mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-30 19:36:44 +07:00
49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
|
/*
|
||
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
||
|
|
* License. See the file "COPYING" in the main directory of this archive
|
||
|
|
* for more details.
|
||
|
|
*
|
||
|
|
* PROM library initialisation code.
|
||
|
|
*
|
||
|
|
* Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
|
||
|
|
*/
|
||
|
|
#include <linux/init.h>
|
||
|
|
#include <linux/kernel.h>
|
||
|
|
|
||
|
|
#include <asm/bootinfo.h>
|
||
|
|
#include <asm/sgialib.h>
|
||
|
|
|
||
|
|
#undef DEBUG_PROM_INIT
|
||
|
|
|
||
|
|
/* Master romvec interface. */
|
||
|
|
struct linux_romvec *romvec;
|
||
|
|
int prom_argc;
|
||
|
|
LONG *_prom_argv, *_prom_envp;
|
||
|
|
|
||
|
|
void __init prom_init(void)
|
||
|
|
{
|
||
|
|
PSYSTEM_PARAMETER_BLOCK pb = PROMBLOCK;
|
||
|
|
romvec = ROMVECTOR;
|
||
|
|
prom_argc = fw_arg0;
|
||
|
|
_prom_argv = (LONG *) fw_arg1;
|
||
|
|
_prom_envp = (LONG *) fw_arg2;
|
||
|
|
|
||
|
|
if (pb->magic != 0x53435241) {
|
||
|
|
prom_printf("Aieee, bad prom vector magic %08lx\n", pb->magic);
|
||
|
|
while(1)
|
||
|
|
;
|
||
|
|
}
|
||
|
|
|
||
|
|
prom_init_cmdline();
|
||
|
|
prom_identify_arch();
|
||
|
|
printk(KERN_INFO "PROMLIB: ARC firmware Version %d Revision %d\n",
|
||
|
|
pb->ver, pb->rev);
|
||
|
|
prom_meminit();
|
||
|
|
|
||
|
|
#ifdef DEBUG_PROM_INIT
|
||
|
|
prom_printf("Press a key to reboot\n");
|
||
|
|
prom_getchar();
|
||
|
|
ArcEnterInteractiveMode();
|
||
|
|
#endif
|
||
|
|
}
|