mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-20 02:34:23 +08:00
ca662ee7b8
The support for 81xx was never working in mainline, and the broken legacy booting support has been removed. There are patches coming to make 81xx boot with device tree, and for that we won't need any of this legacy platform code, so let's just remove it. Cc: Brian Hutchinson <b.hutchman@gmail.com> Reviewed-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
107 lines
2.6 KiB
C
107 lines
2.6 KiB
C
/*
|
|
* 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 "omap_device.h"
|
|
#include "soc.h"
|
|
#include "mux.h"
|
|
#include "usb.h"
|
|
|
|
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 = {
|
|
.mode = MUSB_OTG,
|
|
|
|
/* .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 omap_musb_board_data musb_default_board_data = {
|
|
.interface_type = MUSB_INTERFACE_ULPI,
|
|
.mode = MUSB_OTG,
|
|
.power = 100,
|
|
};
|
|
|
|
void __init usb_musb_init(struct omap_musb_board_data *musb_board_data)
|
|
{
|
|
struct omap_hwmod *oh;
|
|
struct platform_device *pdev;
|
|
struct device *dev;
|
|
int bus_id = -1;
|
|
const char *oh_name, *name;
|
|
struct omap_musb_board_data *board_data;
|
|
|
|
if (musb_board_data)
|
|
board_data = musb_board_data;
|
|
else
|
|
board_data = &musb_default_board_data;
|
|
|
|
/*
|
|
* 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;
|
|
musb_plat.extvbus = board_data->extvbus;
|
|
|
|
oh_name = "usb_otg_hs";
|
|
name = "musb-omap2430";
|
|
|
|
oh = omap_hwmod_lookup(oh_name);
|
|
if (WARN(!oh, "%s: could not find omap_hwmod for %s\n",
|
|
__func__, oh_name))
|
|
return;
|
|
|
|
pdev = omap_device_build(name, bus_id, oh, &musb_plat,
|
|
sizeof(musb_plat));
|
|
if (IS_ERR(pdev)) {
|
|
pr_err("Could not build omap_device for %s %s\n",
|
|
name, oh_name);
|
|
return;
|
|
}
|
|
|
|
dev = &pdev->dev;
|
|
get_device(dev);
|
|
dev->dma_mask = &musb_dmamask;
|
|
dev->coherent_dma_mask = musb_dmamask;
|
|
put_device(dev);
|
|
}
|