67 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			67 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
| // SPDX-License-Identifier: GPL-2.0+
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| /*
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|  * Bootdevice for system, used for bootmeths not tied to any partition device
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|  *
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|  * Copyright 2021 Google LLC
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|  * Written by Simon Glass <sjg@chromium.org>
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|  */
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| 
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| #define LOG_CATEGORY UCLASS_BOOTSTD
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| 
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| #include <common.h>
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| #include <bootdev.h>
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| #include <bootflow.h>
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| #include <bootmeth.h>
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| #include <command.h>
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| #include <distro.h>
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| #include <dm.h>
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| #include <log.h>
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| #include <net.h>
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| 
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| static int system_get_bootflow(struct udevice *dev, struct bootflow_iter *iter,
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| 			       struct bootflow *bflow)
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| {
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| 	int ret;
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| 
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| 	/* Must be an bootstd device */
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| 	ret = bootflow_iter_uses_system(iter);
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| 	if (ret)
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| 		return log_msg_ret("net", ret);
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| 
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| 	ret = bootmeth_check(bflow->method, iter);
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| 	if (ret)
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| 		return log_msg_ret("check", ret);
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| 
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| 	ret = bootmeth_read_bootflow(bflow->method, bflow);
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| 	if (ret)
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| 		return log_msg_ret("method", ret);
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| 
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| 	return 0;
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| }
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| 
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| static int system_bootdev_bind(struct udevice *dev)
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| {
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| 	struct bootdev_uc_plat *ucp = dev_get_uclass_plat(dev);
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| 
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| 	ucp->prio = BOOTDEVP_6_SYSTEM;
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| 
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| 	return 0;
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| }
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| 
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| struct bootdev_ops system_bootdev_ops = {
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| 	.get_bootflow	= system_get_bootflow,
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| };
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| 
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| static const struct udevice_id system_bootdev_ids[] = {
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| 	{ .compatible = "u-boot,bootdev-system" },
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| 	{ }
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| };
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| 
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| U_BOOT_DRIVER(system_bootdev) = {
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| 	.name		= "system_bootdev",
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| 	.id		= UCLASS_BOOTDEV,
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| 	.ops		= &system_bootdev_ops,
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| 	.bind		= system_bootdev_bind,
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| 	.of_match	= system_bootdev_ids,
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| };
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