From fac8bfd4f52612fceb2d9784c93ed8f147f209c3 Mon Sep 17 00:00:00 2001
From: Jaehoon Chung <jh80.chung@samsung.com>
Date: Fri, 27 Mar 2020 13:08:00 +0900
Subject: [PATCH] mmc: sdhci: use phys2bus macro when dma address is accessed
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@samsung.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Minkyu Kang <mk7.kang@samsung.com>
Signed-off-by: Matthias Brugger <mbrugger@suse.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 372dc0a820..480fad37ed 100644
--- a/drivers/mmc/sdhci.c
+++ b/drivers/mmc/sdhci.c
@@ -16,6 +16,7 @@
#include <sdhci.h>
#include <dm.h>
#include <linux/dma-mapping.h>
+#include <phys2bus.h>
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);
}
}
--
2.39.5