[U-Boot] [PATCH 1/8] ARM: PSCI: Update psci.h for psci v0.2 -- CORRECTION

Albert ARIBAUD albert.u.boot at aribaud.net
Sat Nov 8 09:11:25 CET 2014


Hello Albert,

On Sat, 8 Nov 2014 08:43:16 +0100, Albert ARIBAUD
<albert.u.boot at aribaud.net> wrote:
> Hello Arnab,
> 
> On Thu, 28 Aug 2014 01:59:54 +0530, Arnab Basu
> <arnab.basu at freescale.com> wrote:
> > Signed-off-by: Arnab Basu <arnab.basu at freescale.com>
> > Reviewed-by: Bhupesh Sharma <bhupesh.sharma at freescale.com>
> > Cc: Marc Zyngier <marc.zyngier at arm.com>
> > ---
> >  arch/arm/include/asm/psci.h |   42 +++++++++++++++++++++++++++++++++++++++++-
> >  1 files changed, 41 insertions(+), 1 deletions(-)
> > 
> > diff --git a/arch/arm/include/asm/psci.h b/arch/arm/include/asm/psci.h
> > index 704b4b0..68579cd 100644
> > --- a/arch/arm/include/asm/psci.h
> > +++ b/arch/arm/include/asm/psci.h
> > @@ -2,6 +2,10 @@
> >   * Copyright (C) 2013 - ARM Ltd
> >   * Author: Marc Zyngier <marc.zyngier at arm.com>
> >   *
> > + * Copyright (C) 2014 - Freescale Semiconductor Ltd
> > + * Author: Arnab Basu <arnab.basu at freescale.com>
> > + *	   updated file for PSCI v0.2
> > + *
> >   * This program is free software; you can redistribute it and/or modify
> >   * it under the terms of the GNU General Public License version 2 as
> >   * published by the Free Software Foundation.
> > @@ -18,7 +22,7 @@
> >  #ifndef __ARM_PSCI_H__
> >  #define __ARM_PSCI_H__
> >  
> > -/* PSCI interface */
> > +/* PSCI v0.1 interface */
> >  #define ARM_PSCI_FN_BASE		0x95c1ba5e
> >  #define ARM_PSCI_FN(n)			(ARM_PSCI_FN_BASE + (n))
> >  
> > @@ -27,9 +31,45 @@
> >  #define ARM_PSCI_FN_CPU_ON		ARM_PSCI_FN(2)
> >  #define ARM_PSCI_FN_MIGRATE		ARM_PSCI_FN(3)
> >  
> > +/* PSCI v0.2 interface */
> > +#define PSCI_0_2_FN_BASE		0x84000000
> > +#define PSCI_0_2_FN(n)			(PSCI_0_2_FN_BASE + (n))
> > +#define PSCI_0_2_64BIT			0x40000000
> > +#define PSCI_0_2_FN64_BASE		\
> > +				(PSCI_0_2_FN_BASE + PSCI_0_2_64BIT)
> > +#define PSCI_0_2_FN64(n)		(PSCI_0_2_FN64_BASE + (n))
> > +
> > +#define PSCI_0_2_FN_PSCI_VERSION	PSCI_0_2_FN(0)
> > +#define PSCI_0_2_FN_CPU_SUSPEND		PSCI_0_2_FN(1)
> > +#define PSCI_0_2_FN_CPU_OFF		PSCI_0_2_FN(2)
> > +#define PSCI_0_2_FN_CPU_ON		PSCI_0_2_FN(3)
> > +#define PSCI_0_2_FN_AFFINITY_INFO	PSCI_0_2_FN(4)
> > +#define PSCI_0_2_FN_MIGRATE		PSCI_0_2_FN(5)
> > +#define PSCI_0_2_FN_MIGRATE_INFO_TYPE	PSCI_0_2_FN(6)
> > +#define PSCI_0_2_FN_MIGRATE_INFO_UP_CPU	PSCI_0_2_FN(7)
> > +#define PSCI_0_2_FN_SYSTEM_OFF		PSCI_0_2_FN(8)
> > +#define PSCI_0_2_FN_SYSTEM_RESET	PSCI_0_2_FN(9)
> > +
> > +#define PSCI_0_2_FN64_CPU_SUSPEND		PSCI_0_2_FN64(1)
> > +#define PSCI_0_2_FN64_CPU_ON			PSCI_0_2_FN64(3)
> > +#define PSCI_0_2_FN64_AFFINITY_INFO		PSCI_0_2_FN64(4)
> > +#define PSCI_0_2_FN64_MIGRATE			PSCI_0_2_FN64(5)
> > +#define PSCI_0_2_FN64_MIGRATE_INFO_UP_CPU	PSCI_0_2_FN64(7)
> > +
> > +
> > +/*
> > + * Only PSCI return values such as: SUCCESS, NOT_SUPPORTED,
> > + * INVALID_PARAMS, and DENIED defined below are applicable
> > + * to PSCI v0.1.
> > + */
> >  #define ARM_PSCI_RET_SUCCESS		0
> >  #define ARM_PSCI_RET_NI			(-1)
> >  #define ARM_PSCI_RET_INVAL		(-2)
> >  #define ARM_PSCI_RET_DENIED		(-3)
> > +#define PSCI_RET_ALREADY_ON		(-4)
> > +#define PSCI_RET_ON_PENDING		(-5)
> > +#define PSCI_RET_INTERNAL_FAILURE	(-6)
> > +#define PSCI_RET_NOT_PRESENT		(-7)
> > +#define PSCI_RET_DISABLED		(-8)
> >  
> >  #endif /* __ARM_PSCI_H__ */
> > -- 
> > 1.7.7.4
> 
> Applied, with apologies for the delay. This patch will appear in
> 2015.01.

Drat -- I'd forgotten Arnab had hinted on possibly modifying patches
from the series, and I assumed this one would not. Un-applied for now.

> Amicalement,
> -- 
> Albert.

Amicalement,
-- 
Albert.


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