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aceee09d J |
1 | /* |
2 | * Copyright 2003-2013 Broadcom Corporation. | |
3 | * All Rights Reserved. | |
4 | * | |
5 | * This software is available to you under a choice of one of two | |
6 | * licenses. You may choose to be licensed under the terms of the GNU | |
7 | * General Public License (GPL) Version 2, available from the file | |
8 | * COPYING in the main directory of this source tree, or the Broadcom | |
9 | * license below: | |
10 | * | |
11 | * Redistribution and use in source and binary forms, with or without | |
12 | * modification, are permitted provided that the following conditions | |
13 | * are met: | |
14 | * | |
15 | * 1. Redistributions of source code must retain the above copyright | |
16 | * notice, this list of conditions and the following disclaimer. | |
17 | * 2. Redistributions in binary form must reproduce the above copyright | |
18 | * notice, this list of conditions and the following disclaimer in | |
19 | * the documentation and/or other materials provided with the | |
20 | * distribution. | |
21 | * | |
22 | * THIS SOFTWARE IS PROVIDED BY BROADCOM ``AS IS'' AND ANY EXPRESS OR | |
23 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
24 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
25 | * ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM OR CONTRIBUTORS BE LIABLE | |
26 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
27 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
28 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR | |
29 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, | |
30 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE | |
31 | * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN | |
32 | * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
33 | */ | |
34 | ||
35 | #include <linux/kernel.h> | |
36 | #include <linux/bootmem.h> | |
37 | ||
38 | #include <linux/of_fdt.h> | |
39 | #include <linux/of_platform.h> | |
40 | #include <linux/of_device.h> | |
41 | ||
e363bbac J |
42 | #include <asm/prom.h> |
43 | ||
94e37fc2 GR |
44 | extern u32 __dtb_xlp_evp_begin[], __dtb_xlp_svp_begin[], __dtb_xlp_fvp_begin[], |
45 | __dtb_xlp_gvp_begin[], __dtb_xlp_rvp_begin[]; | |
e363bbac | 46 | static void *xlp_fdt_blob; |
aceee09d J |
47 | |
48 | void __init *xlp_dt_init(void *fdtp) | |
49 | { | |
50 | if (!fdtp) { | |
5874743e | 51 | switch (current_cpu_data.processor_id & PRID_IMP_MASK) { |
94e37fc2 GR |
52 | #ifdef CONFIG_DT_XLP_RVP |
53 | case PRID_IMP_NETLOGIC_XLP5XX: | |
54 | fdtp = __dtb_xlp_rvp_begin; | |
55 | break; | |
56 | #endif | |
a17fca64 J |
57 | #ifdef CONFIG_DT_XLP_GVP |
58 | case PRID_IMP_NETLOGIC_XLP9XX: | |
59 | fdtp = __dtb_xlp_gvp_begin; | |
60 | break; | |
61 | #endif | |
1cf0e1be GR |
62 | #ifdef CONFIG_DT_XLP_FVP |
63 | case PRID_IMP_NETLOGIC_XLP2XX: | |
64 | fdtp = __dtb_xlp_fvp_begin; | |
65 | break; | |
66 | #endif | |
aceee09d J |
67 | #ifdef CONFIG_DT_XLP_SVP |
68 | case PRID_IMP_NETLOGIC_XLP3XX: | |
69 | fdtp = __dtb_xlp_svp_begin; | |
70 | break; | |
71 | #endif | |
72 | #ifdef CONFIG_DT_XLP_EVP | |
73 | case PRID_IMP_NETLOGIC_XLP8XX: | |
74 | fdtp = __dtb_xlp_evp_begin; | |
75 | break; | |
76 | #endif | |
77 | default: | |
78 | /* Pick a built-in if any, and hope for the best */ | |
79 | fdtp = __dtb_start; | |
80 | break; | |
81 | } | |
82 | } | |
e363bbac | 83 | xlp_fdt_blob = fdtp; |
aceee09d J |
84 | return fdtp; |
85 | } | |
86 | ||
e363bbac J |
87 | void __init xlp_early_init_devtree(void) |
88 | { | |
89 | __dt_setup_arch(xlp_fdt_blob); | |
e363bbac J |
90 | } |
91 | ||
aceee09d J |
92 | void __init device_tree_init(void) |
93 | { | |
e1b77bae | 94 | unflatten_and_copy_device_tree(); |
aceee09d J |
95 | } |
96 | ||
97 | static struct of_device_id __initdata xlp_ids[] = { | |
98 | { .compatible = "simple-bus", }, | |
99 | {}, | |
100 | }; | |
101 | ||
102 | int __init xlp8xx_ds_publish_devices(void) | |
103 | { | |
104 | if (!of_have_populated_dt()) | |
105 | return 0; | |
106 | return of_platform_bus_probe(NULL, xlp_ids, NULL); | |
107 | } | |
108 | ||
109 | device_initcall(xlp8xx_ds_publish_devices); |