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openwrt/target/linux/layerscape/README
Biwen Li 328530c6e7 layerscape: add LS1021AIOT board support 
The LS1021A-IoT gateway reference design based on the
QorIQ LS1021A processor is a purpose-built, small
footprint hardware platform with a wide array of
high-speed connectivity and low-speed serial interfaces
to support secure delivery of IoT services for home,
business or other commercial location.

- Combines standards-based, open source software with a
  feature-rich IoT gateway design to establish a common,
  open framework for secured IoT service delivery and
  management.

- Provides a wide assortment of high-speed and serial-based
  connectivity in a compact, highly secure design.

- High efficiency through the use of the Arm-based QorIQ
  LS1021A embedded processor.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: Biwen Li <biwen.li@nxp.com>
2018-12-18 20:17:23 +01:00

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Layerscape Quick Start
1. Layerscape target support
----------------------------
* ARMv8 64-bit
LS1012ARDB LS1012AFRWY LS1043ARDB LS1046ARDB LS1088ARDB LS2088ARDB
(SD card boot support on LS1043ARDB/LS1046ARDB/LS1088ARDB)
* ARMv8 32-bit
LS1012ARDB LS1012AFRWY LS1043ARDB LS1046ARDB
* ARMv7
LS1021ATWR LS1021AIOT
(SD card boot support on LS1021ATWR/LS1021AIOT)
2. Build
--------
Before configuration and build, update and install package feeds.
$ ./scripts/feeds update -a
$ ./scripts/feeds install -a
* make menuconfig
Target System: "NXP Layerscape"
Subtarget: (Select subtarget)
Target Profile: (Select device, or "Multiple devices")
Target Devices: (Select devices. Available when Target Profile is "Multiple devices")
Target Images: (Disable "GZip images" if don't want to unzip manually to use the images.)
Note: The first time make menuconfig would create a .config file which
would include all dependencies for selected target. After that, make
menuconfig still could be used to modify packages. If want to change
other target, please remove .config and make menuconfig to select again.
Otherwise the packages selected in .config would be a mess.
* make download (or make download -j<n>)
* make (or make -j<n>)
* Final firmware/image
Path: bin/targets/layerscape/<subtarget>/
Firmware for flash: openwrt-layerscape-<subtarget>-<device>-<rootfs>-firmware.bin
Image for SD card: openwrt-layerscape-<subtarget>-<device>-<rootfs>-sdcard.img
3. Program NOR/QSPI flash or SD card
------------------------------------
The firmware.bin or sdcard.img is an all-in-one image including all things for
OpenWrt staring up. (except LS1012AFRWY. Refer to 3.3.)
If you want to install all things into flash, please use firmware.bin.
If you want to install all things into SD card, please use sdcard.img.
3.1 Program sdcard.img to SD card
---------------------------------
sdcard.img could be programmed to SD card in either u-boot environment
or linux environment. After programming, configure the board to boot
from SD card.
* u-boot environment
=> tftp a0000000 <image_name>-sdcard.img
=> mmc write a0000000 0 a0000
Note: The default sdcard.img size is 320MB. a0000 is the block number for 320MB.
blk_num = filesize / 512.
* linux environment
$ dd if=./<image_name>-sdcard.img of=/dev/mmcblkx
Note: Need to check the SD card device name to replace "mmcblkx".
3.2 Program firmware.bin to flash
---------------------------------
* LS1012ARDB (QSPI flash)
Start up from bank1, and program firmware to bank2 with below commands.
Switch to bank2 to start up OpenWrt.
=> tftp a0000000 <firmware_name>-firmware.bin
=> i2c mw 0x24 0x7 0xfc;i2c mw 0x24 0x3 0xf5
=> sf probe 0:0
=> sf erase 0 +$filesize
=> sf write a0000000 0 $filesize
=> reset
* LS1043ARDB (NOR flash)
Start up from bank0, and program firmware to bank4 with below commands.
Switch to bank4 to start up OpenWrt.
=> tftp a0000000 <firmware_name>-firmware.bin
=> protect off all
=> erase 64000000 +$filesize
=> cp.b a0000000 64000000 $filesize
=> cpld reset altbank
* LS1046ARDB (QSPI flash)
Start up from bank1, and program firmware to bank2 with below commands.
Switch to bank2 to start up OpenWrt.
=> tftp a0000000 <firmware_name>-firmware.bin
=> sf probe 0:1
=> sf erase 0 +$filesize
=> sf write a0000000 0 $filesize
=> cpld reset altbank
* LS1088ARDB (QSPI flash)
Start up from bank0, and program firmware to bank1 with below commands.
Switch to bank1 to start up OpenWrt.
=> tftp a0000000 <firmware_name>-firmware.bin
=> sf probe 0:1
=> sf erase 0 +$filesize
=> sf write a0000000 0 $filesize
=> qix altbank
Note: old version u-boot of ls1088ardb may use below commands to switch to
bank1 instead of 'qix altbank'.
=> i2c mw 66 50 20;i2c mw 66 10 20;i2c mw 66 10 21
* LS2088ARDB (NOR flash)
Start up from bank0, and program firmware to bank4 with below commands.
Switch to bank4 to start up OpenWrt.
=> tftp a0000000 <firmware_name>-firmware.bin
=> protect off all
=> erase 584000000 +$filesize
=> cp.b a0000000 584000000 $filesize
=> qix altbank
3.3 Program LS1012AFRWY
-----------------------
* LS1012AFRWY (QSPI flash + SD card)
LS1012AFRWY only supports 2MB QSPI flash. We have to put u-boot, and
some firmwares on QSPI flash, and kernel/dtb/rootfs on SD card.
So both firmware.bin and sdcard.img are needed for OpenWrt starting up.
To program sdcard.img, please use linux command described in 3.1 on a
linux machine.
To program firmware.bin, start up board from QSPI flash, and program
firmware with below commands. Reset to start up OpenWrt. (LS1012AFRWY
supports only one bank.)
=> tftp 96000000 <firmware_name>-firmware.bin
=> sf probe 0:0
=> sf erase 0 +$filesize
=> sf write 96000000 0 $filesize
=> reset
4. Known issues and limitation
------------------------------
* u-boot may fail to read MAC addresses from EEPROM on some boards and there
won't be MAC addresses set in environment. This may cause kernel fails to
probe these network interfaces. The workaround is to set MAC addresses
manually, for example,
=> setenv ethaddr 00:04:9F:04:65:4b
=> setenv eth1addr 00:04:9F:04:65:4c
5. Other references
-------------------
- NXP LSDK site: https://lsdk.github.io/
- OpenWrt documentation: https://openwrt.org/docs/start
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