1 // SPDX-License-Identifier: GPL-2.0-only
3 * Atheros AR71XX/AR724X/AR913X specific prom routines
10 #include <linux/kernel.h>
11 #include <linux/init.h>
13 #include <linux/string.h>
14 #include <linux/initrd.h>
16 #include <asm/bootinfo.h>
17 #include <asm/addrspace.h>
18 #include <asm/fw/fw.h>
22 void __init prom_init(void)
26 #ifdef CONFIG_BLK_DEV_INITRD
27 /* Read the initrd address from the firmware environment */
28 initrd_start = fw_getenvl("initrd_start");
30 initrd_start = KSEG0ADDR(initrd_start);
31 initrd_end = initrd_start + fw_getenvl("initrd_size");
36 void __init prom_free_prom_memory(void)
38 /* We do not have to prom memory to free */