Signed-off-by: Guo Ren
---
arch/csky/abiv1/cacheflush.c | 50
arch/csky/abiv1/inc/abi/cacheflush.h | 41 +++
arch/csky/abiv1/inc/abi/tlb.h | 11 ++
arch/csky/abiv2/cacheflush.c | 54 +
arch/csky/abiv2/inc/abi/cacheflush.h | 38 ++
arch/csk
On Wed, Sep 5, 2018 at 2:08 PM Guo Ren wrote:
> diff --git a/arch/csky/include/asm/io.h b/arch/csky/include/asm/io.h
> new file mode 100644
> index 000..fcb2142
> --- /dev/null
> +++ b/arch/csky/include/asm/io.h
> @@ -0,0 +1,23 @@
> +// SPDX-License-Identifier: GPL-2.0
> +// Copyright (C) 201
On Thu, Sep 06, 2018 at 04:31:16PM +0200, Arnd Bergmann wrote:
> On Wed, Sep 5, 2018 at 2:08 PM Guo Ren wrote:
>
> > diff --git a/arch/csky/include/asm/io.h b/arch/csky/include/asm/io.h
> > new file mode 100644
> > index 000..fcb2142
> > --- /dev/null
> > +++ b/arch/csky/include/asm/io.h
> >
On Fri, Sep 7, 2018 at 5:04 AM Guo Ren wrote:
>
> On Thu, Sep 06, 2018 at 04:31:16PM +0200, Arnd Bergmann wrote:
> > On Wed, Sep 5, 2018 at 2:08 PM Guo Ren wrote:
> >
> > Can you describe how C-Sky hardware implements MMIO?
> Our mmio is uncachable and strong-order address, so there is no need
>
On Fri, Sep 07, 2018 at 10:14:38AM +0200, Arnd Bergmann wrote:
> On Fri, Sep 7, 2018 at 5:04 AM Guo Ren wrote:
> >
> > On Thu, Sep 06, 2018 at 04:31:16PM +0200, Arnd Bergmann wrote:
> > > On Wed, Sep 5, 2018 at 2:08 PM Guo Ren wrote:
> > >
> > > Can you describe how C-Sky hardware implements MMIO
On Fri, Sep 7, 2018 at 2:55 PM Guo Ren wrote:
>
> On Fri, Sep 07, 2018 at 10:14:38AM +0200, Arnd Bergmann wrote:
> > On Fri, Sep 7, 2018 at 5:04 AM Guo Ren wrote:
> > > On Thu, Sep 06, 2018 at 04:31:16PM +0200, Arnd Bergmann wrote:
> > Similarly, an MMIO read may be used to see if a DMA has compl
On Fri, Sep 07, 2018 at 04:13:35PM +0200, Arnd Bergmann wrote:
> On Fri, Sep 7, 2018 at 2:55 PM Guo Ren wrote:
> >
> > On Fri, Sep 07, 2018 at 10:14:38AM +0200, Arnd Bergmann wrote:
> > > On Fri, Sep 7, 2018 at 5:04 AM Guo Ren wrote:
> > > > On Thu, Sep 06, 2018 at 04:31:16PM +0200, Arnd Bergmann
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