projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | |
| 34f32c97 | 50 | .clock = "usb", |
| cece6e5a DB |
51 | .config = &musb_config, |
| 52 | }; | |
| 53 | ||
| 54 | static struct resource usb_resources[] = { | |
| 55 | { | |
| 56 | /* physical address */ | |
| 57 | .start = DAVINCI_USB_OTG_BASE, | |
| 58 | .end = DAVINCI_USB_OTG_BASE + 0x5ff, | |
| 59 | .flags = IORESOURCE_MEM, | |
| 60 | }, | |
| 61 | { | |
| 62 | .start = IRQ_USBINT, | |
| 63 | .flags = IORESOURCE_IRQ, | |
| 64 | }, | |
| 65 | }; | |
| 66 | ||
| 67 | static u64 usb_dmamask = DMA_32BIT_MASK; | |
| 68 | ||
| 69 | static struct platform_device usb_dev = { | |
| 70 | .name = "musb_hdrc", | |
| 71 | .id = -1, | |
| 72 | .dev = { | |
| 73 | .platform_data = &usb_data, | |
| 74 | .dma_mask = &usb_dmamask, | |
| 75 | .coherent_dma_mask = DMA_32BIT_MASK, | |
| 76 | }, | |
| 77 | .resource = usb_resources, | |
| 78 | .num_resources = ARRAY_SIZE(usb_resources), | |
| 79 | }; | |
| 80 | ||
| cece6e5a DB |
81 | void __init setup_usb(unsigned mA, unsigned potpgt_msec) |
| 82 | { | |
| 83 | usb_data.power = mA / 2; | |
| 84 | usb_data.potpgt = potpgt_msec / 2; | |
| 85 | platform_device_register(&usb_dev); | |
| 86 | } | |
| 87 | ||
| 88 | #else | |
| 89 | ||
| 90 | void __init setup_usb(unsigned mA, unsigned potpgt_msec) | |
| 91 | { | |
| 92 | } | |
| 93 | ||
| 94 | #endif /* CONFIG_USB_MUSB_HDRC */ | |
| 95 |