diff options
| author | Yunzhi Li <lyz@rock-chips.com> | 2015-06-23 17:42:34 +0800 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2015-07-06 09:39:14 +0200 |
| commit | d8a3ed49a59fdf54ac3f311a75dca3e94b13eb26 (patch) | |
| tree | cdbad35fd7808df95f26a1430144a99dd9e3282e /payloads/libpayload/drivers/udc | |
| parent | 2c2e05ad79f712d33136319bbc5049d3865c0a47 (diff) | |
| download | coreboot-d8a3ed49a59fdf54ac3f311a75dca3e94b13eb26.tar.xz | |
libpayload: udc: dwc2: support force_shutdown() routine
Add force_shutdown() routine for dwc2 udc driver to support
disconnect and reconnect case when fastboot receiving data.
BUG=chrome-os-partner:41687
BRANCH=None
TEST=None
Change-Id: I9ec204d8b7088cfafd3164c9779a6fd85d379dba
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 9238f87c065ba8a57bfb4a7e65fd1821ff2922f9
Original-Change-Id: I1e584aaf19efa14409bdfa26039c27fa7034b5f0
Original-Signed-off-by: Yunzhi Li <lyz@rock-chips.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/281130
Original-Reviewed-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Tested-by: Lin Huang <hl@rock-chips.com>
Original-Commit-Queue: Jeffy Chen <jeffy.chen@rock-chips.com>
Reviewed-on: http://review.coreboot.org/10770
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'payloads/libpayload/drivers/udc')
| -rw-r--r-- | payloads/libpayload/drivers/udc/dwc2.c | 32 |
1 files changed, 20 insertions, 12 deletions
diff --git a/payloads/libpayload/drivers/udc/dwc2.c b/payloads/libpayload/drivers/udc/dwc2.c index 99ee0b323b..ab3684448d 100644 --- a/payloads/libpayload/drivers/udc/dwc2.c +++ b/payloads/libpayload/drivers/udc/dwc2.c @@ -675,12 +675,29 @@ static int dwc2_check_irq(struct usbdev_ctrl *this) return 1; } +static void dwc2_force_shutdown(struct usbdev_ctrl *this) +{ + gusbcfg_t gusbcfg; + dwc2_pdata_t *p = DWC2_PDATA(this); + + /* Disconnect */ + dwc2_connect(this, 0); + + /* Back to normal otg mode */ + gusbcfg.d32 = readl(&p->regs->core.gusbcfg); + gusbcfg.forcehstmode = 0; + gusbcfg.forcedevmode = 0; + writel(gusbcfg.d32, &p->regs->core.gusbcfg); + + free(p); + free(this); +} + static void dwc2_shutdown(struct usbdev_ctrl *this) { dwc2_pdata_t *p = DWC2_PDATA(this); int i, j; int is_empty = 0; - gusbcfg_t gusbcfg; while (!is_empty) { is_empty = 1; @@ -691,17 +708,7 @@ static void dwc2_shutdown(struct usbdev_ctrl *this) is_empty = 0; } - /* Disconnect */ - dwc2_connect(this, 0); - - /* Back to normal otg mode */ - gusbcfg.d32 = readl(&p->regs->core.gusbcfg); - gusbcfg.forcehstmode = 0; - gusbcfg.forcedevmode = 0; - writel(gusbcfg.d32, &p->regs->core.gusbcfg); - - free(p); - free(this); + dwc2_force_shutdown(this); } static void dwc2_set_address(struct usbdev_ctrl *this, int address) @@ -910,6 +917,7 @@ struct usbdev_ctrl *dwc2_udc_init(device_descriptor_t *dd) ctrl->poll = dwc2_check_irq; ctrl->add_gadget = udc_add_gadget; ctrl->enqueue_packet = dwc2_enqueue_packet; + ctrl->force_shutdown = dwc2_force_shutdown; ctrl->shutdown = dwc2_shutdown; ctrl->set_address = dwc2_set_address; ctrl->stall = dwc2_stall; |