diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mmc/renesas-sdhi.c | 3 | ||||
| -rw-r--r-- | drivers/mmc/tmio-common.c | 3 | ||||
| -rw-r--r-- | drivers/mmc/tmio-common.h | 2 |
3 files changed, 8 insertions, 0 deletions
diff --git a/drivers/mmc/renesas-sdhi.c b/drivers/mmc/renesas-sdhi.c index 24130e6..2acb8c6 100644 --- a/drivers/mmc/renesas-sdhi.c +++ b/drivers/mmc/renesas-sdhi.c @@ -862,6 +862,9 @@ static void renesas_sdhi_filter_caps(struct udevice *dev) if (!(priv->caps & TMIO_SD_CAP_RCAR_GEN3)) return; + if (priv->caps & TMIO_SD_CAP_DMA_INTERNAL) + priv->idma_bus_width = TMIO_SD_DMA_MODE_BUS_WIDTH; + #if CONFIG_IS_ENABLED(MMC_UHS_SUPPORT) || \ CONFIG_IS_ENABLED(MMC_HS200_SUPPORT) || \ CONFIG_IS_ENABLED(MMC_HS400_SUPPORT) diff --git a/drivers/mmc/tmio-common.c b/drivers/mmc/tmio-common.c index 2c52868..6c0c840 100644 --- a/drivers/mmc/tmio-common.c +++ b/drivers/mmc/tmio-common.c @@ -324,6 +324,8 @@ static int tmio_sd_dma_xfer(struct udevice *dev, struct mmc_data *data) tmp = tmio_sd_readl(priv, TMIO_SD_DMA_MODE); + tmp |= priv->idma_bus_width; + if (data->flags & MMC_DATA_READ) { buf = data->dest; dir = DMA_FROM_DEVICE; @@ -702,6 +704,7 @@ static void tmio_sd_host_init(struct tmio_sd_priv *priv) if (priv->caps & TMIO_SD_CAP_DMA_INTERNAL) { tmp = tmio_sd_readl(priv, TMIO_SD_DMA_MODE); tmp |= TMIO_SD_DMA_MODE_ADDR_INC; + tmp |= priv->idma_bus_width; tmio_sd_writel(priv, tmp, TMIO_SD_DMA_MODE); } } diff --git a/drivers/mmc/tmio-common.h b/drivers/mmc/tmio-common.h index 9062300..59d5a0e 100644 --- a/drivers/mmc/tmio-common.h +++ b/drivers/mmc/tmio-common.h @@ -90,6 +90,7 @@ #define TMIO_SD_VOLT_180 (2 << 0)/* 1.8V signal */ #define TMIO_SD_DMA_MODE 0x410 #define TMIO_SD_DMA_MODE_DIR_RD BIT(16) /* 1: from device, 0: to dev */ +#define TMIO_SD_DMA_MODE_BUS_WIDTH (BIT(5) | BIT(4)) /* RCar, 64bit */ #define TMIO_SD_DMA_MODE_ADDR_INC BIT(0) /* 1: address inc, 0: fixed */ #define TMIO_SD_DMA_CTL 0x414 #define TMIO_SD_DMA_CTL_START BIT(0) /* start DMA (auto cleared) */ @@ -121,6 +122,7 @@ struct tmio_sd_priv { unsigned int version; u32 caps; u32 read_poll_flag; + u32 idma_bus_width; #define TMIO_SD_CAP_NONREMOVABLE BIT(0) /* Nonremovable e.g. eMMC */ #define TMIO_SD_CAP_DMA_INTERNAL BIT(1) /* have internal DMA engine */ #define TMIO_SD_CAP_DIV1024 BIT(2) /* divisor 1024 is available */ |