diff options
Diffstat (limited to 'drivers/mmc/tmio-common.c')
| -rw-r--r-- | drivers/mmc/tmio-common.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/mmc/tmio-common.c b/drivers/mmc/tmio-common.c index b311b80be8c..138de59470a 100644 --- a/drivers/mmc/tmio-common.c +++ b/drivers/mmc/tmio-common.c @@ -372,11 +372,19 @@ static int tmio_sd_dma_xfer(struct udevice *dev, struct mmc_data *data) } /* check if the address is DMA'able */ -static bool tmio_sd_addr_is_dmaable(unsigned long addr) +static bool tmio_sd_addr_is_dmaable(const char *src) { + uintptr_t addr = (uintptr_t)src; + if (!IS_ALIGNED(addr, TMIO_SD_DMA_MINALIGN)) return false; +#if defined(CONFIG_RCAR_GEN3) + /* Gen3 DMA has 32bit limit */ + if (addr >> 32) + return false; +#endif + #if defined(CONFIG_ARCH_UNIPHIER) && !defined(CONFIG_ARM64) && \ defined(CONFIG_SPL_BUILD) /* @@ -486,7 +494,7 @@ int tmio_sd_send_cmd(struct udevice *dev, struct mmc_cmd *cmd, if (data) { /* use DMA if the HW supports it and the buffer is aligned */ if (priv->caps & TMIO_SD_CAP_DMA_INTERNAL && - tmio_sd_addr_is_dmaable((long)data->src)) + tmio_sd_addr_is_dmaable(data->src)) ret = tmio_sd_dma_xfer(dev, data); else ret = tmio_sd_pio_xfer(dev, data); |