1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* NVIDIA Tegra SoC device tree board support
*
* Copyright (C) 2011, 2013, NVIDIA Corporation
* Copyright (C) 2010 Secret Lab Technologies, Ltd.
* Copyright (C) 2010 Google, Inc.
*/
#include <linux/clk.h>
#include <linux/clk/tegra.h>
#include <linux/dma-mapping.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/irqchip.h>
#include <linux/irqdomain.h>
#include <linux/kernel.h>
#include <linux/of_address.h>
#include <linux/of_fdt.h>
#include <linux/of.h>
#include <linux/of_platform.h>
#include <linux/pda_power.h>
#include <linux/platform_device.h>
#include <linux/serial_8250.h>
#include <linux/slab.h>
#include <linux/sys_soc.h>
#include <linux/usb/tegra_usb_phy.h>
#include <linux/firmware/trusted_foundations.h>
#include <soc/tegra/fuse.h>
#include <soc/tegra/pmc.h>
#include <asm/firmware.h>
#include <asm/hardware/cache-l2x0.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <asm/mach-types.h>
#include <asm/psci.h>
#include <asm/setup.h>
#include "board.h"
#include "common.h"
#include "iomap.h"
#include "pm.h"
#include "reset.h"
#include "sleep.h"
/*
* Storage for debug-macro.S's state.
*
* This must be in .data not .bss so that it gets initialized each time the
* kernel is loaded. The data is declared here rather than debug-macro.S so
* that multiple inclusions of debug-macro.S point at the same data.
*/
u32 tegra_uart_config[3] = {
/* Debug UART initialization required */
1,
/* Debug UART physical address */
0,
/* Debug UART virtual address */
0,
};
static void __init tegra_init_early(void)
{
of_register_trusted_foundations();
tegra_cpu_reset_handler_init();
call_firmware_op(l2x0_init);
}
static void __init tegra_dt_init_irq(void)
{
tegra_init_irq();
irqchip_init();
}
static void __init tegra_dt_init(void)
{
struct device *parent = tegra_soc_device_register();
of_platform_default_populate(NULL, NULL, parent);
}
static void __init tegra_dt_init_late(void)
{
if (IS_ENABLED(CONFIG_ARCH_TEGRA_2x_SOC) &&
of_machine_is_compatible("compal,paz00"))
tegra_paz00_wifikill_init();
if (IS_ENABLED(CONFIG_ARCH_TEGRA_2x_SOC) &&
of_machine_is_compatible("nvidia,tegra20"))
platform_device_register_simple("tegra20-cpufreq", -1, NULL, 0);
if (IS_ENABLED(CONFIG_ARM_TEGRA_CPUIDLE) && !psci_smp_available())
platform_device_register_simple("tegra-cpuidle", -1, NULL, 0);
if (IS_ENABLED(CONFIG_ARCH_TEGRA_3x_SOC) &&
of_machine_is_compatible("nvidia,tegra30"))
platform_device_register_simple("tegra20-cpufreq", -1, NULL, 0);
}
static const char * const tegra_dt_board_compat[] = {
"nvidia,tegra124",
"nvidia,tegra114",
"nvidia,tegra30",
"nvidia,tegra20",
NULL
};
DT_MACHINE_START(TEGRA_DT, "NVIDIA Tegra SoC (Flattened Device Tree)")
.l2c_aux_val = 0x3c400000,
.l2c_aux_mask = 0xc20fc3ff,
.smp = smp_ops(tegra_smp_ops),
.map_io = tegra_map_common_io,
.init_early = tegra_init_early,
.init_irq = tegra_dt_init_irq,
.init_machine = tegra_dt_init,
.init_late = tegra_dt_init_late,
.dt_compat = tegra_dt_board_compat,
MACHINE_END
|
