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// 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)
* Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/string.h>
#include <linux/ctype.h>
#include <asm/openprom.h>
#include <asm/oplib.h>
/* OBP version string. */
char prom_version[80];
/* The root node of the prom device tree. */
int prom_stdout;
phandle prom_chosen_node;
/* 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.
*/
extern void prom_cif_init(void *);
void __init prom_init(void *cif_handler)
{
phandle node;
prom_cif_init(cif_handler);
prom_chosen_node = prom_finddevice(prom_chosen_path);
if (!prom_chosen_node || (s32)prom_chosen_node == -1)
prom_halt();
prom_stdout = prom_getint(prom_chosen_node, "stdout");
node = prom_finddevice("/openprom");
if (!node || (s32)node == -1)
prom_halt();
prom_getstring(node, "version", prom_version, sizeof(prom_version));
prom_printf("\n");
}
void __init prom_init_report(void)
{
printk("PROMLIB: Sun IEEE Boot Prom '%s'\n", prom_version);
printk("PROMLIB: Root node compatible: %s\n", prom_root_compatible);
}
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