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	Add support for a driver which sets up DRAM and can return information about the amount of RAM available. This is a first step towards moving RAM init to driver model. Signed-off-by: Simon Glass <sjg@chromium.org>
		
			
				
	
	
		
			29 lines
		
	
	
		
			488 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			29 lines
		
	
	
		
			488 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 <ram.h>
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| #include <dm.h>
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| #include <errno.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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| int ram_get_info(struct udevice *dev, struct ram_info *info)
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| {
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| 	struct ram_ops *ops = ram_get_ops(dev);
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| 
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| 	if (!ops->get_info)
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| 		return -ENOSYS;
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| 
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| 	return ops->get_info(dev, info);
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| }
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| 
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| UCLASS_DRIVER(ram) = {
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| 	.id		= UCLASS_RAM,
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| 	.name		= "ram",
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| };
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