1/*
2 * Copyright (c) 2011 Aeroflex Gaisler
3 *
4 * BSD license:
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25
26#include <asm-leon/head.h>
27
28	.section .text
29	/* ------- */
30	.weak	_hardreset_mvt
31	.set	_hardreset_mvt,_hardreset_mvt_ram
32	/* ------- */
33	.global	_hardreset
34
35_hardreset_mvt_ram:
36	mov	%psr, %g1
37	srl	%g1, 24, %g1
38	and  	%g1, 3, %g1
39	subcc	%g1, 3, %g0             ! leon2: 0 or 2, leon3:	3
40	bne	.L2
41	 nop
42
43	mov	%asr17, %g1		! set svt
44	set     1<<13,%g2
45	andn    %g1,%g2,%g1
46	mov     %g1, %asr17
47
48.L2:	mov	%g0, %g4
49	sethi	%hi(_hardreset), %g4
50	jmp	%g4+%lo(_hardreset);
51         nop
52
53