[mirror_ubuntu-artful-kernel.git] / arch / arm / mach-socfpga / headsmp.S

/*
 *  Copyright (c) 2003 ARM Limited
 *  Copyright (c) u-boot contributors
 *  Copyright (c) 2012 Pavel Machek <pavel@denx.de>
 *
 * 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>

	.arch	armv7-a

ENTRY(secondary_trampoline)
	movw	r2, #:lower16:cpu1start_addr
	movt  r2, #:upper16:cpu1start_addr

	/* The socfpga VT cannot handle a 0xC0000000 page offset when loading
		the cpu1start_addr, we bit clear it. Tested on HW and VT. */
	bic	r2, r2, #0x40000000

	ldr	r0, [r2]
	ldr	r1, [r0]
	bx	r1

ENTRY(secondary_trampoline_end)

ENTRY(socfpga_secondary_startup)
       bl      v7_invalidate_l1
       b       secondary_startup
ENDPROC(socfpga_secondary_startup)
Commit	Line	Data
9c4566a1 DN	1	/*
	2	* Copyright (c) 2003 ARM Limited
	3	* Copyright (c) u-boot contributors
	4	* Copyright (c) 2012 Pavel Machek <pavel@denx.de>
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License version 2 as
	8	* published by the Free Software Foundation.
	9	*/
	10	#include <linux/linkage.h>
	11	#include <linux/init.h>
	12
ad208d03	13	.arch armv7-a
9c4566a1	14
9c4566a1	15	ENTRY(secondary_trampoline)
d6dd735f DN	16	movw r2, #:lower16:cpu1start_addr
	17	movt r2, #:upper16:cpu1start_addr
	18
	19	/* The socfpga VT cannot handle a 0xC0000000 page offset when loading
	20	the cpu1start_addr, we bit clear it. Tested on HW and VT. */
	21	bic r2, r2, #0x40000000
9c4566a1	22
d6dd735f	23	ldr r0, [r2]
9c4566a1 DN	24	ldr r1, [r0]
	25	bx r1
	26
	27	ENTRY(secondary_trampoline_end)
d6dd735f DN	28
	29	ENTRY(socfpga_secondary_startup)
	30	bl v7_invalidate_l1
	31	b secondary_startup
	32	ENDPROC(socfpga_secondary_startup)