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cece6e5a DB |
1 | /* |
2 | * USB | |
3 | */ | |
4 | #include <linux/kernel.h> | |
5 | #include <linux/module.h> | |
6 | #include <linux/init.h> | |
7 | #include <linux/platform_device.h> | |
8 | #include <linux/dma-mapping.h> | |
9 | ||
10 | #include <linux/usb/musb.h> | |
11 | #include <linux/usb/otg.h> | |
12 | ||
13 | #include <mach/common.h> | |
14 | #include <mach/hardware.h> | |
d0e58ae7 | 15 | #include <mach/irqs.h> |
cece6e5a DB |
16 | |
17 | #if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE) | |
18 | static struct musb_hdrc_eps_bits musb_eps[] = { | |
19 | { "ep1_tx", 8, }, | |
20 | { "ep1_rx", 8, }, | |
21 | { "ep2_tx", 8, }, | |
22 | { "ep2_rx", 8, }, | |
23 | { "ep3_tx", 5, }, | |
24 | { "ep3_rx", 5, }, | |
25 | { "ep4_tx", 5, }, | |
26 | { "ep4_rx", 5, }, | |
27 | }; | |
28 | ||
29 | static struct musb_hdrc_config musb_config = { | |
30 | .multipoint = true, | |
31 | .dyn_fifo = true, | |
32 | .soft_con = true, | |
33 | .dma = true, | |
34 | ||
35 | .num_eps = 5, | |
36 | .dma_channels = 8, | |
37 | .ram_bits = 10, | |
38 | .eps_bits = musb_eps, | |
39 | }; | |
40 | ||
41 | static struct musb_hdrc_platform_data usb_data = { | |
42 | #if defined(CONFIG_USB_MUSB_OTG) | |
43 | /* OTG requires a Mini-AB connector */ | |
44 | .mode = MUSB_OTG, | |
45 | #elif defined(CONFIG_USB_MUSB_PERIPHERAL) | |
46 | .mode = MUSB_PERIPHERAL, | |
47 | #elif defined(CONFIG_USB_MUSB_HOST) | |
48 | .mode = MUSB_HOST, | |
49 | #endif | |
50 | .config = &musb_config, | |
51 | }; | |
52 | ||
53 | static struct resource usb_resources[] = { | |
54 | { | |
55 | /* physical address */ | |
56 | .start = DAVINCI_USB_OTG_BASE, | |
57 | .end = DAVINCI_USB_OTG_BASE + 0x5ff, | |
58 | .flags = IORESOURCE_MEM, | |
59 | }, | |
60 | { | |
61 | .start = IRQ_USBINT, | |
62 | .flags = IORESOURCE_IRQ, | |
63 | }, | |
64 | }; | |
65 | ||
66 | static u64 usb_dmamask = DMA_32BIT_MASK; | |
67 | ||
68 | static struct platform_device usb_dev = { | |
69 | .name = "musb_hdrc", | |
70 | .id = -1, | |
71 | .dev = { | |
72 | .platform_data = &usb_data, | |
73 | .dma_mask = &usb_dmamask, | |
74 | .coherent_dma_mask = DMA_32BIT_MASK, | |
75 | }, | |
76 | .resource = usb_resources, | |
77 | .num_resources = ARRAY_SIZE(usb_resources), | |
78 | }; | |
79 | ||
cece6e5a DB |
80 | void __init setup_usb(unsigned mA, unsigned potpgt_msec) |
81 | { | |
82 | usb_data.power = mA / 2; | |
83 | usb_data.potpgt = potpgt_msec / 2; | |
84 | platform_device_register(&usb_dev); | |
85 | } | |
86 | ||
87 | #else | |
88 | ||
89 | void __init setup_usb(unsigned mA, unsigned potpgt_msec) | |
90 | { | |
91 | } | |
92 | ||
93 | #endif /* CONFIG_USB_MUSB_HDRC */ | |
94 |