i.MX28: Make use of the bounce buffer

This allows i.MX28 MMC host to fully utilize DMA transfers and caches, greatly
improving speed.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <festevam@gmail.com>

diff --git a/include/configs/m28evk.h b/include/configs/m28evk.h
index 4b97c7140d061dccb7668417447f6aa63235ac24..8b83180da83224d3deef8f51cfd7dbcd52127e82 100644 (file)
--- a/include/configs/m28evk.h
+++ b/include/configs/m28evk.h
@@ -140,6 +140,7 @@
  */
 #ifdef CONFIG_CMD_MMC
 #define        CONFIG_MMC
+#define        CONFIG_MMC_BOUNCE_BUFFER
 #define        CONFIG_GENERIC_MMC
 #define        CONFIG_MXS_MMC
 #endif

diff --git a/include/configs/mx28evk.h b/include/configs/mx28evk.h
index 30814c6c0cbd72455d148ca2b24a94370e4f7404..cdcc6e0eab36fb72ced636621524200a74d49654 100644 (file)
--- a/include/configs/mx28evk.h
+++ b/include/configs/mx28evk.h
@@ -138,6 +138,7 @@
 #ifdef CONFIG_CMD_MMC
 #define CONFIG_MMC
 #define CONFIG_GENERIC_MMC
+#define CONFIG_MMC_BOUNCE_BUFFER
 #define CONFIG_MXS_MMC
 #endif