Use variable which points to DEVICE_TREE by default. The reason for this
change is to enable DTB_RESELECT and MULTI_DTB_FIT where board detection
can be used for change DTB at run time. That's why there must be reference
in board_fit_config_name_match() via variable instead of hardcoding it
which is sufficient for that use case.
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

FRU spec expected \0 for unused symbols but unfortunately a lot of boards
are using spaces instead of \0. That's why after saving it to desc->name
name is checked again and all spaces are converted to \0. This will ensure
that names can be used for string manipulations like concatenation.
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

Add print_cpuinfo() to print SoC info like family & revision.
This function depends on CONFIG_DISPLAY_CPUINFO config.
Signed-off-by: NT Karthik Reddy <t.karthik.reddy@xilinx.com>
Reviewed-by: NAshok Reddy Soma <ashok.reddy.soma@xilinx.com>
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

Currently u-boot supports addresses upto 39-bits only. If anybody
wants to use addresses of more than 39-bits in Linux they will have
a separate memory node in DT. In such cases they will have multiple
memory nodes.
Currently u-boot selects and runs on lower memory bank region.
But bootscript is being loaded on dram bank 0, where dram bank 0 will
point to 1st memory node in DT. If first memory node is mentioned as
higher ddr(>39-bits address) then u-boot cannot load the bootscript.
So fix this issue by setting bootscript address within the lower memory
bank region.
Signed-off-by: NT Karthik Reddy <t.karthik.reddy@xilinx.com>
Signed-off-by: NAshok Reddy Soma <ashok.reddy.soma@xilinx.com>
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

Fix bug introduced by commit listed below. It is for cases where Versal or
ZynqMP don't have DDR mapped. Later SPL was also excluded by
commit a672b987 ("xilinx: common: Do not touch
CONFIG_XILINX_OF_BOARD_DTB_ADDR in SPL").

Fixes: 506009fc ("xilinx: common: Change macro handling in board_fdt_blob_setup()")
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

Move this out of the common header and include it only where needed.  In
a number of cases this requires adding "struct udevice;" to avoid adding
another large header or in other cases replacing / adding missing header
files that had been pulled in, very indirectly.   Finally, we have a few
cases where we did not need to include <asm/global_data.h> at all, so
remove that include.
Signed-off-by: NSimon Glass <sjg@chromium.org>
Signed-off-by: NTom Rini <trini@konsulko.com>

This hook is used in full U-Boot that's why there is no reason to touch
this location from SPL. The hook was introduced for QEMU usage but none is
really running SPL on QEMU that's why it shouldn't break any usecase.
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

Remove ifdef logic which is handled by preprocessor and move it link time
optimization to get full compile code coverage.
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

Move board_fit_config_name_match() from Zynq/ZynqMP to common location.
This change will open a way to use it also by Microblaze and Versal.
Through this function there is a way to handle images with multiple DTBs.
For now match it with DEVICE_TREE as is done for Zynq.
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

Call generic board_late_init_xilinx() to be aligned with the rest of xilinx
platforms. Also getting rid of initrd_high/fdt_high and use
bootm_low/boot_size instead.
Reported-by: NTom Rini <trini@konsulko.com>
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

Add ram base address to scriptaddr env variable to make boot
script address to be a valid address when ddr base address changes.

This works properly if the first memory region is the region where uboot
runs. Also the solution was taken in respect of a lot of jtag script
putting u-boot script to certain address. For standard cases
bd->bi_dram[0].start is 0 all the time. Only for systems with DDR placed
out of this location it does calculation.

This is not the best solution and should be done differently in future but
enough for now till we don't have full solution ready yet.
Signed-off-by: NT Karthik Reddy <t.karthik.reddy@xilinx.com>
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

FMC cards are using FRU format for card identification. That's why add
support for this format.
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

Do not call board_late_init_xilinx() when BOARD_LATE_INIT is not enabled.
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

The most of Xilinx evaluation boards have FMC connectors which contain
small eeprom for card identification. That's why read content of eeprom and
record it.
Also generate cardX_ variables for easier script handling.
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

Starts to use new way how eeproms should be referenced.
Reference is done via nvmem alias nodes. When this new way is specified
code itself read the eeprom and decode xilinx legacy format and fill struct
xilinx_board_description. Then based on information present there board_*
variables are setup.
If variables are saved and content can't be changed information is just
shown on console.
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

For SPL flow without specifying address for DT loading DTB is automatically
appended behind U-Boot code. Specifically _end symbol is used. Just behind
it there is place for bss section.
It means if early code is using static variable and there is a write to
this variable DTB file is corrupted if variable is located between DTB
start and end.
In this particular case offset of this variable from bss section start is
very small (0x40) that's why DT is currupted which breaks this boot flow.
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

Linux kernel for arm32 requires dtb and initrd to be placed in low memory
to work properly. This requirement is described in chapter 4b) and 5) in
Linux documentation (Documentation/arm/booting.rst).

There is an issue on arm32 with 2GB of memory that bootm_size is bigger
than Linux lowmem (for example with VMSPLIT_3G). That's why limit bootm
size on these systems not to be above 768MB.
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

env_set..() can failed that's why check return status and report it back to
make sure that user is aware that's something went wrong.
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

When bootm_low/bootm_size are setup properly there is no need to setup any
initrd_high address. Location for initrd is determined through LMB.
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

There is no reason to build private function when
CONFIG_ZYNQ_GEM_I2C_MAC_OFFSET is not defined. There is already weak
function which handles default case properly.
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

On system with PL DDR which is placed before PS DDR in DT
env_get_bootm_size() and env_get_bootm_low() without specifying bootm_low
and bootm_size variables are taking by default gd->bd->bi_dram[0].start and
gd->bd->bi_dram[0].size. As you see 0 means bank 0 which doesn't need to be
PS ddr and even can be memory above 39bit VA which is what U-Boot supports
now.
That's why setup bootm variables based on ram_base/ram_size setting to make
sure that boot images are placed to the same location as U-Boot is placed.
This location should be by default location where OS can boot from.
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

Move this header out of the common header.
Signed-off-by: NSimon Glass <sjg@chromium.org>

We should not use typedefs in U-Boot. They cannot be used as forward
declarations which means that header files must include the full header to
access them.

Drop the typedef and rename the struct to remove the _s suffix which is
now not useful.

This requires quite a few header-file additions.
Signed-off-by: NSimon Glass <sjg@chromium.org>

Moving to common location initrd_high is also setup for Zynq which hasn't
done in run time code.
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

This function should keep common shared late configurations for Xilinx
SoCs.
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

If DDR is not mapped do not touch it. Default
XILINX_OF_BOARD_DTB_ADDR is pointing to DDR.
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

This function is actually intended to read a string rather than a
property. All of its current callers use it that way. Also there is no way
to return the length of the property from this function.

Rename it to better indicate its purpose, using ofnode_read as the prefix
since this matches most other functions.

Also add some tests which are missing for these functions.
Signed-off-by: NSimon Glass <sjg@chromium.org>

OF_BOARD and OF_SEPARATE can use board specific board_fdt_blob_setup().

OF_BOARD option is mostly used for picking up DTB from certain location.

OF_SEPARATE option is used when DTB is appended after u-boot binary.

This board specific function is aligned with current version in
lib/fdtdec.c with checking CONFIG_XILINX_OF_BOARD_DTB_ADDR address first.
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

The reason for this change is just get in sync with board_fdt_blob_setup()
available at lib/fdtdec.c.
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

Modify the configuration naming to be generic to xilinx rather than
specific to Versal. The offset value is different for Zynq and ZynqMP
to avoid overlapping with FSBL.
Signed-off-by: NIbai Erkiaga <ibai.erkiaga-elorza@xilinx.com>
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

Move the exisiting function of getting board dtb from versal to a common
Xilinx folder.
Signed-off-by: NIbai Erkiaga <ibai.erkiaga-elorza@xilinx.com>
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

All platforms are converted to DM_I2C that's why there is no reason to
keep this code here.
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>
Reviewed-by: NHeiko Schocher <hs@denx.de>

It is much easier to point to eeprom which stores information like MAC
address directly via DT. eeprom which contains this information is
pointed by /chosen/xlnx,eeprom parameter.

For example:
        chosen {
                bootargs = "earlycon";
                stdout-path = "serial0:115200n8";
+               xlnx,eeprom = &eeprom;
        };
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

Zynq and ZynqMP are sharing similar code and there is no reason to do
code duplication. Move zynq_board_read_rom_ethaddr() to common file for
easier conversion to DM.
Use ZynqMP version that's why also add CONFIG_ZYNQ_EEPROM_BUS to Syzygy
which is only one Zynq board which is using this feature.
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>