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| author | Nitin Garg <nitin.garg@freescale.com> | 2014-05-27 18:26:54 -0500 |
|---|---|---|
| committer | Nitin Garg <nitin.garg@freescale.com> | 2014-06-13 10:17:01 -0500 |
| commit | e8072eb17fe56a72e000319cd7a9aa42eb4e1cef (patch) | |
| tree | 976aef1264b176f6b35302d8e2c289576029aed7 /drivers/usb | |
| parent | d63fc607061d8b6f0d60055f1d38dae346d93024 (diff) | |
| download | u-boot-imx-e8072eb17fe56a72e000319cd7a9aa42eb4e1cef.zip u-boot-imx-e8072eb17fe56a72e000319cd7a9aa42eb4e1cef.tar.gz u-boot-imx-e8072eb17fe56a72e000319cd7a9aa42eb4e1cef.tar.bz2 | |
ENGR00315499-13 ARM:imx6:EHCI Update OTG support for imx6sl
Set Power polarity in CTRL register to active-high to control
the off-chip power switch.
Update USB base address to support imx6sl.
Signed-off-by: Nitin Garg <nitin.garg@freescale.com>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/host/ehci-mx6.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/usb/host/ehci-mx6.c b/drivers/usb/host/ehci-mx6.c index c0a557b..0db410b 100644 --- a/drivers/usb/host/ehci-mx6.c +++ b/drivers/usb/host/ehci-mx6.c @@ -1,6 +1,6 @@ /* * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de> - * Copyright (C) 2010 Freescale Semiconductor, Inc. + * Copyright (C) 2010-2014 Freescale Semiconductor, Inc. * * SPDX-License-Identifier: GPL-2.0+ */ @@ -45,7 +45,7 @@ #define ANADIG_USB2_PLL_480_CTRL_POWER 0x00001000 #define ANADIG_USB2_PLL_480_CTRL_EN_USB_CLKS 0x00000040 - +#define UCTRL_PM (1 << 9) /* OTG Power Mask */ #define UCTRL_OVER_CUR_POL (1 << 8) /* OTG Polarity of Overcurrent */ #define UCTRL_OVER_CUR_DIS (1 << 7) /* Disable OTG Overcurrent Detection */ @@ -53,6 +53,12 @@ #define UCMD_RUN_STOP (1 << 0) /* controller run/stop */ #define UCMD_RESET (1 << 1) /* controller reset */ +#ifdef CONFIG_MX6SL +#define USB_BASE_ADDR USBO2H_USB_BASE_ADDR +#else +#define USB_BASE_ADDR USBOH3_USB_BASE_ADDR +#endif + static const unsigned phy_bases[] = { USB_PHY0_BASE_ADDR, USB_PHY1_BASE_ADDR, @@ -174,7 +180,7 @@ struct usbnc_regs { static void usb_oc_config(int index) { - struct usbnc_regs *usbnc = (struct usbnc_regs *)(USBOH3_USB_BASE_ADDR + + struct usbnc_regs *usbnc = (struct usbnc_regs *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET); void __iomem *ctrl = (void __iomem *)(&usbnc->ctrl[index]); u32 val; @@ -189,7 +195,7 @@ static void usb_oc_config(int index) __raw_writel(val, ctrl); val = __raw_readl(ctrl); - val |= UCTRL_OVER_CUR_DIS; + val |= (UCTRL_OVER_CUR_DIS | UCTRL_PM); __raw_writel(val, ctrl); } @@ -207,7 +213,7 @@ int ehci_hcd_init(int index, enum usb_init_type init, struct ehci_hccr **hccr, struct ehci_hcor **hcor) { enum usb_init_type type; - struct usb_ehci *ehci = (struct usb_ehci *)(USBOH3_USB_BASE_ADDR + + struct usb_ehci *ehci = (struct usb_ehci *)(USB_BASE_ADDR + (0x200 * index)); if (index > 3) |