// SPDX-License-Identifier: GPL-2.0-only
/*
* MIPS support for CONFIG_OF device tree support
*
* Copyright ( C ) 2010 Cisco Systems Inc . < dediao @ cisco . com >
*/
#include <linux/init.h>
#include <linux/export.h>
#include <linux/errno.h>
#include <linux/types.h>
#include <linux/memblock.h>
#include <linux/debugfs.h>
#include <linux/of.h>
#include <linux/of_fdt.h>
#include <linux/of_platform.h>
#include <asm /bootinfo.h>
#include <asm /page.h>
#include <asm /prom.h>
static char mips_machine_name[64 ] = "Unknown" ;
__init void mips_set_machine_name(const char *name)
{
if (name == NULL)
return ;
strscpy(mips_machine_name, name, sizeof (mips_machine_name));
pr_info("MIPS: machine is %s\n" , mips_get_machine_name());
dump_stack_set_arch_desc(name);
}
char *mips_get_machine_name(void )
{
return mips_machine_name;
}
#ifdef CONFIG_USE_OF
void __init __dt_setup_arch(void *bph)
{
if (!early_init_dt_scan(bph, __pa(bph)))
return ;
mips_set_machine_name(of_flat_dt_get_machine_name());
}
int __init __dt_register_buses(const char *bus0, const char *bus1)
{
static struct of_device_id of_ids[3 ];
if (!of_have_populated_dt())
panic("device tree not present" );
strscpy(of_ids[0 ].compatible, bus0, sizeof (of_ids[0 ].compatible));
if (bus1) {
strscpy(of_ids[1 ].compatible, bus1,
sizeof (of_ids[1 ].compatible));
}
if (of_platform_populate(NULL, of_ids, NULL, NULL))
panic("failed to populate DT" );
return 0 ;
}
void __weak __init device_tree_init(void )
{
unflatten_and_copy_device_tree();
}
#endif
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(vorverarbeitet am 2026-09-28)
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