diff options
author | Navin Sankar Velliangiri <navin@linumiz.com> | 2021-05-18 09:03:20 +0530 |
---|---|---|
committer | Stefano Babic <sbabic@denx.de> | 2021-06-09 13:34:18 +0200 |
commit | a3a0bc85c0501c2374966104b8daca6c69101625 (patch) | |
tree | 2e84f239a50fbcf9fa65c80b26399c4dd09d58f2 /board/seeed/npi_imx6ull/README | |
parent | fe133eb192a8a55813a4dc5ec72ecf45ba74f65e (diff) | |
download | u-boot-a3a0bc85c0501c2374966104b8daca6c69101625.tar.gz |
imx: Add SeeedStudio NPI-IMX6ULL Support
CPU: Freescale i.MX6ULL rev1.1 792 MHz (running at 396 MHz)
CPU: Industrial temperature grade (-40C to 105C) at 49C
Reset cause: POR
Model: Seeed NPi iMX6ULL Dev Board with NAND
Board: Seeed NPi i.MX6ULL Dev Board
DRAM: 512 MiB
NAND: 512 MiB
MMC: FSL_SDHC: 0
In: serial@2020000
Out: serial@2020000
Err: serial@2020000
Net: FEC0
Working:
- Eth0
- MMC/SD
- NAND
- UART 1
- USB host
Signed-off-by: Navin Sankar Velliangiri <navin@linumiz.com>
Note:
Changes in v2:
* removed unnecessary space in imx6ull-seeed-npi-imx6ull-dev-board.dts file.
* Used SZ_2M for CONFIG_SYS_MALLOC_LEN size allocation.
Diffstat (limited to 'board/seeed/npi_imx6ull/README')
-rw-r--r-- | board/seeed/npi_imx6ull/README | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/board/seeed/npi_imx6ull/README b/board/seeed/npi_imx6ull/README new file mode 100644 index 0000000000..01d218a9bc --- /dev/null +++ b/board/seeed/npi_imx6ull/README @@ -0,0 +1,61 @@ +How to use U-BOOT on SeeedStudio NPI-IMX6ULL Single Board Computer +------------------------------------------------------------------ + +- Configure and build U-Boot for NPI-IMX6ULL: + + $ export ARCH=arm + $ export CROSS_COMPILE=arm-none-linux-gnueabihf- + $ make seeed_npi_imx6ull_defconfig + $ make + +This will generate SPL and u-boot-dtb.img images. + +Boot from MMC/SD: +- The SPL and u-boot-dtb.img images need to be flashed into the micro SD card: + + $ sudo dd if=SPL of=/dev/mmcblk0 bs=1k seek=1; sync + $ sudo dd if=u-boot-dtb.img of=/dev/mmcblk0 bs=1k seek=69; sync + +- Boot mode settings: + + Boot switch position: SW1 -> 0 + SW2 -> 1 + SW3 -> 0 + SW4 -> 0 + SW5 -> 1 + SW6 -> 0 + SW7 -> 0 + SW8 -> 1 + +Boot from NAND: +- Boot the board using SD/MMC or Serial download and load the SPL into memory +either from SD/MMC or TFTP. + +Default MTD layout is 512k(spl),1m(uboot),1m(uboot-dup),-(ubi) + +Flash SPL to NAND from SD/MMC, + + $ ext4load mmc 0:2 $loadaddr SPL + $ nand erase.part spl + $ nandbcb init $loadaddr 0x0 $filesize + +Flash u-boot image to NAND from SD/MMC, + + $ ext4load mmc 0:2 $loadaddr u-boot-dtb.img + $ nand erase.part uboot + $ nand write $loadaddr uboot $filesize + +- Boot mode settings: + + Boot switch position: SW1 -> 0 + SW2 -> 1 + SW3 -> 1 + SW4 -> 0 + SW5 -> 0 + SW6 -> 1 + SW7 -> 0 + SW8 -> 0 + +- Connect the Serial cable to UART0 and the PC for the console. + +- Reset the board using reset button and U-Boot should boot from NAND. |