From patchwork Fri Mar 27 04:08:00 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jaehoon Chung X-Patchwork-Id: 244384 List-Id: U-Boot discussion From: jh80.chung at samsung.com (Jaehoon Chung) Date: Fri, 27 Mar 2020 13:08:00 +0900 Subject: [Patch V4 1/3] mmc: sdhci: use phys2bus macro when dma address is accessed In-Reply-To: <20200327040802.30103-1-jh80.chung@samsung.com> References: <20200327040802.30103-1-jh80.chung@samsung.com> Message-ID: <20200327040802.30103-2-jh80.chung@samsung.com> Use phys2bus macro when dma address is accessed. Some targets need to use pyhs2bus macro. (e.g, RPI4) After applied it, SDMA mode can be used. Signed-off-by: Jaehoon Chung Reviewed-by: Peng Fan Reviewed-by: Minkyu Kang --- drivers/mmc/sdhci.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c index 520c9f9feb..2b7493fbac 100644 --- a/drivers/mmc/sdhci.c +++ b/drivers/mmc/sdhci.c @@ -16,6 +16,7 @@ #include #include #include +#include static void sdhci_reset(struct sdhci_host *host, u8 mask) { @@ -150,7 +151,8 @@ static void sdhci_prepare_dma(struct sdhci_host *host, struct mmc_data *data, mmc_get_dma_dir(data)); if (host->flags & USE_SDMA) { - sdhci_writel(host, host->start_addr, SDHCI_DMA_ADDRESS); + sdhci_writel(host, phys_to_bus((ulong)host->start_addr), + SDHCI_DMA_ADDRESS); } else if (host->flags & (USE_ADMA | USE_ADMA64)) { sdhci_prepare_adma_table(host, data); @@ -204,7 +206,7 @@ static int sdhci_transfer_data(struct sdhci_host *host, struct mmc_data *data) start_addr &= ~(SDHCI_DEFAULT_BOUNDARY_SIZE - 1); start_addr += SDHCI_DEFAULT_BOUNDARY_SIZE; - sdhci_writel(host, start_addr, + sdhci_writel(host, phys_to_bus((ulong)start_addr), SDHCI_DMA_ADDRESS); } }