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/memblock.h>
37
38#include <linux/of_fdt.h>
39#include <linux/of_platform.h>
40#include <linux/of_device.h>
41
42#include <asm/prom.h>
43
44extern u32 __dtb_xlp_evp_begin[], __dtb_xlp_svp_begin[], __dtb_xlp_fvp_begin[],
45	__dtb_xlp_gvp_begin[], __dtb_xlp_rvp_begin[];
46static void *xlp_fdt_blob;
47
48void __init *xlp_dt_init(void *fdtp)
49{
50	if (!fdtp) {
51		switch (current_cpu_data.processor_id & PRID_IMP_MASK) {
52#ifdef CONFIG_DT_XLP_RVP
53		case PRID_IMP_NETLOGIC_XLP5XX:
54			fdtp = __dtb_xlp_rvp_begin;
55			break;
56#endif
57#ifdef CONFIG_DT_XLP_GVP
58		case PRID_IMP_NETLOGIC_XLP9XX:
59			fdtp = __dtb_xlp_gvp_begin;
60			break;
61#endif
62#ifdef CONFIG_DT_XLP_FVP
63		case PRID_IMP_NETLOGIC_XLP2XX:
64			fdtp = __dtb_xlp_fvp_begin;
65			break;
66#endif
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	}
83	xlp_fdt_blob = fdtp;
84	return fdtp;
85}
86
87void __init xlp_early_init_devtree(void)
88{
89	__dt_setup_arch(xlp_fdt_blob);
90}
91
92void __init device_tree_init(void)
93{
94	unflatten_and_copy_device_tree();
95}