[coreboot] smi handler support for fsp baytrail

jstkf2012 at 126.com jstkf2012 at 126.com
Mon Jun 9 08:58:36 CEST 2014


Hi Jiming,
    It's ok with configure MrcInitTsegSize = 8M.I can boot ubuntu and windows now ! But when I set MrcInitTsegSize = 8M, anthoer issue happened:we can't find mrc.cache which will cause a restart again in fspinit api when I restart the system(pci reset).


Thanks,
Tank
EXT:8051
 
From: Sun, Jiming
Date: 2014-06-07 00:15
To: jstkf2012 at 126.com; coreboot
CC: martin.roth; rminnich
Subject: RE: [coreboot] smi handler support for fsp baytrail
Hi, Tank,
 
It might be the TSEG size configuration.    
 
In devicetree.cb:     
    register "MrcInitTsegSize"      = "TSEG_SIZE_DEFAULT"
 
By default  TSEG_SIZE_DEFAULT is 0.   It needs to be set to none 0, such as 8  (TSEG_SIZE_8_MB).
 
Let us know if this helps.
 
Jiming
 
 
From: jstkf2012 at 126.com [mailto:jstkf2012 at 126.com] 
Sent: Thursday, June 05, 2014 11:48 PM
To: coreboot
Cc: martin.roth; rminnich
Subject: [coreboot] smi handler support for fsp baytrail
 
Hi all,
 
    What about the smi support for fsp baytrail?When I select HAVE_SMI_HANDLER for fsp baytrail,it will halt at:
    ERROR: Could not find FSP HOB pointer in CBFS! 
    POST: 0x79 
    POST: 0x9c 
    ACPI: Writing ACPI tables at f0000. 
    ACPI: * FACS @ 000f0210 Length 40ACPI: * DSDT @ 000f0250 Length 2a89SCI is IRQ9 
    ACPI: added table 1/32, length now 40 
    ACPI: * FADT @ 000f2ce0 Length f4ACPI: added table 2/32, length now 44 
    ACPI: * HPET @ 000f2de0 Length 38 
    ACPI: added table 3/32, length now 48 
    ACPI: * MADT @ 000f2e20 Length 6c 
    ACPI: added table 4/32, length now 52 
    ACPI: * MCFG @ 000f2e90 Length 3c 
    ACPI: Could not find CBMEM GNVS 
    ACPI: Patching up global NVS in DSDT at offset 0x009f -> 000f2ed0
 
 
Thanks,
Tank
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