To support the Samsung-SoC, added the basically functions. Samsung-SoC didn't used the SDHCI_CTRL_HISPD. And added set_control_reg callback for s3c64xx.

Signed-off-by: Jaehoon Chung jh80.chung@samsung.com Signed-off-by: Kyungmin Park kyungmin.park@samsung.com Acked-by: Lei Wenleiwen@marvell.com --- drivers/mmc/sdhci.c | 12 ++++++++++++ include/sdhci.h | 6 ++++++ 2 files changed, 18 insertions(+), 0 deletions(-)

diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c index 7790a1e..1709643 100644 --- a/drivers/mmc/sdhci.c +++ b/drivers/mmc/sdhci.c @@ -337,6 +337,9 @@ void sdhci_set_ios(struct mmc *mmc) u32 ctrl; struct sdhci_host *host = (struct sdhci_host *)mmc->priv;

+ if (host->set_control_reg) + host->set_control_reg(host); + if (mmc->clock != host->clock) sdhci_set_clock(mmc, mmc->clock);

@@ -360,6 +363,9 @@ void sdhci_set_ios(struct mmc *mmc) else ctrl &= ~SDHCI_CTRL_HISPD;

+ if (host->quirks & SDHCI_QUIRK_NO_HISPD_BIT) + ctrl &= ~SDHCI_CTRL_HISPD; + sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); }

@@ -443,9 +449,15 @@ int add_sdhci(struct sdhci_host *host, u32 max_clk, u32 min_clk) mmc->voltages |= MMC_VDD_29_30 | MMC_VDD_30_31; if (caps & SDHCI_CAN_VDD_180) mmc->voltages |= MMC_VDD_165_195; + + if (host->quirks & SDHCI_QUIRK_BROKEN_VOLTAGE) + mmc->voltages |= host->voltages; + mmc->host_caps = MMC_MODE_HS | MMC_MODE_HS_52MHz | MMC_MODE_4BIT; if (caps & SDHCI_CAN_DO_8BIT) mmc->host_caps |= MMC_MODE_8BIT; + if (host->host_caps) + mmc->host_caps |= host->host_caps;

sdhci_reset(host, SDHCI_RESET_ALL); mmc_register(mmc); diff --git a/include/sdhci.h b/include/sdhci.h index a2415ba..9d37183 100644 --- a/include/sdhci.h +++ b/include/sdhci.h @@ -217,6 +217,8 @@ #define SDHCI_QUIRK_32BIT_DMA_ADDR (1 << 0) #define SDHCI_QUIRK_REG32_RW (1 << 1) #define SDHCI_QUIRK_BROKEN_R1B (1 << 2) +#define SDHCI_QUIRK_NO_HISPD_BIT (1 << 3) +#define SDHCI_QUIRK_BROKEN_VOLTAGE (1 << 4)

/* to make gcc happy */ struct sdhci_host; @@ -241,10 +243,14 @@ struct sdhci_host { char *name; void *ioaddr; unsigned int quirks; + unsigned int host_caps; unsigned int version; unsigned int clock; struct mmc *mmc; const struct sdhci_ops *ops; + + void (*set_control_reg)(struct sdhci_host *host); + uint voltages; };

#ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS