arm: mvebu: Add IPI support via doorbells

This patch enhances the IRQ controller driver to add support for
Inter-Processor-Interrupts that are needed to enable SMP support.

Signed-off-by: Yehuda Yitschak <yehuday@marvell.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/arch/arm/mach-mvebu/armada-370-xp.h b/arch/arm/mach-mvebu/armada-370-xp.h
index aac9bebc6b03..c6a7d74fddfe 100644
--- a/arch/arm/mach-mvebu/armada-370-xp.h
+++ b/arch/arm/mach-mvebu/armada-370-xp.h
@@ -19,4 +19,11 @@
 #define ARMADA_370_XP_REGS_VIRT_BASE    IOMEM(0xfeb00000)
 #define ARMADA_370_XP_REGS_SIZE         SZ_1M
 
+#ifdef CONFIG_SMP
+#include <linux/cpumask.h>
+
+void armada_mpic_send_doorbell(const struct cpumask *mask, unsigned int irq);
+void armada_xp_mpic_smp_cpu_init(void);
+#endif
+
 #endif /* __MACH_ARMADA_370_XP_H */