Marek Vasut [Tue, 10 Nov 2015 19:53:28 +0000 (20:53 +0100)]
eeprom: Pull out CONFIG_SYS_EEPROM_PAGE_WRITE_BITS
Implement default value of 8 for this macro and pull out all of
this macro out of the code. The default value of 8 actually does
implement exactly the same behavior as the previous code which
was in the #else clause of the ifdef.
Signed-off-by: Marek Vasut <marex@denx.de> Cc: Simon Glass <sjg@chromium.org> Cc: Tom Rini <trini@konsulko.com> Cc: Heiko Schocher <hs@denx.de> Reviewed-by: Heiko Schocher <hs@denx.de>
Marek Vasut [Tue, 10 Nov 2015 19:53:26 +0000 (20:53 +0100)]
eeprom: Pull out CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS
Pull this macro to the beginning of the cmd_eeprom.c and remove
another nasty ifdef from the code. Note that this is legal, since
udelay(0) changes the behavior only such that it pings the WDT if
WDT is enabled and otherwise does not wait.
Signed-off-by: Marek Vasut <marex@denx.de> Cc: Simon Glass <sjg@chromium.org> Cc: Tom Rini <trini@konsulko.com> Cc: Heiko Schocher <hs@denx.de> Reviewed-by: Heiko Schocher <hs@denx.de>
Marek Vasut [Tue, 10 Nov 2015 19:53:25 +0000 (20:53 +0100)]
eeprom: Make eeprom_write_enable() weak
Make this function weak and implement it's weak implementation
so that the boards can just reimplement it. This zaps the horrid
CONFIG_SYS_EEPROM_WREN macro.
Signed-off-by: Marek Vasut <marex@denx.de> Cc: Simon Glass <sjg@chromium.org> Cc: Tom Rini <trini@konsulko.com> Cc: Heiko Schocher <hs@denx.de> Reviewed-by: Heiko Schocher <hs@denx.de>
Marek Vasut [Tue, 10 Nov 2015 19:53:19 +0000 (20:53 +0100)]
eeprom: Zap CONFIG_SYS_I2C_MULTI_EEPROMS
This option only complicates the code unnecessarily, just use
CONFIG_SYS_DEF_EEPROM_ADDR as the default address if there are
only five arguments to eeprom {read/write} if this is defined.
If CONFIG_SYS_DEF_EEPROM_ADDR is not defined, we mandate all
six arguments.
Signed-off-by: Marek Vasut <marex@denx.de> Cc: Simon Glass <sjg@chromium.org> Cc: Tom Rini <trini@konsulko.com> Cc: Heiko Schocher <hs@denx.de> Reviewed-by: Heiko Schocher <hs@denx.de>
Marek Vasut [Tue, 10 Nov 2015 19:53:18 +0000 (20:53 +0100)]
eeprom: Shuffle code around
Just move the code around so that the forward declarations are not
necessary. Also zap a few checkpatch issues where applicable and
zap the use of #ifdef CONFIG_CMD_EEPROM in the code, since this is
always true.
Signed-off-by: Marek Vasut <marex@denx.de> Cc: Simon Glass <sjg@chromium.org> Cc: Tom Rini <trini@konsulko.com> Cc: Heiko Schocher <hs@denx.de> Reviewed-by: Heiko Schocher <hs@denx.de>
ARM: dra7x/am57x: Remove pin input/output config from WAKEUP pins
The WAKEUP_X pins are always an input no matter the pinmux mode.
However, the 18th bit that typical configures a pin as an input is
considered reserved for the WAKEUP_X pins. Therefore, for any WAKEUP
pin remove any configuration that sets that pin as an input. Since
those pins are only inputs remove any output configuration from those
pins.
Signed-off-by: Franklin S Cooper Jr <fcooper@ti.com>
Thomas Chou [Thu, 19 Nov 2015 13:48:07 +0000 (21:48 +0800)]
ns16550: unify serial_ppc
Unify serial_ppc, and use the generic binding.
Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Reviewed-by: Tom Rini <trini@konsulko.com>
[trini: Add TODO comment] Signed-off-by: Tom Rini <trini@konsulko.com>
Thomas Chou [Thu, 19 Nov 2015 13:48:06 +0000 (21:48 +0800)]
ns16550: unify serial_x86
Unify serial_x86, and use the generic binding.
Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Reviewed-by: Tom Rini <trini@konsulko.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Acked-by: Simon Glass <sjg@chromium.org>
Thomas Chou [Thu, 19 Nov 2015 13:48:05 +0000 (21:48 +0800)]
ns16550: add generic binding to unify the drivers
Add generic binding to unify ns16550 drivers. There are
several drivers using almost the same code, such as serial_dw,
serial_keystone, serial_omap, serial_ppc, serial_rockchip,
serial_tegra.c, and serial_x86. But each is platform specific.
The key difference between these drivers is the way to get
input clock frequency. With this unified approach, fixed clock
frequency should be extracted from "clock-frequency" property of
device tree blob. If this property is not available, the macro
CONFIG_SYS_NS16550_CLK will be used. It can be a constant or a
function to get clock, eg, get_serial_clock().
Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Reviewed-by: Tom Rini <trini@konsulko.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Heiko Schocher <hs@denx.de> Acked-by: Simon Glass <sjg@chromium.org>
Thomas Chou [Thu, 19 Nov 2015 13:48:04 +0000 (21:48 +0800)]
ns16550: change map_sysmem to map_physmem
Change map_sysmem() to map_physmem(,,MAP_NOCACHE). Though map_sysmem()
can be used to map system memory, it might be wrong to use it for I/O
ports. The map_physmem() serves the same purpose to translate physical
address to virtual address with the additional flag to take care of cache
property. Most drivers use map_physmem() since I/O ports access should be
uncached. As ns16550 is a driver, it should use map_physmem() rather
than map_sysmem().
Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Acked-by: Simon Glass <sjg@chromium.org>
Thomas Chou [Thu, 19 Nov 2015 13:48:03 +0000 (21:48 +0800)]
debug_uart: restore ns16550 as default
Since commit 220e8021af96 ("nios2: convert altera_jtag_uart to
driver model"), the default debug uart was changed. Most people
use ns16550 UART, so restore it as default.
Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Reported-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar> Reported-by: Ariel D'Alessandro <ariel@vanguardiasur.com.ar> Reviewed-by: Tom Rini <trini@konsulko.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Heiko Schocher <hs@denx.de> Acked-by: Simon Glass <sjg@chromium.org>
Simon Glass [Mon, 9 Nov 2015 06:48:06 +0000 (23:48 -0700)]
usb: sandbox: Add a USB emulation driver
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.
Simon Glass [Mon, 9 Nov 2015 06:48:00 +0000 (23:48 -0700)]
dm: usb: Remove inactive children after a bus scan
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.
Simon Glass [Mon, 9 Nov 2015 06:47:59 +0000 (23:47 -0700)]
dm: usb: Deprecate usb_get_dev_index()
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.
Simon Glass [Mon, 9 Nov 2015 06:47:55 +0000 (23:47 -0700)]
sandbox: usb: Allow finding a USB emulator for a device
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.
Simon Glass [Mon, 9 Nov 2015 06:47:53 +0000 (23:47 -0700)]
sandbox: usb: Allow dynamic emulated USB device descriptors
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.
Simon Glass [Mon, 9 Nov 2015 06:47:48 +0000 (23:47 -0700)]
console: Add a console buffer
It is useful to be able to record console output and provide console input
via a buffer. This provides sandbox with the ability to run a command and
check its output. If the console is set to silent then no visible output
is generated.
This also provides a means to fix the problem where tests produce unwanted
output, such as errors or warnings. This can be confusing. We can instead
set the console to silent and record this output. It can be checked later
in the test if required.
It is possible that this may prove useful for non-test situations. For
example the console output may be suppressed for normal operations, but
recorded and stored for access by the OS. That feature is not implemented
at present.
Simon Glass [Mon, 9 Nov 2015 06:47:47 +0000 (23:47 -0700)]
Add a circular memory buffer implementation
This will be used to support console recording. It provides for a circular
buffer which can be written at the head and read from the tail. It supports
avoiding data copying by providing raw access to the data.
Simon Glass [Mon, 9 Nov 2015 06:47:45 +0000 (23:47 -0700)]
Move console definitions into a new console.h file
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.
Simon Glass [Mon, 9 Nov 2015 06:47:43 +0000 (23:47 -0700)]
sandbox: Add a way to skip time delays
Some tests are slow due to delays which are unnecessary on sandbox. The
worst offender is USB where we lose two seconds. Add a way to disable time
delays.
drivers/misc/cros_ec_sandbox.c: In function cros_ec_sandbox_packet:
drivers/misc/cros_ec_sandbox.c:483:5: warning: len may be used uninitialized in this function [-Wmaybe-uninitialized]
if (len < 0)
^
If the function process_cmd() is called with
req_hdr->command == EC_CMD_ENTERING_MODE, the value of len will be
returned uninitialized.
Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com> Acked-by: Simon Glass <sjg@chromium.org>
Bin Meng [Thu, 12 Nov 2015 13:33:03 +0000 (05:33 -0800)]
input: Change LED state bits to conform i8042 compatible keyboard
When sending LED update command to an i8042 compatible keyboard,
bit1 is 'Num Lock' and bit2 is 'Caps Lock' in the data byte. But
input library defines bit1 as 'Caps Lock' and bit2 as 'Num Lock'.
This causes a wrong LED to be set on an i8042 compatible keyboard.
Change the LED state bits to be i8042 compatible, and change the
keyboard flags as well.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Acked-by: Simon Glass <sjg@chromium.org>
Bin Meng [Thu, 12 Nov 2015 13:33:02 +0000 (05:33 -0800)]
input: Call keyboard's update_leds() method when the LEDs change
We should request keyboard to turn on/off its LED when detecting
any changes on the LEDs.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Acked-by: Simon Glass <sjg@chromium.org>
Minor changes to allow this to build without CONFIG_DM_KEYBOARD: Signed-off-by: Simon Glass <sjg@chromium.org>
Simon Glass [Wed, 11 Nov 2015 17:05:47 +0000 (10:05 -0700)]
video: input: Clean up after i8042 conversion
Now that i8042 uses driver model, adjust other mentions of it and remove old
code that is no-longer used. Update the README and unify the keyboard text
into one place.
Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Simon Glass [Wed, 11 Nov 2015 17:05:43 +0000 (10:05 -0700)]
x86: Add an i8042 device for boards that have it
Some boards have an i8042 device. Enable the driver for all x86 boards, and
add a device tree node for those which may have this keyboard.
Also adjust the configuration so that i8042 is always separate from the VGA,
and rename the stdin driver accordingly. With this commit the keyboard will
not work, but it is fixed in the next commit.
Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Simon Glass [Wed, 11 Nov 2015 17:05:41 +0000 (10:05 -0700)]
input: i8042: Convert to use the input library
At present the i8042 driver has its own logic and keymaps. In an effort to
unify the code, move it over to use the input library. This changes most of
the keycode-processing logic since it is now in that library. The main
responsibilities of the driver are now to handle the LEDs, deal with the
PS/2 extended keycodes and initialise the the keyboard.
Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Tested-by: Bin Meng <bmeng.cn@gmail.com>
Simon Glass [Mon, 19 Oct 2015 03:17:25 +0000 (21:17 -0600)]
input: Allow repeat filtering to be disabled
Generally the input library handles processing of a list of scanned keys.
Repeated keys need to be generated based on a timer in this case, since all
that is provided is a list of keys current depressed.
Keyboards which do their own scanning will resend codes when they want to
inject a repeating key. Provide a function which tells the input library to
accept repeating keys and not to try to second-guess the caller.
Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Simon Glass [Mon, 19 Oct 2015 03:17:24 +0000 (21:17 -0600)]
input: Add a function to add a keycode to the existing set
Most keyboards can be scanned to produce a list of the keycodes which are
depressed. With the i8042 keyboard this scanning is done internally and
only the processed results are returned.
In this case, when a key is pressed, a 'make' code is sent. When the key
is released a 'break' code is sent. This means that the driver needs to
keep track of which keys are pressed. It also means that any protocol error
can lead to stuck keys.
In order to support this type of keyboard, add a function when can be used
to provide a single keycode and either add it to the list of what is pressed
or remove it from the list. Then the normal input_send_keycodes() function
can be used to actually do the decoding work.
Add debugging to display the ASCII characters written to the input queue
also.
Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Simon Glass [Mon, 19 Oct 2015 03:17:21 +0000 (21:17 -0600)]
i8042: Adjust keyboard init to assume success
Modify i8042_kbd_init() so that the normal pass is sucessful init and
failure exits early. This will make the code easier to extend and is easier
to read.
Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Simon Glass [Mon, 19 Oct 2015 03:17:19 +0000 (21:17 -0600)]
i8042: Use functions to handle register access
At present the register access in kbd_reset() is quite primitive. This makes
it hard to follow.
Create functions to read and write data, both to a single register, and via
the command/data approach.
Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-on: Intel Crown Bay and QEMU Tested-by: Bin Meng <bmeng.cn@gmail.com>
Simon Glass [Mon, 19 Oct 2015 03:17:18 +0000 (21:17 -0600)]
video: Drop unused console functions
CONFIG_CONSOLE_CURSOR, CONFIG_SYS_CONSOLE_BLINK_COUNT and
CONFIG_CONSOLE_TIME are not used by any board. The implementation is not
great and stands in the way of a refactor of i8042. Drop these for now.
They can be re-introduced quite easily later, perhaps with driver-model
real-time-clock (RTC) support.
When reintroducing, it might be useful to make a few changes:
- Blink time would be more useful than blink count
- The confusing #ifdefs should be avoided
- The time functions should support driver model
- It would be best keyed off console_tstc() or some similar idle loop
rather than a particular input driver (i8042 in this case)
Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Simon Glass [Mon, 19 Oct 2015 03:17:17 +0000 (21:17 -0600)]
dm: cros_ec: Convert cros_ec keyboard driver to driver model
Adjust the cros_ec keyboard driver to support driver model. Make this the
default for all Exynos boards so that those that use a keyboard will build
correctly with this driver.
Simon Glass [Mon, 19 Oct 2015 03:17:16 +0000 (21:17 -0600)]
dm: tegra: Convert keyboard driver to driver model
Adjust the tegra keyboard driver to support driver model, using the new
uclass. Make this the default for all Tegra boards so that those that use
a keyboard will build correctly with this driver.
Simon Glass [Mon, 19 Oct 2015 03:17:13 +0000 (21:17 -0600)]
input: Add the keycode translation tables separately
Require the caller to add the keycode translation tables separately so that
it can select which ones to use. In a later patch we will add the option to
add German tables.
Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Simon Glass [Mon, 19 Oct 2015 03:17:11 +0000 (21:17 -0600)]
input: Add a device pointer to the input config
The read_keys() method in input is passed a struct input_config. Add a
device pointer there so that we can find out the device that is referred
to with driver model.
Once all drivers are converted we can update the input structure to use
driver model instead.
Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Simon Glass [Tue, 8 Sep 2015 17:15:11 +0000 (11:15 -0600)]
dm: usb: Add support for USB keyboards with driver model
Switch USB keyboards over to use driver model instead of scanning with the
horrible usb_get_dev_index() function. This involves creating a new uclass
for keyboards, although so far there is no API.
rockchip: Turn on CONFIG_DEBUG_UART_NS16550 in defconfigs
No UART driver was specified in defconfig, thus
DEBUG_UART_ALTERA_JTAGUART was incorrectly selected by default since
commit 220e8021af96741bd7149ca9895e1f0c8a38d0bb added a new Altera UART
driver.
Signed-off-by: Ariel D'Alessandro <ariel@vanguardiasur.com.ar> Acked-by: Simon Glass <sjg@chromium.org>
Michal Simek [Tue, 8 Sep 2015 15:07:01 +0000 (17:07 +0200)]
net: zynq: Fix MDC setting for zynq
Based on spec:
"MDC must not exceed 2.5 MHz (MDC is only active during MDIO read and
write operations)"
Zynq is running on 111MHz. Current setting is 32 which is 111/32=3.47
which is above of 2.5MHz.
Using 48 divider will give us correct setting according spec
(111/48=2.31).
Signed-off-by: Michal Simek <michal.simek@xilinx.com> Acked-by: Joe Hershberger <joe.hershberger@ni.com>
projects / u-boot / log