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
|
/*
* Copyright (C) 2010 Pengutronix
* Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License version 2 as published by the
* Free Software Foundation.
*/
#include <linux/dma-mapping.h>
#include <mach/hardware.h>
#include <mach/devices-common.h>
#define imx_mxc_ehci_data_entry_single(soc, _id, hs) \
{ \
.id = _id, \
.iobase = soc ## _USB_ ## hs ## _BASE_ADDR, \
.irq = soc ## _INT_USB_ ## hs, \
}
#ifdef CONFIG_SOC_IMX25
const struct imx_mxc_ehci_data imx25_mxc_ehci_otg_data __initconst =
imx_mxc_ehci_data_entry_single(MX25, 0, OTG);
const struct imx_mxc_ehci_data imx25_mxc_ehci_hs_data __initconst =
imx_mxc_ehci_data_entry_single(MX25, 1, HS);
#endif /* ifdef CONFIG_SOC_IMX25 */
#ifdef CONFIG_SOC_IMX27
const struct imx_mxc_ehci_data imx27_mxc_ehci_otg_data __initconst =
imx_mxc_ehci_data_entry_single(MX27, 0, OTG);
const struct imx_mxc_ehci_data imx27_mxc_ehci_hs_data[] __initconst = {
imx_mxc_ehci_data_entry_single(MX27, 1, HS1),
imx_mxc_ehci_data_entry_single(MX27, 2, HS2),
};
#endif /* ifdef CONFIG_SOC_IMX27 */
#ifdef CONFIG_SOC_IMX31
const struct imx_mxc_ehci_data imx31_mxc_ehci_otg_data __initconst =
imx_mxc_ehci_data_entry_single(MX31, 0, OTG);
const struct imx_mxc_ehci_data imx31_mxc_ehci_hs_data[] __initconst = {
imx_mxc_ehci_data_entry_single(MX31, 1, HS1),
imx_mxc_ehci_data_entry_single(MX31, 2, HS2),
};
#endif /* ifdef CONFIG_SOC_IMX31 */
#ifdef CONFIG_SOC_IMX35
const struct imx_mxc_ehci_data imx35_mxc_ehci_otg_data __initconst =
imx_mxc_ehci_data_entry_single(MX35, 0, OTG);
const struct imx_mxc_ehci_data imx35_mxc_ehci_hs_data __initconst =
imx_mxc_ehci_data_entry_single(MX35, 1, HS);
#endif /* ifdef CONFIG_SOC_IMX35 */
#ifdef CONFIG_SOC_IMX6Q
const struct imx_mxc_ehci_data imx6q_mxc_ehci_otg_data __initconst =
imx_mxc_ehci_data_entry_single(MX6Q, 0, OTG);
const struct imx_mxc_ehci_data imx6q_mxc_ehci_hs_data[] __initconst = {
imx_mxc_ehci_data_entry_single(MX6Q, 1, HS1),
imx_mxc_ehci_data_entry_single(MX6Q, 2, HS2),
imx_mxc_ehci_data_entry_single(MX6Q, 3, HS3),
};
const struct imx_mxc_ehci_data imx6sl_mxc_ehci_hs_data[] __initconst = {
imx_mxc_ehci_data_entry_single(MX6SL, 1, HS1),
imx_mxc_ehci_data_entry_single(MX6SL, 2, HS2),
imx_mxc_ehci_data_entry_single(MX6SL, 3, HS3),
};
#endif /* ifdef CONFIG_SOC_IMX6Q */
struct platform_device *__init imx_add_mxc_ehci(
const struct imx_mxc_ehci_data *data,
const struct mxc_usbh_platform_data *pdata)
{
struct resource res[] = {
{
.start = data->iobase,
.end = data->iobase + SZ_512 - 1,
.flags = IORESOURCE_MEM,
}, {
.start = data->irq,
.end = data->irq,
.flags = IORESOURCE_IRQ,
},
};
return imx_add_platform_device_dmamask("mxc-ehci", data->id,
res, ARRAY_SIZE(res),
pdata, sizeof(*pdata), DMA_BIT_MASK(32));
}
EXPORT_SYMBOL(imx_add_mxc_ehci);
/* FSL internal non-upstream code */
struct platform_device *__init imx_add_fsl_ehci(
const struct imx_mxc_ehci_data *data,
const struct fsl_usb2_platform_data *pdata)
{
struct resource res[] = {
{
.start = data->iobase,
.end = data->iobase + SZ_512 - 1,
.flags = IORESOURCE_MEM,
}, {
.start = data->irq,
.end = data->irq,
.flags = IORESOURCE_IRQ,
},
};
int ret = -ENOMEM;
const char *name = "fsl-ehci";
int id = data->id;
unsigned int num_resources = ARRAY_SIZE(res);
size_t size_data = sizeof(*pdata);
u64 dmamask = DMA_BIT_MASK(32);
struct platform_device *pdev;
pdev = platform_device_alloc(name, id);
if (!pdev)
goto err;
if (dmamask) {
/*
* This memory isn't freed when the device is put,
* I don't have a nice idea for that though. Conceptually
* dma_mask in struct device should not be a pointer.
* See http://thread.gmane.org/gmane.linux.kernel.pci/9081
*/
pdev->dev.dma_mask =
kmalloc(sizeof(*pdev->dev.dma_mask), GFP_KERNEL);
if (!pdev->dev.dma_mask)
/* ret is still -ENOMEM; */
goto err;
*pdev->dev.dma_mask = dmamask;
pdev->dev.coherent_dma_mask = dmamask;
}
ret = platform_device_add_resources(pdev, res, num_resources);
if (ret)
goto err;
if (data) {
ret = platform_device_add_data(pdev, pdata, size_data);
if (ret)
goto err;
}
return pdev;
err:
if (dmamask)
kfree(pdev->dev.dma_mask);
platform_device_put(pdev);
return ERR_PTR(ret);
}
EXPORT_SYMBOL(imx_add_fsl_ehci);
|
