board-msm7x30.c
4.81 KB
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
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
/* Copyright (c) 2009-2010, Code Aurora Forum. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#include <linux/gpio.h>
#include <linux/kernel.h>
#include <linux/irq.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/smsc911x.h>
#include <linux/usb/msm_hsusb.h>
#include <linux/clkdev.h>
#include <linux/memblock.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/memory.h>
#include <asm/setup.h>
#include <mach/clk.h>
#include <mach/msm_iomap.h>
#include <mach/dma.h>
#include <mach/vreg.h>
#include "devices.h"
#include "gpiomux.h"
#include "proc_comm.h"
#include "common.h"
static void __init msm7x30_fixup(struct tag *tag, char **cmdline,
struct meminfo *mi)
{
for (; tag->hdr.size; tag = tag_next(tag))
if (tag->hdr.tag == ATAG_MEM && tag->u.mem.start == 0x200000) {
tag->u.mem.start = 0;
tag->u.mem.size += SZ_2M;
}
}
static void __init msm7x30_reserve(void)
{
memblock_remove(0x0, SZ_2M);
}
static int hsusb_phy_init_seq[] = {
0x30, 0x32, /* Enable and set Pre-Emphasis Depth to 20% */
0x02, 0x36, /* Disable CDR Auto Reset feature */
-1
};
static int hsusb_link_clk_reset(struct clk *link_clk, bool assert)
{
int ret;
if (assert) {
ret = clk_reset(link_clk, CLK_RESET_ASSERT);
if (ret)
pr_err("usb hs_clk assert failed\n");
} else {
ret = clk_reset(link_clk, CLK_RESET_DEASSERT);
if (ret)
pr_err("usb hs_clk deassert failed\n");
}
return ret;
}
static int hsusb_phy_clk_reset(struct clk *phy_clk)
{
int ret;
ret = clk_reset(phy_clk, CLK_RESET_ASSERT);
if (ret) {
pr_err("usb phy clk assert failed\n");
return ret;
}
usleep_range(10000, 12000);
ret = clk_reset(phy_clk, CLK_RESET_DEASSERT);
if (ret)
pr_err("usb phy clk deassert failed\n");
return ret;
}
static struct msm_otg_platform_data msm_otg_pdata = {
.phy_init_seq = hsusb_phy_init_seq,
.mode = USB_PERIPHERAL,
.otg_control = OTG_PHY_CONTROL,
.link_clk_reset = hsusb_link_clk_reset,
.phy_clk_reset = hsusb_phy_clk_reset,
};
struct msm_gpiomux_config msm_gpiomux_configs[GPIOMUX_NGPIOS] = {
#ifdef CONFIG_SERIAL_MSM_CONSOLE
[49] = { /* UART2 RFR */
.suspended = GPIOMUX_DRV_2MA | GPIOMUX_PULL_DOWN |
GPIOMUX_FUNC_2 | GPIOMUX_VALID,
},
[50] = { /* UART2 CTS */
.suspended = GPIOMUX_DRV_2MA | GPIOMUX_PULL_DOWN |
GPIOMUX_FUNC_2 | GPIOMUX_VALID,
},
[51] = { /* UART2 RX */
.suspended = GPIOMUX_DRV_2MA | GPIOMUX_PULL_DOWN |
GPIOMUX_FUNC_2 | GPIOMUX_VALID,
},
[52] = { /* UART2 TX */
.suspended = GPIOMUX_DRV_2MA | GPIOMUX_PULL_DOWN |
GPIOMUX_FUNC_2 | GPIOMUX_VALID,
},
#endif
};
static struct platform_device *devices[] __initdata = {
&msm_clock_7x30,
&msm_device_gpio_7x30,
#if defined(CONFIG_SERIAL_MSM) || defined(CONFIG_MSM_SERIAL_DEBUGGER)
&msm_device_uart2,
#endif
&msm_device_smd,
&msm_device_otg,
&msm_device_hsusb,
&msm_device_hsusb_host,
};
static void __init msm7x30_init_irq(void)
{
msm_init_irq();
}
static void __init msm7x30_init(void)
{
msm_device_otg.dev.platform_data = &msm_otg_pdata;
msm_device_hsusb.dev.parent = &msm_device_otg.dev;
msm_device_hsusb_host.dev.parent = &msm_device_otg.dev;
platform_add_devices(devices, ARRAY_SIZE(devices));
}
static void __init msm7x30_map_io(void)
{
msm_map_msm7x30_io();
}
static void __init msm7x30_init_late(void)
{
smd_debugfs_init();
}
MACHINE_START(MSM7X30_SURF, "QCT MSM7X30 SURF")
.atag_offset = 0x100,
.fixup = msm7x30_fixup,
.reserve = msm7x30_reserve,
.map_io = msm7x30_map_io,
.init_irq = msm7x30_init_irq,
.init_machine = msm7x30_init,
.init_late = msm7x30_init_late,
.init_time = msm7x30_timer_init,
MACHINE_END
MACHINE_START(MSM7X30_FFA, "QCT MSM7X30 FFA")
.atag_offset = 0x100,
.fixup = msm7x30_fixup,
.reserve = msm7x30_reserve,
.map_io = msm7x30_map_io,
.init_irq = msm7x30_init_irq,
.init_machine = msm7x30_init,
.init_late = msm7x30_init_late,
.init_time = msm7x30_timer_init,
MACHINE_END
MACHINE_START(MSM7X30_FLUID, "QCT MSM7X30 FLUID")
.atag_offset = 0x100,
.fixup = msm7x30_fixup,
.reserve = msm7x30_reserve,
.map_io = msm7x30_map_io,
.init_irq = msm7x30_init_irq,
.init_machine = msm7x30_init,
.init_late = msm7x30_init_late,
.init_time = msm7x30_timer_init,
MACHINE_END