The serial number is located at offset 0x14 of the EEPROM
under i2c0 bus at address 0x54.
To print the serial number in Linux:
SERNUM=$(cat /proc/device-tree/serial-number)
echo $SERNUM
Signed-off-by: Fabio Estevam <festevam@denx.de>
Currently, the DDR type is retrieved by iteracting inside an array
of possible DDR types.
This may take saveral attempts, which slows the overall U-Boot process
and does not provide a good user experience:
U-Boot SPL 2021.07 (Feb 28 2022 - 06:39:32 +0000)
DDRINFO: Cfg attempt: [ 1/6 ]
DDRINFO(M): mr5-8 [ 0xff000010 ]
DDRINFO(T): mr5-8 [ 0x5000010 ]
resetting ...
U-Boot SPL 2021.07 (Feb 28 2022 - 06:39:32 +0000)
DDRINFO: Cfg attempt: [ 2/6 ]
DDRINFO(M): mr5-8 [ 0xff000010 ]
DDRINFO(T): mr5-8 [ 0x1061010 ]
resetting ...
U-Boot SPL 2021.07 (Feb 28 2022 - 06:39:32 +0000)
DDRINFO: Cfg attempt: [ 3/6 ]
DDRINFO(M): mr5-8 [ 0xff000010 ]
DDRINFO(T): mr5-8 [ 0xff000010 ]
Normal Boot
WDT: Not starting
Trying to boot from MMC2
NOTICE: BL31: v2.5(release):v2.5
NOTICE: BL31: Built : 07:12:44, Jan 24 2022
Improve the boot time by retrieving the correct DDR information from
the EEPROM:
U-Boot SPL 2022.04-rc4-00045-g6d02bc40d58c (Mar 19 2022 - 08:22:29 -0300)
DDRINFO(D): Kingston 4096G
DDRINFO(M): mr5-8 [ 0xff000010 ]
DDRINFO(E): mr5-8 [ 0xff000010 ]
Normal Boot
WDT: Started watchdog@30280000 with servicing (60s timeout)
Trying to boot from MMC2
NOTICE: BL31: v2.5(release):v2.5
NOTICE: BL31: Built : 22:28:11, Mar 15 2022
Based on the original code from Compulab's U-Boot.
Tested on a imx8mm-cl-iot-gate board populated with 4GB of RAM.
Signed-off-by: Fabio Estevam <festevam@denx.de>
imx8mm-cl-iot-gate supports multiple DDR sizes and models.
The DDR type can be retrieved from the EEPROM, so add SPL code
that can be used to get the DDR information.
Based on the original code from Compulab's U-Boot.
Signed-off-by: Fabio Estevam <festevam@denx.de>
Add driver for the NXP TJA1100 and TJA1101 PHYs. These PHYs are special
BroadRReach 100BaseT1 PHYs used in automotive.
Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Ariel D'Alessandro <ariel.dalessandro@collabora.com>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
This macro currently supports only one parameter. Based on Linux iopoll,
let's extend read_poll_timeout common API to allow multiple variable
parameters.
Signed-off-by: Ariel D'Alessandro <ariel.dalessandro@collabora.com>
This driver supports NXP C45 TJA11XX PHYs, but there're also other NXP
TJA11XX PHYs. Let's rename functions in this driver to be c45 variant
specific, so further drivers can be introduced adding support for NXP
TJA11XX PHYs.
Signed-off-by: Ariel D'Alessandro <ariel.dalessandro@collabora.com>
Add init_nand_clk to enable gpmi nand clock. Since i.MX8M not use CCF,
so we still use legacy mode to configure the clock.
Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
The power/bd71837.h should no longer be included, since V1.1 SoM
uses only the PCA9450 PMIC and the BD71837 support was removed.
Drop the header too.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <festevam@denx.de>
Cc: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Cc: Max Krummenacher <max.krummenacher@toradex.com>
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Separe dm implementation from non dm implementation of pwm-imx
driver using CONFIG_DM_PWM
Signed-off-by: Tommaso Merciai <tommaso.merciai@amarulasolutions.com>
Move pwm_imx_get_parms, pwm_id_to_reg functions into pwm-imx.c
and drop off pwm-imx-util.c
Signed-off-by: Tommaso Merciai <tommaso.merciai@amarulasolutions.com>
Set the BYPASS ID SWAP bit (GPR10 bit 1).
The ID SWAP function randomly make TZASC grant non-secure access to
secure memory. TZASC ID SWAP should be bypassed by setting the bit
TZASC_ID_SWAP_BYPASS(bit 1) in IOMUX_GPR10 register.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Turns out on certain carrier boards (e.g. Iris V2) and under certain
circumstances (e.g. after a software reset) the SD card may have been
left in a strange state which later failed as follows:
Colibri iMX6ULL # mmc dev 0
Card did not respond to voltage select! : -110
Fix this as follows:
- Re-name the signaling voltage rail regulator from vmmc to vqmmc.
- Fix the name of the GPIO property to gpios.
- Specify 4-bit bus width, no write-protect capability and no 1.8
volt signaling voltage capability.
- Fix the clock vs. command pull-up vs. push-pull configuration.
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Now that it is possible to use regulator-fixed-clock make use
of it. This makes U-Boot detect the PHY on first cold-boot.
This commit also adjusts the code in setup_fec and follows
how it is done in mx6ullevk.c
This commit also slows down the boot-process by about 150ms
as it now waits for the regulator-fixed-clock voltage that
drives the PHY to go up.
If you rely on very fast boot-speeds and don't need ethernet
for your boot-process you can safely revert the changes on
imx6ull-colibri.dtsi
Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
This commit adds the possibility to choose the compatible
"regulator-fixed-clock" in devicetree.
This is a special case of regulator-fixed where a clock has to
be used to switch the regulator on and off.
Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Toradex uses the variable variant to distinguish between modules with
eMMC, NAND with wifi and NAND without wifi.
This variable is set on every boot. Set this variable also if we have a
NAND module without wifi to prevent issues.
Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
U-Boot should never save the environment unasked.
This also avoids storing broken fdt_module to flash.
Signed-off-by: Denys Drozdov <denys.drozdov@toradex.com>
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
U-Boot should never save the environment unasked.
This also avoids storing broken ftd_file to eMMC.
Signed-off-by: Denys Drozdov <denys.drozdov@toradex.com>
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Since we envision using overlays for display interfaces, the video=
settings within vidargs are obsolete. Remove these settings from the
U-Boot.
Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
All the other NAND-based boards have tdxargs specified for setting
manual kernel command-line arguments.
Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Explicitly use the atf-bl31 type for the bl31.bin atf-blob. This uses
the path from the BL31 environment variable, if defined.
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Rename board_early_init_f() to board_early_init(), since this function
has nothing to do with actual board_early_init_f() as used throughout
U-Boot. The board_early_init() is function local to this board used to
configure UART and WDT pinmux. Wrap init_uart_clk() into this function
so that early UART init would be all in one place. Turn the function
into __weak one, so it could be overridden in case custom carrier board
uses different UART or needs custom IOMUX settings.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <festevam@denx.de>
Cc: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Cc: Max Krummenacher <max.krummenacher@toradex.com>
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
The EFI memory init uses gd->ram_top for conventional memory. In
current implementation, the ram_top is below optee address. This cause
grub failed to allocation memory for initrd.
The change updates DDR bank setup functions to place the u-boot at top
DDR in 4GB space.
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Need to drop phy-reset-gpios before booting linux, this property
is legacy property and replaced with reset-gpios.
If provide both, kernel would failed to request the same gpio twice
and cause fec not work.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
The extcon is an decrepted property and not used by upstream Linux and
NXP 5.10 kernel, so we remove it before kicking linux in case it is in
dts. Otherwise distro kernel will not able to have usb function.
Reviewed-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Beside the fused modules on iMX8MP Lite, this part has also fused
GPU3D/2D, LVDS and MIPI DSI.
So we have to disable them for kernel and also disable MIPI DSI
in u-boot DTS for splash screen at runtime.
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Wait 1ms before issuing the first MRS command to write DDR3 Mode
registers.
There is a requirement to wait a minimum time before issuing command to
the DDR3 device, according to the JEDEC standard this time is 500us
(after RESET_n is de-asserted until CKE becomes active) + tXPR (Reset
CKE Exit time, maximum value 360ns).
It seems that for some reason this is not enforced by the MMDC
controller.
Without this change we experienced random memory initialization failures
with about 2% boot failure rate on specific problematic boards, after
this change we were able to do more than 10.000 power-cycle without a
single failure.
Fixes: fe0f7f7842 ("mx6: add mmdc configuration for MX6Q/MX6DL")
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Reviewed-by: Fabio Estevam <festevam@denx.de>
The current DDR write level calibration routine always overwrite
the ralat/walat fields to their maximum value, just save
the existing values at the beginning of the calibration routine
and restore it at the end.
In case the delay is estimated by the user to be more than one cycle the
walat should be configured according to that, this is not
automatically done. From the i.MX6 RM:
The user should read the results of the associated delay-line at
MPWLDECTRL#[WL_DL_ABS_OFFSET#] and in case the user estimates that the
reasonable delay may be above 1 cycle then the user should indicate it at
MPWLDECTRL#[WL_CYC_DEL#]. Moreover the user should indicate it in
MDMISC[WALAT] field. For example, if the result of the write leveling calibration
is 100/256 parts of a cycle, but the user estimates that the delay is above 2 cycles
then MPWLDECTRL#[WL_CYC_DEL#] should be configured to 2, so the total
delay will be 2 and 100/256 parts of a cycle
Probably it would just possible to not overwrite the mdmisc register in
the first place, since this is not present in the write_level_calib() example
in NXP AN4467 nor in the i.MX6 RM (44.11.6.1 Hardware Write Leveling
Calibration).
Fixes: d339f16911 ("arm: imx6: Add DDR3 calibration code for MX6 Q/D/DL")
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Reviewed-by: Fabio Estevam <festevam@denx.de>
- According to S400 API, the fuse bank 25 (Testconfig2) is able to
access. Add it into driver's mapping table.
- According to FSB words list, the reserved 48 words are ahead of
the bank 5 and bank 6. Fix the wrong position.
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Enable multiple storages for u-boot env:
MMC or SPI flash or NOWHERE for usb
so u-boot can runtime select the storage flash according to boot device.
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
The TEE memory should be reserved when TEE is present, so need
to runtime update dram bank and memory information according to
tee present or not.
Signed-off-by: Ji Luo <ji.luo@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Enable wdog_ad interrupt being triggered by CMC1 to CM33 to let CM33
know A35 reset and reinitialize rpmsg.
Clear wdog_ad and AD_PERIPH reset interrupt after A35 up, otherwise
M33 will always receive interrupt.
Reviewed-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
If M33 handshake is successful, TPM and DSI panel MUX setting is
done by M33, no need to set them.
If handshake is failed or M33 is not booted, continue the TPM
and DSI panel MUX setting
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Biwen Li <biwen.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Update DDR PHY settings to support LPDDR4 mode only by adjusting
DQ VREF ctrl, ODT and pads drive strength.
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
