| /* |
| * Copyright 2011-2015 Freescale Semiconductor, Inc. |
| * Copyright 2011 Linaro Ltd. |
| * |
| * The code contained herein is licensed under the GNU General Public |
| * License. You may obtain a copy of the GNU General Public License |
| * Version 2 or later at the following locations: |
| * |
| * http://www.opensource.org/licenses/gpl-license.html |
| * http://www.gnu.org/copyleft/gpl.html |
| */ |
| |
| #include <linux/linkage.h> |
| #include <linux/init.h> |
| #include <asm/assembler.h> |
| |
| diag_reg_offset: |
| .word g_diag_reg - . |
| |
| .macro set_diag_reg |
| adr r0, diag_reg_offset |
| ldr r1, [r0] |
| add r1, r1, r0 @ r1 = physical &g_diag_reg |
| ldr r0, [r1] |
| mcr p15, 0, r0, c15, c0, 1 @ write diagnostic register |
| .endm |
| |
| ENTRY(v7_secondary_startup) |
| ARM_BE8(setend be) @ go BE8 if entered LE |
| mrc p15, 0, r0, c0, c0, 0 |
| ldr r1, =0xf00 |
| orr r1, r1, #0xff |
| mov r0, r0, lsr #4 |
| and r0, r0, r1 |
| /* 0xc07 is cortex A7's ID */ |
| ldr r1, =0xc00 |
| orr r1, r1, #0x7 |
| cmp r0, r1 |
| beq secondary_startup |
| |
| set_diag_reg |
| b secondary_startup |
| ENDPROC(v7_secondary_startup) |
