[1/3] mmc: sdhci: use phys2bus macro when dma address is accessed

Message ID 20200122231504.26958-2-jh80.chung@samsung.com
State New
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Series
  • [1/3] mmc: sdhci: use phys2bus macro when dma address is accessed
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Commit Message

Jaehoon Chung Jan. 22, 2020, 11:15 p.m.
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 <jh80.chung at samsung.com>
---
 drivers/mmc/sdhci.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

Patch

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 <mmc.h>
 #include <sdhci.h>
 #include <dm.h>
+#include <phys2bus.h>
 
 #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);
 			}
 		}