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The ifdef'ed Linux kernel code uses the 1 based port number, whereas U-Boot
puts a 0 based port number into the register. The reason the 0 based port
number apparently works can probably be taken from the USB 2.0 spec:
8.4.2.2 Start-Split Transaction Token
... The host must correctly set the port field for single and multiple TT
hub implementations. A single TT hub implementation *may ignore* the port
field.
Actually, as far as I understand, a multi TT hub defaults to single TT
(bAlternateSetting: 0) until switched via SetInterface, so even "port 42"
would work.
The change was verified by hardcoding the port number to a wrong value,
SPLIT transactions kept working (although using a DWC2 instead of MUSB).
Tested hubs are the RPi onboard SMC9514 and an external "05e3:0608
Genesys Logic, Inc. USB-2.0 4-Port HUB". The former is a multi TT hub,
the latter single TT only.
Addendum: Tested on sunxi/MUSB by Hans de Goede
Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
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Start split and complete split tokens need the hub address and the
downstream port of the first HS hub (device view).
The core of the function was duplicated in both host/ehci_hcd and
musb-new/usb-compat.h.
Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de>
Reviewed-by: Marek Vasut <marex@denx.de>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
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flush_dcache_range may access data after priv->aligned_buffer end if
len > DWC2_DATA_BUF_SIZE.
memcpy may access data after buffer end if done > 0
Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de>
Acked-by: Marek Vasut <marex@denx.de>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
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This driver is meant to be used with any OHCI-compatible host
controller in case if there's no need for platform-specific
glue such as setup of controller or PHY's power mode via
GPIOs etc.
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: Marek Vasut <marex@denx.de>
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With the old order of initialization the hcor pointer has been setup to
the same address as Exynos EHCI base address (0x12110000 instead of
0x12110010).
Such behaviour was caused by reading value of 0 instead of 0x10 from EHCI
HCCPBASE register without doing proper clock initialization before.
To fix this problem hcor initialization has been moved after USB PHY setup.
Now ehci_readl(&ctx->hcd->cr_capbase) returns correct value.
Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
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The driver is actually for the Designware DWC2 controller.
This patch renames the global s3c_udc.h header to dwc2_udc.h.
The rename is done automatically:
$ sed -i "s/s3c_udc\.h/dwc2_udc.h/g" \
`git grep "s3c_udc\.h" | cut -d : -f 1`
Signed-off-by: Marek Vasut <marex@denx.de>
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The driver is actually for the Designware DWC2 controller.
This patch is the second and final to rename global symbol,
the s3c_udc_probe() function.
The rename is done automatically:
$ sed -i "s/s3c_udc_probe/dwc2_udc_probe/g" \
`git grep s3c_udc_probe | cut -d : -f 1`
Signed-off-by: Marek Vasut <marex@denx.de>
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The driver is actually for the Designware DWC2 controller.
This patch is the first to rename global symbol, the struct
s3c_plat_otg_data.
The rename is done automatically:
$ sed -i "s/s3c_plat_otg_data/dwc2_plat_otg_data/g" \
`git grep s3c_plat_otg_data | cut -d : -f 1`
Signed-off-by: Marek Vasut <marex@denx.de>
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The s3c-otg IP block is in fact a DWC2 OTG one, so finally rename the
config option to make it less misleading. No functional change, just
a mechanical change done using the following script:
git grep USB_GADGET_S3C_UDC_OTG | cut -d : -f 1 | sort -u | \
while read line ; do
sed -i "s/USB_GADGET_S3C_UDC_OTG/USB_GADGET_DWC2_OTG/g" $line ;
done
Signed-off-by: Marek Vasut <marex@denx.de>
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The driver is actually for the Designware DWC2 controller.
Tweak the comments in the driver to reflect this fact.
Signed-off-by: Marek Vasut <marex@denx.de>
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The driver is actually for the Designware DWC2 controller.
This patch renames the remaining S3C_* macros to match the
DWC2 naming.
Signed-off-by: Marek Vasut <marex@denx.de>
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The driver is actually for the Designware DWC2 controller.
This patch renames the local source files to dwc2_*c and
adjusts the Makefile to use the new names.
Signed-off-by: Marek Vasut <marex@denx.de>
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The driver is actually for the Designware DWC2 controller.
This patch renames the local header files to dwc2_*h and
adjusts the sources to use the new names.
Signed-off-by: Marek Vasut <marex@denx.de>
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Just change the driver name.
Signed-off-by: Marek Vasut <marex@denx.de>
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The extern statements are useless, remove them. Also remove the
extern ... controller, which is completely useless.
Signed-off-by: Marek Vasut <marex@denx.de>
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The driver is actually for the Designware DWC2 controller.
This patch renames the remaining local s3c_*() functions
to reflect this.
Signed-off-by: Marek Vasut <marex@denx.de>
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The driver is actually for the Designware DWC2 controller.
This patch renames the s3c_ep_*() functions to reflect this.
The function s3c_udc_probe() is a special case and is not
renamed by this patch yet.
Signed-off-by: Marek Vasut <marex@denx.de>
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The driver is actually for the Designware DWC2 controller.
This patch renames the s3c_ep_*() functions to reflect this.
Signed-off-by: Marek Vasut <marex@denx.de>
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The driver is actually for the Designware DWC2 controller.
This patch renames the s3c_ep0_*() functions to reflect this.
Signed-off-by: Marek Vasut <marex@denx.de>
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Just staticize the functions, they are not used outside of the file.
Signed-off-by: Marek Vasut <marex@denx.de>
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This function is local to s3c_udc_otg_xfer_dma.c , staticize it.
Signed-off-by: Marek Vasut <marex@denx.de>
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The driver is actually for the Designware DWC2 controller.
This patch renames struct s3c_request to reflect this.
Signed-off-by: Marek Vasut <marex@denx.de>
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The driver is actually for the Designware DWC2 controller.
This patch renames struct s3c_ep to reflect this.
Signed-off-by: Marek Vasut <marex@denx.de>
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The driver is actually for the Designware DWC2 controller.
This patch renames struct s3c_dev_*_ep to reflect this.
Signed-off-by: Marek Vasut <marex@denx.de>
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The driver is actually for the Designware DWC2 controller.
This patch renames struct s3c_usbotg_phy to struct dwc2_usbotg_phy
to make things more obvious and clear.
Signed-off-by: Marek Vasut <marex@denx.de>
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Most of the functions are local to the s3c_udc driver, remove them
from the s3c_udc.h header to stop those bits from propagating all
over the place. Instead, move all the private stuff into new private
s3c_udc_otg_priv.h header.
Signed-off-by: Marek Vasut <marex@denx.de>
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The driver is actually for the Designware DWC2 controller.
This patch renames struct s3c_usbotg_reg to struct dwc2_usbotg_reg
to make things more obvious and clear.
Signed-off-by: Marek Vasut <marex@denx.de>
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The driver is actually for the Designware DWC2 controller.
This patch renames struct s3c_udc to struct dwc2_udc to make
things more obvious and clear.
Signed-off-by: Marek Vasut <marex@denx.de>
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Rename the header file, so it's obvious which driver it's part of.
No functional change.
Signed-off-by: Marek Vasut <marex@denx.de>
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This patch removes unsued function usb_phy_reset, rather common function
dwc3_phy_reset is used.
Signed-off-by: Marek Vasut <marex@denx.de>
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This patch removes unsued function usb_phy_reset, rather common function
dwc3_phy_reset is used.
Signed-off-by: Rajesh Bhagat <rajesh.bhagat@freescale.com>
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As per dwc3 databook, delay is required before taking the core out of reset.
This delay is required so that the PHY are stable, and then we can take core
out of reset.
Reference is taken from linux dwc3 code, file: drivers/usb/dwc3/core.c.
Signed-off-by: Sriram Dash <sriram.dash@freescale.com>
Signed-off-by: Rajesh Bhagat <rajesh.bhagat@freescale.com>
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This driver is meant to be used with any EHCI-compatible host
controller in case if there's no need for platform-specific
glue such as setup of controller or PHY's power mode via
GPIOs etc.
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Stephen Warren <swarren@nvidia.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: Marek Vasut <marex@denx.de>
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The DM entry should be unique, otherwise it will collide with other
drivers. Fix this by assigning the driver a more unique name than
usb_ehci.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Ian Campbell <ijc@hellion.org.uk>
Cc: Simon Glass <sjg@chromium.org>
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The driver does "return 0" in function with void type.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
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fix the following build warnings:
drivers/usb/dwc3/core.c: In function ‘dwc3_uboot_init’:
drivers/usb/dwc3/core.c:625:6: warning: ‘dev’ is used uninitialized in this function [-Wuninitialized]
mem = devm_kzalloc(dev, sizeof(*dwc) + DWC3_ALIGN_MASK, GFP_KERNEL);
^
drivers/usb/dwc3/dwc3-omap.c: In function ‘dwc3_omap_uboot_init’:
drivers/usb/dwc3/dwc3-omap.c:380:7: warning: ‘dev’ is used uninitialized in this function [-Wuninitialized]
omap = devm_kzalloc(dev, sizeof(*omap), GFP_KERNEL);
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Fix the following build break:
drivers/usb/host/xhci-omap.c:35:5: error: ‘board_usb_init’ aliased to external symbol ‘__board_usb_init’
int board_usb_init(int index, enum usb_init_type init)
^
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Added USB XHCI driver support for zynqmp.
Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
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This is necessary to distinguish between the "dfu-util --detach" and
the "dfu-util --reset" requests.
The default weak implementation of dfu_usb_get_reset() unconditionally
reboots the device, but we want to be able to continue the boot.scr
execution after writing the kernel, fdt and ramdisk to RAM via DFU.
Signed-off-by: Siarhei Siamashka <siarhei.siamashka@gmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Add a simple USB keyboard driver for sandbox. It provides a function to
'load' it with input data, which it will then stream through to the normal
U-Boot input subsystem. When the input data is exhausted, the keyboard stops
providing data.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Allow USB device emulation to support interrupt URBs so that we can use USB
keyboards with sandbox.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Each scan of the USB bus may return different results. Existing driver-model
devices are reused when found, but if a device no longer exists it will stay
around, de-activated, but bound.
Detect these devices and remove them after the scan completes.
Signed-off-by: Simon Glass <sjg@chromium.org>
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This function should not be used with driver model. While there are users
of USB Ethernet that use driver model for USB but not Ethernet, we have
to keep it around. Add a comment to that effect.
Signed-off-by: Simon Glass <sjg@chromium.org>
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This reverts commit 6cda369509e0d3fa5f9e33c9d71589c4523799fa.
We want to avoid having the USB stack rely on unbind.
Signed-off-by: Simon Glass <sjg@chromium.org>
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This reverts commit 9b510df703d282effba4f56ac567aa8011d56e6b.
We want to avoid having the USB stack rely on unbind.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Each USB device has an emulator. Currently this can only be found by
supplying the 'pipe' value, which contains the device number. Add a way
to find it directly from the emulated device.
Signed-off-by: Simon Glass <sjg@chromium.org>
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To support more advanced testing, support 4 devices instead of 2.
Signed-off-by: Simon Glass <sjg@chromium.org>
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We would like the serial number to come from the device tree node name of
the emulated device. This avoids them all having the same name. Adjust the
code to support this.
Signed-off-by: Simon Glass <sjg@chromium.org>
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The console includes a global variable and several functions that are only
used by a small subset of U-Boot files. Before adding more functions, move
the definitions into their own header file.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Fix below compilation warings happening for hikey_defconfig
drivers/usb/eth/smsc95xx.c:698:56: warning: cast from pointer to integer
of different size [-Wpointer-to-int-cast]
debug("** %s(), len %d, buf %#x\n", __func__, length, (int)msg);
^
include/common.h:109:26: note: in definition of macro ‘debug_cond’
printf(pr_fmt(fmt), ##args); \
^
drivers/usb/eth/smsc95xx.c:698:2: note: in expansion of macro ‘debug’
debug("** %s(), len %d, buf %#x\n", __func__, length, (int)msg);
^
drivers/usb/eth/smsc95xx.c:718:2: warning: format ‘%u’ expects argument of
type ‘unsigned int’, but argument 2 has type ‘long unsigned int’ [-Wformat=]
debug("Tx: len = %u, actual = %u, err = %d\n",
^
drivers/usb/eth/smsc95xx.c: In function ‘smsc95xx_recv’:
drivers/usb/eth/smsc95xx.c:802:19: warning: cast from pointer to integer
of different size [-Wpointer-to-int-cast]
cur_buf_align = (int)buf_ptr - (int)recv_buf;
^
drivers/usb/eth/smsc95xx.c:802:34: warning: cast from pointer to integer
of different size [-Wpointer-to-int-cast]
cur_buf_align = (int)buf_ptr - (int)recv_buf;
Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
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