| /* |
| * linux/arch/arm/mach-omap2/usb-musb.c |
| * |
| * This file will contain the board specific details for the |
| * MENTOR USB OTG controller on OMAP3430 |
| * |
| * Copyright (C) 2007-2008 Texas Instruments |
| * Copyright (C) 2008 Nokia Corporation |
| * Author: Vikram Pandita |
| * |
| * Generalization by: |
| * Felipe Balbi <felipe.balbi@nokia.com> |
| * |
| * 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/types.h> |
| #include <linux/errno.h> |
| #include <linux/delay.h> |
| #include <linux/platform_device.h> |
| #include <linux/clk.h> |
| #include <linux/dma-mapping.h> |
| #include <linux/io.h> |
| |
| #include <linux/usb/musb.h> |
| |
| #include <mach/hardware.h> |
| #include <mach/irqs.h> |
| #include <plat/mux.h> |
| #include <plat/usb.h> |
| |
| #ifdef CONFIG_USB_MUSB_SOC |
| |
| static struct resource musb_resources[] = { |
| [0] = { /* start and end set dynamically */ |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { /* general IRQ */ |
| .start = INT_243X_HS_USB_MC, |
| .flags = IORESOURCE_IRQ, |
| }, |
| [2] = { /* DMA IRQ */ |
| .start = INT_243X_HS_USB_DMA, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct musb_hdrc_config musb_config = { |
| .multipoint = 1, |
| .dyn_fifo = 1, |
| .num_eps = 16, |
| .ram_bits = 12, |
| }; |
| |
| static struct musb_hdrc_platform_data musb_plat = { |
| #ifdef CONFIG_USB_MUSB_OTG |
| .mode = MUSB_OTG, |
| #elif defined(CONFIG_USB_MUSB_HDRC_HCD) |
| .mode = MUSB_HOST, |
| #elif defined(CONFIG_USB_GADGET_MUSB_HDRC) |
| .mode = MUSB_PERIPHERAL, |
| #endif |
| /* .clock is set dynamically */ |
| .config = &musb_config, |
| |
| /* REVISIT charge pump on TWL4030 can supply up to |
| * 100 mA ... but this value is board-specific, like |
| * "mode", and should be passed to usb_musb_init(). |
| */ |
| .power = 50, /* up to 100 mA */ |
| }; |
| |
| static u64 musb_dmamask = DMA_BIT_MASK(32); |
| |
| static struct platform_device musb_device = { |
| .name = "musb_hdrc", |
| .id = -1, |
| .dev = { |
| .dma_mask = &musb_dmamask, |
| .coherent_dma_mask = DMA_BIT_MASK(32), |
| .platform_data = &musb_plat, |
| }, |
| .num_resources = ARRAY_SIZE(musb_resources), |
| .resource = musb_resources, |
| }; |
| |
| void __init usb_musb_init(struct omap_musb_board_data *board_data) |
| { |
| if (cpu_is_omap243x()) { |
| musb_resources[0].start = OMAP243X_HS_BASE; |
| } else if (cpu_is_omap34xx()) { |
| musb_resources[0].start = OMAP34XX_HSUSB_OTG_BASE; |
| } else if (cpu_is_omap44xx()) { |
| musb_resources[0].start = OMAP44XX_HSUSB_OTG_BASE; |
| musb_resources[1].start = INT_44XX_HS_USB_MC; |
| musb_resources[2].start = INT_44XX_HS_USB_DMA; |
| } |
| musb_resources[0].end = musb_resources[0].start + SZ_4K - 1; |
| |
| /* |
| * REVISIT: This line can be removed once all the platforms using |
| * musb_core.c have been converted to use use clkdev. |
| */ |
| musb_plat.clock = "ick"; |
| musb_plat.board_data = board_data; |
| musb_plat.power = board_data->power >> 1; |
| musb_plat.mode = board_data->mode; |
| |
| if (platform_device_register(&musb_device) < 0) |
| printk(KERN_ERR "Unable to register HS-USB (MUSB) device\n"); |
| } |
| |
| #else |
| void __init usb_musb_init(struct omap_musb_board_data *board_data) |
| { |
| } |
| #endif /* CONFIG_USB_MUSB_SOC */ |