36 lines
		
	
	
		
			709 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			36 lines
		
	
	
		
			709 B
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0+
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| /*
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|  * Copyright (C) 2018, Bin Meng <bmeng.cn@gmail.com>
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|  */
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| 
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| #include <common.h>
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| #include <dm.h>
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| 
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| /*
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|  * cleanup_before_linux() is called just before we call linux
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|  * it prepares the processor for linux
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|  *
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|  * we disable interrupt and caches.
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|  */
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| int cleanup_before_linux(void)
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| {
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| 	disable_interrupts();
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| 
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| 	cache_flush();
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| 
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| 	return 0;
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| }
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| 
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| /* To enumerate devices on the /soc/ node, create a "simple-bus" driver */
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| static const struct udevice_id riscv_virtio_soc_ids[] = {
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| 	{ .compatible = "riscv-virtio-soc" },
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| 	{ }
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| };
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| 
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| U_BOOT_DRIVER(riscv_virtio_soc) = {
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| 	.name = "riscv_virtio_soc",
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| 	.id = UCLASS_SIMPLE_BUS,
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| 	.of_match = riscv_virtio_soc_ids,
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| 	.flags = DM_FLAG_PRE_RELOC,
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| };
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