This platform enables CONFIG_BOARD_EARLY_INIT_F and then has a
do-nothing board_early_init_f function. Change to not enabling the
option and so not needing an empty function.

Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>

Remove DECLARE_GLOBAL_DATA_PTR from files where gd is not used, and
drop the unnecessary inclusion of asm/global_data.h.

Headers should be included directly by the files that need them,
rather than indirectly via global_data.h.

Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com> #STMicroelectronics boards and STM32MP1 ram test driver
Tested-by: Anshul Dalal <anshuld@ti.com> #TI boards
Acked-by: Yao Zi <me@ziyao.cc> #TH1520
Signed-off-by: Peng Fan <peng.fan@nxp.com>

This adds support for the Kontron Electronics OSM-S i.MX93 SoM
and the matching baseboard BL i.MX93.

The SoM hardware complies to the Open Standard Module (OSM) 1.1
specification, size S (https://sget.org/standards/osm).

Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>

This adds support for the Kontron Electronics OSM-S i.MX8MP SoM
and the matching baseboard BL i.MX8MP.

The SoM hardware complies to the Open Standard Module (OSM) 1.1
specification, size S (https://sget.org/standards/osm).

Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>

The factory provides a CPU UID in the OTPs and the SoM module
and the carrier board might provide additional UIDs in the GP
registers of the OTPs. Load these values in the following order
and create a serial number string:

* Board UID (GP2)
* SoM UID (GP1)
* CPU UID (UNIQUE_ID)

The string is stored in the "serial#" env variable and
exported to Linux. Further this prints the used UID to the
console which looks like this

  ID:    0042152331 (Board)

or:

  ID:    0030124840 (SoM)

or:

  ID:    4696668CD9516886 (CPU)

Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>

The factory provides a CPU UID in the OTPs and the SoM module
and the carrier board might provide additional UIDs in the GP
registers of the OTPs. Load these values in the following order
and create a serial number string:

* Board UID (GP2)
* SoM UID (GP1)
* CPU UID (UNIQUE_ID)

The string is stored in the "serial#" env variable and
exported to Linux. Further this prints the used UID to the
console which looks like this

  ID:    0042152331 (Board)

or:

  ID:    0030124840 (SoM)

or:

  ID:    4696668CD9516886 (CPU)

Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>

The factory provides a CPU UID in the OTPs and the SoM module
and the carrier board might provide additional UIDs in the GP
registers of the OTPs.

Provide a common function to load UIDs from arbitrary OTP
registers and generate a serial number string that is saved
in the "serial#" env variable.

Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>

This allows to print user-friendly names for the boot device
probed by SPL to the console.

Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>

The image offset on SD/MMC devices is 33 KiB, except for eMMC boot if
fastboot is enabled. In this case it is 1 KiB. In order to make the
the bootloader universal, check the fastboot OTP boot fuse and adjust
the offset.

Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>

Enable CONFIG_ENV_IS_NOWHERE and force default environment when SoC
boots from serial loader. In this case the U-Boot environment cannot
be stored to flash with the 'saveenv' command.

This makes serial loader boot completely independent from any
environment stored in flash.

Signed-off-by: Eberhard Stoll <eberhard.stoll@kontron.de>
Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>