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/*
* 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
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