bce0668366
This patch adds support for Mentor USB to 4430 SDP board file. It also defines the base address for HS USB OTG controller in OMAP4. Also updates platform specfic structure with base address and IRQ details. Signed-off-by: Maulik Mankad <x0082077@ti.com> Cc: Tony Lindgren <tony@atomide.com> Cc: Felipe Balbi <felipe.balbi@nokia.com> Cc: David Brownell <david-b@pacbell.net> Cc: Greg Kroah-Hartman <gregkh@suse.de> Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com> Cc: Olof Johansson <olof@lixom.net> Signed-off-by: Tony Lindgren <tony@atomide.com>
119 lines
3 KiB
C
119 lines
3 KiB
C
/*
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* linux/arch/arm/mach-omap2/usb-musb.c
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*
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* This file will contain the board specific details for the
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* MENTOR USB OTG controller on OMAP3430
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*
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* Copyright (C) 2007-2008 Texas Instruments
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* Copyright (C) 2008 Nokia Corporation
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* Author: Vikram Pandita
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*
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* Generalization by:
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* Felipe Balbi <felipe.balbi@nokia.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/types.h>
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#include <linux/errno.h>
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#include <linux/delay.h>
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#include <linux/platform_device.h>
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#include <linux/clk.h>
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#include <linux/dma-mapping.h>
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#include <linux/io.h>
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#include <linux/usb/musb.h>
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#include <mach/hardware.h>
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#include <mach/irqs.h>
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#include <plat/mux.h>
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#include <plat/usb.h>
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#ifdef CONFIG_USB_MUSB_SOC
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static struct resource musb_resources[] = {
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[0] = { /* start and end set dynamically */
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.flags = IORESOURCE_MEM,
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},
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[1] = { /* general IRQ */
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.start = INT_243X_HS_USB_MC,
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.flags = IORESOURCE_IRQ,
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},
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[2] = { /* DMA IRQ */
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.start = INT_243X_HS_USB_DMA,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct musb_hdrc_config musb_config = {
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.multipoint = 1,
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.dyn_fifo = 1,
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.num_eps = 16,
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.ram_bits = 12,
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};
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static struct musb_hdrc_platform_data musb_plat = {
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#ifdef CONFIG_USB_MUSB_OTG
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.mode = MUSB_OTG,
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#elif defined(CONFIG_USB_MUSB_HDRC_HCD)
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.mode = MUSB_HOST,
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#elif defined(CONFIG_USB_GADGET_MUSB_HDRC)
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.mode = MUSB_PERIPHERAL,
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#endif
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/* .clock is set dynamically */
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.config = &musb_config,
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/* REVISIT charge pump on TWL4030 can supply up to
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* 100 mA ... but this value is board-specific, like
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* "mode", and should be passed to usb_musb_init().
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*/
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.power = 50, /* up to 100 mA */
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};
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static u64 musb_dmamask = DMA_BIT_MASK(32);
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static struct platform_device musb_device = {
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.name = "musb_hdrc",
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.id = -1,
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.dev = {
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.dma_mask = &musb_dmamask,
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.coherent_dma_mask = DMA_BIT_MASK(32),
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.platform_data = &musb_plat,
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},
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.num_resources = ARRAY_SIZE(musb_resources),
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.resource = musb_resources,
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};
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void __init usb_musb_init(struct omap_musb_board_data *board_data)
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{
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if (cpu_is_omap243x()) {
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musb_resources[0].start = OMAP243X_HS_BASE;
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} else if (cpu_is_omap34xx()) {
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musb_resources[0].start = OMAP34XX_HSUSB_OTG_BASE;
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} else if (cpu_is_omap44xx()) {
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musb_resources[0].start = OMAP44XX_HSUSB_OTG_BASE;
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musb_resources[1].start = INT_44XX_HS_USB_MC;
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musb_resources[2].start = INT_44XX_HS_USB_DMA;
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}
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musb_resources[0].end = musb_resources[0].start + SZ_4K - 1;
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/*
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* REVISIT: This line can be removed once all the platforms using
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* musb_core.c have been converted to use use clkdev.
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*/
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musb_plat.clock = "ick";
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musb_plat.board_data = board_data;
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musb_plat.power = board_data->power >> 1;
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musb_plat.mode = board_data->mode;
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if (platform_device_register(&musb_device) < 0)
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printk(KERN_ERR "Unable to register HS-USB (MUSB) device\n");
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}
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#else
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void __init usb_musb_init(struct omap_musb_board_data *board_data)
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{
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}
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#endif /* CONFIG_USB_MUSB_SOC */
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