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.
Signed-off-by: NAlexander Graf <agraf@suse.de>

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.
Signed-off-by: NAlexander Graf <agraf@suse.de>

Setting config options using headers is deprecated. This patch converts
the BCM2835 Mini-UART to Kconfig.
Signed-off-by: NAlexander Graf <agraf@suse.de>

We want to use Kconfig logic to depend on whether pl01x devices
are built in, so let's convert their inclusion selection to Kconfig.

This round goes to pl01x.
Signed-off-by: NAlexander Graf <agraf@suse.de>

We want to use Kconfig logic to depend on whether pl01x devices
are built in, so let's convert their inclusion selection to Kconfig.

This round goes to pl011.
Signed-off-by: NAlexander Graf <agraf@suse.de>

We want to use Kconfig logic to depend on whether pl01x devices
are built in, so let's convert their inclusion selection to Kconfig.

This round goes to pl010.
Signed-off-by: NAlexander Graf <agraf@suse.de>

The fdtdec API is deprecated, convert the pl010 and pl011 devices to
use the dev_read API instead.
Signed-off-by: NAlexander Graf <agraf@suse.de>

The bcm283x mini-uart is only really usable as U-Boot serial output
when it is muxed to the UART pins of the RPi pin header.

So fail probing in case it is not muxed correctly, as in that case
firmware did not initialize it properly either.
Signed-off-by: NAlexander Graf <agraf@suse.de>

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.
Signed-off-by: NAlexander Graf <agraf@suse.de>

The fdtdec API got deprecated in favor of dev_read calls.
Use those instead.
Signed-off-by: NAlexander Graf <agraf@suse.de>

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.
Signed-off-by: NAlexander Graf <agraf@suse.de>

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.
Signed-off-by: NAlexander Graf <agraf@suse.de>

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.
Signed-off-by: NAlexander Graf <agraf@suse.de>

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: NAlexander Graf <agraf@suse.de>
Reviewed-by: NSimon Glass <sjg@chromium.org>

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: NFaiz Abbas <faiz_abbas@ti.com>
Reviewed-by: NLokesh Vutla <lokeshvutla@ti.com>

This patch adds support for the PDU001 board.
Signed-off-by: NFelix Brack <fb@ltec.ch>
Reviewed-by: NTom Rini <trini@konsulko.com>

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.
Signed-off-by: NAlexander Graf <agraf@suse.de>

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.
Signed-off-by: NAlexander Graf <agraf@suse.de>

CONFIG_WALNUT was dropped in June 2017 in:
commit 98f705c9 ("powerpc: remove 4xx support")

While at it, the related CONFIG_MACH_SPECIFIC and the have_of
and _machine variables are unused as well, so drop them too.
Signed-off-by: NTuomas Tynkkynen <tuomas@tuxera.com>

libfdt_env.h is supposed to provide system-dependent defines.

scripts/dtc/libfdt/libfdt_env.h from upstream DTC is suitable
for user-space, so we should use this for USE_HOSTCC case.

For compiling U-Boot, we need to override such system-dependent
defines, so use <linux/libfdt_env.h> imported from Linux.

<libfdt.h> selects a proper one.  Maybe, we should split header
inclusion completely, but I do not want too many patches at one.

I can rip off the include/libfdt_env.h from HOST_EXTRACFLAGS.
Signed-off-by: NMasahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: NSimon Glass <sjg@chromium.org>

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 .
Signed-off-by: NMasahiro Yamada <yamada.masahiro@socionext.com>

libfdt_env.h exists to contain system-dependent defines:

  - typedef of fdt*_t
  - fdt*_to_cpu(), cpu_to_fdt*

working_fdt and FDT_RAMDISK_OVERHEAD are unrelated to the environment,
so they must get out of this header.
Signed-off-by: NMasahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: NSimon Glass <sjg@chromium.org>

Several host-tools use "bool" type without including <stdbool.h>.
This relies on the crappy header inclusion chain.

tools/Makefile has the following line:

  HOST_EXTRACFLAGS += -include $(srctree)/include/libfdt_env.h \

All host-tools are forced to include libfdt_env.h even if they are
totally unrelated to FDT.  Then, <stdbool.h> is indirectly included
as follows:

     include/libfdt_env.h
  -> include/linux/types.h
  -> <stdbool.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: NMasahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: NJoe Hershberger <joe.hershberger@ni.com>
Reviewed-by: NSimon Glass <sjg@chromium.org>

I do not remember why, but this is apparently a file-copy mistake.
The file name is libfdt.h, but its content is that of libfdt_env.h

Re-import it from upstream Linux.
Signed-off-by: NMasahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: NSimon Glass <sjg@chromium.org>

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: NMasahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: NSimon Glass <sjg@chromium.org>

All of these host tools are apparently written for Python2,
not Python3.

Use 'python2' in the shebang line according to PEP 394
(https://www.python.org/dev/peps/pep-0394/).
Signed-off-by: NMasahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: NSimon Glass <sjg@chromium.org>

The omap3_evm board does not boot when commit:
    a47ca2cf ("ARM: omap3: evm: Add kernel image loading from UBIFS and EXT4")
is applied after commit:
    3dde8f20 ("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

[MMC(0:1)/extlinux/extlinux.conf]
---8<-------------------------------------------------------------------
default omap3-evm-mmc-fat
label omap3-evm-mmc-fat
	kernel /zImage
	fdt /omap3-evm.dtb
	append console=ttyO0,115200n8 root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait
---8<-------------------------------------------------------------------

[MMC(0:2)/boot/extlinux/extlinux.conf]
---8<-------------------------------------------------------------------
default omap3-evm-mmc-ext4
label omap3-evm-mmc-ext4
	kernel /boot/zImage
	fdt /boot/omap3-evm.dtb
	append console=ttyO0,115200n8 root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait
---8<-------------------------------------------------------------------

[NAND(ubi0:rootfs)/boot/extlinux/extlinux.conf]
---8<-------------------------------------------------------------------
default omap3-evm-nand-ubifs
label omap3-evm-nand-ubifs
	kernel /boot/zImage
	fdt /boot/omap3-evm.dtb
	append console=ttyO0,115200n8 root=ubi0:rootfs rw ubi.mtd=rootfs noinitrd rootfstype=ubifs rootwait
---8<-------------------------------------------------------------------

Fixes: a47ca2cf ("ARM: omap3: evm: Add kernel image loading from UBIFS and EXT4")
Signed-off-by: NDerald D. Woods <woods.technical@gmail.com>

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:

	bootubipart=<some_ubi_partition_name>
	bootubivol=<some_ubi_volume_name>

EXAMPLE:

[include/configs/some_board.h]
---8<-------------------------------------------------------------------
[...]
	#include <config_distro_defaults.h>

	#define MEM_LAYOUT_ENV_SETTINGS \
		DEFAULT_LINUX_BOOT_ENV

	#define BOOT_TARGET_DEVICES(func) \
		func(UBIFS, ubifs, 0)

	#include <config_distro_bootcmd.h>
[...]
	#define CONFIG_EXTRA_ENV_SETTINGS \
		MEM_LAYOUT_ENV_SETTINGS \
		"bootubivol=rootfs\0" \
		"bootubipart=rootfs\0" \
		BOOTENV
[...]
---8<-------------------------------------------------------------------
Signed-off-by: NDerald D. Woods <woods.technical@gmail.com>

SPL and TPL may not always need spl_board_init() at the same time.
Signed-off-by: NKever Yang <kever.yang@rock-chips.com>
Reviewed-by: NPhilipp Tomsich <philipp.tomsich@theobroma-systems.com>

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: NAlberto Sánchez Molero <alsamolero@gmail.com>
Tested-by: NRobert Nelson <robertcnelson@gmail.com>

PLLSAIP divider uses 2 bits (bits 16 and 17) into RCC_PLLSAICFGR
register, available combination are :
  00: PLLSAIP = 2
  01: PLLSAIP = 4
  10: PLLSAIP = 6
  11: PLLSAIP = 8

Previously, the divider value was incorrectly set to 6.
Signed-off-by: NPatrice Chotard <patrice.chotard@st.com>

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.
Signed-off-by: NFaiz Abbas <faiz_abbas@ti.com>

Since 7e0ed13f ("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.
Signed-off-by: NFaiz Abbas <faiz_abbas@ti.com>

Remove unused ret from fw_env_flush.
Signed-off-by: NJelle van der Waa <jelle@vdwaa.nl>
Reviewed-by: NSimon Glass <sjg@chromium.org>

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.
Signed-off-by: NPatrice Chotard <patrice.chotard@st.com>

Thanks to 'commit ba1f9667 ("net: designware: add clock support")'
we don't need anymore to setup the STMMAC clock in board.
Signed-off-by: NPatrice Chotard <patrice.chotard@st.com>
Reviewed-by: NVikas Manocha <vikas.manocha@st.com>

Add ETHMAC, ETHMACRX and ETHMACTX clocks for STMMAC.
Signed-off-by: NPatrice Chotard <patrice.chotard@st.com>
Reviewed-by: NVikas Manocha <vikas.manocha@st.com>

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.
Signed-off-by: NBradley Bolen <bradleybolen@gmail.com>

   _ Add gpio compatible and aliases for stm32f469
   _ Add FMC sdram node
   _ Add "u-boot,dm-pre-reloc" for rcc, fmc, fixed-clock, pinctrl,
     pwrcfg and gpio nodes.
Signed-off-by: NPatrice Chotard <patrice.chotard@st.com>

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
Signed-off-by: NPatrice Chotard <patrice.chotard@st.com>