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From: Jonathan Marek <jonathan@marek.ca>
To: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: linux-arm-msm@vger.kernel.org, Andy Gross <agross@kernel.org>,
	Rob Herring <robh+dt@kernel.org>,
	"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
	<devicetree@vger.kernel.org>,
	open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/6] arm64: dts: qcom: sm8150: add apps_smmu node
Date: Thu, 28 May 2020 23:34:30 -0400	[thread overview]
Message-ID: <00b8f010-1ae1-45b2-8dd0-a1b582861a2e@marek.ca> (raw)
In-Reply-To: <20200529031520.GA1799770@builder.lan>

On 5/28/20 11:15 PM, Bjorn Andersson wrote:
> On Thu 28 May 20:02 PDT 2020, Jonathan Marek wrote:
> 
>>
>>
>> On 5/28/20 10:52 PM, Bjorn Andersson wrote:
>>> On Sat 23 May 19:38 PDT 2020, Jonathan Marek wrote:
>>>
>>>> Add the apps_smmu node for sm8150. Note that adding the iommus field for
>>>> UFS is required because initializing the iommu removes the bypass mapping
>>>> that created by the bootloader.
>>>>
>>>
>>> Unrelated to the patch itself; how do you disable the splash screen on
>>> 8150? "fastboot oem select-display-panel none" doesn't seem to work for
>>> me on the MTP - and hence this would prevent my device from booting.
>>>
>>> Thanks,
>>> Bjorn
>>>
>>
>> I don't have a MTP, but on HDK855, "fastboot oem select-display-panel none"
>> combined with setting the physical switch to HDMI mode (which switches off
>> the 1440x2560 panel) gets it to not setup the display at all (just the
>> fastboot command isn't enough).
>>
> 
> Okay, I don't think we have anything equivalent on the MTP, but good to
> know.
> 
>> With HDK865 though that doesn't work and I have a hack to work around it
>> (writing 0 to INTF_TIMING_ENGINE_EN early on in boot will stop video mode
>> scanout and it won't crash).
>>
> 
> Then we need to sort this out in the arm-smmu driver before we can
> enable the apps_smmu node on 8250. I did receive some guidance from Will
> on the subject and have started looking into this.
> 

That's annoying because a lot depends on apps_mmu. GPU is an exception 
with its own MMU but pretty much everything else uses apps_smmu (does it 
make sense to add USB nodes if it won't work without apps_smmu?) Is this 
something that will get resolved soon?

FWIW, I have another sm8250 board which does not need the workaround 
(its bootloader does not set up the display). AFAIK modifying the 
bootloader to not set up any display is a trivial modification (assuming 
that's an option).

> Thanks,
> Bjorn
> 
>>>> Signed-off-by: Jonathan Marek <jonathan@marek.ca>
>>>> ---
>>>>    arch/arm64/boot/dts/qcom/sm8150.dtsi | 91 ++++++++++++++++++++++++++++
>>>>    1 file changed, 91 insertions(+)
>>>>
>>>> diff --git a/arch/arm64/boot/dts/qcom/sm8150.dtsi b/arch/arm64/boot/dts/qcom/sm8150.dtsi
>>>> index a36512d1f6a1..acb839427b12 100644
>>>> --- a/arch/arm64/boot/dts/qcom/sm8150.dtsi
>>>> +++ b/arch/arm64/boot/dts/qcom/sm8150.dtsi
>>>> @@ -442,6 +442,8 @@ ufs_mem_hc: ufshc@1d84000 {
>>>>    			resets = <&gcc GCC_UFS_PHY_BCR>;
>>>>    			reset-names = "rst";
>>>> +			iommus = <&apps_smmu 0x300 0>;
>>>> +
>>>>    			clock-names =
>>>>    				"core_clk",
>>>>    				"bus_aggr_clk",
>>>> @@ -706,6 +708,7 @@ usb_1_dwc3: dwc3@a600000 {
>>>>    				compatible = "snps,dwc3";
>>>>    				reg = <0 0x0a600000 0 0xcd00>;
>>>>    				interrupts = <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>;
>>>> +				iommus = <&apps_smmu 0x140 0>;
>>>>    				snps,dis_u2_susphy_quirk;
>>>>    				snps,dis_enblslpm_quirk;
>>>>    				phys = <&usb_1_hsphy>, <&usb_1_ssphy>;
>>>> @@ -742,6 +745,94 @@ spmi_bus: spmi@c440000 {
>>>>    			cell-index = <0>;
>>>>    		};
>>>> +		apps_smmu: iommu@15000000 {
>>>> +			compatible = "qcom,sdm845-smmu-500", "arm,mmu-500";
>>>> +			reg = <0 0x15000000 0 0x100000>;
>>>> +			#iommu-cells = <2>;
>>>> +			#global-interrupts = <1>;
>>>> +			interrupts = <GIC_SPI 65 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 107 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 111 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 114 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 115 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 181 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 182 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 183 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 184 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 185 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 186 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 187 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 188 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 189 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 190 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 191 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 192 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 315 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 316 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 317 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 318 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 319 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 320 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 321 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 322 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 323 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 324 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 325 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 326 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 327 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 328 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 329 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 330 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 331 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 332 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 333 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 334 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 335 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 336 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 337 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 338 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 339 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 340 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 341 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 342 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 343 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 344 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 345 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 395 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 396 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 397 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 398 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 399 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 400 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 401 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 402 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 403 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 404 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 405 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 406 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 407 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 408 IRQ_TYPE_LEVEL_HIGH>,
>>>> +				     <GIC_SPI 409 IRQ_TYPE_LEVEL_HIGH>;
>>>> +		};
>>>> +
>>>>    		remoteproc_adsp: remoteproc@17300000 {
>>>>    			compatible = "qcom,sm8150-adsp-pas";
>>>>    			reg = <0x0 0x17300000 0x0 0x4040>;
>>>> -- 
>>>> 2.26.1
>>>>

  reply	other threads:[~2020-05-29  3:34 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-24  2:38 [PATCH 0/6] arm64: dts: qcom: smmu/USB nodes and HDK855/HDK865 dts Jonathan Marek
2020-05-24  2:38 ` [PATCH 1/6] arm64: dts: qcom: sm8150: add apps_smmu node Jonathan Marek
2020-05-25  9:37   ` Sai Prakash Ranjan
2020-06-05 14:15     ` Sai Prakash Ranjan
2020-05-29  2:52   ` Bjorn Andersson
2020-05-29  3:02     ` Jonathan Marek
2020-05-29  3:15       ` Bjorn Andersson
2020-05-29  3:34         ` Jonathan Marek [this message]
2020-05-29  3:42           ` Bjorn Andersson
2020-06-09 19:52             ` Jonathan Marek
2020-06-05 14:03         ` Sai Prakash Ranjan
2020-06-05 14:10           ` Jonathan Marek
2020-06-05 14:13             ` Sai Prakash Ranjan
2020-06-05 14:31               ` Nicolas Dechesne
2020-06-05 14:39                 ` Sai Prakash Ranjan
2020-06-05 14:51                   ` Nicolas Dechesne
2020-06-05 15:04                     ` Sai Prakash Ranjan
2020-05-24  2:38 ` [PATCH 2/6] arm64: dts: qcom: sm8250: " Jonathan Marek
2020-05-25  9:42   ` Sai Prakash Ranjan
2020-05-25 10:09     ` Jonathan Marek
2020-05-25 10:54       ` Sai Prakash Ranjan
2020-05-25 11:08         ` Jonathan Marek
2020-05-25 11:17           ` Sai Prakash Ranjan
2020-05-25 11:27             ` Jonathan Marek
2020-05-25 11:40               ` Sai Prakash Ranjan
2020-05-25 11:53                 ` Jonathan Marek
2020-05-25 11:58                   ` Sai Prakash Ranjan
2020-05-29  2:48                   ` Bjorn Andersson
2020-05-24  2:38 ` [PATCH 3/6] arm64: dts: qcom: sm8150: Add secondary USB and PHY nodes Jonathan Marek
2020-05-24  2:38 ` [PATCH 4/6] arm64: dts: qcom: sm8250: Add USB and PHY device nodes Jonathan Marek
2020-05-24  2:38 ` [PATCH 5/6] arm64: dts: qcom: add sm8150 hdk dts Jonathan Marek
2020-05-29  3:01   ` Bjorn Andersson
2020-06-09 19:46     ` Jonathan Marek
2020-05-24  2:38 ` [PATCH 6/6] arm64: dts: qcom: add sm8250 " Jonathan Marek
2020-05-29  3:03   ` Bjorn Andersson
2020-06-09 19:42     ` Jonathan Marek
2020-05-29  3:05 ` [PATCH 0/6] arm64: dts: qcom: smmu/USB nodes and HDK855/HDK865 dts Bjorn Andersson
2020-05-29  3:15   ` Jonathan Marek
2020-05-29  6:44     ` Bjorn Andersson
2020-06-04 13:52 ` Manivannan Sadhasivam
2020-06-04 14:06   ` Jonathan Marek
2020-06-04 15:58     ` Manivannan Sadhasivam
2020-06-04 16:09       ` Jonathan Marek
2020-06-11 18:05   ` Manivannan Sadhasivam
2020-06-11 18:14     ` Jonathan Marek
2020-06-11 18:22       ` Manivannan Sadhasivam

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