30 lines
		
	
	
		
			570 B
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			30 lines
		
	
	
		
			570 B
		
	
	
	
		
			C
		
	
	
	
| // SPDX-License-Identifier: GPL-2.0+
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| /*
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|  * Copyright (C) 2017 Andes Technology Corporation
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|  * Rick Chen, Andes Technology Corporation <rick@andestech.com>
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|  */
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| 
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| /* CPU specific code */
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| #include <common.h>
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| #include <cpu_func.h>
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| #include <irq_func.h>
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| #include <asm/cache.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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| 	/* turn off I/D-cache */
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| 	cache_flush();
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| 	icache_disable();
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| 	dcache_disable();
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| 
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| 	return 0;
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| }
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