I continued to try this. But the kernel did not boot up.
I copied the all of “*.dtb” files and kernel Image to SD card at path “/boot/”.
and then configured the “/boot/extlinux/extlinux.conf”
(ref:
https://elinux.org/Jetson/Nano/Upstream
https://docs.nvidia.com/jetson/l4t/index.html#page/Tegra%20Linux%20Driver%20Package%20Development%20Guide%2Fkernel_custom.html%23wwpID0ESHA
)
LABEL customdtb2
MENU LABEL customdtb2 kernel
LINUX /boot/Image2
FDT /boot/tegra210-p3448-0000-p3449-0000-a02.dtb
APPEND root=/dev/mmcblk0p1 rw rootwait
U-boot boot up, I selected the LABEL… I got this messages.
Enter choice: 3
3: customdtb2 kernel
Retrieving file: /boot/initrd
0 bytes read in 86 ms (0 Bytes/s)
Retrieving file: /boot/Image2
33914888 bytes read in 1598 ms (20.2 MiB/s)
append: tegraid=21.1.2.0.0 ddr_die=4096M@2048M section=512M memtype=0 vpr_resize usb_port_owner_info=0 lane_owner_info=0 emc_max_dvfs=0 touch_id=0@63 video=tegrafb no_console_suspend=1 console=ttyS0,115200n8 debug_uartport=lsport,0 earlyprintk=uart8250-32bit,0x70006000 maxcpus=4 usbcore.old_scheme_first=1 lp0_vec=0x1000@0xff780000 core_edp_mv=1075 core_edp_ma=4000 root=/dev/mmcblk0p1 rw rootwait console=ttyS0,115200n8 console=tty0 fbcon=map:0 net.ifnames=0 root=/dev/mmcblk0p1 rw rootwait console=ttyS0,115200n8 console=tty0 fbcon=map:0 net.ifnames=0 rootfstype=ext4 root=/dev/mmcblk0p1 rw rootwait
Retrieving file: /boot/tegra210-p3448-0000-p3449-0000-a02.dtb
200856 bytes read in 97 ms (2 MiB/s)
Flattened Device Tree blob at 82000000
Booting using the fdt blob at 0x82000000
reserving fdt memory region: addr=80000000 size=20000
Using Device Tree in place at 0000000082000000, end 0000000082034097
Starting kernel …
Messages stopped and freeze.
I want README of the pinmux’s spreadsheet…