| Commit message (Collapse) | Author | Age | Files | Lines |
|---|
| |
|
|
|
|
|
|
|
|
|
| |
Document the steps required to flash the barebox image to a QSPI NOR
flash. This can be helpful if the user-space wants to update the QSPI
NOR barebox image. These steps can be skipped if barebox is updated by
the qspi bbu-handler.
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Link: https://lore.barebox.org/20230228-v2023-02-0-topic-flexspi-v2-23-3d33126d2434@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
|
| |
|
|
|
|
|
|
|
|
|
|
|
| |
The barebox i.MX images have a preamble that pads the i.MX header to
the offset expected by the BootROM. This allows writing barebox images
directly to offset 0 on SD-Cards and eMMC user area. For some i.MX8M,
these images can't be directly written to eMMC boot partitions and
instead require special handling. Add a note about this to the
documentation.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Link: https://lore.barebox.org/20230217132140.2240388-1-a.fatoum@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
|
| |
|
|
|
|
|
|
|
|
| |
The directory created by extracting firmware-imx-8.12.bin is called
firmware-imx-8.12, not firmware-imx-8.0.
Fixes: 35d4cf996034 ("ARM: i.MX8MN: add i.MX8MN-EVK support")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.barebox.org/20220608103654.118355-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
|
|
|
With driver support in place, we can now build and run barebox in the
i.MX8MN. Following tested working:
- Setting up DDR4 SDRAM
- Booting from SD-Card
- Booting from eMMC
- Updating barebox in SD-Card/eMMC boot partition
- USB Fastboot, ACM gadgets
- UART
- Early I2C with bd71837
- Ethernet
- Loading and communicating with TF-A
The resulting image supports both DDR4 and LPDDR4. They use different
PMICs, so probing the i2c addresses of them indicates what DRAM type
to setup. I have only tested this on a DDR4 EVK, but the LPDDR4 code
is equivalent to what's already used in barebox with i.MX8M Mini
and Plus, so it should work(tm).
Notably missing:
- boot from USB SDP doesn't work. early debug_ll doesn't indicate
that barebox PBL was actually entered.
This can follow later though.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Link: https://lore.barebox.org/20211001100949.6891-9-a.fatoum@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
|
