1 /* 2 * Copyright (c) 2014, 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 #include <cci400.h> 31 #include <gic_v2.h> 32 #include <plat_config.h> 33 #include "../fvp_def.h" 34 35 .section .rodata.gic_reg_name, "aS" 36 gicc_regs: 37 .asciz "gicc_hppir", "gicc_ahppir", "gicc_ctlr", "" 38 gicd_pend_reg: 39 .asciz "gicd_ispendr regs (Offsets 0x200 - 0x278)\n Offset:\t\t\tvalue\n" 40 newline: 41 .asciz "\n" 42 spacer: 43 .asciz ":\t\t0x" 44 45 /* --------------------------------------------- 46 * The below macro prints out relevant GIC 47 * registers whenever an unhandled exception is 48 * taken in BL3-1. 49 * Clobbers: x0 - x10, x16, x17, sp 50 * --------------------------------------------- 51 */ 52 .macro plat_print_gic_regs 53 mov_imm x0, (VE_SYSREGS_BASE + V2M_SYS_ID) 54 ldr w16, [x0] 55 /* Extract BLD (12th - 15th bits) from the SYS_ID */ 56 ubfx x16, x16, #SYS_ID_BLD_SHIFT, #4 57 /* Check if VE mmap */ 58 cmp w16, #BLD_GIC_VE_MMAP 59 b.eq use_ve_mmap 60 /* Check if Cortex-A53/A57 mmap */ 61 cmp w16, #BLD_GIC_A53A57_MMAP 62 b.ne exit_print_gic_regs 63 mov_imm x17, BASE_GICC_BASE 64 mov_imm x16, BASE_GICD_BASE 65 b print_gicc_regs 66 use_ve_mmap: 67 mov_imm x17, VE_GICC_BASE 68 mov_imm x16, VE_GICD_BASE 69 print_gicc_regs: 70 /* gicc base address is now in x17 */ 71 adr x6, gicc_regs /* Load the gicc reg list to x6 */ 72 /* Load the gicc regs to gp regs used by str_in_crash_buf_print */ 73 ldr w8, [x17, #GICC_HPPIR] 74 ldr w9, [x17, #GICC_AHPPIR] 75 ldr w10, [x17, #GICC_CTLR] 76 /* Store to the crash buf and print to console */ 77 bl str_in_crash_buf_print 78 79 /* Print the GICD_ISPENDR regs */ 80 add x7, x16, #GICD_ISPENDR 81 adr x4, gicd_pend_reg 82 bl asm_print_str 83 gicd_ispendr_loop: 84 sub x4, x7, x16 85 cmp x4, #0x280 86 b.eq exit_print_gic_regs 87 bl asm_print_hex 88 adr x4, spacer 89 bl asm_print_str 90 ldr x4, [x7], #8 91 bl asm_print_hex 92 adr x4, newline 93 bl asm_print_str 94 b gicd_ispendr_loop 95 exit_print_gic_regs: 96 .endm 97 98 .section .rodata.cci_reg_name, "aS" 99 cci_iface_regs: 100 .asciz "cci_snoop_ctrl_cluster0", "cci_snoop_ctrl_cluster1" , "" 101 102 /* ------------------------------------------------ 103 * The below macro prints out relevant interconnect 104 * registers whenever an unhandled exception is 105 * taken in BL3-1. 106 * Clobbers: x0 - x9, sp 107 * ------------------------------------------------ 108 */ 109 .macro plat_print_interconnect_regs 110 adr x6, cci_iface_regs 111 /* Store in x7 the base address of the first interface */ 112 mov_imm x7, (CCI400_BASE + SLAVE_IFACE3_OFFSET) 113 ldr w8, [x7, #SNOOP_CTRL_REG] 114 /* Store in x7 the base address of the second interface */ 115 mov_imm x7, (CCI400_BASE + SLAVE_IFACE4_OFFSET) 116 ldr w9, [x7, #SNOOP_CTRL_REG] 117 /* Store to the crash buf and print to console */ 118 bl str_in_crash_buf_print 119 .endm 120
