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.ch...@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.p...@samsung.com>
Acked-by: Lei Wen<lei...@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
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