From: Jaehoon Chung <jh80.chung@samsung.com>
Date: Mon, 20 Jan 2020 09:33:26 +0000 (+0900)
Subject: mmc: sdhci: use phys2bus macro when dma address is accessed
X-Git-Tag: submit/tizen/20200121.034330~4
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=bdb24bb76e54bcf74ad7b08022327bdc994e95a9;p=platform%2Fkernel%2Fu-boot.git

mmc: sdhci: use phys2bus macro when dma address is accessed

Use phys2bus macro when dma address is accessed.
Some targets need to use phys2bus macro.(e.g, RPI4)
After applied it, SDMA mode can be used.

When thor download is used,
- Before : 1.8MB/s
- After : 7.23MB/s

Change-Id: Id63dbdc4bd48198ca33c2b55d9bdf3d9f1a4b570
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
---

diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index fbc576fd72..81f2f35dda 100644
--- a/drivers/mmc/sdhci.c
+++ b/drivers/mmc/sdhci.c
@@ -14,6 +14,7 @@
 #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;
@@ -163,7 +164,8 @@ 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);
@@ -219,7 +221,7 @@ 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);
 			}
 		}