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linux-next/arch/arm/mach-zynq/headsmp.S
Michal Simek eb28d0bb85 ARM: zynq: Enable big-endian
Enable ARCH_SUPPORTS_BIG_ENDIAN in Kconfig.

zynq_secondary_trampoline is the first function
that is called on secondary CPU.
Reference:
"ARM: mcpm: fix big endian issue in mcpm startup code"
(sha1: 519ceb9fd1)

Fix early printk support. Based on:
"ARM: pl01x debug code endian fix"
(sha1: 76e3faf156)

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2014-05-20 16:17:13 +02:00

30 lines
857 B
ArmAsm

/*
* Copyright (c) 2013 Steffen Trumtrar <s.trumtrar@pengutronix.de>
* Copyright (c) 2012-2013 Xilinx
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/linkage.h>
#include <linux/init.h>
#include <asm/assembler.h>
ENTRY(zynq_secondary_trampoline)
ARM_BE8(setend be) @ ensure we are in BE8 mode
ldr r0, zynq_secondary_trampoline_jump
ARM_BE8(rev r0, r0)
bx r0
.globl zynq_secondary_trampoline_jump
zynq_secondary_trampoline_jump:
/* Space for jumping address */
.word /* cpu 1 */
.globl zynq_secondary_trampoline_end
zynq_secondary_trampoline_end:
ENDPROC(zynq_secondary_trampoline)
ENTRY(zynq_secondary_startup)
bl v7_invalidate_l1
b secondary_startup
ENDPROC(zynq_secondary_startup)