1/* 2 * Copyright (c) 2014-2015, Linaro Ltd and Contributors. All rights reserved. 3 * Copyright (c) 2014-2015, Hisilicon Ltd and Contributors. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * Redistributions of source code must retain the above copyright notice, this 9 * list of conditions and the following disclaimer. 10 * 11 * Redistributions in binary form must reproduce the above copyright notice, 12 * this list of conditions and the following disclaimer in the documentation 13 * and/or other materials provided with the distribution. 14 * 15 * Neither the name of ARM nor the names of its contributors may be used 16 * to endorse or promote products derived from this software without specific 17 * prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32#include <cci400.h> 33#include <gic_v2.h> 34#include "platform_def.h" 35#include "../hikey_def.h" 36 37.section .rodata.gic_reg_name, "aS" 38gicc_regs: 39 .asciz "gicc_hppir", "gicc_ahppir", "gicc_ctlr", "" 40gicd_pend_reg: 41 .asciz "gicd_ispendr regs (Offsets 0x200 - 0x278)\n Offset:\t\t\tvalue\n" 42newline: 43 .asciz "\n" 44spacer: 45 .asciz ":\t\t0x" 46 47 48 /* --------------------------------------------- 49 * The below macro prints out relevant GIC 50 * registers whenever an unhandled exception is 51 * taken in BL3-1. 52 * Clobbers: x0 - x10, x16, sp 53 * --------------------------------------------- 54 */ 55 .macro plat_print_gic_regs 56 mov_imm x16, GICD_BASE 57 mov_imm x17, GICC_BASE 58 /* Load the gicc reg list to x6 */ 59 adr x6, gicc_regs 60 /* Load the gicc regs to gp regs used by str_in_crash_buf_print */ 61 ldr w8, [x17, #GICC_HPPIR] 62 ldr w9, [x17, #GICC_AHPPIR] 63 ldr w10, [x17, #GICC_CTLR] 64 /* Store to the crash buf and print to console */ 65 bl str_in_crash_buf_print 66 67 /* Print the GICD_ISPENDR regs */ 68 add x7, x16, #GICD_ISPENDR 69 adr x4, gicd_pend_reg 70 bl asm_print_str 71gicd_ispendr_loop: 72 sub x4, x7, x16 73 cmp x4, #0x280 74 b.eq exit_print_gic_regs 75 bl asm_print_hex 76 77 adr x4, spacer 78 bl asm_print_str 79 80 ldr x4, [x7], #8 81 bl asm_print_hex 82 83 adr x4, newline 84 bl asm_print_str 85 b gicd_ispendr_loop 86exit_print_gic_regs: 87 .endm 88 89.section .rodata.cci_reg_name, "aS" 90cci_iface_regs: 91 .asciz "cci_snoop_ctrl_cluster0", "cci_snoop_ctrl_cluster1" , "" 92 93 /* ------------------------------------------------ 94 * The below macro prints out relevant interconnect 95 * registers whenever an unhandled exception is 96 * taken in BL3-1. 97 * Clobbers: x0 - x9, sp 98 * ------------------------------------------------ 99 */ 100 .macro plat_print_interconnect_regs 101 adr x6, cci_iface_regs 102 /* Store in x7 the base address of the first interface */ 103 mov_imm x7, (CCI400_BASE + SLAVE_IFACE3_OFFSET) 104 ldr w8, [x7, #SNOOP_CTRL_REG] 105 /* Store in x7 the base address of the second interface */ 106 mov_imm x7, (CCI400_BASE + SLAVE_IFACE4_OFFSET) 107 ldr w9, [x7, #SNOOP_CTRL_REG] 108 /* Store to the crash buf and print to console */ 109 bl str_in_crash_buf_print 110 .endm 111