66 lines
1.9 KiB
C
66 lines
1.9 KiB
C
/*
|
|
* (C) Copyright 2010-2012
|
|
* Texas Instruments, <www.ti.com>
|
|
*
|
|
* Aneesh V <aneesh@ti.com>
|
|
* Tom Rini <trini@ti.com>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
#include <common.h>
|
|
#include <config.h>
|
|
#include <spl.h>
|
|
#include <image.h>
|
|
#include <linux/compiler.h>
|
|
|
|
#ifndef CONFIG_SPL_DM
|
|
/* Pointer to as well as the global data structure for SPL */
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
/*
|
|
* WARNING: This is going away very soon. Don't use it and don't submit
|
|
* pafches that rely on it. The global_data area is set up in crt0.S.
|
|
*/
|
|
gd_t gdata __attribute__ ((section(".data")));
|
|
#endif
|
|
|
|
/*
|
|
* In the context of SPL, board_init_f() prepares the hardware for execution
|
|
* from system RAM (DRAM, DDR...). As system RAM may not be available yet,
|
|
* board_init_f() must use the current GD to store any data which must be
|
|
* passed on to later stages. These data include the relocation destination,
|
|
* the future stack, and the future GD location. BSS is cleared after this
|
|
* function (and therefore must be accessible).
|
|
*
|
|
* We provide this version by default but mark it as __weak to allow for
|
|
* platforms to do this in their own way if needed. Please see the top
|
|
* level U-Boot README "Board Initialization Flow" section for info on what
|
|
* to put in this function.
|
|
*/
|
|
void __weak board_init_f(ulong dummy)
|
|
{
|
|
}
|
|
|
|
/*
|
|
* This function jumps to an image with argument. Normally an FDT or ATAGS
|
|
* image.
|
|
* arg: Pointer to paramter image in RAM
|
|
*/
|
|
#ifdef CONFIG_SPL_OS_BOOT
|
|
void __noreturn jump_to_image_linux(struct spl_image_info *spl_image, void *arg)
|
|
{
|
|
unsigned long machid = 0xffffffff;
|
|
#ifdef CONFIG_MACH_TYPE
|
|
machid = CONFIG_MACH_TYPE;
|
|
#endif
|
|
|
|
debug("Entering kernel arg pointer: 0x%p\n", arg);
|
|
typedef void (*image_entry_arg_t)(int, int, void *)
|
|
__attribute__ ((noreturn));
|
|
image_entry_arg_t image_entry =
|
|
(image_entry_arg_t)(uintptr_t) spl_image->entry_point;
|
|
cleanup_before_linux();
|
|
image_entry(0, machid, arg);
|
|
}
|
|
#endif
|