[people/ms/u-boot.git] / arch / arm / mach-zynq / lowlevel_init.S

/*
 * Copyright (C) 2013 - 2015 Xilinx, Inc. All rights reserved.
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <asm-offsets.h>
#include <config.h>
#include <linux/linkage.h>

ENTRY(lowlevel_init)

	/* Enable the the VFP */
	mrc	p15, 0, r1, c1, c0, 2
	orr	r1, r1, #(0x3 << 20)
	orr	r1, r1, #(0x3 << 20)
	mcr	p15, 0, r1, c1, c0, 2
	isb
	fmrx	r1, FPEXC
	orr	r1,r1, #(1<<30)
	fmxr	FPEXC, r1

	/* Move back to caller */
	mov	pc, lr

ENDPROC(lowlevel_init)
Commit	Line	Data
c08cfc2d	1	/*
3e1b61de	2	* Copyright (C) 2013 - 2015 Xilinx, Inc. All rights reserved.
c08cfc2d MS	3	*
	4	* SPDX-License-Identifier: GPL-2.0+
	5	*/
	6
	7	#include <asm-offsets.h>
	8	#include <config.h>
	9	#include <linux/linkage.h>
	10
	11	ENTRY(lowlevel_init)
	12
	13	/* Enable the the VFP */
	14	mrc p15, 0, r1, c1, c0, 2
	15	orr r1, r1, #(0x3 << 20)
	16	orr r1, r1, #(0x3 << 20)
	17	mcr p15, 0, r1, c1, c0, 2
	18	isb
	19	fmrx r1, FPEXC
	20	orr r1,r1, #(1<<30)
	21	fmxr FPEXC, r1
	22
	23	/* Move back to caller */
	24	mov pc, lr
	25
	26	ENDPROC(lowlevel_init)