[U-Boot] [PATCH v2 17/20] arm: socfpga: Convert Altera ddr driver to use Kconfig

Ley Foon Tan lftan.linux at gmail.com
Thu Mar 23 05:36:16 UTC 2017


On Wed, Mar 22, 2017 at 10:26 PM, Marek Vasut <marex at denx.de> wrote:
> On 03/22/2017 10:45 AM, Ley Foon Tan wrote:
>> On Fri, Mar 10, 2017 at 9:53 AM, Marek Vasut <marex at denx.de> wrote:
>>> On 03/09/2017 01:26 AM, Ley Foon Tan wrote:
>>>> Convert Altera ddr driver to use Kconfig method. Enable ALTERA_SDRAM
>>>> by default if it is on Gen5 target. Arria 10 will have different driver.
>>>>
>>>> Signed-off-by: Tien Fong Chee <tien.fong.chee at intel.com>
>>>> Signed-off-by: Ley Foon Tan <ley.foon.tan at intel.com>
>>>> ---
>>>>  drivers/Kconfig                  | 2 ++
>>>>  drivers/ddr/Kconfig              | 1 +
>>>>  drivers/ddr/altera/Kconfig       | 6 ++++++
>>>>  include/configs/socfpga_common.h | 5 -----
>>>>  4 files changed, 9 insertions(+), 5 deletions(-)
>>>>  create mode 100644 drivers/ddr/Kconfig
>>>>  create mode 100644 drivers/ddr/altera/Kconfig
>>>>
>>>> diff --git a/drivers/Kconfig b/drivers/Kconfig
>>>> index 0e5d97d..3e6bbac 100644
>>>> --- a/drivers/Kconfig
>>>> +++ b/drivers/Kconfig
>>>> @@ -14,6 +14,8 @@ source "drivers/cpu/Kconfig"
>>>>
>>>>  source "drivers/crypto/Kconfig"
>>>>
>>>> +source "drivers/ddr/Kconfig"
>>>> +
>>>>  source "drivers/demo/Kconfig"
>>>>
>>>>  source "drivers/ddr/fsl/Kconfig"
>>>> diff --git a/drivers/ddr/Kconfig b/drivers/ddr/Kconfig
>>>> new file mode 100644
>>>> index 0000000..b764add
>>>> --- /dev/null
>>>> +++ b/drivers/ddr/Kconfig
>>>> @@ -0,0 +1 @@
>>>> +source "drivers/ddr/altera/Kconfig"
>>>> diff --git a/drivers/ddr/altera/Kconfig b/drivers/ddr/altera/Kconfig
>>>> new file mode 100644
>>>> index 0000000..9554da7
>>>> --- /dev/null
>>>> +++ b/drivers/ddr/altera/Kconfig
>>>> @@ -0,0 +1,6 @@
>>>> +config ALTERA_SDRAM
>>>> +     bool "SoCFPGA SDRAM for Arria5/Cyclone5 devices"
>>>
>>> Does this controller even support SDRAM ? :)
>> The existing DDR driver is for Gen5 only. We will have new DDR driver
>> for Arria 10 in later patchset.
>
> I was asking about the SDRAM support in Gen5 controller though :)
Yes, it support for double data rate 2 (DDR2), DDR3, and low-power
DDR2 (LPDDR2) SDRAM.

Regards
Ley Foon


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