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| author | wdenk <wdenk> | 2004-03-23 20:18:25 +0000 |
|---|---|---|
| committer | wdenk <wdenk> | 2004-03-23 20:18:25 +0000 |
| commit | efa329cb892c8b9a5e453638b3ca57c94b71e9a2 (patch) | |
| tree | b8c5361b7054e21662e619100c1a7f53e6d8de0a /drivers/usbdcore_omap1510.c | |
| parent | 7d7ce4125f769a21a321c3df972272c5854d54f7 (diff) | |
| download | u-boot-imx-efa329cb892c8b9a5e453638b3ca57c94b71e9a2.zip u-boot-imx-efa329cb892c8b9a5e453638b3ca57c94b71e9a2.tar.gz u-boot-imx-efa329cb892c8b9a5e453638b3ca57c94b71e9a2.tar.bz2 | |
* Add start-up delay to make sure power has stabilized before
attempting to switch on USB on SX1 board.
* Patch by Josef Wagner, 18 Mar 2004:
- Add support for MicroSys XM250 board (PXA255)
- Add support for MicroSys PM828 board (MPC8280)
- Add support for 32 MB Flash on PM825/826
- new SDRAM refresh rate for PM825/PM826
- added support for MicroSys PM520 (MPC5200)
- replaced Query by Identify command in CPU86/flash.c
to support 28F160F3B
* Fix wrap around problem with udelay() on ARM920T
* Add support for Macronix flash on TRAB board
Diffstat (limited to 'drivers/usbdcore_omap1510.c')
| -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 |