u-boot/arch/microblaze/cpu/spl.c

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/*
* (C) Copyright 2013 - 2014 Xilinx, Inc
*
* Michal Simek <michal.simek@xilinx.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <image.h>
#include <spl.h>
#include <asm/io.h>
#include <asm/u-boot.h>
DECLARE_GLOBAL_DATA_PTR;
bool boot_linux;
u32 spl_boot_device(void)
{
return BOOT_DEVICE_NOR;
}
/* Board initialization after bss clearance */
void spl_board_init(void)
{
/* enable console uart printing */
preloader_console_init();
}
#ifdef CONFIG_SPL_OS_BOOT
void __noreturn jump_to_image_linux(void *arg)
{
debug("Entering kernel arg pointer: 0x%p\n", arg);
typedef void (*image_entry_arg_t)(char *, ulong, ulong)
__attribute__ ((noreturn));
image_entry_arg_t image_entry =
(image_entry_arg_t)spl_image.entry_point;
image_entry(NULL, 0, (ulong)arg);
}
#endif /* CONFIG_SPL_OS_BOOT */
int spl_start_uboot(void)
{
#ifdef CONFIG_SPL_OS_BOOT
if (boot_linux)
return 0;
#endif
return 1;
}