Hi Mark,
> -Original Message-
> From: Mark Rutland [mailto:mark.rutl...@arm.com]
> Sent: Monday, April 20, 2015 3:48 PM
> To: Siva Durga Prasad Paladugu
> Cc: Michal Simek; u-boot@lists.denx.de; Tom Rini; Varun Sethi; Arnab Basu;
> York Sun
> Subject: Re: [U-Bo
> > > Thanks for explanation.
> > > So in that case, the flushing of the required stack or any other data
> > > which needs to be flushed should be part of board specific. Am I
> > > correct?
> >
> > It could be done in generic code, assuming we know the bounds of memory
> > which will be used, bec
Hi Mark,
> -Original Message-
> From: Mark Rutland [mailto:mark.rutl...@arm.com]
> Sent: Friday, April 17, 2015 3:36 PM
> To: Siva Durga Prasad Paladugu
> Cc: Michal Simek; u-boot@lists.denx.de; Tom Rini; Varun Sethi; Arnab Basu;
> York Sun
> Subject: Re: [U-Bo
> > > Now in the flush_dcache_all we are invoking the actual asm call to
> > > flush dcache which may wipeout the stored return value in stack with
> > > cahe contents(main memory). Hence the return from the flush_dcahe_all
> > > will fail.
> > >
> > > To confirm this I modified the dcache_disable
Wednesday, April 15, 2015 6:41 PM
> > > To: Michal Simek
> > > Cc: u-boot@lists.denx.de; Tom Rini; Siva Durga Prasad Paladugu;
> > > Varun Sethi; Arnab Basu; York Sun
> > > Subject: Re: [U-Boot] [PATCH 1/2] armv8: caches: Disable dcache
> > > aft
denx.de; Tom Rini; Siva Durga Prasad Paladugu; Varun Sethi;
> > Arnab Basu; York Sun
> > Subject: Re: [U-Boot] [PATCH 1/2] armv8: caches: Disable dcache after flush
> >
> > On Wed, Apr 15, 2015 at 12:33:00PM +0100, Michal Simek wrote:
> > > From: Siva Durga Prasad
Hi Mark.
> -Original Message-
> From: Mark Rutland [mailto:mark.rutl...@arm.com]
> Sent: Wednesday, April 15, 2015 6:41 PM
> To: Michal Simek
> Cc: u-boot@lists.denx.de; Tom Rini; Siva Durga Prasad Paladugu; Varun Sethi;
> Arnab Basu; York Sun
> Subject: Re: [U-Bo
On Wed, Apr 15, 2015 at 12:33:00PM +0100, Michal Simek wrote:
> From: Siva Durga Prasad Paladugu
>
> Always disable dcache after the flush operation
> The following sequence is advisable while disabling d-cache:
> 1. disable_dcache() - flushes and disables d-cache
> 2. invalidate_dcache_all() - i
From: Siva Durga Prasad Paladugu
Always disable dcache after the flush operation
The following sequence is advisable while disabling d-cache:
1. disable_dcache() - flushes and disables d-cache
2. invalidate_dcache_all() - invalid any entry that came to the cache
in the short period after the c
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