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
|
/*
* USB
*/
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
#include <linux/usb/musb.h>
#include <mach/common.h>
#include <mach/irqs.h>
#include <mach/cputype.h>
#include <mach/usb.h>
#define DAVINCI_USB_OTG_BASE 0x01c64000
#define DA8XX_USB1_BASE 0x01e25000
#if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE)
static struct musb_hdrc_eps_bits musb_eps[] = {
{ "ep1_tx", 8, },
{ "ep1_rx", 8, },
{ "ep2_tx", 8, },
{ "ep2_rx", 8, },
{ "ep3_tx", 5, },
{ "ep3_rx", 5, },
{ "ep4_tx", 5, },
{ "ep4_rx", 5, },
};
static struct musb_hdrc_config musb_config = {
.multipoint = true,
.dyn_fifo = true,
.soft_con = true,
.dma = true,
.num_eps = 5,
.dma_channels = 8,
.ram_bits = 10,
.eps_bits = musb_eps,
};
static struct musb_hdrc_platform_data usb_data = {
#if defined(CONFIG_USB_MUSB_OTG)
/* OTG requires a Mini-AB connector */
.mode = MUSB_OTG,
#elif defined(CONFIG_USB_MUSB_PERIPHERAL)
.mode = MUSB_PERIPHERAL,
#elif defined(CONFIG_USB_MUSB_HOST)
.mode = MUSB_HOST,
#endif
.clock = "usb",
.config = &musb_config,
};
static struct resource usb_resources[] = {
{
/* physical address */
.start = DAVINCI_USB_OTG_BASE,
.end = DAVINCI_USB_OTG_BASE + 0x5ff,
.flags = IORESOURCE_MEM,
},
{
.start = IRQ_USBINT,
.flags = IORESOURCE_IRQ,
},
{
/* placeholder for the dedicated CPPI IRQ */
.flags = IORESOURCE_IRQ,
},
};
static u64 usb_dmamask = DMA_BIT_MASK(32);
static struct platform_device usb_dev = {
.name = "musb_hdrc",
.id = -1,
.dev = {
.platform_data = &usb_data,
.dma_mask = &usb_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
.resource = usb_resources,
.num_resources = ARRAY_SIZE(usb_resources),
};
void __init setup_usb(unsigned mA, unsigned potpgt_msec)
{
usb_data.power = mA / 2;
usb_data.potpgt = potpgt_msec / 2;
if (cpu_is_davinci_dm646x()) {
/* Override the defaults as DM6467 uses different IRQs. */
usb_dev.resource[1].start = IRQ_DM646X_USBINT;
usb_dev.resource[2].start = IRQ_DM646X_USBDMAINT;
} else /* other devices don't have dedicated CPPI IRQ */
usb_dev.num_resources = 2;
platform_device_register(&usb_dev);
}
#else
void __init setup_usb(unsigned mA, unsigned potpgt_msec)
{
}
#endif /* CONFIG_USB_MUSB_HDRC */
#ifdef CONFIG_ARCH_DAVINCI_DA8XX
static struct resource da8xx_usb11_resources[] = {
[0] = {
.start = DA8XX_USB1_BASE,
.end = DA8XX_USB1_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_DA8XX_IRQN,
.end = IRQ_DA8XX_IRQN,
.flags = IORESOURCE_IRQ,
},
};
static u64 da8xx_usb11_dma_mask = DMA_BIT_MASK(32);
static struct platform_device da8xx_usb11_device = {
.name = "ohci",
.id = 0,
.dev = {
.dma_mask = &da8xx_usb11_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
.num_resources = ARRAY_SIZE(da8xx_usb11_resources),
.resource = da8xx_usb11_resources,
};
int __init da8xx_register_usb11(struct da8xx_ohci_root_hub *pdata)
{
da8xx_usb11_device.dev.platform_data = pdata;
return platform_device_register(&da8xx_usb11_device);
}
#endif /* CONFIG_DAVINCI_DA8XX */
|
