1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * init.c: Initialize internal variables used by the PROM 4*4882a593Smuzhiyun * library functions. 5*4882a593Smuzhiyun * 6*4882a593Smuzhiyun * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) 7*4882a593Smuzhiyun */ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #include <linux/kernel.h> 10*4882a593Smuzhiyun #include <linux/init.h> 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun #include <asm/openprom.h> 13*4882a593Smuzhiyun #include <asm/oplib.h> 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun struct linux_romvec *romvec; 16*4882a593Smuzhiyun enum prom_major_version prom_vers; 17*4882a593Smuzhiyun unsigned int prom_rev, prom_prev; 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun /* The root node of the prom device tree. */ 20*4882a593Smuzhiyun int prom_root_node; 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun /* Pointer to the device tree operations structure. */ 23*4882a593Smuzhiyun struct linux_nodeops *prom_nodeops; 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun /* You must call prom_init() before you attempt to use any of the 26*4882a593Smuzhiyun * routines in the prom library. 27*4882a593Smuzhiyun * It gets passed the pointer to the PROM vector. 28*4882a593Smuzhiyun */ 29*4882a593Smuzhiyun prom_init(struct linux_romvec * rp)30*4882a593Smuzhiyunvoid __init prom_init(struct linux_romvec *rp) 31*4882a593Smuzhiyun { 32*4882a593Smuzhiyun romvec = rp; 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun /* Initialization successful. */ 35*4882a593Smuzhiyun return; 36*4882a593Smuzhiyun } 37