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Message-ID: <CAMRc=MdSTqO0bW1=_it43K_pn7EuBWRPvBF29N1gdqsh3TpAcg@mail.gmail.com>
Date: Tue, 11 Apr 2023 13:50:29 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Eric Chanudet <echanude@...hat.com>,
Shazad Hussain <quic_shazhuss@...cinc.com>
Cc: Bjorn Andersson <andersson@...nel.org>,
Andy Gross <agross@...nel.org>,
Konrad Dybcio <konrad.dybcio@...aro.org>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Will Deacon <will@...nel.org>,
Robin Murphy <robin.murphy@....com>,
Joerg Roedel <joro@...tes.org>,
Catalin Marinas <catalin.marinas@....com>,
Arnd Bergmann <arnd@...db.de>, linux-arm-msm@...r.kernel.org,
linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
iommu@...ts.linux.dev,
Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: Re: [PATCH v2 5/7] arm64: dts: qcom: sa8775p: add the pcie smmu node
On Mon, Apr 10, 2023 at 10:11 PM Eric Chanudet <echanude@...hat.com> wrote:
>
> On Thu, Apr 06, 2023 at 10:07:21PM +0200, Bartosz Golaszewski wrote:
> > From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> >
> > Add the PCIe SMMU node for sa8775p platforms.
> >
> > Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> > Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>
> > ---
> > arch/arm64/boot/dts/qcom/sa8775p.dtsi | 74 +++++++++++++++++++++++++++
> > 1 file changed, 74 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
> > index 2343df7e0ea4..9ab630c7d81b 100644
> > --- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi
> > +++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
> > @@ -809,6 +809,80 @@ apps_smmu: iommu@...00000 {
> > <GIC_SPI 891 IRQ_TYPE_LEVEL_HIGH>;
> > };
> >
> > + pcie_smmu: iommu@...00000 {
> > + compatible = "qcom,sa8775p-smmu-500", "qcom,smmu-500", "arm,mmu-500";
> > + reg = <0x0 0x15200000 0x0 0x800000>;
>
> Testing on the board, applying on next-20230406:
> [ 1.041869] arm-smmu 15200000.iommu: SMMU address space size (0x80000) differs from mapped region size (0x800000)!
>
> In the downstream sources, the size is 0x80000[1].
>
> On reboot, I also get a synchronous abort, but the second line, from the
> following output on the serial, could indicate the hypervisor is behind
> it:
>
> [ 26.906206] arm-smmu 15200000.iommu: disabling translation
> 3 33.244434 Injecting instruction/data abort to VM 3, original ESR_EL2 = 0x93800047, fault VA = 0xffff80000a380000, fault IPA = 0x15200000, ELR_EL2 = 0xffffd064f70c9de8
> [ 26.942083] Internal error: synchronous external abort: 0000000096000010 [#1] PREEMPT SMP
> [ 26.948506] Modules linked in: nvmem_qcom_spmi_sdam qcom_pon spi_geni_qcom nvmem_reboot_mode crct10dif_ce i2c_qcom_geni phy_qcom_qmp_ufs gpucc_sa8775p ufs_qcom socinfo fuse ipv6
> [ 26.966702] CPU: 3 PID: 1 Comm: systemd-shutdow Not tainted 6.3.0-rc5-next-20230406-00019-g9d08a3c17f54-dirty #134
> [ 26.977315] Hardware name: Qualcomm SA8775P Ride (DT)
> [ 26.982505] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
> [ 26.989651] pc : arm_smmu_device_shutdown+0x88/0x1d8
> [ 26.994773] lr : arm_smmu_device_shutdown+0x70/0x1d8
> [ 26.999875] sp : ffff80000805bbf0
> [ 27.003283] x29: ffff80000805bbf0 x28: ffff0e69400a0000 x27: 0000000000000000
> [ 27.010608] x26: ffffd064f8130f38 x25: 0000000000000001 x24: ffffd064f8eac028
> [ 27.017932] x23: ffff0e6940eeb490 x22: ffffd064f8f24f80 x21: ffff0e6940eeb410
> [ 27.025254] x20: ffff0e6940808c80 x19: ffff0e6940eeb410 x18: 0000000000000006
> [ 27.032579] x17: 0000000000000001 x16: 0000000000000014 x15: ffff80000805b5c0
> [ 27.039903] x14: 0000000000000000 x13: ffffd064f8ac19a8 x12: 0000000000000606
> [ 27.047226] x11: 0000000000000202 x10: ffffd064f8b199a8 x9 : ffffd064f8ac19a8
> [ 27.054549] x8 : 00000000ffffefff x7 : ffffd064f8b199a8 x6 : 80000000fffff000
> [ 27.061872] x5 : 000000000000bff4 x4 : 0000000000000000 x3 : 0000000000000000
> [ 27.069195] x2 : 0000000000000000 x1 : ffff80000a380000 x0 : 0000000000000001
> [ 27.076520] Call trace:
> [ 27.079041] arm_smmu_device_shutdown+0x88/0x1d8
> [ 27.083787] platform_shutdown+0x24/0x34
> [ 27.087825] device_shutdown+0x150/0x258
> [ 27.091859] kernel_restart+0x40/0xc0
> [ 27.095632] __do_sys_reboot+0x1f0/0x274
> [ 27.099664] __arm64_sys_reboot+0x24/0x30
> [ 27.103786] invoke_syscall+0x48/0x114
> [ 27.107644] el0_svc_common+0x40/0xf4
> [ 27.111410] do_el0_svc+0x3c/0x9c
> [ 27.114822] el0_svc+0x2c/0x84
> [ 27.117969] el0t_64_sync_handler+0xf4/0x120
> [ 27.122357] el0t_64_sync+0x190/0x194
> [ 27.126126] Code: f9400404 b50008e4 f9400681 52800020 (b9000020)
> [ 27.132385] ---[ end trace 0000000000000000 ]---
>
Adding Shazad
Eric: This is supposedly gone in the latest meta but I thought you're
already on the most recent release?
Shazad, what version exactly should Eric test this on?
Bart
> [1] https://git.codelinaro.org/clo/la/kernel/ark-5.14/-/blob/ES2/arch/arm64/boot/dts/qcom/lemans.dtsi#L3498
>
> > + #iommu-cells = <2>;
> > + #global-interrupts = <2>;
> > +
> > + interrupts = <GIC_SPI 920 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 921 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 925 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 926 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 927 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 928 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 950 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 951 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 952 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 953 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 954 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 955 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 956 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 957 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 958 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 885 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 886 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 887 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 888 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 820 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 822 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 823 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 310 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 446 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 447 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 452 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 840 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 841 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 842 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 843 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 844 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 845 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 846 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 847 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 848 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 849 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 802 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 803 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 804 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 805 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 806 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 807 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 808 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 809 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 810 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 811 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 812 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 813 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 814 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 836 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 837 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 838 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 839 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 854 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 855 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 856 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 790 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 791 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 792 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 793 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 794 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 795 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 796 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 639 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 640 IRQ_TYPE_LEVEL_HIGH>;
> > + };
> > +
> > intc: interrupt-controller@...00000 {
> > compatible = "arm,gic-v3";
> > reg = <0x0 0x17a00000 0x0 0x10000>, /* GICD */
> > --
> > 2.37.2
> >
>
> --
> Eric Chanudet
>
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