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Based on 3 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version [author] [kishon] [vijay] [abraham] [i] [kishon]@[ti] [com] this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version [author] [graeme] [gregory] [gg]@[slimlogic] [co] [uk] [author] [kishon] [vijay] [abraham] [i] [kishon]@[ti] [com] [based] [on] [twl6030]_[usb] [c] [author] [hema] [hk] [hemahk]@[ti] [com] this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 1105 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.202006027@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
90 lines
2.2 KiB
C
90 lines
2.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
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* Copyright (C) 2010 Freescale Semiconductor, Inc.
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*/
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#include <linux/platform_device.h>
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#include <linux/io.h>
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#include <linux/platform_data/usb-ehci-mxc.h>
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#include "ehci.h"
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#include "hardware.h"
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#define USBCTRL_OTGBASE_OFFSET 0x600
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#define MX35_OTG_SIC_SHIFT 29
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#define MX35_OTG_SIC_MASK (0x3 << MX35_OTG_SIC_SHIFT)
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#define MX35_OTG_PM_BIT (1 << 24)
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#define MX35_OTG_PP_BIT (1 << 11)
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#define MX35_OTG_OCPOL_BIT (1 << 3)
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#define MX35_H1_SIC_SHIFT 21
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#define MX35_H1_SIC_MASK (0x3 << MX35_H1_SIC_SHIFT)
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#define MX35_H1_PP_BIT (1 << 18)
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#define MX35_H1_PM_BIT (1 << 16)
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#define MX35_H1_IPPUE_UP_BIT (1 << 7)
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#define MX35_H1_IPPUE_DOWN_BIT (1 << 6)
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#define MX35_H1_TLL_BIT (1 << 5)
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#define MX35_H1_USBTE_BIT (1 << 4)
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#define MX35_H1_OCPOL_BIT (1 << 2)
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int mx35_initialize_usb_hw(int port, unsigned int flags)
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{
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unsigned int v;
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v = readl(MX35_IO_ADDRESS(MX35_USB_BASE_ADDR + USBCTRL_OTGBASE_OFFSET));
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switch (port) {
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case 0: /* OTG port */
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v &= ~(MX35_OTG_SIC_MASK | MX35_OTG_PM_BIT | MX35_OTG_PP_BIT |
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MX35_OTG_OCPOL_BIT);
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v |= (flags & MXC_EHCI_INTERFACE_MASK) << MX35_OTG_SIC_SHIFT;
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if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))
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v |= MX35_OTG_PM_BIT;
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if (flags & MXC_EHCI_PWR_PIN_ACTIVE_HIGH)
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v |= MX35_OTG_PP_BIT;
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if (!(flags & MXC_EHCI_OC_PIN_ACTIVE_LOW))
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v |= MX35_OTG_OCPOL_BIT;
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break;
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case 1: /* H1 port */
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v &= ~(MX35_H1_SIC_MASK | MX35_H1_PM_BIT | MX35_H1_PP_BIT |
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MX35_H1_OCPOL_BIT | MX35_H1_TLL_BIT | MX35_H1_USBTE_BIT |
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MX35_H1_IPPUE_DOWN_BIT | MX35_H1_IPPUE_UP_BIT);
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v |= (flags & MXC_EHCI_INTERFACE_MASK) << MX35_H1_SIC_SHIFT;
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if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))
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v |= MX35_H1_PM_BIT;
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if (flags & MXC_EHCI_PWR_PIN_ACTIVE_HIGH)
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v |= MX35_H1_PP_BIT;
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if (!(flags & MXC_EHCI_OC_PIN_ACTIVE_LOW))
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v |= MX35_H1_OCPOL_BIT;
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if (!(flags & MXC_EHCI_TTL_ENABLED))
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v |= MX35_H1_TLL_BIT;
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if (flags & MXC_EHCI_INTERNAL_PHY)
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v |= MX35_H1_USBTE_BIT;
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if (flags & MXC_EHCI_IPPUE_DOWN)
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v |= MX35_H1_IPPUE_DOWN_BIT;
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if (flags & MXC_EHCI_IPPUE_UP)
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v |= MX35_H1_IPPUE_UP_BIT;
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break;
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default:
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return -EINVAL;
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}
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writel(v, MX35_IO_ADDRESS(MX35_USB_BASE_ADDR + USBCTRL_OTGBASE_OFFSET));
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return 0;
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}
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