blob: 53568acf32725b71fe951b7a66a5f7bfa27e319f [file] [log] [blame]
Chandan Nath77a73fe2012-01-09 20:38:59 +00001/*
2 * boot-common.c
3 *
4 * Common bootmode functions for omap based boards
5 *
6 * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
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
19#include <common.h>
20#include <asm/omap_common.h>
21#include <asm/arch/omap.h>
22
23/*
24 * This is used to verify if the configuration header
25 * was executed by rom code prior to control of transfer
26 * to the bootloader. SPL is responsible for saving and
27 * passing the boot_params pointer to the u-boot.
28 */
29struct omap_boot_parameters boot_params __attribute__ ((section(".data")));
30
31#ifdef CONFIG_SPL_BUILD
32/*
33 * We use static variables because global data is not ready yet.
34 * Initialized data is available in SPL right from the beginning.
35 * We would not typically need to save these parameters in regular
36 * U-Boot. This is needed only in SPL at the moment.
37 */
38u32 omap_bootmode = MMCSD_MODE_FAT;
39
Tom Rini0be93ff2012-08-13 12:53:23 -070040u32 spl_boot_device(void)
Chandan Nath77a73fe2012-01-09 20:38:59 +000041{
42 return (u32) (boot_params.omap_bootdevice);
43}
44
Tom Rinia76ff952012-08-14 09:19:44 -070045u32 spl_boot_mode(void)
Chandan Nath77a73fe2012-01-09 20:38:59 +000046{
47 return omap_bootmode;
48}
49#endif