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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 * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
8 */
9
10#include <linux/kernel.h>
11#include <linux/init.h>
12#include <linux/string.h>
13#include <linux/ctype.h>
14
15#include <asm/openprom.h>
16#include <asm/oplib.h>
17
18/* OBP version string. */
19char prom_version[80];
20
21/* The root node of the prom device tree. */
22int prom_stdout;
23phandle prom_chosen_node;
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
30extern void prom_cif_init(void *);
31
32void __init prom_init(void *cif_handler)
33{
34 phandle node;
35
36 prom_cif_init(cif_handler);
37
38 prom_chosen_node = prom_finddevice(prom_chosen_path);
39 if (!prom_chosen_node || (s32)prom_chosen_node == -1)
40 prom_halt();
41
42 prom_stdout = prom_getint(prom_chosen_node, "stdout");
43
44 node = prom_finddevice("/openprom");
45 if (!node || (s32)node == -1)
46 prom_halt();
47
48 prom_getstring(node, "version", prom_version, sizeof(prom_version));
49
50 prom_printf("\n");
51}
52
53void __init prom_init_report(void)
54{
55 printk("PROMLIB: Sun IEEE Boot Prom '%s'\n", prom_version);
56 printk("PROMLIB: Root node compatible: %s\n", prom_root_compatible);
57}
1/*
2 * init.c: Initialize internal variables used by the PROM
3 * library functions.
4 *
5 * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
6 * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
7 */
8
9#include <linux/kernel.h>
10#include <linux/init.h>
11#include <linux/string.h>
12#include <linux/ctype.h>
13
14#include <asm/openprom.h>
15#include <asm/oplib.h>
16
17/* OBP version string. */
18char prom_version[80];
19
20/* The root node of the prom device tree. */
21int prom_stdout;
22phandle prom_chosen_node;
23
24/* You must call prom_init() before you attempt to use any of the
25 * routines in the prom library. It returns 0 on success, 1 on
26 * failure. It gets passed the pointer to the PROM vector.
27 */
28
29extern void prom_cif_init(void *, void *);
30
31void __init prom_init(void *cif_handler, void *cif_stack)
32{
33 phandle node;
34
35 prom_cif_init(cif_handler, cif_stack);
36
37 prom_chosen_node = prom_finddevice(prom_chosen_path);
38 if (!prom_chosen_node || (s32)prom_chosen_node == -1)
39 prom_halt();
40
41 prom_stdout = prom_getint(prom_chosen_node, "stdout");
42
43 node = prom_finddevice("/openprom");
44 if (!node || (s32)node == -1)
45 prom_halt();
46
47 prom_getstring(node, "version", prom_version, sizeof(prom_version));
48
49 prom_printf("\n");
50}
51
52void __init prom_init_report(void)
53{
54 printk("PROMLIB: Sun IEEE Boot Prom '%s'\n", prom_version);
55 printk("PROMLIB: Root node compatible: %s\n", prom_root_compatible);
56}