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
|
/*
* The setup file for USB related hardware on PMC-Sierra MSP processors.
*
* Copyright 2006-2007 PMC-Sierra, Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* 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.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/dma-mapping.h>
#include <linux/init.h>
#include <linux/ioport.h>
#include <linux/platform_device.h>
#include <asm/mipsregs.h>
#include <msp_regs.h>
#include <msp_int.h>
#include <msp_prom.h>
#if defined(CONFIG_USB_EHCI_HCD)
static struct resource msp_usbhost_resources [] = {
[0] = {
.start = MSP_USB_BASE_START,
.end = MSP_USB_BASE_END,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = MSP_INT_USB,
.end = MSP_INT_USB,
.flags = IORESOURCE_IRQ,
},
};
static u64 msp_usbhost_dma_mask = DMA_BIT_MASK(32);
static struct platform_device msp_usbhost_device = {
.name = "pmcmsp-ehci",
.id = 0,
.dev = {
.dma_mask = &msp_usbhost_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
.num_resources = ARRAY_SIZE(msp_usbhost_resources),
.resource = msp_usbhost_resources,
};
#endif /* CONFIG_USB_EHCI_HCD */
#if defined(CONFIG_USB_GADGET)
static struct resource msp_usbdev_resources [] = {
[0] = {
.start = MSP_USB_BASE,
.end = MSP_USB_BASE_END,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = MSP_INT_USB,
.end = MSP_INT_USB,
.flags = IORESOURCE_IRQ,
},
};
static u64 msp_usbdev_dma_mask = DMA_BIT_MASK(32);
static struct platform_device msp_usbdev_device = {
.name = "msp71xx_udc",
.id = 0,
.dev = {
.dma_mask = &msp_usbdev_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
.num_resources = ARRAY_SIZE(msp_usbdev_resources),
.resource = msp_usbdev_resources,
};
#endif /* CONFIG_USB_GADGET */
#if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_GADGET)
static struct platform_device *msp_devs[1];
#endif
static int __init msp_usb_setup(void)
{
#if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_GADGET)
char *strp;
char envstr[32];
unsigned int val = 0;
int result = 0;
/*
* construct environment name usbmode
* set usbmode <host/device> as pmon environment var
*/
snprintf((char *)&envstr[0], sizeof(envstr), "usbmode");
#if defined(CONFIG_USB_EHCI_HCD)
/* default to host mode */
val = 1;
#endif
/* get environment string */
strp = prom_getenv((char *)&envstr[0]);
if (strp) {
if (!strcmp(strp, "device"))
val = 0;
}
if (val) {
#if defined(CONFIG_USB_EHCI_HCD)
/* get host mode device */
msp_devs[0] = &msp_usbhost_device;
ppfinit("platform add USB HOST done %s.\n",
msp_devs[0]->name);
result = platform_add_devices(msp_devs, ARRAY_SIZE(msp_devs));
#endif /* CONFIG_USB_EHCI_HCD */
}
#if defined(CONFIG_USB_GADGET)
else {
/* get device mode structure */
msp_devs[0] = &msp_usbdev_device;
ppfinit("platform add USB DEVICE done %s.\n",
msp_devs[0]->name);
result = platform_add_devices(msp_devs, ARRAY_SIZE(msp_devs));
}
#endif /* CONFIG_USB_GADGET */
#endif /* CONFIG_USB_EHCI_HCD || CONFIG_USB_GADGET */
return result;
}
subsys_initcall(msp_usb_setup);
|
