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| author | Zhang Jiejing <jiejing.zhang@freescale.com> | 2012-04-20 15:38:24 +0800 |
|---|---|---|
| committer | Zhang Jiejing <jiejing.zhang@freescale.com> | 2012-04-24 14:08:32 +0800 |
| commit | 6739ea7dfbd9f1cbc9c50973475fb1acc2467f11 (patch) | |
| tree | e631489015ea4adc453e0532995f2e8c550682c8 /drivers/usb | |
| parent | 074efa5991c67fc70e4e6497b72da522b528005b (diff) | |
| download | u-boot-imx-6739ea7dfbd9f1cbc9c50973475fb1acc2467f11.zip u-boot-imx-6739ea7dfbd9f1cbc9c50973475fb1acc2467f11.tar.gz u-boot-imx-6739ea7dfbd9f1cbc9c50973475fb1acc2467f11.tar.bz2 | |
ENGR00180623 fastboot: add fastboot in MX6Q_SABERSD boards
add fastboot function back in MX6Q_SABERSD board.
the MX6DL_SABERSD have usb init related issue which will
keep RESET, but left as later developement.
Signed-off-by: Zhang Jiejing <jiejing.zhang@freescale.com>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/gadget/imx_udc.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/usb/gadget/imx_udc.c b/drivers/usb/gadget/imx_udc.c index 9f1f492..67011bd 100644 --- a/drivers/usb/gadget/imx_udc.c +++ b/drivers/usb/gadget/imx_udc.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2010-2011 Freescale Semiconductor, Inc. + * Copyright (C) 2010-2012 Freescale Semiconductor, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -78,6 +78,7 @@ typedef struct { typedef struct usb_device_request setup_packet; static int usb_highspeed; +static int usb_inited; static mxc_udc_ctrl mxc_udc; static struct usb_device_instance *udc_device; static struct urb *ep0_urb; @@ -501,6 +502,7 @@ static void usb_udc_init(void) usb_init_eps(); mxc_init_ep_struct(); ep0_setup(); + usb_inited = 1; } void usb_shutdown(void) @@ -929,7 +931,10 @@ void udc_connect(void) void udc_disconnect(void) { - mxc_usb_stop(); + /* imx6 will hang if access usb register without init oh3 + * clock, so not access it if not init. */ + if (usb_inited) + mxc_usb_stop(); } void udc_set_nak(int epid) |