linux/arch/sparc/prom/init_64.c
Andres Salomon 8d1255627d of/sparc: convert various prom_* functions to use phandle
Rather than passing around ints everywhere, use the
phandle type where appropriate for the various functions
that talk to the PROM.

Signed-off-by: Andres Salomon <dilinger@queued.net>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2010-10-09 02:33:34 -06:00

58 lines
1.4 KiB
C

/*
* 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_stdin, 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 returns 0 on success, 1 on
* failure. It gets passed the pointer to the PROM vector.
*/
extern void prom_cif_init(void *, void *);
void __init prom_init(void *cif_handler, void *cif_stack)
{
phandle node;
prom_cif_init(cif_handler, cif_stack);
prom_chosen_node = prom_finddevice(prom_chosen_path);
if (!prom_chosen_node || prom_chosen_node == -1)
prom_halt();
prom_stdin = prom_getint(prom_chosen_node, "stdin");
prom_stdout = prom_getint(prom_chosen_node, "stdout");
node = prom_finddevice("/openprom");
if (!node || 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);
}