[U-Boot-Users] Standalone hello_world, data abort error on ARM926 (AP)

[Leonid]

I have built big standalone application for similar CPU (at92rm9200). I
use some RAM address to do so, namely LOAD_ADDR=0x21000000. 

See my make rules below.

########################################################################
#
$(ELF): $(OBJS)
                $(LD) -g $(EX_LDFLAGS) -Ttext $(LOAD_ADDR) \
                        -o $@ -e $(notdir $(<:.o=)) $^ $(TOPDIR)/$(LIB)
\
                        -L$(gcclibdir) -lgcc

$(SREC): $(ELF)
                $(OBJCOPY) -O srec $< $@ 2>/dev/null

$(BIN): $(ELF)
                $(OBJCOPY) -O binary $< $@ 2>/dev/null
                cp -f $@ $(AKA_IMAGES_DIR)

System.map:     $(ELF)
        @$(NM) $< | \
        grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw]
\)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
        sort > System.map

 

-----Original Message-----
From: u-boot-users-bounces at lists.sourceforge.net
[mailto:u-boot-users-bounces at lists.sourceforge.net] On Behalf Of iismail
Sent: Wednesday, January 30, 2008 7:00 PM
To: u-boot-users at lists.sourceforge.net
Subject: [U-Boot-Users] Standalone hello_world, data abort error on
ARM926 (AP)


Hi all,

I am having problem running the "hello_world" examples that comes with
u-boot on ARM926 board.

Board: ARM926 (AB) application baseboard
Tools: CodeSourcery (arm-none-linux-gnueabi-)

I manage to build u-boot successfully as follow
	1. make versatileab_config CROSS_COMPILE=arm-none-linux-gnueabi-
	2. make all CROSS_COMPILE=arm-none-linux-gnueabi-
Then i flash "u-boot.bin" into the board memory.

Then i load and run the standalone program "hello_world.bin" as follow

VersatileAB # tftp 0xc100000 hello_world.bin
Using MAC Address 00:02:F7:00:10:31
TFTP from server 192.168.1.105; our IP address is 192.168.1.109
Filename 'hello_world.bin'.
Load address: 0xc100000
Loading: #
done
Bytes transferred = 506 (1fa hex)
VersatileAB # go 0xc100000
## Starting application at 0x0C100000 ...
undefined instruction
pc : [<0c100004>]          lr : [<01005d3c>]
sp : 00fddb88  ip : ffffffff     fp : 00000000
r10: 00000000  r9 : 00000000     r8 : 00fddfdc
r7 : 00fddcb0  r6 : 00000002     r5 : 00fddea8  r4 : 0c100000
r3 : 00000000  r2 : 101f1018     r1 : 00fddea8  r0 : 00000001
Flags: nZCv  IRQs off  FIQs off  Mode SVC_32
Resetting CPU ...

ARM Versatile/AB926EJ-S Boot Monitor
Version:    V2.0.2
Build Date: Apr 12 2005
Endian:     Little
> 

I notice the load address 0xc100000 is pointing to reserve area
according to
User Guide Manual from ARM

Reserved (MPMC Chip Select 1, dynamic expansion memory on
Versatile/PB926EJ-S)	-	-	0x08000000- 0x0FFFFFFF	128MB


Any idea?

Thanks
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26-%28AP%29-tp15197260p15197260.html
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