On 12/2/21 20:32, LEROY Christophe wrote:


Le 02/12/2021 à 20:19, Cédric Le Goater a écrit :
On 12/2/21 20:17, Thomas Huth wrote:
On 02/12/2021 20.14, Cédric Le Goater wrote:
The default addresses to load the kernel, fdt, initrd of AMCC boards
in U-Boot v2015.10 are :

     "kernel_addr_r=1000000\0"
     "fdt_addr_r=1800000\0"
     "ramdisk_addr_r=1900000\0"

The taihu is one of these boards, the ref405ep is not but we don't
have much information on it and both boards have a very similar
address space layout. Change the kernel load address to match U-Boot
expectations and fix loading.

You could additionally mention that U-Boot corrupts the kernel if it
gets loaded to address 0.

True. The first word is overwritten with zeros. I looked for it
in the code but could not find the reason.


Isn't it because U-boot unzips the kernel at address 0 ?

Address 0 is trashed before U-boot loads the kernel.

C.

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