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Subject: Re: [PATCH] ARM: dts: dra7: Add bus_dma_limit for L3 bus
From:   Roger Quadros <rogerq@ti.com>
To:     Robin Murphy <robin.murphy@arm.com>,
        Tony Lindgren <tony@atomide.com>, Tero Kristo <t-kristo@ti.com>
CC:     <hch@lst.de>, <robh+dt@kernel.org>, <nm@ti.com>, <nsekhar@ti.com>,
        <linux-omap@vger.kernel.org>, <devicetree@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>,
        Kishon Vijay Abraham I <kishon@ti.com>,
        Vignesh Raghavendra <vigneshr@ti.com>,
        =?UTF-8?Q?P=c3=a9ter_Ujfalusi?= <peter.ujfalusi@ti.com>,
        "Anna, Suman" <s-anna@ti.com>
References: <20200310115309.31354-1-rogerq@ti.com>
 <e7df4db7-6fe1-cfa4-841b-ddd395864bb8@ti.com>
 <20200310154829.GS37466@atomide.com>
 <b405ca5e-4abd-7ddc-ff76-560b6c7abf86@arm.com>
 <80fbd54e-c2c6-8580-7dcb-cd80119ed3d0@ti.com>
Message-ID: <25eaa8b7-f341-0816-3544-3ab1686de637@ti.com>
Date:   Wed, 11 Mar 2020 12:28:17 +0200
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On 11/03/2020 09:13, Roger Quadros wrote:
> 
> 
> On 10/03/2020 18:16, Robin Murphy wrote:
>> On 10/03/2020 3:48 pm, Tony Lindgren wrote:
>>> * Tero Kristo <t-kristo@ti.com> [200310 14:46]:
>>>> On 10/03/2020 13:53, Roger Quadros wrote:
>>>>> The L3 interconnect can access only 32-bits of address.
>>>>> Add the dma-ranges property to reflect this limit.
>>>>>
>>>>> This will ensure that no device under L3 is
>>>>> given > 32-bit address for DMA.
>>>>>
>>>>> Issue was observed only with SATA on DRA7-EVM with 4GB RAM
>>>>> and CONFIG_ARM_LPAE enabled. This is because the controller
>>>>> can perform 64-bit DMA and was setting the dma_mask to 64-bit.
>>>>>
>>>>> Setting the correct bus_dma_limit fixes the issue.
>>>>
>>>> This seems kind of messy to modify almost every DT node because of this....
>>>> Are you sure this is the only way to get it done? No way to modify the sata
>>>> node only which is impacted somehow?
>>>>
>>>> Also, what if you just pass 0xffffffff to the dma-ranges property? That
>>>> would avoid modifying every node I guess.
>>>
>>> Also, I think these interconnects are not limited to 32-bit access.
>>> So yeah I too would prefer a top level dma-ranges property assuming
>>> that works.
>>>
>>> I guess there dma-ranges should not be 0xffffffff though if
>>> limited to 2GB :)
> 
> Right, and the code expects it to not look like a mask.
>  From of_dma_configure()
> 
>          ret = of_dma_get_range(np, &dma_addr, &paddr, &size);
>      ..
>                  if (size & 1) {
>                         dev_warn(dev, "Invalid size 0x%llx for dma-range\n",
>                                   size);
>                         size = size + 1;
>                  }
> 
>>
>> It should work fine to just describe the Q3 and Q4 DDR regions as the DMA range, i.e.:
>>
>>      ocp {
>>          ...
>>          dma-ranges = <0x80000000 0 0x80000000 0x80000000>;
>>          ...
>>      };
>>
>> That would certainly be far less invasive :)
> 
> This is brilliant! Thanks :)
> 

I noticed that all devices are not getting the right bus_dma_limit (see kernel log at end).

At least the following devices should be fixed right? Any other devices I missed?

[    1.264194] omap-dma-engine 4a056000.dma-controller: coherent_dma_mask ffffffff bus_dma_limit 0

[    4.583356] omap-iommu 40d01000.mmu: coherent_dma_mask ffffffff bus_dma_limit 0
[    4.605865] omap-iommu 40d02000.mmu: coherent_dma_mask ffffffff bus_dma_limit 0
[    4.659729] omap-iommu 55082000.mmu: coherent_dma_mask ffffffff bus_dma_limit 0
[    4.682122] omap-iommu 41501000.mmu: coherent_dma_mask ffffffff bus_dma_limit 0
[    4.704553] omap-iommu 41502000.mmu: coherent_dma_mask ffffffff bus_dma_limit 0

[    4.234731] sdhci-omap 4809c000.mmc: coherent_dma_mask ffffffff bus_dma_limit 0
[    4.257030] sdhci-omap 480b4000.mmc: coherent_dma_mask ffffffff bus_dma_limit 0
[    4.298030] sdhci-omap 480d1000.mmc: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.562873] dra7-pcie 51000000.pcie: coherent_dma_mask ffffffff bus_dma_limit 0

[   10.944741] omap-dwc3 48880000.omap_dwc3_1: coherent_dma_mask ffffffff bus_dma_limit 0
[   10.955211] omap-dwc3 488c0000.omap_dwc3_2: coherent_dma_mask ffffffff bus_dma_limit 0

cheers,
-roger


full list

[    0.286523] omap_l3_noc 44000000.ocp: coherent_dma_mask ffffffff bus_dma_limit ffffffff
[    0.323023] sram 40300000.ocmcram: coherent_dma_mask ffffffff bus_dma_limit ffffffff
[    0.365861] edma3-tptc 43400000.tptc: coherent_dma_mask ffffffff bus_dma_limit ffffffff
[    0.374205] edma3-tptc 43500000.tptc: coherent_dma_mask ffffffff bus_dma_limit ffffffff
[    0.382739] edma 43300000.edma: coherent_dma_mask ffffffff bus_dma_limit ffffffff
[    0.415732] reg-fixed-voltage fixedregulator-evm_12v0: coherent_dma_mask ffffffff bus_dma_limit 0
[    0.425130] reg-fixed-voltage fixedregulator-evm_1v8: coherent_dma_mask ffffffff bus_dma_limit 0
[    0.434425] reg-fixed-voltage fixedregulator-sd: coherent_dma_mask ffffffff bus_dma_limit 0
[    0.443154] reg-fixed-voltage fixedregulator-evm_3v3_sw: coherent_dma_mask ffffffff bus_dma_limit 0
[    0.452704] reg-fixed-voltage fixedregulator-aic_dvdd: coherent_dma_mask ffffffff bus_dma_limit 0
[    0.462128] reg-fixed-voltage fixedregulator-evm3v3: coherent_dma_mask ffffffff bus_dma_limit 0
[    0.475522] reg-fixed-voltage fixedregulator-evm_5v0: coherent_dma_mask ffffffff bus_dma_limit 0
[    0.488967] reg-fixed-voltage fixedregulator-evm_3v6: coherent_dma_mask ffffffff bus_dma_limit 0
[    0.502370] reg-fixed-voltage fixedregulator-mmcwl: coherent_dma_mask ffffffff bus_dma_limit 0
[    0.511344] reg-fixed-voltage fixedregulator-vtt: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.126761] armv7-pmu pmu: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.205964] ti-sysc 4a002000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.216197] ti-dma-crossbar 4a002b78.dma-router: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.225136] ti-dma-crossbar 4a002c78.dma-router: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.233950] ti-sysc 4a005000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.243850] ti-sysc 4a008000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.255339] ti-sysc 4a056000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.264194] omap-dma-engine 4a056000.dma-controller: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.301417] ti-sysc 4a080000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.310052] omap-ocp2scp 4a080000.ocp2scp: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.319096] ti-sysc 4a090000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.327664] omap-ocp2scp 4a090000.ocp2scp: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.336484] ti-sysc 4a0d9038.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.344789] ti-sysc 4a0dd038.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.353077] ti-sysc 4a0f4000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.361397] ti-sysc 4a0f6000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.369973] ti-sysc 4ae06000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.381433] ti-sysc 4ae0c000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.389923] ti-sysc 4ae10000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.398621] omap_gpio 4ae10000.gpio: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.410819] ti-sysc 4ae14000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.420131] ti-sysc 4ae20000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.428888] ti-sysc 4ae2b050.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.437346] ti-sysc 4ae3c020.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.445970] ti-sysc 48020050.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.454620] ti-sysc 48032000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.463231] ti-sysc 48034000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.471827] ti-sysc 48036000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.480417] ti-sysc 4803e000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.489001] ti-sysc 48051000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.497542] omap_gpio 48051000.gpio: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.505504] ti-sysc 48053000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.514201] omap_gpio 48053000.gpio: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.522119] ti-sysc 48055000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.530792] omap_gpio 48055000.gpio: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.538700] ti-sysc 48057000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.547362] omap_gpio 48057000.gpio: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.555278] ti-sysc 48059000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.563950] omap_gpio 48059000.gpio: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.571856] ti-sysc 4805b000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.580533] omap_gpio 4805b000.gpio: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.588444] ti-sysc 4805d000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.597098] omap_gpio 4805d000.gpio: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.605010] ti-sysc 48060000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.613570] omap_i2c 48060000.i2c: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.627029] ti-sysc 48066050.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.635352] ti-sysc 48068050.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.643693] ti-sysc 4806a050.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.652326] ti-sysc 4806c050.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.660962] ti-sysc 4806e050.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.669281] ti-sysc 48070000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.677833] omap_i2c 48070000.i2c: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.723570] palmas-pmic 48070000.i2c:tps659038@58:tps659038_pmic: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.852826] ti-sysc 48072000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.861432] omap_i2c 48072000.i2c: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.913194] ti-sysc 48078000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.921817] ti-sysc 4807a000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.930136] ti-sysc 4807c000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.938463] ti-sysc 48086000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.947040] ti-sysc 48088000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.955640] ti-sysc 48091fe0.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.964262] ti-sysc 48098000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.972874] ti-sysc 4809a000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.981478] ti-sysc 4809c000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.990191] ti-sysc 480a5030.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    1.998831] ti-sysc 480ad000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.007126] ti-sysc 480b2000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.015732] ti-sysc 480b4000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.024397] ti-sysc 480b8000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.032706] ti-sysc 480ba000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.041016] ti-sysc 480d1000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.049674] ti-sysc 48420050.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.058001] ti-sysc 48422050.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.066302] ti-sysc 48424050.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.074617] ti-sysc 4843c000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.083140] ti-sysc 4843e000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.091459] ti-sysc 48440000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.099776] ti-sysc 48442000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.108088] ti-sysc 48460000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.116415] ti-sysc 48464000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.124742] ti-sysc 48468000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.133469] ti-sysc 4846c000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.141786] ti-sysc 48470000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.150105] ti-sysc 48474000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.158421] ti-sysc 48478000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.166719] ti-sysc 4847c000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.175035] ti-sysc 48480020.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.183342] ti-sysc 48485200.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.192236] ti-sysc 48802000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.200571] ti-sysc 48820000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.209169] ti-sysc 48822000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.217768] ti-sysc 48824000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.226640] ti-sysc 48826000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.235368] ti-sysc 48828000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.243989] ti-sysc 4882a000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.252585] ti-sysc 4882c000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.261176] ti-sysc 4882e000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.269762] ti-sysc 48838074.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.278672] ti-sysc 4883a000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.286972] ti-sysc 4883c000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.295283] ti-sysc 4883e000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.303599] ti-sysc 48840000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.312384] ti-sysc 48842000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.321164] ti-sysc 48844000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.329478] ti-sysc 48846000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.337787] ti-sysc 4885e000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.346085] ti-sysc 48860000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.354397] ti-sysc 48862000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.362704] ti-sysc 48864000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.371014] ti-sysc 48880000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.379707] ti-sysc 488c0000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.388368] ti-sysc 48900000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.396669] ti-sysc 48940000.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.404974] ti-sysc 489d0010.target-module: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.413835] ti-sysc 40d01000.target-module: coherent_dma_mask ffffffff bus_dma_limit ffffffff
[    2.422743] ti-sysc 40d02000.target-module: coherent_dma_mask ffffffff bus_dma_limit ffffffff
[    2.431628] ti-sysc 58882000.target-module: coherent_dma_mask ffffffff bus_dma_limit ffffffff
[    2.440531] ti-sysc 55082000.target-module: coherent_dma_mask ffffffff bus_dma_limit ffffffff
[    2.449459] ti-sysc 5600fe00.target-module: coherent_dma_mask ffffffff bus_dma_limit ffffffff
[    2.458381] ti-sysc 4b500080.target-module: coherent_dma_mask ffffffff bus_dma_limit ffffffff
[    2.467554] ti-sysc 4b700080.target-module: coherent_dma_mask ffffffff bus_dma_limit ffffffff
[    2.476728] ti-sysc 4b101100.target-module: coherent_dma_mask ffffffff bus_dma_limit ffffffff
[    2.485905] ti-sysc 41501000.target-module: coherent_dma_mask ffffffff bus_dma_limit ffffffff
[    2.494817] ti-sysc 41502000.target-module: coherent_dma_mask ffffffff bus_dma_limit ffffffff
[    2.504711] ti-pipe3 4a084400.phy: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.512311] ti-pipe3 4a094000.pciephy: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.520403] ti-pipe3 4a096000.phy: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.528429] phy-gmii-sel 4a002554.phy-gmii-sel: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.537864] pinctrl-single 4a003400.pinmux: coherent_dma_mask ffffffff bus_dma_limit 0
[    2.553170] ti-iodelay 4844a000.padconf: coherent_dma_mask ffffffff bus_dma_limit ffffffff
[    2.562873] dra7-pcie 51000000.pcie: coherent_dma_mask ffffffff bus_dma_limit 0
[    3.702194] dra7-atl 4843c000.atl: coherent_dma_mask ffffffff bus_dma_limit 0
[    3.710396] omap_prm 4ae06400.prm: coherent_dma_mask ffffffff bus_dma_limit 0
[    3.717831] omap_prm 4ae06500.prm: coherent_dma_mask ffffffff bus_dma_limit 0
[    3.725243] omap_prm 4ae06700.prm: coherent_dma_mask ffffffff bus_dma_limit 0
[    3.732669] omap_prm 4ae06f00.prm: coherent_dma_mask ffffffff bus_dma_limit 0
[    3.740097] omap_prm 4ae07b00.prm: coherent_dma_mask ffffffff bus_dma_limit 0
[    3.747507] omap_prm 4ae07b40.prm: coherent_dma_mask ffffffff bus_dma_limit 0
[    3.754931] omap_prm 4ae07b80.prm: coherent_dma_mask ffffffff bus_dma_limit 0
[    3.762354] omap_prm 4ae07bc0.prm: coherent_dma_mask ffffffff bus_dma_limit 0
[    3.769777] omap_prm 4ae07c00.prm: coherent_dma_mask ffffffff bus_dma_limit 0
[    3.778520] pbias-regulator 4a002e00.pbias_regulator: coherent_dma_mask ffffffff bus_dma_limit 0
[    3.801322] ti_abb 4ae07ddc.regulator-abb-mpu: coherent_dma_mask ffffffff bus_dma_limit ffffffff
[    3.810628] ti_abb 4ae07e34.regulator-abb-ivahd: coherent_dma_mask ffffffff bus_dma_limit ffffffff
[    3.820099] ti_abb 4ae07e30.regulator-abb-dspeve: coherent_dma_mask ffffffff bus_dma_limit ffffffff
[    3.829648] ti_abb 4ae07de4.regulator-abb-gpu: coherent_dma_mask ffffffff bus_dma_limit ffffffff
[    3.847872] omap8250 48020000.serial: coherent_dma_mask ffffffff bus_dma_limit 0
[    3.865171] omap8250 4806a000.serial: coherent_dma_mask ffffffff bus_dma_limit 0
[    3.900927] omap8250 4806c000.serial: coherent_dma_mask ffffffff bus_dma_limit 0
[    3.938464] ahci 4a140000.sata: coherent_dma_mask ffffffff bus_dma_limit ffffffff
[    4.014880] omap-elm 48078000.elm: coherent_dma_mask ffffffff bus_dma_limit 0
[    4.022584] omap2_mcspi 48098000.spi: coherent_dma_mask ffffffff bus_dma_limit 0
[    4.030387] omap2_mcspi 4809a000.spi: coherent_dma_mask ffffffff bus_dma_limit 0
[    4.045347] cpsw 48484000.ethernet: coherent_dma_mask ffffffff bus_dma_limit 0
[    4.053085] davinci_mdio 48485000.mdio: coherent_dma_mask ffffffff bus_dma_limit 0
[    4.186373] ti-soc-thermal 4a0021e0.bandgap: coherent_dma_mask ffffffff bus_dma_limit ffffffff
[    4.197942] ti_opp_supply 4a003b20.opp-supply: coherent_dma_mask ffffffff bus_dma_limit ffffffff
[    4.234731] sdhci-omap 4809c000.mmc: coherent_dma_mask ffffffff bus_dma_limit 0
[    4.257030] sdhci-omap 480b4000.mmc: coherent_dma_mask ffffffff bus_dma_limit 0
[    4.298030] sdhci-omap 480d1000.mmc: coherent_dma_mask ffffffff bus_dma_limit 0
[    4.319188] omap_timer 4ae20000.timer: coherent_dma_mask ffffffff bus_dma_limit 0
[    4.326842] omap_timer 48032000.timer: coherent_dma_mask ffffffff bus_dma_limit 0
[    4.334480] omap_timer 48034000.timer: coherent_dma_mask ffffffff bus_dma_limit 0
[    4.342121] omap_timer 48036000.timer: coherent_dma_mask ffffffff bus_dma_limit 0
[    4.355045] omap_timer 4803e000.timer: coherent_dma_mask ffffffff bus_dma_limit 0
[    4.362722] omap_timer 48086000.timer: coherent_dma_mask ffffffff bus_dma_limit 0
[    4.370359] omap_timer 48088000.timer: coherent_dma_mask ffffffff bus_dma_limit 0
[    4.378020] omap_timer 48820000.timer: coherent_dma_mask ffffffff bus_dma_limit 0
[    4.385638] omap_timer 48822000.timer: coherent_dma_mask ffffffff bus_dma_limit 0
[    4.393338] omap_timer 48824000.timer: coherent_dma_mask ffffffff bus_dma_limit 0
[    4.401054] omap_timer 48826000.timer: coherent_dma_mask ffffffff bus_dma_limit 0
[    4.408682] omap_timer 48828000.timer: coherent_dma_mask ffffffff bus_dma_limit 0
[    4.416299] omap_timer 4882a000.timer: coherent_dma_mask ffffffff bus_dma_limit 0
[    4.423926] omap_timer 4882c000.timer: coherent_dma_mask ffffffff bus_dma_limit 0
[    4.431564] omap_timer 4882e000.timer: coherent_dma_mask ffffffff bus_dma_limit 0
[    4.542727] reg-fixed-voltage fixedregulator-sd: coherent_dma_mask ffffffff bus_dma_limit 0
[    4.551676] reg-fixed-voltage fixedregulator-mmcwl: coherent_dma_mask ffffffff bus_dma_limit 0
[    4.560659] reg-fixed-voltage fixedregulator-vtt: coherent_dma_mask ffffffff bus_dma_limit 0
[    4.574085] ti-sysc 40d01000.target-module: coherent_dma_mask ffffffff bus_dma_limit ffffffff
[    4.583356] omap-iommu 40d01000.mmu: coherent_dma_mask ffffffff bus_dma_limit 0
[    4.596839] ti-sysc 40d02000.target-module: coherent_dma_mask ffffffff bus_dma_limit ffffffff
[    4.605865] omap-iommu 40d02000.mmu: coherent_dma_mask ffffffff bus_dma_limit 0
[    4.619137] ti-sysc 58882000.target-module: coherent_dma_mask ffffffff bus_dma_limit ffffffff
[    4.650679] ti-sysc 55082000.target-module: coherent_dma_mask ffffffff bus_dma_limit ffffffff
[    4.659729] omap-iommu 55082000.mmu: coherent_dma_mask ffffffff bus_dma_limit 0
[    4.673050] ti-sysc 41501000.target-module: coherent_dma_mask ffffffff bus_dma_limit ffffffff
[    4.682122] omap-iommu 41501000.mmu: coherent_dma_mask ffffffff bus_dma_limit 0
[    4.695553] ti-sysc 41502000.target-module: coherent_dma_mask ffffffff bus_dma_limit ffffffff
[    4.704553] omap-iommu 41502000.mmu: coherent_dma_mask ffffffff bus_dma_limit 0
[    4.718193] sdhci-omap 4809c000.mmc: coherent_dma_mask ffffffff bus_dma_limit 0
[    4.794819] sdhci-omap 480d1000.mmc: coherent_dma_mask ffffffff bus_dma_limit 0
[    9.595632] omap_rng 48090000.rng: coherent_dma_mask ffffffff bus_dma_limit 0
[    9.816725] omap-des 480a5000.des: coherent_dma_mask ffffffff bus_dma_limit 0
[  OK  ] Listening on Avahi mDNS/DNS-SD Stack Activati[    9.884459] omap_hdq 480b2000.1w: coherent_dma_mask ffffffff bus_dma_limit 0
[   10.387555] davinci-mcasp 48468000.mcasp: coherent_dma_mask ffffffff bus_dma_limit 0
[   10.601762] omap_rtc 48838000.rtc: coherent_dma_mask ffffffff bus_dma_limit 0
[   10.690955] omap-mailbox 48840000.mailbox: coherent_dma_mask ffffffff bus_dma_limit 0
[   10.705329] omap-mailbox 48842000.mailbox: coherent_dma_mask ffffffff bus_dma_limit 0
[   10.944741] omap-dwc3 48880000.omap_dwc3_1: coherent_dma_mask ffffffff bus_dma_limit 0
[   10.955211] omap-dwc3 488c0000.omap_dwc3_2: coherent_dma_mask ffffffff bus_dma_limit 0
[   11.363422] omap-usb2 4a084000.phy: coherent_dma_mask ffffffff bus_dma_limit 0
[   11.371219] omap-usb2 4a085000.phy: coherent_dma_mask ffffffff bus_dma_limit 0
[   11.379847] omap-dwc3 48880000.omap_dwc3_1: coherent_dma_mask ffffffff bus_dma_limit 0
[   11.388227] omap-dwc3 488c0000.omap_dwc3_2: coherent_dma_mask ffffffff bus_dma_limit 0
[   12.168625] ti-qspi 4b300000.spi: coherent_dma_mask ffffffff bus_dma_limit ffffffff
[   12.191757] omap-sham 4b101000.sham: coherent_dma_mask ffffffff bus_dma_limit 0
[   12.222185] omap-dwc3 48880000.omap_dwc3_1: coherent_dma_mask ffffffff bus_dma_limit 0
[   12.230552] omap-dwc3 488c0000.omap_dwc3_2: coherent_dma_mask ffffffff bus_dma_limit 0
[   12.383690] omap-aes 4b500000.aes: coherent_dma_mask ffffffff bus_dma_limit 0
[   12.515766] omap_wdt 4ae14000.wdt: coherent_dma_mask ffffffff bus_dma_limit 0
[   12.577845] omap-dwc3 48880000.omap_dwc3_1: coherent_dma_mask ffffffff bus_dma_limit 0
[   12.586136] omap-dwc3 488c0000.omap_dwc3_2: coherent_dma_mask ffffffff bus_dma_limit 0
[   12.637362] c_can_platform 4ae3c000.can: coherent_dma_mask ffffffff bus_dma_limit 0
[   12.659521] omap-dwc3 48880000.omap_dwc3_1: coherent_dma_mask ffffffff bus_dma_limit 0
[   12.668206] omap-dwc3 488c0000.omap_dwc3_2: coherent_dma_mask ffffffff bus_dma_limit 0
[   12.771243] omap-dwc3 48880000.omap_dwc3_1: coherent_dma_mask ffffffff bus_dma_limit 0
[   12.779655] omap-dwc3 488c0000.omap_dwc3_2: coherent_dma_mask ffffffff bus_dma_limit 0
[   12.820295] extcon-usb-gpio extcon_usb1: coherent_dma_mask ffffffff bus_dma_limit 0
[   12.841609] extcon-usb-gpio extcon_usb2: coherent_dma_mask ffffffff bus_dma_limit 0
[   12.850013] omap-dwc3 48880000.omap_dwc3_1: coherent_dma_mask ffffffff bus_dma_limit 0
[   12.866441] omap-aes 4b700000.aes: coherent_dma_mask ffffffff bus_dma_limit 0
[   12.880846] omap-dwc3 488c0000.omap_dwc3_2: coherent_dma_mask ffffffff bus_dma_limit 0
[   13.014297] gpio-keys gpio_keys: coherent_dma_mask ffffffff bus_dma_limit 0
[   13.033599] leds-gpio leds: coherent_dma_mask ffffffff bus_dma_limit 0
[   13.063978] asoc-simple-card sound0: coherent_dma_mask ffffffff bus_dma_limit 0
[   14.294633] dwc3 48890000.usb: coherent_dma_mask ffffffff bus_dma_limit 0
[   14.328563] dwc3 488d0000.usb: coherent_dma_mask ffffffff bus_dma_limit 0

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