projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 18cb7aca FB |
1 | /* |
| 2 | * linux/arch/arm/mach-omap2/usb-musb.c | |
| 3 | * | |
| 4 | * This file will contain the board specific details for the | |
| 5 | * MENTOR USB OTG controller on OMAP3430 | |
| 6 | * | |
| 7 | * Copyright (C) 2007-2008 Texas Instruments | |
| 8 | * Copyright (C) 2008 Nokia Corporation | |
| 9 | * Author: Vikram Pandita | |
| 10 | * | |
| 11 | * Generalization by: | |
| 12 | * Felipe Balbi <felipe.balbi@nokia.com> | |
| 13 | * | |
| 14 | * This program is free software; you can redistribute it and/or modify | |
| 15 | * it under the terms of the GNU General Public License version 2 as | |
| 16 | * published by the Free Software Foundation. | |
| 17 | */ | |
| 18 | ||
| 19 | #include <linux/types.h> | |
| 20 | #include <linux/errno.h> | |
| 21 | #include <linux/delay.h> | |
| 22 | #include <linux/platform_device.h> | |
| 23 | #include <linux/clk.h> | |
| 24 | #include <linux/dma-mapping.h> | |
| 25 | #include <linux/io.h> | |
| 26 | ||
| 27 | #include <linux/usb/musb.h> | |
| 28 | ||
| 29 | #include <mach/hardware.h> | |
| 30 | #include <mach/irqs.h> | |
| ce491cf8 TL |
31 | #include <plat/mux.h> |
| 32 | #include <plat/usb.h> | |
| 18cb7aca | 33 | |
| 94a3ef6f PDS |
34 | #ifdef CONFIG_USB_MUSB_SOC |
| 35 | ||
| 18cb7aca FB |
36 | static struct resource musb_resources[] = { |
| 37 | [0] = { /* start and end set dynamically */ | |
| 38 | .flags = IORESOURCE_MEM, | |
| 39 | }, | |
| 40 | [1] = { /* general IRQ */ | |
| 41 | .start = INT_243X_HS_USB_MC, | |
| 42 | .flags = IORESOURCE_IRQ, | |
| 43 | }, | |
| 44 | [2] = { /* DMA IRQ */ | |
| 45 | .start = INT_243X_HS_USB_DMA, | |
| 46 | .flags = IORESOURCE_IRQ, | |
| 47 | }, | |
| 48 | }; | |
| 49 | ||
| 18cb7aca FB |
50 | static struct musb_hdrc_config musb_config = { |
| 51 | .multipoint = 1, | |
| 52 | .dyn_fifo = 1, | |
| 18cb7aca | 53 | .num_eps = 16, |
| 18cb7aca | 54 | .ram_bits = 12, |
| 18cb7aca FB |
55 | }; |
| 56 | ||
| 57 | static struct musb_hdrc_platform_data musb_plat = { | |
| 58 | #ifdef CONFIG_USB_MUSB_OTG | |
| 59 | .mode = MUSB_OTG, | |
| 60 | #elif defined(CONFIG_USB_MUSB_HDRC_HCD) | |
| 61 | .mode = MUSB_HOST, | |
| 62 | #elif defined(CONFIG_USB_GADGET_MUSB_HDRC) | |
| 63 | .mode = MUSB_PERIPHERAL, | |
| 64 | #endif | |
| 65 | /* .clock is set dynamically */ | |
| 18cb7aca FB |
66 | .config = &musb_config, |
| 67 | ||
| 68 | /* REVISIT charge pump on TWL4030 can supply up to | |
| 69 | * 100 mA ... but this value is board-specific, like | |
| 70 | * "mode", and should be passed to usb_musb_init(). | |
| 71 | */ | |
| 72 | .power = 50, /* up to 100 mA */ | |
| 73 | }; | |
| 74 | ||
| e930438c | 75 | static u64 musb_dmamask = DMA_BIT_MASK(32); |
| 18cb7aca FB |
76 | |
| 77 | static struct platform_device musb_device = { | |
| 78 | .name = "musb_hdrc", | |
| 79 | .id = -1, | |
| 80 | .dev = { | |
| 81 | .dma_mask = &musb_dmamask, | |
| e930438c | 82 | .coherent_dma_mask = DMA_BIT_MASK(32), |
| 18cb7aca FB |
83 | .platform_data = &musb_plat, |
| 84 | }, | |
| 85 | .num_resources = ARRAY_SIZE(musb_resources), | |
| 86 | .resource = musb_resources, | |
| 87 | }; | |
| 88 | ||
| 884b8369 | 89 | void __init usb_musb_init(struct omap_musb_board_data *board_data) |
| 18cb7aca | 90 | { |
| bce06683 | 91 | if (cpu_is_omap243x()) { |
| 18cb7aca | 92 | musb_resources[0].start = OMAP243X_HS_BASE; |
| bce06683 | 93 | } else if (cpu_is_omap34xx()) { |
| 18cb7aca | 94 | musb_resources[0].start = OMAP34XX_HSUSB_OTG_BASE; |
| bce06683 MM |
95 | } else if (cpu_is_omap44xx()) { |
| 96 | musb_resources[0].start = OMAP44XX_HSUSB_OTG_BASE; | |
| 5772ca7d SS |
97 | musb_resources[1].start = OMAP44XX_IRQ_HS_USB_MC_N; |
| 98 | musb_resources[2].start = OMAP44XX_IRQ_HS_USB_DMA_N; | |
| bce06683 | 99 | } |
| f9828552 | 100 | musb_resources[0].end = musb_resources[0].start + SZ_4K - 1; |
| 18cb7aca FB |
101 | |
| 102 | /* | |
| 103 | * REVISIT: This line can be removed once all the platforms using | |
| 104 | * musb_core.c have been converted to use use clkdev. | |
| 105 | */ | |
| 106 | musb_plat.clock = "ick"; | |
| 884b8369 MM |
107 | musb_plat.board_data = board_data; |
| 108 | musb_plat.power = board_data->power >> 1; | |
| 109 | musb_plat.mode = board_data->mode; | |
| 58815fa3 | 110 | musb_plat.extvbus = board_data->extvbus; |
| 18cb7aca | 111 | |
| bdfa3511 | 112 | if (platform_device_register(&musb_device) < 0) |
| 18cb7aca | 113 | printk(KERN_ERR "Unable to register HS-USB (MUSB) device\n"); |
| 94a3ef6f PDS |
114 | } |
| 115 | ||
| 116 | #else | |
| 884b8369 | 117 | void __init usb_musb_init(struct omap_musb_board_data *board_data) |
| 94a3ef6f | 118 | { |
| 18cb7aca | 119 | } |
| 94a3ef6f | 120 | #endif /* CONFIG_USB_MUSB_SOC */ |