linux-kernel - Re: [PATCH V2 9/9] mmc: mmci: add sdmmc variant revision 2.0

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Date:   Wed, 19 Feb 2020 11:28:59 +0100
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Ludovic BARRE <ludovic.barre@...com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        DTML <devicetree@...r.kernel.org>,
        "linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
        linux-stm32@...md-mailman.stormreply.com
Subject: Re: [PATCH V2 9/9] mmc: mmci: add sdmmc variant revision 2.0

On Tue, 11 Feb 2020 at 15:44, Ludovic BARRE <ludovic.barre@...com> wrote:
>
> hi Ulf
>
> Le 1/28/20 à 10:06 AM, Ludovic Barre a écrit :
> > This patch adds a sdmmc variant revision 2.0.
> > This revision is backward compatible with 1.1, and adds dma
> > link list support.
> >
> > Signed-off-by: Ludovic Barre <ludovic.barre@...com>
> > ---
> >   drivers/mmc/host/mmci.c | 30 ++++++++++++++++++++++++++++++
> >   1 file changed, 30 insertions(+)
> >
> > diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
> > index 24e630183ed4..a774c329c212 100644
> > --- a/drivers/mmc/host/mmci.c
> > +++ b/drivers/mmc/host/mmci.c
> > @@ -275,6 +275,31 @@ static struct variant_data variant_stm32_sdmmc = {
> >       .init                   = sdmmc_variant_init,
> >   };
> >
> > +static struct variant_data variant_stm32_sdmmcv2 = {
> > +     .fifosize               = 16 * 4,
> > +     .fifohalfsize           = 8 * 4,
> > +     .f_max                  = 208000000,
> > +     .stm32_clkdiv           = true,
> > +     .cmdreg_cpsm_enable     = MCI_CPSM_STM32_ENABLE,
> > +     .cmdreg_lrsp_crc        = MCI_CPSM_STM32_LRSP_CRC,
> > +     .cmdreg_srsp_crc        = MCI_CPSM_STM32_SRSP_CRC,
> > +     .cmdreg_srsp            = MCI_CPSM_STM32_SRSP,
> > +     .cmdreg_stop            = MCI_CPSM_STM32_CMDSTOP,
> > +     .data_cmd_enable        = MCI_CPSM_STM32_CMDTRANS,
> > +     .irq_pio_mask           = MCI_IRQ_PIO_STM32_MASK,
> > +     .datactrl_first         = true,
> > +     .datacnt_useless        = true,
> > +     .datalength_bits        = 25,
> > +     .datactrl_blocksz       = 14,
> > +     .datactrl_any_blocksz   = true,
> > +     .stm32_idmabsize_mask   = GENMASK(16, 5),
> > +     .dma_lli                = true,
> > +     .busy_timeout           = true,
>
> I forget "busy_detect           = true," property
> I add this in next patch set

No need for a re-send, I amended this when I applied it.

>
> > +     .busy_detect_flag       = MCI_STM32_BUSYD0,
> > +     .busy_detect_mask       = MCI_STM32_BUSYD0ENDMASK,
> > +     .init                   = sdmmc_variant_init,
> > +};
> > +
> >   static struct variant_data variant_qcom = {
> >       .fifosize               = 16 * 4,
> >       .fifohalfsize           = 8 * 4,
> > @@ -2343,6 +2368,11 @@ static const struct amba_id mmci_ids[] = {
> >               .mask   = 0xf0ffffff,
> >               .data   = &variant_stm32_sdmmc,
> >       },
> > +     {
> > +             .id     = 0x00253180,
> > +             .mask   = 0xf0ffffff,
> > +             .data   = &variant_stm32_sdmmcv2,
> > +     },
> >       /* Qualcomm variants */
> >       {
> >               .id     = 0x00051180,
> >

Kind regards
Uffe