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/*
* Copyright (c) 2015-2016, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <arch.h>
#include <asm_macros.S>
#include <assert_macros.S>
#include <denver.h>
#include <cpu_macros.S>
#include <plat_macros.S>
.global denver_disable_dco
/* ---------------------------------------------
* Disable debug interfaces
* ---------------------------------------------
*/
func denver_disable_ext_debug
mov x0, #1
msr osdlr_el1, x0
isb
dsb sy
ret
endfunc denver_disable_ext_debug
/* ----------------------------------------------------
* Enable dynamic code optimizer (DCO)
* ----------------------------------------------------
*/
func denver_enable_dco
mrs x0, mpidr_el1
and x0, x0, #0xF
mov x1, #1
lsl x1, x1, x0
msr s3_0_c15_c0_2, x1
ret
endfunc denver_enable_dco
/* ----------------------------------------------------
* Disable dynamic code optimizer (DCO)
* ----------------------------------------------------
*/
func denver_disable_dco
/* turn off background work */
mrs x0, mpidr_el1
and x0, x0, #0xF
mov x1, #1
lsl x1, x1, x0
lsl x2, x1, #16
msr s3_0_c15_c0_2, x2
isb
/* wait till the background work turns off */
1: mrs x2, s3_0_c15_c0_2
lsr x2, x2, #32
and w2, w2, 0xFFFF
and x2, x2, x1
cbnz x2, 1b
ret
endfunc denver_disable_dco
/* -------------------------------------------------
* The CPU Ops reset function for Denver.
* -------------------------------------------------
*/
func denver_reset_func
mov x19, x30
/* ----------------------------------------------------
* Enable dynamic code optimizer (DCO)
* ----------------------------------------------------
*/
bl denver_enable_dco
ret x19
endfunc denver_reset_func
/* ----------------------------------------------------
* The CPU Ops core power down function for Denver.
* ----------------------------------------------------
*/
func denver_core_pwr_dwn
mov x19, x30
/* ---------------------------------------------
* Force the debug interfaces to be quiescent
* ---------------------------------------------
*/
bl denver_disable_ext_debug
ret x19
endfunc denver_core_pwr_dwn
/* -------------------------------------------------------
* The CPU Ops cluster power down function for Denver.
* -------------------------------------------------------
*/
func denver_cluster_pwr_dwn
ret
endfunc denver_cluster_pwr_dwn
/* ---------------------------------------------
* This function provides Denver specific
* register information for crash reporting.
* It needs to return with x6 pointing to
* a list of register names in ascii and
* x8 - x15 having values of registers to be
* reported.
* ---------------------------------------------
*/
.section .rodata.denver_regs, "aS"
denver_regs: /* The ascii list of register names to be reported */
.asciz "actlr_el1", ""
func denver_cpu_reg_dump
adr x6, denver_regs
mrs x8, ACTLR_EL1
ret
endfunc denver_cpu_reg_dump
declare_cpu_ops denver, DENVER_MIDR_PN0, \
denver_reset_func, \
denver_core_pwr_dwn, \
denver_cluster_pwr_dwn
declare_cpu_ops denver, DENVER_MIDR_PN1, \
denver_reset_func, \
denver_core_pwr_dwn, \
denver_cluster_pwr_dwn
declare_cpu_ops denver, DENVER_MIDR_PN2, \
denver_reset_func, \
denver_core_pwr_dwn, \
denver_cluster_pwr_dwn
declare_cpu_ops denver, DENVER_MIDR_PN3, \
denver_reset_func, \
denver_core_pwr_dwn, \
denver_cluster_pwr_dwn
declare_cpu_ops denver, DENVER_MIDR_PN4, \
denver_reset_func, \
denver_core_pwr_dwn, \
denver_cluster_pwr_dwn
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