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/*
* (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 must ensure that any clocks/etc for
* DDR are enabled, ensure that the stack pointer is valid, clear the BSS
* and call board_init_r. We provide this version by default but mark it
* as __weak to allow for platforms to do this in their own way if needed.
*/
void __weak board_init_f(ulong dummy)
{
/* Clear the BSS. */
memset(__bss_start, 0, __bss_end - __bss_start);
#ifndef CONFIG_SPL_DM
/* TODO: Remove settings of the global data pointer here */
gd = &gdata;
#endif
board_init_r(NULL, 0);
}
/*
* 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(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
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