emmc: add macros CMD21, BUS_WIDTH_DDR_4 and BUS_WIDTH_DDR_8
Add some macros according to JEDEC Standard Embedded Multi-Media
Card (eMMC) Electrical Standard (5.1)": Table 145 - Bus Mode
Selection.
Change-Id: Iaa45e0582653ef4290efd60d039f0bdc420eeb47
Signed-off-by: Qixiang Xu <qixiang.xu@arm.com>
diff --git a/drivers/emmc/emmc.c b/drivers/emmc/emmc.c
index bcdc82c..92d1e87 100644
--- a/drivers/emmc/emmc.c
+++ b/drivers/emmc/emmc.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*
@@ -353,7 +353,9 @@
(clk != 0) &&
((width == EMMC_BUS_WIDTH_1) ||
(width == EMMC_BUS_WIDTH_4) ||
- (width == EMMC_BUS_WIDTH_8)));
+ (width == EMMC_BUS_WIDTH_8) ||
+ (width == EMMC_BUS_WIDTH_DDR_4) ||
+ (width == EMMC_BUS_WIDTH_DDR_8)));
ops = ops_ptr;
emmc_flags = flags;