Files
Linux_Drivers/linux_5.10/arch/arm/mach-mvebu/headsmp.S
sam.xiang 5c7dd7acc3 [linux] create linux_5.10.4 from T-head official:
repo: https://github.com/T-head-Semi/linux
	commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb

Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
2023-03-10 20:32:41 +08:00

41 lines
1.1 KiB
ArmAsm

/*
* SMP support: Entry point for secondary CPUs
*
* Copyright (C) 2012 Marvell
*
* Yehuda Yitschak <yehuday@marvell.com>
* Gregory CLEMENT <gregory.clement@free-electrons.com>
* Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*
* This file implements the assembly entry point for secondary CPUs in
* an SMP kernel. The only thing we need to do is to add the CPU to
* the coherency fabric by writing to 2 registers. Currently the base
* register addresses are hard coded due to the early initialisation
* problems.
*/
#include <linux/linkage.h>
#include <linux/init.h>
#include <asm/assembler.h>
/*
* Armada XP specific entry point for secondary CPUs.
* We add the CPU to the coherency fabric and then jump to secondary
* startup
*/
ENTRY(armada_xp_secondary_startup)
ARM_BE8(setend be ) @ go BE8 if entered LE
bl ll_add_cpu_to_smp_group
bl ll_enable_coherency
b secondary_startup
ENDPROC(armada_xp_secondary_startup)