blame]36
Allen Martin36ea6272012-10-19 21:08:23 +0000[diff] [blame^]37void spl_board_init(void)
Allen Martine60ab6e2012-08-31 08:30:09 +0000[diff] [blame]38{
Allen Martin36ea6272012-10-19 21:08:23 +0000[diff] [blame^]39 struct pmux_tri_ctlr *pmt = (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
Allen Martine60ab6e2012-08-31 08:30:09 +0000[diff] [blame]40
Allen Martin36ea6272012-10-19 21:08:23 +0000[diff] [blame^]41 /* enable JTAG */
42 writel(0xC0, &pmt->pmt_cfg_ctl);
43
Allen Martine60ab6e2012-08-31 08:30:09 +0000[diff] [blame]44 board_init_uart_f();
45
46 /* Initialize periph GPIOs */
Allen Martine60ab6e2012-08-31 08:30:09 +0000[diff] [blame]47 gpio_early_init_uart();
Allen Martine60ab6e2012-08-31 08:30:09 +0000[diff] [blame]48
Allen Martin36ea6272012-10-19 21:08:23 +0000[diff] [blame^]49 clock_early_init();
50 preloader_console_init();
Allen Martine60ab6e2012-08-31 08:30:09 +0000[diff] [blame]51}
52
Allen Martin36ea6272012-10-19 21:08:23 +0000[diff] [blame^]53u32 spl_boot_device(void)
Allen Martine60ab6e2012-08-31 08:30:09 +0000[diff] [blame]54{
Allen Martin36ea6272012-10-19 21:08:23 +0000[diff] [blame^]55 return BOOT_DEVICE_RAM;
Allen Martine60ab6e2012-08-31 08:30:09 +0000[diff] [blame]56}
57
Allen Martin36ea6272012-10-19 21:08:23 +0000[diff] [blame^]58void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
Allen Martine60ab6e2012-08-31 08:30:09 +0000[diff] [blame]59{
Allen Martin36ea6272012-10-19 21:08:23 +0000[diff] [blame^]60 debug("image entry point: 0x%X\n", spl_image->entry_point);
Allen Martine60ab6e2012-08-31 08:30:09 +0000[diff] [blame]61
Allen Martin36ea6272012-10-19 21:08:23 +0000[diff] [blame^]62 start_cpu((u32)spl_image->entry_point);
Allen Martine60ab6e2012-08-31 08:30:09 +0000[diff] [blame]63 halt_avp();
Allen Martine60ab6e2012-08-31 08:30:09 +0000[diff] [blame]64}