32 lines
884 B
ArmAsm
32 lines
884 B
ArmAsm
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
/*
|
|
* Entry of the second core for CSR Marco dual-core SMP SoCs
|
|
*
|
|
* Copyright (c) 2012 Cambridge Silicon Radio Limited, a CSR plc group company.
|
|
*/
|
|
|
|
#include <linux/linkage.h>
|
|
#include <linux/init.h>
|
|
|
|
#include <asm/assembler.h>
|
|
|
|
/*
|
|
* SIRFSOC specific entry point for secondary CPUs. This provides
|
|
* a "holding pen" into which all secondary cores are held until we're
|
|
* ready for them to initialise.
|
|
*/
|
|
ENTRY(sirfsoc_secondary_startup)
|
|
mrc p15, 0, r0, c0, c0, 5
|
|
and r0, r0, #15
|
|
adr_l r6, prima2_pen_release
|
|
pen: ldr r7, [r6]
|
|
cmp r7, r0
|
|
bne pen
|
|
|
|
/*
|
|
* we've been released from the holding pen: secondary_stack
|
|
* should now contain the SVC stack for this core
|
|
*/
|
|
b secondary_startup
|
|
ENDPROC(sirfsoc_secondary_startup)
|