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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. |