Re: [PATCH v5 0/9] Add sd/emmc support for stih407 family silicon

[Maxime Coquelin]

Hi Ulf,

On 04/10/2015 01:06 PM, Ulf Hansson wrote:
> On 10 April 2015 at 11:40, Peter Griffin <peter.griffin@xxxxxxxxxx> wrote:
> > Hi,
> >
> > This series adds sd/emmc support to the sdhci-st.c driver for stih407
> > family silicon. The changes mainly involve configuring some extra glue
> > registers in the flashSS which configure the Arasan controller.
> >
> > This series also adds support for UHS modes for eMMC. To allow
> > UHS HS200/SD104 modes to function correctly, due to the
> > tight timing constriants, support for delay management is also added.
> > Two types of delay management are supported, static delay management and
> > dynamic delay management, this delay management is only available
> > on eMMC pads on stih410 and later silicon.
> >
> > This series has been tested with stih410-b2120 revd on eMMC and sd, at
> > various clock speeds. As part of this testing a bug was also found in the
> > upstream flexgen clock set_rate implementation (now fixed upstream).
> >
> >      max-frequency = 200Mhz
> >      /dev/mmcblk0p1:
> >       Timing buffered disk reads: 270 MB in  3.02 seconds =  89.54 MB/sec
> >
> >      max-frequency = 100Mhz
> >      root@debian-armhf:~# hdparm -t /dev/mmcblk0p1
> >      /dev/mmcblk0p1:
> >       Timing buffered disk reads: 210 MB in  3.00 seconds =  70.00 MB/sec
> >
> >      max-frequency = 50Mhz
> >      root@debian-armhf:~# hdparm -t /dev/mmcblk0p1
> >      /dev/mmcblk0p1:
> >       Timing buffered disk reads: 118 MB in  3.00 seconds =  39.28 MB/sec
> >
> > It has also been tested on stih416-b2020 to ensure we have caused no
> > regressions. Finally the dt documentation has been updated to reflect
> > the changes in the driver code. Intrestingly it seems we are the first
> > upstream platform to be using some of the uhs bindings such as
> > sd-uhs-sdr104.
> >
> > Changes since v4:
> >   - Fixup typo (Pete)
> >
> > Changes since v3:
> >   - Rebased on Ulf's mmc next branch (rc5 based) (Ulf)
> >
> > Changes since v2:
> >   - Some whitespace fixups (Max)
> >   - if (!ioaddr) suggestion (Max)
> >   - Add stih418-b2199 suport (Max)
> >   - Stih410 to STiH410 fixes (Max)
> >   - rebased on v4.0-rc6 (Pete)
> >
> > Changes since v1:
> >   - Partition the changes into smaller patches to aid review process (Ulf)
> >
> > Peter Griffin (9):
> >    mmc: sdhci-st: Add macros for register offsets and bitfields for mmcss
> >      glue regs
> >    mmc: sdhci-st: Add support for de-asserting reset signal and top regs
> >      resource
> >    mmc: sdhci-st: Add delay management functions for top registers
> >      (eMMC).
> >    mmc: sdhci-st: Add st_mmcss_cconfig function to configure mmcss glue
> >      registers.
> >    mmc: sdhci-st: Add sdhci_st_set_uhs_signaling function.
> >    mmc: sdhci-st: Update the quirks for this controller.
> >    mmc: sdhci-st: Update ST SDHCI binding documentation.
> >    ARM: STi: DT: STiH407: Add dt nodes for sdhci and emmc.
> >    ARM: STi: DT: STiH418: Add dt nodes for sdhci and emmc.
> >
> >   Documentation/devicetree/bindings/mmc/sdhci-st.txt | 100 +++++-
> >   arch/arm/boot/dts/stih407-family.dtsi              |  30 ++
> >   arch/arm/boot/dts/stih410-b2120.dts                |  10 +
> >   arch/arm/boot/dts/stih418-b2199.dts                |  12 +
> >   arch/arm/boot/dts/stihxxx-b2120.dtsi               |   8 +
> >   drivers/mmc/host/sdhci-st.c                        | 354 ++++++++++++++++++++-
> >   6 files changed, 500 insertions(+), 14 deletions(-)
> >
> > --
> > 1.9.1
> Thanks! Applied.
Do you confirm you didn't applied the DT patches?

Thanks,
Maxime

> Kind regards
> Uffe

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