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>
17 /* Pointer to as well as the global data structure for SPL */
18 DECLARE_GLOBAL_DATA_PTR;
21 * WARNING: This is going away very soon. Don't use it and don't submit
22 * pafches that rely on it. The global_data area is set up in crt0.S.
24 gd_t gdata __attribute__ ((section(".data")));
28 * In the context of SPL, board_init_f must ensure that any clocks/etc for
29 * DDR are enabled, ensure that the stack pointer is valid, clear the BSS
30 * and call board_init_f. We provide this version by default but mark it
31 * as __weak to allow for platforms to do this in their own way if needed.
33 void __weak board_init_f(ulong dummy)
36 memset(__bss_start, 0, __bss_end - __bss_start);
39 /* TODO: Remove settings of the global data pointer here */
43 board_init_r(NULL, 0);
47 * This function jumps to an image with argument. Normally an FDT or ATAGS
49 * arg: Pointer to paramter image in RAM
51 #ifdef CONFIG_SPL_OS_BOOT
52 void __noreturn jump_to_image_linux(void *arg)
54 unsigned long machid = 0xffffffff;
55 #ifdef CONFIG_MACH_TYPE
56 machid = CONFIG_MACH_TYPE;
59 debug("Entering kernel arg pointer: 0x%p\n", arg);
60 typedef void (*image_entry_arg_t)(int, int, void *)
61 __attribute__ ((noreturn));
62 image_entry_arg_t image_entry =
63 (image_entry_arg_t) spl_image.entry_point;
64 cleanup_before_linux();
65 image_entry(0, machid, arg);