xref: /rk3399_ARM-atf/plat/nvidia/tegra/include/plat_macros.S (revision fd6007de64fd7e16f6d96972643434c04a77f1c6)
1/*
2 * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 * Redistributions of source code must retain the above copyright notice, this
8 * list of conditions and the following disclaimer.
9 *
10 * Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation
12 * and/or other materials provided with the distribution.
13 *
14 * Neither the name of ARM nor the names of its contributors may be used
15 * to endorse or promote products derived from this software without specific
16 * prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#ifndef __PLAT_MACROS_S__
32#define __PLAT_MACROS_S__
33
34#include <gic_v2.h>
35#include <tegra_def.h>
36
37.section .rodata.gic_reg_name, "aS"
38gicc_regs:
39	.asciz "gicc_hppir", "gicc_ahppir", "gicc_ctlr", ""
40gicd_pend_reg:
41	.asciz "gicd_ispendr regs (Offsets 0x200 - 0x278)\n Offset:\t\t\tvalue\n"
42newline:
43	.asciz "\n"
44spacer:
45	.asciz ":\t\t0x"
46
47/* ---------------------------------------------
48 * The below macro prints out relevant GIC
49 * registers whenever an unhandled exception is
50 * taken in BL31.
51 * ---------------------------------------------
52 */
53.macro plat_print_gic_regs
54	mov_imm	x16, TEGRA_GICC_BASE
55	cbz	x16, 1f
56	/* gicc base address is now in x16 */
57	adr	x6, gicc_regs	/* Load the gicc reg list to x6 */
58	/* Load the gicc regs to gp regs used by str_in_crash_buf_print */
59	ldr	w8, [x16, #GICC_HPPIR]
60	ldr	w9, [x16, #GICC_AHPPIR]
61	ldr	w10, [x16, #GICC_CTLR]
62	/* Store to the crash buf and print to cosole */
63	bl	str_in_crash_buf_print
64
65	/* Print the GICD_ISPENDR regs */
66	add	x7, x16, #GICD_ISPENDR
67	adr	x4, gicd_pend_reg
68	bl	asm_print_str
692:
70	sub	x4, x7, x16
71	cmp	x4, #0x280
72	b.eq	1f
73	bl	asm_print_hex
74	adr	x4, spacer
75	bl	asm_print_str
76	ldr	x4, [x7], #8
77	bl	asm_print_hex
78	adr	x4, newline
79	bl	asm_print_str
80	b	2b
811:
82.endm
83
84/* ------------------------------------------------
85 * The below required platform porting macro prints
86 * out relevant interconnect registers whenever an
87 * unhandled exception is taken in BL3-1.
88  * ------------------------------------------------
89 */
90.macro plat_print_interconnect_regs
91	nop
92.endm
93
94#endif /* __PLAT_MACROS_S__ */
95