This adds a new defconfig which pre-selects the PICO-Pi baseboard
allowing a completely non-interactive boot process.
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
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>
Falcon mode boots the kernel directly from SPL, without loading
the full U-Boot.
As pico-imx6ul does not have a GPIO for selecting Falcon versus normal
mode, enter in Falcon mode when the customer selects the
CONFIG_SPL_OS_BOOT option in menuconfig.
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
The new config skips the boot menu which asks which board is in
use. This is useful to allow direct booting of image without user
iteration.
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Currently the baseboards do not offer a way to autodetect which one is
in use, so we ask the user if no value has been set.
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Due the changes in previous commits, we need to resync the defconfig
to reduce noise in next commits.
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
The 'bmode' command is helpful for switching the boot media.
In the case of pico-imx6ul there are two possible boot media:
eMMC or USB.
To boot from eMMC:
=> bmode emmc
To boot from USB (via Serial Download Protocol):
=> bmode usb
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Fabio Berton <fabio.berton@ossystems.com.br>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
fastboot tool is a convenient way to flash the eMMC, so
add support for it.
Examples of usages:
On the pico-imx6ul U-Boot prompt:
=> fastboot 0
On the Linux PC connected via USB:
1. Retrieving the U-Boot version
$ sudo fastboot getvar bootloader-version -i 0x0525
bootloader-version: U-Boot 2018.07-rc2-00130-g0881835-dirty
finished. total time: 0.000s
2. Resetting the board
$ sudo fastboot reboot -i 0x0525
(this causes the pico-imx6ul to reboot)
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Fabio Berton <fabio.berton@ossystems.com.br>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
There are two versions of imx6ul pico SOMs: one with 256MB and another
one with 512MB of RAM.
Convert to SPL so that both versions can be supported. This patch
doesn't rework the clock initialization to avoid changing the behavior
in this same patch, so it will be cleaned up in future.
Currently only the 256MB is tested/supported.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Fabio Berton <fabio.berton@ossystems.com.br>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Instead of keeping a custom environment, use a more generic approach
by switching to distro config.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
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>
With DM_MMC now available, this patch enables DM_MMC for the
omapl138_lcdk in U-Boot and keeps the older style for SPL.
Signed-off-by: Peter Howard <phoward@gme.net.au>
Signed-off-by: Adam Ford <aford173@gmail.com>
The simple pinctrl driver currently available works with the omap3.
Enabling this will use the device tree to automatically set the
pin-muxing for various drivers.
Signed-off-by: Adam Ford <aford173@gmail.com>
The OF_CONTROL and OF_PLATDATA are not really useful without DM.
This patch supports DM_SPL, but it requires manual references
both Serial and MMC.
Signed-off-by: Adam Ford <aford173@gmail.com>
The DA850-EVM supports booting from NAND when used with the
UI expander board. da850evm_nand will create an ais file
that can be burned to NAND and booted while storing the env in
NAND along with some partitions tables for storing kernel,
dtb and rootfs in NAND.
Signed-off-by: Adam Ford <aford173@gmail.com>
At least for now, CONFIG_BLK is working, but this variant of
the da850evm doesn't need/support SPL so it's OK to enable it
here.
Signed-off-by: Adam Ford <aford173@gmail.com>
Now that CONFIG_SYS_MONITOR_LEN increased, we have room for enabling
more options again.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This patch enables DM_SERIAL for the pandora board. Verified that
the default kernel can still be booted with this.
Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Add support for loading U-Boot on the Broadcom 7260 SoC. This port
assumes Broadcom's BOLT bootloader is acting as the second stage
bootloader, and U-Boot is acting as the third stage bootloader, loaded
as an ELF program by BOLT.
Signed-off-by: Thomas Fitzsimmons <fitzsim@fitzsim.org>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Change the configured serial console index to reflect that it is the
first physical UART, reorder some defconfig lines and move some
environment configuration from bcmstb.h to bcm7445.h.
Signed-off-by: Thomas Fitzsimmons <fitzsim@fitzsim.org>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Activate the serial rx buffer.
Prepare console MUX activation with vidconsole, and avoid console
performance issue (missing character for copy-paste).
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Convert the codes and configurations to enable DM drivers in u-boot for
modules: i2c, PMIC, regulator, USB, Ethernet, SD/MMC, GPIO and QSPI
This patch does not change SPL, so it still uses non-DM driver for
UART, GPIO and SD/MMC.
Signed-off-by: Ye Li <ye.li@nxp.com>
On iMX7D SabreSD board, the QSPI has pins conflict with EPDC (default).
To use QSPI, users have to rework the board (de-populate R388-R391, R396-R399
populate R392-R395, R299, R300). So we add new DTS file and new defconfig
dedicated for QSPI.
Other changes to support the DM QSPI:
- Add QSPI node and alias spi0.
- Modify spi4 (spi-gpio) node and add alias spi5 for it to avoid req
conflict
- Add EPDC node in imx7d.dtsi and disable it in imx7d-sdb-qspi.dts to
align with kernel and also present the conflict.
- Add -u-boot.dtsi to modify compatible string of mx25l51245g@0 to
"spi-flash"
- Remove iomux settings of qspi in board codes which is not needed
for DM driver.
Signed-off-by: Ye Li <ye.li@nxp.com>
To support DM QSPI driver:
- Add -u-boot.dtsi to modify n25q256a@0 and n25q256a@1 compatible string
to "spi-flash" and add "num-cs" property.
- Enable DM SPI and DM SPI FLASH configurations
- Remove iomux settings of qspi1 in board codes which is not needed
for DM driver.
Signed-off-by: Ye Li <ye.li@nxp.com>
To support DM QSPI driver
- Add spi0 and spi1 alias for qspi1 and qspi2.
- Add -u-boot.dtsi to modify n25q256a@0 and n25q256a@1 compatible string
to "spi-flash" and add "num-cs" property.
- Enable DM SPI/QSPI relavent configurations
- Remove iomux settings of qspi2 in board codes which is not needed
for DM driver.
- Add sf default settings. So running "sf probe" can detect the flash
Signed-off-by: Ye Li <ye.li@nxp.com>
beagleboard x15 is the first supported platform variant of am57xx
in AOSP (android open source project) now.
changing board name to stay in consistent with aosp target name.
Signed-off-by: Praneeth Bajjuri <praneeth@ti.com>
Switch the Arria10 from ad-hoc hardcoded timer to timer framework
and the DW APB timer driver. This allows the A10 to extract timer
information, like timer rate, from clock framework and thus DT
instead of having it hardcoded in U-Boot configuration files.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Chin Liang See <chin.liang.see@intel.com>
Cc: Dinh Nguyen <dinguyen@kernel.org>
Cc: Ley Foon Tan <ley.foon.tan@intel.com>
In some cases it can be useful to be able to bind a device to a driver from
the command line.
The obvious example is for versatile devices such as USB gadget.
Another use case is when the devices are not yet ready at startup and
require some setup before the drivers are bound (ex: FPGA which bitsream is
fetched from a mass storage or ethernet)
usage example:
bind usb_dev_generic 0 usb_ether
unbind usb_dev_generic 0 usb_ether
or
unbind eth 1
bind /ocp/omap_dwc3@48380000/usb@48390000 usb_ether
unbind /ocp/omap_dwc3@48380000/usb@48390000
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
A20 OLinuXino Micro eMMC board has emmc with mmc2 slot
so use proper dts, sun7i-a20-olinuxino-micro-emmc.dts
Cc: Stefan Mavrodiev <stefan@olimex.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
The SPL space is limited. In order to try to enable DM in SPL,
we need more space. When combined wtih TINY_PRINTF, this reduces
the size of SPL by 6.5k
Original:
text data bss dec hex filename
20760 1216 80 22056 5628 spl/u-boot-spl
Tiny Printf
text data bss dec hex filename
17947 1216 80 19243 4b2b spl/u-boot-spl
Malloc Simple + Tiny Printf
text data bss dec hex filename
15187 176 28 15391 3c1f spl/u-boot-spl
Signed-off-by: Adam Ford <aford173@gmail.com>
The SPL space is limited. In order to try to enable DM in SPL,
we need more space. This reduces the size of SPL by ~2.7K
before:
text data bss dec hex filename
20760 1216 80 22056 5628 spl/u-boot-spl
after:
text data bss dec hex filename
17947 1216 80 19243 4b2b spl/u-boot-spl
Signed-off-by: Adam Ford <aford173@gmail.com>
Since using DM_I2C_COMPAT throws a warning during compilation,
and it isn't really needed any longer, so this patch removes
this feature and shrinks the code a bit.
from:
text data bss dec hex filename
343326 13388 123448 480162 753a2 u-boot
to:
text data bss dec hex filename
342924 13380 123440 479744 75200 u-boot
Signed-off-by: Adam Ford <aford173@gmail.com>
Currently building U-Boot as the coreboot payload requires user
to change the build configuration for a specific board during
menuconfig process. This uses the board's native device tree
to configure the hardware. For example, the device tree provides
PCI address range for the PCI host controller and U-Boot will
re-program all PCI devices' BAR to be within this range. In order
to make sure we don't mess up the hardware, we should guarantee
the range matches what coreboot programs the chipset.
But we really should make the coreboot payload support easier.
Just like EFI payload, we can create a generic coreboot payload
for all x86 boards as well. The payload is configured to include
as many generic drivers as possible. All stuff that touches low
level initialization are not allowed as such is the coreboot's
responsibility. Platform specific drivers (like gpio, spi, etc)
are not included.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
