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| author | David Daney <david.daney@cavium.com> | 2016-02-09 22:00:11 +0300 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2016-05-13 15:01:41 +0300 |
| commit | ce210d35bb93c2c5c8857878123275ecdcfd7018 (patch) | |
| tree | d1200954164c660d720751a8a7ae1ad93df7d9f6 /arch/mips/include/asm/octeon | |
| parent | 9bc22239956e3877d085b843bfe89ab2a98ab50a (diff) | |
| download | linux-ce210d35bb93c2c5c8857878123275ecdcfd7018.tar.xz | |
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/asm/octeon')
| -rw-r--r-- | arch/mips/include/asm/octeon/octeon.h | 19 |
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); |