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irqchip/gic-phytium-2500: Add support for GIC of Phytium PS20064 #158

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merged 2 commits into from
Jun 25, 2024

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lyt31
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@lyt31 lyt31 commented May 20, 2024

Phytium Ps20064 adjusts the GIC's implementation to support multi-socket
system designs. This patch adds the driver of this new implementation
while keeping the kernel binary compatible with other ARM servers in
the ecosystem.

When system resume from suspend to ram, firmware just restore
GICR_CTLR_ENABLE_LPIs of boot CPU, the other CPUs also should
be restored.

lyt31 added 2 commits May 20, 2024 09:59
Phytium Ps20064 adjusts the GIC's implementation to support multi-socket
system designs. This patch adds the driver of this new implementation
while keeping the kernel binary compatible with other ARM servers in
the ecosystem.

Signed-off-by: Li Yuting <[email protected]>
Signed-off-by: Wang Yinfeng <[email protected]>
Signed-off-by: Chen Baozi <[email protected]>
When system resume from suspend to ram, firmware just restore
GICR_CTLR_ENABLE_LPIs of boot CPU, the other CPUs also should
be restored.

Signed-off-by: Li Yuting <[email protected]>
Signed-off-by: Wang Xu <[email protected]>
Signed-off-by: Feng Jun <[email protected]>
Signed-off-by: Chen Baozi <[email protected]>
Signed-off-by: Wang Yinfeng <[email protected]>
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Hi @lyt31. Thanks for your PR.

I'm waiting for a deepin-community member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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@@ -4941,6 +4942,23 @@ static void its_restore_enable(void)
GITS_TYPER_HCC(gic_read_typer(base + GITS_TYPER)))
its_cpu_init_collection(its);
}

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这个代码是已经上游了还是只会在飞腾上面生效?

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只在飞腾上面生效

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opsiff commented Jun 25, 2024

/ok-to-test

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deepin pr auto review

GICv4 ITS specific commands and registers

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3 participants