[PATCH 1/3] mmc: sdhci: use phys2bus macro when dma address is accessed
Jaehoon Chung
jh80.chung at samsung.com
Thu Jan 23 00:15:02 CET 2020
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(-)
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);
}
}
--
2.25.0
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