RE: [PATCH V6 1/2] mmc: core: HS200 mode support for eMMC 4.5

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> -----Original Message-----
> From: Girish K S [mailto:girish.shivananjappa@xxxxxxxxxx]
> Sent: Monday, December 19, 2011 4:20 PM
> To: Subhash Jadavani
> Cc: linux-mmc@xxxxxxxxxxxxxxx; patches@xxxxxxxxxx; linux-samsung-
> soc@xxxxxxxxxxxxxxx; Chris Ball
> Subject: Re: [PATCH V6 1/2] mmc: core: HS200 mode support for eMMC 4.5
> 
> On 19 December 2011 15:40, Subhash Jadavani <subhashj@xxxxxxxxxxxxxx>
> wrote:
> > Hi Girish,
> >
> > Overall this patch looks good. I have only 2 minor comments inline
> below.
> >
> > Regards,
> > Subhash
> >
> >
> >> -----Original Message-----
> >> From: linux-mmc-owner@xxxxxxxxxxxxxxx [mailto:linux-mmc-
> >> owner@xxxxxxxxxxxxxxx] On Behalf Of Girish K S
> >> Sent: Monday, December 19, 2011 12:07 PM
> >> To: linux-mmc@xxxxxxxxxxxxxxx
> >> Cc: patches@xxxxxxxxxx; linux-samsung-soc@xxxxxxxxxxxxxxx; Girish K
> S;
> >> Chris Ball
> >> Subject: [PATCH V6 1/2] mmc: core: HS200 mode support for eMMC 4.5
> >>
> >> This patch adds the support of the HS200 bus speed for eMMC 4.5
> >> devices.
> >> The eMMC 4.5 devices have support for 200MHz bus speed. The function
> >> prototype of the tuning function is modified to handle the tuning
> >> command
> >> number which is different in sd and mmc case.
> >>
> >> cc: Chris Ball <cjb@xxxxxxxxxx>
> >> Signed-off-by: Girish K S <girish.shivananjappa@xxxxxxxxxx>
> >> ---
> >>  drivers/mmc/core/bus.c     |    3 +-
> >>  drivers/mmc/core/debugfs.c |    3 +
> >>  drivers/mmc/core/mmc.c     |  147
> >> +++++++++++++++++++++++++++++++++++++++++---
> >>  drivers/mmc/core/sd.c      |    3 +-
> >>  drivers/mmc/core/sdio.c    |    4 +-
> >>  include/linux/mmc/card.h   |    3 +
> >>  include/linux/mmc/mmc.h    |   66 +++++++++++++++++++-
> >>  7 files changed, 216 insertions(+), 13 deletions(-)
> >>
> >> diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c
> >> index f8a228a..5d011a3 100644
> >> --- a/drivers/mmc/core/bus.c
> >> +++ b/drivers/mmc/core/bus.c
> >> @@ -303,10 +303,11 @@ int mmc_add_card(struct mmc_card *card)
> >>                       mmc_card_ddr_mode(card) ? "DDR " : "",
> >>                       type);
> >>       } else {
> >> -             printk(KERN_INFO "%s: new %s%s%s card at address
> %04x\n",
> >> +             pr_info("%s: new %s%s%s%s card at address %04x\n",
> >>                       mmc_hostname(card->host),
> >>                       mmc_card_uhs(card) ? "ultra high speed " :
> >>                       (mmc_card_highspeed(card) ? "high speed " :
> ""),
> >> +                     (mmc_card_hs200(card) ? "HS200 " : ""),
> >>                       mmc_card_ddr_mode(card) ? "DDR " : "",
> >>                       type, card->rca);
> >>       }
> >> diff --git a/drivers/mmc/core/debugfs.c b/drivers/mmc/core/debugfs.c
> >> index 027615d..9ab5b17 100644
> >> --- a/drivers/mmc/core/debugfs.c
> >> +++ b/drivers/mmc/core/debugfs.c
> >> @@ -135,6 +135,9 @@ static int mmc_ios_show(struct seq_file *s, void
> >> *data)
> >>       case MMC_TIMING_UHS_DDR50:
> >>               str = "sd uhs DDR50";
> >>               break;
> >> +     case MMC_TIMING_MMC_HS200:
> >> +             str = "mmc high-speed SDR200";
> >> +             break;
> >>       default:
> >>               str = "invalid";
> >>               break;
> >> diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
> >> index f0a9f1f..d5d93de 100644
> >> --- a/drivers/mmc/core/mmc.c
> >> +++ b/drivers/mmc/core/mmc.c
> >> @@ -286,6 +286,27 @@ static int mmc_read_ext_csd(struct mmc_card
> *card,
> >> u8 *ext_csd)
> >>       }
> >>       card->ext_csd.raw_card_type = ext_csd[EXT_CSD_CARD_TYPE];
> >>       switch (ext_csd[EXT_CSD_CARD_TYPE] & EXT_CSD_CARD_TYPE_MASK) {
> >> +     case EXT_CSD_CARD_TYPE_SDR_ALL:
> >> +     case EXT_CSD_CARD_TYPE_SDR_ALL_DDR_1_8V:
> >> +     case EXT_CSD_CARD_TYPE_SDR_ALL_DDR_1_2V:
> >> +     case EXT_CSD_CARD_TYPE_SDR_ALL_DDR_52:
> >> +             card->ext_csd.hs_max_dtr = 200000000;
> >> +             card->ext_csd.card_type = EXT_CSD_CARD_TYPE_SDR_200;
> >> +             break;
> >> +     case EXT_CSD_CARD_TYPE_SDR_1_2V_ALL:
> >> +     case EXT_CSD_CARD_TYPE_SDR_1_2V_DDR_1_8V:
> >> +     case EXT_CSD_CARD_TYPE_SDR_1_2V_DDR_1_2V:
> >> +     case EXT_CSD_CARD_TYPE_SDR_1_2V_DDR_52:
> >> +             card->ext_csd.hs_max_dtr = 200000000;
> >> +             card->ext_csd.card_type = EXT_CSD_CARD_TYPE_SDR_1_2V;
> >> +             break;
> >> +     case EXT_CSD_CARD_TYPE_SDR_1_8V_ALL:
> >> +     case EXT_CSD_CARD_TYPE_SDR_1_8V_DDR_1_8V:
> >> +     case EXT_CSD_CARD_TYPE_SDR_1_8V_DDR_1_2V:
> >> +     case EXT_CSD_CARD_TYPE_SDR_1_8V_DDR_52:
> >> +             card->ext_csd.hs_max_dtr = 200000000;
> >> +             card->ext_csd.card_type = EXT_CSD_CARD_TYPE_SDR_1_8V;
> >> +             break;
> >>       case EXT_CSD_CARD_TYPE_DDR_52 | EXT_CSD_CARD_TYPE_52 |
> >>            EXT_CSD_CARD_TYPE_26:
> >>               card->ext_csd.hs_max_dtr = 52000000;
> >> @@ -700,6 +721,52 @@ static int mmc_select_powerclass(struct
> mmc_card
> >> *card,
> >>  }
> >>
> >>  /*
> >> + * Selects the desired buswidth and switch to the HS200 mode
> >> + * if bus width set without error
> >> + */
> >> +static int mmc_select_hs200(struct mmc_card *card)
> >> +{
> >> +     int err = 0;
> >> +     struct mmc_host *host;
> >> +     u32 bus_width = MMC_BUS_WIDTH_4;
> >> +
> >> +     BUG_ON(!card);
> >> +
> >> +     host = card->host;
> >> +
> >> +     /*
> >> +      * Host is capable of 8bit transfer, then switch
> >> +      * the device to work in 8bit transfer mode. If the
> >> +      * mmc switch command returns error then switch to
> >> +      * 4bit transfer mode. On success set the corresponding
> >> +      * bus width on the host.
> >> +      */
> >> +     if (host->caps & MMC_CAP_8_BIT_DATA) {
> >> +             err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
> >> +                              EXT_CSD_BUS_WIDTH,
> >> +                              EXT_CSD_BUS_WIDTH_8,
> >> +                              card->ext_csd.generic_cmd6_time);
> >> +             bus_width = MMC_BUS_WIDTH_8;
> >> +     }
> >> +
> >> +     /* If the 8bit mode fails switch to 4 bit mode */
> >> +     if (err)
> >> +             err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
> >> +                              EXT_CSD_BUS_WIDTH,
> >> +                              EXT_CSD_BUS_WIDTH_4,
> >> +                              card->ext_csd.generic_cmd6_time);
> >
> > Don't you need to set the bus_width = MMC_BUS_WIDTH_4 after sending
> the
> > switch?
> > Let's say if the host->caps says it support the 8-bit mode but
> mmc_switch()
> > fails but your bus_width will still be MMC_BUS_WIDTH_8. Now you try
> to set
> > the bus width to 4-bit which will succeed but bus_width variable is
> not
> > initialize to 4-bit yet.
> 
> Thanks just missed it.
> 
> >
> >
> >
> >> +
> >> +     /* switch to HS200 mode if bus width set successfully */
> >> +     if (!err) {
> >> +             mmc_set_bus_width(card->host, bus_width);
> >> +             err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
> >> +                              EXT_CSD_HS_TIMING, 2, 0);
> >> +     }
> >> +
> >> +     return err;
> >> +}
> >> +
> >> +/*
> >>   * Handle the detection and initialisation of a card.
> >>   *
> >>   * In the case of a resume, "oldcard" will contain the card
> >> @@ -905,11 +972,15 @@ static int mmc_init_card(struct mmc_host
> *host,
> >> u32 ocr,
> >>       /*
> >>        * Activate high speed (if supported)
> >>        */
> >> -     if ((card->ext_csd.hs_max_dtr != 0) &&
> >> -             (host->caps & MMC_CAP_MMC_HIGHSPEED)) {
> >> -             err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
> >> -                              EXT_CSD_HS_TIMING, 1,
> >> -                              card->ext_csd.generic_cmd6_time);
> >> +     if (card->ext_csd.hs_max_dtr != 0) {
> >> +             err = 0;
> >> +             if ((card->ext_csd.hs_max_dtr > 52000000) &&
> >> +                 (host->caps2 & MMC_CAP2_HS200))
> >> +                     err = mmc_select_hs200(card);
> >> +             else if (host->caps & MMC_CAP_MMC_HIGHSPEED)
> >> +                     err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
> >> +                                      EXT_CSD_HS_TIMING, 1, 0);
> >> +
> >>               if (err && err != -EBADMSG)
> >>                       goto free_card;
> >>
> >> @@ -918,8 +989,15 @@ static int mmc_init_card(struct mmc_host *host,
> >> u32 ocr,
> >>                              mmc_hostname(card->host));
> >>                       err = 0;
> >>               } else {
> >> -                     mmc_card_set_highspeed(card);
> >> -                     mmc_set_timing(card->host, MMC_TIMING_MMC_HS);
> >> +                     if ((card->ext_csd.hs_max_dtr > 52000000) &&
> >> +                         (host->caps2 & MMC_CAP2_HS200)) {
> >> +                             mmc_card_set_hs200(card);
> >> +                             mmc_set_timing(card->host,
> >> +                                            MMC_TIMING_MMC_HS200);
> >> +                     } else {
> >> +                             mmc_card_set_highspeed(card);
> >> +                             mmc_set_timing(card->host,
> > MMC_TIMING_MMC_HS);
> >> +                     }
> >>               }
> >>       }
> >>
> >> @@ -944,7 +1022,7 @@ static int mmc_init_card(struct mmc_host *host,
> >> u32 ocr,
> >>        */
> >>       max_dtr = (unsigned int)-1;
> >>
> >> -     if (mmc_card_highspeed(card)) {
> >> +     if (mmc_card_highspeed(card) || mmc_card_hs200(card)) {
> >>               if (max_dtr > card->ext_csd.hs_max_dtr)
> >>                       max_dtr = card->ext_csd.hs_max_dtr;
> >>       } else if (max_dtr > card->csd.max_dtr) {
> >> @@ -970,9 +1048,60 @@ static int mmc_init_card(struct mmc_host
> *host,
> >> u32 ocr,
> >>       }
> >>
> >>       /*
> >> +      * Indicate HS200 SDR mode (if supported).
> >> +      */
> >> +     if (mmc_card_hs200(card)) {
> >> +             u32 ext_csd_bits;
> >> +             u32 bus_width = card->host->ios.bus_width;
> >> +
> >> +             /*
> >> +              * For devices supporting HS200 mode, the bus width
> has
> >> +              * to be set before executing the tuning function. If
> >> +              * set before tuning, then device will respond with
> CRC
> >> +              * errors for responses on CMD line. So for HS200 the
> >> +              * sequence will be
> >> +              * 1. set bus width 4bit / 8 bit (1 bit not supported)
> >> +              * 2. switch to HS200 mode
> >> +              * 3. set the clock to > 52Mhz <=200MHz and
> >> +              * 4. execute tuning for HS200
> >> +              */
> >> +             if ((host->caps2 & MMC_CAP2_HS200) &&
> >> +                 card->host->ops->execute_tuning)
> >> +                     err = card->host->ops->execute_tuning(card-
> >host,
> >> +                                     MMC_SEND_TUNING_BLOCK_HS200);
> >> +             if (err) {
> >> +                     pr_warning("tuning execution failed\n");
> >> +                     goto err;
> >> +             }
> >> +
> >> +             ext_csd_bits = (bus_width == MMC_BUS_WIDTH_8) ?
> >> +                                     EXT_CSD_BUS_WIDTH_8 :
> >> +                                     EXT_CSD_BUS_WIDTH_4;
> >> +             err = mmc_select_powerclass(card, ext_csd_bits,
> ext_csd);
> >> +             if (err) {
> >> +                     pr_err("%s: power class selection to bus
> width"
> >> +                            "%d failed\n", mmc_hostname(card-
> >host),
> >> +                            1 << bus_width);
> >> +                     goto err;
> >> +             }
> >> +
> >> +             if ((card->ext_csd.card_type &
> EXT_CSD_CARD_TYPE_SDR_1_2V)
> >> +                     && (host->caps2 & MMC_CAP2_HS200_1_2V_SDR)) {
> >> +                     err = mmc_set_signal_voltage(host,
> >> +                             MMC_SIGNAL_VOLTAGE_120, 0);
> >
> > Shouldn't this voltage switch be done in mmc_select_hs200() before
> selecting
> > the bus width and timings?
> 
> Will it affect the functionality?. Since it it IO voltage I think it
> can be done here. And I am setting the Host specific timing and
> buswidth again.
> is ur intention to avoid setting timing and buswidth again?

Actually both. execute_tuning should be run with actual I/O voltage in which
card is going to run. But here you are first running the execute_tuning()
may be at 3.3v/1.8v then changing the I/O voltage which I guess doesn't look
correct.

SD3.01 specification has specifically mentioned that first the I/O voltage
switch should happen and then only execute_tuning() should happen. So it's
better to check if the eMMC4.5 spec. also implies this restriction anywhere
or not.

> 
> >
> >
> >
> >
> >
> >> +
> >> +                     if (err)
> >> +                             goto err;
> >> +                     mmc_set_timing(card->host,
> MMC_TIMING_MMC_HS200);
> >> +                     mmc_set_bus_width(card->host, bus_width);
> >> +             }
> >> +     }
> >> +
> >> +     /*
> >>        * Activate wide bus and DDR (if supported).
> >>        */
> >> -     if ((card->csd.mmca_vsn >= CSD_SPEC_VER_4) &&
> >> +     if (!mmc_card_hs200(card) &&
> >> +         (card->csd.mmca_vsn >= CSD_SPEC_VER_3) &&
> >>           (host->caps & (MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA)))
> {
> >>               static unsigned ext_csd_bits[][2] = {
> >>                       { EXT_CSD_BUS_WIDTH_8, EXT_CSD_DDR_BUS_WIDTH_8
> },
> >> diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c
> >> index 6f27d35..a775131 100644
> >> --- a/drivers/mmc/core/sd.c
> >> +++ b/drivers/mmc/core/sd.c
> >> @@ -661,7 +661,8 @@ static int mmc_sd_init_uhs_card(struct mmc_card
> >> *card)
> >>
> >>       /* SPI mode doesn't define CMD19 */
> >>       if (!mmc_host_is_spi(card->host) && card->host->ops-
> >> >execute_tuning)
> >> -             err = card->host->ops->execute_tuning(card->host);
> >> +             err = card->host->ops->execute_tuning(card->host,
>   \
> >> +
> > MMC_SEND_TUNING_BLOCK);
> >>
> >>  out:
> >>       kfree(status);
> >> diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c
> >> index b77f770..bd7bacc 100644
> >> --- a/drivers/mmc/core/sdio.c
> >> +++ b/drivers/mmc/core/sdio.c
> >> @@ -14,6 +14,7 @@
> >>
> >>  #include <linux/mmc/host.h>
> >>  #include <linux/mmc/card.h>
> >> +#include <linux/mmc/mmc.h>
> >>  #include <linux/mmc/sdio.h>
> >>  #include <linux/mmc/sdio_func.h>
> >>  #include <linux/mmc/sdio_ids.h>
> >> @@ -556,7 +557,8 @@ static int mmc_sdio_init_uhs_card(struct
> mmc_card
> >> *card)
> >>
> >>       /* Initialize and start re-tuning timer */
> >>       if (!mmc_host_is_spi(card->host) && card->host->ops-
> >> >execute_tuning)
> >> -             err = card->host->ops->execute_tuning(card->host);
> >> +             err = card->host->ops->execute_tuning(card->host,
> >> +
> > MMC_SEND_TUNING_BLOCK);
> >>
> >>  out:
> >>
> >> diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
> >> index 9478a6b..9f22ba5 100644
> >> --- a/include/linux/mmc/card.h
> >> +++ b/include/linux/mmc/card.h
> >> @@ -216,6 +216,7 @@ struct mmc_card {
> >>  #define MMC_STATE_ULTRAHIGHSPEED (1<<5)              /* card is in
> ultra
> >> high speed mode */
> >>  #define MMC_CARD_SDXC                (1<<6)          /* card is
> SDXC */
> >>  #define MMC_CARD_REMOVED     (1<<7)          /* card has been
> >> removed */
> >> +#define MMC_STATE_HIGHSPEED_200      (1<<8)          /* card is in
> >> HS200 mode */
> >>       unsigned int            quirks;         /* card quirks */
> >>  #define MMC_QUIRK_LENIENT_FN0        (1<<0)          /* allow SDIO
> FN0
> >> writes outside of the VS CCCR range */
> >>  #define MMC_QUIRK_BLKSZ_FOR_BYTE_MODE (1<<1) /* use func-
> >> >cur_blksize */
> >> @@ -374,6 +375,7 @@ static inline void __maybe_unused
> >> remove_quirk(struct mmc_card *card, int data)
> >>  #define mmc_card_present(c)  ((c)->state & MMC_STATE_PRESENT)
> >>  #define mmc_card_readonly(c) ((c)->state & MMC_STATE_READONLY)
> >>  #define mmc_card_highspeed(c)        ((c)->state &
> MMC_STATE_HIGHSPEED)
> >> +#define mmc_card_hs200(c)    ((c)->state & MMC_STATE_HIGHSPEED_200)
> >>  #define mmc_card_blockaddr(c)        ((c)->state &
> MMC_STATE_BLOCKADDR)
> >>  #define mmc_card_ddr_mode(c) ((c)->state & MMC_STATE_HIGHSPEED_DDR)
> >>  #define mmc_card_uhs(c)              ((c)->state &
> >> MMC_STATE_ULTRAHIGHSPEED)
> >> @@ -384,6 +386,7 @@ static inline void __maybe_unused
> >> remove_quirk(struct mmc_card *card, int data)
> >>  #define mmc_card_set_present(c)      ((c)->state |=
> MMC_STATE_PRESENT)
> >>  #define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY)
> >>  #define mmc_card_set_highspeed(c) ((c)->state |=
> MMC_STATE_HIGHSPEED)
> >> +#define mmc_card_set_hs200(c)        ((c)->state |=
> >> MMC_STATE_HIGHSPEED_200)
> >>  #define mmc_card_set_blockaddr(c) ((c)->state |=
> MMC_STATE_BLOCKADDR)
> >>  #define mmc_card_set_ddr_mode(c) ((c)->state |=
> >> MMC_STATE_HIGHSPEED_DDR)
> >>  #define mmc_card_set_uhs(c) ((c)->state |=
> MMC_STATE_ULTRAHIGHSPEED)
> >> diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h
> >> index 665548e..2c8cc69 100644
> >> --- a/include/linux/mmc/mmc.h
> >> +++ b/include/linux/mmc/mmc.h
> >> @@ -51,6 +51,7 @@
> >>  #define MMC_READ_SINGLE_BLOCK    17   /* adtc [31:0] data addr   R1
> >> */
> >>  #define MMC_READ_MULTIPLE_BLOCK  18   /* adtc [31:0] data addr   R1
> >> */
> >>  #define MMC_SEND_TUNING_BLOCK    19   /* adtc                    R1
> >> */
> >> +#define MMC_SEND_TUNING_BLOCK_HS200  21      /* adtc R1  */
> >>
> >>    /* class 3 */
> >>  #define MMC_WRITE_DAT_UNTIL_STOP 20   /* adtc [31:0] data addr   R1
> >> */
> >> @@ -339,13 +340,76 @@ struct _mmc_csd {
> >>
> >>  #define EXT_CSD_CARD_TYPE_26 (1<<0)  /* Card can run at 26MHz */
> >>  #define EXT_CSD_CARD_TYPE_52 (1<<1)  /* Card can run at 52MHz */
> >> -#define EXT_CSD_CARD_TYPE_MASK       0xF     /* Mask out reserved
> bits */
> >> +#define EXT_CSD_CARD_TYPE_MASK       0x3F    /* Mask out reserved
> bits */
> >>  #define EXT_CSD_CARD_TYPE_DDR_1_8V  (1<<2)   /* Card can run at
> 52MHz
> >> */
> >>                                            /* DDR mode @1.8V or 3V
> I/O */
> >>  #define EXT_CSD_CARD_TYPE_DDR_1_2V  (1<<3)   /* Card can run at
> 52MHz
> >> */
> >>                                            /* DDR mode @1.2V I/O */
> >>  #define EXT_CSD_CARD_TYPE_DDR_52       (EXT_CSD_CARD_TYPE_DDR_1_8V
>  \
> >>                                       | EXT_CSD_CARD_TYPE_DDR_1_2V)
> >> +#define EXT_CSD_CARD_TYPE_SDR_1_8V   (1<<4)  /* Card can run at
> >> 200MHz */
> >> +#define EXT_CSD_CARD_TYPE_SDR_1_2V   (1<<5)  /* Card can run at
> >> 200MHz */
> >> +                                             /* SDR mode @1.2V I/O
> */
> >> +
> >> +#define EXT_CSD_CARD_TYPE_SDR_200    (EXT_CSD_CARD_TYPE_SDR_1_8V
>   \
> >> +                                     | EXT_CSD_CARD_TYPE_SDR_1_2V)
> >> +
> >> +#define EXT_CSD_CARD_TYPE_SDR_ALL    (EXT_CSD_CARD_TYPE_SDR_200
>  \
> >> +                                     | EXT_CSD_CARD_TYPE_52
>  \
> >> +                                     | EXT_CSD_CARD_TYPE_26)
> >> +
> >> +#define      EXT_CSD_CARD_TYPE_SDR_1_2V_ALL
> >>       (EXT_CSD_CARD_TYPE_SDR_1_2V     \
> >> +                                     | EXT_CSD_CARD_TYPE_52
>  \
> >> +                                     | EXT_CSD_CARD_TYPE_26)
> >> +
> >> +#define      EXT_CSD_CARD_TYPE_SDR_1_8V_ALL
> >>       (EXT_CSD_CARD_TYPE_SDR_1_8V     \
> >> +                                     | EXT_CSD_CARD_TYPE_52
>  \
> >> +                                     | EXT_CSD_CARD_TYPE_26)
> >> +
> >> +#define EXT_CSD_CARD_TYPE_SDR_1_2V_DDR_1_8V
> >>       (EXT_CSD_CARD_TYPE_SDR_1_2V  \
> >> +                                             |
> EXT_CSD_CARD_TYPE_DDR_1_8V
> > \
> >> +                                             | EXT_CSD_CARD_TYPE_52
> > \
> >> +                                             |
> EXT_CSD_CARD_TYPE_26)
> >> +
> >> +#define EXT_CSD_CARD_TYPE_SDR_1_8V_DDR_1_8V
> >>       (EXT_CSD_CARD_TYPE_SDR_1_8V  \
> >> +                                             |
> EXT_CSD_CARD_TYPE_DDR_1_8V
> > \
> >> +                                             | EXT_CSD_CARD_TYPE_52
> > \
> >> +                                             |
> EXT_CSD_CARD_TYPE_26)
> >> +
> >> +#define EXT_CSD_CARD_TYPE_SDR_1_2V_DDR_1_2V
> >>       (EXT_CSD_CARD_TYPE_SDR_1_2V  \
> >> +                                             |
> EXT_CSD_CARD_TYPE_DDR_1_2V
> > \
> >> +                                             | EXT_CSD_CARD_TYPE_52
> > \
> >> +                                             |
> EXT_CSD_CARD_TYPE_26)
> >> +
> >> +#define EXT_CSD_CARD_TYPE_SDR_1_8V_DDR_1_2V
> >>       (EXT_CSD_CARD_TYPE_SDR_1_8V  \
> >> +                                             |
> EXT_CSD_CARD_TYPE_DDR_1_2V
> > \
> >> +                                             | EXT_CSD_CARD_TYPE_52
> > \
> >> +                                             |
> EXT_CSD_CARD_TYPE_26)
> >> +
> >> +#define EXT_CSD_CARD_TYPE_SDR_1_2V_DDR_52
> >>       (EXT_CSD_CARD_TYPE_SDR_1_2V  \
> >> +                                             |
> EXT_CSD_CARD_TYPE_DDR_52
> > \
> >> +                                             | EXT_CSD_CARD_TYPE_52
> > \
> >> +                                             |
> EXT_CSD_CARD_TYPE_26)
> >> +
> >> +#define EXT_CSD_CARD_TYPE_SDR_1_8V_DDR_52
> >>       (EXT_CSD_CARD_TYPE_SDR_1_8V  \
> >> +                                             |
> EXT_CSD_CARD_TYPE_DDR_52
> > \
> >> +                                             | EXT_CSD_CARD_TYPE_52
> > \
> >> +                                             |
> EXT_CSD_CARD_TYPE_26)
> >> +
> >> +#define EXT_CSD_CARD_TYPE_SDR_ALL_DDR_1_8V
> >>       (EXT_CSD_CARD_TYPE_SDR_200   \
> >> +                                             |
> EXT_CSD_CARD_TYPE_DDR_1_8V
> > \
> >> +                                             | EXT_CSD_CARD_TYPE_52
> > \
> >> +                                             |
> EXT_CSD_CARD_TYPE_26)
> >> +
> >> +#define EXT_CSD_CARD_TYPE_SDR_ALL_DDR_1_2V
> >>       (EXT_CSD_CARD_TYPE_SDR_200   \
> >> +                                             |
> EXT_CSD_CARD_TYPE_DDR_1_2V
> > \
> >> +                                             | EXT_CSD_CARD_TYPE_52
> > \
> >> +                                             |
> EXT_CSD_CARD_TYPE_26)
> >> +
> >> +#define EXT_CSD_CARD_TYPE_SDR_ALL_DDR_52
> (EXT_CSD_CARD_TYPE_SDR_200
> >> \
> >> +                                             |
> EXT_CSD_CARD_TYPE_DDR_52
> > \
> >> +                                             | EXT_CSD_CARD_TYPE_52
> > \
> >> +                                             |
> EXT_CSD_CARD_TYPE_26)
> >>
> >>  #define EXT_CSD_BUS_WIDTH_1  0       /* Card is in 1 bit mode */
> >>  #define EXT_CSD_BUS_WIDTH_4  1       /* Card is in 4 bit mode */
> >> --
> >> 1.7.1
> >>
> >> --
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> in
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> >

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