blob: de5047c8a6c87ab2fc957ed09e51897780e287fc [file] [log] [blame]
Shawn Guo69c31b72011-09-06 14:59:40 +08001/*
2 * Copyright 2011 Freescale Semiconductor, Inc.
3 * Copyright 2011 Linaro Ltd.
4 *
5 * The code contained herein is licensed under the GNU General Public
6 * License. You may obtain a copy of the GNU General Public License
7 * Version 2 or later at the following locations:
8 *
9 * http://www.opensource.org/licenses/gpl-license.html
10 * http://www.gnu.org/copyleft/gpl.html
11 */
12
13#include <linux/linkage.h>
14#include <linux/init.h>
Shawn Guo69c31b72011-09-06 14:59:40 +080015
Shawn Guo087bb282013-04-16 22:11:19 +080016diag_reg_offset:
17 .word g_diag_reg - .
18
19 .macro set_diag_reg
20 adr r0, diag_reg_offset
21 ldr r1, [r0]
22 add r1, r1, r0 @ r1 = physical &g_diag_reg
23 ldr r0, [r1]
24 mcr p15, 0, r0, c15, c0, 1 @ write diagnostic register
25 .endm
26
Shawn Guo69c31b72011-09-06 14:59:40 +080027ENTRY(v7_secondary_startup)
28 bl v7_invalidate_l1
Shawn Guo087bb282013-04-16 22:11:19 +080029 set_diag_reg
Shawn Guo69c31b72011-09-06 14:59:40 +080030 b secondary_startup
31ENDPROC(v7_secondary_startup)