| /* |
| * Copyright (c) 2015-2017, Renesas Electronics Corporation. All rights reserved. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| #include <drivers/arm/cci.h> |
| #include <drivers/arm/gic_common.h> |
| #include <drivers/arm/gicv2.h> |
| |
| #include "rcar_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 x17, RCAR_GICC_BASE |
| mov_imm x16, RCAR_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, (CCI500_BASE + SLAVE_IFACE3_OFFSET) |
| ldr w8, [x7, #SNOOP_CTRL_REG] |
| /* Store in x7 the base address of the second interface */ |
| mov_imm x7, (CCI500_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 |
| |
| .macro plat_crash_print_regs |
| plat_print_gic_regs |
| plat_print_interconnect_regs |
| .endm |