Thank you. Indeed, the problem was with JP7 (BMS).
I attach the script for the Lauterbach Trace32 debugger for the AT91SAM9260-EK, because it may be useful for someone.
Code:
; Lauterbach script for AT91SAM9260-EK by Evidence Srl
; http://www.evidence.eu.com
local &linux
&linux="uImage"
local &filesystem
&filesystem="filesystem.jffs2"
local &uboot
&uboot="u-boot.bin"
local &bootstrap
&bootstrap="at91bootstrap_dataflash_at91sam9260ek.bin"
local &uInstallScript
&uInstallScript="uInstallScript"
winclear
screen.on
winpos 77. 37. 93. 11. 2. 0.
area
winpos 0. 0. 70. 25. 2. 0.
plist
winpos 77. 0. 93. 31. 2. 0.
pedit
screen.always
term.method com /dev/ttyS0 115200. 8. NONE 1STOP
term.mode VT100
term.scroll on
winpos 0. 31. 70. 17. 2. 0
term
print "system down..."
system.down
system.reset
; hardware setup
; setup of ICD
print "initializing ICD..."
sys.JTAGCLOCK RTCK
System.cpu AT91SAM9260
print "starting JTAG..."
SYStem.Option DACR ON ; give Debugger global write permissions
SYStem.Option ResBreak OFF ; hardware dependent (see manual)
SYStem.Option WaitReset ON ; hardware dependent (see manual)
SYStem.Option BigEndian OFF ; this demo is in little endian
TrOnchip.Set DABORT OFF ; used by Linux for page miss!
TrOnchip.Set PABORT OFF ; used by Linux for page miss!
TrOnchip.Set UNDEF OFF ; my be used by Linux for FPU detection
SYStem.Option MMU ON ; enable space ids to virtual addresses
SETUP.IMASKASM OFF ; lock interrupts while single stepping
print "system up..."
SYStem.Up
; Load Image
print "Loading bootstrap"
d.load.auto &bootstrap 0x200000 /VERIFY ; load the image that will be executed
print "Starting PC register to bootstrap"
r.s pc 0x200000
print "Starting bootstrap"
go
print "Waiting 10 seconds"
wait 10.s
print "Stopping execution"
break
; Load Image
print "Loading U-Boot"
d.load.auto &uboot 0x20100000 /VERIFY ; running u-boot
print "Loading uInstallScript"
d.load.auto &uInstallScript 0x20200000 /VERIFY
print "Loading U-Boot"
d.load.auto &uboot 0x20300000 /VERIFY ; flashed u-boot
print "Loading Linux kernel"
d.load.auto &linux 0x20400000 /VERIFY
print "Loading filesystem"
d.load.auto &filesystem 0x20600000 /VERIFY
print "Setting PC register to U-Boot"
r.s pc 0x20100000
print "Running U-Boot"
go
wait 20.s
wait 2.s
term.out 0xa
wait 500.ms
term.out "autoscr 0x20200000"
wait 500.ms
term.out 0xa