[U-Boot] [PATCH v2 16/19] arm: socfpga: Enhance Intel SoCFPGA program header to support Arria 10

Chee, Tien Fong tien.fong.chee at intel.com
Wed Sep 27 03:30:04 UTC 2017


On Sel, 2017-09-26 at 12:37 +0200, Marek Vasut wrote:
> On 09/26/2017 06:42 AM, Chee, Tien Fong wrote:
> > 
> > On Isn, 2017-09-25 at 11:23 +0200, Marek Vasut wrote:
> > > 
> > > On 09/25/2017 10:40 AM, tien.fong.chee at intel.com wrote:
> > > > 
> > > > 
> > > > From: Tien Fong Chee <tien.fong.chee at intel.com>
> > > > 
> > > > Enhance preloader header with both additional program length
> > > > and
> > > > program
> > > > entry offset attributes, which offset is relative to the start
> > > > of
> > > > program
> > > > header.
> > > > 
> > > > Signed-off-by: Tien Fong Chee <tien.fong.chee at intel.com>
> > > > ---
> > > >  arch/arm/mach-socfpga/include/mach/boot0.h | 11 +++++++++--
> > > >  1 file changed, 9 insertions(+), 2 deletions(-)
> > > > 
> > > > diff --git a/arch/arm/mach-socfpga/include/mach/boot0.h
> > > > b/arch/arm/mach-socfpga/include/mach/boot0.h
> > > > index 22d9e7f..33c9368 100644
> > > > --- a/arch/arm/mach-socfpga/include/mach/boot0.h
> > > > +++ b/arch/arm/mach-socfpga/include/mach/boot0.h
> > > > @@ -11,8 +11,15 @@
> > > >  	.balignl 64,0xf33db33f;
> > > >  
> > > >  	.word	0x1337c0d3;	/* SoCFPGA preloader
> > > > validation word */
> > > > -	.word	0xc01df00d;	/* Version, flags,
> > > > length
> > > > */
> > > > -	.word	0xcafec0d3;	/* Checksum, zero-pad
> > > > */
> > > > +	.word	0xc01df00d; /* Header
> > > > length(2B),flags(1B),version(1B) */
> > > > +#ifndef CONFIG_TARGET_SOCFPGA_GEN5
> > > > +	.word	0xfeedface; /* Program length(4B) */
> > > Keep this indent intact, then it won't generate these crappy -
> > > entries.
> > > 
> > Are you saying to keep the comment indent intact, and allign with
> > 1st
> > comment  /* SoCFPGA preloader validation word */ ?
> Just look at the diff and make sure that it only changes the relevant
> parts, not extras due to indent changes.
> 
Not get you, which particular change is due to indent changes only?
Some changes are for re-writing more descriptive comment. And some new
adding header attributes to support Arria 10.
> > 
> > > 
> > > > 
> > > > 
> > > > +	.word	0xf00dcafe; /*
> > > > +			     * Program entry
> > > > offset(4B),relative
> > > > to
> > > > +			     * the start of program header
> > > > +			     */
> > > > +#endif
> > > > +	.word	0xcafec0d3;	/* Simple
> > > > checksum(2B),spare offset(2B) */
> > > >  	nop;
> > > >  
> > > >  	b reset;		/* SoCFPGA jumps here */
> > > > 
> 


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