2 * (C) Copyright 2010-2012
3 * Texas Instruments, <www.ti.com>
5 * Aneesh V <aneesh@ti.com>
6 * Tom Rini <trini@ti.com>
8 * SPDX-License-Identifier: GPL-2.0+
14 #include <linux/compiler.h>
16 /* Pointer to as well as the global data structure for SPL */
17 DECLARE_GLOBAL_DATA_PTR;
18 gd_t gdata __attribute__ ((section(".data")));
21 * In the context of SPL, board_init_f must ensure that any clocks/etc for
22 * DDR are enabled, ensure that the stack pointer is valid, clear the BSS
23 * and call board_init_f. We provide this version by default but mark it
24 * as __weak to allow for platforms to do this in their own way if needed.
26 void __weak board_init_f(ulong dummy)
28 /* Set the stack pointer. */
29 asm volatile("mov sp, %0\n" : : "r"(CONFIG_SPL_STACK));
32 memset(__bss_start, 0, __bss_end - __bss_start);
34 /* Set global data pointer. */
37 board_init_r(NULL, 0);
41 * This function jumps to an image with argument. Normally an FDT or ATAGS
43 * arg: Pointer to paramter image in RAM
45 #ifdef CONFIG_SPL_OS_BOOT
46 void __noreturn jump_to_image_linux(void *arg)
48 debug("Entering kernel arg pointer: 0x%p\n", arg);
49 typedef void (*image_entry_arg_t)(int, int, void *)
50 __attribute__ ((noreturn));
51 image_entry_arg_t image_entry =
52 (image_entry_arg_t) spl_image.entry_point;
53 cleanup_before_linux();
54 image_entry(0, CONFIG_MACH_TYPE, arg);