| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * init.c: Initialize internal variables used by the PROM |
| * library functions. |
| * |
| * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) |
| */ |
| |
| #include <linux/kernel.h> |
| #include <linux/init.h> |
| |
| #include <asm/openprom.h> |
| #include <asm/oplib.h> |
| |
| struct linux_romvec *romvec; |
| enum prom_major_version prom_vers; |
| unsigned int prom_rev, prom_prev; |
| |
| /* The root node of the prom device tree. */ |
| int prom_root_node; |
| |
| /* Pointer to the device tree operations structure. */ |
| struct linux_nodeops *prom_nodeops; |
| |
| /* You must call prom_init() before you attempt to use any of the |
| * routines in the prom library. |
| * It gets passed the pointer to the PROM vector. |
| */ |
| |
| void __init prom_init(struct linux_romvec *rp) |
| { |
| romvec = rp; |
| |
| /* Initialization successful. */ |
| return; |
| } |