Davinci EVM (DM6446) U-Boot

satish kumar

Hi,

Davinci EVM is tested successfully with UBL, U-boot and uImage.

To test Green Hills Integrity Kernel on EVM, i modified the U-boot only by adding (in u-boot-davinci/include/config/davinci_dvevm.h)

#define CONFIG_CMD_ELF

to support ELF images of Integrity kernel.

With the modified U-boot and Integrity Kernel has halted with the following log statements. where may be the problem?

DM644x initialization passed!
TI UBL Version: 1.50
Booting Catalog Boot Loader
BootMode = NAND
Starting NAND Copy...
Valid magicnum, 0xA1ACED66, found in block 0x00000006.
   DONE
Jumping to entry point at 0x81080000.

U-Boot 2012.04.01 (Feb 25 2015 - 00:35:59)

I2C:   ready
DRAM: 256 MiB
WARNING: Caches not enabled
NAND: 64 MiB
Bad block table found at page 131040, version 0x01
Bad block table found at page 131008, version 0x01
In:    serial
Out:   serial
Err:   serial
Net:   DaVinci-EMAC
U-Boot > tftp 0x80700000 Test20_kernel
Using DaVinci-EMAC device
TFTP from server 192.168.2.4; our IP address is 192.168.2.3
Filename 'Test20_kernel'.
Load address: 0x80700000
Loading: *####################################
done
Bytes transferred = 524420 (80084 hex)
U-Boot > bootelf
## Starting application at 0x800000d0 ...
Error determining config location in flash

Kernel................................................INTEGRITY v5.0.9
BSP.........................................

please guide us in resolving the issue.

regards,

Satish.

over 9 years ago

0 Ivan Matrakov over 9 years ago

TI__Expert 4475 points

Moving to the Davinci DM64 forum

0 Titusrathinaraj Stalin over 9 years ago

TI__Guru** 116100 points

Hi Sathish,

I think, you have loaded "Test20_kernel" in 0x80700000 and run at "0x800000d0"

So, could you try like this.

tftp 0x80700000 Test20_kernel

bootelf 0x80700000

0 idan noti over 9 years ago in reply to Titusrathinaraj Stalin

Prodigy 20 points

Hi,

The run address was set to the same address as the load address in the environment variables. So, the 0x8000000D0 came from the elf itself.

If that helps, the elf header generated by gdump is:

Elf header

e_ident = 7f 45 4c 46 1 1 1 0 0 0 0 0 0 0 0 0

e_ident[EI_CLASS] = ELFCLASS32

e_ident[EI_DATA] = ELFDATA2LSB

e_ident[EI_VERSION] = 1

e_type = ET_EXEC

e_machine = EM_ARM

e_version = 1

e_entry = 0x800000d0

e_phoff = 0x34

e_shoff = 0xa39a4

e_flags = 0x170c00

e_ehsize = 52

e_phentsize = 32

e_phnum = 22

e_shentsize = 40

e_shnum = 51

e_shstrndx = 50

So, the entry point is 0x800000d0.

Should there be a correlation between the elf entry point and the load address?

Thanks,

Idan.

0 idan noti over 9 years ago in reply to idan noti

Prodigy 20 points

Any idea how to approach this problem?

0 Titusrathinaraj Stalin over 9 years ago in reply to idan noti

TI__Guru** 116100 points

How did you generate/create "Test20_kernel" file ?

0 satish kumar over 9 years ago in reply to Titusrathinaraj Stalin

Intellectual 295 points

Hi Titus S,
using MULTI IDE created kernel project for Davinci EVM BSP.

Thanks,
Satish.

0 Titusrathinaraj Stalin over 9 years ago in reply to satish kumar

TI__Guru** 116100 points

Could you please share the procedure that followed by you to reproduce at my end.

0 Manju Krishna over 8 years ago in reply to Titusrathinaraj Stalin

Prodigy 15 points

Hi ,
i'm facing the exact same problem which is faced by satish. Can anyone guide me to solve this issue ?

Thanks & Regards,
Manjukrishna S

0 Titusrathinaraj Stalin over 8 years ago in reply to Manju Krishna

TI__Guru** 116100 points

Dear Manjukrishna,
Please create a new post still if you face this problem.

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Davinci EVM (DM6446) U-Boot