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hw/loongarch: fdt adds pch_msi Controller

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fdt adds pch msi controller, we use 'loongson,pch-msi-1.0'.

See:
https://github.com/torvalds/linux/blob/v6.7/drivers/irqchip/irq-loongson-pch-msi.c
https://lore.kernel.org/r/20200528152757.1028711-6-jiaxun.yang@flygoat.com

Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Message-Id: <20240426091551.2397867-14-gaosong@loongson.cn>
This commit is contained in:
Song Gao 2024-04-26 17:15:47 +08:00
parent 2904f50a81
commit 572d45e546
2 changed files with 33 additions and 1 deletions
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1
include/hw/pci-host/ls7a.h
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@ -25,6 +25,7 @@
#define VIRT_IOAPIC_REG_BASE (VIRT_PCH_REG_BASE)
#define VIRT_PCH_MSI_ADDR_LOW 0x2FF00000UL
#define VIRT_PCH_REG_SIZE 0x400
#define VIRT_PCH_MSI_SIZE 0x8
/*
* GSI_BASE is hard-coded with 64 in linux kernel, else kernel fails to boot