This is a port of the dwc3-of-simple driver from Linux to enable/deassert
clock and resets of a simple DWC3 Controller HW glue.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
In order that we can use eth_env_* even when CONFIG_NET isn't set, move
these functions to environment code from net code.
This fixes failures such as:
board/ti/am335x/built-in.o: In function `board_late_init':
board/ti/am335x/board.c:752: undefined reference to `eth_env_set_enetaddr'
u-boot/board/ti/am335x/board.c:766: undefined reference to `eth_env_set_enetaddr'
which caters for use cases such as:
commit f411b5cca4 ("board: am335x: Always set eth/eth1addr environment
variable")
when Ethernet is required in Linux, but not U-Boot.
Signed-off-by: Alex Kiernan <alex.kiernan@gmail.com>
In order to compile the USB Ethernet gadget support we require that NET
is enabled, add that dependency here.
Signed-off-by: Alex Kiernan <alex.kiernan@gmail.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Assigning f_rkusb->reboot_flag twice doesn't make sense.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
The lan75xx and lan78xx drivers need to drive their phy via the generic
phylib framework. Let's reflect that dependency in Kconfig, so that we
don't get build errors when phylib does not get selected.
Signed-off-by: Alexander Graf <agraf@suse.de>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
This patch increases timeout to 2s.
It was seen on 2 USB devices (Verbatim STORE N GO 070B4AED0FB22358 and
USB DISK 2.0 9000729BA41DDF40) that the request sense command takes
between 1.3s and and 1.5s.
Signed-off-by: Christophe Kerello <christophe.kerello@st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
This patch adds an interface to disable the power in dwc2 driver.
This new interface is called when the device is removed.
Signed-off-by: Christophe Kerello <christophe.kerello@st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Factorize PHY get/init/poweron and PHY poweroff/exit operations
into separate function, it simplify the error path.
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Add generic_phy_power_on() and generic_phy_power_off()
calls to switch ON/OFF phy during probe and remove functions.
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Factorize PHY get/init/poweron and PHY poweroff/exit operations
into separate function, it simplify the error path.
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
ppc4xx support was removed some time ago. Lets remove the now unused
EHCI driver and all its references for this platform as well.
Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Heinrich Schuchardt <xypron.glpk@gmx.de>
Cc: Marek Vasut <marex@denx.de>
DWC3 USB3 controllers will need USB3 PHY to be enabled, in addition to
USB2 PHY, to be functional. Therefore enable USB3 PHY when available.
Signed-off-by: Vignesh R <vigneshr@ti.com>
Refractor PHY get/init/poweron and PHY poweroff/exit operations into
separate function so that its easy to support multiple PHYs.
Signed-off-by: Vignesh R <vigneshr@ti.com>
It is wrong that expect .phy_init() to also power on the PHY. Therefore,
explicitly, call generic_phy_power_on() after generic_phy_power_init() in
order to power on PHY before using it.
Signed-off-by: Vignesh R <vigneshr@ti.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
If we use hardware with very small RAM (let's consider just a couple
of hundreds of kB but not megabytes) it is not super convenient to lose
64kB for statically allocated bufer which most probably won't be used
as big as it is. Typically we'll have much shorter data packages to
excahnge and in the worst case longer packets will be split on separate
transactions.
For those corner-cases user will be able to set his buffer size of
choice via USB_DWC2_BUFFER_SIZE option in menuconfig.
By default we'll use 64 kB as it was hard-coeded before so existing
users shouldn't be affected at all.
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Marek Vasut <marex@denx.de>
Thomas reported U-Boot failed to build host tools if libfdt-devel
package is installed because tools include libfdt headers from
/usr/include/ instead of using internal ones.
This commit moves the header code:
include/libfdt.h -> include/linux/libfdt.h
include/libfdt_env.h -> include/linux/libfdt_env.h
and replaces include directives:
#include <libfdt.h> -> #include <linux/libfdt.h>
#include <libfdt_env.h> -> #include <linux/libfdt_env.h>
Reported-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Do the following to make the symbol names less confusing.
sed -i "s/\([TU][^_]\+\)_FUNCTION_DFU/DFU_OVER_\1/g" \
`git grep _FUNCTION_DFU | cut -d ":" -f 1 | sort -u`
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Lukasz Majewski <lukma@denx.de>
If SYS_STDIO_DEREGISTER is not selected and USB_KEYBOARD is selected
U-Boot cannot be built due to missing function stdio_deregister_dev.
So USB_KEYBOARD should select SYS_STDIO_DEREGISTER.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
The SDP protocol contains multiple 32bit pointers. Add a helper function
to get a valid pointer from these values and use it.
This fixes the following warnings:
drivers/usb/gadget/f_sdp.c: In function ‘sdp_rx_data_complete’:
drivers/usb/gadget/f_sdp.c:347:10: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
memcpy((void *)sdp->dnl_address, req->buf + 1, datalen);
^
drivers/usb/gadget/f_sdp.c: In function ‘sdp_jump_imxheader’:
drivers/usb/gadget/f_sdp.c:625:10: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
entry = (void *)headerv2->entry;
^
drivers/usb/gadget/f_sdp.c: In function ‘sdp_handle_in_ep’:
drivers/usb/gadget/f_sdp.c:668:20: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
memcpy(&data[1], (void *)sdp_func->dnl_address, datalen);
^
drivers/usb/gadget/f_sdp.c:679:31: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
status = sdp_jump_imxheader((void *)sdp_func->jmp_address);
^
Signed-off-by: Andre Heider <a.heider@gmail.com>
board_usb_init()/_cleanup() should be in board files and don't have
a place in the xhci-omap driver. Weak versions for
board_usb_init()/_cleanup() already exist in common/usb.c
(for host mode) and drivers/usb/gadget/g_dnl.c (for gadget mode).
Therefore, remove init and cleanup functions from xhci-omap and
implement them in the board files.
Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
For some reason from day one we used to have both CONFIG_DWC2_UTMI_WIDTH
mentioned in dwc2.h and in scripts/config_whitelist.txt but never really used
and CONFIG_DWC2_UTMI_PHY_WIDTH used in real code in dwc2.c (but never
defined).
Moreover even though CONFIG_DWC2_UTMI_WIDTH might be either 8 or 16
depending on hardware (and the same is said in a comment for it in
dwc2.h) but then 8 is hardcoded in the header leaving no ability to
override this value in board's configuration.
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Marek Vasut <marex@denx.de>
'default' on a choice refers to the symbol selected by default, not to
the choice mode, so 'default n' is meaningless.
No functional changes. Optional choices implicitly default to n mode
(and there is no way to make them default to another mode).
Discovered in Kconfiglib (https://github.com/ulfalizer/Kconfiglib),
which prints the following warning:
warning: the default selection n (undefined) of <choice> (defined at drivers/usb/ulpi/Kconfig:3) is not contained in the choice
I've added a corresponding warning to the C tools too, which is
currently in linux-next: https://patchwork.kernel.org/patch/9983667/
Signed-off-by: Ulf Magnusson <ulfalizer@gmail.com>
In most places in the code we cast this to an unsigned long, but in one
place we cast to an unsigned int. For consistency and to fix a warning
on 64bit targets, always cast this to unsigned long. For the long term
we should however change the declaration of dma_buf.
Cc: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Acked-by: Lukasz Majewski <lukma@denx.de>
Acked-by: Marek Vasut <marex@denx.de>
Signed-off-by: Tom Rini <trini@konsulko.com>
The variable hcd_name is unsued, drop.
Cc: Marek Vasut <marex@denx.de>
Cc: Chris Brandt <chris.brandt@renesas.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
ehci_writel() swaps the arguments for address and value. One call
in ehci-mxs ignores that.
This fixes the warning:
drivers/usb/host/ehci-mxs.c: In function ?ehci_hcd_stop?:
drivers/usb/host/ehci-mxs.c:159:19: error: initialization makes integer from pointer without a cast [-Werror=int-conversion]
ehci_writel(tmp, &hcor->or_usbcmd);
^
arch/arm/include/asm/io.h:117:34: note: in definition of macro ?writel?
#define writel(v,c) ({ u32 __v = v; __iowmb(); __arch_putl(__v,c); __v; })
^
drivers/usb/host/ehci-mxs.c:159:2: note: in expansion of macro ?ehci_writel?
^~~~~~~~~~~
Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Bool initializations should use true and false.
This issue was detected with the help of Coccinelle.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Cc: Bin Meng <bmeng.cn@gmail.com>
Cc: Marek Vasut <marex@denx.de>
wait_for_bit callers use the 32 bit LE version
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Reviewed-by: Jagan Teki <jagan@openedev.com>
This converts the following to Kconfig:
CONFIG_USB_MUSB_HCD
CONFIG_USB_MUSB_UDC
CONFIG_USB_DAVINCI
CONFIG_USB_OMAP3
CONFIG_USB_DA8XX
CONFIG_USB_AM35X
Signed-off-by: Adam Ford <aford173@gmail.com>
This converts the following to Kconfig:
CONFIG_USB_MUSB_OMAP2PLUS
CONFIG_USB_MUSB_AM35X
CONFIG_USB_MUSB_DSPS
CONFIG_USB_MUSB_PIO_ONLY
Signed-off-by: Adam Ford <aford173@gmail.com>
this patch implement rockusb protocol on the device side. this is based on
USB download gadget infrastructure. the rockusb function implements the rd,
wl, rid commands. it can work with rkdeveloptool
Signed-off-by: Eddie Cai <eddie.cai.linux@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Now that the musb sunxi glue driver is completely device model / device
tree driven, we should use the base address from the device tree,
instead of hard-coding it in the source code.
Fixes: 3a61b080ac ("musb: sunxi: switch to the device model")
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
When enable CONFIG_HAS_FSL_DR_USB, we might encounter below compile
warning, apply this patch can fix it:
drivers/usb/host/ehci-fsl.c:109:4: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
((u32)hccr + HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
^
drivers/usb/host/ehci-fsl.c:108:9: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
hcor = (struct ehci_hcor *)
^
drivers/usb/host/ehci-fsl.c:115:8: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
(u32)hccr, (u32)hcor,
^
include/log.h:131:26: note: in definition of macro 'debug_cond'
printf(pr_fmt(fmt), ##args); \
^~~~
drivers/usb/host/ehci-fsl.c:114:2: note: in expansion of macro 'debug'
debug("ehci-fsl: init hccr %x and hcor %x hc_length %d\n",
^~~~~
drivers/usb/host/ehci-fsl.c:115:19: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
(u32)hccr, (u32)hcor,
^
include/log.h:131:26: note: in definition of macro 'debug_cond'
printf(pr_fmt(fmt), ##args); \
^~~~
drivers/usb/host/ehci-fsl.c:114:2: note: in expansion of macro 'debug'
debug("ehci-fsl: init hccr %x and hcor %x hc_length %d\n",
^~~~~
Signed-off-by: Ran Wang <ran.wang_1@nxp.com>
Check LS1043A/LS2080a by device ID without using personality ID to
determine revision number. This check applies to all various
personalities of the same SoC family.
Signed-off-by: Wenbin Song <wenbin.song@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
While the USB HW in the RZ/A is basically the same, there are some
differences from the original versions that were in the SH SoCs.
Signed-off-by: Chris Brandt <chris.brandt@renesas.com>
This prevents board resets when calling sdp command on boards which have a watchdog.
Signed-off-by: Vincent Prince <vincent.prince.fr@gmail.com>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
Reviewed-by: Stefan Agner <stefan.agner@toradex.com>
Increase the buffer length to be just above maximum permissible value
of 128 kiB . This increases the performance of the UMS and alike by a
factor of 2 - 2.5 as the buffers are less fragmented.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Lukasz Majewski <lukma@denx.de>
Its a valid use case to call ehci_submit_async() with a NULL buffer
with length 0. E.g. from usb_set_configuration().
As invalidate_dcache_range() isn't able to judge if the address
NULL is valid or not (depending on the SoC hardware configuration it
might be valid) do the check in ehci_submit_async() as here we know
that we don't have to invalidate such a buffer.
Signed-off-by: Dirk Behme <dirk.behme@de.bosch.com>
Currently we check in ehci_shutdown() if ctrl is NULL after
dereferencing it.
Before this we have already dereferenced ctrl, ctrl->hccr,
and ctrl->hcor in ehci_get_portsc_register(), ehci_submit_root(),
and hci_common_init().
A better approach is to already check ctrl, ctrl->hccr, and ctrl->hcor
during the initialization in ehci_register() and usb_lowlevel_init()
and signal an error here via the return code.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Add firmware V3, firmware loader and XHCI glue for the Renesas R-Car
Gen3 SoCs XHCI controller. Thus far only the R-Car Gen3 R8A7795 ES2.0+
and R8A7796 are supported.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Cc: Bin Meng <bmeng.cn@gmail.com>
Commit 9000eddbae ("drivers/usb/ehci: Use platform-specific accessors")
broke USB 2.0 on big-endian platforms because for them writel/readl()
does automatic conversion of BE data to LE.
Proper implementation requires to use "raw" variant of these accessors
which read/write data without messing with endianess.
While at it replace cpu_to_be32() to be32_to_cpu() in readl() to
keep sane semantics.
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Marek Vasut <marex@denx.de>
Reported-by: Vladimir Boroda <boroda@yahoo.com>
This makes the initial changes need to support the
a38x series of SOCs. It adds the device-tree identifier
as well as changing the board_support function to take
the IO address designated by device-tree.
Signed-off-by: Jon Nettleton <jon@solid-run.com>
[baruch: use fdt_addr_t; update 37xx and 8K implementations]
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Stefan Roese <sr@denx.de>
use Kconfig to select xhci accordingly.
Signed-off-by: Ran Wang <ran.wang_1@nxp.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: York Sun <york.sun@nxp.com>
Including <common.h> pulls in a lot of bloat. What this driver needs
is BIT(), so replace it with <linux/bitops.h>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Marek Vasut <marex@denx.de>
Collect runtime BUG/WARN into a self-contained header <linux/bug.h>
to make these macros easier to use.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
U-Boot widely uses error() as a bit noisier variant of printf().
This macro causes name conflict with the following line in
include/linux/compiler-gcc.h:
# define __compiletime_error(message) __attribute__((error(message)))
This prevents us from using __compiletime_error(), and makes it
difficult to fully sync BUILD_BUG macros with Linux. (Notice
Linux's BUILD_BUG_ON_MSG is implemented by using compiletime_assert().)
Let's convert error() into now treewide-available pr_err().
Done with the help of Coccinelle, excluing tools/ directory.
The semantic patch I used is as follows:
// <smpl>
@@@@
-error
+pr_err
(...)
// </smpl>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
[trini: Re-run Coccinelle]
Signed-off-by: Tom Rini <trini@konsulko.com>
When we import code from Linux, with regular re-sync planned, we want
to use printk() and pr_*(). U-Boot does not support them in a clean
way. So, people end up with local macros, or compat headers here and
there, then we occasionally see build errors of definition conflicts.
We have include/linux/compat.h, but putting all sorts of unrelated
things into a single header is just a temporal workaround. Hence this
patch, to find the best home for all printk variants. If you want to
use printk() and friends, please include <linux/printk.h>. This header
is self-contained, and pulls in only a few headers.
When I was testing this clean-up, I noticed the image size exceeded
its platform limit on some boards. This is because all pr_*() that
were previously defined as no-op in include/linux/mtd/mtd.h (unless
CONFIG_MTD_DEBUG is set), are now enabled.
To make such boards happy, this commit also implements CONFIG_LOGLEVEL.
The concept is similar to the kernel parameter "loglevel". (Actually,
the Kconfig help message was taken from kernel-paremeter.txt of Linux)
Messages with a loglevel smaller than console loglevel will be printed.
The difference is the loglevel is build-time determined. To save the
image size, lower priority pr_*() are compiled out. I set the default
of CONFIG_LOGLEVEL to 6, i.e. pr_notice and higher priority messages
are compiled in.
I adjusted CONFIG_LOGLEVEL to avoid build error for some boards.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
[trini: Add in SPL_LOGLEVEL that is the same as LOGLEVEL]
Signed-off-by: Tom Rini <trini@konsulko.com>
Since we use EHCI generic driver on RCar Gen3 , this driver is useless.
Remove it.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Acked-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
USB_GADGET will fail to compile if USB_MUSB_GADGET is not defined. Make
sure we have that condition right.
Fixes: e0ea88042d51 ("sunxi: Imply USB_ETHER")
Suggested-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
The device model was implemented so far using a hook that needed to be
called from the board support, without DT support and only for the host.
Switch to probing both in peripheral and host mode through the DT.
Reviewed-by: Łukasz Majewski <lukma@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
All the Allwinner boards use the same manufacturer, VID and PID for the
gadgets. Make them the defaults to remove some boilerplate from our
defconfigs.
Reviewed-by: Łukasz Majewski <lukma@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
The usb_ether gadget duplicates the USB settings for the manufacturer,
product ID and vendor ID.
Make sure we use the common option so that we can expect a single VID/PID
couple for a single device.
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
The g_dnl USB settings for the vendor ID, product ID and manufacturer are
actually common settings that can and should be shared by all the gadgets.
Make them common by renaming them, and convert all the users.
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
We need to select an interface for the usb_ether gadget, and they haven't
been converted to Kconfig yet. Add a choice to make sure we have an option
selected, and convert all the users.
Reviewed-by: Łukasz Majewski <lukma@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
The USB Ethernet gadget option has not yet been moved to Kconfig, let's
deal with that.
Reviewed-by: Łukasz Majewski <lukma@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
While the USB Ethernet device address is already defined in Kconfig, the
host address isn't. Convert it.
Reviewed-by: Łukasz Majewski <lukma@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Add an help about the USBNET_DEVADDR Kconfig option to make it clearer what
it's about.
Acked-by: Łukasz Majewski <lukma@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
The USBNET_DEVADDR has nothing to do with the USB download gadget, but
rather with the USB Ethernet gadget. Move it out of the if statement.
Acked-by: Łukasz Majewski <lukma@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Add UniPhier platform specific glue layer to support USB3 Host mode
on Synopsys DWC3 IP.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Marek Vasut <marex@denx.de>
The 'Max Burst Size' indicates to the xHC the maximum number of
consecutive USB transactions that should be executed per scheduling
opportunity. This is a “zero-based” value, where 0 to 15 represents
burst sizes of 1 to 16, but at present this is always set to zero.
Let's program the required value according to real needs.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
USB endpoint reports the period between consecutive requests to send
or receive data as bInverval in its endpoint descriptor. So far this
is ignored by xHCI driver and the 'Interval' field in xHC's endpoint
context is always programmed to zero which means 1ms for low speed
or full speed , or 125us for high speed or super speed. We should
honor the interval by getting it from endpoint descriptor.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
In xhci_check_maxpacket(), the control endpoint 0 max packet size
is wrongly taken from the interface's endpoint descriptor. However
the default endpoint 0 does not come with an endpoint descriptor
hence is not included in the interface structure. Change to use
epmaxpacketin[0] instead.
The other bug in this routine is that when setting max packet size
to the xHC endpoint 0 context, it does not clear its previous value
at all before programming a new one.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
xHCI uses normal TRBs for both bulk and interrupt. This adds the
missing interrupt transfer support to xHCI so that devices like
USB keyboard that uses interrupt transfer can work.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
At present xHCI driver assumes LS/FS devices are attached directly
to a HS hub. If they are connected to a LS/FS hub, the driver will
fail to perform the USB enumeration process on such devices.
This is fixed by looking from the device itself all the way up to
the HS hub where the TT that serves the device is located.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
With the root hub unbinding in usb_stop(), there is no need to do
a Sandbox-specific reset operation. usb_emul_reset() is no longer
used anywhere, drop it.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
At present we only do device_remove() during usb stop. The DM API
device_remove() only marks the device state as inactivated, but
still keeps its USB topology (eg: parent, children, etc) in the DM
device structure. There is no issue if we only start USB subsystem
once and never stop it. But a big issue occurs when we do 'usb stop'
and 'usb start' multiple times.
Strange things may be observed with current implementation, like:
- the enumeration may report only 1 mass storage device is detected,
but the total number of USB devices is correct.
- USB keyboard does not work anymore after a bunch of 'usb reset'
even if 'usb tree' shows it is correctly identified.
- read/write flash drive via 'fatload usb' may complain "Bad device"
In fact, every time when USB host controller starts the enumeration
process, it takes random time for each USB port to show up online,
hence each USB device may appear in a different order from previous
enumeration, and gets assigned to a totally different USB address.
As a result, we end up using a stale USB topology in the DM device
structure which still reflects the previous enumeration result, and
it may create an exact same DM device name like generic_bus_0_dev_7
that is already in the DM device structure. And since the DM device
structure is there, there is no device_bind() call to bind driver to
the device during current enumeration process, eventually creating
an inconsistent software representation of the hardware topology, a
non-working USB subsystem.
The fix is to clear the unused USB topology in the usb_stop(), by
calling device_unbind() on each controller's root hub device, and
the unbinding will unbind all of its children automatically.
For Sandbox, we need scan the device tree each time when we start
the USB stack, in order to re-create the emulated USB devices and
bind drivers for them before we actually do the driver probe.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
At present the usb hub emulator always reports its downstream port
speed as full speed. Actually it is high speed for sandbox-flash,
and low speed for sandbox-keyb. We can determine the device speed
by checking its device descriptor bcdUSB field, and do the proper
hub port status report based on that.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
This can be useful outside of the sandbox usb emulation uclass
driver. Expose it as a public API with a proper prefix (usb_emul_).
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Current emulator select logic in usb_emul_find_devnum() is to test
the USB address. The USB address of the device being enumerated is
initialized to zero at the beginning of the enumeration process in
usb_setup_device(). At this point, the saved USB address in the
platform data has not been assigned to any valid USB address either.
This means: the logic will select an emulator device according to
its sequence of declaring order in the device tree. Take test.dts
for example, flash-stick@0 will be selected before flash-stick@1.
But unfortunately such logic is wrong.
In fact USB devices show up in a random order during the enumeration
which means usb_emul_find_devnum() may be called on port 3 for keyb@3
before on port 0 for flash-stick@0.
To fix this, we introduce a new emulator uclass specific platdata
to store the USB device's port number on its parent hub, and update
the logic to test the port number instead.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
At present 'usb tree' shows that the root hub on the Sandbox USB
controller is at full speed. But its device descriptor says it's
USB 2.0, so let's report it as a high speed device.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
During using dwc2 usb gadget, if usb message size is too small,
following cache misaligned warning is shown:
CACHE: Misaligned operation at range [bfdbcb00, bfdbcb04]
Align size of invalidating dcache before starting DMA to remove the
warning.
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
The choice of "USB keyboard polling" cannot be optional as without
one mechanism being set, it just doesn't work. Set the default one
to CONFIG_SYS_USB_EVENT_POLL.
Fixes: ecad7051 ("configs: Migrate all of the existing USB symbols, except fastboot")
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
