[coreboot] Atom platform porting problem.

Scott.Hsiao scott.hsiao at quanmax.com
Mon Nov 30 09:29:59 CET 2009


I am porting coreboot to a Intel Atom based mainboard which incorperate atom
(N270) + 945GSE + it8718f.
The initial progress of north bridge seems okay but I got error in the
"dev_initialize" function.
Here are the partial output:
....
Initializing devices...
Root Device init
APIC_CLUSTER: 0 init
malloc Enter, size 91, free_mem_ptr 0013b998
malloc 0013b998
start_eip=0x0000a000, offset=0x00100000, code_size=0x0000005b
Initializing SMM handler... ... pmbase = 0x0500
 
SMI_STS: PM1
PM1_STS: WAK PWRBTN TMROF
GPE0_STS:
TCO_STS:
  ... raise SMI#
Initializing CPU #0
CPU: vendor Intel device 106c2
CPU: family 06, model 1c, stepping 02
Using generic cpu ops (good)
Enabling cache
microcode_info: sig = 0x000106c2 pf=0x00000004 rev = 0x00000000
CPU: Intel(R) Core(TM) CPU N270   @ 1.60GHz.
 
Setting fixed MTRRs(0-88) Type: UC
Setting fixed MTRRs(0-16) Type: WB
Setting fixed MTRRs(24-88) Type: WB
DONE fixed MTRRs
call enable_fixed_mtrr()
Setting variable MTRR 0, base:    0MB, range:  512MB, type WB
ADDRESS_MASK_HIGH=0xf
Unexpected Exception: 13 @ 10:001025e9 - Halting
Code: 0 eflags: 00010002
eax: e0000800 ebx: 0000000f ecx: 00000201 edx: 0000000f
edi: e0000000 esi: 00000000 ebp: 0000000f esp: 00139df4
 
Please help to debug.
Thanks,
Scott Hsiao
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