1/*
2 * Copyright (c) 2015-2017, Renesas Electronics Corporation. All rights reserved.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
7#include <drivers/arm/cci.h>
8#include <drivers/arm/gic_common.h>
9#include <drivers/arm/gicv2.h>
10
11#include "rcar_def.h"
12
13.section .rodata.gic_reg_name, "aS"
14gicc_regs:
15	.asciz "gicc_hppir", "gicc_ahppir", "gicc_ctlr", ""
16gicd_pend_reg:
17	.asciz "gicd_ispendr regs (Offsets 0x200 - 0x278)\n Offset:\t\t\tvalue\n"
18newline:
19	.asciz "\n"
20spacer:
21	.asciz ":\t\t0x"
22
23	/* ---------------------------------------------
24	 * The below macro prints out relevant GIC
25	 * registers whenever an unhandled exception is
26	 * taken in BL3-1.
27	 * Clobbers: x0 - x10, x16, x17, sp
28	 * ---------------------------------------------
29	 */
30	.macro plat_print_gic_regs
31	mov_imm	x17, RCAR_GICC_BASE
32	mov_imm	x16, RCAR_GICD_BASE
33print_gicc_regs:
34	/* gicc base address is now in x17 */
35	adr	x6, gicc_regs	/* Load the gicc reg list to x6 */
36	/* Load the gicc regs to gp regs used by str_in_crash_buf_print */
37	ldr	w8, [x17, #GICC_HPPIR]
38	ldr	w9, [x17, #GICC_AHPPIR]
39	ldr	w10, [x17, #GICC_CTLR]
40	/* Store to the crash buf and print to console */
41	bl	str_in_crash_buf_print
42
43	/* Print the GICD_ISPENDR regs */
44	add	x7, x16, #GICD_ISPENDR
45	adr	x4, gicd_pend_reg
46	bl	asm_print_str
47gicd_ispendr_loop:
48	sub	x4, x7, x16
49	cmp	x4, #0x280
50	b.eq	exit_print_gic_regs
51	bl	asm_print_hex
52	adr	x4, spacer
53	bl	asm_print_str
54	ldr	x4, [x7], #8
55	bl	asm_print_hex
56	adr	x4, newline
57	bl	asm_print_str
58	b	gicd_ispendr_loop
59exit_print_gic_regs:
60	.endm
61
62.section .rodata.cci_reg_name, "aS"
63cci_iface_regs:
64	.asciz "cci_snoop_ctrl_cluster0", "cci_snoop_ctrl_cluster1" , ""
65
66	/* ------------------------------------------------
67	 * The below macro prints out relevant interconnect
68	 * registers whenever an unhandled exception is
69	 * taken in BL3-1.
70	 * Clobbers: x0 - x9, sp
71	 * ------------------------------------------------
72	 */
73	.macro plat_print_interconnect_regs
74	adr	x6, cci_iface_regs
75	/* Store in x7 the base address of the first interface */
76	mov_imm	x7, (CCI500_BASE + SLAVE_IFACE3_OFFSET)
77	ldr	w8, [x7, #SNOOP_CTRL_REG]
78	/* Store in x7 the base address of the second interface */
79	mov_imm	x7, (CCI500_BASE + SLAVE_IFACE4_OFFSET)
80	ldr	w9, [x7, #SNOOP_CTRL_REG]
81	/* Store to the crash buf and print to console */
82	bl	str_in_crash_buf_print
83	.endm
84
85	.macro plat_crash_print_regs
86	plat_print_gic_regs
87	plat_print_interconnect_regs
88	.endm
89