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authorDavid Daney <david.daney@cavium.com>2016-02-09 11:00:11 -0800
committerRalf Baechle <ralf@linux-mips.org>2016-05-13 14:01:41 +0200
commitce210d35bb93c2c5c8857878123275ecdcfd7018 (patch)
treed1200954164c660d720751a8a7ae1ad93df7d9f6 /arch/mips/include
parent9bc22239956e3877d085b843bfe89ab2a98ab50a (diff)
MIPS: OCTEON: Add support for OCTEON III interrupt controller.
Add irq_chip support for both IPI and "normal" interrupts of the CIU3 controller. Document the device tree binding for the CIU3. Some functions are non-static as they will be used by follow-on support for MSI-X. Signed-off-by: David Daney <david.daney@cavium.com> Acked-by: Rob Herring <robh@kernel.org> Cc: Rob Herring <robh+dt@kernel.org> Cc: Pawel Moll <pawel.moll@arm.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Ian Campbell <ijc+devicetree@hellion.org.uk> Cc: Kumar Gala <galak@codeaurora.org> Cc: devicetree@vger.kernel.org Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/12500/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/include')
-rw-r--r--arch/mips/include/asm/octeon/octeon.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/mips/include/asm/octeon/octeon.h b/arch/mips/include/asm/octeon/octeon.h
index de9f74ee5dd0..53d51aeb9140 100644
--- a/arch/mips/include/asm/octeon/octeon.h
+++ b/arch/mips/include/asm/octeon/octeon.h
@@ -299,6 +299,25 @@ static inline void octeon_npi_write32(uint64_t address, uint32_t val)
cvmx_read64_uint32(address ^ 4);
}
+struct irq_domain;
+struct device_node;
+struct irq_data;
+struct irq_chip;
+void octeon_ciu3_mbox_send(int cpu, unsigned int mbox);
+int octeon_irq_ciu3_xlat(struct irq_domain *d,
+ struct device_node *node,
+ const u32 *intspec,
+ unsigned int intsize,
+ unsigned long *out_hwirq,
+ unsigned int *out_type);
+void octeon_irq_ciu3_enable(struct irq_data *data);
+void octeon_irq_ciu3_disable(struct irq_data *data);
+void octeon_irq_ciu3_ack(struct irq_data *data);
+void octeon_irq_ciu3_mask(struct irq_data *data);
+void octeon_irq_ciu3_mask_ack(struct irq_data *data);
+int octeon_irq_ciu3_mapx(struct irq_domain *d, unsigned int virq,
+ irq_hw_number_t hw, struct irq_chip *chip);
+
/* Octeon multiplier save/restore routines from octeon_switch.S */
void octeon_mult_save(void);
void octeon_mult_restore(void);