This defines a minimum defconfig for each of the two Raspberry Pi 4
variants. One notable difference is that we don't have a embedded dt for
this board given that the fw supplies us with one which we can reuse.
Furthermore, the ram size is not queryable through mbox interface as the
maximum reported size is 1G. The fw patches the dt with the right
memory configuration and uboot uses it as it is. We avoid u-boot
touching this configuration by making sure CONFIG_ARCH_FIXUP_FDT_MEMORY
is deactivated.

Signed-off-by: Andrei Gherzan <andrei@balena.io>
Signed-off-by: Matthias Brugger <mbrugger@suse.com>

On AArch64, kernel images are not self-decompressing and easily exceed
the 8MB limit.

Signed-off-by: Laurent Bonnans <laurent.bonnans@here.com>
Signed-off-by: Matthias Brugger <mbrugger@suse.com>

Function bcm_2835_wait_transfer_complete() is not waiting long enough.
The previous code was claiming to wait for ~1 seconds, but as it depends
on register reads it's time actually varies.
Some cards require wait times of up to ~56 ms to perform
the command 'saveenv' on an EXT4 partition.

Re-implement the loop exit condition to use get_timer() which allows
to specify the wait time in more reliable manner. Set the maximum wait
time to the originally intended 1 second.

Signed-off by: Raul Benet <raul.benet_at_kaptivo.com>
Signed-off-by: Matthias Brugger <mbrugger@suse.com>

Before we can send a message to the mailbox we have to check that there
is space to do so. Therefore we poll the status register. But up to now
the wrong status register, the one of mailbox 0, was checked. Fix this
by polling the status regiser of mailbox 1.

Signed-off-by: Fabian Vogt <fvogt@suse.com>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
[mb: rename registers and update commit message]
Signed-off-by: Matthias Brugger <mbrugger@suse.com>

Signed-off-by: Tom Rini <trini@konsulko.com>

- Assorted minor bugfixes

include/video_logo.h once was created via the tool easylogo and than used
in cpu/mpc8xx/video.c to display Tux. video_logo.h has been replaced by
include/linux_logo.h and is not needed anymore.

Delete the include and the tool,

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>

Found accidentally in omap3_logic, CONFIG_USB_EHCI_OMAP adds some
code size to SPL, so this patch disables it on the am3517-evm to
reduce the code a bit since it's tight for space.

Signed-off-by: Adam Ford <aford173@gmail.com>

The SPI and NAND variants enable DM_GPIO, so this patch enables
DM_GPIO for the NOR / XIP version of the da850-evm.

Signed-off-by: Adam Ford <aford173@gmail.com>

The NAND configuration has had the ethernet missing, so this patch
enables the on-board ethernet interface.

Signed-off-by: Adam Ford <aford173@gmail.com>

Several options are presenting themselves on a various boards
where the options are clearly not used.  (ie, SPL/TPL options
when SPL or TPL are not defined)

This patch is not attempting to be a complete list of items, but
more like low hanging fruit.  In some instances, I wasn't sure
of DM was required, so I simply made them SPL or TPL.

This patch attempts to reduce some of the menuconfig noise
by defining dependencies so they don't appear when not used.

Signed-off-by: Adam Ford <aford173@gmail.com>

Signed-off-by: Samuel Egli <samuel.egli@siemens.com>
Acked-by: Roger Meier <r.meier@siemens.com>
Cc: Heiko Schocher <hs@denx.de>

Update my email address from gmail to my domain.

Signed-off-by: Ricardo Ribalda Delgado <ricardo@ribalda.com>

To address the following warning message:

===================== WARNING ======================
This board does not use CONFIG_DM_USB. Please update
the board to use CONFIG_DM_USB before the v2019.07 release.
Failure to update by the deadline may result in board removal.
See doc/driver-model/MIGRATION.txt for more info.
====================================================

CONFIG_DM_USB is enabled, this resulted in SPL build errors:

drivers/built-in.o: In function 'xhci_dwc3_probe':
u-boot/drivers/usb/host/xhci-dwc3.c:155: undefined reference to 'usb_get_dr_mode'
scripts/Makefile.spl:404: recipe for target 'spl/u-boot-spl' failed
make[1]: *** [spl/u-boot-spl] Error 1
Makefile:1721: recipe for target 'spl/u-boot-spl' failed
make: *** [spl/u-boot-spl] Error 2

Enabling usb common library and usb ethernet drivers in SPL
does the job. Target was compile tested, build was clean.

Signed-off-by: Suniel Mahesh <sunil.m@techveda.org>

When large writes take place I saw a Samsung EVO 970+ return a status
value of 0x13, PRP Offset Invalid.  I tracked this down to the
improper handling of PRP entries.  The blocks the PRP entries are
placed in cannot cross a page boundary and thus should be allocated
on page boundaries.  This is how the Linux kernel driver works.

With this patch, the PRP pool is allocated on a page boundary and
other than the very first allocation, the pool size is a multiple of
the page size.  Each page can hold (4096 / 8) - 1 entries since the
last entry must point to the next page in the pool.

Signed-off-by: Aaron Williams <awilliams@marvell.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

The command "pci bar" and "pci region" display the address and size in
16 characters including "0x", so the command can only display
14 hexadecimal digits if the number of digits in the address and size is
less than 14.

    ID   Base                Size                Width  Type
    ----------------------------------------------------------
     0   0x00000020000000  0x00000000100000  64     MEM   Prefetchable
     1   0xffff000080000000  0x00000000100000  64     MEM   Prefetchable

The 64-bit address and size should be displayed in 18(= 16+2) digits,
so this patch adjusts them.

Cc: Yehuda Yitschak <yehuday@marvell.com>
Cc: Simon Glass <sjg@chromium.org>
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

Some of the USB code is still being built into SPL even when the
SPL menu options have it explicitly disabled for SPL. Unit there is
a better solution, This patch undefines CONFIG_USB_EHCI_OMAP when
building SPL which reduces the code and lets the board boot again.

Fixes: 25e4ff45 ("ARM: omap3_logic: Enable OMAP EHCI support
for SOM-LV Boards")

Signed-off-by: Adam Ford <aford173@gmail.com>

The assigned value NULL is overwritten before being used. Remove the
assignment.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

To support KVM, we need to drop at EL2 and not EL1 before we boot Linux
kernel. This causes issues on platform with VHE and secondaries booting
at EL2 via TF-A PSCI CPU_ON call.

Cc: Ryan Harkin <ryan.harkin@linaro.org>
Cc: Liviu Dudau <liviu.dudau@foss.arm.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: David Feng <fenghua@phytium.com.cn>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>

earlyprintk no longer works on arm64 platforms. Replace it with earlycon
which works fine.

Cc: Ryan Harkin <ryan.harkin@linaro.org>
Cc: Liviu Dudau <liviu.dudau@foss.arm.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Ryan Harkin <ryan.harkin@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>

File was found on specified location. Info about file was read,
but then immediately destroyed using 'free' call. As a result
file size was set to 0, hence fat process didn't read any data.

Premature 'free' call removed. Resources are freed right before
function return. File is read correctly.

Signed-off-by: Martin Vystrcil <martin.vystrcil@m-linux.cz>

The scsi_scan_dev() is looping over the number of uc_plat->max_id.
The number of actual ports a AHCI controller has can be greater than
max_id. Update uc_plat->max_id to make SCSI scan all detected ports.

Signed-off-by: Aiden Park <aiden.park@intel.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

When the pinmux configuration was added, it was accidentally placed into
the omap3_pmx_wkup node  when it should have been placed into the
omap3_pmx_core.  This error was accidentally propagated to U-Boot by
me when I blindly copied the device tree from Linux.

This patch moves the i2c2_pins and i2c3_pins to the correct node
which should eliminate i2c bus errors and timeouts due to the fact
the bootloader uses the save device tree that no longer properly
assigns these pins.

Signed-off-by: Adam Ford <aford173@gmail.com>

Noncached area at present is being initialized to random space after malloc
area. It works in most the cases as it goes to stack area & stack is not
overwriting it being far from it.

Signed-off-by: Vikas Manocha <vikas.manocha@st.com>

When devnum was changed to a local variable in distro_bootcmd we ran
into a problem on TI platforms (confirmed on Beaglebone) as we had been
using 'setenv devnum' there as well and it needs to match the other
usage.

Fixes: 13dd6665 ("distro: not taint environment variables if possible")
[trini: Review other platforms, re-word commit message]
Signed-off-by: Tom Rini <trini@konsulko.com>

- Support SPL and OpenSBI (FW_DYNAMIC firmware) boot.
- Fix qemu kconfig build warning.

- Migrate SYS_SPI_U_BOOT_OFFS, SYS_NAND_USE_FLASH_BBT and ARCH_CPU_INIT
  to Kconfig

When 'make qemu-riscv64_defconfig', there is a build warning:

  board/emulation/qemu-riscv/Kconfig:24:
  warning: config symbol defined without type

Fix it by specifying the config symbol type to 'hex'.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Rick Chen <rick@andestech.com>
Reviewed-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>

The available defconfigs for RISC-V QEMU have changed. We now have
configurations to compile U-Boot to run in supervisor mode and for
U-Boot SPL. Update the QEMU RISC-V documentation to reflect these
changes.

Signed-off-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>

Add two new configurations (qemu-riscv{32,64}_spl_defconfig) with SPL
enabled for RISC-V QEMU. QEMU does not require SPL to run U-Boot. The
configurations are meant to help the development of SPL on RISC-V.

The configurations enable RAM as the only SPL boot device. Images must
be loaded at address 0x80200000. In the default boot flow, U-Boot SPL
starts in machine mode, loads the OpenSBI FW_DYNAMIC firmware and U-Boot
proper from the supplied FIT image, and starts OpenSBI. U-Boot proper is
then started in supervisor mode by OpenSBI.

Signed-off-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>

Now that we have a generic FIT generator script for RISC-V, set it as
the default. To also build the FIT image by default, set the default
build target to "u-boot.itb" if CONFIG_SPL_LOAD_FIT is enabled.

Signed-off-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>

Add a generic FIT generator script for RISC-V to generate images
containing U-Boot, OpenSBI FW_DYNAMIC firmware, and optionally one or
more device trees. The location of the OpenSBI firmware binary can be
specified with the OPENSBI environment variable. By default, it is
assumed to be "fw_dynamic.bin", located in the U-Boot top-level. Device
trees are passed as arguments to the generator script. A separate
configuration entry is created for each device tree.

The load addresses of U-Boot and OpenSBI are parsed from the U-Boot
configuration. They can be overwritten with the UBOOT_LOAD_ADDR and
OPENSBI_LOAD_ADDR environment variables.

The script is based on the i.MX (arch/arm/mach-imx/mkimage_fit_atf.sh)
and Allwinner sunxi (board/sunxi/mksunxi_fit_atf.sh) FIT generator
scripts.

Signed-off-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>

To support relocation of the stack and global data on RISC-V, the
secondary harts must be notified of the change using IPIs. We can reuse
the hart relocation code for this purpose. It uses global data to store
the new stack pointer and global data pointer for the secondary harts.
This means that we cannot update the global data pointer of the main
hart in spl_relocate_stack_gd(), because the secondary harts have not
yet been relocated at this point. It is updated after the secondary
harts have been notified.

Signed-off-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>

U-Boot SPL on the generic RISC-V CPU supports two boot flows, directly
jumping to the image and via OpenSBI firmware. In the first case, both
U-Boot SPL and proper must be compiled to run in the same privilege
mode. Using OpenSBI firmware, U-Boot SPL must be compiled for machine
mode and U-Boot proper for supervisor mode.

To be able to use SPL, boards have to provide a supported SPL boot
device.

Signed-off-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>

RISC-V OpenSBI is an open-source implementation of the RISC-V Supervisor
Binary Interface (SBI) specification. It is required by Linux and U-Boot
running in supervisor mode. This patch adds support for booting via the
OpenSBI FW_DYNAMIC firmware. It supports OpenSBI version 0.4 and higher.

In this configuration, U-Boot SPL starts in machine mode. After loading
OpenSBI and U-Boot proper, it will start OpenSBI. All necessary
parameters are generated by U-Boot SPL and are passed to OpenSBI. U-Boot
proper is started in supervisor mode by OpenSBI. Support for OpenSBI is
enabled with CONFIG_SPL_OPENSBI. An additional configuration entry,
CONFIG_SPL_OPENSBI_LOAD_ADDR, is used to specify the load address of the
OpenSBI firmware binary. It is not used directly in U-Boot and instead
is intended to make the value available to scripts such as FIT
configuration generators.

The header file include/opensbi.h is based on header files from the
OpenSBI project. They are recent, as of commit bae54f764570 ("firmware:
Add fw_dynamic firmware").

Signed-off-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>

U-Boot SPL can be run in a different privilege mode from U-Boot proper.
Add new configuration entries for SPL to allow the run mode to be
configured independently of U-Boot proper.

Extend all uses of the CONFIG_RISCV_SMODE and CONFIG_RISCV_MMODE
configuration symbols to also cover the SPL equivalents. Ensure that
files compatible with only one privilege mode are not included in builds
targeting an incompatible privilege mode.

Signed-off-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>

As part of the SPL FIT boot flow, the device tree is appended to U-Boot
proper. The device tree is used to record information on the loadables
to make them available to the SPL framework and U-Boot proper. Depending
on the U-Boot device tree provider, the FIT image might not include a
device tree. Information on the loadables is missing in this case.

When booting via firmware bundled with the FIT image, U-Boot SPL loads
the firmware binary and U-Boot proper before starting the firmware. The
firmware, in turn, is responsible for starting U-Boot proper.
Information on the memory location of the U-Boot proper loadable must be
available to the SPL framework so that it can be passed to the firmware
binary. To support this use case when no device tree is found in the FIT
image, fall back to the U-Boot device tree in this situation.

At the same time, update the comment to remove the note that the
destination address must be aligned to ARCH_DMA_MINALIGN. Alignment is
only required as an intermediate step when reading external data. This
is automatically handled by spl_fit_append_fdt(). After reading the
external data, it is copied to the specified address, which does not
have to be aligned to ARCH_DMA_MINALIGN.

Signed-off-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>

When building a U-Boot FIT image, the device trees specified by the
board are unconditionally built for inclusion in the FIT image. However,
not all device tree providers, such as CONFIG_OF_PRIOR_STAGE, require a
device tree to be built and bundled with the U-Boot binary. They rely on
other mechanisms to provide the device tree to U-Boot. Compilation on
boards with these device tree providers fails, because they do not
specify a device tree.

Change the makefile rules to conditionally build the device trees if
CONFIG_OF_SEPARATE, CONFIG_OF_EMBED, or CONFIG_OF_HOSTFILE is selected
as device tree provider.

Signed-off-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>

The current preprocessor logic prevents CONFIG_OF_PRIOR_STAGE from being
used in U-Boot SPL. Change the logic to also make it available in U-Boot
SPL.

Signed-off-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>

This converts the following to Kconfig:
   CONFIG_SYS_SPI_U_BOOT_OFFS

Signed-off-by: Hannes Schmelzer <hannes.schmelzer@br-automation.com>
[trini: Expose this for SPL_SPI_SUNXI for now]
Signed-off-by: Tom Rini <trini@konsulko.com>