1/* 2 * Copyright (c) 2014-2015, ARM Limited and Contributors. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are met: 6 * 7 * Redistributions of source code must retain the above copyright notice, this 8 * list of conditions and the following disclaimer. 9 * 10 * Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 14 * Neither the name of ARM nor the names of its contributors may be used 15 * to endorse or promote products derived from this software without specific 16 * prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#include <cci.h> 32#include <gic_v2.h> 33#include <mt8173_def.h> 34 35.section .rodata.gic_reg_name, "aS" 36gicc_regs: 37 .asciz "gicc_hppir", "gicc_ahppir", "gicc_ctlr", "" 38gicd_pend_reg: 39 .asciz "gicd_ispendr regs (Offsets 0x200 - 0x278)\n" \ 40 " Offset:\t\t\tvalue\n" 41newline: 42 .asciz "\n" 43spacer: 44 .asciz ":\t\t0x" 45 46.section .rodata.cci_reg_name, "aS" 47cci_iface_regs: 48 .asciz "cci_snoop_ctrl_cluster0", "cci_snoop_ctrl_cluster1" , "" 49 50 /* --------------------------------------------- 51 * The below macro prints out relevant GIC and 52 * CCI registers whenever an unhandled exception 53 * is taken in BL3-1. 54 * Clobbers: x0 - x10, x16, x17, sp 55 * --------------------------------------------- 56 */ 57 .macro plat_crash_print_regs 58 mov_imm x16, BASE_GICD_BASE 59 mov_imm x17, BASE_GICC_BASE 60 /* Load the gicc reg list to x6 */ 61 adr x6, gicc_regs 62 /* Load the gicc regs to gp regs used by str_in_crash_buf_print */ 63 ldr w8, [x17, #GICC_HPPIR] 64 ldr w9, [x17, #GICC_AHPPIR] 65 ldr w10, [x17, #GICC_CTLR] 66 /* Store to the crash buf and print to console */ 67 bl str_in_crash_buf_print 68 69 /* Print the GICD_ISPENDR regs */ 70 add x7, x16, #GICD_ISPENDR 71 adr x4, gicd_pend_reg 72 bl asm_print_str 73gicd_ispendr_loop: 74 sub x4, x7, x16 75 cmp x4, #0x280 76 b.eq exit_print_gic_regs 77 bl asm_print_hex 78 79 adr x4, spacer 80 bl asm_print_str 81 82 ldr x4, [x7], #8 83 bl asm_print_hex 84 85 adr x4, newline 86 bl asm_print_str 87 b gicd_ispendr_loop 88exit_print_gic_regs: 89 90 adr x6, cci_iface_regs 91 /* Store in x7 the base address of the first interface */ 92 mov_imm x7, (PLAT_MT_CCI_BASE + SLAVE_IFACE_OFFSET( \ 93 PLAT_MT_CCI_CLUSTER0_SL_IFACE_IX)) 94 ldr w8, [x7, #SNOOP_CTRL_REG] 95 /* Store in x7 the base address of the second interface */ 96 mov_imm x7, (PLAT_MT_CCI_BASE + SLAVE_IFACE_OFFSET( \ 97 PLAT_MT_CCI_CLUSTER1_SL_IFACE_IX)) 98 ldr w9, [x7, #SNOOP_CTRL_REG] 99 /* Store to the crash buf and print to console */ 100 bl str_in_crash_buf_print 101 .endm 102