| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | /* |
| 3 | * init.c: Initialize internal variables used by the PROM |
| 4 | * library functions. |
| 5 | * |
| 6 | * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) |
| 7 | */ |
| 8 | |
| 9 | #include <linux/kernel.h> |
| 10 | #include <linux/init.h> |
| 11 | |
| 12 | #include <asm/openprom.h> |
| 13 | #include <asm/oplib.h> |
| 14 | |
| 15 | struct linux_romvec *romvec; |
| 16 | enum prom_major_version prom_vers; |
| 17 | unsigned int prom_rev, prom_prev; |
| 18 | |
| 19 | /* The root node of the prom device tree. */ |
| 20 | int prom_root_node; |
| 21 | |
| 22 | /* Pointer to the device tree operations structure. */ |
| 23 | struct linux_nodeops *prom_nodeops; |
| 24 | |
| 25 | /* You must call prom_init() before you attempt to use any of the |
| 26 | * routines in the prom library. |
| 27 | * It gets passed the pointer to the PROM vector. |
| 28 | */ |
| 29 | |
| 30 | void __init prom_init(struct linux_romvec *rp) |
| 31 | { |
| 32 | romvec = rp; |
| 33 | |
| 34 | /* Initialization successful. */ |
| 35 | return; |
| 36 | } |