35 lines
		
	
	
		
			817 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			35 lines
		
	
	
		
			817 B
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0-only
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| /*
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|  *  Atheros AR71XX/AR724X/AR913X specific prom routines
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|  *
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|  *  Copyright (C) 2015 Laurent Fasnacht <l@libres.ch>
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|  *  Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
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|  *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
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|  */
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| 
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| #include <linux/kernel.h>
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| #include <linux/init.h>
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| #include <linux/io.h>
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| #include <linux/string.h>
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| #include <linux/initrd.h>
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| 
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| #include <asm/bootinfo.h>
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| #include <asm/addrspace.h>
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| #include <asm/fw/fw.h>
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| 
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| #include "common.h"
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| 
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| void __init prom_init(void)
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| {
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| 	fw_init_cmdline();
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| 
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| #ifdef CONFIG_BLK_DEV_INITRD
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| 	/* Read the initrd address from the firmware environment */
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| 	initrd_start = fw_getenvl("initrd_start");
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| 	if (initrd_start) {
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| 		initrd_start = KSEG0ADDR(initrd_start);
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| 		initrd_end = initrd_start + fw_getenvl("initrd_size");
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| 	}
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| #endif
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| }
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