diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usbdcore_omap1510.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/usbdcore_omap1510.c b/drivers/usbdcore_omap1510.c index 7a90848..1d54a63 100644 --- a/drivers/usbdcore_omap1510.c +++ b/drivers/usbdcore_omap1510.c @@ -40,6 +40,7 @@ #include "usbdcore_ep0.h" +#define UDC_INIT_MDELAY 80 /* Device settle delay */ #define UDC_MAX_ENDPOINTS 31 /* Number of endpoints on this UDC */ /* Some kind of debugging output... */ @@ -1087,6 +1088,11 @@ int udc_init (void) { u16 udc_rev; uchar value; + ulong gpio; + int i; + + /* Let the device settle down before we start */ + for (i = 0; i < UDC_INIT_MDELAY; i++) udelay(1000); udc_device = NULL; @@ -1127,6 +1133,24 @@ int udc_init (void) i2c_read (0x32, 0x03, 1, &value, 1); value |= 0x01; i2c_write (0x32, 0x03, 1, &value, 1); + + gpio = inl(GPIO_PIN_CONTROL_REG); + gpio |= 0x0002; /* A_IRDA_OFF */ + gpio |= 0x0800; /* A_SWITCH */ + gpio |= 0x8000; /* A_USB_ON */ + outl (gpio, GPIO_PIN_CONTROL_REG); + + gpio = inl(GPIO_DIR_CONTROL_REG); + gpio &= ~0x0002; /* A_IRDA_OFF */ + gpio &= ~0x0800; /* A_SWITCH */ + gpio &= ~0x8000; /* A_USB_ON */ + outl (gpio, GPIO_DIR_CONTROL_REG); + + gpio = inl(GPIO_DATA_OUTPUT_REG); + gpio |= 0x0002; /* A_IRDA_OFF */ + gpio &= ~0x0800; /* A_SWITCH */ + gpio &= ~0x8000; /* A_USB_ON */ + outl (gpio, GPIO_DATA_OUTPUT_REG); #endif /* The VBUS_MODE bit selects whether VBUS detection is done via |