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Groups > linux.kernel > #1600134

Re: [PATCH 2/2] ata: ahci: add support for DaVinci DM816 SATA controller

From Neil Armstrong <narmstrong@baylibre.com>
Newsgroups linux.kernel
Subject Re: [PATCH 2/2] ata: ahci: add support for DaVinci DM816 SATA controller
Date 2017-03-14 10:10 +0100
Message-ID <tkQCR-6kd-5@gated-at.bofh.it> (permalink)
References <tkBkv-3fs-49@gated-at.bofh.it> <tkBkv-3fs-51@gated-at.bofh.it> <tkQtc-61z-3@gated-at.bofh.it>
Organization Baylibre

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On 03/14/2017 09:57 AM, Sergei Shtylyov wrote:
> Hello!
> 
> On 3/13/2017 7:36 PM, Bartosz Golaszewski wrote:
> 
>> This SATA controller is quite similar to the one present on the DA850
>> SoC, but the PHY configuration is different and it supports two HBA
>> ports.
>>
>> The IP suffers from the same PMP issue the DA850 does - if we enable
>> PMP but don't use it - softreset fails. Appropriate workaround was
>> implemented in this driver as well.
>>
>> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
>> ---
>>  drivers/ata/Kconfig      |   9 +++
>>  drivers/ata/Makefile     |   1 +
>>  drivers/ata/ahci_dm816.c | 200 +++++++++++++++++++++++++++++++++++++++++++++++
>>  3 files changed, 210 insertions(+)
>>  create mode 100644 drivers/ata/ahci_dm816.c
>>
>> diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
>> index 70b57d2..7f59a7a 100644
>> --- a/drivers/ata/Kconfig
>> +++ b/drivers/ata/Kconfig
>> @@ -118,6 +118,15 @@ config AHCI_DA850
>>
>>        If unsure, say N.
>>
>> +config AHCI_DM816
>> +    tristate "DaVinci DM816 AHCI SATA support"
> 
>    Is it really DaVinci?
> 
>> +    depends on ARCH_OMAP2PLUS
> 
>    Especially if it depends on OMAP...

Hi Sergei,

Yes it's a DaVinci family SoC, but shares a lot of IPs with the OMAP family.

Neil

> 
> [...]
> 
> MBR, Sergei
> 

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Thread

[PATCH 0/2] ata: ahci-dm816: new driver Bartosz Golaszewski <bgolaszewski@baylibre.com> - 2017-03-13 17:50 +0100
  [PATCH 1/2] dt-bindings: ata: add DT bindings for ahci-dm816 SATA controller Bartosz Golaszewski <bgolaszewski@baylibre.com> - 2017-03-13 17:50 +0100
    Re: [PATCH 1/2] dt-bindings: ata: add DT bindings for ahci-dm816 SATA  controller Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> - 2017-03-13 18:00 +0100
      Re: [PATCH 1/2] dt-bindings: ata: add DT bindings for ahci-dm816 SATA controller Bartosz Golaszewski <bgolaszewski@baylibre.com> - 2017-03-13 18:10 +0100
        Re: [PATCH 1/2] dt-bindings: ata: add DT bindings for ahci-dm816 SATA  controller Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> - 2017-03-13 18:30 +0100
          Re: [PATCH 1/2] dt-bindings: ata: add DT bindings for ahci-dm816 SATA  controller Neil Armstrong <narmstrong@baylibre.com> - 2017-03-14 10:10 +0100
          Re: [PATCH 1/2] dt-bindings: ata: add DT bindings for ahci-dm816 SATA controller Bartosz Golaszewski <bgolaszewski@baylibre.com> - 2017-03-14 11:50 +0100
  [PATCH 2/2] ata: ahci: add support for DaVinci DM816 SATA controller Bartosz Golaszewski <bgolaszewski@baylibre.com> - 2017-03-13 17:50 +0100
    Re: [PATCH 2/2] ata: ahci: add support for DaVinci DM816 SATA  controller Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> - 2017-03-14 10:00 +0100
      Re: [PATCH 2/2] ata: ahci: add support for DaVinci DM816 SATA  controller Neil Armstrong <narmstrong@baylibre.com> - 2017-03-14 10:10 +0100
        Re: [PATCH 2/2] ata: ahci: add support for DaVinci DM816 SATA controller Kevin Hilman <khilman@baylibre.com> - 2017-03-14 18:10 +0100

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