1*91f16700Schasinglulu/* 2*91f16700Schasinglulu * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved. 3*91f16700Schasinglulu * Copyright (c) 2018-2020, The Linux Foundation. All rights reserved. 4*91f16700Schasinglulu * 5*91f16700Schasinglulu * SPDX-License-Identifier: BSD-3-Clause 6*91f16700Schasinglulu */ 7*91f16700Schasinglulu 8*91f16700Schasinglulu#include <arch.h> 9*91f16700Schasinglulu#include <asm_macros.S> 10*91f16700Schasinglulu#include <cpu_macros.S> 11*91f16700Schasinglulu 12*91f16700Schasinglulu#include <plat_macros.S> 13*91f16700Schasinglulu#include <qti_cpu.h> 14*91f16700Schasinglulu 15*91f16700Schasinglulu .p2align 3 16*91f16700Schasinglulu 17*91f16700Schasinglulu/* ------------------------------------------------- 18*91f16700Schasinglulu * The CPU Ops reset function for Kryo-3 Gold 19*91f16700Schasinglulu * ------------------------------------------------- 20*91f16700Schasinglulu */ 21*91f16700Schasinglulufunc qti_kryo4_gold_reset_func 22*91f16700Schasinglulu#if IMAGE_BL31 && WORKAROUND_CVE_2017_5715 23*91f16700Schasinglulu adr x0, wa_cve_2017_5715_bpiall_vbar 24*91f16700Schasinglulu msr vbar_el3, x0 25*91f16700Schasinglulu isb 26*91f16700Schasinglulu#endif 27*91f16700Schasinglulu 28*91f16700Schasinglulu mov x19, x30 29*91f16700Schasinglulu 30*91f16700Schasinglulu bl qtiseclib_kryo4_gold_reset_asm 31*91f16700Schasinglulu mov x30, x19 32*91f16700Schasinglulu b cortex_a76_reset_func 33*91f16700Schasinglulu 34*91f16700Schasingluluendfunc qti_kryo4_gold_reset_func 35*91f16700Schasinglulu 36*91f16700Schasinglulu/* ------------------------------------------------------- 37*91f16700Schasinglulu * The CPU Ops cluster power down function for Kryo-3 Gold 38*91f16700Schasinglulu * ------------------------------------------------------- 39*91f16700Schasinglulu */ 40*91f16700Schasinglulufunc qti_kryo4_gold_cluster_pwr_dwn 41*91f16700Schasinglulu ret 42*91f16700Schasingluluendfunc qti_kryo4_gold_cluster_pwr_dwn 43*91f16700Schasinglulu 44*91f16700Schasinglulu#if REPORT_ERRATA 45*91f16700Schasinglulu/* 46*91f16700Schasinglulu * Errata printing function for Kryo4 Gold. Must follow AAPCS. 47*91f16700Schasinglulu */ 48*91f16700Schasinglulufunc qti_kryo4_gold_errata_report 49*91f16700Schasinglulu /* TODO : Need to add support. Required only for debug bl31 image.*/ 50*91f16700Schasinglulu ret 51*91f16700Schasingluluendfunc qti_kryo4_gold_errata_report 52*91f16700Schasinglulu#endif 53*91f16700Schasinglulu 54*91f16700Schasinglulu/* --------------------------------------------- 55*91f16700Schasinglulu * This function provides kryo4_gold specific 56*91f16700Schasinglulu * register information for crash reporting. 57*91f16700Schasinglulu * It needs to return with x6 pointing to 58*91f16700Schasinglulu * a list of register names in ASCII and 59*91f16700Schasinglulu * x8 - x15 having values of registers to be 60*91f16700Schasinglulu * reported. 61*91f16700Schasinglulu * --------------------------------------------- 62*91f16700Schasinglulu */ 63*91f16700Schasinglulu.section .rodata.qti_kryo4_gold_regs, "aS" 64*91f16700Schasingluluqti_kryo4_gold_regs: /* The ASCII list of register names to be reported */ 65*91f16700Schasinglulu .asciz "" 66*91f16700Schasinglulu 67*91f16700Schasinglulufunc qti_kryo4_gold_cpu_reg_dump 68*91f16700Schasinglulu adr x6, qti_kryo4_gold_regs 69*91f16700Schasinglulu ret 70*91f16700Schasingluluendfunc qti_kryo4_gold_cpu_reg_dump 71*91f16700Schasinglulu 72*91f16700Schasingluludeclare_cpu_ops_wa qti_kryo4_gold, QTI_KRYO4_GOLD_MIDR, \ 73*91f16700Schasinglulu qti_kryo4_gold_reset_func, \ 74*91f16700Schasinglulu CPU_NO_EXTRA1_FUNC, \ 75*91f16700Schasinglulu cortex_a76_disable_wa_cve_2018_3639, \ 76*91f16700Schasinglulu cortex_a76_core_pwr_dwn, \ 77*91f16700Schasinglulu qti_kryo4_gold_cluster_pwr_dwn 78