arm: zynq: Add smp support

Zynq is dual core Cortex A9 which starts always
at zero. Using simple trampoline ensure long jump
to secondary_startup code.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>

1 files changed, 11 insertions, 0 deletions

diff --git a/arch/arm/mach-zynq/common.h b/arch/arm/mach-zynq/common.h
index d7ec3caaa1d7..fd308f8b18d9 100644
--- a/arch/arm/mach-zynq/common.h
+++ b/arch/arm/mach-zynq/common.h
@@ -19,6 +19,17 @@
 
 extern int zynq_slcr_init(void);
 extern void zynq_slcr_system_reset(void);
+extern void zynq_slcr_cpu_stop(int cpu);
+extern void zynq_slcr_cpu_start(int cpu);
+
+#ifdef CONFIG_SMP
+extern void secondary_startup(void);
+extern char zynq_secondary_trampoline;
+extern char zynq_secondary_trampoline_jump;
+extern char zynq_secondary_trampoline_end;
+extern int __cpuinit zynq_cpun_start(u32 address, int cpu);
+extern struct smp_operations zynq_smp_ops __initdata;
+#endif
 
 extern void __iomem *zynq_slcr_base;
 extern void __iomem *zynq_scu_base;