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	Add basic support for MMC, providing a uclass which can set up an MMC device. This allows MMC drivers to move to using driver model. Signed-off-by: Simon Glass <sjg@chromium.org>
		
			
				
	
	
		
			35 lines
		
	
	
		
			628 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			35 lines
		
	
	
		
			628 B
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Copyright (C) 2015 Google, Inc
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|  * Written by Simon Glass <sjg@chromium.org>
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|  *
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|  * SPDX-License-Identifier:	GPL-2.0+
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|  */
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| 
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| #include <common.h>
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| #include <mmc.h>
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| #include <dm.h>
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| #include <dm/lists.h>
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| #include <dm/root.h>
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| 
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| struct mmc *mmc_get_mmc_dev(struct udevice *dev)
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| {
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| 	struct mmc_uclass_priv *upriv;
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| 
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| 	if (!device_active(dev))
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| 		return NULL;
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| 	upriv = dev_get_uclass_priv(dev);
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| 	return upriv->mmc;
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| }
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| 
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| U_BOOT_DRIVER(mmc) = {
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| 	.name	= "mmc",
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| 	.id	= UCLASS_MMC,
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| };
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| 
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| UCLASS_DRIVER(mmc) = {
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| 	.id		= UCLASS_MMC,
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| 	.name		= "mmc",
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| 	.flags		= DM_UC_FLAG_SEQ_ALIAS,
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| 	.per_device_auto_alloc_size = sizeof(struct mmc_uclass_priv),
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| };
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