| /* |
| * Copyright (c) 2014, ARM Limited and Contributors. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * Redistributions of source code must retain the above copyright notice, this |
| * list of conditions and the following disclaimer. |
| * |
| * Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * |
| * Neither the name of ARM nor the names of its contributors may be used |
| * to endorse or promote products derived from this software without specific |
| * prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #include <cci.h> |
| #include <gic_v2.h> |
| #include <plat_config.h> |
| #include "../fvp_def.h" |
| |
| .section .rodata.gic_reg_name, "aS" |
| gicc_regs: |
| .asciz "gicc_hppir", "gicc_ahppir", "gicc_ctlr", "" |
| gicd_pend_reg: |
| .asciz "gicd_ispendr regs (Offsets 0x200 - 0x278)\n Offset:\t\t\tvalue\n" |
| newline: |
| .asciz "\n" |
| spacer: |
| .asciz ":\t\t0x" |
| |
| /* --------------------------------------------- |
| * The below macro prints out relevant GIC |
| * registers whenever an unhandled exception is |
| * taken in BL3-1. |
| * Clobbers: x0 - x10, x16, x17, sp |
| * --------------------------------------------- |
| */ |
| .macro plat_print_gic_regs |
| mov_imm x0, (VE_SYSREGS_BASE + V2M_SYS_ID) |
| ldr w16, [x0] |
| /* Extract BLD (12th - 15th bits) from the SYS_ID */ |
| ubfx x16, x16, #SYS_ID_BLD_SHIFT, #4 |
| /* Check if VE mmap */ |
| cmp w16, #BLD_GIC_VE_MMAP |
| b.eq use_ve_mmap |
| /* Check if Cortex-A53/A57 mmap */ |
| cmp w16, #BLD_GIC_A53A57_MMAP |
| b.ne exit_print_gic_regs |
| mov_imm x17, BASE_GICC_BASE |
| mov_imm x16, BASE_GICD_BASE |
| b print_gicc_regs |
| use_ve_mmap: |
| mov_imm x17, VE_GICC_BASE |
| mov_imm x16, VE_GICD_BASE |
| print_gicc_regs: |
| /* gicc base address is now in x17 */ |
| adr x6, gicc_regs /* Load the gicc reg list to x6 */ |
| /* Load the gicc regs to gp regs used by str_in_crash_buf_print */ |
| ldr w8, [x17, #GICC_HPPIR] |
| ldr w9, [x17, #GICC_AHPPIR] |
| ldr w10, [x17, #GICC_CTLR] |
| /* Store to the crash buf and print to console */ |
| bl str_in_crash_buf_print |
| |
| /* Print the GICD_ISPENDR regs */ |
| add x7, x16, #GICD_ISPENDR |
| adr x4, gicd_pend_reg |
| bl asm_print_str |
| gicd_ispendr_loop: |
| sub x4, x7, x16 |
| cmp x4, #0x280 |
| b.eq exit_print_gic_regs |
| bl asm_print_hex |
| adr x4, spacer |
| bl asm_print_str |
| ldr x4, [x7], #8 |
| bl asm_print_hex |
| adr x4, newline |
| bl asm_print_str |
| b gicd_ispendr_loop |
| exit_print_gic_regs: |
| .endm |
| |
| .section .rodata.cci_reg_name, "aS" |
| cci_iface_regs: |
| .asciz "cci_snoop_ctrl_cluster0", "cci_snoop_ctrl_cluster1" , "" |
| |
| /* ------------------------------------------------ |
| * The below macro prints out relevant interconnect |
| * registers whenever an unhandled exception is |
| * taken in BL3-1. |
| * Clobbers: x0 - x9, sp |
| * ------------------------------------------------ |
| */ |
| .macro plat_print_interconnect_regs |
| adr x6, cci_iface_regs |
| /* Store in x7 the base address of the first interface */ |
| mov_imm x7, (CCI400_BASE + SLAVE_IFACE3_OFFSET) |
| ldr w8, [x7, #SNOOP_CTRL_REG] |
| /* Store in x7 the base address of the second interface */ |
| mov_imm x7, (CCI400_BASE + SLAVE_IFACE4_OFFSET) |
| ldr w9, [x7, #SNOOP_CTRL_REG] |
| /* Store to the crash buf and print to console */ |
| bl str_in_crash_buf_print |
| .endm |