1*91f16700Schasinglulu/* 2*91f16700Schasinglulu * Copyright (c) 2015-2017, Renesas Electronics Corporation. All rights reserved. 3*91f16700Schasinglulu * 4*91f16700Schasinglulu * SPDX-License-Identifier: BSD-3-Clause 5*91f16700Schasinglulu */ 6*91f16700Schasinglulu 7*91f16700Schasinglulu#include <drivers/arm/cci.h> 8*91f16700Schasinglulu#include <drivers/arm/gic_common.h> 9*91f16700Schasinglulu#include <drivers/arm/gicv2.h> 10*91f16700Schasinglulu 11*91f16700Schasinglulu#include "rcar_def.h" 12*91f16700Schasinglulu 13*91f16700Schasinglulu.section .rodata.gic_reg_name, "aS" 14*91f16700Schasinglulugicc_regs: 15*91f16700Schasinglulu .asciz "gicc_hppir", "gicc_ahppir", "gicc_ctlr", "" 16*91f16700Schasinglulugicd_pend_reg: 17*91f16700Schasinglulu .asciz "gicd_ispendr regs (Offsets 0x200 - 0x278)\n Offset:\t\t\tvalue\n" 18*91f16700Schasinglulunewline: 19*91f16700Schasinglulu .asciz "\n" 20*91f16700Schasingluluspacer: 21*91f16700Schasinglulu .asciz ":\t\t0x" 22*91f16700Schasinglulu 23*91f16700Schasinglulu /* --------------------------------------------- 24*91f16700Schasinglulu * The below macro prints out relevant GIC 25*91f16700Schasinglulu * registers whenever an unhandled exception is 26*91f16700Schasinglulu * taken in BL3-1. 27*91f16700Schasinglulu * Clobbers: x0 - x10, x16, x17, sp 28*91f16700Schasinglulu * --------------------------------------------- 29*91f16700Schasinglulu */ 30*91f16700Schasinglulu .macro plat_print_gic_regs 31*91f16700Schasinglulu mov_imm x17, RCAR_GICC_BASE 32*91f16700Schasinglulu mov_imm x16, RCAR_GICD_BASE 33*91f16700Schasingluluprint_gicc_regs: 34*91f16700Schasinglulu /* gicc base address is now in x17 */ 35*91f16700Schasinglulu adr x6, gicc_regs /* Load the gicc reg list to x6 */ 36*91f16700Schasinglulu /* Load the gicc regs to gp regs used by str_in_crash_buf_print */ 37*91f16700Schasinglulu ldr w8, [x17, #GICC_HPPIR] 38*91f16700Schasinglulu ldr w9, [x17, #GICC_AHPPIR] 39*91f16700Schasinglulu ldr w10, [x17, #GICC_CTLR] 40*91f16700Schasinglulu /* Store to the crash buf and print to console */ 41*91f16700Schasinglulu bl str_in_crash_buf_print 42*91f16700Schasinglulu 43*91f16700Schasinglulu /* Print the GICD_ISPENDR regs */ 44*91f16700Schasinglulu add x7, x16, #GICD_ISPENDR 45*91f16700Schasinglulu adr x4, gicd_pend_reg 46*91f16700Schasinglulu bl asm_print_str 47*91f16700Schasinglulugicd_ispendr_loop: 48*91f16700Schasinglulu sub x4, x7, x16 49*91f16700Schasinglulu cmp x4, #0x280 50*91f16700Schasinglulu b.eq exit_print_gic_regs 51*91f16700Schasinglulu bl asm_print_hex 52*91f16700Schasinglulu adr x4, spacer 53*91f16700Schasinglulu bl asm_print_str 54*91f16700Schasinglulu ldr x4, [x7], #8 55*91f16700Schasinglulu bl asm_print_hex 56*91f16700Schasinglulu adr x4, newline 57*91f16700Schasinglulu bl asm_print_str 58*91f16700Schasinglulu b gicd_ispendr_loop 59*91f16700Schasingluluexit_print_gic_regs: 60*91f16700Schasinglulu .endm 61*91f16700Schasinglulu 62*91f16700Schasinglulu.section .rodata.cci_reg_name, "aS" 63*91f16700Schasinglulucci_iface_regs: 64*91f16700Schasinglulu .asciz "cci_snoop_ctrl_cluster0", "cci_snoop_ctrl_cluster1" , "" 65*91f16700Schasinglulu 66*91f16700Schasinglulu /* ------------------------------------------------ 67*91f16700Schasinglulu * The below macro prints out relevant interconnect 68*91f16700Schasinglulu * registers whenever an unhandled exception is 69*91f16700Schasinglulu * taken in BL3-1. 70*91f16700Schasinglulu * Clobbers: x0 - x9, sp 71*91f16700Schasinglulu * ------------------------------------------------ 72*91f16700Schasinglulu */ 73*91f16700Schasinglulu .macro plat_print_interconnect_regs 74*91f16700Schasinglulu adr x6, cci_iface_regs 75*91f16700Schasinglulu /* Store in x7 the base address of the first interface */ 76*91f16700Schasinglulu mov_imm x7, (CCI500_BASE + SLAVE_IFACE3_OFFSET) 77*91f16700Schasinglulu ldr w8, [x7, #SNOOP_CTRL_REG] 78*91f16700Schasinglulu /* Store in x7 the base address of the second interface */ 79*91f16700Schasinglulu mov_imm x7, (CCI500_BASE + SLAVE_IFACE4_OFFSET) 80*91f16700Schasinglulu ldr w9, [x7, #SNOOP_CTRL_REG] 81*91f16700Schasinglulu /* Store to the crash buf and print to console */ 82*91f16700Schasinglulu bl str_in_crash_buf_print 83*91f16700Schasinglulu .endm 84*91f16700Schasinglulu 85*91f16700Schasinglulu .macro plat_crash_print_regs 86*91f16700Schasinglulu plat_print_gic_regs 87*91f16700Schasinglulu plat_print_interconnect_regs 88*91f16700Schasinglulu .endm 89