[edk2-devel] [PATCH edk2-platforms 3/5] Platform/Secure96Dxe: redefine LS connector CS as platform property

[Ard Biesheuvel]

On Wed, 29 May 2019 at 15:06, Leif Lindholm <leif.lindholm at linaro.org> wrote:
>
> On Wed, May 29, 2019 at 02:50:19PM +0200, Ard Biesheuvel wrote:
> > As opposed to the Secure96's I2C peripherals, whose bus addresses are
> > properties of the peripherals themselves, the SPI CS address of the
> > TPM is a property of the platform that incorporates the LS connector.
> >
> > So tweak the macros that emit the CS values and related properties
> > to put it under the control of the platform that incorporates the
> > driver.
> >
> > Signed-off-by: Ard Biesheuvel <ard.biesheuvel at linaro.org>
> > ---
> >  Platform/96Boards/Secure96Dxe/Secure96.dts |  2 +-
> >  Platform/96Boards/Secure96Dxe/Secure96.h   | 11 ++++++++---
> >  2 files changed, 9 insertions(+), 4 deletions(-)
> >
> > diff --git a/Platform/96Boards/Secure96Dxe/Secure96.dts b/Platform/96Boards/Secure96Dxe/Secure96.dts
> > index d066fcb1933c..0d7d9b3900a4 100644
> > --- a/Platform/96Boards/Secure96Dxe/Secure96.dts
> > +++ b/Platform/96Boards/Secure96Dxe/Secure96.dts
> > @@ -39,7 +39,7 @@
> >          __overlay__ {
> >              INFINEON_SLB9670_DT_NODENAME {
> >                  compatible = "infineon,slb9670";
> > -                reg = <INFINEON_SLB9670_SPI_CS>;
> > +                reg = <SECURE96_SPI0_CS>;
> >                  spi-max-frequency = <22500000>;
> >              };
> >          };
> > diff --git a/Platform/96Boards/Secure96Dxe/Secure96.h b/Platform/96Boards/Secure96Dxe/Secure96.h
> > index c34fc5eea046..1d8bf4159209 100644
> > --- a/Platform/96Boards/Secure96Dxe/Secure96.h
> > +++ b/Platform/96Boards/Secure96Dxe/Secure96.h
> > @@ -1,6 +1,6 @@
> >  /** @file
> >
> > -  Copyright (c) 2018, Linaro, Ltd. All rights reserved.<BR>
> > +  Copyright (c) 2018-2019, Linaro, Ltd. All rights reserved.<BR>
> >
> >    SPDX-License-Identifier: BSD-2-Clause-Patent
> >  **/
> > @@ -8,14 +8,19 @@
> >  #ifndef _SECURE96_H_
> >  #define _SECURE96_H_
> >
> > +#define __CONCAT(a,b)                   a ## b
> > +
>
> Urgh. We badly need to properly add some official macros for this.
> You could possibly use __CONCATENATE from Base.h.
>

OK, I'll use that instead.

> For new macros, we really should avoid leading _.
>

True.

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