Move to the common streaming DMA ops in order to get rid of the direct usage of the ARM MMU functions for the cache maintenance.
Signed-off-by: Lucas Stach <[email protected]> --- drivers/mci/tegra-sdmmc.c | 26 ++++++++++++++------------ 1 file changed, 14 insertions(+), 12 deletions(-) diff --git a/drivers/mci/tegra-sdmmc.c b/drivers/mci/tegra-sdmmc.c index 0e23d6f..670c280 100644 --- a/drivers/mci/tegra-sdmmc.c +++ b/drivers/mci/tegra-sdmmc.c @@ -17,10 +17,10 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ -#include <asm/mmu.h> #include <common.h> #include <clock.h> #include <driver.h> +#include <dma.h> #include <gpio.h> #include <init.h> #include <io.h> @@ -100,6 +100,7 @@ static int tegra_sdmmc_send_cmd(struct mci_host *mci, struct mci_cmd *cmd, struct mci_data *data) { struct tegra_sdmmc_host *host = to_tegra_sdmmc_host(mci); + unsigned int num_bytes = 0; u32 val = 0; int ret; @@ -109,15 +110,15 @@ static int tegra_sdmmc_send_cmd(struct mci_host *mci, struct mci_cmd *cmd, /* Set up for a data transfer if we have one */ if (data) { + num_bytes = data->blocks * data->blocksize; + if (data->flags & MMC_DATA_WRITE) { - dma_flush_range((unsigned long)data->src, - (unsigned long)(data->src + - data->blocks * 512)); + dma_sync_single_for_device((unsigned long)data->src, + num_bytes, DMA_TO_DEVICE); writel((u32)data->src, host->regs + SDHCI_DMA_ADDRESS); } else { - dma_clean_range((unsigned long)data->src, - (unsigned long)(data->src + - data->blocks * 512)); + dma_sync_single_for_device((unsigned long)data->dest, + num_bytes, DMA_FROM_DEVICE); writel((u32)data->dest, host->regs + SDHCI_DMA_ADDRESS); } @@ -255,11 +256,12 @@ static int tegra_sdmmc_send_cmd(struct mci_host *mci, struct mci_cmd *cmd, } writel(val, host->regs + SDHCI_INT_STATUS); - if (data->flags & MMC_DATA_READ) { - dma_inv_range((unsigned long)data->dest, - (unsigned long)(data->dest + - data->blocks * 512)); - } + if (data->flags & MMC_DATA_WRITE) + dma_sync_single_for_cpu((unsigned long)data->src, + num_bytes, DMA_TO_DEVICE); + else + dma_sync_single_for_cpu((unsigned long)data->dest, + num_bytes, DMA_FROM_DEVICE); } return 0; -- 2.1.0 _______________________________________________ barebox mailing list [email protected] http://lists.infradead.org/mailman/listinfo/barebox
