2 * Copyright 2003-2013 Broadcom Corporation.
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
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
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
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23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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35 #include <linux/kernel.h>
36 #include <linux/bootmem.h>
38 #include <linux/of_fdt.h>
39 #include <linux/of_platform.h>
40 #include <linux/of_device.h>
42 extern u32 __dtb_xlp_evp_begin
[], __dtb_xlp_svp_begin
[],
43 __dtb_xlp_fvp_begin
[], __dtb_start
[];
45 void __init
*xlp_dt_init(void *fdtp
)
48 switch (current_cpu_data
.processor_id
& 0xff00) {
49 #ifdef CONFIG_DT_XLP_FVP
50 case PRID_IMP_NETLOGIC_XLP2XX
:
51 fdtp
= __dtb_xlp_fvp_begin
;
54 #ifdef CONFIG_DT_XLP_SVP
55 case PRID_IMP_NETLOGIC_XLP3XX
:
56 fdtp
= __dtb_xlp_svp_begin
;
59 #ifdef CONFIG_DT_XLP_EVP
60 case PRID_IMP_NETLOGIC_XLP8XX
:
61 fdtp
= __dtb_xlp_evp_begin
;
65 /* Pick a built-in if any, and hope for the best */
70 initial_boot_params
= fdtp
;
74 void __init
device_tree_init(void)
76 unsigned long base
, size
;
78 if (!initial_boot_params
)
81 base
= virt_to_phys((void *)initial_boot_params
);
82 size
= be32_to_cpu(initial_boot_params
->totalsize
);
84 /* Before we do anything, lets reserve the dt blob */
85 reserve_bootmem(base
, size
, BOOTMEM_DEFAULT
);
87 unflatten_device_tree();
89 /* free the space reserved for the dt blob */
90 free_bootmem(base
, size
);
93 static struct of_device_id __initdata xlp_ids
[] = {
94 { .compatible
= "simple-bus", },
98 int __init
xlp8xx_ds_publish_devices(void)
100 if (!of_have_populated_dt())
102 return of_platform_bus_probe(NULL
, xlp_ids
, NULL
);
105 device_initcall(xlp8xx_ds_publish_devices
);