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
122
123
124
125
126
127
128
129
130
131
132
133
|
/*
* arch/arm/mach-tegra/board-harmony.c
*
* Copyright (C) 2010 Google, Inc.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/serial_8250.h>
#include <linux/clk.h>
#include <linux/dma-mapping.h>
#include <linux/pda_power.h>
#include <linux/io.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <asm/setup.h>
#include <mach/iomap.h>
#include <mach/irqs.h>
#include <mach/sdhci.h>
#include "board.h"
#include "board-harmony.h"
#include "clock.h"
#include "devices.h"
#include "gpio-names.h"
static struct plat_serial8250_port debug_uart_platform_data[] = {
{
.membase = IO_ADDRESS(TEGRA_UARTD_BASE),
.mapbase = TEGRA_UARTD_BASE,
.irq = INT_UARTD,
.flags = UPF_BOOT_AUTOCONF,
.iotype = UPIO_MEM,
.regshift = 2,
.uartclk = 216000000,
}, {
.flags = 0
}
};
static struct platform_device debug_uart = {
.name = "serial8250",
.id = PLAT8250_DEV_PLATFORM,
.dev = {
.platform_data = debug_uart_platform_data,
},
};
static struct platform_device *harmony_devices[] __initdata = {
&debug_uart,
&tegra_sdhci_device1,
&tegra_sdhci_device2,
&tegra_sdhci_device4,
};
static void __init tegra_harmony_fixup(struct machine_desc *desc,
struct tag *tags, char **cmdline, struct meminfo *mi)
{
mi->nr_banks = 2;
mi->bank[0].start = PHYS_OFFSET;
mi->bank[0].size = 448 * SZ_1M;
mi->bank[1].start = SZ_512M;
mi->bank[1].size = SZ_512M;
}
static __initdata struct tegra_clk_init_table harmony_clk_init_table[] = {
/* name parent rate enabled */
{ "uartd", "pll_p", 216000000, true },
{ NULL, NULL, 0, 0},
};
static struct tegra_sdhci_platform_data sdhci_pdata1 = {
.cd_gpio = -1,
.wp_gpio = -1,
.power_gpio = -1,
};
static struct tegra_sdhci_platform_data sdhci_pdata2 = {
.cd_gpio = TEGRA_GPIO_PI5,
.wp_gpio = TEGRA_GPIO_PH1,
.power_gpio = TEGRA_GPIO_PT3,
};
static struct tegra_sdhci_platform_data sdhci_pdata4 = {
.cd_gpio = TEGRA_GPIO_PH2,
.wp_gpio = TEGRA_GPIO_PH3,
.power_gpio = TEGRA_GPIO_PI6,
.is_8bit = 1,
};
static void __init tegra_harmony_init(void)
{
tegra_clk_init_from_table(harmony_clk_init_table);
harmony_pinmux_init();
tegra_sdhci_device1.dev.platform_data = &sdhci_pdata1;
tegra_sdhci_device2.dev.platform_data = &sdhci_pdata2;
tegra_sdhci_device4.dev.platform_data = &sdhci_pdata4;
platform_add_devices(harmony_devices, ARRAY_SIZE(harmony_devices));
}
static const char * tegra_harmony_dt_compat[] = {
"nvidia,harmony",
NULL
};
MACHINE_START(HARMONY, "harmony")
.boot_params = 0x00000100,
.fixup = tegra_harmony_fixup,
.map_io = tegra_map_common_io,
.init_early = tegra_init_early,
.init_irq = tegra_init_irq,
.timer = &tegra_timer,
.init_machine = tegra_harmony_init,
.dt_compat = tegra_harmony_dt_compat,
MACHINE_END
|
