AnsweredAssumed Answered

Where to find boot and kernel load address

Question asked by Asma Alekar on Jun 30, 2019
Latest reply on Jul 2, 2019 by Asma Alekar

Hello All,

As i am trying to understand boot process. where can I get information of all the load address and boot address for imx7 sabresd board. for example :

 

where can I get info that I have  to load:

Kernel image @ 0x80800000 

Ramdisk from Legacy Image at 83800000 

Flattened Device Tree blob at 83000000
Booting using the fdt blob at 0x83000000
Using Device Tree in place at 83000000, end 8300e745

 

U-Boot 2017.03-imx_v2017.03_4.9.11_1.0.0_ga+ga2fea67 (Sep 17 2017 - 14:41:37 -0500)

CPU: Freescale i.MX7D rev1.2 996 MHz (running at 792 MHz)
CPU: Commercial temperature grade (0C to 95C) at 35C
Reset cause: POR
Model: Freescale i.MX7D SabreSD Board
Board: i.MX7D SABRESD RevA in secure mode
DRAM: 1 GiB
PMIC: PFUZE3000 DEV_ID=0x30 REV_ID=0x11
MMC: FSL_SDHC: 0, FSL_SDHC: 1
*** Warning - bad CRC, using default environment

Display: TFT43AB (480x272)
Video: 480x272x24
In: serial
Out: serial
Err: serial
switch to partitions #0, OK
mmc0 is current device
Net:
Warning: ethernet@30be0000 using MAC address from ROM
eth0: ethernet@30be0000 [PRIME]
Warning: ethernet@30bf0000 using MAC address from ROM
, eth1: ethernet@30bf0000
Boot from USB for mfgtools
Use default environment for mfgtools
Run bootcmd_mfg: run mfgtool_args;bootz ${loadaddr} ${initrd_addr} ${fdt_addr};
Hit any key to stop autoboot: 0
Kernel image @ 0x80800000 [ 0x000000 - 0x5bd9c8 ]
## Loading init Ramdisk from Legacy Image at 83800000 ...
Image Name: fsl-image-mfgtool-initramfs-imx6
Image Type: ARM Linux RAMDisk Image (gzip compressed)
Data Size: 8594034 Bytes = 8.2 MiB
Load Address: 00000000
Entry Point: 00000000
Verifying Checksum ... OK
## Flattened Device Tree blob at 83000000
Booting using the fdt blob at 0x83000000
Using Device Tree in place at 83000000, end 8300e745

 

 

Do I get this info from Reference Manuals or any other manuals, Can you please point me out the name of the manual and chapter number?

 

Regards,

Asma

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