/arch/arm/mach-msm/board-dt.c

 1/* Copyright (c) 2011-2012, The Linux Foundation. All rights reserved.
 2 *
 3 * This program is free software; you can redistribute it and/or modify
 4 * it under the terms of the GNU General Public License version 2 and
 5 * only version 2 as published by the Free Software Foundation.
 6 *
 7 * This program is distributed in the hope that it will be useful,
 8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
10 * GNU General Public License for more details.
11 */
12
13#include <linux/kernel.h>
14#include <linux/errno.h>
15#include <linux/of.h>
16#include <linux/of_address.h>
17#include <linux/of_platform.h>
18#include <linux/of_fdt.h>
19#include <linux/of_irq.h>
20#include <asm/hardware/gic.h>
21#include <asm/arch_timer.h>
22#include <asm/mach/arch.h>
23#include <asm/mach/time.h>
24#include <mach/socinfo.h>
25#include <mach/board.h>
26
27static void __init msm_dt_timer_init(void)
28{
29	arch_timer_of_register();
30}
31
32static struct sys_timer msm_dt_timer = {
33	.init = msm_dt_timer_init
34};
35
36static void __init msm_dt_init_irq(void)
37{
38	if (machine_is_msm8974())
39		msm_8974_init_irq();
40}
41
42static void __init msm_dt_map_io(void)
43{
44	if (early_machine_is_msm8974())
45		msm_map_8974_io();
46	if (socinfo_init() < 0)
47		pr_err("%s: socinfo_init() failed\n", __func__);
48}
49
50static void __init msm_dt_init(void)
51{
52	struct of_dev_auxdata *adata = NULL;
53
54	if (machine_is_msm8974())
55		msm_8974_init(&adata);
56
57	of_platform_populate(NULL, of_default_bus_match_table, adata, NULL);
58	if (machine_is_msm8974()) {
59		msm_8974_add_devices();
60		msm_8974_add_drivers();
61	}
62}
63
64static const char *msm_dt_match[] __initconst = {
65	"qcom,msm8974",
66	NULL
67};
68
69static void __init msm_dt_reserve(void)
70{
71	if (early_machine_is_msm8974())
72		msm_8974_reserve();
73}
74
75static void __init msm_dt_init_very_early(void)
76{
77	if (early_machine_is_msm8974())
78		msm_8974_very_early();
79}
80
81DT_MACHINE_START(MSM_DT, "Qualcomm MSM (Flattened Device Tree)")
82	.map_io = msm_dt_map_io,
83	.init_irq = msm_dt_init_irq,
84	.init_machine = msm_dt_init,
85	.handle_irq = gic_handle_irq,
86	.timer = &msm_dt_timer,
87	.dt_compat = msm_dt_match,
88	.reserve = msm_dt_reserve,
89	.init_very_early = msm_dt_init_very_early,
90MACHINE_END