1 // SPDX-License-Identifier: GPL-2.0-only 1
2 /*
3 * Atheros AR71XX/AR724X/AR913X specific prom
4 *
5 * Copyright (C) 2015 Laurent Fasnacht <l@lib
6 * Copyright (C) 2008-2010 Gabor Juhos <juhos
7 * Copyright (C) 2008 Imre Kaloz <kaloz@openw
8 */
9
10 #include <linux/kernel.h>
11 #include <linux/init.h>
12 #include <linux/io.h>
13 #include <linux/string.h>
14 #include <linux/initrd.h>
15
16 #include <asm/bootinfo.h>
17 #include <asm/addrspace.h>
18 #include <asm/fw/fw.h>
19
20 #include "common.h"
21
22 void __init prom_init(void)
23 {
24 fw_init_cmdline();
25
26 #ifdef CONFIG_BLK_DEV_INITRD
27 /* Read the initrd address from the fi
28 initrd_start = fw_getenvl("initrd_star
29 if (initrd_start) {
30 initrd_start = KSEG0ADDR(initr
31 initrd_end = initrd_start + fw
32 }
33 #endif
34 }
35
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