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Merge pull request #1227 from geesun/qx/emmc_macros

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emmc: add macros CMD21, BUS_WIDTH_DDR_4 and BUS_WIDTH_DDR_8
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davidcunado-arm 2018-01-19 23:56:58 +00:00 • committed by GitHub
commit b6df93dd70
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2 changed files with 8 additions and 3 deletions
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6
drivers/emmc/emmc.c
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@ -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 * SPDX-License-Identifier: BSD-3-Clause
* *
@ -353,7 +353,9 @@ void emmc_init(const emmc_ops_t *ops_ptr, int clk, int width,
(clk != 0) && (clk != 0) &&
((width == EMMC_BUS_WIDTH_1) || ((width == EMMC_BUS_WIDTH_1) ||
(width == EMMC_BUS_WIDTH_4) || (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; ops = ops_ptr;
emmc_flags = flags; emmc_flags = flags;

5
include/drivers/emmc.h
View file

@ -1,5 +1,5 @@
/* /*
* Copyright (c) 2016, ARM Limited and Contributors. All rights reserved. * Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved.
* *
* SPDX-License-Identifier: BSD-3-Clause * SPDX-License-Identifier: BSD-3-Clause
*/ */
@ -25,6 +25,7 @@
#define EMMC_CMD13 13 #define EMMC_CMD13 13
#define EMMC_CMD17 17 #define EMMC_CMD17 17
#define EMMC_CMD18 18 #define EMMC_CMD18 18
#define EMMC_CMD21 21
#define EMMC_CMD23 23 #define EMMC_CMD23 23
#define EMMC_CMD24 24 #define EMMC_CMD24 24
#define EMMC_CMD25 25 #define EMMC_CMD25 25
@ -61,6 +62,8 @@
#define EMMC_BUS_WIDTH_1 0 #define EMMC_BUS_WIDTH_1 0
#define EMMC_BUS_WIDTH_4 1 #define EMMC_BUS_WIDTH_4 1
#define EMMC_BUS_WIDTH_8 2 #define EMMC_BUS_WIDTH_8 2
#define EMMC_BUS_WIDTH_DDR_4 5
#define EMMC_BUS_WIDTH_DDR_8 6
#define EMMC_BOOT_MODE_BACKWARD (0 << 3) #define EMMC_BOOT_MODE_BACKWARD (0 << 3)
#define EMMC_BOOT_MODE_HS_TIMING (1 << 3) #define EMMC_BOOT_MODE_HS_TIMING (1 << 3)
#define EMMC_BOOT_MODE_DDR (2 << 3) #define EMMC_BOOT_MODE_DDR (2 << 3)