X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Fmmc%2Fomap_hsmmc.c;h=ef12ecd5e369517e75e24a295f88348ee96d2c97;hb=d50a8f45c9a640b3bcbd0ede91f83c8646cca018;hp=6f2280abff91af577644e0249a175702d477524e;hpb=eb9a28f699667919bf140bdabdf37c25be725c79;p=u-boot

diff --git a/drivers/mmc/omap_hsmmc.c b/drivers/mmc/omap_hsmmc.c
index 6f2280abff..ef12ecd5e3 100644
--- a/drivers/mmc/omap_hsmmc.c
+++ b/drivers/mmc/omap_hsmmc.c
@@ -30,6 +30,7 @@
 #include <twl4030.h>
 #include <asm/io.h>
 #include <asm/arch/mmc_host_def.h>
+#include <asm/arch/sys_proto.h>
 
 /* If we fail after 1 second wait, something is really bad */
 #define MAX_RETRY_MS	1000
@@ -465,6 +466,16 @@ int omap_mmc_init(int dev_index)
 	mmc->f_min = 400000;
 	mmc->f_max = 52000000;
 
+	mmc->b_max = 0;
+
+#if defined(CONFIG_OMAP34XX)
+	/*
+	 * Silicon revs 2.1 and older do not support multiblock transfers.
+	 */
+	if ((get_cpu_family() == CPU_OMAP34XX) && (get_cpu_rev() <= CPU_3XX_ES21))
+		mmc->b_max = 1;
+#endif
+
 	mmc_register(mmc);
 
 	return 0;