xref: /arm-trusted-firmware/plat/hisilicon/hikey/include/plat_macros.S (revision 91f16700b400a8c0651d24a598fc48ee2997a0d7)
1*91f16700Schasinglulu/*
2*91f16700Schasinglulu * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
3*91f16700Schasinglulu *
4*91f16700Schasinglulu * SPDX-License-Identifier: BSD-3-Clause
5*91f16700Schasinglulu */
6*91f16700Schasinglulu
7*91f16700Schasinglulu#ifndef PLAT_MACROS_S
8*91f16700Schasinglulu#define PLAT_MACROS_S
9*91f16700Schasinglulu
10*91f16700Schasinglulu#include <drivers/arm/cci.h>
11*91f16700Schasinglulu#include <drivers/arm/gicv2.h>
12*91f16700Schasinglulu#include <hi6220.h>
13*91f16700Schasinglulu#include <platform_def.h>
14*91f16700Schasinglulu
15*91f16700Schasinglulu.section .rodata.gic_reg_name, "aS"
16*91f16700Schasinglulugicc_regs:
17*91f16700Schasinglulu	.asciz "gicc_hppir", "gicc_ahppir", "gicc_ctlr", ""
18*91f16700Schasinglulugicd_pend_reg:
19*91f16700Schasinglulu	.asciz "gicd_ispendr regs (Offsets 0x200 - 0x278)\n Offset:\t\t\tvalue\n"
20*91f16700Schasinglulunewline:
21*91f16700Schasinglulu	.asciz "\n"
22*91f16700Schasingluluspacer:
23*91f16700Schasinglulu	.asciz ":\t\t0x"
24*91f16700Schasinglulu
25*91f16700Schasinglulu.section .rodata.cci_reg_name, "aS"
26*91f16700Schasinglulucci_iface_regs:
27*91f16700Schasinglulu	.asciz "cci_snoop_ctrl_cluster0", "cci_snoop_ctrl_cluster1" , ""
28*91f16700Schasinglulu
29*91f16700Schasinglulu/* ---------------------------------------------
30*91f16700Schasinglulu * The below macro prints out relevant GIC
31*91f16700Schasinglulu * registers whenever an unhandled exception is
32*91f16700Schasinglulu * taken in BL31.
33*91f16700Schasinglulu * ---------------------------------------------
34*91f16700Schasinglulu */
35*91f16700Schasinglulu.macro plat_crash_print_regs
36*91f16700Schasinglulu	mov_imm	x16, PLAT_ARM_GICD_BASE
37*91f16700Schasinglulu	mov_imm	x17, PLAT_ARM_GICC_BASE
38*91f16700Schasinglulu
39*91f16700Schasinglulu	/* Load the gicc reg list to x6 */
40*91f16700Schasinglulu	adr	x6, gicc_regs
41*91f16700Schasinglulu	/* Load the gicc regs to gp regs used by str_in_crash_buf_print */
42*91f16700Schasinglulu	ldr	w8, [x17, #GICC_HPPIR]
43*91f16700Schasinglulu	ldr	w9, [x17, #GICC_AHPPIR]
44*91f16700Schasinglulu	ldr	w10, [x17, #GICC_CTLR]
45*91f16700Schasinglulu	/* Store to the crash buf and print to cosole */
46*91f16700Schasinglulu	bl	str_in_crash_buf_print
47*91f16700Schasinglulu
48*91f16700Schasinglulu	/* Print the GICD_ISPENDR regs */
49*91f16700Schasinglulu	add	x7, x16, #GICD_ISPENDR
50*91f16700Schasinglulu	adr	x4, gicd_pend_reg
51*91f16700Schasinglulu	bl	asm_print_str
52*91f16700Schasinglulu2:
53*91f16700Schasinglulu	sub	x4, x7, x16
54*91f16700Schasinglulu	cmp	x4, #0x280
55*91f16700Schasinglulu	b.eq	1f
56*91f16700Schasinglulu	bl	asm_print_hex
57*91f16700Schasinglulu	adr	x4, spacer
58*91f16700Schasinglulu	bl	asm_print_str
59*91f16700Schasinglulu	ldr	x4, [x7], #8
60*91f16700Schasinglulu	bl	asm_print_hex
61*91f16700Schasinglulu	adr	x4, newline
62*91f16700Schasinglulu	bl	asm_print_str
63*91f16700Schasinglulu	b	2b
64*91f16700Schasinglulu1:
65*91f16700Schasinglulu	adr	x6, cci_iface_regs
66*91f16700Schasinglulu	/* Store in x7 the base address of the first interface */
67*91f16700Schasinglulu	mov_imm	x7, (CCI400_BASE + SLAVE_IFACE_OFFSET(	\
68*91f16700Schasinglulu			CCI400_SL_IFACE3_CLUSTER_IX))
69*91f16700Schasinglulu	ldr	w8, [x7, #SNOOP_CTRL_REG]
70*91f16700Schasinglulu	/* Store in x7 the base address of the second interface */
71*91f16700Schasinglulu	mov_imm	x7, (CCI400_BASE + SLAVE_IFACE_OFFSET(	\
72*91f16700Schasinglulu			CCI400_SL_IFACE4_CLUSTER_IX))
73*91f16700Schasinglulu	ldr	w9, [x7, #SNOOP_CTRL_REG]
74*91f16700Schasinglulu	/* Store to the crash buf and print to console */
75*91f16700Schasinglulu	bl	str_in_crash_buf_print
76*91f16700Schasinglulu.endm
77*91f16700Schasinglulu
78*91f16700Schasinglulu#endif /* PLAT_MACROS_S */
79