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    Subject[PATCH v1 10/11] mmc: mmci: Add Qcom variations to MCICommand register.
    Date
    From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>

    Some bits which control Command Path State Machine (CPSM) are new in Qcom
    integration, so this patch adds support to those bits.

    Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
    ---
    drivers/mmc/host/mmci.c | 4 ++++
    drivers/mmc/host/mmci.h | 7 +++++++
    2 files changed, 11 insertions(+)

    diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
    index da135c0..def1b19 100644
    --- a/drivers/mmc/host/mmci.c
    +++ b/drivers/mmc/host/mmci.c
    @@ -901,6 +901,10 @@ mmci_start_command(struct mmci_host *host, struct mmc_command *cmd, u32 c)
    if (/*interrupt*/0)
    c |= MCI_CPSM_INTERRUPT;

    + if (host->hw_designer == AMBA_VENDOR_QCOM &&
    + mmc_cmd_type(cmd) == MMC_CMD_ADTC)
    + c |= MCI_CSPM_QCOM_DATCMD;
    +
    host->cmd = cmd;

    mmci_writel(host, cmd->arg, MMCIARGUMENT);
    diff --git a/drivers/mmc/host/mmci.h b/drivers/mmc/host/mmci.h
    index 0a6de1c..2ba0834 100644
    --- a/drivers/mmc/host/mmci.h
    +++ b/drivers/mmc/host/mmci.h
    @@ -64,6 +64,13 @@
    #define MCI_ST_ENCMD_COMPL (1 << 12)
    #define MCI_ST_NIEN (1 << 13)
    #define MCI_ST_CE_ATACMD (1 << 14)
    +/* Modified on Qualcomm Integrations */
    +#define MCI_CSPM_QCOM_DATCMD (1 << 12)
    +#define MCI_CSPM_QCOM_MCIABORT (1 << 13)
    +#define MCI_CSPM_QCOM_CCSENABLE (1 << 14)
    +#define MCI_CSPM_QCOM_CCSDISABLE (1 << 15)
    +#define MCI_CSPM_QCOM_AUTO_CMD19 (1 << 16)
    +#define MCI_CSPM_QCOM_AUTO_CMD21 (1 << 21)

    #define MMCIRESPCMD 0x010
    #define MMCIRESPONSE0 0x014
    --
    1.7.9.5


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