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/*
* Copyright (c) 2018-2021, Arm Limited and Contributors. All rights reserved.
* Copyright (c) 2018-2022, Xilinx, Inc. All rights reserved.
* Copyright (c) 2022, Advanced Micro Devices, Inc. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <arch.h>
#include <asm_macros.S>
#include <drivers/arm/gicv3.h>
#include <platform_def.h>
.globl plat_secondary_cold_boot_setup
.globl plat_is_my_cpu_primary
.globl platform_mem_init
.globl plat_my_core_pos
.globl plat_crash_console_init
.globl plat_crash_console_putc
.globl plat_crash_console_flush
/* -----------------------------------------------------
* void plat_secondary_cold_boot_setup (void);
*
* This function performs any platform specific actions
* needed for a secondary cpu after a cold reset e.g
* mark the cpu's presence, mechanism to place it in a
* holding pen etc.
* TODO: Should we read the PSYS register to make sure
* that the request has gone through.
* -----------------------------------------------------
*/
func plat_secondary_cold_boot_setup
mrs x0, mpidr_el1
/*
* There is no sane reason to come out of this wfi. This
* cpu will be powered on and reset by the cpu_on pm api
*/
dsb sy
bl plat_panic_handler
endfunc plat_secondary_cold_boot_setup
func plat_is_my_cpu_primary
mov x9, x30
bl plat_my_core_pos
cmp x0, #VERSAL_NET_PRIMARY_CPU
cset x0, eq
ret x9
endfunc plat_is_my_cpu_primary
/* -----------------------------------------------------
* unsigned int plat_my_core_pos(void)
* This function uses the plat_core_pos_by_mpidr()
* definition to get the index of the calling CPU.
* -----------------------------------------------------
*/
func plat_my_core_pos
mrs x0, mpidr_el1
b plat_core_pos_by_mpidr
endfunc plat_my_core_pos
/* ---------------------------------------------------------------------
* We don't need to carry out any memory initialization on Versal NET
* platform. The Secure RAM is accessible straight away.
* ---------------------------------------------------------------------
*/
func platform_mem_init
ret
endfunc platform_mem_init
/* ---------------------------------------------
* int plat_crash_console_init(void)
* Function to initialize the crash console
* without a C Runtime to print crash report.
* Clobber list : x0, x1, x2
* ---------------------------------------------
*/
func plat_crash_console_init
/* mov_imm x0, PLAT_VERSAL_NET_CRASH_UART_BASE
mov_imm x1, PLAT_VERSAL_NET_CRASH_UART_CLK_IN_HZ
mov_imm x2, VERSAL_NET_CONSOLE_BAUDRATE
b console_pl011_core_init */
endfunc plat_crash_console_init
/* ---------------------------------------------
* int plat_crash_console_putc(int c)
* Function to print a character on the crash
* console without a C Runtime.
* Clobber list : x1, x2
* ---------------------------------------------
*/
func plat_crash_console_putc
mov_imm x1, PLAT_VERSAL_NET_CRASH_UART_BASE
b console_pl011_core_putc
endfunc plat_crash_console_putc
/* ---------------------------------------------
* void plat_crash_console_flush()
* Function to force a write of all buffered
* data that hasn't been output.
* Out : void.
* Clobber list : x0, x1
* ---------------------------------------------
*/
func plat_crash_console_flush
mov_imm x0, PLAT_VERSAL_NET_CRASH_UART_BASE
b console_pl011_core_flush
endfunc plat_crash_console_flush
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