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Diffstat (limited to 'arch/arm/mach-imx/headsmp.S')
| -rw-r--r-- | arch/arm/mach-imx/headsmp.S | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/headsmp.S b/arch/arm/mach-imx/headsmp.S new file mode 100644 index 000000000..de5047c8a --- /dev/null +++ b/arch/arm/mach-imx/headsmp.S @@ -0,0 +1,31 @@ +/* + * Copyright 2011 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> + +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) + bl v7_invalidate_l1 + set_diag_reg + b secondary_startup +ENDPROC(v7_secondary_startup) |