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Perform a simple rename of CONFIG_MXC_UART_BASE to CFG_MXC_UART_BASE
Signed-off-by: Tom Rini <[email protected]>
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This define is not enabled by the only platform which currently enables
the legacy option of CONFIG_USB_DEVICE. We can drop this code.
Signed-off-by: Tom Rini <[email protected]>
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We move the existing CONFIG_POST_* functionality over to CFG_POST and
then introduce CONFIG_POST to Kconfig.
Signed-off-by: Tom Rini <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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This driver is not enabled in any config currently, remove it.
Cc: Trevor Woerner <[email protected]>
Signed-off-by: Tom Rini <[email protected]>
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The rest of the unmigrated CONFIG symbols in the CONFIG_SYS namespace do
not easily transition to Kconfig. In many cases they likely should come
from the device tree instead. Move these out of CONFIG namespace and in
to CFG namespace.
Signed-off-by: Tom Rini <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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The rest of the unmigrated CONFIG symbols in the CONFIG_SYS_NS16550
namespace do not easily transition to Kconfig. In many cases they likely
should come from the device tree instead. Move these out of CONFIG
namespace and in to CFG namespace.
Signed-off-by: Tom Rini <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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This converts the following to Kconfig:
CONFIG_SPL_NS16550_MIN_FUNCTIONS
CONFIG_SYS_NS16550_MEM32
CONFIG_SYS_NS16550_PORT_MAPPED
CONFIG_SYS_NS16550_REG_SIZE
CONFIG_SYS_NS16550_SERIAL
To do this we also introduce CONFIG_SPL_SYS_NS16550_SERIAL so that
platforms can enable the legacy driver here for SPL.
Signed-off-by: Tom Rini <[email protected]>
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This symbol is specific to the PowerPC SPL implementation, so rename
this to reflect that it's in SPL and used / tested there, so that we can
then safely migrate it to Kconfig.
Signed-off-by: Tom Rini <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Implement setbrg in amlogic/meson serial device with driver model
similar to how the meson_uart.c driver does it in Linux. Also
configure (probe) the serial device with the new reg5 register.
Signed-off-by: Edoardo Tomelleri <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Acked-by: Neil Armstrong <[email protected]>
Signed-off-by: Neil Armstrong <[email protected]>
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This reverts commit c7878a0483c59c48a730123bc0f4659fd40921bf.
Since commit c7878a0483c5 ("serial: mxc: have putc use the TXFIFO"),
serial console corruption can be seen when priting inside board_init().
Revert it to avoid the regression.
Reported-by: Tim Harvey <[email protected]>
Signed-off-by: Fabio Estevam <[email protected]>
Acked-by: Tim Harvey <[email protected]>
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Now that all the old code is gone, rename this option. Driver model
migration is now complete.
Signed-off-by: Simon Glass <[email protected]>
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This file is being removed so drop remaining references to it.
Signed-off-by: Simon Glass <[email protected]>
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There is a number of users that use uclass_first_device to access the
first and (assumed) only device in uclass.
Some check the return value of uclass_first_device and also that a
device was returned which is exactly what uclass_first_device_err does.
Some are not checking that a device was returned and can potentially
crash if no device exists in the uclass. Finally there is one that
returns NULL on error either way.
Convert all of these to use uclass_first_device_err instead, the return
value will be removed from uclass_first_device in a later patch.
Signed-off-by: Michal Suchanek <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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into next
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Changing baudrate is a sensitive operation. To ensure that U-Boot messages
printed before changing baudrate are not lost, call new U-Boot console
flush() function.
Signed-off-by: Pali Rohár <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Like in all other console functions, implement also serial_flush() function
as a fallback int console flush() function.
Flush support is available only when config option CONSOLE_FLUSH_SUPPORT is
enabled. So when it is disabled then provides just empty static inline
function serial_flush().
Signed-off-by: Pali Rohár <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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UART drivers have putc/puts functions which just put characters into HW
transmit queue and do not wait until all data are transmitted.
Implement flush callback via serial driver's pending(false) callback which
waits until HW transmit all characters from the queue.
Signed-off-by: Pali Rohár <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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The baud clock on some platform may change due to assigned-clock-parent
set in DT. In current flow the baud clock is only retrieved during probe
stage. If the parent of the source clock changes after probe stage, the
setbrg will set wrong baudrate.
To get the right clock rate, this patch records the baud clk struct to the
driver's priv, and changes the driver's flow to get the clock rate before
calling _mtk_serial_setbrg().
Reviewed-by: Simon Glass <[email protected]>
Tested-by: Daniel Golle <[email protected]>
Signed-off-by: Weijie Gao <[email protected]>
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Signed-off-by: Tom Rini <[email protected]>
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This driver is not used by any system and is long unmaintained, drop it.
There is a DWC2 OTG driver which is maintained, see CONFIG_USB_GADGET_DWC2_OTG .
Signed-off-by: Marek Vasut <[email protected]>
Reviewed-by: Patrice Chotard <[email protected]>
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only waiting for TXEMPTY leads to corrupted messages going over the
wire - which is fixed by making use of the FIFO
this change is following the linux kernel uart driver
(drivers/tty/serial/imx.c), which also checks UTS_TXFULL
instead of UTS_TXEMPTY
Signed-off-by: Johannes Schneider <[email protected]>
Reviewed-by: Peng Fan <[email protected]>
Reviewed-by: Fabio Estevam <[email protected]>
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on imx8(mm) the RXDMUXSEL needs to be set for data going over the wire
(as observable on a connected 'scope) to actually make it into the
RXFIFO
the reference manual is not overly clear about this, and only
mentiones that "UCR3_RXDMUXSEL should always be set." - and since the
CR3 register reverts to its reset values after setting the baudrate,
setting this bit is done during '_mxc_serial_setbgr'
Signed-off-by: Johannes Schneider <[email protected]>
Reviewed-by: Peng Fan <[email protected]>
Reviewed-by: Fabio Estevam <[email protected]>
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Globally replace all occurances of WATCHDOG_RESET() with schedule(),
which handles the HW_WATCHDOG functionality and the cyclic
infrastructure.
Signed-off-by: Stefan Roese <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Tested-by: Tom Rini <[email protected]> [am335x_evm, mx6cuboxi, rpi_3,dra7xx_evm, pine64_plus, am65x_evm, j721e_evm]
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Since the calulation of "bgen" is rounded down, using a higher
baudrate will result in a larger difference from the actual
baudrate. Should use DIV_ROUND_CLOSEST() like the Linux driver.
Signed-off-by: Kunihiko Hayashi <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Michal Simek <[email protected]>
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Commit d293759d55cc ("serial: ns16550: Add support for
SPL_DEBUG_UART_BASE") fixed support for setting correct early debug UART
base address in SPL.
But after this commit, output from Marvell A385 BootROM is truncated or
lost and not fully present on serial console.
Debugging this issue showed that BootROM just put bytes into UART HW output
buffer and does not wait until UART HW transmit all characters. U-Boot
ns16550 early debug is initialized very early and during its initialization
is resetting UART HW and flushing remaining transmit buffer (which still
contains BootROM output).
Fix this issue by waiting in init function prior resetting UART HW until
TxEmpty bit in UART Line Status Register is set. TxEmpty is set when all
remaining bytes from HW buffer are transmitted.
Signed-off-by: Pali Rohár <[email protected]>
Reviewed-by: Stefan Roese <[email protected]>
[trini: Add comment, move ';' to new line per checkpatch.pl]
Signed-off-by: Tom Rini <[email protected]>
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With the last platform for this architecture removed, remove the rest of
the architecture support as well.
Cc: Marek Vasut <[email protected]>
Signed-off-by: Tom Rini <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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https://source.denx.de/u-boot/custodians/u-boot-microblaze into next
Xilinx changes for v2022.10
cpu:
- Add driver for microblaze cpu
net:
- Add support for DM_ETH_PHY to AXI emac and emaclite
xilinx:
- Switch platforms to DM_ETH_PHY
- DT chagnes in ZynqMP and Zynq
- Enable support for SquashFS
zynqmp:
- Add support for KR260 boards
- Move BSS from address 0
- Move platform identification from board code to soc driver
- Improve zynqmp_psu_init_minimize
versal:
- Enable loading app at EL1
serial:
- Setup default address and clock rates for DEBUG uarts
pinctrl:
- Add support for tri state and output enable properties
relocate-rela:
- Clean relocate-rela implementation for ARM64
- Add support for Microblaze
microblaze:
- Add support for runtime relocation
- Rework cache handling (wiring, Kconfig) based on cpuinfo
- Remove interrupt support
timer:
- Extract axi timer driver from Microblaze to generic location
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Setup default values for debug console, base address and frequency.
Signed-off-by: Michal Simek <[email protected]>
Link: https://lore.kernel.org/r/ce93efd3ed67aa6390810ce0b79e0d00e7c36b4b.1652871485.git.michal.simek@amd.com
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Fix the buffer underflow that would occur if puts is called with length
of zero.
Fixes: efa51f2bd64 ("serial: sandbox: Implement puts")
Cc: Sean Anderson <[email protected]>
Cc: Simon Glass <[email protected]>
Reviewed-by: Sean Anderson <[email protected]>
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CONFIG_VAL(DEBUG_UART_BASE) expands to CONFIG_DEBUG_UART_BASE or
CONFIG_SPL_DEBUG_UART_BASE or CONFIG_TPL_DEBUG_UART_BASE and allows boards
to set different values for SPL, TPL and U-Boot Proper.
For ns16550 driver this support is there since commit d293759d55cc
("serial: ns16550: Add support for SPL_DEBUG_UART_BASE").
Signed-off-by: Pali Rohár <[email protected]>
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ARM semihosting provides no provisions for determining if there is
pending input. The only way to determine if there is console input is to
do a read (and block until the user types something). For this reason,
we always return true for tstc (since you will always get input if you
try). However, this behavior can cause problems for code which expects
tstc to eventually be empty. In query_console_serial, there is the
following construct:
/* empty input buffer */
while (tstc())
getchar();
with the current implementation, this effectively turns into an infinite
loop. To avoid this, fake tstc by returning false half of the time. This
is generally OK because the other common construct looks like
do {
if (tstc())
process(getchar());
} while (!timeout());
so it's fine if we only read a new character every other loop. This will
break things like CYGACC_COMM_IF_GETC_TIMEOUT, but that could be
reworked to test on the timeout instead of calling tstc again (and
ymodem over semihosted serial is not that useful in the first place).
Signed-off-by: Sean Anderson <[email protected]>
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There are no platforms that set this, remove the code.
Signed-off-by: Tom Rini <[email protected]>
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These were only ever implied by sunxi platforms, and that usage has
been removed. Current practice is to specify CONFIG_CONS_INDEX in each
board's defconfig.
Signed-off-by: Samuel Holland <[email protected]>
Reviewed-by: Tom Rini <[email protected]>
Signed-off-by: Andre Przywara <[email protected]>
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Use CONFIG_VAL(DEBUG_UART_BASE) instead of CONFIG_DEBUG_UART_BASE, so
proper config value (CONFIG_DEBUG_UART_BASE or CONFIG_SPL_DEBUG_UART_BASE)
is used based on building target.
Signed-off-by: Pali Rohár <[email protected]>
Reviewed-by: Stefan Roese <[email protected]>
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TPL_DEBUG_UART_BASE is same as DEBUG_UART_BASE, but applies only for TPL.
Signed-off-by: Pali Rohár <[email protected]>
Signed-off-by: Stefan Roese <[email protected]>
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SPL_DEBUG_UART_BASE is same as DEBUG_UART_BASE, but applies only for SPL.
In some cases base address of UART is different in SPL and proper U-Boot.
Signed-off-by: Pali Rohár <[email protected]>
Reviewed-by: Stefan Roese <[email protected]>
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strndup can fail. Check for it.
Fixes: 4855b39be ("serial: smh: Implement puts for DM")
Signed-off-by: Sean Anderson <[email protected]>
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Add Nuvoton BMC NPCM7xx/NPCM8xx uart driver
Signed-off-by: Jim Liu <[email protected]>
Signed-off-by: Stanley Chu <[email protected]>
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Add VPL versions of commonly used Kconfig options.
Signed-off-by: Simon Glass <[email protected]>
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The serial_rockchip.c driver converts platdata to the data structure
used in the ns16550.c file and then calls the function
ns16550_serial_probe().
When compiled with OF_REAL the serial_rockchip.c driver returns
now -ENODEV when probed and does no harm.
The config ROCKCHIP_SERIAL is currently depends on SPL_OF_PLATDATA.
Allow serial port use for both SPL and TPL by removing this
dependency and SPL_BUILD restriction.
Signed-off-by: Johan Jonker <[email protected]>
Reviewed-by: Kever Yang <[email protected]>
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The Rockchip serial driver depends on an enabled NS16550 driver,
so add select SYS_NS16550 to config ROCKCHIP_SERIAL.
Signed-off-by: Johan Jonker <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Reviewed-by: Kever Yang <[email protected]>
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When a defconfig for rk3288 is compiled it gives the warning:
rockchip_rk3288_uart: Missing .compatible in
./drivers/serial/serial_rockchip.c
: WARNING: the driver rockchip_rk3288_uart
was not found in the driver list
Fix by renaming U_BOOT_DRIVER name of serial_rockchip.c
to rockchip_uart. Add rk3288 serial support with
a DM_DRIVER_ALIAS define.
Signed-off-by: Johan Jonker <[email protected]>
Reviewed-by: Kever Yang <[email protected]>
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The Rockchip uart DT nodes have "snps,dw-apb-uart" as
fall back string. The driver ns16550.c has CONFIG_IS_ENABLED(OF_REAL)
as condition to of_match and does not copy dtplat data.
For TPL/SPL the driver serial_rockchip.c
is used. Move driver alias to correct driver.
Signed-off-by: Johan Jonker <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Reviewed-by: Kever Yang <[email protected]>
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The ns16550.c driver has the following conditions for .of_match:
CONFIG_IS_ENABLED(OF_REAL)
For Rockchip SoCs with TPL/SPL and platform data that need serial
support the serial_rockchip.c driver was made. It copies this data
and then calls ns16550_serial_probe(). With the addition of yet an other
SoC type this driver is in need for a little restyle.
Simplify struct rockchip_uart_plat and add extra SoCs with
DM_DRIVER_ALIAS(). Return -ENODEV when the ns16550.c driver
probe function is available.
Signed-off-by: Johan Jonker <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Reviewed-by: Kever Yang <[email protected]>
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This adds an implementation of puts for DM. The implementation is not as
clean as for the non-DM puts because we have to handle non-nul-terminated
string. We also handle short writes (though these are probably very
unusual).
Signed-off-by: Sean Anderson <[email protected]>
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This adds a test to ensure that puts is equivalent to putc called in a
loop. We don't verify the contents of the message to avoid having to
record console output a second time (though that could be added in the
future). The globals are initialized to non-zero values to avoid a
warning; in particular, the character count is off-by-one (but we always
make relative measurements).
Signed-off-by: Sean Anderson <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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This implements puts for sandbox. It is fairly straightforward, except
that we break out the shared color printing functionality into its own
function.
Signed-off-by: Sean Anderson <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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A string like "test\n" would be broken up into the following sequence of
prints by _serial_puts:
puts("test\n")
putc('\r')
Although functionally this is the same as \r\n, it is not the standard
sequence and caused tests to fail. Fix this by excluding the '\n' from
the initial print. The above string will now be broken up like
puts("test")
puts("\r\n")
Since we may now need to call ops->puts twice (with the associated retry
logic), break that part of the function off into a helper.
Fixes: 7a76347189 ("serial: dm: Add support for puts")
Signed-off-by: Sean Anderson <[email protected]>
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This converts the following to Kconfig:
CONFIG_SH_SCIF_CLK_FREQ
Signed-off-by: Tom Rini <[email protected]>
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This converts the following to Kconfig:
CONFIG_CONS_SCIF0
CONFIG_CONS_SCIF1
CONFIG_CONS_SCIF2
CONFIG_CONS_SCIF4
CONFIG_CONS_SCIFA0
Signed-off-by: Tom Rini <[email protected]>
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