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