diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/host/ehci-mxc.c | 86 |
1 files changed, 40 insertions, 46 deletions
diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c index a38bc9c..e21f2c5 100644 --- a/drivers/usb/host/ehci-mxc.c +++ b/drivers/usb/host/ehci-mxc.c @@ -28,14 +28,11 @@ #define USBCTRL_OTGBASE_OFFSET 0x600 -#ifdef CONFIG_MX25 #define MX25_USB_CTRL_IP_PUE_DOWN_BIT (1<<6) #define MX25_USB_CTRL_HSTD_BIT (1<<5) #define MX25_USB_CTRL_USBTE_BIT (1<<4) #define MX25_USB_CTRL_OCPOL_OTG_BIT (1<<3) -#endif -#ifdef CONFIG_MX31 #define MX31_OTG_SIC_SHIFT 29 #define MX31_OTG_SIC_MASK (0x3 << MX31_OTG_SIC_SHIFT) #define MX31_OTG_PM_BIT (1 << 24) @@ -49,59 +46,56 @@ #define MX31_H1_SIC_MASK (0x3 << MX31_H1_SIC_SHIFT) #define MX31_H1_PM_BIT (1 << 8) #define MX31_H1_DT_BIT (1 << 4) -#endif static int mxc_set_usbcontrol(int port, unsigned int flags) { unsigned int v; -#ifdef CONFIG_MX25 +#if defined(CONFIG_MX25) v = MX25_USB_CTRL_IP_PUE_DOWN_BIT | MX25_USB_CTRL_HSTD_BIT | MX25_USB_CTRL_USBTE_BIT | MX25_USB_CTRL_OCPOL_OTG_BIT; -#endif +#elif defined(CONFIG_MX31) + v = readl(IMX_USB_BASE + USBCTRL_OTGBASE_OFFSET); -#ifdef CONFIG_MX31 - v = readl(IMX_USB_BASE + USBCTRL_OTGBASE_OFFSET); - - switch (port) { - case 0: /* OTG port */ - v &= ~(MX31_OTG_SIC_MASK | MX31_OTG_PM_BIT); - v |= (flags & MXC_EHCI_INTERFACE_MASK) - << MX31_OTG_SIC_SHIFT; - if (!(flags & MXC_EHCI_POWER_PINS_ENABLED)) - v |= MX31_OTG_PM_BIT; - - break; - case 1: /* H1 port */ - v &= ~(MX31_H1_SIC_MASK | MX31_H1_PM_BIT | - MX31_H1_DT_BIT); - v |= (flags & MXC_EHCI_INTERFACE_MASK) - << MX31_H1_SIC_SHIFT; - if (!(flags & MXC_EHCI_POWER_PINS_ENABLED)) - v |= MX31_H1_PM_BIT; - - if (!(flags & MXC_EHCI_TTL_ENABLED)) - v |= MX31_H1_DT_BIT; - - break; - case 2: /* H2 port */ - v &= ~(MX31_H2_SIC_MASK | MX31_H2_PM_BIT | - MX31_H2_DT_BIT); - v |= (flags & MXC_EHCI_INTERFACE_MASK) - << MX31_H2_SIC_SHIFT; - if (!(flags & MXC_EHCI_POWER_PINS_ENABLED)) - v |= MX31_H2_PM_BIT; - - if (!(flags & MXC_EHCI_TTL_ENABLED)) - v |= MX31_H2_DT_BIT; - - break; - default: - return -EINVAL; - } -#endif + switch (port) { + case 0: /* OTG port */ + v &= ~(MX31_OTG_SIC_MASK | MX31_OTG_PM_BIT); + v |= (flags & MXC_EHCI_INTERFACE_MASK) << MX31_OTG_SIC_SHIFT; + + if (!(flags & MXC_EHCI_POWER_PINS_ENABLED)) + v |= MX31_OTG_PM_BIT; + + break; + case 1: /* H1 port */ + v &= ~(MX31_H1_SIC_MASK | MX31_H1_PM_BIT | MX31_H1_DT_BIT); + v |= (flags & MXC_EHCI_INTERFACE_MASK) << MX31_H1_SIC_SHIFT; + if (!(flags & MXC_EHCI_POWER_PINS_ENABLED)) + v |= MX31_H1_PM_BIT; + + if (!(flags & MXC_EHCI_TTL_ENABLED)) + v |= MX31_H1_DT_BIT; + + break; + case 2: /* H2 port */ + v &= ~(MX31_H2_SIC_MASK | MX31_H2_PM_BIT | MX31_H2_DT_BIT); + v |= (flags & MXC_EHCI_INTERFACE_MASK) << MX31_H2_SIC_SHIFT; + + if (!(flags & MXC_EHCI_POWER_PINS_ENABLED)) + v |= MX31_H2_PM_BIT; + + if (!(flags & MXC_EHCI_TTL_ENABLED)) + v |= MX31_H2_DT_BIT; + + break; + default: + return -EINVAL; + } +#else +#error MXC EHCI USB driver not supported on this platform +#endif writel(v, IMX_USB_BASE + USBCTRL_OTGBASE_OFFSET); + return 0; } |