lkml.org 
[lkml]   [2019]   [May]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH V6 06/15] dt-bindings: PCI: designware: Add binding for CDM register check
From
Date
On 5/13/2019 8:40 PM, Rob Herring wrote:
> On Mon, May 13, 2019 at 10:36:17AM +0530, Vidya Sagar wrote:
>> Add support to enable CDM (Configuration Dependent Module) registers check
>> for any data corruption. CDM registers include standard PCIe configuration
>> space registers, Port Logic registers and iATU and DMA registers.
>> Refer Section S.4 of Synopsys DesignWare Cores PCI Express Controller Databook
>> Version 4.90a
>>
>> Signed-off-by: Vidya Sagar <vidyas@nvidia.com>
>> ---
>> Changes since [v5]:
>> * None
>>
>> Changes since [v4]:
>> * None
>>
>> Changes since [v3]:
>> * None
>>
>> Changes since [v2]:
>> * Changed flag name from 'cdm-check' to 'enable-cdm-check'
>> * Added info about Port Logic and DMA registers being part of CDM
>>
>> Changes since [v1]:
>> * This is a new patch in v2 series
>>
>> Documentation/devicetree/bindings/pci/designware-pcie.txt | 5 +++++
>> 1 file changed, 5 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/pci/designware-pcie.txt b/Documentation/devicetree/bindings/pci/designware-pcie.txt
>> index 5561a1c060d0..85b872c42a9f 100644
>> --- a/Documentation/devicetree/bindings/pci/designware-pcie.txt
>> +++ b/Documentation/devicetree/bindings/pci/designware-pcie.txt
>> @@ -34,6 +34,11 @@ Optional properties:
>> - clock-names: Must include the following entries:
>> - "pcie"
>> - "pcie_bus"
>> +- enable-cdm-check: This is a boolean property and if present enables
>> + automatic checking of CDM (Configuration Dependent Module) registers
>> + for data corruption. CDM registers include standard PCIe configuration
>> + space registers, Port Logic registers, DMA and iATU (internal Address
>> + Translation Unit) registers.
>
> snps,enable-cdm-check
Ok. Done.

>
>> RC mode:
>> - num-viewport: number of view ports configured in hardware. If a platform
>> does not specify it, the driver assumes 2.
>> --
>> 2.17.1
>>

\
 
 \ /
  Last update: 2019-05-14 07:28    [W:0.048 / U:1.460 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site