[PATCH v3] ddr: marvell: a38x: Add support for DDR4 from Marvell mv-ddr-marvell repository

[Pali Rohár]

On Thursday 26 January 2023 20:58:10 Tony Dinh wrote:
> Hi Pali,
> 
> On Thu, Jan 26, 2023 at 1:26 AM Stefan Roese <sr at denx.de> wrote:
> >
> > On 1/19/23 04:03, Tony Dinh wrote:
> > > This syncs drivers/ddr/marvell/a38x/ with the master branch of repository
> > > https://github.com/MarvellEmbeddedProcessors/mv-ddr-marvell.git
> > >
> > > up to the commit "mv_ddr: a3700: Use the right size for memset to not overflow"
> > > d5acc10c287e40cc2feeb28710b92e45c93c702c
> > >
> > > This patch was created by following steps:
> > >
> > >       1. Replace all a38x files in U-Boot tree by files from upstream github
> > >       Marvell mv-ddr-marvell repository.
> > >
> > >       2. Run following command to omit portions not relevant for a38x, ddr3, and ddr4:
> > >
> > >       files=drivers/ddr/marvell/a38x/*
> > >       unifdef -m -UMV_DDR -UMV_DDR_ATF -UCONFIG_APN806 \
> > >               -UCONFIG_MC_STATIC -UCONFIG_MC_STATIC_PRINT -UCONFIG_PHY_STATIC \
> > >               -UCONFIG_PHY_STATIC_PRINT -UCONFIG_CUSTOMER_BOARD_SUPPORT \
> > >               -UCONFIG_A3700 -UA3900 -UA80X0 -UA70X0 -DCONFIG_ARMADA_38X -UCONFIG_ARMADA_39X \
> > >               -UCONFIG_64BIT $files
> > >
> > >       3. Manually change license to SPDX-License-Identifier
> > >       (upstream license in  upstream github repository contains long license
> > >       texts and U-Boot is using just SPDX-License-Identifier.
> > >
> > > After applying this patch, a38x, ddr3, and ddr4 code in upstream Marvell github
> > > repository and in U-Boot would be fully identical. So in future applying
> > > above steps could be used to sync code again.
> > >
> > > The only change in this patch are:
> > >       1. Some fixes with include files.
> > >       2. Some function return and basic type defines changes in
> > >       mv_ddr_plat.c (to correct Marvell bug).
> > >       3. Remove of dead code in newly copied files (as a result of the
> > >       filter script stripping out everything other than a38x, dd3, and ddr4).
> > >
> > > Reference:
> > >      "ddr: marvell: a38x: Sync code with Marvell mv-ddr-marvell repository"
> > >      https://source.denx.de/u-boot/u-boot/-/commit/107c3391b95bcc2ba09a876da4fa0c31b6c1e460
> > >
> > > Signed-off-by: Tony Dinh <mibodhi at gmail.com>
> >
> > Applied to u-boot-marvell/master
> >
> > Thanks,
> > Stefan
> 
> Looking at the history of the work we've done to sync u-boot code back
> to the mv-ddr-marvell repo, I think I should follow the same approach.
> So I've pushed 2 commits to my GitHub repo.
> https://github.com/MarvellEmbeddedProcessors/mv-ddr-marvell/compare/master...mibodhi:mv-ddr-marvell:u-boot-ddr4-2023.01-fix

Looks good!

> Please review these 2 commits and create a pull request to Marvell,
> like you did for others last year during DDR3 code sync.
> 
> Thanks,
> Tony