[U-Boot] [PATCH 6/9] i.MX28: Make use of the bounce buffer

Marek Vasut marex at denx.de
Fri Mar 16 05:33:22 CET 2012


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

Signed-off-by: Marek Vasut <marex at denx.de>
Cc: Fabio Estevam <festevam at gmail.com>
---
 include/configs/m28evk.h  |    1 +
 include/configs/mx28evk.h |    1 +
 2 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/include/configs/m28evk.h b/include/configs/m28evk.h
index 4d59153..dc1acbf 100644
--- 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 04967d7..33b2f78 100644
--- 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
 
-- 
1.7.9



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