linux-sg2042/arch/mips/kernel/mips_machine.c

87 lines
1.8 KiB
C

/*
* Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*
*/
#include <linux/mm.h>
#include <linux/string.h>
#include <linux/slab.h>
#include <asm/mips_machine.h>
static struct mips_machine *mips_machine __initdata;
static char *mips_machine_name = "Unknown";
#define for_each_machine(mach) \
for ((mach) = (struct mips_machine *)&__mips_machines_start; \
(mach) && \
(unsigned long)(mach) < (unsigned long)&__mips_machines_end; \
(mach)++)
__init void mips_set_machine_name(const char *name)
{
char *p;
if (name == NULL)
return;
p = kstrdup(name, GFP_KERNEL);
if (!p)
pr_err("MIPS: no memory for machine_name\n");
mips_machine_name = p;
}
char *mips_get_machine_name(void)
{
return mips_machine_name;
}
__init int mips_machtype_setup(char *id)
{
struct mips_machine *mach;
for_each_machine(mach) {
if (mach->mach_id == NULL)
continue;
if (strcmp(mach->mach_id, id) == 0) {
mips_machtype = mach->mach_type;
return 0;
}
}
pr_err("MIPS: no machine found for id '%s', supported machines:\n", id);
pr_err("%-24s %s\n", "id", "name");
for_each_machine(mach)
pr_err("%-24s %s\n", mach->mach_id, mach->mach_name);
return 1;
}
__setup("machtype=", mips_machtype_setup);
__init void mips_machine_setup(void)
{
struct mips_machine *mach;
for_each_machine(mach) {
if (mips_machtype == mach->mach_type) {
mips_machine = mach;
break;
}
}
if (!mips_machine)
return;
mips_set_machine_name(mips_machine->mach_name);
pr_info("MIPS: machine is %s\n", mips_machine_name);
if (mips_machine->mach_setup)
mips_machine->mach_setup();
}