Verification of op tee running from secure DDR - nodeax/optee_os GitHub Wiki

root@sama5d2-xplained-sd:~# devmem2 0×30000000
/dev/mem opened.Unhandled fault: external abort on non-linefetch (0×1008) at 0xb6f14000
pgd = d4448000
[b6f14000] *pgd=3444c831, *pte=30000303, *ppte=30000a33

Memory mapped at address 0xb6f14000.
Bus error
root@sama5d2-xplained-sd:~# devmem2 0×30700000
/dev/mem opened.Unhandled fault: external abort on non-linefetch (0×1008) at 0xb6ff2000
pgd = d4538000
[b6ff2000] *pgd=3441c831, *pte=30700303, *ppte=30700a33

Memory mapped at address 0xb6ff2000.
Bus error
root@sama5d2-xplained-sd:~# devmem2 0×30800000
/dev/mem opened.
Memory mapped at address 0xb6fac000.
Read at address 0×30800000 (0xb6fac000): 0xE07BFB7F