irqchip: Add Loongson PCH MSI controller

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This controller appears on Loongson LS7A family of PCH to transform
interrupts from PCI MSI into HyperTransport vectorized interrrupts
and send them to procrssor's HT vector controller.

Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20200528152757.1028711-6-jiaxun.yang@flygoat.com

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Jiaxun Yang 2020-05-28 23:27:53 +08:00 • committed by Marc Zyngier

parent b6e4bc125f

commit 632dcc2c75

3 changed files with 266 additions and 0 deletions

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10

drivers/irqchip/Kconfig

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1

drivers/irqchip/Makefile

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255

drivers/irqchip/irq-loongson-pch-msi.c

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