Skip to content

GitLab

Switch branch/tag
Find file Normal viewHistoryPermalink
plat_macros.S 2.37 KB
Newer Older
Jorge Ramirez-Ortiz's avatar
rcar-gen3: initial commit for the rcar-gen3 boards    
Jorge Ramirez-Ortiz committed
1
2
3
4
5
6 
/*
 * Copyright (c) 2015-2017, Renesas Electronics Corporation. All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */
Antonio Nino Diaz's avatar
Sanitise includes across codebase    
Antonio Nino Diaz committed
7
8
9
10 
#include <drivers/arm/cci.h>
#include <drivers/arm/gic_common.h>
#include <drivers/arm/gicv2.h>
Jorge Ramirez-Ortiz's avatar
rcar-gen3: initial commit for the rcar-gen3 boards    
Jorge Ramirez-Ortiz committed
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88 
#include "rcar_def.h"

.section .rodata.gic_reg_name, "aS"
gicc_regs:
	.asciz "gicc_hppir", "gicc_ahppir", "gicc_ctlr", ""
gicd_pend_reg:
	.asciz "gicd_ispendr regs (Offsets 0x200 - 0x278)\n Offset:\t\t\tvalue\n"
newline:
	.asciz "\n"
spacer:
	.asciz ":\t\t0x"

	/* ---------------------------------------------
	 * The below macro prints out relevant GIC
	 * registers whenever an unhandled exception is
	 * taken in BL3-1.
	 * Clobbers: x0 - x10, x16, x17, sp
	 * ---------------------------------------------
	 */
	.macro plat_print_gic_regs
	mov_imm	x17, RCAR_GICC_BASE
	mov_imm	x16, RCAR_GICD_BASE
print_gicc_regs:
	/* gicc base address is now in x17 */
	adr	x6, gicc_regs	/* Load the gicc reg list to x6 */
	/* Load the gicc regs to gp regs used by str_in_crash_buf_print */
	ldr	w8, [x17, #GICC_HPPIR]
	ldr	w9, [x17, #GICC_AHPPIR]
	ldr	w10, [x17, #GICC_CTLR]
	/* Store to the crash buf and print to console */
	bl	str_in_crash_buf_print

	/* Print the GICD_ISPENDR regs */
	add	x7, x16, #GICD_ISPENDR
	adr	x4, gicd_pend_reg
	bl	asm_print_str
gicd_ispendr_loop:
	sub	x4, x7, x16
	cmp	x4, #0x280
	b.eq	exit_print_gic_regs
	bl	asm_print_hex
	adr	x4, spacer
	bl	asm_print_str
	ldr	x4, [x7], #8
	bl	asm_print_hex
	adr	x4, newline
	bl	asm_print_str
	b	gicd_ispendr_loop
exit_print_gic_regs:
	.endm

.section .rodata.cci_reg_name, "aS"
cci_iface_regs:
	.asciz "cci_snoop_ctrl_cluster0", "cci_snoop_ctrl_cluster1" , ""

	/* ------------------------------------------------
	 * The below macro prints out relevant interconnect
	 * registers whenever an unhandled exception is
	 * taken in BL3-1.
	 * Clobbers: x0 - x9, sp
	 * ------------------------------------------------
	 */
	.macro plat_print_interconnect_regs
	adr	x6, cci_iface_regs
	/* Store in x7 the base address of the first interface */
	mov_imm	x7, (CCI500_BASE + SLAVE_IFACE3_OFFSET)
	ldr	w8, [x7, #SNOOP_CTRL_REG]
	/* Store in x7 the base address of the second interface */
	mov_imm	x7, (CCI500_BASE + SLAVE_IFACE4_OFFSET)
	ldr	w9, [x7, #SNOOP_CTRL_REG]
	/* Store to the crash buf and print to console */
	bl	str_in_crash_buf_print
	.endm

	.macro plat_crash_print_regs
	plat_print_gic_regs
	plat_print_interconnect_regs
	.endm