pid: move pidfd_get_pid() to pid.c
[linux-block.git] / arch / mips / kernel / prom.c
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d2912cb1 1// SPDX-License-Identifier: GPL-2.0-only
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2/*
3 * MIPS support for CONFIG_OF device tree support
4 *
5 * Copyright (C) 2010 Cisco Systems Inc. <dediao@cisco.com>
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6 */
7
8#include <linux/init.h>
73bc256d 9#include <linux/export.h>
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10#include <linux/errno.h>
11#include <linux/types.h>
57c8a661 12#include <linux/memblock.h>
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13#include <linux/debugfs.h>
14#include <linux/of.h>
15#include <linux/of_fdt.h>
84988c06 16#include <linux/of_platform.h>
f2ffa5ab 17
01306aea 18#include <asm/bootinfo.h>
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19#include <asm/page.h>
20#include <asm/prom.h>
21
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22static char mips_machine_name[64] = "Unknown";
23
24__init void mips_set_machine_name(const char *name)
25{
26 if (name == NULL)
27 return;
28
41c8366b 29 strlcpy(mips_machine_name, name, sizeof(mips_machine_name));
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30 pr_info("MIPS: machine is %s\n", mips_get_machine_name());
31}
32
33char *mips_get_machine_name(void)
34{
35 return mips_machine_name;
36}
37
d3557d96 38#ifdef CONFIG_USE_OF
73346081 39
0cdde839 40void __init __dt_setup_arch(void *bph)
7d6168e5 41{
f75813c0 42 if (!early_init_dt_scan(bph))
7d6168e5 43 return;
40e91aec 44
97e7f455 45 mips_set_machine_name(of_flat_dt_get_machine_name());
7d6168e5 46}
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47
48int __init __dt_register_buses(const char *bus0, const char *bus1)
49{
50 static struct of_device_id of_ids[3];
51
52 if (!of_have_populated_dt())
53 panic("device tree not present");
54
55 strlcpy(of_ids[0].compatible, bus0, sizeof(of_ids[0].compatible));
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56 if (bus1) {
57 strlcpy(of_ids[1].compatible, bus1,
58 sizeof(of_ids[1].compatible));
59 }
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60
61 if (of_platform_populate(NULL, of_ids, NULL, NULL))
62 panic("failed to populate DT");
63
64 return 0;
65}
66
9169a5d0 67#endif