mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-19 19:28:36 +00:00
10d5ed9a54
A bunch of code was encapsulated in #ifdef's whether or not it is building or for U-Boot. Since this code is always building for U-Boot, this patch removes the dead code. Signed-off-by: Adam Ford <aford173@gmail.com>
131 lines
3 KiB
C
131 lines
3 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2005-2007 by Texas Instruments
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* Some code has been taken from tusb6010.c
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* Copyrights for that are attributable to:
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* Copyright (C) 2006 Nokia Corporation
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* Tony Lindgren <tony@atomide.com>
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*
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* This file is part of the Inventra Controller Driver for Linux.
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*/
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#include <common.h>
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#include <asm/omap_common.h>
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#include <asm/omap_musb.h>
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#include <twl4030.h>
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#include <twl6030.h>
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#include "linux-compat.h"
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#include "musb_core.h"
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#include "omap2430.h"
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static inline void omap2430_low_level_exit(struct musb *musb)
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{
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u32 l;
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/* in any role */
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l = musb_readl(musb->mregs, OTG_FORCESTDBY);
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l |= ENABLEFORCE; /* enable MSTANDBY */
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musb_writel(musb->mregs, OTG_FORCESTDBY, l);
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}
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static inline void omap2430_low_level_init(struct musb *musb)
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{
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u32 l;
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l = musb_readl(musb->mregs, OTG_FORCESTDBY);
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l &= ~ENABLEFORCE; /* disable MSTANDBY */
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musb_writel(musb->mregs, OTG_FORCESTDBY, l);
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}
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static int omap2430_musb_init(struct musb *musb)
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{
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u32 l;
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int status = 0;
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unsigned long int start;
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struct omap_musb_board_data *data =
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(struct omap_musb_board_data *)musb->controller;
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/* Reset the controller */
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musb_writel(musb->mregs, OTG_SYSCONFIG, SOFTRST);
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start = get_timer(0);
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while (1) {
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l = musb_readl(musb->mregs, OTG_SYSCONFIG);
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if ((l & SOFTRST) == 0)
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break;
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if (get_timer(start) > (CONFIG_SYS_HZ / 1000)) {
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dev_err(musb->controller, "MUSB reset is taking too long\n");
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return -ENODEV;
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}
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}
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l = musb_readl(musb->mregs, OTG_INTERFSEL);
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if (data->interface_type == MUSB_INTERFACE_UTMI) {
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/* OMAP4 uses Internal PHY GS70 which uses UTMI interface */
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l &= ~ULPI_12PIN; /* Disable ULPI */
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l |= UTMI_8BIT; /* Enable UTMI */
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} else {
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l |= ULPI_12PIN;
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}
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musb_writel(musb->mregs, OTG_INTERFSEL, l);
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pr_debug("HS USB OTG: revision 0x%x, sysconfig 0x%02x, "
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"sysstatus 0x%x, intrfsel 0x%x, simenable 0x%x\n",
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musb_readl(musb->mregs, OTG_REVISION),
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musb_readl(musb->mregs, OTG_SYSCONFIG),
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musb_readl(musb->mregs, OTG_SYSSTATUS),
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musb_readl(musb->mregs, OTG_INTERFSEL),
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musb_readl(musb->mregs, OTG_SIMENABLE));
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return 0;
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err1:
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return status;
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}
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static int omap2430_musb_enable(struct musb *musb)
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{
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#ifdef CONFIG_TWL4030_USB
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if (twl4030_usb_ulpi_init()) {
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serial_printf("ERROR: %s Could not initialize PHY\n",
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__PRETTY_FUNCTION__);
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}
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#endif
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#ifdef CONFIG_TWL6030_POWER
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twl6030_usb_device_settings();
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#endif
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#ifdef CONFIG_OMAP44XX
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u32 *usbotghs_control = (u32 *)((*ctrl)->control_usbotghs_ctrl);
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*usbotghs_control = USBOTGHS_CONTROL_AVALID |
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USBOTGHS_CONTROL_VBUSVALID | USBOTGHS_CONTROL_IDDIG;
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#endif
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return 0;
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}
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static void omap2430_musb_disable(struct musb *musb)
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{
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}
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static int omap2430_musb_exit(struct musb *musb)
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{
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del_timer_sync(&musb_idle_timer);
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omap2430_low_level_exit(musb);
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return 0;
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}
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const struct musb_platform_ops omap2430_ops = {
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.init = omap2430_musb_init,
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.exit = omap2430_musb_exit,
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.enable = omap2430_musb_enable,
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.disable = omap2430_musb_disable,
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};
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