From patchwork Tue Feb 18 01:25:44 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jaehoon Chung X-Patchwork-Id: 236448 List-Id: U-Boot discussion From: jh80.chung at samsung.com (Jaehoon Chung) Date: Tue, 18 Feb 2020 10:25:44 +0900 Subject: [PATCH v2 1/3] mmc: sdhci: use phys2bus macro when dma address is accessed In-Reply-To: <20200218012546.15858-1-jh80.chung@samsung.com> References: <20200218012546.15858-1-jh80.chung@samsung.com> Message-ID: <20200218012546.15858-2-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 --- Changelog on V2 - None 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 01fa5a9d4d..93c9049c5d 100644 --- a/drivers/mmc/sdhci.c +++ b/drivers/mmc/sdhci.c @@ -15,6 +15,7 @@ #include #include #include +#include #if defined(CONFIG_FIXED_SDHCI_ALIGNED_BUFFER) void *aligned_buffer = (void *)CONFIG_FIXED_SDHCI_ALIGNED_BUFFER; @@ -164,7 +165,8 @@ static void sdhci_prepare_dma(struct sdhci_host *host, struct mmc_data *data, if (data->flags != MMC_DATA_READ) memcpy(aligned_buffer, data->src, trans_bytes); #endif - 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); @@ -220,7 +222,7 @@ 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); } }