The bootROM in the Armada-38x (and similar) SoC has two modes for UART
boot. The first is when the normal boot media is blank (or otherwise
missing the kwb header). The second is when the boot sequence has been
interrupted with the magic byte sequence on the UART lines.
In the first mode the bootROM routine and error code register will
indicate that there was an error booting from the configured media in
bits 7:0. In the second mode there is no error to indicate but the boot
source is provided via bits 31:28.
Handle both situations so that kwboot can be used for both boot
strapping a blank board and for intercepting a regular boot sequence.
Signed-off-by: Chris Packham <judge.packham@gmail.com>
Signed-off-by: Sean Nyekjaer <sean.nyekjaer@prevas.dk>
Signed-off-by: Stefan Roese <sr@denx.de>
This reverts commit e83e2b3900. This
prevents kwboot from overriding the hardware strapped boot source.
Signed-off-by: Chris Packham <judge.packham@gmail.com>
Signed-off-by: Stefan Roese <sr@denx.de>
Detect the SD/eMMC boot device at run-time. Load the environment from
the boot deice, as well as save to it.
Leave the environment offset the same as in the SPI flash.
Make SD/eMMC 0 the default environment device when the boot device is
not detected.
Cc: Konstantin Porotchkin <kostap@marvell.com>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Stefan Roese <sr@denx.de>
This patch accomplishes 2 things to make the kwboot procedure
on the a38x more reliable.
1) We fill the tty with 1K of the magic bootparam. This helps
with the timing of where the microcode picks up in the read of
the line to ensure we actually catch the break to go into recovery
mode
2) Before starting the xmodem transfer we sleep for 2 seconds
and then flush the line. This allows all the magic bootparam
to be flushed from the line and makes the xmodem transfer reliable
and removes the Bad message failures.
Signed-off-by: Jon Nettleton <jon@solid-run.com>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Reviewed-by: Chris Packham <judge.packham@gmail.com>
Signed-off-by: Stefan Roese <sr@denx.de>
Stefan is listed as a kirkwood maintainer since commit f822d8578b
(MAINTAINERS: Update Marvell custodianship).
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Stefan Roese <sr@denx.de>
The default bootdelay of 3 seconds is good enough and there is no need
to duplicate it in CONFIG_EXTRA_ENV_SETTINGS.
Signed-off-by: Evgeni Dobrev <evgeni@studio-punkt.com>
Signed-off-by: Stefan Roese <sr@denx.de>
These comments were copied from the Linux kernel driver in
drivers/platform/x86/intel_scu_ipc.c
Signed-off-by: Georgii Staroselskii <georgii.staroselskii@emlid.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Now that we have I2C#6 working, it's time to add a corresponsing
ACPI binding.
Signed-off-by: Georgii Staroselskii <georgii.staroselskii@emlid.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Now that we have the pinctrl driver for Merrifield in place we can make
use of it and set I2C#6 pins appropriately.
Initial configuration came from the firmware. Which quite likely has
been used in the phones, where that is not part of Atom peripheral, is
in use. Thus we need to override the leftover.
Signed-off-by: Georgii Staroselskii <georgii.staroselskii@emlid.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This API is going to be used to configure some pins that are protected
for simple modification.
It's not a comprehensive pinctrl driver but can be turned into one
when we need this in the future. Now it is planned to be used only
in one place. So that's why I decided not to pollute the codebase with a
full-blown pinctrl-merrifield nobody will use.
This driver reads corresponding fields in DT and configures pins
accordingly.
The "protected" flag is used to distinguish configuration of SCU-owned
pins from the ordinary ones.
The code has been adapted from Linux work done by Andy Shevchenko
in pinctrl-merrfifield.c
Signed-off-by: Georgii Staroselskii <georgii.staroselskii@emlid.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
[bmeng: fix build warning]
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
This interface will be used to configure properly some pins on
Merrifield that are shared with SCU.
scu_ipc_raw_command() writes SPTR and DPTR registers before sending
a command to SCU.
This code has been ported from Linux work done by Andy Shevchenko.
Signed-off-by: Georgii Staroselskii <georgii.staroselskii@emlid.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This will add support for a baud rate of 57600.
Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
On a
u32 val = __sw32(*addr);
multiple memory accesses are not welcome, since "addr" may
be an IO peripheral register address.
This patch changes __sw16/32 to perform a single memory
access for the source value.
Signed-off-by: Angelo Dureghello <angelo@sysam.it>
The Gen2 TMU is fed with fixed 32.5 MHz signal from CP .
This is then divided by 4 in TMU. Fix the timer clock
setting in Gen2.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Replace those two functions with generic ones by defining the
timer macros in include/config/*.h .
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
The code uses all in all three TMU registers, drop the massive
register layout structures and just define the required timer
registers and use them throughout the code.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
The header contains only the TMU register layout, just inline it
into the TMU timer implementation and drop the header completely.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
The R-Car Gen2 feeds the TMU with CONFIG_SYS_CLK_FREQ / 2,
while the old SH parts use CONFIG_SYS_CLK_FREQ directly.
Just put this into the TMU implementation and drop the
CONFIG_SH_TMU_CLK_FREQ config option.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
These functions are always called for timer = 0, so drop the
timer check. Since these functions are called from one place
only and they are reduced to one line of code, just inline
them.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
The tmu_bit value evaluates to (ffs(4) >> 1) - 1 = (3 >> 1) - 1 = 0.
Just drop the tmu_bit completely as well as CONFIG_SYS_TMU_CLK_DIV.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
This constant is always 4 , for all boards that exist. Define it
once in arch/sh/lib/time.c and remove it from the configs.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Drop the macro as it is never used and it collides with sh_eth.h macros.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Drop the macro as it is defined in sh7723.h already.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Add vbus-supply regulator support.
On some board vbus is not controlled by the phy but by
an external regulator.
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
The dtb should be embedded in the u-boot-spl image so that
the CONFIG_SPL_TARGET of spl/u-boot-spl.hex includes it.
This also affects the main u-boot image, so adjust
CONFIG_SPL_FS_LOAD_PAYLOAD_NAME to u-boot.img which now
also includes the dtb.
Signed-off-by: Dalon Westergreen <dwesterg@gmail.com>
Incorrect type of size variable results in 0 being
returned for sdram sizes greater than or equal to
4GB.
Signed-off-by: Dalon Westergreen <dwesterg@gmail.com>
Stratix10 combines the u-boot-spl image into the fpga configuration
bitstream so that the SDM can load the processors memory. This
process requires a hex format of the u-boot-spl image.
CONFIG_SPL_TARGET is set to "spl/u-boot-spl.hex"
Signed-off-by: Dalon Westergreen <dwesterg@gmail.com>
Some devices, namely Intel's stratix10 SoC, require u-boot-spl in
a hex format. This patch adds spl/u-boot-spl.hex as a possible
target.
Signed-off-by: Dalon Westergreen <dwesterg@gmail.com>
Add code to reset all reset signals as in gpio DT node. A reset property
is an optional feature, so only print out a warning and do not fail if a
reset property is not present.
If a reset property is discovered, then use it to deassert, thus
bringing the IP out of reset.
Signed-off-by: Ley Foon Tan <ley.foon.tan@intel.com>
Enabled get_function support for dwapb where the function will
return the state of GPIO port.
Signed-off-by: Chin Liang See <chin.liang.see@intel.com>
Signed-off-by: Ley Foon Tan <ley.foon.tan@intel.com>
I just stumbled over some cluttered UBIFS messages. It seems some
newline chars are missing in the current U-Boot UBI source.
Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Heiko Schocher <hs@denx.de>
Last user of this driver went away in May 2017, in
commit eb5ba3aefd ("i2c: Drop use of CONFIG_I2C_HARD")
Signed-off-by: Tuomas Tynkkynen <tuomas@tuxera.com>
When used with a device tree, this will extract the card detect
and write protect pins from the device tree and configure them
accordingly. This assumes the GPIO_ACTIVE_LOW/HIGH is supported
by da8xx_gpio.
Signed-off-by: Adam Ford <aford173@gmail.com>
DM_I2C_COMPAT is somehow being enabled outside of Kconfig, so
this explicitly undefines it in the header file, and brackets
the I2C initialization around an #ifdef to not manually
initialize the I2C controller when the DM_I2C is enabled.
Signed-off-by: Adam Ford <aford173@gmail.com>
Tested-by: Derald D. Woods <woods.technical@gmail.com>
Enabling DM_PMIC, DM_REGULATOR_FIXED, and DM_REGULATOR_GPIO
gives us the ability to better monitor voltages and enable
hardware through the device tree. The TL4030 (TPS65950) is
not yet migrated to DM, so this patch only enables the fixed
and GPIO controlled regulators.
Signed-off-by: Adam Ford <aford173@gmail.com>
With DM enabled, this patch enables DM_SERIAL and removes
the NS16550 initialization from da850_lowlevel since the driver
will take care of that itself.
Signed-off-by: Adam Ford <aford173@gmail.com>
Chris Packham
Baruch Siach
Jon Nettleton
Evgeni Dobrev
Tom Rini
Georgii Staroselskii
Christian Gmeiner
Angelo Dureghello
Marek Vasut
Patrice Chotard
Dalon Westergreen
Ley Foon Tan
Stefan Roese
Tuomas Tynkkynen
Adam Ford