diff options
Diffstat (limited to 'arch/arm/mach-imx/ehci-imx5.c')
| -rw-r--r-- | arch/arm/mach-imx/ehci-imx5.c | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/arch/arm/mach-imx/ehci-imx5.c b/arch/arm/mach-imx/ehci-imx5.c deleted file mode 100644 index e49710b10c68..000000000000 --- a/arch/arm/mach-imx/ehci-imx5.c +++ /dev/null @@ -1,171 +0,0 @@ -/* - * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de> - * 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 <linux/platform_device.h> -#include <linux/io.h> -#include <linux/platform_data/usb-ehci-mxc.h> - -#include "hardware.h" - -#define MXC_OTG_OFFSET 0 -#define MXC_H1_OFFSET 0x200 -#define MXC_H2_OFFSET 0x400 - -/* USB_CTRL */ -#define MXC_OTG_UCTRL_OWIE_BIT (1 << 27) /* OTG wakeup intr enable */ -#define MXC_OTG_UCTRL_OPM_BIT (1 << 24) /* OTG power mask */ -#define MXC_H1_UCTRL_H1UIE_BIT (1 << 12) /* Host1 ULPI interrupt enable */ -#define MXC_H1_UCTRL_H1WIE_BIT (1 << 11) /* HOST1 wakeup intr enable */ -#define MXC_H1_UCTRL_H1PM_BIT (1 << 8) /* HOST1 power mask */ - -/* USB_PHY_CTRL_FUNC */ -#define MXC_OTG_PHYCTRL_OC_POL_BIT (1 << 9) /* OTG Polarity of Overcurrent */ -#define MXC_OTG_PHYCTRL_OC_DIS_BIT (1 << 8) /* OTG Disable Overcurrent Event */ -#define MXC_H1_OC_POL_BIT (1 << 6) /* UH1 Polarity of Overcurrent */ -#define MXC_H1_OC_DIS_BIT (1 << 5) /* UH1 Disable Overcurrent Event */ -#define MXC_OTG_PHYCTRL_PWR_POL_BIT (1 << 3) /* OTG Power Pin Polarity */ - -/* USBH2CTRL */ -#define MXC_H2_UCTRL_H2UIE_BIT (1 << 8) -#define MXC_H2_UCTRL_H2WIE_BIT (1 << 7) -#define MXC_H2_UCTRL_H2PM_BIT (1 << 4) - -#define MXC_USBCMD_OFFSET 0x140 - -/* USBCMD */ -#define MXC_UCMD_ITC_NO_THRESHOLD_MASK (~(0xff << 16)) /* Interrupt Threshold Control */ - -int mx51_initialize_usb_hw(int port, unsigned int flags) -{ - unsigned int v; - void __iomem *usb_base; - void __iomem *usbotg_base; - void __iomem *usbother_base; - int ret = 0; - - usb_base = ioremap(MX51_USB_OTG_BASE_ADDR, SZ_4K); - if (!usb_base) { - printk(KERN_ERR "%s(): ioremap failed\n", __func__); - return -ENOMEM; - } - - switch (port) { - case 0: /* OTG port */ - usbotg_base = usb_base + MXC_OTG_OFFSET; - break; - case 1: /* Host 1 port */ - usbotg_base = usb_base + MXC_H1_OFFSET; - break; - case 2: /* Host 2 port */ - usbotg_base = usb_base + MXC_H2_OFFSET; - break; - default: - printk(KERN_ERR"%s no such port %d\n", __func__, port); - ret = -ENOENT; - goto error; - } - usbother_base = usb_base + MX5_USBOTHER_REGS_OFFSET; - - switch (port) { - case 0: /*OTG port */ - if (flags & MXC_EHCI_INTERNAL_PHY) { - v = __raw_readl(usbother_base + MXC_USB_PHY_CTR_FUNC_OFFSET); - - if (flags & MXC_EHCI_OC_PIN_ACTIVE_LOW) - v |= MXC_OTG_PHYCTRL_OC_POL_BIT; - else - v &= ~MXC_OTG_PHYCTRL_OC_POL_BIT; - if (flags & MXC_EHCI_POWER_PINS_ENABLED) { - /* OC/USBPWR is used */ - v &= ~MXC_OTG_PHYCTRL_OC_DIS_BIT; - } else { - /* OC/USBPWR is not used */ - v |= MXC_OTG_PHYCTRL_OC_DIS_BIT; - } - if (flags & MXC_EHCI_PWR_PIN_ACTIVE_HIGH) - v |= MXC_OTG_PHYCTRL_PWR_POL_BIT; - else - v &= ~MXC_OTG_PHYCTRL_PWR_POL_BIT; - __raw_writel(v, usbother_base + MXC_USB_PHY_CTR_FUNC_OFFSET); - - v = __raw_readl(usbother_base + MXC_USBCTRL_OFFSET); - if (flags & MXC_EHCI_WAKEUP_ENABLED) - v |= MXC_OTG_UCTRL_OWIE_BIT;/* OTG wakeup enable */ - else - v &= ~MXC_OTG_UCTRL_OWIE_BIT;/* OTG wakeup disable */ - if (flags & MXC_EHCI_POWER_PINS_ENABLED) - v &= ~MXC_OTG_UCTRL_OPM_BIT; - else - v |= MXC_OTG_UCTRL_OPM_BIT; - __raw_writel(v, usbother_base + MXC_USBCTRL_OFFSET); - } - break; - case 1: /* Host 1 */ - /*Host ULPI */ - v = __raw_readl(usbother_base + MXC_USBCTRL_OFFSET); - if (flags & MXC_EHCI_WAKEUP_ENABLED) { - /* HOST1 wakeup/ULPI intr enable */ - v |= (MXC_H1_UCTRL_H1WIE_BIT | MXC_H1_UCTRL_H1UIE_BIT); - } else { - /* HOST1 wakeup/ULPI intr disable */ - v &= ~(MXC_H1_UCTRL_H1WIE_BIT | MXC_H1_UCTRL_H1UIE_BIT); - } - - if (flags & MXC_EHCI_POWER_PINS_ENABLED) - v &= ~MXC_H1_UCTRL_H1PM_BIT; /* HOST1 power mask unused*/ - else - v |= MXC_H1_UCTRL_H1PM_BIT; /* HOST1 power mask used*/ - __raw_writel(v, usbother_base + MXC_USBCTRL_OFFSET); - - v = __raw_readl(usbother_base + MXC_USB_PHY_CTR_FUNC_OFFSET); - if (flags & MXC_EHCI_OC_PIN_ACTIVE_LOW) - v |= MXC_H1_OC_POL_BIT; - else - v &= ~MXC_H1_OC_POL_BIT; - if (flags & MXC_EHCI_POWER_PINS_ENABLED) - v &= ~MXC_H1_OC_DIS_BIT; /* OC is used */ - else - v |= MXC_H1_OC_DIS_BIT; /* OC is not used */ - __raw_writel(v, usbother_base + MXC_USB_PHY_CTR_FUNC_OFFSET); - - v = __raw_readl(usbotg_base + MXC_USBCMD_OFFSET); - if (flags & MXC_EHCI_ITC_NO_THRESHOLD) - /* Interrupt Threshold Control:Immediate (no threshold) */ - v &= MXC_UCMD_ITC_NO_THRESHOLD_MASK; - __raw_writel(v, usbotg_base + MXC_USBCMD_OFFSET); - break; - case 2: /* Host 2 ULPI */ - v = __raw_readl(usbother_base + MXC_USBH2CTRL_OFFSET); - if (flags & MXC_EHCI_WAKEUP_ENABLED) { - /* HOST1 wakeup/ULPI intr enable */ - v |= (MXC_H2_UCTRL_H2WIE_BIT | MXC_H2_UCTRL_H2UIE_BIT); - } else { - /* HOST1 wakeup/ULPI intr disable */ - v &= ~(MXC_H2_UCTRL_H2WIE_BIT | MXC_H2_UCTRL_H2UIE_BIT); - } - - if (flags & MXC_EHCI_POWER_PINS_ENABLED) - v &= ~MXC_H2_UCTRL_H2PM_BIT; /* HOST2 power mask unused*/ - else - v |= MXC_H2_UCTRL_H2PM_BIT; /* HOST2 power mask used*/ - __raw_writel(v, usbother_base + MXC_USBH2CTRL_OFFSET); - break; - } - -error: - iounmap(usb_base); - return ret; -} - |