[U-Boot] [PATCH 2/2] board/ls1021aqds_d4: Add DDR4 support

[York Sun]

On 09/11/2014 03:26 PM, Otavio Salvador wrote:
> On Thu, Sep 11, 2014 at 5:32 PM, York Sun <yorksun at freescale.com> wrote:
>> LS1021AQDS has a variant with DDR4 slot. This patch adds a new target for
>> this variant and enables DDR4 support. RAW timing parameters are not added
>> for DDR4. The board timing parameters are only tuned for single-rank 1600
>> and 1800MT/s with Micron DIMM 9ASF51272AZ-2G1A1 due to availability.
>>
>> Signed-off-by: York Sun <yorksun at freescale.com>
>> ---
>>  arch/arm/Kconfig                                   |    3 +++
>>  arch/arm/include/asm/arch-ls102xa/config.h         |    5 +++++
>>  board/freescale/ls1021aqds/Kconfig                 |    2 +-
>>  board/freescale/ls1021aqds/ddr.c                   |    9 ++++++++-
>>  board/freescale/ls1021aqds/ddr.h                   |   10 ++++++++++
>>  ...s_nor_defconfig => ls1021aqds_d4_nor_defconfig} |    1 +
>>  include/configs/ls1021aqds.h                       |    4 +++-
>>  7 files changed, 31 insertions(+), 3 deletions(-)
>>  copy configs/{ls1021aqds_nor_defconfig => ls1021aqds_d4_nor_defconfig} (50%)
>>
>> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
>> index 11143a8..49c4b5a 100644
>> --- a/arch/arm/Kconfig
>> +++ b/arch/arm/Kconfig
>> @@ -473,6 +473,9 @@ config TARGET_LS2085A_SIMU
>>  config TARGET_LS1021AQDS
>>         bool "Support ls1021aqds_nor"
>>
>> +config TARGET_LS1021AQDS_D4
>> +       bool "Support ls1021aqds_nor with DDR4"
> 
> Use _DDR4 for the target, easier to understand when reading later.

I accept this suggestion but will wait for the final name of the board. I used
_D4 following T1040QDS_D4 because that board was named so.

York