Alexander Graf [Thu, 25 Jan 2018 11:05:55 +0000 (12:05 +0100)]
bcm2835_pl011_serial: Add BCM2835 specific serial driver
On bcm2835 we need to ensure we only access serial devices that are
muxed to the serial output pins of the pin header. To achieve this
for the pl011 device, add a bcm2835 specific pl011 wrapper device
that does this check but otherwise behaves like a pl011 device.
Alexander Graf [Thu, 25 Jan 2018 11:05:54 +0000 (12:05 +0100)]
MAINTAINERS: Take over BCM2835 maintainership
It seems as if I have more interest in BCM2835 support than most others,
so I'll bite the bullet and declare myself maintainer. It'd be a shame
to leave that platform orphaned.
Alexander Graf [Thu, 25 Jan 2018 11:05:47 +0000 (12:05 +0100)]
serial_bcm283x_mu: Always skip init
The serial initialization doesn't always quite work for me, so let's
always skip it for now. We know that firmware on the RPi initializes
us properly already.
Alexander Graf [Thu, 25 Jan 2018 11:05:45 +0000 (12:05 +0100)]
rpi: Determine PL011/Mini-UART availability at runtime
Firmware on the Raspberry Pi family of devices can dynamically configure either
the PL011, Mini-UART or no device at all to be routed to the user accessible
UART pins.
That means we need to always include both drivers, because we can never be sure
which of the two serial devices firmware actually chooses to use.
Alexander Graf [Thu, 25 Jan 2018 11:05:44 +0000 (12:05 +0100)]
serial: bcm283x_mu: Remove support for post-init disabling
We are switching to a model where a serial device doesn't even get probed when
it's not muxed properly, so we don't need device specific disabling
functionality anymore.
Alexander Graf [Thu, 25 Jan 2018 11:05:43 +0000 (12:05 +0100)]
rpi: Remove runtime disabling support for serial
We are switching to a model where our board file can directly fail probing
of serial devices when they're not usable, so remove the current runtime
hack we have.
Alexander Graf [Thu, 25 Jan 2018 11:05:42 +0000 (12:05 +0100)]
serial: Use next serial device if probing fails
Currently our serial device search chokes on the fact that the serial
probe function could fail. If it does, instead of searching for the next
usable serial device, it just quits.
This patch changes the fallback logic so that even when a serial device
was not probed correctly, we just try the next ones until we find one that
works.
Signed-off-by: Alexander Graf <agraf@suse.de> Reviewed-by: Simon Glass <sjg@chromium.org>
Faiz Abbas [Wed, 24 Jan 2018 09:14:49 +0000 (14:44 +0530)]
am33xx: board: Call spl_early_init() to support sdram_init()
With driver model enabled in SPL, sdram_init() requires device tree
and malloc to be initialized.
Therefore call spl_early_init() in early_system_init().
Signed-off-by: Faiz Abbas <faiz_abbas@ti.com> Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
Alexander Graf [Tue, 23 Jan 2018 17:05:22 +0000 (18:05 +0100)]
mmc: Add bcm2835 sdhost controller
The BCM2835 family of SoCs has 2 different SD controllers: One based on
the SDHCI spec and a custom, home-grown one.
This patch implements a driver for the latter based on the Linux driver.
This is needed so that we can make use of device trees that assume driver
presence of both SD controllers.
Alexander Graf [Tue, 23 Jan 2018 17:05:21 +0000 (18:05 +0100)]
bcm283x: Add pinctrl driver
The bcm283x family of SoCs have a GPIO controller that also acts as
pinctrl controller.
This patch introduces a new pinctrl driver that can actually properly mux
devices into their device tree defined pin states and is now the primary
owner of the gpio device. The previous GPIO driver gets moved into a
subdevice of the pinctrl driver, bound to the same OF node.
That way whenever a device asks for pinctrl support, it gets it
automatically from the pinctrl driver and GPIO support is still available
in the normal command line phase.
Masahiro Yamada [Sun, 21 Jan 2018 10:19:17 +0000 (19:19 +0900)]
libfdt: migrate libfdt.h to a wrapper + U-Boot own code
There is tons of code duplication between lib/libfdt/libfdt.h and
scripts/dtc/libfdt/libfdt.h. Evacuate the U-Boot own code to
include/libfdt.h and remove lib/libfdt/libfdt.h.
For host tools, <libfdt.h> should include scripts/dtc/libfdt/libfdt.h,
which is already suitable for user-space.
For compiling U-Boot, <linux/libfdt.h> should be included because we
need a different libfdt_env.h .
I am fixing this horrible crap. In advance, I need to add necessary
include directives explicitly. tools/fdtgrep.c needs more; <fctl.h>
for open() and <errno.h> for errno.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Joe Hershberger <joe.hershberger@ni.com> Reviewed-by: Simon Glass <sjg@chromium.org>
Masahiro Yamada [Sun, 21 Jan 2018 10:19:13 +0000 (19:19 +0900)]
libfdt: migrate fdt_rw.c to a wrapper of scripts/dtc/libfdt/fdt_rw.c
The only difference between scripts/dtc/libfdt/fdt_rw.c and
lib/libfdt/fdt_rw.c is fdt_remove_unused_strings().
It is only used by fdtgrep, so we do not need to compile it for U-Boot
image. Move it to tools/libfdt/fdw_rw.c so that lib/libfdt/fdt_rw.c
can be a wrapper of scripts/dtc/libfdt/fdt_rw.c.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Simon Glass <sjg@chromium.org>
Derald D. Woods [Sun, 21 Jan 2018 03:16:14 +0000 (21:16 -0600)]
ARM: omap3: evm: Fix distro bootcmd UBIFS and MMC support
The omap3_evm board does not boot when commit: a47ca2cf67 ("ARM: omap3: evm: Add kernel image loading from UBIFS and EXT4")
is applied after commit: 3dde8f2037 ("Merge git://git.denx.de/u-boot-mmc")
This commit reduces the CONFIG_EXTRA_ENV_SETTINGS size and better
leverages the existing distro bootcmd infrastructure.
- Use updated UBIFS support from config_distro_bootcmd.h
- Use LEGACY_MMC naming found in am335x_evm.h and ti_omap4_common.h
- Remove extra environment content that is no longer needed
Derald D. Woods [Sun, 21 Jan 2018 03:16:13 +0000 (21:16 -0600)]
distro bootcmd: Allow board defined UBI partition and volume names
This commit allows overriding the default assumption that the boot UBI
MTD partition is named 'UBI' and the UBI volume is 'boot'. A board
desiring to use a legacy or alternative NAND layout can now define the
following two extra environment variables:
Loading files stored with lzo compression from a btrfs filesystem was
producing unaligned memory accesses, which were causing a data abort
and a reset on an Orange Pi Zero.
The change in hash.c is not triggered by any error but follows the
same pattern. Please confirm.
Fixed according to doc/README.unaligned-memory-access.txt
Signed-off-by: Alberto Sánchez Molero <alsamolero@gmail.com> Tested-by: Robert Nelson <robertcnelson@gmail.com>
Faiz Abbas [Fri, 19 Jan 2018 10:02:48 +0000 (15:32 +0530)]
ARM: AM43XX: Call hw_data_init() again after relocation to update *ctrl
hw_data_init() is called before relocation to initialise hardware data.
Since ctrl is initialized to OMAP_SRAM_SCRATCH_SYS_CTRL in
arch/arm/mach-omap2/am33xx/hw_data.c, the pointer *ctrl will not be
updated during relocation and will hold a stale value.
Therefore call hw_data_init() again after relocation to
reinitialize *ctrl.
Faiz Abbas [Fri, 19 Jan 2018 10:02:47 +0000 (15:32 +0530)]
configs: Replace CONFIG_ISW_ENTRY_ADDR with CONFIG_SYS_TEXT_BASE
Since 7e0ed13 ("Convert ARCH_OMAP2PLUS boards' CONFIG_SYS_TEXT_BASE to
Kconfig"), a default SYS_TEXT_BASE was set for all ARCH_OMAP2PLUS devices.
CONFIG_ISW_ENTRY_ADDR is used to set SYS_TEXT_BASE in qspi boot.
Simplify this by directly assigning SYS_TEXT_BASE in the defconfig.
Patrice Chotard [Thu, 18 Jan 2018 13:10:05 +0000 (14:10 +0100)]
clk: clk_stm32f: Move SYSCFG clock setup into configure_clocks()
Move SYSCFG clock setup into configure_clocks() instead of calling
clock_setup() from board file.
As this clock is only needed in case of ethernet enabled and as
both stm32f4 and stm32f7 are using the Designware ethernet IP,
we use CONFIG_ETH_DESIGNWARE to only enable this clock if needed.
Move the RMII setup from board_early_init_f() to board_init()
to insure that RMII bit is set only when clock driver is initialized.
Bradley Bolen [Sat, 27 Jan 2018 03:11:04 +0000 (22:11 -0500)]
atomic-long: Fix warnings on arm64
Several inline functions in this file reference undefined functions in
U-Boot. For example:
atomic-long.h:73:9: warning: implicit declaration of function
'atomic64_sub_and_test'
atomic-long.h:80:9: warning: implicit declaration of function
'atomic64_dec_and_test'
atomic-long.h:87:9: warning: implicit declaration of function
'atomic64_inc_and_test'
Handle this the same as the 32 bit build by wrapping these functions in
a __UBOOT__ check.
Patrice Chotard [Thu, 18 Jan 2018 12:39:33 +0000 (13:39 +0100)]
ARM: dts: stm32: Add STM32F429 Evaluation board support
This DT file comes from kernel v4.15, this board offers :
_ STM32F429NIH6 microcontroller
_ 4.3” color TFT LCD with resistive touchscreen (480 x 272 pixels)
_ Six 5 V power supply options:
Power jack
ST-LINK/V2 USB connector
User USB HS connector
User USB FS1 connector
User USB FS2 connector
Daughterboard
_ SAI Audio DAC, stereo audio jack which supports headset with
microphone
_ Stereo digital microphone, audio terminal connector used to connect
external speakers
_ 2 GBytes (or more) SDIO interface MicroSD card
_ RF EEPROM on I2 C compatible serial interface
_ RS-232 communication
_ IrDA transceiver
_ JTAG/SWD and ETM trace debug support, ST-LINK/V2 embedded
_ IEEE-802.3-2002 compliant Ethernet connector
_ Camera module
_ 8M x 32-bit SDRAM, 1M x 16-bit SRAM and 8M x 16-bit NOR Flash
_ Joystick with 4-directional control and selector
_ Reset, Wakeup and Tamper buttons
_ 4 color user LEDs
_ Extension connectors & memory connectors for daughterboard or
wrapping board
_ USB OTG HS and FS with Micro-AB connectors
_ RTC with backup battery
_ CAN2.0A/B compliant connection
_ Potentiometer
_ Motor control connector
Patrice Chotard [Thu, 18 Jan 2018 12:39:30 +0000 (13:39 +0100)]
clk: stm32: retrieve external oscillator frequency from DT
All current STM32F4 supported boards uses a 8MHz external oscillator.
All current STM32F7 supported boards uses a 25MHz external oscillator.
In order to introduce the new stm32f429-evaluation board which uses a
25MHz external oscillator without creating a dedicated struct
stm32_clk_info for this board, retrieve the external oscillator
frequency from DT and set pll_m accordingly to obtain 1MHz for the VCO.
Heiko Schocher [Wed, 17 Jan 2018 06:00:37 +0000 (07:00 +0100)]
arm: bootm-fdt.c: fix compiler warning
compiling U-Boot with bosch_mpcxxxxd_sd_defconfig
drops warning:
arch/arm/lib/bootm-fdt.c: In function ‘arch_fixup_fdt’:
arch/arm/lib/bootm-fdt.c:37:6: warning: unused variable ‘ret’ [-Wunused-variable]
int ret = 0;
^~~
Andrew F. Davis [Tue, 16 Jan 2018 20:25:48 +0000 (14:25 -0600)]
arm: mach-omap2: Pass args to secure ROM in SRAM in SPL
When in early SPL we make some secure ROM calls that can effect
DRAM, due to this it is more stable to store the args for these
calls in SRAM, but uninitialized and zero'd globals are placed
in BSS, located in DRAM. Force our args into the data section
which is in SRAM during SPL.
Mario Six [Mon, 15 Jan 2018 10:07:49 +0000 (11:07 +0100)]
gpio: mpc8xxx: Make compatible with more SoCs
Finally, make the mpc8xxx driver capable of handling more GPIO devices;
this entails adding a special case for the MPC5121 SoC, and adding a set
of new compatible strings.
Mario Six [Mon, 15 Jan 2018 10:07:48 +0000 (11:07 +0100)]
gpio: mpc8xxx: Rename Kconfig option, structures, and functions
Rename the Kconfig option, structures (and their members), as well as
functions of the mpc85xx driver to include mpc8xxx to reflect the more
generic usage.
Martin Etnestad [Fri, 12 Jan 2018 08:04:38 +0000 (09:04 +0100)]
Initialize SHA buffer size var in passwd_abort
The call to hash_block in passwd_abort fails with error ENOSPC on some
systems. The reason is that the variable which specifies the size of the
buffer to contain the computed hash does not get initialized.
This patch initializes the variable with the size of the buffer.
Signed-off-by: Martin Etnestad <martin.etnestad@appeartv.com>
Marek Vasut [Sun, 7 Jan 2018 18:32:56 +0000 (19:32 +0100)]
ARM: rmobile: Convert R8A7791 Porter board to DM and DT
Convert the R8A7791 Porter board to DM and DT. This implies mostly
enabling the necessary configuration options and plucking out the
ad-hoc configuration from the board file. Moreover, the pre-reloc
malloc size was increased to allow the clock driver to start up
early without running out of malloc space and the early stack was
moved further up in the DRAM to avoid rewriting U-Boot itself.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com> Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Marek Vasut [Wed, 17 Jan 2018 21:47:21 +0000 (22:47 +0100)]
ARM: dts: rmobile: Add SoC and board U-Boot DT extras
Add U-Boot DT extras for each SoC and board. This marks the required
nodes with u-boot,dm-pre-reloc to start clock and PRR early on while
avoiding modification of the DTs imported from Linux.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com> Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
The Stout board is not supported in Linux, so add a rudimentary DTS
for H2 Stout as a placeholder for when a proper DTS is available.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com> Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
---
NOTE: The Stout is already being shipped over, so proper DTS for both
U-Boot and Linux will happen once it's delivered :-)
Marek Vasut [Fri, 19 Jan 2018 17:57:17 +0000 (18:57 +0100)]
net: sh_eth: Add DM and DT support
Add DM capable code into the SH ethernet driver and support probing
both from DT and pdata. The legacy non-DM, non-DT support is retained
as there are still systems in the tree which are not DM or DT capable.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com> Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> Cc: Joe Hershberger <joe.hershberger@ni.com>
Marek Vasut [Sun, 21 Jan 2018 14:10:21 +0000 (15:10 +0100)]
net: sh_eth: Split sh_eth_init
Split sh_eth_init() function into smaller chunks, which can
be called from both DM and non-DM code while handling the
specifics of both configurations.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com> Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> Cc: Joe Hershberger <joe.hershberger@ni.com>
Marek Vasut [Sun, 21 Jan 2018 13:55:44 +0000 (14:55 +0100)]
net: sh_eth: Separate out MAC address programming
Pull out the code for writing MAC address into the NIC into a
separate function, so it can be reused by both DM and non-DM
code. This is done in preparation for DM support, which handles
MAC address programming separately.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com> Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> Cc: Joe Hershberger <joe.hershberger@ni.com>
Marek Vasut [Sun, 21 Jan 2018 14:39:50 +0000 (15:39 +0100)]
net: sh_eth: Split sh_eth_recv
Split sh_eth_recv into two functions, one which checks whether
a packet was received and one which handles the received packet.
This is done in preparation for DM support, which handles these
two parts separately.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com> Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> Cc: Joe Hershberger <joe.hershberger@ni.com>
Marek Vasut [Sun, 21 Jan 2018 13:27:51 +0000 (14:27 +0100)]
net: sh_eth: Pass sh_eth_dev around
Pass sh_eth_dev structure around instead of eth_device, since the
later is specific to the legacy networking support. This change is
done in preparation for the DM addition.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com> Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> Cc: Joe Hershberger <joe.hershberger@ni.com>
Add driver for the Renesas RCar PCIe controller present on Gen2 SoCs.
The PCIe on Gen2 is used both to connect external PCIe peripherals as
well as access the on-SoC USB EHCI controller.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Maxime Ripard [Tue, 23 Jan 2018 20:17:03 +0000 (21:17 +0100)]
sunxi: Transition from the MMC to a FAT-based environment
The current environment has been hardcoded to an offset that starts to be
an issue given the current size of our main U-Boot binary.
By implementing a custom environment location routine, we can always favor
the FAT-based environment, and fallback to the MMC if we don't find
something in the FAT partition. We also implement the same order when
saving the environment, so that hopefully we can slowly migrate the users
over to FAT-based environment and away from the raw MMC one.
Eventually, and hopefully before we reach that limit again, we will have
most of our users using that setup, and we'll be able to retire the raw
environment, and gain more room for the U-Boot binary.
Reviewed-by: Lukasz Majewski <lukma@denx.de> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Maxime Ripard [Tue, 23 Jan 2018 20:16:59 +0000 (21:16 +0100)]
env: Initialise all the environments
Since we want to have multiple environments, we will need to initialise
all the environments since we don't know at init time what drivers might
fail when calling load.
Let's init all of them, and only consider for further operations the ones
that have not reported any errors at init time.
Reviewed-by: Simon Glass <sjg@chromium.org> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Maxime Ripard [Tue, 23 Jan 2018 20:16:58 +0000 (21:16 +0100)]
env: Support multiple environments
Now that we have everything in place to support multiple environment, let's
make sure the current code can use it.
The priority used between the various environment is the same one that was
used in the code previously.
At read / init times, the highest priority environment is going to be
detected, and we'll use the same one without lookup during writes. This
should implement the same behaviour than we currently have.
Reviewed-by: Andre Przywara <andre.przywara@arm.com> Reviewed-by: Simon Glass <sjg@chromium.org> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Maxime Ripard [Tue, 23 Jan 2018 20:16:57 +0000 (21:16 +0100)]
env: common: Make the debug messages play a little nicer
Since we have global messages to indicate what's going on, the custom
messages in the environment drivers only make the output less readable.
Make the common code play a little nicer by removing all the extra output
in the standard case.
Reviewed-by: Andre Przywara <andre.przywara@arm.com> Reviewed-by: Simon Glass <sjg@chromium.org> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Maxime Ripard [Tue, 23 Jan 2018 20:16:54 +0000 (21:16 +0100)]
env: Make it explicit where we're loading our environment from
Since we can have multiple environments now, it's better to provide a
decent indication on what environments were tried and which were the one to
fail and succeed.
Reviewed-by: Simon Glass <sjg@chromium.org> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Maxime Ripard [Tue, 23 Jan 2018 20:16:53 +0000 (21:16 +0100)]
env: Make the env save message a bit more explicit
Since we'll soon have support for multiple environments, the environment
saving message might end up being printed multiple times if the higher
priority environment cannot be used.
That might confuse the user, so let's make it explicit if the operation
failed or not.
Reviewed-by: Andre Przywara <andre.przywara@arm.com> Reviewed-by: Lukasz Majewski <lukma@denx.de> Reviewed-by: Simon Glass <sjg@chromium.org> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Maxime Ripard [Tue, 23 Jan 2018 20:16:52 +0000 (21:16 +0100)]
env: Pass additional parameters to the env lookup function
In preparation for the multiple environment support, let's introduce two
new parameters to the environment driver lookup function: the priority and
operation.
The operation parameter is meant to identify, obviously, the operation you
might want to perform on the environment.
The priority is a number passed to identify the environment priority you
want to retrieve. The lowest priority parameter (0) will be the primary
source.
Combining the two parameters allow you to support multiple environments
through different priorities, and to change those priorities between read
and writes operations.
This is especially useful to implement migration mechanisms where you want
to always use the same environment first, be it to read or write, while the
common case is more likely to use the same environment it has read from to
write it to.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Maxime Ripard [Tue, 23 Jan 2018 20:16:50 +0000 (21:16 +0100)]
cmd: nvedit: Get rid of the env lookup
The nvedit command is the only user of env_driver_lookup_default outside of
the environment code itself, and it uses it only to print the environment
it's about to save to during env save.
As we're about to rework the environment to be able to handle multiple
environment sources, we might not have an idea of what environment backend
is going to be used before trying (and possibly failing for some).
Therefore, it makes sense to remove that message and move it to the
env_save function itself. As a side effect, we also can get rid of the call
to env_driver_lookup_default that is also about to get refactored.
Reviewed-by: Andre Przywara <andre.przywara@arm.com> Reviewed-by: Lukasz Majewski <lukma@denx.de> Reviewed-by: Simon Glass <sjg@chromium.org> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>