2 * Copyright (C) 2013-2014 Synopsys, Inc. All rights reserved.
4 * SPDX-License-Identifier: GPL-2.0+
7 #include <asm-offsets.h>
9 #include <linux/linkage.h>
10 #include <asm/arcregs.h>
13 /* Setup interrupt vector base that matches "__text_start" */
14 sr __ivt_start, [ARC_AUX_INTR_VEC_BASE]
16 /* Setup stack- and frame-pointers */
17 mov %sp, CONFIG_SYS_INIT_SP_ADDR
20 /* Unconditionally disable caches */
25 /* Allocate and zero GD, update SP */
29 /* Update stack- and frame-pointers */
33 /* Zero the one and only argument of "board_init_f" */
39 * void board_init_f_r_trampoline(stack-pointer address)
41 * This "function" does not return, instead it continues in RAM
42 * after relocating the monitor code.
44 * r0 = new stack-pointer
46 ENTRY(board_init_f_r_trampoline)
47 /* Set up the stack- and frame-pointers */
51 /* Update position of intterupt vector table */
52 lr %r0, [ARC_AUX_INTR_VEC_BASE]
53 ld %r1, [%r25, GD_RELOC_OFF]
55 sr %r0, [ARC_AUX_INTR_VEC_BASE]
57 /* Re-enter U-Boot by calling board_init_f_r */
59 ENDPROC(board_init_f_r_trampoline)