[LinuxBIOS] Porting linux bios to MSI ms7250

[George V. Adamov]

Finally RAM is up ), but have another problem:

-------------------------------------------------------------
LinuxBIOS-2.0.0_Fallback Tue Jul 10 16:09:10 UTC 2007 starting...
bist==0 cpus inited
*sysinfo range: [000cf000,000cf730)
bsp_apicid=00
core0 started:
setup_coherent_ht_domain()started ap apicid:  01
start_other_cores()SBLink=00
NC node|link=00
begin msr fid, vid 310c12120c0c0202
end   msr fid, vid 310c120c0c0c020c
mcp55_num:01
ht reset -

LinuxBIOS-2.0.0_Fallback Tue Jul 10 16:09:10 UTC 2007 starting...
bist==0 cpus inited
*sysinfo range: [000cf000,000cf730)
bsp_apicid=00
core0 started:
setup_coherent_ht_domain()started ap apicid:  01
start_other_cores()SBLink=00
NC node|link=00
begin msr fid, vid 310c120c0c0c020c
end   msr fid, vid 310c120c0c0c020c
mcp55_num:01
allow_all_aps_stopfill_mem_ctrlenable_smbus()memreset_setup()sdram_initialize 
- started
Ram1.00
setting up CPU00Ram2.00
sdram_set_spd_registers: starting
activate_spd_rom: nothing needs to be done
DDR2 DIMM FOUND CH0
DDR2 DIMM FOUND CH1
spd_enable_2channels
Enabling dual channel memory
Unbuffered
333Mhz
RAM: 0x00100000 KB
Ram3
\0x09dimm_mask = 00000011
\0x09x4_mask = 00000000
\0x09x16_mask = 00000000
\0x09single_rank_mask = 00000001
\0x09ODC = 00111222
\0x09Addr Timing= 00202220
clock started
Initializing memory:  done
Setting variable MTRR 02, base: 0000MB, range: 0400MB, type WB
DQS Training:RcvrEn:Pass1: 00 CTLRMaxDelay=1a done
DQS Training:DQSPos: 00 done
DQS Training:RcvrEn:Pass2: 00 CTLRMaxDelay=34 done
DQS Training:tsc[00]=000000003f0c3502
DQS Training:tsc[01]=0000000040c5316e
DQS Training:tsc[02]=0000000040c53177
DQS Training:tsc[03]=00000000807d1167
DQS Training:tsc[04]=00000000822ed6d9
Ram4
sdram_initialize - finished
sdram_initialize
/*source must be here... but only 0xff */

dump_mem:
fffe0000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
fffe0010: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
fffe0020: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
fffe0030: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
fffe0040: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
fffe0050: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
fffe0060: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
fffe0070: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
fffe0080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
fffe0090: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
fffe00a0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
fffe00b0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
fffe00c0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
fffe00d0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
fffe00e0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
fffe00f0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
dump_mem:

/*I wrote 0x12345678 to 0x00100000 to test RAM - and it clearly can be 
seen that it is ok*/

00100000: 78 56 34 12 21 43 65 87 89 67 45 23 32 54 76 98
00100010: 24 58 38 59 24 67 49 30 95 07 49 24 33 87 93 99
00100020: 42 56 38 40 45 52 46 38 63 21 43 29 94 78 06 05
00100030: 45 90 34 12 67 34 72 98 34 76 38 12 23 76 58 34
00100040: 00 00 00 00 00 00 00 00 24 29 00 00 00 60 bd fd
00100050: ff ff ff ff ff ff ff ff 00 00 00 08 00 00 00 00
00100060: 00 00 00 00 00 00 00 00 67 23 00 00 00 20 bd ff
00100070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00100080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
00100090: 01 01 01 01 01 01 01 01 c5 fe 01 01 00 f4 fc c1
001000a0: fe fe fe fe fe fe fe fe 00 00 10 fe 12 00 00 10
001000b0: 01 01 01 01 01 01 01 01 c5 fe 01 01 00 fc fc c1
001000c0: 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01
001000d0: fe fe fe fe fe fe fe fe 00 00 00 68 00 00 00 00
001000e0: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
001000f0: 01 01 01 01 01 01 01 01 c5 fe 01 01 00 fc fc d9

12345678v_esp=000ceddc

testx = 5a5a5a5a
Copying data from cache to RAM -- switching to use RAM as stack... G 
versionDone
testx = 5a5a5a5a
Disabling cache as ram now
Clearing initial memory region: Done
Copying LinuxBIOS to RAM. -AMD
src=fffe0000
dst=00100000
dump_mem:
fffe0000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
fffe0010: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
fffe0020: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
fffe0030: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
fffe0040: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
fffe0050: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
fffe0060: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
fffe0070: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
fffe0080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
fffe0090: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
fffe00a0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
fffe00b0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
fffe00c0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
fffe00d0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
fffe00e0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
fffe00f0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
dump_mem:
/*after it has bee zeroed*/
00100000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00100010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00100020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00100030: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00100040: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00100050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00100060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00100070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00100080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00100090: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
001000a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
001000b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
001000c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
001000d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
001000e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
001000f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

-----------------------------------------------------------------------------------

I opened linuxbios_ram.nrv2b, checked it´s location in linuxbios.rom 
(file I flash to ram), calculated the offset and got 0xfffe0000, so the 
offset seems to be ok, but in the memory only 0xff...
any ideas?

[Peter Stuge]

On Tue, Jul 10, 2007 at 05:29:13PM +0000, George V. Adamov wrote:
> I opened linuxbios_ram.nrv2b, checked it´s location in
> linuxbios.rom (file I flash to ram), calculated the offset and
> got 0xfffe0000, so the offset seems to be ok, but in the memory
> only 0xff...
> any ideas?

It looks just like there is RAM shadowing the flash here..

//Peter