From 12dc7eff5921882814181adcb8d7ab10224fa5dd Mon Sep 17 00:00:00 2001 From: Uwe Kleine-König Date: Thu, 17 Mar 2011 09:40:29 +0100 Subject: ARM: imx: move mx3 support to mach-imx MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Fixing a few "please, no space before tabs" and "empty line at end of file" warnings on the way. LAKML-Reference: 1299271882-2130-6-git-send-email-u.kleine-koenig@pengutronix.de Signed-off-by: Uwe Kleine-König Signed-off-by: Sascha Hauer --- arch/arm/mach-imx/ehci-imx35.c | 79 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 arch/arm/mach-imx/ehci-imx35.c (limited to 'arch/arm/mach-imx/ehci-imx35.c') diff --git a/arch/arm/mach-imx/ehci-imx35.c b/arch/arm/mach-imx/ehci-imx35.c new file mode 100644 index 000000000000..001ec3971f5d --- /dev/null +++ b/arch/arm/mach-imx/ehci-imx35.c @@ -0,0 +1,79 @@ +/* + * Copyright (c) 2009 Daniel Mack + * Copyright (C) 2010 Freescale Semiconductor, Inc. + * + * 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. + */ + +#include +#include + +#include +#include + +#define USBCTRL_OTGBASE_OFFSET 0x600 + +#define MX35_OTG_SIC_SHIFT 29 +#define MX35_OTG_SIC_MASK (0x3 << MX35_OTG_SIC_SHIFT) +#define MX35_OTG_PM_BIT (1 << 24) + +#define MX35_H1_SIC_SHIFT 21 +#define MX35_H1_SIC_MASK (0x3 << MX35_H1_SIC_SHIFT) +#define MX35_H1_PM_BIT (1 << 8) +#define MX35_H1_IPPUE_UP_BIT (1 << 7) +#define MX35_H1_IPPUE_DOWN_BIT (1 << 6) +#define MX35_H1_TLL_BIT (1 << 5) +#define MX35_H1_USBTE_BIT (1 << 4) + +int mx35_initialize_usb_hw(int port, unsigned int flags) +{ + unsigned int v; + + v = readl(MX35_IO_ADDRESS(MX35_USB_BASE_ADDR + USBCTRL_OTGBASE_OFFSET)); + + switch (port) { + case 0: /* OTG port */ + v &= ~(MX35_OTG_SIC_MASK | MX35_OTG_PM_BIT); + v |= (flags & MXC_EHCI_INTERFACE_MASK) << MX35_OTG_SIC_SHIFT; + + if (!(flags & MXC_EHCI_POWER_PINS_ENABLED)) + v |= MX35_OTG_PM_BIT; + + break; + case 1: /* H1 port */ + v &= ~(MX35_H1_SIC_MASK | MX35_H1_PM_BIT | MX35_H1_TLL_BIT | + MX35_H1_USBTE_BIT | MX35_H1_IPPUE_DOWN_BIT | MX35_H1_IPPUE_UP_BIT); + v |= (flags & MXC_EHCI_INTERFACE_MASK) << MX35_H1_SIC_SHIFT; + + if (!(flags & MXC_EHCI_POWER_PINS_ENABLED)) + v |= MX35_H1_PM_BIT; + + if (!(flags & MXC_EHCI_TTL_ENABLED)) + v |= MX35_H1_TLL_BIT; + + if (flags & MXC_EHCI_INTERNAL_PHY) + v |= MX35_H1_USBTE_BIT; + + if (flags & MXC_EHCI_IPPUE_DOWN) + v |= MX35_H1_IPPUE_DOWN_BIT; + + if (flags & MXC_EHCI_IPPUE_UP) + v |= MX35_H1_IPPUE_UP_BIT; + + break; + default: + return -EINVAL; + } + + writel(v, MX35_IO_ADDRESS(MX35_USB_BASE_ADDR + USBCTRL_OTGBASE_OFFSET)); + + return 0; +} -- cgit v1.2.3