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Diffstat (limited to 'arch/mips/netlogic/xlp/dt.c')
-rw-r--r-- | arch/mips/netlogic/xlp/dt.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/arch/mips/netlogic/xlp/dt.c b/arch/mips/netlogic/xlp/dt.c new file mode 100644 index 000000000..c856f2a3e --- /dev/null +++ b/arch/mips/netlogic/xlp/dt.c | |||
@@ -0,0 +1,95 @@ | |||
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 | |||
44 | extern u32 __dtb_xlp_evp_begin[], __dtb_xlp_svp_begin[], __dtb_xlp_fvp_begin[], | ||
45 | __dtb_xlp_gvp_begin[], __dtb_xlp_rvp_begin[]; | ||
46 | static void *xlp_fdt_blob; | ||
47 | |||
48 | void __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 | |||
87 | void __init xlp_early_init_devtree(void) | ||
88 | { | ||
89 | __dt_setup_arch(xlp_fdt_blob); | ||
90 | } | ||
91 | |||
92 | void __init device_tree_init(void) | ||
93 | { | ||
94 | unflatten_and_copy_device_tree(); | ||
95 | } | ||