Commit | Line | Data |
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d2912cb1 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
f2ffa5ab DD |
2 | /* |
3 | * MIPS support for CONFIG_OF device tree support | |
4 | * | |
5 | * Copyright (C) 2010 Cisco Systems Inc. <dediao@cisco.com> | |
f2ffa5ab DD |
6 | */ |
7 | ||
8 | #include <linux/init.h> | |
73bc256d | 9 | #include <linux/export.h> |
f2ffa5ab DD |
10 | #include <linux/errno.h> |
11 | #include <linux/types.h> | |
57c8a661 | 12 | #include <linux/memblock.h> |
f2ffa5ab DD |
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> |
f2ffa5ab DD |
19 | #include <asm/page.h> |
20 | #include <asm/prom.h> | |
21 | ||
9169a5d0 JC |
22 | static 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)); |
9169a5d0 JC |
30 | pr_info("MIPS: machine is %s\n", mips_get_machine_name()); |
31 | } | |
32 | ||
33 | char *mips_get_machine_name(void) | |
34 | { | |
35 | return mips_machine_name; | |
36 | } | |
37 | ||
d3557d96 | 38 | #ifdef CONFIG_USE_OF |
73346081 | 39 | |
0cdde839 | 40 | void __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 | } |
84988c06 KC |
47 | |
48 | int __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)); | |
9127dc47 KC |
56 | if (bus1) { |
57 | strlcpy(of_ids[1].compatible, bus1, | |
58 | sizeof(of_ids[1].compatible)); | |
59 | } | |
84988c06 KC |
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 |